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    • 专利摘要:
    the disclosure refers to the indications of the drone user equipment (eu) that can be transported to a wireless network. in particular, an eu that has flight capabilities (that is, capabilities to operate as an unmanned aircraft system) and optional additional capabilities to report a current height level that can indicate such capabilities for the wireless network. as such, the wireless network can differentiate the drone eu from other ues that only operate on the ground. in addition, the optional current height level may allow the wireless network to differentiate between drone skies that operate at different heights and / or from other skies that are operating on the ground. the wireless network can also use information indicating flight capabilities alone or in combination with optional height information to configure power control parameters, manage interference, provide mobility management functions, generate neighbor list, control beam conformation, or implement a radio resource configuration and management procedure.
    公开号:BR112019016562A2
    申请号:R112019016562-2
    申请日:2018-01-19
    公开日:2020-03-31
    发明作者:Damnjanovic Aleksandar；Montojo Juan；Wei Yongbin；Gaal Peter；Rico Alvarino Alberto；Teague Edward
    申请人:Qualcomm Incorporated；
    IPC主号:
    专利说明:

    DRONE USER EQUIPMENT INDICATION CROSS REFERENCE TO RELATED APPLICATIONS [0001] This Patent Application claims the benefit of US Provisional Application No. 62 / 458,551, entitled DRONE USER EQUIPMENT INDICATION, filed on February 13, 2017, and the Application Provisional US N62 / 458,558, entitled DRONE USER EQUIPMENT WITH HEIGHT CAPABILITY INDICATION, filed on February 13, 2017, which is attributed to the assignee and expressly incorporated herein by reference in its entirety.
    TECHNICAL FIELD [0002] The various aspects and modalities described here generally refer to indications of aircraft user equipment (EU) that can be transported to a wireless network in such a way that the wireless network can
    differentiate the way like the communications are treated for an UE by drone operating in the air in relation to an UE operating on the ground.FUNDAMENTALS[0003] The systems communication without wires if developed through of various generations, including a
    first generation analog wireless telephone service (1G), a second generation digital wireless telephone service (2G) (including 2.5G and 2.75G intermediary networks), third generation high-speed data (3G), wireless service enabled for Internet and a fourth generation (4G) service (for example, Long Term Evolution (LTE) or WiMax). A fifth generation (5G) service (for example, Nova Rádio (NR)) was proposed with the aim of providing greater capacity than current 4G services, allowing
    Petition 870190077159, of 08/09/2019, p. 8/58
    2/36 more mobile broadband users per unit area and larger or unlimited amounts of data are consumed per user.
    [0004] Currently, there is an effort to enable unmanned aircraft systems (UAS), also known as unmanned aerial vehicles (UAVs) or, more commonly, as drones, to operate on commercial LTE networks and networks of the future, including 5G. The objective is to allow future UAS operations, such as Beyond the Visual Line of Vision (BVLOS), as the regulations evolve to allow them. The ability to fly beyond an operator's visual range can allow for successful delivery, remote inspection and exploration. Wireless technology can bring many advantages to drones, such as ubiquitous coverage, high-speed mobile support, robust security, high reliability and quality of service (QoS).
    [0005] However, drones can operate in different radio conditions than devices on the ground, as the interference conditions at higher altitudes differ from the interference conditions on the ground. In addition, interference conditions may vary depending on when a drone may be operating. In general, a wireless network may find it difficult to differentiate between drones and ground devices and / or between drones operating at different heights. In addition, the radio resource management (RRM) used to manage channel interference, radio resources and other radio transmission characteristics in wireless communication systems may not be optimized to take
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    3/36 taking into account the different radio conditions under which drones and grounding devices operate.
    SUMMARY [0006] Below is a simplified summary of one or more aspects and / or modalities described here. Thus, the following summary should not be considered as a comprehensive overview related to all aspects and / or modalities contemplated, nor should the following summary be considered to identify key or critical elements related to all aspects and / or incorporations contemplated or to outline the scope associated with any particular aspect and / or modality. Therefore, the following summary has the sole purpose of presenting certain concepts related to one or more aspects and / or modalities related to the mechanisms disclosed here in a simplified way to precede the detailed description presented below.
    [0007] According to. In many respects, a method for providing a drone UE indication for a wireless network may be to introduce a new category of drone UE, in which a drone UE can carry a drone UE indicator to the wireless network while connect to the wireless network. For example, in several embodiments, the drone UE can carry the drone UE indicator using radio Resource Control (RRC) signaling (for example, as an Informational Element (IE) included in an RRC connection request) . In. other examples, the drone UE indicator can be carried using non-access layer (NAS) signaling during a NAS fixation procedure, using
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    4/36
    Media Access Control (MAC) during a Random Access Procedure (RACK), etc. In addition, in several embodiments, the drone UE indicator can be dynamically configured, in which a drone UE can carry the drone UE indicator through RRC signaling, a MAC control element, etc. when the drone UE starts flying and subsequently indicates a switch to a non-drone UE (or ground UE) until it lands. In various modalities, the drone UE category can further support a heavy uplink (UL) traffic configuration because the drone UEs can often be used for current video, images, etc. on the uplink whereas ground UEs may have higher downlink (DL) traffic demands.
    [0008] According to several aspects, another method for providing a drone UE indication for a wireless network may be to introduce an additional category of drone UEs specific to drone UEs that have a capability to report a height for the wireless network. For example, when connecting to the wireless network, a drone UE with appropriate height reporting capability can indicate such capabilities and be configured to subsequently report a current height level with or without other measurements. According to various modalities, the drone UE height report can be periodic, event (for example, when the height crosses above and / or. Below certain values), based on events and periodicals, combined with other measurements and RRM reports, etc. Base stations may find the height information of the drone UE useful for configuring the
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    5/36 power control, manage interference, provide mobility management, generate neighbor list, control beam conformation, and / or implement procedures to configure and / or manage any suitable radio resource (for example, stratum signaling) access).
    [0009] Other objectives and advantages associated with the aspects and modalities disclosed here will be evident to the person skilled in the art based on the attached drawings and detailed description.
    BRIEF DESCRIPTION OF THE DRAWINGS [0010] A more complete appreciation of the various aspects and modalities described here and many of its advantages will be readily obtained as it becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings that are presented for illustration only and not limitation, and where:
    [0011] Figure 1 illustrates an exemplificative wireless communications system in which a drone user device (UE) can operate, according to several aspects.
