WO2020073636A1 - 天线共用系统、终端 - Google Patents

天线共用系统、终端 Download PDF

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Publication number
WO2020073636A1
WO2020073636A1 PCT/CN2019/083828 CN2019083828W WO2020073636A1 WO 2020073636 A1 WO2020073636 A1 WO 2020073636A1 CN 2019083828 W CN2019083828 W CN 2019083828W WO 2020073636 A1 WO2020073636 A1 WO 2020073636A1
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WIPO (PCT)
Prior art keywords
multiplexer
antenna
sharing system
signals
receive
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/083828
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English (en)
French (fr)
Inventor
余庆华
王泷
赖玠玮
彭叶新
张严
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spreadtrum Communications Shanghai Co Ltd
Original Assignee
Spreadtrum Communications Shanghai Co Ltd
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.)
Filing date
Publication date
Application filed by Spreadtrum Communications Shanghai Co Ltd filed Critical Spreadtrum Communications Shanghai Co Ltd
Priority to US16/982,836 priority Critical patent/US11387869B2/en
Publication of WO2020073636A1 publication Critical patent/WO2020073636A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H04B7/0693—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas switching off a diversity branch, e.g. to save power
    • 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
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the invention relates to the field of network transmission, in particular to an antenna sharing system and terminal.
  • the 2.4GHz Wireless Local Area Network (Wireless Local Area Network, WLAN) function also known as 2.4GHz Wi-Fi
  • 5GHz Wi-Fi function also known as 2.4GHz Wi-Fi
  • Bluetooth Bluetooth
  • Long Term Evolution (LTE) Long Term Evolution (LTE)
  • GNSS Global Navigation Satellite System
  • the antenna common function is usually set in the terminal, for example, one antenna is used to transmit and receive 5GHz Wi-Fi main signal and 2.4GHz Wi-Fi main signal, and another antenna is used to send and receive 5GHz Wi-Fi auxiliary signal and 2.4 GHz Wi-Fi auxiliary signal, etc.
  • a time-division mechanism is usually adopted, that is, a strobe switch is provided between the communication module and the antenna.
  • the strobe switch is used to switch the antenna to transceiver The 5GHz Wi-Fi primary / secondary signal on the communication module.
  • the gate switch is used to switch the antenna to the 2.4GHz Wi-Fi primary / secondary signal on the communication module.
  • adopting the time division mechanism will seriously affect the data throughput of Wi-Fi and LTE.
  • the technical problem solved by the present invention is to provide an antenna sharing system and terminal, which can effectively improve the antenna utilization and reduce the impact on the data throughput of Wi-Fi and LTE while reducing the number of antennas.
  • an embodiment of the present invention provides an antenna sharing system, including a communication module, the communication module supports 5 GHz Wi-Fi and LTE, and the antenna sharing system further includes: a first antenna; a first multiplexer , The first multiplexer includes at least two multiplex inputs and multiplex outputs, wherein the first multiplex input of the first multiplexer is used to send and receive 5GHz Wi-Fi auxiliary signals, the The second multiplex input terminal of the first multiplexer is used to send and receive LTE auxiliary signals, and the multiplex output terminal of the first multiplexer is connected to the first antenna.
  • the communication module also supports 2.4 GHz Wi-Fi
  • the antenna sharing system further includes: a second antenna for transmitting and receiving 5 GHz Wi-Fi main signals and 2.4 GHz Wi-Fi main signals.
  • the communication module also supports Bluetooth
  • the antenna sharing system further includes: a third antenna, at least used to send and receive 2.4 GHz Wi-Fi auxiliary signals and Bluetooth signals.
  • the communication module also supports GNSS
  • the antenna sharing system further includes: a fourth antenna, used to send and receive GNSS signals.
  • the communication module also supports GNSS, and the third antenna is also used to send and receive GNSS signals;
  • the antenna sharing system further includes: a second multiplexer, and the second multiplexer includes at least two multiplexers. Multiplexer input terminal and multiplexer output terminal, wherein the first multiplexer input terminal of the second multiplexer is used for transceiving GNSS signals, and the second multiplexer input terminal of the second multiplexer is used for transceiving 2.4GHz For the Wi-Fi auxiliary signal and the Bluetooth signal, the multiplexing output terminal of the second multiplexer is connected to the third antenna.
