• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    the present invention relates to a communication device (100) for wireless communication. the communication device (100) comprises a housing (102) comprising a front dielectric cover (131), a rear dielectric cover (132) and a metal frame (110) arranged circumferentially between the front dielectric cover (131) and the rear dielectric cover (132), in which the metal frame (110) forms a first antenna configured to radiate in a first set of frequency bands (fb1). the communication device (100) also comprises a circuit (170) arranged within the housing (102), where the circuit (170) is electrically isolated from the metal frame (110) and comprises at least one first supply line (191 ; 192) coupled to the metal frame (110) and configured to supply the first antenna with a first set of radio frequency signals in the first set of frequency bands (fb1). the communication device (100) also comprises a second antenna (150) arranged within the housing (102), wherein the second antenna (150) comprises one or more irradiation elements (330; 340) configured to radiate in a second set frequency bands (fb2) through at least one opening (120) of the metal frame (110), where at least one frequency range of the first set of frequency bands (fb1) does not overlap with at least one band frequency of the second set of frequency bands (fb2).
    公开号:BR112019023723A2
    申请号:R112019023723-2
    申请日:2017-05-12
    公开日:2020-05-26
    发明作者:Khripkov Alexander；Li Linsheng；Tian Ruiyuan
    申请人:Huawei Technologies Co., Ltd.；
    IPC主号:
    专利说明:

    Invention Patent Specification Report for
    COMMUNICATION DEVICE.
    Technical Field
    [001] The present invention relates to a communication device for wireless communication.
    Background
    [002] Communication devices such as, for example, mobile phones, need to support increasingly different radio technologies. These radio technologies may include cellular radio technologies, such as 2G / 3G / 4G radio, as well as non-cellular radio technologies. Conventionally, each radio technology requires a dedicated antenna that transmits and receives radio signals. The design of separate antennas for each radio technology makes the design of communication devices very challenging, for example, due to space limitations on communication devices. In addition, placing many antennas close together can lead to serious antenna coupling problems.
    [003] In the upcoming 5G radio technology, the frequency range used will be expanded below 6 GHz, also known as sub6 GHz, up to 60 GHz, also known as millimeter wave frequencies (mmWave). In this way, more antennas will be needed to support all required frequency bands. For mmWave frequencies, the radio application requires the use of an array of multiple antenna elements. The antenna array is integrated into a module along with a radio frequency integrated circuit (RFIC) and baseband processors (BB) in order to form an mmWave antenna. Conventional designs require a separate mmWave antenna that needs to be implemented in the communication device. Thus, each one of the antenna
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    2/31 conventional sub-6 GHz and the mmWave antenna occupies its own space on the communication device and needs to be positioned on the communication device. This leads to challenges related to the use of space within the communication device, as well as problems of electromagnetic compatibility between the two types of antennas. In addition, mmWave antennas are typically not compatible with the metal back surface that typically covers a conventional communication device.
    [004] Consequently, the introduction of a new radio technology, such as 5G, leads to challenges in the antenna design of future communication devices.
    summary
    [005] An objective of the modalities of the invention is to provide a solution that mitigates or solves the inconveniences and problems of conventional solutions.
    [006] The above and other objectives are still resolved by the object of the independent claims. Other advantageous ways of implementing the present invention can be found in the dependent claims.
    [007] According to a first aspect of the invention, the aforementioned and other objectives are achieved with a device for wireless communication, wherein the communication device comprises:
    a housing comprising a front dielectric cover, a rear dielectric cover and a metal frame arranged circumferentially between the front dielectric cover and the rear dielectric cover, wherein the metal frame forms a first antenna configured to radiate on a first set of bands frequency;
    a circuit arranged inside the enclosure, where the circuit
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    3/31 is electrically isolated from the metal frame and comprises at least one first power line coupled to the metal frame and configured to supply the first antenna with a first set of radio frequency signals in the first set of frequency bands;
    a second antenna arranged within the housing, wherein the second antenna comprises one or more irradiation elements configured to radiate in a second set of frequency bands through at least one opening of the metal frame, in which at least one frequency range of the first set of frequency bands does not overlap with at least one frequency range of the second set of frequency bands.
    [008] Therefore, it must be understood that the present communication device comprises one or more openings through which the irradiation elements of the second antenna radiate. An opening can in one instance form a through hole or a notch in the metal frame. The through hole or the notch can be filled with a dielectric material that has appropriate impedance compatibility properties. The through hole or the notch can take many different shapes, such as a cross, a rectangle, a square, a circle, etc.
    [009] It should be understood that a set of frequency bands in this disclosure comprises one or more frequency bands. In addition, the meaning that one frequency range does not overlap with another frequency range should be understood as indicating that the two frequency bands have no frequency in common.
    [0010] A communication device according to the first aspect confers a number of advantages over conventional solutions. An advantage is that the design of the first antenna and
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    4/31 of the second antenna on the communication device allows efficient use of the limited space on the communication device.
    [0011] The communication device according to the first aspect also avoids antenna coupling problems that arise when two separate antennas are placed next to each other.
    [0012] In addition, in the case of a portable device the performance of the first antenna in the free space and in the positions next to the head and hand is maximized by the arrangement of the metal frame. Because the first antenna is formed by the metal frame, the first antenna can use all sides and top and / or bottom corners for a better coupling to the chassis mode, thus creating the ideal environment for the best radiation.
    [0013] In addition, the gain of the second antenna and the sweeping coverage of the beam are maximized by the arrangement of the radiation elements of the second antenna within the volume of the first antenna.
    [0014] In a way of implementing a communication device according to the first aspect, one or more elements of irradiation of the second antenna are arranged adjacent to the circuit. [0015] An advantage with this form of implementation is that the efficiency of the second antenna is maximized, since the length of the supply line can be minimized. In addition, it allows the second antenna and the corresponding circuits to be formed as a monolithically integrated antenna module, thereby maximizing the yield of mass production.
    [0016] In a way of implementing a communication device according to the first aspect, one or more elements of irradiation of the second antenna are arranged on a circuit board.