    [0012] Figure 2 illustrates an exemplary drone UE that can be configured according to the various aspects and modalities described here.
    [0013] Figure 3 illustrates an exemplary method for providing a drone UE indication for a wireless network, according to several aspects.
    [0014] Figure 4 illustrates an exemplificative method for providing a drone UE indication
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    6/36 with height reporting capabilities for a wireless network, according to several aspects.
    DETAILED DESCRIPTION [0015] Various aspects and modalities are disclosed in the following description and related drawings to show specific examples regarding exemplary aspects and modalities. Alternative aspects and modalities will be evident to people qualified in the relevant technique when reading this description, and can be constructed and practiced without departing from the scope or spirit of the disclosure. In addition, well-known elements will not be described in detail or may be omitted so as not to obscure the relevant details of the aspects and modalities described herein.
    [0016] The word example is used here to mean serving as an example, example or illustration. Any modalities described herein as exemplary are not necessarily to be interpreted as preferred or advantageous over other modalities. Likewise, the term modalities does not require that all modalities include the discussed feature, advantage or mode of operation.
    [0017] The terminology used here describes only particular modalities and should not be interpreted as limiting any modalities disclosed herein. As used herein, singular forms one, one, o and a are intended to include plural forms as well, unless the context clearly indicates otherwise. Persons skilled in the art will further understand that the terms comprise, understand, include and / or
    Petition 870190077159, of 08/09/2019, p. 13/58
    7/36 including, as used herein, specify the presence of characteristics, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other characteristics, integers, steps, operations, elements, components and / or groups thereof.
    [0018] In addition, several aspects and / or modalities can be described in terms of sequences of actions to be performed by, for example, elements of a computing device. Persons skilled in the art will recognize that various actions described herein can be performed by specific circuits (for example, an application-specific integrated circuit (ASIC)), by program instructions being executed by one or more processors, or by a combination of both . In addition, these sequences of actions described here can be considered to be incorporated entirely into any form of non-transitory computer-readable medium having stored a corresponding set of computer instructions that, upon execution, would cause an associated processor to execute the functionality described here. Thus, the various aspects described here can be incorporated in several different forms, all of which were considered to be within the scope of the subject matter. In addition, for each of the aspects described here, the corresponding shape of any of these aspects can be described here as, for example, logical configuration for and / or other structural components configured to perform the described action.
    [0019] As used herein, the term equipment
    Petition 870190077159, of 08/09/2019, p. 14/58
    8/36 drone user (or drone UE) and its variants may refer to an unmanned aircraft system (UAS) or an unmanned aerial vehicle (UAV) associated with a drone operator. A drone can be autonomous (auto-navigable), remotely controlled, server controlled, flagged or controlled using multiple control methods in combination. A drone can be used for various purposes, such as conducting aerial surveillance, monitoring the weather, performing a communication relay function, performing data collection, deploying various commercial and military systems, delivering packages or other purposes. A drone can be owned and operated by a drone operator, which can include an individual, a commercial or civilian operator or another private, public or commercial third party, and can be configured to communicate over a suitable wireless network as a Long Term Evolution (LTE) network, a Nova Rádio (NR) network and / or similar.
    [0020] As used · here, the terms area, coverage area, geographic area and its variants can interchangeably refer to various ways of delineating or denoting area or space. For example, an area, as used here, can denote a general area, such as a street address or a single point location, such as a GPS coordinate. The area associated with a point or location can also include a radius around the point or location, including a vertical radius that extends into the airspace above the point or location. An area can also refer to a series of points, which can be denoted using coordinates such as GPS coordinates. THE
    Petition 870190077159, of 08/09/2019, p. 15/58
    9/36 series of points can mark a linear, circular or irregular boundary. An area can also refer to the air space above the ground. An area can therefore include ground located within a particular boundary or around a specific location and the airspace directly above and extending to a certain altitude above the designated ground (for example, including buildings, obstructions, character! terrain, etc.).
    [0021] According to several aspects, Figure 1 illustrates a system. without communications. exemplary wires 100 on which a drone user (UE) equipment can operate. For example, in various modalities, wireless communication system 100 can be configured as a wireless wide area network (WAN), such as a cellular network, which can use cellular telecommunications network technology to enable mobile devices
    wireless, like ce phones lular, c ompu t. The. r and s type tablet, assist digital tests personal (PDAs), UAVs and / or other devices you without wires furniture, to transmit : go and receive data on mobile or est a great base area. and geogr á f i c a use n d o t orres [0022] In many modalities, the system was going to communications without 100 wires can include at least one EU from
    drone 110, a wireless network 140, es base itations 120 (which, in LTE :, are referred to as Bs Node η 4 'írev o ± u_lG.o t eNodeBs, or el MBs and, in NR, as Bs Node and next generation,
    gNodeBs, or gNBs), one. location server 160 (which, in LTE, can be an Advanced Service Mobile Location Center (E-SMLC) or a Secure User Plan Location (SUPL) Location Platform (PLP)), and the Internet 150.
    Petition 870190077159, of 08/09/2019, p. 16/58
    10/36
    In the example illustrated in Figure 1, each base station 120 includes three antenna sets, which include individual antenna sets 122a, 122b, 122c, collectively referred to as antenna sets 122. Each antenna set 122a, 122b, 122c can include one or more transmit and receive antennas and correspond to a cell of base station 120 that can provide cellular connectivity to a drone UE 110 within a coverage area associated with it. Antenna assemblies 122a, 122b, 122c can interact with drone UE 110 via downlink (DL) and / or uplink (UL) connections. In general, the DL corresponds to communication from an antenna array 122a, 122b, or 122c to the drone UE, while the UL corresponds to communication from the drone UE 110 to an antenna array 122a, 122b, or 122c.