  • the communication module also supports Bluetooth
  • the first multiplexer further includes: a third multiplex input terminal, and the third multiplex input terminal of the first multiplexer is used to transmit and receive 2.4 GHz Wi-Fi Fi auxiliary signal and Bluetooth signal.
  • the communication module also supports GNSS
  • the antenna sharing system further includes: a fourth antenna, used to send and receive GNSS signals.
  • the communication module also supports Bluetooth, the communication module also supports GNSS, and the antenna sharing system further includes: a fourth antenna; a first gating switch, and the first gating switch includes a gating input terminal And at least two strobe outputs, the strobe input of the first strobe switch is connected to the 2.4GHz Wi-Fi auxiliary signal and Bluetooth signal pins on the communication module; the third multiplexer, the first The three multiplexers include at least two multiplex input terminals and multiplex output terminals. The first multiplex input terminal of the third multiplexer is connected to the gate output terminal of the first gate switch.
  • the second multiplexer input terminal of the three multiplexer is used to send and receive GNSS signals, and the multiplexer output terminal of the third multiplexer is connected to the fourth antenna;
  • the first multiplexer further includes: a fourth multiplexer Input terminal, the fourth multiplex input terminal of the first multiplexer is connected to the second gate output terminal of the first gating switch.
  • the gating switch is selected from: a single pole double throw switch and a switch.
  • the antenna sharing system further includes: a second gate switch, the second gate switch includes at least two gate inputs and a gate output, and the first gate of the second gate switch
  • the input terminal is connected to the 2.4 GHz Wi-Fi auxiliary signal and Bluetooth signal pins on the communication module
  • the second gating input terminal of the second gating switch is connected to the LTE auxiliary signal pin on the communication module
  • the gating output terminal of the second gating switch is connected to the second multiplexing input terminal of the first multiplexer.
  • the communication module also supports GNSS
  • the antenna sharing system further includes: a fourth antenna, used to send and receive GNSS signals.
  • the communication module also supports high-power Bluetooth and GNSS;
  • the first multiplexer further includes: a fifth multiplex input terminal, and the fifth multiplex input terminal of the first multiplexer is used for transceiver 2.4GHz Wi-Fi auxiliary signal and Bluetooth high-power mode signal;
  • the antenna sharing system further includes: a fourth antenna for transceiving GNSS signals; a fourth multiplexer, the fourth multiplexer includes at least two multiplexers Multiplexed input and multiplexed output, the first multiplexed input of the fourth multiplexer is used to send and receive Bluetooth signals, and the second multiplexed input of the fourth multiplexer is used to send and receive GNSS signals.
  • the multiplexing output terminal of the fourth multiplexer is connected to the fourth antenna.
  • the antenna sharing system further includes: a fifth multiplexer, the fifth multiplexer includes at least two multiplex input terminals and multiplex output terminals, and the first multiplexer of the fifth multiplexer
  • the I / O input terminal is used to send and receive 5GHz Wi-Fi main signals
  • the second multiplexed input terminal of the fifth multiplexer is used to send and receive 2.4GHz Wi-Fi main signals
  • the multiplexed output terminal of the fifth multiplexer and the first Two antennas are connected.
  • embodiments of the present invention provide a terminal, including the above-mentioned antenna sharing system.
  • an antenna sharing system including a communication module, the communication module supports 5 GHz Wi-Fi and LTE, and the antenna sharing system further includes: a first antenna; a first multiplexer, the The first multiplexer includes at least two multiplexed input terminals and multiplexed output terminals, wherein the first multiplexed input terminal of the first multiplexer is used to transmit and receive a 5 GHz Wi-Fi auxiliary signal, and the first multiplexer The second multiplexer input terminal of the multiplexer is used to send and receive LTE auxiliary signals, and the multiplexer output terminal of the first multiplexer is connected to the first antenna.