    [0017] An advantage with this form of implementation is the
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    5/31 compact design that saves space. Therefore, for example, the ratio between the screen and the headset can be increased by arranging the second antenna as an integrated module within the board. An additional advantage of this form of implementation is that the irradiation elements can be connected to the circuit as an independent module, separate from the rest of the communication device parts.
    [0018] In a form of implementing a communication device according to the first aspect, the communication device comprises a first dielectric arranged within the housing, in which the first dielectric is configured to provide an electromagnetic coupling between one or more elements irradiation of the second antenna and the opening.
    [0019] An advantage with this form of implementation is that the dielectric parts of the communication device and the conductive parts of the communication device are configured to support the propagation of waves in displacement of the antenna elements into the free space. The direction of the energy flow is usually along the surface of the communication device. In this way, the irradiation pattern of the second antenna is generally directed along the surface of the communication device. In this way, the second antenna will have an improved spatial coverage of beam formation and beam scanning, providing a high average gain in relation to all spatial directions.
    [0020] In a way of implementing a communication device according to the first aspect, the first dielectric is compatible in impedance for one or more elements of irradiation of the second antenna.
    [0021] An advantage with this form of implementation is that the reflections of the electromagnetic waves are minimized, providing an efficient multi-band operation of the second antenna with the
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    6/31 enhancement of the bandwidth of its irradiation elements.
    [0022] In a way of implementing a communication device according to the first aspect, the first dielectric is arranged between one or more radiation elements of the second antenna and the opening.
    [0023] In this way, it is provided with the radiation characteristics for the plane of the metal frame.
    [0024] In a way of implementing a communication device according to the first aspect, one or more elements of irradiation of the second antenna come in galvanic contact with the metal frame at the opening.
    [0025] An advantage with this form of implementation is that the efficiency and the width of the frequency band of the second antenna are improved, since the surface of the metal frame is used as a part of the irradiation opening of the second antenna, thereby increasing the effective size of the second antenna.
    [0026] In a form of implementing a communication device according to the first aspect, one or more irradiation elements of the second antenna are integrated at least partially within the metal frame in order to form a part of an irradiation structure the first antenna.
    [0027] An advantage with this form of implementation is that the gain of the second antenna and the beam sweep coverage are maximized by arranging the radiation elements of the second antenna within the metal frame of the communication device, which means a minimum distance from the free space outside the enclosure, thereby providing an improved omni-coverage of the second antenna.
    [0028] In a way of implementing a communication device according to the first aspect, the circuit comprises a second power line connected to an integrated circuit
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    7/31 radio frequency (RFIC) of the second antenna and configured to supply the RFIC with data, energy and control signals.
    [0029] An advantage with this form of implementation is that the second antenna can be configured as a monolithically integrated module, connected to the circuit via the second power line. In this way, the second antenna module can be standardized and thus mass produced economically.
    [0030] In a way of implementing a communication device according to the first aspect, the second supply line comprises a wrap connected to the metal frame, in which the wrap is configured to ground the first antenna to a circuit ground. .
    [0031] An advantage with this form of implementation is a simple solution that saves space for grounding the first antenna.
    [0032] In a form of implementing a communication device according to the first aspect, the communication device comprises a first dielectric arranged inside the housing and extending inwardly in the housing with respect to the location of the second antenna.
    [0033] An advantage with this form of implementation is that the second antenna uses the volume inside the enclosure for impedance compatibility through the first dielectric that is found there.
    [0034] In a way of implementing a communication device according to the first aspect, the first dielectric is configured to provide an electromagnetic coupling between one or more radiation elements of the second antenna and the front dielectric cover and the rear dielectric cover , respectively.
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    8/31
    [0035] An advantage with this form of implementation is that the second antenna provides a formation of two-dimensional scanning beams in all spatial directions, of longitudinal radiation (along the communication device), of transverse radiation on the side of the screen (perpendicular communication device screen), and transverse radiation from the back side.
    [0036] In a way of implementing a communication device according to the first aspect, the opening is filled with a second dielectric.
    [0037] An advantage with this form of implementation is that the communication device is hermetically sealed and protected from environmental factors such as water, dust, mechanical stress, etc.
    [0038] In a way of implementing a communication device according to the first aspect, the opening comprises a plurality of notches arranged in a row.
    [0039] An advantage with this form of implementation is that said notches are coupling the radiation elements of the second antenna to the free space outside the enclosure, thereby conferring properties of impedance compatibility and improved beam formation.
    [0040] In a form of implementing a communication device according to the first aspect, the plurality of notches comprises a first type of notches and a second type of notches arranged alternately in the row, in which the first type of notches is configured for a first polarization and the second type of notches is configured for a second polarization orthogonal to the first polarization.
    [0041] An advantage with this form of implementation is that the polarization diversity can be exploited by the second antenna. Polarization diversity is used to enable performance
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    9/31 MIMO and / or stable link communication in all directions of the communication device.
    [0042] In a form of implementing a communication device according to the first aspect, one or more irradiation elements of the second antenna comprise a first arrangement of irradiation elements configured to radiate substantially in a first direction parallel to at least one between a surface of the front dielectric cover and a surface of the rear dielectric cover; and a second arrangement of irradiation elements configured to radiate substantially in a second direction perpendicular to the first direction.
    [0043] In a form of implementing a communication device according to the first aspect, the first arrangement of irradiation elements consists of longitudinal radiation irradiation elements and the second arrangement of irradiation elements consists of radiation irradiation elements transversal. [0044] An advantage with this form of implementation is that the gain coverage of the constant beam scanning arrangement in all directions within the full continuous angle is possible. In this way, wireless communication with other communication devices is maintained regardless of the orientation of the communication device and the user's scenarios, (such as when the user holds the phone in the speaking position, in the text typing position, in the video, etc.).
    [0045] In a form of implementing a communication device according to the first aspect, the surface of the front dielectric cover is substantially parallel to the surface of the rear dielectric cover.
