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  • 专利说明
  • 权利要求
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    • 专利摘要:
    Coverage enhancements and optimizations related to coverage mode switching are discussed for user equipment (s) that can switch between varying coverage length (ce) and non-ce modes of operation. In such improvements, paging uncertainty and delays can be reduced by sending alerts simultaneously or by using historical information through multiple coverage modes available to users. Random access procedures can be improved by providing c mode random access procedures that are available when normal mode random access attempts fail and before declaring radio link failure. Additional aspects include enhancements to more advanced actions to improve coverage in normal mode operations by leveraging techniques used for narrowband ce mode operations, including transmission repetition and gap-free transmission programming over hop narrowband frequencies.
    公开号:BR112019006817A2
    申请号:R112019006817
    申请日:2017-08-08
    公开日:2019-10-08
    发明作者:Rico Alvarino Alberto；Xu Hao；Bhattad Kapil；Kitazoe Masato；Gaal Peter；Sambhwani Sharad
    申请人:Qualcomm Inc；
    IPC主号:
    专利说明:

    IMPROVEMENT OF COVERAGE AND OPTIMIZATION RELATED TO THE CHANGE OF NORMAL MODES
    REMISSIVE REFERENCE TO RELATED APPLICATIONS [001] This application claims the benefit of Indian patent application no. 201641033860, entitled COVERAGE ENHANCEMENT AND NORMAL MODES SWITCHING RELATED OPTIMIZATION, filed on October 4, 2016 and non-provisional US patent application 15 / 670,697, entitled COVERAGE ENHANCEMENT AND NORMAL MODES SWITCHING RELATED OPTIMIZATION, filed on August 7, 2017, disclosures of both are hereby incorporated by reference in their entirety as if fully set out below and for all applicable purposes.
    BACKGROUND
    Field [002] Aspects of the present disclosure refer in general to wireless communication systems and more particularly to coverage improvement and optimization related to switching in normal modes.
    Background [003] Wireless communication networks are widely used to provide various communication services such as voice, video, packet data, messaging, broadcast and the like. These wireless networks can be multiple access networks capable of supporting multiple users by sharing available network resources. An example of such a network is the Universal Terrestrial Radio Access Network (UTRAN). UTRAN is the radio access network (RAN) defined as part of the universal Mobile Telecommunications System (UMTS), a
    Petition 870190032256, of 03/03/2019, p. 8/74
    2/48 mobile phone third-generation (3G) supported by the 3rd generation Society project (3GTT). Examples of multiple access network formats include code division multiple access networks (CDMA), time division multiple access networks (TDMA), frequency division multiple access networks (FDMA), orthogonal FDMA networks (OFDMA) and single-carrier FDMA networks (SCFDMA).
    [004] A wireless communication network can include several base stations or Bs nodes that can support communication to different user equipment (UEs). A UE can communicate with a base station via downlink and uplink. The downlink (or direct link) refers to the communication link from the base station to the UE and the uplink (or reverse link) refers to the communication link from the UE to the base station.
    [005] A base station can transmit control information and data on the downlink to an UE and / or can receive control information and data on the uplink from the UE. In the downlink, a transmission from the base station may encounter interference due to transmissions from neighboring base stations or other wireless radio frequency (RF) transmitters. In the uplink, a transmission from the UE may encounter interference from uplink transmissions from other UEs communicating with neighboring base stations or from other wireless RF transmitters. This interference can degrade performance on both the downlink and uplink.
    [006] As the demand for mobile broadband access continues to increase, the possibilities for
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    3/48 interference and congested networks grow with more UEs accessing long-range wireless communication networks and more short-range wireless systems being deployed in communities. Research and development continues to advance UMTS technologies not only to meet the growing demand for mobile broadband access, but to advance and improve the user experience with mobile communications.
    SUMMARY [007] In one aspect of the disclosure, a wireless communication method includes switching a coverage mode, in a UE in idle mode, between a coverage enhancement mode (CE) and a non-CE mode, and transmitting an indicator UE mode, where the mode indicator identifies the coverage mode in which the UE has switched.
    [008] In an additional aspect of disclosure, a wireless communication method includes detecting, on a base station, a paging opportunity for a UE served by the base station, and transmitting an alert associated with the paging opportunity according to a mode EU CE and non EU CE mode.
    [009] In an additional aspect of disclosure, a wireless communication method includes monitoring by an UE for an alert according to a coverage mode of a plurality of candidate coverage modes accessible to the UE, and initiating communication in response to alert detection.
    [0010] In an additional aspect of the disclosure, a wireless communication method includes detecting, in a UE in idle mode, data for uplink transmission, executing
    Petition 870190032256, of 03/03/2019, p. 10/74
    4/48 a random access procedure according to a non-CE mode, determining a failure of the random access procedure and executing the random access procedure according to a CE mode.
    [0011] In an additional aspect of the disclosure a wireless communication method includes detecting, in a UE in idle mode, data for uplink transmission, performing a random access procedure simultaneously according to a CE mode and a non-CE mode, starting communication according to one between CE mode or non-CE mode in response to the detection of a successful random access procedure in a correspondent between CE mode or non-CE mode, and initiate communication according to non-CE mode in response to detection of successful random access procedure in both CE and non-CE mode.
    [0012] In an additional aspect of the disclosure, a wireless communication method includes detecting, in a UE in idle mode, data for uplink transmission, performing a random access procedure simultaneously in accordance with a CE mode and a non-CE mode, initiate communication according to one between CE mode or non-CE mode in response to the detection of a successful random access procedure in a correspondent between CE mode or non-CE mode, and initiate communication according to non-CE mode in response to the detection of the successful random access procedure in both CE and non-CE mode.
    [0013] In an additional aspect of the disclosure, a wireless communication method includes detecting, in a UE, channel coverage conditions below a predetermined threshold level, signaling, by the UE to a base station in
    Petition 870190032256, of 03/03/2019, p. 11/74
    5/48 service a coverage extension condition, in response to detection and receiving, by the UE in response to signaling the coverage extension condition, repeated copies of transmissions from the base station in service, in which the repeated copies are repeated in a predetermined repetition factor.
    [0014] In an additional aspect of the disclosure, a wireless communication method includes detecting, in a UE, data for uplink transmission, in which the UE is configured for broadband baseband processing, determining, in the UE, conditions of coverage that supports communications in a CE mode, where the CE mode includes narrowband frequency hopping for transmission and transmitting, by the UE, data according to the narrowband frequency hopping, in which the UE transmits the data without a gap between jumping frequencies.
    [0015] In an additional aspect of the disclosure, a wireless communication method includes determining, in an UE, which coverage conditions of the UE support narrowband frequency hopping for transmissions, in which narrowband frequency hopping includes transmission uplink data without a gap between hopped frequencies, and indicate, in response to the determination that the UE is configured with capabilities to support narrowband frequency hopping without a gap.
    [0016] In an additional aspect of the disclosure, a device configured for wireless communication includes a means for switching a coverage mode, in a UE in idle mode, between a CE mode and a non-CE mode, and means for transmitting an indicator of mode from the UE, where the
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    6/48 mode indicator identifies the coverage mode to which the UE has switched.
    [0017] In an additional aspect of the disclosure, a device configured for wireless communication includes a means for detecting, on a base station, a paging opportunity for a UE served by the base station, and a means for transmitting an alert associated with the paging opportunity according to an EU CE mode and a non EU CE mode.
    [0018] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to monitor, by an UE, for an alert according to a coverage mode of a plurality of candidate coverage modes accessible to the UE and means to initiate communication in response to the detection of the alert.
    [0019] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to detect, in a UE at the idle node, data for uplink transmission, a means to perform a random access procedure according to a non-CE mode, means for determining a failure of the random access procedure and means for executing the random access procedure according to a CE mode.