    [0023] The wireless aerial interfaces associated with each base station 120, and therefore the antenna assemblies 122a, 122b, 122c associated with. each, base station 120, can operate according to one or more of several radio access technologies (RATs) depending on the network in which they are deployed. These networks may include, for example, Code Division Multiple Access Networks (CDMA), Time Division Multiple Access Networks (TDMA), Frequency Division Multiple Access Networks (FDMA), FDMA Orthogonal Networks (OFDMA) , FDMA Single Carrier Networks (SC-FDMA) and so on. The terms network and system are often used interchangeably. A CDMA network can implement a RAT such as Universal Terrestrial Radio Access (UTRA), cdma2000, etc. UTRA includes broadband CDMA (W-CDMA) and Low Rate
    Petition 870190077159, of 08/09/2019, p. 17/58
    11/36 Chip (LCR). The cdma2000 covers the 13-2000, IS-95 and IS-856 standards. A TUMA network. can implement a RAT, such as ο Global System for Mobile Communications (GSM). An OFDMA network can implement a RAT such as UTRA Evolucion (EUTRA), IEEE 802.11, IEEE 8 02.16, IEEE 8 02.20, Flash-OFDM® etc., UTRA, E-UTRA and GSM are part of Universal System of Mobile Telecommunications (UMTS). LTE is a version of UMTS that uses E-UTRA. UTRA, E-UTRA, GSM, UMTS and LTE are described in documents from an organization called Partnership Project, 3 Generation (3GPP). The cdma2 000 is described in publicly available documents from an organization called Partnership Project 3 Generation 2 (3GPP2).
    [0024] G antenna set. 122a, 122b, or
    122c providing wireless service to a private drone UE 110 or other wireless mobile device is referred to herein as the server cell or server antenna. Antenna sets, non-server 122 that the drone UE 110 can properly detect are referred to as neighboring cells or neighboring antennas, and may be the non-server antenna sets 122 of base station 120 having the server antenna set 122 and / or sets antenna 122 from another nearby base station 120 (other nearby base stations). Thus, for example, as the drone UE 110 moves through wireless communications system 100, a first array of antenna 122 from a first, base station 120 may serve the drone UE 110 in one location, and in others locations, the drone UE 110 can be served through a different set of antenna 122 from the first base station 12 0, a set of
    Petition 870190077159, of 08/09/2019, p. 18/58
    12/36 antenna 122 from a second station here, the term cell can be actual antenna 122a, 122b, or base 120c 122c, etc. As used to refer to the array providing cellular connectivity in the coverage area of the antenna array 122a,
    122b, or 122c, or to the coverage area of the antenna assembly 122a, 122b, or 122c.
    [0025] Base stations 120 can be connected to certain geographic areas and therefore can be used to allow and / or assist the positioning of drone UE 110. Such positioning can be used, for example, as a complement and / or an alternative to other positioning technologies (for example, Satellite Positioning System (SPS)). The positioning of drone UE 110 using base stations 120 can be based on measurements that indicate the distance between the drone UE 110 and base stations 120. For example, each set of antennas 122a, 122b, 122c of base stations 120 can be configured to transmit radio frequency (RF) signals (such as cell-specific reference signals (CRS) and / or positioning reference signals (PRS)) to enable drone UE 110 to measure RF signal timing differences between pairs of '' cells '' pairs of antenna assemblies 122a, 122b, 122c). The drone UE 110 can calculate an estimate of a position associated with it based on these timing difference measurements or send the measurements to the location server 160 (for example, using the observed difference in arrival (OTDOA) positioning) for allow location server 160 to estimate the position of drone UE 110. Base stations 120 can be coupled so
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    13/36 communicative to the wireless network 14 0 (for example, a cellular network), which can be connected communicatively with the
    Internet 150. Location server 160 can also be communicatively coupled to Internet 150. Thus, drone UE 110 can communicate time difference measurements and / or an estimated location to location server 160 via Internet 150 and / or other connected communication network (data communication networks) through a first communication link 133 to one or more base stations 120 and / or through one. second communication link 135 used to access the Internet 150 (for example, over a local wireless network).
    [0026] Persons skilled in the art will assess that Figure 1 provides only a generalized illustration of various components, any or all of which can be used as appropriate, and each of which can be duplicated as needed. For example, although only one drone UE 110 is illustrated in Figure 1, more than one drone UE 110 may be present in wireless communication system 100. In addition, in many cases, it may be one or more ground UEs present in wireless communication system 100 together with drone UE 110 and any other drone UEs that are not explicitly shown in Figure 1. Likewise, wireless communication system 100 may include more base stations 120 than three base stations 120 shown on. Figure 1. Even so, in some implementations, wireless communications system 100 may have fewer base stations 120. In addition, although base stations 120 are illustrated in Figure 1 as having three
    Petition 870190077159, of 08/09/2019, p. 20/58
    14/36 antenna sets 122 (and thus three cells) forming a triangle, the person skilled in the art will evaluate, which can be more or less antenna sets 122 and / or antenna sets 122 can be arranged in different formats. In addition, components can be rearranged, combined, separated, replaced and / or omitted. Those skilled in the art will recognize many modifications to the illustrated components.
    [0027] The various aspects and modalities described here contemplate that the drone UE 110 can be implemented using any of several suitable drone configurations. For example, a flight power source for the drone UE 110 may be one or more propellers that generate sufficient lifting force to lift the drone UE 110 (including the structure, engines, electronics and associated power source) in addition to any charges that can be connected to the drone UE 110. The flight power source can be powered using one. source of electrical energy such as a battery. Alternatively, the flight power source may be a fuel-controlled engine, such as one or more internal combustion engines. Although the present disclosure is directed to examples of drones controlled by electric motors, the concepts disclosed herein can be applied equally to drones powered using virtually any energy source. Flight power sources can be mounted vertically or horizontally depending on the flight mode of the drone UE 110. In addition, the drone UE 110 can be configured with processing and communication devices that allow the drone UE 110 to navigate, such as how through
    Petition 870190077159, of 08/09/2019, p. 21/58
    15/36 control of flight engines to obtain flight directionality and to receive position information and information from other system components including flags, servers, access points and so on. Position information can be associated with the current position of the drone, route points, flight paths, escape routes, altitudes, destination locations, charging station locations, etc.
    [0028] In general, a common configuration suitable for use in the various aspects and modalities described here is a quadcopter configuration, as shown in Figure 1. In an example of a quadcopter configuration, typically four propellers and rotary lift motors configured horizontally they are fixed to a frame, although more or less propellers and lifting motors can be used. The frame can include a frame structure with landing pads, which supports the propulsion engines, power source (for example, battery), payload safety mechanism, and so on. A payload can be fixed in a central area below the frame structure platform of the drone UE 110 (for example, in an area, bounded by the frame structure and skids under the flight power sources or propulsion units ). A quadcopter-style horizontal rotor drone can fly in any unobstructed horizontal and vertical direction or hover in one place. In the example shown in Figure 1, a quadcopter drone configuration is used for illustrative purposes. However, other designs can be used.