    [0046] In a form of the implementation of a device for
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    According to the first aspect, a surface of the metal frame is substantially perpendicular to at least one of the surface of the front dielectric cover and the surface of the rear dielectric cover.
    [0047] In a way of implementing a communication device according to the first aspect, the circuit is arranged on a plate that extends inside the enclosure in parallel to the first direction.
    [0048] In a way of implementing a communication device according to the first aspect, all the frequency bands of the first set of frequency bands do not overlap with all the frequency bands of the second set of frequency bands.
    [0049] In a way of implementing a communication device according to the first aspect, each frequency band of the first set of frequency bands is in the range of 400 MHz to 10 GHz and each frequency band of the second set of bands frequency is in the range of 10 GHz to 100 GHz.
    [0050] An advantage with this form of implementation is that the communication device, for example, supports:
    - MIMO 4x4 sub-6 GHz multi-band communication systems, such as: 2G, 3G, 4G LTE, WiFi 802.11a / b / g / n / ac; and
    - mmWave communication systems, such as: 5G bands (24.25 GHz to 43 GHz), 802.11 WiGig (57 GHz to 66 GHz).
    [0051] Other applications and advantages of the present invention will be apparent from the detailed description below.
    Brief Description of Drawings
    [0052] The attached drawings are intended to clarify and explain different modalities of the present invention, in which:
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    Figure 1a shows a section of a communication device according to an embodiment of the invention;
    Figure 1b shows a section of a communication device according to an embodiment of the invention;
    Figure 2 shows a cross section of a communication device according to an embodiment of the invention;
    Figure 3 shows a second antenna according to an embodiment of the invention;
    Figure 4 shows a cross section of a communication device according to an embodiment of the invention;
    Figure 5 shows a section of a communication device according to an embodiment of the invention;
    Figure 6 shows a cross section of a communication device according to an embodiment of the invention;
    Figure 7 shows a second antenna according to an embodiment of the invention;
    Figure 8 shows a section of a second antenna according to an embodiment of the invention; and
    Figure 9 shows notches of at least one opening according to an embodiment of the invention.
    Detailed Description
    [0053] Figures 1 a and 1 b show a section of a communication device 100 according to different modalities of the invention. The communication device 100 comprises a housing 102 comprising a front dielectric cover 131, a rear dielectric cover 132, and a metal frame 110 arranged circumferentially between the front dielectric cover 131 and the rear dielectric cover 132. The metal frame 110 can form a mechanical support structure between the front dielectric cover 131 and the rear dielectric cover 132. In a preferred embodiment,
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    12/31 the metal frame is continuous, for example, completely encircles the components arranged inside the housing 102. In an additional embodiment, the metal frame 110 can be discontinuous in a direction that surrounds the components arranged inside the housing 102, for example example, containing areas other than metal (dielectric areas) between them.
    [0054] The metal frame 110 also forms a first antenna configured to radiate in a first set of frequency bands FB1. The communication device 100 also comprises a circuit 170 arranged within the housing 102. The circuit 170 is electrically isolated from the metal frame 110 and comprises at least one first power line 191; 192 coupled to the metal frame 110 and configured to supply the first antenna with a first set of radio frequency signals in the first set of frequency bands FB1. Therefore, the metal frame 110 is configured to emit radio frequency signals from the first set of frequency bands FB1.
    [0055] In addition, the communication device 100 comprises a second antenna 150 arranged within the housing 102. The second antenna 150 comprises one or more irradiation elements 330; 340 (shown, for example, in Figures 3 and 7) that are configured to radiate in a second set of frequency bands FB2 through at least one opening 120 of the metal frame 110. At least one frequency range of the first set of frequency bands FB1 does not overlap with at least one frequency band from the second set of frequency bands FB2.
    [0056] In the modalities of the communication device 100 according to the invention, all the frequency bands of the first set of frequency bands FB1 do not overlap with all the frequency bands of the second set of frequency bands FB2.
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    In this way, the first antenna and the second antenna 150 have no frequency band in common and will radiate at different frequency bands. In such an embodiment, each frequency range of the first set of frequency bands FB1 is in the range of 400 MHz to 10 GHz and each frequency range of the second set of frequency bands FB2 is in the range of 10 GHz to 100 GHz. Therefore , the first antenna can support a first radio technology such as LTE, while the second antenna 150 can support another radio technology, such as the new 5G (NR) radio. In addition, other combinations of radio communication technologies are possible.
    [0057] The second antenna 150 can be arranged inside the housing 102 either separated from the metal frame 110 or totally or partially integrated with the metal frame 110, as shown in the two different modalities in Figures 1a and 1b, respectively. In the embodiment shown in Figure 1a, the second antenna 150 is arranged electrically separate from the metal frame 110 and adjacent to circuit 170. In this embodiment, the electromagnetic coupling of the second antenna 150 to the opening 120 of the metal frame 110 is configured using dielectric structures . In the embodiment shown in Figure 1b, the second antenna 150 is preferably arranged adjacent, partially or totally integrated with the metal frame 110. In this embodiment, the electromagnetic coupling of the second antenna 150 to the opening 120 of the metal frame 110 is configured when using conductive structures.
    [0058] Figures 1a and 1b show the relative location between the different parts / components of the communication device 100. In the modalities shown in Figures 1a and 1b, the surface of the front dielectric cover 131 and the surface of the rear dielectric cover 132 are both extending in a first direction D1. Thus,
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    14/31 the surface of the front dielectric cover 131 is substantially parallel to the surface of the rear dielectric cover 132. A (main) surface of the metal frame 100 is extending in a second direction D2, which is perpendicular to the first direction D1. Thus, the surface of the metal frame 110 is substantially perpendicular to at least one of the surface of the front dielectric cover 131 and the surface of the rear dielectric cover 132. Dielectric cover 131, the rear dielectric cover 132 and the metal frame 110 they can therefore in one case form a box of approximately rectangular shape, where the dielectric cover 131 and the rear dielectric cover 132 constitute the top and bottom of the rectangular box, respectively, and the metal frame 110 constitutes the sides of the rectangular box ( for example, as support side walls of housing 102).