    [0020] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to detect, in a UE in idle mode, data for uplink transmission, a means to perform a random access procedure simultaneously according to a CE mode and a non-CE mode, means to initiate communication according to one between CE or non-CE mode in response to the detection of a successful random access procedure in a
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    7/48 corresponding to: CE mode or non-CE mode, and means to start communication according to non-CE mode in response to the detection of the random access procedure in both CE and non-CE mode.
    [0021] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to detect, in a UE in idle mode, data for uplink transmission, a means to perform a random access procedure simultaneously according to a CE mode and a non-CE mode, means to initiate communication according to one between CE or non-CE mode in response to the detection of a successful random access procedure in a correspondent of: CE or non-CE mode, and medium to initiate communication according to non-CE mode in response to the detection of the successful random access procedure in both CE and non-CE mode.
    [0022] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to detect, in a UE, channel coverage conditions below a predetermined threshold level, a means to signal, by the UE, to a base station in a coverage extension condition, in response to detection, and means to receive, repeatedly transmitted copies from the base station in service, by the UE, in response to the coverage extension condition signaling, in which the repeated copies are repeated at a predetermined repetition factor.
    [0023] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to detect, in a UE, data for transmission
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    8/48 uplink, where the UE is configured for broadband baseband processing, a means of determining, in the UE, coverage conditions that support communication in a CE mode, where the CE mode includes narrowband frequency hopping for transmissions, and means for transmitting data across the narrowband frequency hop across the UE, where the UE transmits data without a gap between hop frequencies.
    [0024] In an additional aspect of the disclosure, a device configured for wireless communication includes a means to determine, in an UE, which coverage conditions of the UE support narrow band frequency hopping for transmissions, in which the band frequency hopping narrow includes uplink data transmission without a gap between hopped frequencies, and means to indicate, in response to the means for determination, that the UE is configured with capabilities to support narrowband frequency hopping without a gap.
    [0025] In an additional aspect of the disclosure, a non-transitory, computer-readable medium is provided with program code recorded on it. The program code also includes code for switching a coverage mode, in a UE in idle mode, between a CE mode and a non-CE mode, and code for transmitting a mode indicator from the UE, where the mode indicator identifies the coverage mode to which the UE has switched.
    [0026] In an additional aspect of the disclosure, a device configured for wireless communication includes code to detect, at a base station, a paging opportunity for a UE served by the base station, and code
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    9/48 to transmit an alert associated with the paging opportunity according to an EC mode of the EU and a non-EC mode of the EU.
    [0027] In an additional aspect of the disclosure, a device configured for wireless communication includes code to monitor, by a UE, against an alert according to a coverage mode of a plurality of candidate coverage modes accessible to the UE , and code to initiate communication in response to the detection of the alert.
    [0028] In an additional aspect of the disclosure, a device configured for wireless communication includes code to detect, in a UE in idle mode, data for uplink transmission, code to perform a random access procedure according to a non-CE mode, code to determine a failure of the random access procedure and code to execute the random access procedure according to a CE mode.
    [0029] In an additional aspect of the disclosure, a device configured for wireless communication includes code to detect, in a UE in idle mode, data for transmission uplink code to perform a random access procedure simultaneously according to a CE mode and a non-CE mode, code to initiate communication according to one of CE or non-CE mode in response to the detection of a successful random access procedure in a correspondent of: CE mode or non-CE mode and code to initiate communication from according to non-CE mode in response to the detection of the successful random access procedure in both CE and non-CE mode.
    [0030] In an additional aspect of the revelation,
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    10/48 a device configured for wireless communication includes code to detect, in a UE in idle mode, data for uplink transmission, code to perform a random access procedure simultaneously in accordance with a CE mode and a non-CE mode, code for initiate communication according to one between CE mode or non-CE mode in response to the detection of a successful random access procedure in a correspondent of: CE mode or non-CE mode, and code to initiate communication according to non-CE mode in response to the detection of the successful random access procedure in both CE and non-CE mode.
    [0031] In an additional aspect of the disclosure, a device configured for wireless communication includes code to detect, in a UE, channel coverage conditions below a predetermined threshold level, code to signal, by the UE, to a base station in a coverage extension condition, in response to detection, and a code to receive, by the UE, in response to the coverage extension condition signaling, repeated copies of transmissions from the base station in service, where the repeated copies are repeated in a predetermined repetition factor.
    [0032] In an additional aspect of the disclosure, a device configured for wireless communication includes code to detect, in a UE, data for uplink transmission, in which the UE is configured for broadband baseband processing, code to determine, in the UE, coverage conditions that support communications in a CE mode, where the CE node includes narrowband frequency hopping for transmissions and code to transmit, at least
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    11/48
    UE, data according to the narrowband frequency hop, where the UE transmits the data without a gap between hopped frequencies.
    [0033] In an additional aspect of the disclosure, a device configured for wireless communication includes code to determine, in an UE, which coverage conditions of the UE support narrow band frequency hopping for transmissions, in which the band frequency hopping debut includes uplink data transmission without a gap between hopped frequencies, and code to indicate, in response to the determination, that the UE is configured with capabilities to support narrowband frequency hopping without a gap.
    [0034] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to switch a coverage mode on a UE in idle mode, between a CE mode and a non-CE mode, and code to transmit a mode indicator from the UE, where the mode indicator identifies the coverage mode to which the UE has switched.
    [0035] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to detect, at a base station, a paging opportunity for a UE served by the base station, and to transmit an alert associated with the paging opportunity according to a CE mode of the UE and a non-CE mode of the
    Petition 870190032256, of 03/03/2019, p. 18/74
    12/48
    HUH .
    [0036] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to monitor, by a UE, for an alert according to a coverage mode of a plurality of candidate coverage modes accessible to the UE, and initiate communication in response to the detection of the alert.
    [0037] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to detect, in a UE in idle mode, data for uplink transmission, to perform a random access procedure according to a non-CE mode, to determine a failure of the random access procedure, and to execute the access procedure random according to a CE mode.
    [0038] In an additional disclosure mode, a device configured for wireless communication is revealed. The device includes at least one processor and a memory attached to the processor. The processor is configured to detect, in a UE in idle mode, data for uplink transmission, to execute a random access procedure simultaneously according to a CE mode and a non-CE mode, to initiate communication according to one between CE mode or non-CE mode in response to the detection of a successful random access procedure in a correspondent of: CE or non-CE mode, and initiate communication accordingly
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    13/48 with non-CE mode in response to the detection of the successful random access procedure in both CE and non-CE mode.
    [0039] In an additional aspect of the disclosure, the device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to detect, in a UE in idle mode, data for uplink transmission, to execute a random access procedure simultaneously according to a CE mode and a non-CE mode, to initiate communication according to one between CE mode or the non-CE mode in response to the detection of a successful random access procedure in a correspondent of: the CE or non-CE mode, and initiate communication according to the non-CE mode in response to the detection of the random access procedure as well successful in both CE and non-CE mode.
    [0040] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to detect, in a UE, channel coverage conditions below a predetermined threshold level, to signal, by the UE, to a base station in service a coverage extension condition, in response to the detection and receive, by the UE, in response to signaling the coverage extension condition, copies of transmissions from the base station in service, in which the repeated copies are repeated at a predetermined repetition factor.
    [0041] In an additional aspect of the revelation,
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    14/48 a device configured for wireless communication is revealed. The apparatus includes at least one processor and a memory coupled to the processor. The processor is configured to detect, in a UE, data for uplink transmission, in which the UE is configured for broadband baseband processing, to determine, in the UE, coverage conditions that support communication in a CE mode, where the CE mode includes narrowband frequency hopping for transmissions, and transmitting data by the UE according to the narrowband frequency hopping, in which the UE transmits the data without a gap between hopped frequencies.