    [0029] According to several aspects, the Figure
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    16/36 illustrates an exemplary drone UE 200 that can be configured according to the various aspects and modalities described here. For example, in the particular embodiment illustrated in Figure 2, the drone UE 200 can include several rotors 202, a frame 204 and landing pads 206. The drone UE 200 can also include a control unit 210 that can accommodate several circuits and devices used to power and control the operation of the drone UE 200, including engines to power rotors 202, a battery, a communication module, and so on. Frame 204 can provide structural support for the engines associated with rotors 202, landing pads 206 and can be strong enough to withstand the maximum load weight for the combination of drone UE components 00 and, in some cases, a payload 208, shown in Figure 2 as including a camera 240. For ease of description and illustration, some detailed aspects of drone UE 200 are omitted such as wiring, frame structure interconnections, and / or other features that would be known by people skilled in the art. For example, while the drone UE 200 is shown and described as having a frame 204 and having several support members or frame structure, the drone UE 200 can be constructed using a molded frame in which support is obtained through the structure molded. In the illustrated embodiments, the drone UE 200 has four rotors 202. However, more or less than four rotors 202 can be used.
    [0030] In various modalities, roller skates
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    17/36 landing 206 of drone UE 200 may, be provided with or otherwise coupled with landing sensors 256. Landing sensors 256 may be optical sensors, radio sensors, camera sensors or other sensors . Alternatively or additionally, the landing sensors 256 can be contact or pressure sensors that can provide a signal that indicates when
    the UE from c irone 200 contacted a s surface. In somebody but π iodal.id.ades, the landing sensors gem 256 can to be cldâ.p t : .ad.os to provide the capacity a d 1 c .1. the n to 1. of carr egar a battery of drones when the UE drone 2 00
    it is positioned on a suitable landing pad, such as through cargo connectors (not shown explicitly in Figure 2). In some embodiments, the 256 landing sensors can provide additional connections to a landing platform, such as wired communication or control connections.
    [0031] In several embodiments, the drone UE 200 may further be equipped with a payload safety unit 212. The payload safety unit 212 may include an actuator motor configured to drive one. clamping and releasing mechanism and related controls that respond to control unit 210 to grasp and release payload 208 in response to commands from control unit 210.
    [0032] According to. several aspects, in the example of the configuration shown in. 2, control unit 210 can include a processor 220, a radio module 230, and a power module 250. Processor 220 can include or be coupled to a memory unit 221 and
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    18/36 a navigation unit 225. The processor 220 can be configured with executable instructions per processor to control flight and other operations of the drone UE 200, including operations of the various modalities. Processor 220 can be coupled to the payload safety unit 212 and landing sensors 256. Processor 220 can be powered from a power module 250, such as a battery. Processor 220 can be configured with executable instructions per processor to control the loading of the power module 250, such as by executing a load control algorithm using a load control circuit. Alternatively or additionally, the 250 power module can be configured to manage its own load. Processor 220 can be coupled to a motor control unit 223 that is configured to manage the motors that drive. rotors 202. While the various components of control unit 210 are illustrated in. Figure 2: separate components, the person skilled in the art will assess that some or all components (for example, processor 220, engine control unit 223, radio module 230, and other units) can be integrated together into one single device or module, such as a system-on-chip module.
    [0033] According to several aspects, by controlling the individual motors of rotors 202, the UE of the drone 200 can be controlled in flight as the UE of the drone 200 progresses towards a destination. Processor 220 can receive data from the navigation unit 225 and use that data to determine the position and
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    19/36 rone 2 00, as well as the course 10. In some embodiments, to include a satellite receiver system (GNSS) (by GPS) allowing the UE's GNSS. For example, such as Global Navigation Navigation, generally refer to satellite navigation, Global Usage (GPS), and · GLONASS used by for civilian use in the Union and terrestrial communication that are based on independent satellite or navigation.
    In addition, the current UE guidance unit is appropriate towards the navigation unit 225 can of Global Navigation System; example, one or more drone 200 receivers navigate using signals; used here, the term Satellite System ”,” GNSS and its varies any of the various systems such as the P <System deployed in the United States, Russian military and European Galilee, as well as systems that increase navigation signals provide information of Alternatively or of form;
    navigation 225 can be equipped with. radio navigation receivers to receive navigation signals or other signals from radio nodes, such as navigation signals, wireless local area network (WLAN) access points, cellular network locations, radio stations, etc. In addition, processor 220 and / or a. navigation unit 225 can be configured to communicate with a server over a wireless connection (for example, a cellular data network) to receive useful navigation data, as well as to provide real-time position reports. An anionic module 229 coupled to processor 220 and / or navigation unit 225 can be configured to provide information related to flight control such as altitude, attitude, speed, position and information
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    20/36 similar that the navigation unit 225 can use for navigation purposes, such as counting between GNSS position updates. The anionic module 229 can include or receive data from a gyroscope / accelerometer unit 227 that provides data regarding drone 200 EU orientation and accelerations that can be used in navigation calculations.
    [0034] According to various aspects, the radio module 230 can be configured to receive navigation signals, such as location signals from nearby base stations, signals from air navigation facilities, etc., and supply such signals to the processor 220 and / or navigation unit 225 to assist in navigation by drones. In standard applications, the 2zo navigation unit may use signals received from recognizable radio frequency (RF) transmitters (for example, AM / FM radio stations, WLAN access points and base stations). cellular network) on the ground. The locations, unique identifiers, individual forces, frequencies and other information characteristic of such RF emitters can be stored in a database and used to determine the position (for example, by triangulation and / or trilateration) when RF signals are received at the radio module 230. Such a database of RF emitters can be stored in memory unit 221 of the drone UE 200, on a ground-based server in communication with. processor 22 0 via a wireless link, or in a combination of memory unit 221 and a ground-based server. Browsing using information about RF emitters can use any of several conventional methods. Per
    Petition 870190077159, of 08/09/2019, p. 27/58
    21/36 example, when receiving an RF signal through radio module 230, processor 220 can obtain a unique identifier (for example, an SSI), a media access control (MAC) address, radio station, cell identification, etc.), associated with the signal and use this information to obtain the ground coordinates and the strength of the · detected RF emitter signal · from the RF emitter characteristics database. If the database is stored in the onboard memory unit 221, processor 220 can use the RF emitter identifier information to perform a table search on the database. Alternatively or additionally, processor 220 may use radio module 230 to transmit the detected RF emitter identifier to a Location Information Service (LIS) server, which can return a location of the RF emitter as obtained from an RF emitter location database. Using the RF emitter's coordinates and, optionally, the signal strength characteristics, processor 220 (or navigation unit 225) can estimate the location of drone UE 200 in relation to those coordinates. Using locations of three or more RF emitters detected by the radio module 230, processor 220 can determine a more accurate location through trilateration. Location estimates with. based on received terrestrial RF emitters can be combined with position information from a GNSS receiver to provide more accurate and reliable location estimates than possible with either method.