    [0059] Circuit 170 can be arranged on a PCB board 230 (shown in Figure 5) that extends within housing 102 parallel to at least one between the surface of the front dielectric cover 131 and the surface of the rear dielectric cover 132, i.e. that is, extending in the first direction D1. In another embodiment, the relative location between the parts of the communication device 100 may differ from the relative locations shown in Figures 1a and 1b without departing from the scope of the invention.
    [0060] The supply, grounding and loading of the impedance of the first antenna can be provided with one or more connection points 191; 192 arranged between circuit 170 and metal frame 110. Metal frame 110 is acting as the emitter of the first antenna, whereas circuit 170 acts as or provides a ground for the first antenna. The first antenna can support NxN Multiple Input Multiple Output (MIMO) transmissions (where N is a positive integer) operating in multiple frequency bands
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    15/31 cell phones, for example, from 698 MHz to 5,800 MHz. Such a MIMO antenna can operate in overlapping frequency bands, allowing support for carrier aggregation, for example in LTE and advanced LTE. In the embodiments, the first antenna may include monopole antennas, notch antennas, inverted F antennas, multi-fed antennas, T-shaped antennas, capacitive or inductive antennas, antennas with capacitive or inductive impedance loading, antennas with charging adjustable impedance, and all its derivatives. The first antenna can also be configured to effectively radiate electromagnetic energy in multiple cell frequency bands, for example, from 698 MHz to 5,800 MHz. The first antenna can also be configured to have a mutual isolation better than 10 dB within said frequency bands and an envelope correlation coefficient (ECC) that is less than 0.2.
    [0061] Figure 2 shows a modality of the communication device 100 in which the dielectric structures are used to provide the electromagnetic coupling of the second antenna 150 to at least one opening 120 of the metal frame 110. In Figure 2, the communication device 100 also comprises a first dielectric 160 arranged within housing 102, and configured to separate the second antenna 150 from the metal frame 110. The first dielectric 160 is configured for the electromagnetic coupling of one or more irradiation elements 330; 340 from the second antenna 150 to the opening 120 in the metal frame 110. In this way, the first dielectric 160 is arranged between one or more radiation elements 330; 340 of the second antenna 150 and the opening 120 as shown in Figure 2. In addition, the first dielectric 160 can be matched in impedance to one or more irradiation elements 330; 340 of the second antenna 150. Thus, providing the
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    16/31 spatial impedance compatibility of electromagnetic energy that propagates through the first dielectric 160 of one or more irradiation elements 330; 340 of the second antenna 150.
    [0062] The first dielectric 160 may be a composition of polyamides - fiberglass (GF), polycarbonate (PC) - GF, polycarbonate (PC) - acrylonitrile butadiene styrene (ABS), polybutylene terephthalate (PBT) - GF, or similar materials. The first dielectric 160 can be formed using nano-molding technology based generally on compositions reinforced with GF. Alternatively, the first dielectric 160 can be formed as an injection molded part based on resins such as polyphenylene ether (PPE), PC sulfide, polypropylene (PP), polyethylene (PE) and polyphenylene (PPS) .
    [0063] The properties of other parts of the communication device 100 shown in Figure 2, such as the front dielectric cover 131, the rear dielectric cover 132, the dielectric filler 140 under the rear dielectric cover 132, and the screen 180, are configured to maximize the performance of the second antenna 150.
    [0064] In the embodiment shown in Figure 2, the second antenna 150 is positioned substantially perpendicular to the metal frame 110, and substantially parallel to the screen 180. The opening 120 is formed within the metal frame 110 substantially in front of the second antenna 150. Thus, the opening 120 couples the second antenna 150 with the free space outside the housing 102, providing impedance compatibility of the electromagnetic energy as it propagates from one or more radiation elements 330; 340 from the second antenna 150 to a surface of the communication device 100. In order to provide a good electromagnetic coupling between one or more radiation elements 330; 340 of the second antenna 150 and the opening 120, the second antenna 150 and the opening 120 must be aligned horizontally. However, this is not always possible due to the considerations of the
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    17/31 drawing of the communication device 100.
    [0065] In some embodiments, opening 120 is filled with a second dielectric 122 (shown in Figure 4). The second dielectric 122 may comprise the same dielectric material as the first dielectric 160 or a different dielectric material. Examples of dielectrics that can be used are compositions of polyamides - fiberglass (GF), polycarbonate (PC) - GF, polycarbonate (PC) - acrylonitrile butadiene styrene (ABS), polybutylene terephthalate (PBT) - GF, or materials similar. The second dielectric 122 can be formed using nano-molding technology based generally on compositions reinforced with GF. This means that the second dielectric 122 has a high adhesion to the metal frame, mechanical properties of high rigidity, as well as low loss of dissipative energy. Alternatively, the second dielectric 122 can be formed as an injection molded part based on resins such as polyphenylene ether (PPE), PC sulfide, polypropylene (PP), polyethylene (PE) and polyphenylene (PPS).
    [0066] Figure 3 shows a modality of the second antenna 150. The second antenna 150 is in this modality based on a monolithically integrated module 310 comprising multiple conductive layers 320. The conductive patterns in the conductive layers 320 and in the interconducting layers are configured to form irradiation element arrangements 330; 340, power lines for these irradiation elements, and mounting connection pads for the signal circuits and related components. The power lines and signal circuit components are not shown in Figure 3 for clarity. As shown in Figure 3, one or more irradiation elements 330; 340 of the second antenna 150 may comprise a first array of radiation elements 330 and a second array of radiation elements
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    340. The first array of irradiation elements 330 can be configured to radiate substantially in the first direction D1, shown in Figures 1a and 1b. The first direction D1 can be parallel to at least one of a surface of the front dielectric cover 131 and a surface of the rear dielectric cover 132. In addition, the second array of irradiation elements 340 can be configured to radiate substantially in the second direction D2, shown in Figures 1a and 1b, perpendicular to the first direction D1. In this way, the second direction D2 can be perpendicular to at least one of a surface of the front dielectric cover 131 and a surface of the rear dielectric cover 132.