    [0042] In an additional aspect of the disclosure, a device configured for wireless communication is revealed. The device includes at least one processor, and a memory attached to the processor. The processor is configured to determine, in an UE, which coverage conditions of the UE support narrowband frequency hopping for transmissions, where narrowband frequency hopping includes uplink data transmission without a gap between hopping frequencies and indicating in response to the determination, that the UE is configured with capabilities to support narrowband frequency hopping without a gap.
    [0043] The above outlined the characteristics and technical advantages of examples very broadly according to the disclosure, so that the detailed description that follows can be better understood. Additional features and benefits will be described below. The design and specific examples revealed can be readily
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    15/48 used on a basis to modify or design other structures to accomplish the same purposes as the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. Characteristics of the concepts revealed here, both their organization and method of operation, together with associated advantages will be better understood from the following description when considered in connection with the attached figures. Each of the figures is provided for purposes of illustration and description and not as a definition of the limits of the claims.
    BRIEF DESCRIPTION OF THE DRAWINGS [0044] An additional understanding of the nature and advantages of the present disclosure can be made by reference to the following drawings. In the attached figures, components or similar features have the same reference label. In addition, several components of the same type can be distinguished by following the reference label by a dash and a second label that distinguishes between similar components. If only the first reference label is used in the specification, the description is applicable to any of the similar components having the same first reference label independent of the second reference label.
    [0045] THE figure 1 and a diagram in blocks illustrating details in a system of communication without thread. [0046] THE figure 2 is a diagram in blocks
    conceptually illustrating a base station design and a UE configured in accordance with an aspect of the present disclosure.
    [0047] Figure 3 is a block diagram
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    16/48 illustrating base stations and UEs, all configured in a
    according to several aspects of this revelation. [0048] Figure 4 is a block diagram illustrating blocks example runs to implement a
    aspect of the present revelation.
    [0049] Figure 5 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure.
    [0050] Figure 6 is a block diagram illustrating blocks example runs according to a
    aspect of the present revelation.
    [0051] Figure 7 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure.
    [0052] Figure 8 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure.
    [0053] Figure 9 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure.
    [0054] Figure 10 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure.
    [0055] Figure 11 is a block diagram
    illustrating a base station configured in accordance with an aspect of the present disclosure.
    [0056] Figure 12 is a block diagram illustrating a UE configured in accordance with an aspect of the present disclosure.
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    17/48
    DETAILED DESCRIPTION [0057] The detailed description set out below, with respect to the attached drawings, is intended as a description of various configurations and is not intended to limit the scope of the disclosure. Instead, the detailed description includes specific details for the purpose of providing a complete understanding of the inventive material. It will be evident to those skilled in the art that these specific details are not required in any case and that in some cases, well-known structures and components are shown in the form of a block diagram for clarity of presentation.
    [0058] This disclosure generally refers to the provision or participation in authorized shared access between two or more wireless communication systems, also referred to as wireless communication networks. In various modalities, techniques and devices can be used for wireless communication networks such as
    access multiple per division in code (CDMA), nets in access multiple per division in time (TDMA), nets in access multiple per division in frequency (FDMA), networks
    Orthogonal FDMA (OFDMA), single carrier FDMA networks (SCFDMA), LTE networks, GSM networks, as well as other communication networks. As described here, the terms networks and systems can be used interchangeably.
    [0059] An OFDMA network can implement radio technology such as UTRA developed (E-UTRA), IEEE 802.11, IEEE 802.16, IEEE 802.20, Flash-OFDM and the like. UTRA, E-UTRA and Global System for Mobile Communications (GSM) are part of the universal mobile telecommunication system (UMTS). In particular, long-term developments
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    18/48 (LTE) is a UMTS release that uses E-UTRA. UTRA-, E-UTRA, GSM, UMTS and LTE are described in documents provided from an organization named the third generation partnership project (3GPP), and cdma2000 are described in documents from an organization named society Project 3rd generation 2 (3GPP2). These various radio technologies and standards are known or are being developed. For example, the third generation partnership project (3GPP) is a collaboration between groups of telecommunications associations that aims to define a mobile phone specification third generation (3G) globally applicable. Long-term evolution 3GPP (LTE) is a 3GPP project that was aimed at perfecting the universal mobile telecommunications system (UMTS) mobile phone standard. 3GPP can define specifications for the next generation of mobile networks, mobile systems and mobile devices. The present disclosure refers to the evolution of LTE, 4G, 3G and beyond wireless technologies with shared access to wireless spectrum between networks using a collection of new and different radio access technologies or radio air interfaces.
    [0060] In particular, 5G networks consider different deployments, different spectrum and different services and devices that can be implemented using a unified air interface, based on OFDM. To achieve these goals, further improvements in LTE and LTE-A are considered in addition to the development of new radio technology (NR). NR 5G will be able to increase to provide coverage (1) for a massive Internet of things (loTs) with an ultra high density (e.g. ~ 1M
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    19/48 knots / km 3 ), ultra-low complexity (for example, ~ 10s of bits / s), ultra-low energy (for example, -10+ years of battery life), and deep coverage with the ability to reach challenging locations ; (2) including critical mission control with security to protect sensitive personnel, financial or classified information, ultra-high reliability (for example, -99.9999% reliability), ultra-low latency (for example, -1 ms), and users with wide ranges of mobility or lack thereof; and (3) with enhanced mobile broadband including extreme high capacity (for example, -10 Tbps / km 3 ), extreme data speeds (for example, multi-Gbps speed, 100+ Mbps user experienced speeds) and deep awareness with optimizations and advanced discovery.
    [0061] NR 5G can be implemented to use waveforms based on OFDM optimized with transmission time interval (TTI) and scalable numerology, having a flexible, common structure to efficiently multiplex services and features with a split duplex design dynamic latency frequency (FDD) / duplex (TDD) duplex; and with advanced wireless technologies such as robust millimeter (mmWave) wave transmissions, massive multiple inputs (MIMO), advanced channel coding and device-centric mobility. Scaling capacity of numerology in NR 5G, with scaling of subcarrier spacing, can efficiently handle diverse operating services through diverse deployments and diverse spectrum. For example, in several macro and external coverage deployments that are smaller than
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    FDD / TDD 3GH 2 , subcarrier spacing can occur at 15 kHz, for example, above 1, 5, 10, 20 MHz and similar bandwidth. For several other small and external cell coverage deployments of TDD greater than 3 GHz, subcarrier spacing can occur with 30 kHz above 80/100 MHz bandwidth. For several other internal broadband deployments, using a TDD above of the unlicensed portion of the 5 GHz band, subcarrier spacing can occur with 60 kHz above a 160 Hz bandwidth. Finally, for multiple deployments transmitting with mmWave components on a 28 GHz TDD, the subcarrier spacing can occur at 120 kHz over a 500 MHz bandwidth.
    [0062] NR 5G's scalable numerology facilitates scalable TTI for various latency and quality of service (QoS) requirements. For example, shorter TTI can be used for low latency and high reliability, while longer TTI can be used for higher spectral efficiency. Efficient multiplexing of long and short TTIs to allow transmissions to start at symbol limits. NR 5G also considers an independent integrated subframe design with uplink / downlink programming information, data and confirmation in the same subframe. The independent integrated subframe supports conflict-based or unlicensed shared spectrum communication, adaptive uplink / downlink that can be flexibly configured on a per-cell basis to dynamically switch between uplink and downlink to meet current traffic needs.