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    22/36 [0035] According to blush. In several respects, processor 220 can use radio module 230 to conduct sera communications, wires with one or more wireless communication devices 270 as a beacon, a server, smart phone, tablet or other device with which the drone UE 200 can be in. Communication. A bidirectional wireless communication link 234 can be established between the transmit / receive antenna 232 of the radio module 230 and the transmit / receive antenna 272 of the wireless communication device 270. For example, the wireless communication device 270 can be a cellular network base station or cell tower. The radio module 230 can be configured to support multiple connections to different wireless communication devices 270 having different radio access technologies. In some embodiments, the wireless communication device 27 0 can be connected to a server or provides access to. one. server. In one example, the wireless communication device 270 may be a drone operator's server, a third party service (for example, package delivery, billing, etc.), etc. The wireless communication device 270 may alternatively and / or also be a server associated with the operator of the drone UE 200, which can communicate with the drone UE 200 through a local access node or through a maintained data connection through one. cellular connection. In several embodiments, the drone UE 200 can communicate with a server via an intermediate communication link, such as one or more network nodes or other communication devices.
    [0036] According to several aspects, the module
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    Radio 23/36 230 can be configured to switch between one between a cellular connection and a WLAN connection depending on the location and altitude of the drone UE 200. For example, while in flight at an altitude designated for drone traffic, the module radio station 230 can communicate with one. cellular infrastructure to maintain communications with a server (for example, wireless communication device 270). An example of a flight altitude for the drone UE UE 00 can be about 400 (four hundred feet) or less, as designated by a government authority (eg FAA) for drone flight traffic . At this altitude, establishing communication with some of the wireless communication devices 270 using short-range radio communication links (for example, WLAN links) can be difficult. Therefore, communications with other wireless communication devices 270 can be established using cellular telephone networks while the drone UE 200 is at flight altitude. Communication between the radio module 230 and the wireless communication device 270 can transition to a short-range communication link (for example, a WLAN or Bluetooth link) when the drone UE 200 approaches the communication device wireless 270.
    [0037] According to various aspects, drones such as drone UE 110 illustrated in Figure 1, drone UE 200 illustrated in Figure 2, etc. it can generally operate under radio conditions that differ from the radio conditions under which devices on the ground operate. For example, among other differences, the interference conditions that exist at higher altitudes can
    Petition 870190077159, of 08/09/2019, p. 30/58
    24/36 differ substantially from interference conditions on the ground (for example, because there may be fewer obstructions, fewer nearby devices transmitting and receiving wireless signals, etc.). Interference conditions in the air can vary depending on when a drone may be operating. As such, in addition to potentially having difficulty differentiating between ground UEs and drone UEs (for example, high altitude), a wireless network may have difficulty distinguishing between drone UEs operating at different heights. In addition, the radio resource management (RRM) used to manage channel interference, radio resources and other radio transmission characteristics in wireless communication systems may not be optimized to handle the different radio conditions under which drones and ground devices operate.
    [0038] As such, according to several aspects, the Figure. 3 illustrates an exemplificative method 300 for providing a drone UE indication for a wireless network, which can help the wireless network to at least distinguish between ground UEs and drone UEs configured to operate at higher altitudes. In general, according to several modalities, one. Drone UE can transmit a drone UE indicator to the wireless network in block 310. As such, based on the drone UE indicator, the wireless network can differentiate the drone UE that can operate at higher altitudes at from other UEs that had only operated on the ground. For example, in several modalities, the drone UE indicator can withstand a heavy uplink (UL) traffic configuration because drone UEs can
    Petition 870190077159, of 08/09/2019, p. 31/58
    25/36 often be used for current video, images, etc. on the uplink while solo UEs may have higher downlink (DL) traffic demands. In several embodiments, the drone UE indicator can be transmitted to the wireless network when the drone UE connects to the wireless network. For example, in various embodiments, the drone UE can carry the drone UE indicator using Radio Control Resource (RRC) signaling (for example, as an Informational Element (IE) included in a transmitted RRC connection request. , to the wireless network when transitioning from idle to connected mode. In another
    example /, the indicator in Drone eu can be betrayed isport ado using s i. n. a 11. z a ç a et e es I do not access (NAS) d l i rante one I proceeded fixing segment :to from DAS to 1. ixar the net s in f i o s
    (for example, during initial startup), using Media Access Control (MAC) signaling during a Random Access Procedure (RACK), and / or in other appropriate ways. Consequently, as will be evident to persons skilled in the art, the drone UE indicator can be properly transported to the wireless network using existing signaling procedures through which a UE can indicate a category associated with it. In particular, the aforementioned signaling procedures are conventionally used to indicate a UE category that defines combined and / or combined uplink and downlink capabilities. other suitable capabilities such that the wireless network can communicate with the UE correctly based on the applicable category. In the present case, the drone UE indicator can carry that the UE is an unmanned aircraft system having
    Petition 870190077159, of 08/09/2019, p. 32/58
    26/36 flight, which can provide the wireless network with. the ability to differentiate drone UEs a. from the ground UEs and properly configure communications for a particular UE depending on whether the UE is operating in the air or on the ground.