    [0067] In some embodiments, the first array of irradiation elements 330 consists of longitudinal radiation irradiation elements 330, for example, waveguide antennas, notch antennas, monopole antennas, inverted F antennas, and their derivatives. The supply of the longitudinal radiation irradiation elements 330 is provided when using the signal feed line paths 331, and the grounding is configured when using multiple grounding lines 332. The second arrangement of irradiation elements 340 consists of the irradiation elements transverse radiation 340, for example, single-polarized, double-polarized splice antenna elements, stacked seams, or their derivatives. The supply of the transverse radiation irradiation elements 340 is provided when using the signal supply line paths 341. The supply line paths are connection points to the antenna elements, where the supply line paths are configured to antenna impedance compatibility.
    [0068] The irradiation elements 330; 340 can be monolithically integrated within the second antenna 150, and the number of irradiation elements 330; 340 inside the second antenna 150 is
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    19/31 dependent on implementation. Any specific number of longitudinal radiation irradiation elements 330 of transversal radiation irradiation elements 340, as well as their respective allocation topology, is within the scope of the invention. The second antenna 150 can be manufactured using a printed circuit board (PCB), low temperature cocalcinated ceramic (LTCC) or any other monolithic multilayer technologies, using any dielectric materials. In addition, circuit 170 can be manufactured using a PCB, LTCC or any other monolithic multilayer technologies, using appropriate materials.
    [0069] Figure 4 shows a drawing of the second antenna 150 of the communication device 100 according to an embodiment. In Figure 4, one or more than irradiation elements 330; 340 of the second antenna 150 are arranged adjacent to circuit 170. In some embodiments, one or more radiation elements 330; 340 of the second antenna 150 are arranged on a board common to circuit 170 and the second antenna 150, for example, a PCB. In other embodiments, one or more irradiation elements 330; 340 of the second antenna 150 can preferably be arranged on monolithically integrated substrates or be manufactured using a molded plastic with the conductive parts engraved on it.
    [0070] Figure 4 also shows the location of the second antenna 150 in relation to the opening 120 of the metal frame 110 and the first dielectric 160 according to an embodiment. The first dielectric 160 is located between the metal frame 110 and the circuit 170 and provides the necessary clearance for efficient operation of the first antenna. In some embodiments, the width of the first dielectric 160 can vary within 1 and 5 mm.
    [0071] The communication device 100 comprises dielectric parts and conductive parts that are configured to form the
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    20/31 electromagnetic coupling of the second antenna 150 to the opening 120 of the metal frame 110. The dielectric parts of the communication device 100 comprise, for example, the front dielectric cover 131 (for example, a front glass), the rear dielectric cover 132 (e.g., a rear window), the first dielectric 160 (e.g., insert molding parts), a dielectric filler 140 (e.g., plastic spacers), as well as ceramic inclusions and related dielectric parts. The conductive parts of the communication device 100 comprise, for example, the circuit 170, the screen 180, the metal frame 110, as well as the PCB, protective structures and mechanical structures of the metal and related conductive parts. The dielectric parts of the communication device 100, and the conductive parts of the communication device 100 are configured to support the propagation of waves in displacement of the antenna elements into the free space. In this way, the reflections of electromagnetic waves in discontinuities of the structure are minimized, thereby conferring better irradiation characteristics. The direction of the energy flow is generally along the surface of the communication device 100, typically along the surface of the front dielectric cover 131 and / or the surface of the rear dielectric cover 132. Thus, the radiation pattern of the second antenna 150 it is generally directed along the surface of the communication device 100.
    [0072] In some embodiments, the irradiation elements 330; 340 of the second antenna 150 are configured as displacement wave antennas with displacement wave phase velocity vi. The moving wave antennas can be slow wave structures or fast wave structures.
    [0073] When the slow wave structures of the moving wave antennas are used, the formation of beams in the second antenna
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    150 is configured to radiate along the communication device 100, sometimes called the longitudinal radiation direction. Thus, the structure of the metal frame 110, the dielectric parts of the communication device 100, and the conductive parts of the communication device 100 form a slow wave structure that has the phase velocity of the wave in displacement equal to or less than the that the speed of light in free space, that is: vi / c <1; c = 300,000 km / s. The irradiation in the free space is carried out on the external surfaces of the dielectric parts of the communication device 100, and of the conductive parts of the communication device 100, that is, in discontinuities, curvatures and non-uniformities of said parts. Therefore, the frequency ranges and beam forming properties are defined by geometric parameters of the structures shown in Figure 4.
    [0074] When the fast wave structures of the moving wave antennas are used, the beam formation on the second antenna 150 is configured to radiate at an angle to the surface of the front dielectric cover 131 and / or the surface of the dielectric cover rear 132 or generally perpendicular to the surface of the front dielectric cover 131 and / or to the surface of the rear dielectric cover 132, sometimes called the transverse radiation direction. In this way, the structure of the metal frame 110, the dielectric parts of the communication device 100 and the conductive parts of the shape of the communication device 100 form fast wave structures that have the higher phase phase velocity of the wave than the speed of light in free space, ie: vi / c> 1. The structure of the metal frame 110, the dielectric parts of the communication device 100 and the conductive parts of the communication device 100 are configured so that the second antenna 150 radiates electromagnetic waves in space
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    22/31 free in small increments per unit length along the surface of the opening 120 in the metal frame 110, the surface of the front dielectric cover 131, or the surface of the rear dielectric cover 132. Once the electromagnetic wave moves along the Along the structures of the communication device 100 of the PCB-based coupling elements into the free space, electromagnetic energy escapes through the dielectric-filled opening 120. The beam irradiation angle 0i of the normal direction is defined as sen θι = vi / c, indicating the angle where the maximum of the main lobe occurs. Therefore, the frequency bands and beam forming properties are defined by dielectric properties of the metal frame structures 110, the dielectric parts of the communication device 100, and the conductive parts of the communication device 100.