    [0063] Various other objectives and
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    21/48 characteristics of the disclosure are further described below. It should be evident that the teachings of the present invention can be incorporated into a wide variety of forms and that any structure, specific function, or both being disclosed here, is merely representative and not limiting. Based on the teachings of the present invention, a person of ordinary skill in the art must recognize that one aspect disclosed here can be implemented independently of any other aspects and that two or more of these aspects can be combined in various ways. For example, an apparatus can be implemented or a method can be put into practice using any number of aspects set out here. In addition, such an apparatus may be implemented or such a method may be put into practice using another structure, functionality or structure and functionality in addition to or different from one or more of the aspects set out here. For example, a method can be implemented as part of a system, device, device and / or instruction stored on computer-readable media for execution on a processor or computer. In addition, an aspect may comprise at least one element of a claim.
    [0064] Figure 1 is a block diagram illustrating 5G 100 network including several base stations and UEs configured according to aspects of the present disclosure. The 5G 100 network includes several base stations 105 and other network entities. A base station can be a station that communicates with UEs and can also be referred to as a base station, an access point and the like. Each base station 105 can provide communication coverage
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    22/48
    for Geographical area specific. In 3GPP , the term cell can refer to that area in roof geographic specific to a station base and / or a subsystem base station serving the area . in roof,
    depending on the context in which the term is used.
    [0065] A base station can provide communication coverage for a macro cell or a small cell, such as a peak cell or a femto cell, and / or other cell types. A macro cell generally covers a relatively large geographic area (for example, several kilometers in radius) and can allow unrestricted access by UEs with service subscriptions with the network provider. A small cell, such as a peak cell, would generally cover a relatively smaller geographic area and may allow unrestricted access by UEs with service subscriptions with the network provider. A small cell, such as a femto cell, would also generally cover a relatively small geographical area (for example, a house) and, in addition to unrestricted access, can also provide access restricted by UEs having an association with the femto cell (for example, UEs in a closed subscriber group (CSG), UEs for in-house users, and the like). A base station for a macro cell can be referred to as a macro base station. A small cell base station can be referred to as a small cell base station, a peak base station, a femto base station or a home base station. In the example shown in figure 1, base stations 105d and 105e are regular macro base stations, while base stations 105a-105c are macro base stations enabled with one of 3 dimensions (3D), total dimension
    Petition 870190032256, of 03/03/2019, p. 29/74
    23/48 (FD) or massive MIMO. Base stations 105a-105e take advantage of their higher dimension MIMO capabilities to explore 3D beam formation in both elevation and azimuth beam formation to increase coverage and capacity. Base station 105f is a small cell ase station that can be a home node or portable access point. A base station can support one or multiple cells (for example, two, three, four and the like).
    [0066] The 5G 100 network can support synchronous or asynchronous operation. For synchronous operation, base stations can have similar frame timing and transmissions from different base stations can be approximately time aligned. For asynchronous operation, base stations may have different frame timing and transmissions from different base stations may not be time aligned.
    [0067] The UEs 115 are dispersed throughout the wireless network 100 and each UE can be stationary or mobile. A UE can also be referred to as a terminal, a mobile station, a subscriber unit, a station or the like. A UE can be a cell phone, a personal digital assistant (PDA), a wireless modem, a wireless communication device, a portable device, a tablet computer, a laptop computer, a cordless phone, a local loop station wireless (WLL), or similar. UEs 115a115d are examples of mobile smart phone devices accessing the 5G 100 network. An UE can also be a machine specifically configured for connected communication, including machine-type communication (MIG), enhanced MTC (eMTCs), narrowband loT (NB -IoT) and
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    24/48 similar. 115e-115k UEs are examples of several machines configured for communication that access the 5G 100 network. A UE may be able to communicate with any type of base stations, whether macro base station, small cell or similar. In Figure 1, a lightning bolt (for example, communication links) indicates wireless communication between an UE and an ase station in service, which is a base station designed to serve the UE on the downlink and / or uplink, or desired transmission between stations base, and return channel transmissions between base hubs.
    [0068] In 5G 100 network operation, base stations 105a-105e serve UEs 115a and 115b using 3D beam formation and coordinated spatial techniques, such as coordinated multipoint (CoMP) or multiple connectivity. Macro base station 105d performs return channel communication with base stations 105a-105c, as well as small cell, base station 105f. the macro base station 105d also transmits multicast services that are subscribed to and received by UEs 115c and 115d. such multicast services may include video stream or television or may include other services to provide community information, such as weather emergencies or alerts, such as Amber alerts or gray alerts.
    [0069] The 5G 100 network also supports mission critical communication with redundant and ultra reliable links for mission critical devices, such as UEs 115e, which is a drone. Redundant communication links with UE 115e include from macro base stations 105d and 105e, as well as small cell base station 105f. other machine-type devices, such as UE 115f (thermometer), UE
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    25/48
    115g (smart meter) and UE 115h (wearable device) can communicate over 5G 100 network directly with base stations, such as 105f small cell base station and 105e macro base station, or in multiple hop configurations for communicating with another user device which relays its information to the network, such as UE 115f communicating temperature measurement information to the smart meter, UE 15g, which is then reported to the network via the small cell base station 105f. The 5G 100 network can also provide additional network efficiency through low-latency, dynamic TDD / FDD communications, as in a vehicle-to-vehicle mesh network (V2V) between UEs 115i-115k communicating with 105e macro base station, [0070] Figure 2 shows a block diagram of a design of a base station 105 and a UE 115, which can be one of the base stations and one of the UEs in figure 1. At base station 105, a transmission processor 220 can receive data from a data source 212 and control information from a controller / processor 240. The control information can be for PBCH, PCFICH, PHICH, PDCCH, EPDCCH, MPDCCH, etc. Data can be for PDSCH, etc. The transmission processor 220 can process (e.g., encode and map into symbol) the control data and information to obtain data symbols and control symbols, respectively. The transmission processor 220 can also generate reference symbols, for example for PSS, SSS and cell-specific reference signal. A transmission multiple input (MIMO) processor (TX) 230 can
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    26/48 perform spatial processing (for example, pre-coding) on data symbols, control symbols, and / or reference symbols, if applicable, and can provide output symbol streams for modulators (MOds) 232a through 232t. Each modulator 232 can process a respective output symbol stream (for example, for OFDM, etc.) to obtain an output sample stream. Each 232 modulator can further process (eg convert to analog, amplify, filter and convert upward) the output sample stream to obtain a downlink signal. Downlink signals from modulators 232a through 232t can be transmitted through antennas 234a through 234t, respectively.
    [0071] At UE 115, antennas 252a through 252r can receive downlink signals from base station 105 and can provide received signals to demodulators (DEMODs) 254a through 254r, respectively. Each demodulator 254 can condition (for example, filter, amplify, downwardly convert and digitize) a respective received signal to obtain input samples. Each demodulator 254 can further process the input samples (for example, for OFDM, etc.) to obtain received symbols. A MIMO 256 detector can obtain symbols received from all demodulators 254a through 254r, perform MIMO detection on received symbols if applicable and provide detected symbols. A receiving processor 258 can process (e.g., demodulate and decode) the detected symbols, provide decoded data for UE 115 to a data store 260 and provide decoded control information and system information to a
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    27/48 controller / processor 280.
    [0072] In uplink, in UE 115, a transmission processor 264 can receive and process data (for example, for PUSCH)) from a 262 data source and control information (for example, for PUCCH)) from controller / processor 280. The transmission processor 264 can also generate reference symbols for a reference signal. The symbols from the transmission processor 264 can be pre-coded by a MIMO TX 266 processor if applicable, further processed by modulators 254a through 254r (for example, for SC-FDM, etc.) and transmitted to base station 105. In base station 105, uplink signals from UE 115 can be received by antennas 234, processed by modulators 232, detected by a MIMO detector 236 if applicable and further processed by a receiving processor 238 to obtain decoded data and control information sent per EU 115. Processor 238 can provide the decoded data to a data store 246 and the decoded control information to the controller / processor 240.
