WO2020177079A1 - Procédé, dispositif et appareil de sélection d'antenne - Google Patents

Procédé, dispositif et appareil de sélection d'antenne Download PDF

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Publication number
WO2020177079A1
WO2020177079A1 PCT/CN2019/076999 CN2019076999W WO2020177079A1 WO 2020177079 A1 WO2020177079 A1 WO 2020177079A1 CN 2019076999 W CN2019076999 W CN 2019076999W WO 2020177079 A1 WO2020177079 A1 WO 2020177079A1
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WO
WIPO (PCT)
Prior art keywords
frequency
antenna
configuration information
communication
bandwidth
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Application number
PCT/CN2019/076999
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English (en)
Chinese (zh)
Inventor
夏正山
蓝元皓
沈丽
周鹏
丁仁天
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2019/076999 priority Critical patent/WO2020177079A1/fr
Priority to CN201980006508.3A priority patent/CN111903066B/zh
Publication of WO2020177079A1 publication Critical patent/WO2020177079A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas

Definitions

  • This application relates to the field of communications, and in particular to an antenna selection method, device and equipment.
  • WiFi wireless fidelity
  • LTE Long Term Evolution
  • NR 5G New Radio
  • the frequency spectrum shown in Figure 1 includes the Industrial, Scientific, and Medical (Industrial Scientific, Medical, ISM) Band.
  • This frequency band (2.4GHz to 2.4835GHz) is mainly open to industry, science, and medicine, and used by three major institutions ,
  • This frequency band is defined by the Federal Communications Commission (FCC) of the United States and belongs to the Free License frequency band, that is, there is no so-called license restriction.
  • FCC Federal Communications Commission
  • 2.4GHz is the ISM frequency band common to all countries, so wireless networks such as WiFi wireless LAN, Bluetooth, ZigBee, etc. can all work on the 2.4GHz frequency band.
  • the 2.4GHz channel in the WiFi network system and the B40/n40, B7/n7 and B41/n41 frequency bands in the cellular network will cause adjacent frequency mutual interference.
  • WiFi transmission will affect the reception performance of the cellular network frequency band; correspondingly, the cellular network
  • the transmission will also affect the receiving performance of the WiFi antenna.
  • it can support 5GHz band signal transmission and reception.
  • the 5GHz channel in the WiFi network system and the N77 and N79 frequency bands in the cellular network will also cause adjacent frequency mutual interference.
  • the working frequency of the satellite navigation system of the Global Positioning System covers multiple frequency bands, and the GPS working in these frequency bands is very sensitive to external interference.
  • the fifth generation mobile communication system The 5th Generation, 5G
  • 5G fifth generation mobile communication system
  • NSA non-standalone
  • This application provides an antenna selection method, device, and equipment to solve the problem of mutual interference that occurs when multiple communication systems are concurrent, such as when the working frequencies of a cellular network system and a WiFi network or a GSP network are the same or similar.
  • the embodiments of the present application provide an antenna selection method, which may be executed by a terminal device or executed by a processing chip of the terminal device. Specifically, the method includes: acquiring first frequency configuration information and 2. Frequency configuration information, determining a target antenna among the at least one candidate second antenna according to the first frequency configuration information and the second frequency configuration information, and the target antenna is suitable for the at least one first antenna A second antenna performing simultaneous transmission; using the at least one first antenna to perform a first communication service of the first communication standard, and using the target antenna to perform a second communication service of the second communication standard.
  • the first frequency configuration information corresponds to a first antenna system of a first communication standard
  • the second frequency configuration information corresponds to a second antenna system of a second communication standard
  • the first antenna system includes at least one first antenna system.
  • the second antenna system includes at least one candidate second antenna
  • the second communication standard is different from the first communication standard.
  • the frequency relationship table includes: multiple first frequency bands of the first antenna system and at least one first bandwidth corresponding to each first frequency band; multiple second frequency bands of the second antenna system And at least one second bandwidth corresponding to each second frequency band; and at least one second antenna corresponding to each first frequency band, each first bandwidth, each second frequency band, and each second bandwidth; wherein, The at least one second antenna is included in the at least one candidate second antenna and includes the target antenna.