    [0075] Figure 5 shows a modality of the communication device 100 where the conductive structures are used to provide the electromagnetic coupling of the second antenna 150 to the metal frame 110. In Figure 5, one or more radiation elements 330; 340 of the second antenna 150 comes in galvanic contact with the metal frame 110 at opening 120. As shown in Figure 5, one or more radiation elements 330; 340 of the second antenna 150 can be at least partially integrated with the metal frame 110 so as to form a part of an irradiation structure of the first antenna. Figure 5 also shows a PCB board 230. The gap between the PCB board 230 and the metal frame 110 is configured to radiate in the first set of frequency bands FB1. The second power lines 241,242, 243 are connected to circuit 170 on PCB board 230 with metal frame 110.
    [0076] Figure 6 shows the location of the second antenna 150 within the metal frame 110 according to a modality in the
    Petition 870190116111, of 11/11/2019, p. 32/53
    23/31 which the second antenna 150 comes in galvanic contact with the metal frame 110. The opening 120 of the metal frame 110 can be filled with a second dielectric 122. The second dielectric 122 can comprise the same dielectric material as the first dielectric 160 or a different dielectric material as previously indicated. The second dielectric 122 can be manufactured using insert molding or any other appropriate techniques.
    [0077] The second antenna 150 can be attached near the opening 120. In the embodiment shown in Figure 6, the second antenna 150 is located substantially parallel to the surface of the metal frame 110, and substantially perpendicular to the screen 180. An integrated circuit of radio frequency (RFIC) 240 is attached to the second antenna 150, on the opposite side of the opening 120. In some embodiments, the second antenna 150 uses the RFIC 240 flip-chip connection, wired connection, packaging with a grid arrangement (BGA), or relevant techniques.
    [0078] According to the modalities, circuit 170 can comprise a second power line 241. The second power line 241 can be connected to RFIC 240 of the second antenna 150 and configured to supply RFCI 240 with data, energy and signals of control. In addition, the second power line 241 can also comprise a wrap connected to the metal frame 110, where the wrap is configured to ground the first antenna to a ground of circuit 170. In this way, the second power line 241 acts as grounding for the first antenna, as well as signal source for the second antenna 150. This mode provides the minimum volume required for the first antenna and the second antenna 150. The antenna volume is effectively reused for irradiation in all bands frequency, including second set of frequency bands FB2.
    Petition 870190116111, of 11/11/2019, p. 33/53
    24/31
    [0079] In some embodiments, the thickness of the metal frame 110 with the second antenna 150 is below 1.5 mm, and the thickness of the second antenna 150 is below 1 mm.
    [0080] Communication device 100 according to the embodiment shown in Figure 6 comprises a first dielectric 160 arranged inside housing 102 and extending inwardly in housing 102 with respect to the location of the second antenna 150. The first dielectric 160 is configured for the electromagnetic coupling of one or more irradiation elements 330; 340 from the second antenna 150 to the front dielectric cover 131 and to the rear dielectric cover 132, respectively. In the embodiments, the first dielectric 160 is arranged between one or more radiation elements 330; 340 of the second antenna 150 and the front dielectric cover 131 and the rear dielectric cover 132, respectively. The first dielectric 160 can completely or partially fill the space (due to mounting considerations) between one or more radiation elements 330; 340 of the second antenna 150 and the front dielectric cover 131 and the rear dielectric cover 132.
    [0081] Figure 7 shows a modality of the second antenna 150. The second antenna 150 is in this modality based on a monolithic integrated module 310, which comprises multiple conductive layers 320. The conductive patterns in conductive layers 320 and conductive interlayer are configured to form subdivisions of irradiation elements 330; 340, the power lines for these irradiation elements, and the mounting connection pads for signal circuits and related components. Power lines and signal circuit components are not shown in Figure 7 for clarity. The RFIC 240 of the second antenna 150 is feeding sub-dispositions of irradiation elements 330; 340 of the second antenna 150, which are
    Petition 870190116111, of 11/11/2019, p. 34/53
    25/31 configured to excite the electromagnetic field through opening 120. In this way, electromagnetic radiation in the free space is performed through opening 120 of the metal frame 110.0 galvanic contact is provided between the metal frame 110 and the second antenna 150 in the surface 311, which is ensuring the electromagnetic coupling for operation in the second set of frequency bands FB2. As shown in Figure 7, one or more irradiation elements 330; 340 of the second antenna 150 may comprise a first array of irradiation elements 330 and a second array of irradiation elements 340. The first array of irradiation elements 330 can be configured to radiate substantially in the first direction D1, shown in Figures 1a and 1b . The first direction D1 can be parallel to at least one of a surface of the front dielectric cover 131 and a surface of the rear dielectric cover 132. In addition, the second array of irradiation elements 340 can be configured to radiate substantially in the second direction D2, shown in Figures 1a and 1b, perpendicular to the first direction D1. In this way, the second direction D2 can be perpendicular to at least one of a surface of the front dielectric cover 131 and a surface of the rear dielectric cover 132.
    [0082] Figure 8 shows a cross section of the second antenna 150. In the embodiment shown in Figure 8, the first array of irradiation elements 330 consists of the longitudinal radiation irradiation elements 330, for example, waveguide antennas, notch, monopole antennas, inverted F antennas and all their derivatives. The longitudinal radiation irradiation elements 330 are using the contact surface 311 for the electromagnetic coupling with the opening 120 of the metal frame 110. In this case, the formation of beams is substantially in the direction of radiation
    Petition 870190116111, of 11/11/2019, p. 35/53
    26/31 longitudinally, along the communication device 100. The second array of irradiation elements 340 consists of the transverse radiation irradiation elements 340, for example, single polarized or double polarized dipole antenna elements, notch antennas , waveguide antennas, and their derivatives. The transverse radiation irradiation elements 340 are excitation currents in the metal frame 110 and the adjacent metal parts, such as the screen, internal conductive structures and the surfaces of related components. In this case, an air gap between the PCB of the circuit 170 and the metal frame 110 forms a part of the beam forming structure of the communication device 100.