    [0073] The controllers / processors 240 and 280 can guide the operation in the base station 105 and UE 115, respectively. Controller / processor 240 and / or other processors and modules at base station 105 can execute or guide the execution of various processes to the techniques described here. The controllers / processor 280 and / or other processors and modules in the UE 115 can also execute or direct the execution of the functional blocks illustrated in figures 4-10 and / or other processes for the
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    28/48 techniques described here. Memories 242 and 282 can store data and program codes for base station 105 and UE 115, respectively. A programmer 244 can program UEs for data transmission on the downlink and / or uplink.
    [0074] With trends for universal connectivity and the increase in more machines and devices having wireless capabilities to report data or other low-level communications, 3GPP has proposed new access technologies to accommodate more machine-type communications in improved machine-type communication (3MTC) and narrowband Internet of Things (NB-IoT) standards in Reis. 12 and 13. Considering the context for these technologies, devices designed specifically for this type of communication can be lower complexity devices with lower cost, which can be positioned in remote and inhospitable places, thus increasing the need for battery life longer and the ability to provide some communication coverage in very low signal to noise (SNR) environments. At the same time, these devices may not need to run some of the most advanced features of modern smart phones.
    [0075] Therefore, the proposed standards for access technologies, such as eMTC and NB-IoT, provide increased power management to improve energy consumption and therefore battery life, while using lower cost components. The narrowing of operational bandwidth allows lower cost components to facilitate communication in such low SNR environments
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    29/48 while still allowing deployment in any LTE spectrum and coexistence with other LTE services in the same bandwidths. As currently suggested, eMTC operates with improved coverage over a 1.08 MHz bandwidth, while NB-IoT operates with improved coverage over an even smaller 180 kHz bandwidth, compared to the normal LTE mode, which also supports widths Larger operating bandwidths, such as 3, 5, 10, 15 and 20 MHz. Although LTE networks in normal mode may support some similar operating bandwidths, for example, 1 MHz, it does not support normal mode operations on the same lower SNRs that eMTC and NB-IoT offer in their extended coverage capabilities.
    [0076] Although eMTC and NB-IoT were proposed to accommodate communication of lower complexity and lower cost devices, regular LTE UEs can also be configured to take advantage of additional technologies to extend the coverage of existing LTE communications. As such, regular LTE UEs may include either a normal mode, which operates using the typical coverage provided by standard LTE procedures (for example, using PDCCH / PDSCH), or a coverage extension (CE) mode, which provides extended coverage according to more MTC-style procedures (for example, using NPDCCH / NPDSCH or MPDCCHQMPDSCH which have lower code repetitions / rate).
    [0077] In idle mode, such an UE can switch between CE mode and non-CE mode based on its channel quality measurements. However, the network may not be aware of what mode the UE is in. This can cause problems
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    30/48 when the network sends alerts to the UE. When in normal mode, the network will send UE alerts via PDCCH that the UE idle mode will be monitoring, while in CE mode, it would send UE alerts on a narrowband PDCCH (NPDCCH). If the network does not know which mode the UE currently resides in, it can send alerts on a PDCCH that the UE is not monitoring, which can cause a delay in communications. Various aspects of the present disclosure are aimed at accommodating UEs in normal or CE mode without incurring unnecessary communication delays.
    [0078] Figure 3 is a block diagram illustrating base stations 105c and 105e and UEs 115a-115d, all configured in accordance with various aspects of the present disclosure. UEs 115a-115d can switch between various coverage modes depending on the communication conditions experienced in the UEs. In an example aspect, UEs 115a115d make the network aware of the specific way the UE is. In this regard, a new RRC connection can be established in which UEs 115a-115c send simulated non-access layer (NAS) messages that inform the mobility management function (MM) entities 300 and 301, respectively, via the base station. in service, base stations 105c and 105e, of the change in coverage. MM 300 and 301 role entities can include multiple nodes or functionality exercised by multiple nodes. for example, in LTE operations, MM 300 and 301 role entities may include mobility management entities (MMEs), while in NR 5G operations, mobility management functions include network nodes or entities that provide access and management function mobility (MFA) with
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    31/48 both the security context management function (SCMF) and the secure anchor function (SEAF). Alternatively, instead of transmitting a NAS message, UE 115a-d can transmit an RRC message to base stations 105c and 105e, respectively, indicating the new coverage mode, and base station 105c and 105e would generate the NAS message for function entities MM 300 and 301, respectively.
    [0079] Figure 4 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure. The example blocks will also be described with respect to base stations 105 and UE 115, as illustrated in figures 11 and 12, respectively.
    [0080] Figure 11 is a block diagram illustrating base station 105 configured in accordance with an aspect of the present disclosure. Base station 105 includes the structure, hardware and components as illustrated for base station 105 in figure 2. For example, base station 105 includes controller / processor 240, which operates to execute computer or logic instructions stored in memory 242, as well how to control the base station 105 components that provide the features and functionality of the base station 105. The base station 105 under control of controller / processor 240, transmits and receives signals via IlOOa-t wireless radios and 234a-t antennas. IlOOa-t wireless radios include various components and hardware, as illustrated in figure 2 for base station 105, including modulator / demodulators 232a-t, MIMO detector 236, receiving processor 238, transmission processor 220 and processor MIMO TX 230. Figure 12 is a block diagram illustrating UE 115 configured according to
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    32/48 with an aspect of the present disclosure. The UE 115 includes the structure, hardware and components as illustrated for the UE 115 of figure 2. 'For example, the UE 115 includes controller / processor 280, which operates to execute computer or logic instructions stored in memory 282, as well as to control the components of the UE 115 that provide the characteristics and functionality of the UE 115. The UE 115, under control of the controller / processor 280, transmits and receives signals through 1200a-r wireless radios and 252a-r antennas. The 1200a-r wireless radios include various components and hardware, as illustrated in figure 2 for base station 105, including modulator / demodulators 254a-r, MIMO detector 256, receiving processor 258, transmission processor 264 and processor MIMO TX 266 .
    [0081] In block 400, a UE switches coverage modes between a CE mode and a non-CE mode. For example, the UE 115 can enter a basement or other underground room with very low coverage capacity. UE 115, under controller / processor control 280, activates the CE mode switch 1201, stored in memory 282. The execution environment of the CE mode switch 1202 allows the UE 115 to switch from non-CE mode to CE mode.
    [0082] In block 401, the UE transmits a mode indicator, where the mode indicator identifies the coverage mode to which the UE has switched. For example, in the first example aspect, the mode indicator can be the simulated NAS message sent from a UE, such as UE 115, to base station 105. The UE 115 can send the simulated NAS message using antennas 252a-re 1200a-r wireless radios. Base stations can receive the NAS message
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    33/48 simulated using 2334a-t antennas and IlOOa-t wireless radios. The base station 105 would then send the simulated NAS message to the MM 301 function entity, which informs the MM 301 function entity about the new coverage mode for UE 115c.
    [0083] In a second example aspect, as noted above, instead of UE 115 transmitting the simulated NAS message, UE 115 will transmit an RRC message to base station 105 indicating the new coverage mode change for UE 115 ( eg change to CE mode). The UE 115 can send the RRC message using 252a-r antennas and 1200a-r wireless radios. Base station 105, based on receipt of the RRC message from UE 115, then, under control of controller / processor 240, will activate the NAS 1101 message generator, stored in memory 242. The NAS 1101 message generator execution environment allows generating a NAS message for transmission from base station 105 via IlOOa-t wireless radios and antennas 234a-t to the MM 301 function entity, informing the MM 301 function entity of the changed coverage mode. Therefore, the MM 30 function entity will provide paging to the UE 115 using the appropriate coverage mode.