  • the method before determining the target antenna according to the first frequency configuration information and the second frequency configuration information, the method further includes: determining the first frequency Whether the first frequency in the configuration information is located in one of the multiple first frequency bands, and whether the second frequency in the second frequency configuration information is located in one of the multiple second frequency bands If the first frequency is located in one of the plurality of first frequency bands, and the second frequency is located in one of the plurality of second frequency bands, triggering according to the first frequency
  • the configuration information and the second frequency configuration information determine the operation of the target antenna.
  • the embodiments of the present application also provide a computer-readable storage medium.
  • the storage medium stores instructions.
  • the instructions run on a computer or a processor, they are used to execute the aforementioned first aspect and the first aspect.
  • methods in various implementations are also provided.
  • the method provided in this application selects a target antenna suitable for simultaneous transmission of two antenna systems by obtaining antenna configuration information of two different antenna systems, such as frequency and bandwidth information, and the target antenna is a candidate for the second antenna system.
  • This method achieves the beneficial effect of concurrent operation of the two antenna systems without mutual interference, and ensures the terminal product User experience.
  • FIG. 1 is a schematic diagram of the neighboring relationship between adjacent frequencies of a WiFi network system and a cellular network system in the 2.4 GHz frequency range provided by this application;
  • FIG. 2 is a schematic diagram of antenna distribution of a terminal device according to an embodiment of the application.
  • FIG. 3 is a schematic diagram of antenna distribution of another terminal device according to an embodiment of the application.
  • FIG. 5 is a schematic structural diagram of an antenna selection device provided by an embodiment of the application.
  • the terminal device further includes a second antenna system, and the second antenna system includes at least one second antenna.
  • the second antenna system shown in FIG. 2 includes four antennas, antenna 1, antenna 2, Antennas 3 and 4, the antennas 1-4 are used to perform communication services under the cellular network system.
  • the antenna 1 and the antenna 2 are arranged in parallel at the top position of the terminal device, close to the upper edge; the antenna 3 and the antenna 4 are arranged in parallel at the bottom position of the terminal device, close to the lower edge.
  • the first antenna system and the second antenna system may also include more or fewer antennas and be configured in other positions of the terminal device, which is not limited in this embodiment.
  • the terminal device described in this embodiment may be a mobile terminal, such as a mobile phone (or called a "cellular" phone) and a computer with a mobile terminal.
  • a mobile terminal such as a mobile phone (or called a "cellular" phone) and a computer with a mobile terminal.
  • it may be portable, pocket-sized, handheld, or built-in computer.
  • Vehicle-mounted mobile devices that exchange language and/or data with the wireless access network.
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • the wireless terminal may also be a subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station), mobile station (mobile), remote station (remote station), access point (access point), remote station Terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), user equipment (user device) or user equipment (user equipment, UE), etc., embodiments of this application
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access point access point
  • remote station Terminal remote station
  • access terminal access terminal
  • user terminal user terminal
  • user agent user agent
  • user equipment user device
  • user equipment user equipment
  • the first processing module and the second processing module may be respectively provided as independent communication chips in the terminal device, or alternatively, the two processing modules are integrated into one chip, such as a system on chip (System on Chip). , SoC), the method provided in this embodiment is described by taking the second processing module or the chip where the second processing module is located as an example. The method is shown in FIG. 4, and the method includes:
  • Step 101 Acquire first frequency configuration information and second frequency configuration information.
  • the first frequency configuration information corresponds to a first antenna system of a first communication standard
  • the second frequency configuration information corresponds to a second antenna system of a second communication standard
  • the first antenna system includes at least one first antenna system.
  • One antenna, the second antenna system includes at least one candidate second antenna, and the second communication standard is different from the first communication standard.
  • the first frequency configuration information includes a first frequency (frequency) and a first bandwidth (bandwith, BW)
  • the second frequency configuration information includes a second frequency and a second bandwidth
  • the first frequency and The first bandwidth may be configured by a WiFi router or an access point
  • the second frequency and the second bandwidth may be configured by a cellular communication base station.