    [0039] According to several aspects, the drone UE can alternatively and / or additionally transmit the drone UE indicator to the wireless network in block 310 in response to one. event trigger. For example, in various modalities, event triggering can be the start of a flight, in which case the drone UE indicator can be transmitted to the wireless network when the UE
    by drone start flying (for example, t r a v is s d e s i. n. to 1i. z ation of RRC, i im element of 3 'control IAC, etc.). In another example, the firing of event can: be reaching a certain
    aJ limit _tura, in that the EU indicator of drone r only by be broadcast gone to the wireless network when the U Έ by dr 'one reach the 1 .imit of height. In addition, wake up with several aspes - · ! - θ & / O drone eu indicator can to be c o n f i g u r e v 1 so dynamic, in which the EU's drone r > ode operate as a solo UE until if and / or when occurs one
    defined event trigger (for example, when the drone UE initiates a flight, crosses a particular height limit, etc.). In such examples, as represented in optional block 320, the drone UE may subsequently indicate a switch for a non-drone UE (e.g., solo) in response to the determination that a suitable event trigger has occurred. For example, in several modalities, the drone UE can indicate the switch to a ground UE or another suitable non-drone UE until it lands, after the crossing below
    Petition 870190077159, of 08/09/2019, p. 33/58
    27/36 of a particular height limit (for example, the same or a different height limit that is used as the trigger to report the drone UE indicator), etc.
    [0040] Consequently, carrying the drone UE indicator and / or indicating a switch to a non-drone UE (for example, solo) may allow the wireless network to properly configure communications based on the radio conditions that may exist for the particular UE, which can be different on the ground and in the air. For example, signal strengths can be substantially stronger in the air than signal strengths in the ground, due to the conditions of free space propagation that exist in the air. In addition, the handover performance can be substantially superior in the air due to the increased stability of signals with free space propagation in relation to the signals that are subject to multipath, shading and disorder experienced on the ground. Other potential differences in radio conditions that exist in the air versus radio conditions on the ground can include, but are not limited to, drone UEs potentially causing more uplink interference on the network compared to ground UEs because the spread of free space increases the interference energy received in neighboring cells, where more uplink interference can be experienced with the increase in the number of drone UEs present in the wireless network.
    [0041] Consequently, with. based on. at least in the previous considerations, transmitting the drone UE indicator and / or indicating a switch to a non-drone UE (for example, solo) may allow the wireless network
    Petition 870190077159, of 08/09/2019, p. 34/58
    28/36 whether a particular EU is operating on the ground or in the air at any point in time. The wireless network can therefore configure communications appropriately, depending on whether the UE is operating on the ground or in the air. For example, a possible optimization may be related to energy control, in which the uplink interference that occurs when a UE operates in the air can be reduced with open-loop energy control (OLPC) approaches used to define a signal strength on the server cell and limit interference. of neighboring cells using downlink path loss estimate. As such, the wireless network may be able to support many more drone UEs with. high uplink data rates without causing excessive interference. network or degrade the performance of UEs on the ground, which may allow the wireless network to support substantial numbers of drone UEs with high bandwidth high connection transmission requirements (for example, to support use cases high resolution video streaming).
    [0042] According to several aspects, using the drone UE indicator allowing the wireless network to differentiate UEs operating in the air from UEs operating on the ground can also support optimizations related to the generation of neighbor lists. For example, in a typical approach, the wireless network can receive reports from connected UEs regarding which cells are detected, which are then used to create lists of neighbors to support mobility. However, because radio conditions in the air differ from radio conditions in the ground, detectable cells in the air may be different from cells
    Petition 870190077159, of 08/09/2019, p. 35/58
    29/36 detectable conformity in van modalities, the wireless network can configure a list of neighbors for UEs that are operating on and a second list of neighbors for UEs operating in the air, where the drone's UE indicator can allow the network wirelessly configure the list of neighbors appropriately for one of the
    UE is airborne or several more illustrates another method 400 for providing a drone UE for a wireless network. More particularly, method 400 shown in Figure 4 can be used to indicate a drone UE that also has height reporting capabilities, which can allow the wireless network to further differentiate between drone UEs that are operating at different heights. According to various modalities, in block 410, a drone UE that has appropriate height reporting capabilities can transmit a drone UE with height reporting capability indicator to the wireless network. In various modalities, a special indicator can be used to convey that the UE is a drone UE that has height reporting capabilities. Alternatively, on. various modalities, the UE can indicate the status as a drone UE and separately indicate the height reporting capabilities (for example, in the same message, or in different messages). In several embodiments, a drone UE can generally have height reporting capabilities when equipped with suitable components that can obtain or otherwise provide an altitude alone or in combination
    Petition 870190077159, of 08/09/2019, p. 36/58
    30/36 with others with other information related to flight control (eg attitude, speed, direction, etc.). In various modalities, the drone UE and the altitude communication capability indicator (the indicators) can be transmitted (can, be transmitted) to the wireless network when the drone UE connects, to the wireless network and / or starts a flight. For example, in several modalities, the indicator (the indicators) can be transported (can be transported) using Radio Control Resource (RRC) signaling (for example, as an. Informational Element (IE) included in a network connection request. RRC), using non-access layer (NAS) signaling during a NAS fixation procedure, using Media Access Control (MAC) signaling during a
    Random Access (RACH), etc.
    [0044] According to several aspects, in block 42 0, the drone UE can report a current height level associated with. the wireless network by triggering any applicable height reporting condition (any conditions). For example, in several modalities, the drone UE can be configured to report the current height level associated with the wireless network at periodic intervals. In another example, a. Height reporting condition (conditions) can (can) be based (based) on an event, where the drone UE can be configured to report the current height level associated with it when crossing above or below a level of particular height. In other examples, the height reporting condition may be event based and periodic combined with other RRM measurements and reports, or. in
    Petition 870190077159, of 08/09/2019, p. 37/58
    31/36 otherwise configured. For example, in several modalities, the drone UE can be configured to report a location (for example, GPS coordinates) in combination with a current height, which can allow the drone UE to be located in three-dimensional airspace (for example , height above a location on the ground that maps to the reported location)). In another example, the drone UE can be configured to report a distance to one or more detected base stations, where the reported distance can be in relation to a service base station and estimated based on a detected timing difference from a received sync signal.
    Consequently, one or more base stations on the wireless network that are configured to communicate with the drone UE can find the reported height information, location information, distance information, etc. useful for configuring power control parameters, managing interference, providing mobility management, generating neighbor lists and / or implementing procedures to configure and / or manage any radio resource (for example, access layer signaling). In addition, the reported height level can be used to control beam conformation, alone or in combination with any location and / or distance information optionally provided, where one or more directional antenna can be pointed towards the UE from drone at least temporarily to thereby provide an optimal signal for the drone UE.