    [0083] The irradiation elements 330; 340 can be monolithically integrated within the second antenna 150, and the number of irradiation elements 330; 340 within the second antenna 150 is dependent on implementation. Any specific number of fire-end irradiation elements 330 or broadside irradiation elements 340, as well as their respective allocation topology, are within the scope of the invention.
    [0084] Figure 9 shows an embodiment of the communication device 100 where at least one opening 120 comprises a plurality of notches arranged in a row. In the embodiment shown in Figure 9, the plurality of notches comprises a first type of notch and a second type of notch arranged alternately in the row. The first type of notch is configured for a first polarization and the second type of notch is configured for a second polarization orthogonal to the first polarization. This means that the signals of the first polarization can only radiate through notches of the first type. In the same way, the signals of the second polarization can only radiate through notches of the second type.
    [0085] The modality shown in Figure 9 can be used when
    Petition 870190116111, of 11/11/2019, p. 36/53
    27/31 the longitudinal radiation irradiation elements 330 of the second antenna 150 are arranged to radiate with two different polarizations, a vertical polarization (V) and a horizontal polarization (H), respectively. The longitudinal radiation irradiation elements 330 of the second antenna 150 configured to radiate in the vertical polarization are arranged alternately with the longitudinal radiation irradiation elements 330 of the second antenna 150 configured to radiate in the horizontal polarization. Thus, aperture 120 must comprise notches of different shapes for the vertical polarization and the second polarization. In addition, the notches should be alternately arranged to correspond to the polarization of the longitudinal radiation irradiation elements 330 of the second antenna 150, such as having a VHVHVHVH pattern.
    [0086] The beam forming characteristics of the second antenna 150 are explained in this document for the modalities when using dielectric structures for the electromagnetic coupling of the second antenna 150 to at least one opening 120. The longitudinal radiation irradiation elements 330 are emitting electromagnetic energy for the metal frame 110, and the aperture 120 is configured to effectively couple this electromagnetic energy in the free space, which leads to the formation of beams in the horizontal direction. The irradiation elements are emitting electromagnetic energy to the dielectric filler 140 under the rear dielectric cover 132 and substantially the beam formation in the vertical direction. The phase adjustment for the signals fed to the longitudinal radiation radiation elements in relation to the signals fed to the transverse radiation radiation elements 340 results in the beam inclination in the vertical plane to any arbitrary angle. Phase control for neighboring elements within the first arrangement of longitudinal radiation irradiation elements 330 and within the second arrangement
    Petition 870190116111, of 11/11/2019, p. 37/53
    28/31 of transverse radiation irradiation elements 340 allows the beam to be tilted on the horizontal piano (i.e., along the line of the metal frame 110).
    [0087] The beamforming characteristics of the second antenna 150 are explained in this document for the modalities when using conductive structures for the electromagnetic coupling of the second antenna 150 to at least one opening 120. The beam formation of the second antenna 150 is performed by phase control and switching different antenna elements. The longitudinal radiation irradiation elements 330 are using the contact surface 411 for the electromagnetic coupling with the opening 120 of the metal frame 110. In this case, the beam formation is generally directed in the direction of longitudinal radiation along the communication device. 100. The transverse radiation radiation elements 340, for example, single-polarized or double-polarized dipole antenna elements, notch antennas, waveguide antennas, and derivatives thereof. The transverse radiation irradiation elements 340 are excitation currents in frame 110 and adjacent metal parts, such as a screen, internal conductive structures and surfaces of related components. In this case, an air-filled opening between the PCB of the circuit 170 and the metal frame 110 forms part of the beam forming structure of the communication device 100. In the embodiments, the second arrangement of transverse radiation radiation elements 340 is located on each side of the second antenna 150, as shown in Figure 8. In this case, the mmWave beam formation is covering the front side (screen side) of the communication device 100 and the rear side of the communication device 100. The control of the phase of the signals fed in the second array of transverse radiation radiation elements 340 and in the first array of
    Petition 870190116111, of 11/11/2019, p. 38/53
    29/31 longitudinal radiation irradiation 330 allows beam focusing in any intermediate direction between different beams. The phase control for neighboring elements within subdivisions 340 and within subdivisions 330 allows the beam to be tilted in the horizontal plane (along the line of the metal frame 110).
    [0088] The communication device 100 in this document can be denoted, for example, as a user device, a user equipment (UE), a mobile station, an Internet of things (loT) device, a sensor device, a wireless terminal and / or a mobile terminal, and can communicate wirelessly in a wireless communication system, sometimes also referred to as a cellular radio system. UEs can also be indicated as mobile phones, cell phones, computer tablets or laptops with wireless capability. The UEs in the current context can be, for example, portable mobile devices, storable in the pocket, hand-held, comprising a computer, or mounted on vehicles, enabled to communicate voice and / or data, via the radio access network, with another entity, such as another receiver or a server. The UE can be a station (STA), which is any device that contains a Media Access Control (MAC) interface in accordance with the IEEE 802.11 standard and Physical Layer (PHY) with the Wireless Medium ] (WM). Communication device 100 can also be configured for LTE communication related to 3GPP and LTE-Advanced, WiMAX and its evolution, and fifth generation wireless technologies, such as New Radio.
    [0089] In addition, an element skilled in the state of the art is aware that the modalities of the present communication device comprise the necessary communication capabilities in the form, for example, of functions, means, units, elements, etc., for
    Petition 870190116111, of 11/11/2019, p. 39/53
    30/31 run the current solution. Examples of other such media, units, elements and functions are: processors, memory, buffers, control logic, encoders, decoders, rate combiners, rate decompressors, mapping units, multipliers, decision units, selection units, switches, interleavers, deinterleaver, modulators, demodulators, inputs, outputs, antennas, amplifiers, receiving units, transmission units, DSPs, MSDs, TCM encoder, TCM decoder, power supply units, power feeders, interfaces communication protocols, etc., which are properly arranged together to execute the current solution.