  • acquiring the first configuration information by the terminal device includes: acquiring the first frequency configuration information reported by the first processing module corresponding to the first antenna system by the second processing module corresponding to the second antenna system; further, The first antenna system of the terminal device receives the first indication information sent by the access point, and the first processing module of the first antenna system parses the first indication information to obtain the first frequency and the first bandwidth, and selects one The first antenna uses the first frequency and the first bandwidth to execute the communication service of the first standard, and the first processing module sends the first configuration information to the second processing module through the communication bus. Specifically, See Figure 6 for description.
  • acquiring the second configuration information by the terminal device includes: the second processing module of the second antenna system receives the second instruction information sent by the base station, and the second processing module parses the second instruction information to obtain the second frequency And a second bandwidth, and a second antenna may be further selected to use the second frequency and the second bandwidth to perform the communication service of the second communication standard.
  • the first antenna system is a WiFi system
  • the second antenna system is a cellular network system.
  • the first frequency and the first bandwidth in the first frequency configuration information can be configured by a network device, such as a WiFi router or access point.
  • the second frequency and the second bandwidth are configured by a cellular communication base station.
  • the first antenna system may also be a GPS system, or a system that integrates the WiFi and GPS functions.
  • the first frequency configuration information acquired in step 101 may also be dynamically changed. For example, if the first antenna system detects that the first indication information sent by the WiFi router or access point changes, that is, When the first frequency and the first bandwidth configured for the terminal device change, the first frequency and the first bandwidth of the first antenna system are updated accordingly, and the updated first frequency configuration information is notified to the second antenna system
  • the second processing module of the second antenna system enables the second processing module of the second antenna system to obtain the updated first frequency and first bandwidth.
  • the second processing module of the second antenna system if the second processing module of the second antenna system is required to send the second configuration information to the first processing module of the first antenna system, the second processing module of the second antenna system will also The second frequency and the second bandwidth are dynamically updated and sent to the first processing module of the first antenna system.
  • Step 102 Determine a target antenna among the at least one candidate second antenna according to the first frequency configuration information and the second frequency configuration information, and the target antenna is suitable for performing simultaneous execution with the at least one first antenna The second antenna for transmission.
  • step 102 includes: determining the target antenna according to the first frequency and the first bandwidth, the second frequency and the second bandwidth, and a pre-configured frequency relationship table.
  • the frequency relationship table includes: multiple first frequency bands of the first antenna system and at least one first bandwidth corresponding to each of the first frequency bands; multiple second frequency bands of the second antenna system And at least one second bandwidth corresponding to each of the second frequency bands; and at least one second antenna corresponding to each first frequency band, each first bandwidth, each second frequency band, and each second bandwidth.
  • the at least one second antenna is included in the at least one candidate second antenna, and includes the target antenna.
  • Table 2 shows a frequency relationship table. This table is used to select a target antenna among at least one candidate second antenna, that is, when the first antenna in the first antenna system is unchanged, a second antenna is selected as the target antenna. Alternatively, in another case, all the antennas in the table can be configured as the first antenna, which is used to select a first antenna as the target antenna for communication when the second antenna is unchanged. The previous situation in this embodiment is described as an example.
  • the first antenna system corresponds to the two first frequency bands, namely frequency range 1 and frequency range 2, wherein the frequency range 1 and the frequency range 2 each correspond to 4 bandwidths, respectively: 20MHz , 40MHz, 80MHz and 160MHz.
  • the second antenna system includes a second frequency band, that is, a second frequency range, which corresponds to multiple bandwidths, for example: 5MHz, 10MHz, 15MHz....
  • the second antenna system may have multiple second frequency bands, and each second frequency band may correspond to a table as shown in Table 2, or the tables corresponding to multiple second frequency bands of the second antenna system may be combined as one table. In 2 only one second frequency band is taken as an example, but it is not used to limit the present invention.
  • a table lookup operation can be performed. For example, at least one second antenna corresponding to the first frequency (range) and the first bandwidth, the second frequency (range) and the second bandwidth is determined in the frequency relationship table, for example, the second antenna is determined to be "Antenna 1 or 2", select one of the two antennas as the target antenna.
  • the method may further include: determining whether the first antenna system and the second antenna system cause mutual interference, that is, whether the first antenna used in the first antenna system and the second antenna system Interference occurs between the second antennas, and further, it is determined whether the first frequency is located in one of the multiple first frequency bands, and whether the second frequency is located in the multiple second frequency bands.