    [0045] According to several aspects, in a similar manner as described above with reference to
    Petition 870190077159, of 08/09/2019, p. 38/58
    32/36
    Figure 3, the drone UE with height capacity indicator (indicators) can be dynamically configurable, in which the drone UE can operate as a ground UE until and / or when a defined event trigger occurs (for example, example, when the drone UE starts a flight, it crosses a height limit, particular, etc.). In such examples, as represented in option block 430, the drone UE can subsequently indicate a switch to a non-drone UE in response to the determination that an appropriate event trigger has occurred (for example, until it lands, after crossing below a particular height limit, etc.). Alternatively and / or additionally, the drone UE can report a zero height level or a height level equivalent to a location on the ground until it lands.
    [0046] People skilled in the art will appreciate that information and signals can be represented using any one of them. variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols and chips that can be referenced throughout the description above can be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination of these.
    [0047] In addition, the person skilled in the art will appreciate that the various logical steps, modules, circuits and illustrative algorithms described in connection with the aspects described here can be implemented as electronic hardware, computer software or combinations of both. To clearly illustrate this interchangeability of
    Petition 870190077159, of 08/09/2019, p. 39/58
    33/36 hardware and software, several illustrative components, blocks, modules, circuits and steps have been described above, in general terms in terms of their functionality. Whether such functionality is implemented as hardware or software depends on. particular application and design constraints imposed on the system as a whole. Qualified technicians can implement the functionality described in various ways for each particular application, but such implementation decisions should not be interpreted as departing from the scope of the various aspects and modalities described here.
    [0048] The various illustrative logic blocks, modules and circuits described in connection with the aspects disclosed here 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 array (FPGA) or other programmable logic device, discrete or transistor logic gate, discrete hardware components or any combination of these designed to perform
    microprocessors, one or more microprocessors in conjunction with a DSP core, or any other configuration).
    Petition 870190077159, of 08/09/2019, p. 40/58
    34/36 [0049] The methods, sequences described in connection with the aspects here be incorporated directly into the hardware, and / or to 1 go r .1 as they can be used in a software module executed by a processor or in a combination
    dos doi s. a s o ’mo d u1o ttware can re isidir eir t RAM, memo r1a flash, ROM, EPROM, EEPROM, register .r adores, disco hard, a dis removable dog, a CD-ROM or any another f rma c ie middle readable by computer n O. The LI 3. Ώ. s itory
    known in the art. An exemplary non-transitory computer-readable medium can be coupled to the processor in such a way that the processor can read information and write information to the computer-readable non-transitory medium. Alternatively, the computer-readable non-transitory medium may be an integral part of the processor. The processor and the computer-readable non-transitory medium may reside in an ASIC. The ASIC can reside on a loT device. Alternatively, the processor and the computer-readable non-transitory medium may be separate components in a user terminal.
    [0050] In one or more exemplary aspects, the functions described here can be implemented in hardware, software, firmware or any combination thereof. If implemented in the software, the functions can be stored or transmitted as one or more instructions or code in a non-transitory computer-readable medium. Computer-readable media may include storage media and / or communication media, including any non-transitory medium that can facilitate the transfer of a computer program from one place to another. A storage medium can be any medium
    Petition 870190077159, of 08/09/2019, p. 41/58
    35/36 available that can be accessed by a computer. By way of example, and not limiting, these 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 medium that may be used. used to transport or store the desired program code in the form of instructions or data structures and which can be accessed by a computer. In addition, any connection is appropriately termed a computer-readable medium. For example, if the software is streamed from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies like infrared, radio and microwave, coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies, such as infrared, radio and microwave, are included in the definition of a medium. The term floppy and disc, which can be used interchangeably here, includes CD, laser disc, optical disc, DVD, floppy and Blu-ray discs, which generally reproduce data magnetically and / or optically with lasers. Combinations of the above items should also be included in the scope of computer-readable media.
    [0051] While the previous disclosure shows illustrative aspects and modalities, people skilled in the art will appreciate that various changes and modifications can be made here without departing from the scope of the disclosure as defined by the attached claims. In addition, according to the various aspects and illustrative modalities described here, people skilled in the art will assess that
    Petition 870190077159, of 08/09/2019, p. 42/58
    36/36 functions, steps, and / or actions in any methods described above and / or referenced in any attached claimed method do not need to be performed in any particular order. Furthermore, to the extent that any elements are described above or cited in the claims attached in a singular form, persons skilled in the art will appreciate that the singular forms contemplate the plural as well unless the limitation for the singular form (singular forms ) is explicitly stated.
    权利要求:
    Claims (30)
    [1]
    1 . Method for providing a drone user equipment indication, comprising: connecting to a wireless network by a UE having flight capabilities; and transmit, through the UE, a drone UE indicator to the wireless network to indicate that the UE is an unmanned aircraft system having flight capabilities.
    [2]
    2. Method according to claim 1, in which the drone UE indicator is transmitted to the wireless network as part of a Radio Resource Control (RRC) connection request when establishing the connection to the network without wires.
    [3]
    A method according to claim 1, wherein the drone UE indicator is transmitted to the wireless network during a non-access layer (NAS) fixation procedure when establishing the connection to the wireless network.
    [4]
    4. Method, according to claim 1, in which the drone UE indicator is transmitted to the wireless network using Media Access Control (MAC) signaling during a Random Access Procedure (RACK) when establishing the connection with the wireless network.
    [5]
    5. Method according to claim 1, wherein the drone UE indicator is transmitted to the wireless network in response to an event trigger related to one or more of the UE that initiates a flight or crossing above a threshold in height.
    [6]
    6. Method according to claim 1, further comprising indicating, by the UE for the wireless network, a switch to a soil UE mode in response to a
    Petition 870190077159, of 08/09/2019, p. 44/58
    2/8 event trigger related to one or more of the UE that lands or crosses below a height limit.
    [7]
    7. The method of claim 1, wherein the wireless network is configured to provide the UE with a uplink heavy traffic configuration based on the drone UE indicator.
    [8]
    8. Method according to claim 1, further comprising:
    estimating a distance to a detected base station based on a detected timing difference from a synchronization signal received from the detected base station; and report the estimated distance to the base station detected for the wireless network, at. that the estimated distance to the detected base station is reported in relation to a service base station.
    [9]
    9. Method according to claim 1, in which the UE has height reporting capabilities in addition to flight capabilities, and in which the drone UE indicator transmitted to the wireless network further indicates that the UE has the capabilities height report.