    [0084] Figure 5 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure. The example blocks will also be described with respect to the ase station 105 and UE 115, as illustrated in figures 11 and 12, respectively. In block 500, a base station detects a paging opportunity for a UE being served by the base station. For example, the role entity MM 300 (figure 3) can send
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    34/48 a paging message to base station 105 identifying UE 115 with downlink data. Base station 105 under controller / processor control 240, can activate paging opportunity detector 1102, stored in memory 242. The execution environment of paging opportunity detector 1102 allows the UE to detect a paging opportunity to alert the UE 115.
    [0085] In block 501, a base station can transmit an alert associated with the paging opportunity according to a CE mode of the UE and a non-CE mode of the UE. For example, base station 105, under control of controller / processor 240, can activate alert generator 1103, stored in memory 242. The execution environment of alert generator 1103 allows base station 105 to generate an alert and to schedule transmissions paging via wireless radios 1100a and antennas 234a-t, for UE 115. Without direct knowledge of the way in which UE 115 is, contrary to the aspect illustrated in figure 4, paging by base station 105 can be improved to accommodate the specific mode the UE 115 is in. When the network is not aware of the UE mode, the network can first alert the UE 115 in its last known mode. For example, the execution environment of alert generator 1103 may allow base station 105 to alert UE 115 in the last known mode of UE 115. Thus, if the last known mode was a CE mode, then the base station 105 will transmit alerts according to CE mode. Otherwise, if the last known mode was a non-CE mode, then base station 105 will transmit alerts according to the non-CE mode. If EU 115 does not respond when paged
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    35/48 in that last known mode then the network, through base station 105, alerts in the other available modes. In one aspect, the base station 105 can alert the UE 115 multiple times in the last known mode before attempting a different mode.
    [0086] In a second alternative implementation of block 501, base station 105 can send alerts via several of the available modes, (for example, both non-CE and CE mode). For example, the execution environment of alert generator 1103 may allow base station 105 to send alert transmissions on UE 115, via IlOOa-t wireless radios and antennas 234a-t, in several of the available modes. This process reduces delay of UE 115 in receiving the alert compared to the previous option that sequentially tries the last known mode first. The network can select to duplicate alerts in multiple coverage modes based on the capabilities of the UE 115, the type of communication traffic and the like.
    [0087] Figure 6 is a block diagram illustrating example blocks executed according to an aspect of the present disclosure. The example blocks will also be described with respect to base station 105 and UE 115, as illustrated in figures 11 and 12, respectively. In block 600, a UE monitors for an alert according to a coverage mode of a plurality of accessible candidate coverage modes. For example, UE 115, under controller / processor control 280, activates alert monitor 1202, stored in memory 282. The execution environment of alert monitor 1202 allows UE 115
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    36/48 monitor alerts only via the roads in a non-CE, normal way. Thus, the fact that if EU 115 is operating in non-CE or CE mode, it will only monitor the road in a non-CE mode, normal for paging. The monitor mode can be known to the network, so the base station 105 can transmit alerts to UE 115 via the non-CE mode. For example, base station 105 can transmit alerts, via IlOOa-t wireless radios and 234a-t antennas, to be received via 1200a-r wireless radios and 252a-r antennas by the UE 115.
    [0088] In another example, the network can alert the UE in multiple modes available at the same time. Thus, in addition to a mode being monitored in block 600, additional modes can be selected for additional monitoring. When the network knows that the UE 115 can be in any number of different modes, the base station 105 can use all of these modes to transmit alerts. This aspect allows UE 115 to detect alerts, for example, under the executable environment of alert monitor 1202, regardless of which mode it is in, which reduces the delay that may be present in sequentially alerting based on the last known mode. The network can select specific UEs whose alert is detected for duplicate based on UE capacity, type for traffic, and the like.
    [0089] In block 601, the UE initiates communication in response to the detection of the alert. For example, the UE 115 can initiate communication via 1200ar wireless radios and 252a-r antennas with ase station 115. In the almost UE 115 aspects it is only monitoring a single mode, the
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    37/48 communication is initiated in that mode when the alert is detected. In other aspects where UE 115 monitors multiple modes, communication is initiated in the mode where the alert is detected or if alerts are detected in multiple modes, UE 115 can give priority to those modes that offer higher data speeds, higher bandwidth, better coverage or similar.
    [0090] In aspects of the present disclosure, the UE 115 monitors alerts in more than one way. The UE 115 can simply monitor all potentially available coverage mode pathways that are accessible to it, or can determine which of the available modes to monitor based on its expected performance in each of the modes under current channel conditions, power consumption considerations. power and its ability to monitor multiple modes simultaneously.
    [0091] To monitor for alerts or perform RACK, a UE, such as UE 115, uses various paging parameters (for example, paging configuration, PRACH configuration, common PUSCH / PDSCH configurations, etc.) decoded from block messages system information (SIB), broadcast from base stations in service, as base station 105. For non-CE and PRACH mode paging, parameters are sent via SIB1, while paging parameters for CE mode paging are broadcast in SIB1-BR. SIB1 is broadcast by base station 105 using PHY channels in normal non-CE mode, while SIB1BR is broadcast by base station 105 using PHY channels in CE mode. However, the specific elements included in each SIB can be different. For example, SIB1 sent in
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    38/48 PHY channels in normal non-CE mode may not include RACH / paging information related to CE and vice versa. If UE 115 switches between CE and normal modes, it would have to decode SIB1-BR to be able to monitor alerts and perform RACH.
    [0092] Thus, to simplify implementation of UE 115 and reduce latency, both SIB1 and SIB1-BR broadcast from base station 105 can contain the paging parameter for both normal coverage and extended coverage. Some critical parameters that are optional to include in SIB1, but are necessary for
    other modes such as mode CE, can be included, making unnecessary for read the SIB1-BR if SIH1 is read in mode normal. [0093] With modes available additional, any additional parameters that would be used for
    those other modes can also be included in SIB1. Thus, switching to a new mode may not require additional time to decode the corresponding SIB for specific paging parameters.
    [0094] Figure 7 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure. In block 700, a UE detects data for uplink communication. For example, an UE, such as UE 115, determines that it has data for uplink communication. There may be scenarios where UE 115 is under normal coverage based on downlink measurements. However, a random access channel (RACH) attempt to stop uplink communication using normal mode fails because uplink coverage is more in need of extended coverage.
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    39/48 [0095] In block 701, the UE performs a RACK according to a non-CE mode. For example, in the additional aspect of figure 7, UE 115 would first attempt to RACK in normal non-CE mode. In block 072, the UE determines a failure of the random access procedure. After UE 115 attempts to RACK in normal mode, it detects RACH failure. Each RACH attempt can include multiple PRACH transmissions with varying energy levels, and would be considered successful if a random access response is received corresponding to the PRACH. A RACH process failure can be declared after a number of attempts for RACH to have failed or for RACH not to be successful within a certain period of time. In one aspect, in normal mode, UE 115 monitors for the random access response (e.g., PRACH) of a base station, such as base station 105, for PDCCH. In another aspect, in CE mode, UE 115 monitors PRACH against N-PDCCH. In block 703, when RACH failure in non-CE mode is detected, UE 115 performs the random access procedure according to a CE mode.