  • the trigger is triggered according to the The first frequency configuration information and the second frequency configuration information determine the operation of the target antenna. In this embodiment, it is determined that if the first frequency is in frequency range 1 or frequency range 2, and the second frequency is in the second frequency range, it is determined that the currently used first antenna and at least one second The antenna has interference; otherwise, no interference.
  • Step 103 Use the at least one first antenna to execute a first communication service of the first communication standard, and use the target antenna to execute a second communication service of the second communication standard.
  • the first communication standard is cellular communication
  • the second communication standard is WiFi communication or GPS communication.
  • the first communication standard is WiFi communication or GPS communication
  • the second communication standard is cellular communication.
  • the first communication service and the second communication service include: sending or receiving at least one of communication data and communication control information.
  • the method provided in this embodiment selects a target antenna suitable for simultaneous transmission of two antenna systems by acquiring antenna configuration information of two different antenna systems, such as frequency and bandwidth information, and the target antenna is a candidate in the second antenna system One of the second antennas, and uses the target antenna to perform communication services of the corresponding communication standard, thereby avoiding interference with the first antenna system.
  • This method achieves the beneficial effect of concurrent operation of the two antenna systems without mutual interference, and ensures that the terminal The user experience of the product.
  • the frequency relationship table may be set and generated according to the isolation between the first antenna and the second antenna in the terminal device.
  • the isolation is used to characterize the degree of interference between at least one first antenna and one second antenna, and the two antennas with higher isolation have a smaller degree of interference.
  • the product form of the current two antenna systems is also considered in the pre-configured frequency relationship table, and the mutual interference characteristics of the products are extracted, for example, including which second frequency bands in the second antenna system will interact with the first antenna system, such as WiFi
  • the network generates interference, and the preset antenna parameters are obtained through a series of experimental combinations, and finally the frequency relationship table is generated.
  • the terminal device is powered on, the WiFi antenna 1 or the WiFi antenna 2 in the first antenna system is performing WiFi communication, and the antenna 3 or the antenna 4 in the second antenna system is performing cellular communication.
  • the first configuration information corresponding to the first antenna system includes the first frequency (f1) and the first bandwidth (BW1)
  • the second configuration information corresponding to the second antenna system includes the second frequency (f2) and the second frequency (f2).
  • the first processing module searches for the target antenna in at least one preset frequency relationship table according to the above configuration information. That is, for a cellular network system, a second frequency band range can correspond to multiple relationship tables. In this embodiment, three frequency relationship tables are exemplified, which are Table 3 to Table 5, respectively.
  • the "frequency relationship table" of Table 4 is specifically determined as the relationship table used to determine the target antenna, because f2 in the second frequency configuration information is located in the second frequency range 2 in Table 4 [2550, 2630) Inside.
  • antenna 1 is used for the second antenna system to perform cellular communication
  • WiFi antenna 1 and WiFi antenna 2 are used for the first antenna system to perform WiFi communication. Due to the antenna 1 selected for the second antenna system The isolation from the first antenna system is large, so there will be no interference between the first antenna system operating at the first frequency and the first bandwidth and the second antenna system operating at the second frequency and the second bandwidth. The concurrent coexistence of two antenna systems is realized.
  • This embodiment exemplifies that when the second antenna in the second antenna system interferes with the first antenna system, the frequency relationship table is used to select the target second antenna to use, so as to avoid mutual interference with the first antenna system. process. Understandably, it may also include a method in which the first antenna system selects and uses the target first antenna when determining that it generates mutual interference with the second antenna system, so as to avoid mutual interference with the two antenna systems.
  • the process for the first antenna system to select a target first antenna and switch and use is similar to the previous embodiment, except that the second antenna used in the second antenna system remains unchanged, and the first antenna in the first antenna system Need to determine and switch according to the "frequency relationship table".
  • the frequency relationship table is shown in Table 6 below, which is similar to Table 2 in the foregoing embodiment, and of course, may also include more other table relationships, which is not limited in this embodiment.