    [0090] In particular, the processor (s) of the communication device 100 may comprise, for example, one or more examples of a Central Processing Unit (CPU), a processing unit, a circuit of processing, a processor, an application-specific integrated circuit (ASIC), a microprocessor, or other processing logic that can interpret and execute instructions. The term processor can thus represent a processing circuit that comprises a plurality of processing circuits such as, for example, any, some or all of the above. The processing circuits can also perform data processing functions for input, output and data processing which include the data buffering and device control functions, such as control of call processing, control of the user interface. user, or others.
    [0091] Finally, it should be understood that the invention is not limited to the modalities described above, but also refers to and
    Petition 870190116111, of 11/11/2019, p. 40/53
    31/31 incorporates all modalities within the scope of the attached independent claims.
    权利要求:
    Claims (19)
    [1]
    1. Communication device (100) for wireless communication, where the communication device (100) is characterized by the fact that it comprises:
    a housing (102) comprising a front dielectric cover (131), a rear dielectric cover (132) and a metal frame (110) arranged circumferentially between the front dielectric cover (131) and the rear dielectric cover (132), in that the metal frame (110) forms a first antenna configured to radiate in a first set of frequency bands (FB1);
    a circuit (170) arranged within the housing (102), where the circuit (170) is electrically isolated from the metal frame (110) and comprises at least one first supply line (191; 192) coupled to the metal frame ( 110) and configured to supply the first antenna with a first set of radio frequency signals in the first set of frequency bands (FB1);
    a second antenna (150) arranged within the housing (102), wherein the second antenna (150) comprises one or more irradiation elements (330; 340) configured to radiate in a second set of frequency bands (FB2) through at least one opening (120) of the metal frame (110), wherein at least one frequency range of the first set of frequency bands (FB1) does not overlap with at least one frequency range of the second set of frequency bands (FB2).
    [2]
    Communication device (100) according to claim 1, characterized in that one or more irradiation elements (330; 340) of the second antenna (150) are arranged adjacent to the circuit (170).
    [3]
    Communication device (100) according to claim 2, characterized by the fact that it comprises a first
    Petition 870190116111, of 11/11/2019, p. 42/53
    2/4 dielectric (160) arranged inside the housing (102), in which the first dielectric (160) is configured to provide an electromagnetic coupling between one or more radiation elements (330; 340) of the second antenna (150) and the opening (120).
    [4]
    Communication device (100) according to claim 3, characterized by the fact that the first dielectric (160) is compatible with the impedance for one or more irradiation elements (330; 340) of the second antenna (150).
    [5]
    Communication device (100) according to claim 3 or 4, characterized in that the first dielectric (160) is arranged between one or more radiation elements (330; 340) of the second antenna (150) and the opening (120).
    [6]
    Communication device (100) according to claim 1, characterized by the fact that one or more irradiation elements (330; 340) of the second antenna (150) come in galvanic contact with the metal frame (110) at opening (120).
    [7]
    Communication device (100) according to claim 6, characterized in that one or more irradiation elements (330; 340) of the second antenna (150) are integrated at least partially within the metal frame (110) so as to form a part of an irradiation structure of the first antenna.
    [8]
    Communication device (100) according to claim 7, characterized in that the circuit (170) comprises a second power line (241) connected to a radio frequency integrated circuit (RFIC) of the second antenna (150 ) and configured to power the radio frequency integrated circuit (RFCI).
    [9]
    Communication device (100) according to claim 8, characterized in that the second supply line (241) comprises a wrapper connected to the
    Petition 870190116111, of 11/11/2019, p. 43/53
    3/4 metal (110), where the wrap is configured to ground the first antenna to a circuit ground (170).
    [10]
    Communication device (100) according to any one of claims 6 to 9, characterized in that it comprises a first dielectric (160) arranged inside the housing (102) and extending inwardly in the housing (102) with respect to the location of the second antenna (150).
    [11]
    Communication device (100) according to claim 10, characterized in that the first dielectric (160) is configured to provide an electromagnetic coupling between one or more radiation elements (330; 340) of the second antenna (150 ) and the front dielectric cover (131) and the rear dielectric cover (132), respectively.
    [12]
    Communication device (100) according to claim 11, characterized in that the first dielectric (160) is arranged between one or more irradiation elements (330; 340) of the second antenna (150) and the dielectric cover front (131) and the rear dielectric cover (132), respectively.
    [13]
    Communication device (100) according to any one of the preceding claims, characterized in that the opening (120) is filled with a second dielectric (122).
    [14]
    Communication device (100) according to any one of the preceding claims, characterized in that the opening (120) comprises a plurality of notches arranged in a row.
    [15]
    Communication device (100) according to claim 14, characterized in that the plurality of notches comprises a first type of notch and a second type of notch arranged alternately in the row, in which the first type of notch is configured for a first polarization and the second type
    Petition 870190116111, of 11/11/2019, p. 44/53
    4/4 notch is configured for a second polarization orthogonal to the first polarization.
    [16]
    Communication device (100) according to any one of the preceding claims, characterized in that one or more elements of irradiation (330; 340) of the second antenna (150) comprise:
    a first array of irradiation elements (330) configured to radiate substantially in a first direction (D1) parallel to at least one of a surface of the front dielectric cover (131) and a surface of the rear dielectric cover (132); and a second arrangement of irradiation elements (340) configured to radiate substantially in a second direction (D2) perpendicular to the first direction (D1).
    [17]
    17. Communication device according to claim 16, characterized in that the first arrangement of irradiation elements (330) consists of longitudinal radiation irradiation elements and the second arrangement of irradiation elements (340) consists of elements of transverse radiation irradiation.
    [18]
    18. Communication device (100) according to any of the preceding claims, characterized by the fact that all frequency bands in the first set of frequency bands (FB1) do not overlap with all frequency bands in the second set of frequency frequency bands (FB2).
    [19]
    19. Communication device (100) according to any one of the preceding claims, characterized by the fact that each frequency band of the first set of frequency bands (FB1) is in the range of 400 MHz to 10 GHz and each frequency band the second set of frequency bands (FB2) is in the range of 10 GHz to 100 GHz.
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