  • the first antenna can be used to transmit and receive 5GHz Wi-Fi auxiliary signals and LTE auxiliary signals.
  • two antennas are used to transmit and receive LTE main signals and LTE auxiliary signals, respectively.
  • the first antenna can send and receive signals other than the LTE auxiliary signal, which can effectively improve the antenna utilization; furthermore, the frequency range of the 5GHz Wi-Fi auxiliary signal is different from that of the LTE auxiliary signal. Large, helps to avoid interference caused by shared antennas, and improves the effectiveness of signal transmission and reception.
  • the 2.4GHz Wi-Fi auxiliary signal and the Bluetooth signal are transmitted and received through the shared third antenna.
  • the embodiment of the present invention is used.
  • the scheme uses only 5 antennas, which can reduce the number of antennas.
  • a third antenna is shared to transmit and receive GNSS signals, 2.4 GHz Wi-Fi auxiliary signals, and Bluetooth signals, compared to using separate antennas in the prior art
  • Transmitting Bluetooth signals and GNSS signals separately can be applied to the case where the requirements on the GNSS function are low and the requirements on the LTE function are high, and only four antennas are used, which further reduces the number of antennas.
  • the first antenna is shared to transmit and receive 5 GHz Wi-Fi auxiliary signals, LTE auxiliary signals, and 2.4 GHz Wi-Fi auxiliary signals and Bluetooth Compared with the use of a single antenna to transmit and receive 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals, the solution of the embodiment of the present invention can be applied to the case where the requirements for LTE functions are low and the requirements for GNSS functions are high. When a separate antenna transmits and receives GNSS signals, the number of antennas is further reduced.
  • the first gating switch can be connected to the fourth antenna , Share the fourth antenna to send and receive GNSS signals, 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals; when the first strobe switch is connected to the first antenna, you can also share the first antenna to send and receive 5GHz Wi-Fi auxiliary signals and LTE auxiliary signals As well as the 2.4GHz Wi-Fi auxiliary signal and Bluetooth signal, the solution of the embodiment of the present invention can be flexibly selected to become the second antenna sharing system embodiment or the third antenna sharing system embodiment, so that the user can Choosing to use GNSS and LTE functional requirements will help improve convenience and enhance user experience.
  • the first antenna can be connected to the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal, and the first antenna can also be connected to the LTE auxiliary signal.
  • a duplexer can be used as the first multiplexer, which effectively reduces the cost.
  • the communication module can also support the Bluetooth high power mode function.
  • the first antenna can be shared 5GHz Wi-Fi secondary signal, LTE secondary signal, 2.4GHz Wi-Fi secondary signal and Bluetooth high-power mode signal, share the fourth antenna to send and receive Bluetooth signals and GNSS signals, thus supporting Bluetooth high power without increasing the number of antennas Mode function.
  • FIG. 1 is a schematic structural diagram of an antenna sharing system in the prior art
  • FIG. 2 is a schematic structural diagram of a first antenna sharing system in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a second antenna sharing system in an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a third antenna sharing system in an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a fourth antenna sharing system in an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a fifth antenna sharing system in an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a sixth antenna sharing system in an embodiment of the present invention.
  • a time-division mechanism is usually adopted, that is, a strobe switch is set between the communication module and the antenna.
  • -Fi signal use the strobe switch to switch the antenna to the 5GHz Wi-Fi main / auxiliary signal on the transceiver module
  • the 2.4GHz Wi-Fi signal needs to be transmitted
  • adopting the time division mechanism will seriously affect the data throughput of Wi-Fi and LTE.
  • FIG. 1 is a schematic structural diagram of an antenna sharing system in the prior art.
  • the antenna sharing system may include a communication module that supports 5 GHz Wi-Fi, 2.4 GHz Wi-Fi, LTE, Bluetooth, and GNSS.
  • the Bluetooth may include classic Bluetooth and Bluetooth Low Energy (BLE).