  • the priorities of the two systems should also be considered. For example, if the priority of the cellular network system is lower than that of the WiFi system, it is necessary to reduce the transmit power of the cellular system, and then match according to the corresponding relationship in Table 3 to Table 5, find the corresponding working frequency range and bandwidth information, and apply to Selectable antenna combination for the first antenna system.
  • the priority setting between antenna systems when the terminal equipment is concurrently in the cellular network system and the WiFi system, if the cellular network system and the WiFi system are working at the same time and cause mutual interference, it is required to ensure the priority processing of emergency services, or Set the priority of the cellular network system and the WiFi system based on the principle of the least impact on the user experience. For example, in the business scenarios in Table 3 to Table 5 above, when the cellular network system and the WiFi system interfere with each other, the WiFi system can be set The priority is higher than that of the cellular network, so as to ensure that the business of the WiFi system communication is executed first.
  • the processing module corresponding to the antenna system of the cellular network uses the acquired frequency and bandwidth information and the operating frequency and bandwidth information reported by the processing module corresponding to the WiFi antenna system to determine when interference occurs between the two systems , Select the target antenna for selection or switching, so that the isolation of the selected or switched antenna combination is higher, thereby avoiding mutual interference between the two antenna systems, achieving the beneficial effect of concurrent coexistence of cellular and WiFi networks, and ensuring the end product user experience.
  • handover is a special case of antenna selection, that is, stop using the original antenna and use the selected new antenna to perform communication services.
  • the processing unit 502 is configured to determine a target antenna among the at least one candidate second antenna according to the first frequency configuration information and the second frequency configuration information, where the target antenna is suitable for being compatible with the at least one first antenna.
  • the antenna performs the second antenna for simultaneous transmission; the processing unit 502 is further configured to use the at least one first antenna to perform the first communication service of the first communication standard, and use the target antenna to perform the second communication service.
  • the first frequency configuration information includes a first frequency and a first bandwidth
  • the second frequency configuration information includes a second frequency and a second bandwidth
  • the processing unit 502 is specifically configured to perform according to the first frequency and The first bandwidth, the second frequency and the second bandwidth, and a pre-configured frequency relationship table determine the target antenna.
  • For the frequency relationship table refer to the description of the previous embodiment.
  • the processing unit 502 is further configured to determine the second antenna before determining the target antenna according to the first frequency configuration information and the second frequency configuration information Whether the first frequency in the frequency configuration information is located in one of the multiple first frequency bands, and whether the second frequency in the second frequency configuration information is located in one of the multiple second frequency bands In the frequency band; if both are yes, trigger the operation of determining the target antenna according to the first frequency configuration information and the second frequency configuration information.
  • the first communication standard is cellular communication
  • the second communication standard is WiFi communication or GPS communication
  • the first communication standard is WiFi communication or GPS communication
  • the second communication standard is cellular communication. Communication.
  • an embodiment of the present application also provides a terminal device for implementing part or all of the steps of the antenna selection method described in the foregoing embodiment.
  • the terminal device includes a transceiver 601, a processor 602, and a memory 603.
  • the terminal device may also include more or fewer components, or a combination of some components, or different components. The arrangement of components is not limited in this application.
  • the transceiver 601 is used to establish a communication channel, so that the terminal device can connect to a network through the communication channel, such as a WiFi network system, a cellular network, or a GPS network, so as to implement communication transmission between the terminal device and other network devices.
  • the transceiver 601 may include components such as a receiver, a transmitter, and an antenna, where the antenna includes at least one first antenna 6011, at least one second antenna 6012. Or it may also include radio frequency components such as receivers and transmitters. Further, the radio frequency components may include at least part of communication modules such as wireless local area network (WLAN) modules, Bluetooth modules, and baseband modules, and The radio frequency (RF) circuit corresponding to the communication module is used for wireless local area network communication, Bluetooth communication, infrared communication and/or cellular communication system communication, such as wideband code division multiple access (wideband code division multiple access) , WCDMA) and/or high-speed downlink packet access (HSDPA). In addition, the transceiver is also used to control the communication between various components in the terminal device, and can support direct memory access (direct memory access).
  • WLAN wireless local area network
  • RF radio frequency
  • the transceiver is also used to control the communication between various components in the terminal device, and can support direct memory access (direct memory access).