    [0096] In one aspect, to reduce delay, UE 115 can use a history of previous channel condition measurements and RACH success with base station 105 to perform RACH directly in CE mode. Thus, when examining previous channel conditions and previous RACH success in non-CE or CE modes indicates that UE 115 may be more likely to have RACH success with base station 105 in CE mode, the UE 115 will switch to the CE mode without first trying RACH in a non-CE mode.
    [0097] Figure 8 is a block diagram
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    40/48 illustrating example blocks executed to implement an aspect of the present disclosure. In additional aspects of the present disclosure, if the UE is capable of simultaneous RACK, it can attempt simultaneous RACK in multiple modes (for example, CE and non-CE modes).
    [0098] In block 800, the UE detects data available for uplink transmission. In block 801, the UE performs a RACK procedure simultaneously according to a CE and a non-CE mode. For example, the UE 115, with data for uplink transmission, performs RACK through both CE and non-CE modes. In block 802, a determination is made whether responses are detected in only one mode or whether responses are detected in both modes. If only one response is detected, then, at block 803, communication is initiated according to which of the CE or non-CE modes the response was detected. For example, if UE 115 detects a response in the RACK executed in CE mode, then communication would be initiated in CE mode. If UE 115 detects the response in the RACK in non-CE mode, then communication would be initiated there instead.
    [0099] If responses were detected in both modes in block 802, then, in block 804, the UE initiates communications according to the non-CE mode. For example, if UE 115 detects responses in both modes, then non-CE mode can be prioritized over CE mode due to the higher bandwidth and / or higher data speeds available in normal mode.
    [00100] The extended coverage improvements introduced in the machine type standards are currently defined for narrowband operation. Of this
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    41/48 mode, the base station / UE operating in a coverage enhancement mode would be based on narrowband communications. In the case of NB-IoT, these narrowband channels cover only 180 kHz. Therefore, for a UE, such as a smartphone to support coverage improvements, the UE would need to support the specific narrow band. A procedure in the NB-IoT used to increase coverage improvement is to provide repetition of uplink and downlink transmissions. Thus, using a repetition factor communicated between the UE and the base station, transmissions, such as PDCCH, PDSCH, PUSCH, PUCCH and the like, are repeatedly transmitted according to the repetition factor.
    [00101] Figure 9 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure. In block 900, a UE detects channel coverage conditions below a selected threshold level. For example, the UE 115 takes channel measurements and performs measurements of the communication conditions it experiences at its location near base station 105.
    [00102] In block 901, the UE signals a coverage extension condition for a base station in service in response to poor channel coverage. For example, UE 115 signals base station 105 that channel conditions are so bad that a coverage span condition exists.
    [00103] In block 902, in response to signaling the coverage extension condition, the UE receives repeated copies of transmissions from the base station in service, in which the repeated copies are repeated in one
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    42/48 repetition factor selected. In one aspect of the present disclosure, instead of requiring UE 115 to switch modes to improve coverage, repetition factors would be increased in the normal, current mode for existing channels to experience improved coverage in the current normal mode. For example, instead of supporting both ePDCCH for normal coverage and NPDCCH for extended coverage, the UE 115 modem can simply support ePDCCH and repeated ePDCCH. This can simplify the receiver design and reduce receiver cost. The grouped channels subject to repeated transmissions include one or more of: PDCCH, PDSCH, PUSCH, PUCCH, PRACH, PRCH, PSS, SS. The repetition factors can be predetermined and communicated in control messages between UE 115 and base station 105.
    [00104] Additional features for improved machine-type coverage standards include frequency hopping support with narrowband frequencies to reduce transmission congestion. To support frequency hopping with narrowband frequencies, current eMTC or NB-IoT devices would typically perform frequency feedback. In this way, a gap is usually introduced between frequency hops to allow the device to tune to the new frequency. However, more advanced UEs (for example, non-machine devices) may have baseband processing capabilities that support broadband frequencies. Therefore, additional aspects of the present disclosure provide regular UEs to define the same narrowband frequency hop signaling through broadband bandwidth capabilities.
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    43/48 of the UE. Therefore, such UEs can transmit on narrowband frequency hops without inserting a return gap. Thus, depending on the UE capacity, different groups of UEs may perform the narrowband frequency hop differently. Less capable machine-type UEs transmit with return gaps, while other more capable UEs transmit without return gaps.
    [00105] Figure 10 is a block diagram illustrating example blocks executed to implement an aspect of the present disclosure. The example blocks will also be described with respect to UE 115, as illustrated in figure 12.
    [00106] In block 1000, an UE determines which coverage conditions of the UE support narrowband frequency hopping for transmissions, wherein the narrowband frequency hopping includes uplink data transmission without a gap between hopped frequencies. For example, UE 115, under controller / processor control 280, can enable narrowband frequency hopping 1204, stored in memory 282. The narrowband frequency hopping execution environment 1204 allows UE 115 to perform multiple measurements to determine the channel conditions and connection conditions at your current location, and whether these coverage conditions support narrowband frequency hopping for transmissions. The UE 115 can be a regular smart phone capable of advanced communication operations in LTE-A.
    [00107] In block 1001, the UE may indicate, in response to the determination that the UE is configured with capabilities to support the band frequency hop
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    44/48 narrow without a gap. For example, UE 115, under control of controller / processor 280, may indicate that the UE is configured with capabilities to support narrowband frequency hopping. In addition, since UE 115 is capable of handling broadband base band processing, there is no need to continuously re-tune frequencies for each hop frequency as each hop frequency is comprised of the total bandwidth bandwidth available for the EU 115.
    [00108] Those skilled would understand that information and signals can be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols and chips that can be referenced from beginning to end of the above description can be represented by voltages, currents, electromagnetic waves, particles or magnetic fields, particles or optical fields or any combination of them.
    [00109] The functional blocks and components in figures 5-12 can comprise processors, electronic devices, hardware devices, electronic components, logic circuits, memories, software codes, firmware codes, etc., or any combination thereof.
    [00110] Those skilled in the art would further recognize that the various illustrative logic blocks, components, circuits and algorithm steps described with respect to the disclosure of the present invention can be implemented as electronic hardware, computer software, or combinations
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    45/48 of both. To clearly illustrate this exchange of hardware and software, several illustrative components, blocks, components, circuits and steps have been described above in general in terms of their functionality. The fact that such functionality is implemented as hardware or software depends on the specific application and design limitations imposed on the general system. Specialized technicians can implement the functionality described in variable modes for each specific application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure. Skilled technicians will also readily recognize that the order or combination of components, methods, or interactions that are described here are merely examples and that the components, methods, or interactions of the various aspects of the present disclosure can be combined or performed in ways other than those illustrated and described on here.
    [00111] The various illustrative logic blocks, components and circuits described with respect to the present disclosure can be implemented or executed with a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate (FPGA) arrangement or other programmable logic device, transistor logic or discrete gate, discrete hardware components, or any combination thereof designed to perform the functions described here. A general purpose processor can be a microprocessor, but in the alternative, the processor can be
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    46/48 be any commercially available processor, controller, microcontroller or state machine. A processor can also be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in combination with a DSP core, or any other such configuration.
    [00112] The steps of a method or algorithm described in relation to the present disclosure can be incorporated directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module can reside in RAM, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CDROM, or any other form of storage media known in the art. An exemplary storage medium is coupled to the processor so that the processor can read information from, and write information to, the storage medium. Alternatively, the storage media can be integral with the processor. The processor and storage media can reside in an ASIC. The ASIC can reside on a user terminal. Alternatively, the processor and storage media can reside as discrete components in a user terminal.