    [10]
    A method according to claim 9, further comprising:
    determine a current height level associated with the UE; and report the current height level to the network without
    [11]
    11. Method, according to. claim 10, in which the current height level is reported to the wireless network at one or more periodic intervals, based on the current height level crossing above or below a
    Petition 870190077159, of 08/09/2019, p. 45/58
    3/8 particular value, or in combination with other radio resource management measurements that are reported for, the network will be wired.
    [12]
    A method according to claim 10, wherein one or more base stations in the wireless network are configured to point one or more antenna, directional towards the UE based at least in part on the current level of aura.
    [13]
    13.. Apparatus, comprising:
    at least one processor configured to connect to a wireless network; and a transmitter configured to transmit a drone user equipment indicator (UE) to the wireless network to indicate that the device is an unmanned aircraft system that has flight capabilities.
    [14]
    Apparatus according to claim 13 in. that the drone UE indicator is transmitted to the wireless network as part of a Radio Resource Control (RRC) connection request, during a non-access layer (NAS) attachment procedure, or using Control signaling of Access to the Environment (MAC) during an Access Proceoimenlo; AissLoiio (R / xCti) to the conecrax to xed.e and in wires.
    [15]
    Apparatus according to claim 13, wherein the drone UE indicator is transmitted to the wireless network in response to an event trigger related to one or more of the apparatus that initiates a flight or crossing over a threshold in height.
    [16]
    16. Apparatus according to claim 13 in. that the transmitter is still configured to transmit,
    Petition 870190077159, of 08/09/2019, p. 46/58
    4/8 for the wireless network, information indicating a switch to a ground UE mode in response to an event trigger related to one or more of the device that lands or crosses below a height limit.
    [17]
    Apparatus according to claim 13, wherein the at least one processor is further configured to estimate a distance to a detected base station based on a detected timing difference from a synchronization signal received from the detected base station and to report, for the wireless network, the estimated distance to the detected base station in relation to a service base station.
    [18]
    18. Apparatus according to claim 13, wherein:
    the drone UE indicator transmitted to the wireless network still indicates that the device has height reporting capabilities, and at least one processor is still configured to determine a current height level associated with the device and report the height level current to the network without
    [19]
    19. Apparatus according to claim 18, in which the current height level is reported to the wireless network at one or more periodic intervals, based on the crossing of the current height level above or below a particular value, or in. combination with other radio resource management measurements that are reported for the wireless network.
    [20]
    Apparatus according to claim 19, in. that one or. more base stations in the network without. wires are
    Petition 870190077159, of 08/09/2019, p. 47/58
    5/8 configured to point one or more directional antenna at. towards the device based at least in part on the current height level.
    [21]
    21. Apparatus, comprising:
    means for detecting a wireless network; and means for transmitting a drone user equipment indicator (UE) to the wireless network to indicate that the device is an unmanned aircraft system that has flight capabilities.
    [22]
    22. Apparatus according to claim 21, wherein the drone UE indicator is transmitted to the wireless network as part of a Radio Resource Control (RRC) connection request, during a fixing procedure (NAS ) of non-access layer, or using Media Access Control (MAC) signaling during a Random Access Procedure (RACH) when connecting to the wireless network.
    [23]
    23. Apparatus according to claim 21, wherein the drone UE indicator is dynamically configurable such that the drone UE indicator is transmitted to the wireless network in response to an event trigger related to one or more more from the device that initiates a flight or crossing above a height limit and information is transmitted to the wireless network to indicate a switch to a ground EU mode in response to an event trigger related to one or more of the device that lands or crosses below a height limit.
    [24]
    24. Apparatus according to claim 21, further comprising:
    means to estimate a distance to a station
    Petition 870190077159, of 08/09/2019, p. 48/58
    6/8 base detected based on a detected timing difference from a synchronization signal received from the detected base station; and means for reporting the estimated distance to the detected base station for the sera wires network was in relation to a service base station.
    [25]
    25. Apparatus, according to claim 21, was that the drone UE indicator transmitted to the wireless network still indicates that the apparatus has height reporting capabilities, and in which the apparatus further comprises:
    means for determining a current height level associated with the apparatus; and means for reporting the current height level to the network will be wired at one or more periodic intervals, based on crossing the current height level above or below a particular value, or in combination with other resource management measurements. radio that are reported to the wireless network.
    [26]
    26. Apparatus according to claim 18, wherein one or more base stations in the wireless network are configured to point one or more directional antenna towards the apparatus based at least in part on the current height level.
    [27]
    27. Computer-readable medium that stores computer-readable instructions, stored computer-readable instructions configured to make a mobile device:
    connect to a wireless network; and transmit a drone user equipment indicator (UE) to the wireless network to indicate that the mobile device is an unmanned aircraft system
    Petition 870190077159, of 08/09/2019, p. 49/58
    7/8 that has flight capabilities.
    [28]
    28. Computer readable medium according to claim 27, in which the drone UE indicator is transmitted to the wireless network as part of a Radio Resource Control (RRC) connection request, during a fixation (NAS) of non-access layer, or using Media Access Control (MAC) signaling during a Random Access Procedure (RACK) when the mobile device is connecting to the wired network.
    [29]
    29. Computer-readable medium according to claim 27, wherein the drone UE indicator is dynamically configurable such that the drone UE indicator is transmitted to the wireless network in response to an event trigger related to one or more of the mobile device that initiates a flight or crossing over a height limit and information is transmitted to the wireless network to indicate a switch to a ground UE mode in response to an event trigger related to a or more of the mobile device that lands or crosses below a height limit.
    [30]
    30. Computer-readable medium according to claim 27, in which:
    the drone UE indicator transmitted to the wireless network still indicates that the mobile device has height reporting capabilities, and the stored computer-readable instructions are still configured to cause the mobile device to determine a current height level associated with the mobile device and report the current height level for the
    Petition 870190077159, of 08/09/2019, p. 50/58
    8/8 wireless network at one or more periodic intervals, with. based on the current height level crossing above or below a particular value, or in combination with other radio resource management measurements that are reported for the wireless network.
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    法律状态:
    2021-10-13| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    US201762458551P| true| 2017-02-13|2017-02-13|
    US201762458558P| true| 2017-02-13|2017-02-13|
    US62/458,558|2017-02-13|
    US62/458,551|2017-02-13|
    US15/712,103|US10127822B2|2017-02-13|2017-09-21|Drone user equipment indication|
    US15/712,103|2017-09-21|
    PCT/US2018/014363|WO2018147991A1|2017-02-13|2018-01-19|Drone user equipment indication|
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