  • the processor 602 is the control center of the terminal device. It uses various interfaces and lines to connect the various parts of the entire hardware device. By running or executing the software programs and/or modules stored in the memory 602, and calling the data stored in the memory, To perform various functions of the terminal device. Further, the processor 602 includes a first processing module 6021 and a second processing module 6022, wherein the first processing module 6021 is configured to configure first frequency configuration information of at least one first antenna 6011, such as a first frequency and a first bandwidth ; The second processing module 6022 is used to configure second frequency configuration information of at least one first antenna 6012, such as a second frequency and a second bandwidth. In addition, information transmission between the first processing module 6021 and the second processing module 6022 can be implemented through a communication bus.
  • Each processing module can be a separate processor or processing circuit or processor core.
  • the configuration operation performed by any processing module may be based on the configuration information from the communication peer, for example, the configuration information is received by a cellular communication base station or a WiFi hotspot to perform the configuration of the operating frequency of the antenna system corresponding to the processing module.
  • the processor 602 may include one or more integrated circuits (ICs) or chips, for example, may include a single packaged IC, or may include multiple packaged ICs connected with the same function or different functions.
  • the processor may only include a CPU, or may further include a combination of a GPU, a digital signal processor (digital signal processor, DSP), and a control chip in the transceiver module.
  • ICs integrated circuits
  • DSP digital signal processor
  • the second processing module 6022 in the processor may be a baseband chip or a unit module integrated on the baseband chip.
  • the first processing module 6021 may also be a control chip or a functional module in a chip circuit.
  • the first processing module 6021 and the second processing module 6022 can be provided separately or together, which is not limited in this embodiment.
  • the second processing module 6022 is a baseband module or a baseband chip or a modem (modem), the second frequency is the frequency of a modem, and the second bandwidth is the bandwidth of the modem.
  • modem modem
  • the processing module corresponding to the first antenna system of the terminal device uses the operating frequency and bandwidth information reported by the processing module corresponding to the second antenna system to determine when interference occurs between the two systems and select the target antenna for selection or Switching makes the selected or switched antenna combination higher isolation, thereby avoiding mutual interference between the two antenna systems and ensuring the user experience of the terminal product.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a network node, computer, server, or data center. Transmission to another site, computer or server via wired or wireless means.
  • the technology in the embodiments of the present application can be implemented by means of software plus a necessary general hardware platform. Based on this understanding, the technical solutions in the embodiments of the present application can be embodied in the form of a software product in essence or a part that contributes to the prior art.
  • the computer software product can be stored in a storage medium, such as ROM/RAM , Magnetic disks, optical disks, etc., including a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in each embodiment or some parts of the embodiment of the present invention.

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Abstract

Un procédé, un dispositif et un appareil de sélection d'antenne sont divulgués. Le procédé comporte les étapes consistant à : acquérir des premières informations de configuration de fréquence et des secondes informations de configuration de fréquence ; déterminer une antenne cible parmi une ou plusieurs secondes antennes candidates selon les premières informations de configuration de fréquence et les secondes informations de configuration de fréquence, l'antenne cible étant une seconde antenne convenant pour effectuer une transmission simultanément avec une ou plusieurs premières antennes ; et utiliser la ou les premières antennes pour exécuter un premier service de communication conforme à une première norme de communication, et utiliser l'antenne cible pour exécuter un second service de communication conforme à une seconde norme de communication, la seconde norme de communication et la première norme de communication étant différentes. Dans le procédé, une antenne cible est utilisée pour exécuter un service de communication conforme à une norme de communication correspondante, ce qui évite une interférence entre un second système d'antennes et un premier système d'antennes. Le procédé a pour effet avantageux de faire fonctionner deux systèmes d'antennes en parallèle sans qu'ils interfèrent entre eux, assurant ainsi l'agrément d'utilisation de produits terminaux.
PCT/CN2019/076999 2019-03-05 2019-03-05 Procédé, dispositif et appareil de sélection d'antenne WO2020177079A1 (fr)

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CN201980006508.3A CN111903066B (zh) 2019-03-05 2019-03-05 一种天线选择方法、装置和设备

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