    [00113] In one or more exemplary designs, the functions described can be implemented in hardware, software, firmware or any combination thereof. If implemented in software, functions can be stored
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    47/48 in or transmitted via one or more instructions or code on computer-readable media. Computer-readable media includes both computer storage media and communication media including any media that facilitates the transfer of a computer program from one location to another. Computer-readable storage media can be any available media that can be accessed by a general purpose or special purpose computer. As an example and not a limitation, computer-readable media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other media that can be used to load or store medium of desirable program code in the form of instructions or data structures that can be accessed by a general purpose or special purpose computer, or a general purpose or special purpose processor. Also, a connection can be properly called a computer-readable medium. For example, if the software is transmitted from a website, server or other remote source using a coaxial cable, fiber optic cable, twisted pair, or digital subscriber line (DSL), then the coaxial cable, fiber optic cable, pair twisted, or DSL, are included in the media definition. Disk and disk, as used here, include compact disc (CD), laser disk, optical disk, digital versatile dial (DVD), floppy disk and bluray disk where disks normally reproduce data magnetically, while disks reproduce data optically with lasers. Combinations of the above are also included in the scope of computer-readable media.
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    48/48 [00114] As used herein, including in the claims, the term and / or, when used in a list of two or more items, means that any of the items listed can be used by itself, or any combination of two or more of the items listed can be employed. For example, if a composition is described as containing components A, B and / or C, the composition can contain A alone; B alone; C alone; A and B in combination; A and C in combination; B and C in combination; or A, B and C in combination. Also, as used here, including in the claims, or as used in a list of items prefaced by at least one of, indicates a disjoint list so that, for example, a list of at least one of A, B or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C) or any of these in any combination thereof.
    [00115] The previous description of the disclosure is provided to allow anyone skilled in the art to make or use the disclosure. Various changes in the disclosure will be readily apparent to those skilled in the art, and the generic principles defined here can be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described here, but the broader scope compatible with the new principles and aspects disclosed here must be agreed.
    权利要求:
    Claims (20)
    [1]
    1. Wireless communication method, comprising:
    determine in a user equipment (UE), which coverage conditions of the UE support narrowband frequency hopping for transmissions, in which narrowband frequency hopping includes uplink data transmission without a gap between hopped frequencies; and
    Indicate in response to the determination that the UE is configured with capabilities to support narrowband frequency hopping without a gap.
    [2]
    A method according to claim 1, further comprising:
    detect, in the UE, the data for the uplink transmission, in which the transmission of the data without the gap between hopped frequencies includes transmitting the data, by the UE, in the hopped frequencies without returning a broadband base radio from the UE between two frequencies of the jumping frequencies.
    [3]
    Method according to claim 2, wherein a first frequency of the hopped frequencies is a frequency of a first narrow band, and a second frequency of the hopped frequencies is a frequency of a second narrow band and in which the transmission of data hops between the first and second frequencies with no return.
    [4]
    4. Method according to claim 1, wherein the determination includes determining coverage conditions that support communication in a coverage extension (CE) mode, where the CE mode includes
    Petition 870190032256, of 03/03/2019, p. 56/74
    2/6 narrowband frequency without the gap.
    [5]
    A method according to claim 1, wherein the transmission of the data without the gap includes narrowband frequency signaling.
    [6]
    6. Method according to claim 1, in which the UE is configured for advanced communication operations in Advanced Long Term Evolution (LTE-A).
    [7]
    7. Method according to claim 1, further including:
    determine, by the UE, that the UE is configured with smaller capacities to support the narrowband frequency hop with a return gap.
    [8]
    8. Wireless communication method, comprising:
    switching a coverage mode, on a user device (UE) in idle mode, between a coverage enhancement mode (CE) and a non-CE mode; and transmitting a mode indicator from the UE, where the mode indicator identifies the coverage mode to which the UE has switched.
    [9]
    A method according to claim 8, wherein transmitting the mode indicator includes:
    establish a new radio resource control (RRC) connection; and transmitting a simulated non-access layer (NAS) message, wherein the simulated NAS message represents the mode indicator.
    [10]
    A method according to claim 8, wherein transmitting the mode indicator includes:
    transmit a resource control message from
    Petition 870190032256, of 03/03/2019, p. 57/74
    3/6 radio (RRC) for a base station in service, where the RRG message includes the mode indicator for a mobility management entity (MME).
    [11]
    11. Method according to claim 8, further including performing, in the UE, quality measurements of channel conditions of a UE, in which the switching of the coverage mode is based on the quality measurements.
    [12]
    12. Wireless communication method, comprising:
    monitor, by a user equipment (UE),
    for one alert according to a coverage mode an plurality of cover modes accessible candidates to HUH; and start communication on detection response of alert. 13. Method, according with claim 12,
    further including:
    select one or more additional coverage modes from the plurality of candidate coverage modes for monitoring, where monitoring includes:
    Monitor for the alert according to a coverage mode and one or more additional coverage modes.
    [13]
    14. The method of claim 13, further including:
    determine a performance expectation in each of the plurality of candidate coverage modes, where the performance expectation is based on one or more of: channel condition, energy consumption, UE capacity, in which the selection of a coverage mode and the selection of one or more additional coverage modes is based on the expectation
    Petition 870190032256, of 03/03/2019, p. 58/74
    4/6 performance.
    15. Method, in according to claim 13 including still: detect alerts in multiples in a way in roof and one or more cover modes additional;prioritize alerts based < at least an condition priority of coverage mode associated with each of alerts. 16. Method, in according to claim 15,
    further including:
    select an alert from the alerts based on prioritization, where the initiation of communication is based on the selected alert.
    [14]
    17. The method of claim 15, wherein at least one priority condition includes at least one between data speed, bandwidth, and / or coverage and in which:
    a first coverage mode with a higher data rate compared to a second coverage mode with a lower data rate;
    a first coverage mode with a larger bandwidth compared to a second coverage mode with a lower bandwidth; and a first coverage mode with higher quality coverage is prioritized over a second coverage mode with lower quality coverage.
    [15]
    18. Device configured for wireless communication, the device comprising:
    at least one processor; and a memory coupled to at least one processor;
    Petition 870190032256, of 03/03/2019, p. 59/74
    5/6 where at least one processor is configured: to determine, on a user device (UE) which conditions of coverage of the UE support narrowband frequency hopping for transmissions, where narrowband frequency hopping includes transmission data uplink without a gap between skipped frequencies; and to indicate, in response to the determination that the UE is configured with capabilities to support narrowband frequency hopping without a gap
    [16]
    19. Apparatus according to claim 18, further comprising configuration of at least one processor:
    to detect, in the UE, the data for the uplink transmission, in which the transmission of the data without the gap between hopped frequencies includes transmitting the data, by the UE, in the hopped frequencies without returning a broadband base radio from the UE between two frequencies of the jumping frequencies.
    [17]
    20. Apparatus according to claim 19, wherein a first frequency of the skipped frequencies is a frequency of a first narrow band, and a second frequency of the skipped frequencies is a frequency of a second narrow band, and in which the transmission of data hops between the first and second frequencies with no return.
    [18]
    21. An apparatus according to claim 18, wherein the configuration of at least one processor to determine includes configuration of at least one processor to determine coverage conditions that support
    Petition 870190032256, of 03/03/2019, p. 60/74
    6/6 communications in a coverage extension (CE) mode, where the CE mode includes narrowband frequency hopping without the gap.
    [19]
    Apparatus according to claim 18, wherein the data transmission without the gap includes narrowband frequency signaling.
    [20]
    23. Apparatus according to claim 18, wherein the UE is configured for advanced communication operations in Advanced Long Term Evolution (LTE-A).
    24. Method according to claim 18,
    further including configuration of at least one processor to determine, by the UE that the UE is configured with smaller capacities to support the narrowband frequency hop with a return gap.
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    法律状态:
    2021-10-05| B350| Update of information on the portal [chapter 15.35 patent gazette]|
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