  • BLE Bluetooth Low Energy
  • the antenna sharing system may further include a first antenna 110, a second antenna 120, a third antenna 130, a fourth antenna 140, a fifth antenna 150, and a sixth antenna 160.
  • the first antenna 110 is used to send and receive GNSS signals
  • the second antenna 120 is used to send and receive 2.4 GHz Wi-Fi auxiliary signals and 5 GHz Wi-Fi auxiliary signals
  • the third antenna 130 is used to transmit and receive 2.4 GHz Wi -Fi main signal and 5GHz Wi-Fi main signal
  • the fourth antenna 140 is used to send and receive Bluetooth signals
  • the fifth antenna 150 is used to send and receive LTE auxiliary signals
  • the sixth antenna 160 is used to send and receive LTE main signals.
  • the inventor of the present invention has found through research that in the prior art, in order to avoid the use of a time-division mechanism, more antennas have to be used to send and receive communication signals, and only a common antenna mechanism (such as 2.4 There is a large frequency band difference between the GHz Wi-Fi auxiliary signal and the 5GHz Wi-Fi auxiliary signal and between 2.4GHz Wi-Fi main signal and 5GHz Wi-Fi main signal, which can share the antenna), resulting in a relatively large number of antennas More, the antenna utilization rate is lower.
  • an antenna sharing system including a communication module, the communication module supports 5 GHz Wi-Fi and LTE, and the antenna sharing system further includes: a first antenna; a first multiplexer, the The first multiplexer includes at least two multiplexed input terminals and multiplexed output terminals, wherein the first multiplexed input terminal of the first multiplexer is used to transmit and receive a 5 GHz Wi-Fi auxiliary signal, and the first multiplexer The second multiplexer input terminal of the multiplexer is used to send and receive LTE auxiliary signals, and the multiplexer output terminal of the first multiplexer is connected to the first antenna.
  • the first antenna can be used to transmit and receive 5GHz Wi-Fi auxiliary signals and LTE auxiliary signals.
  • two antennas are used to transmit and receive LTE main signals and LTE auxiliary signals, respectively.
  • the first antenna can send and receive signals other than the LTE auxiliary signal, which can effectively improve the antenna utilization; furthermore, the frequency range of the 5GHz Wi-Fi auxiliary signal is different from that of the LTE auxiliary signal. Large, helps to avoid interference caused by shared antennas, and improves the effectiveness of signal transmission and reception.
  • FIG. 2 is a schematic structural diagram of a first antenna sharing system in an embodiment of the present invention.
  • the first antenna sharing system may include a communication module, and the communication module may support 5 GHz Wi-Fi, 2.4 GHz Wi-Fi, LTE, Bluetooth, and GNSS.
  • the Bluetooth may include classic Bluetooth and BLE.
  • the first antenna sharing system may include a first antenna 210 and a first multiplexer 213.
  • the first multiplexer 213 includes at least two multiplexed input terminals and multiplexed output terminals, wherein the first multiplexed input terminal of the first multiplexer 213 can be used to transmit and receive 5GHz Wi-Fi auxiliary Signal, the second multiplex input of the first multiplexer 213 can be used to send and receive LTE auxiliary signals, and the multiplex output of the first multiplexer 213 can be connected to the first antenna 210.
  • the first antenna 210 can be shared to transmit and receive 5GHz Wi-Fi auxiliary signals and LTE auxiliary signals.
  • two antennas are used to respectively transmit and receive LTE main signals And the LTE auxiliary signal
  • the first antenna 210 can send and receive signals other than the LTE auxiliary signal, which can effectively improve the antenna utilization; furthermore, due to the 5GHz Wi-Fi auxiliary signal frequency band range and the LTE auxiliary signal The frequency range of the signal varies greatly, which helps to avoid interference caused by the shared antenna and improve the effectiveness of signal transmission and reception.
  • the first antenna sharing system may further include a second antenna 220, and the second antenna 220 is used to transmit and receive 5 GHz Wi-Fi main signals and 2.4 GHz Wi-Fi main signals.
  • the first antenna sharing system may further include a filter 221 and a fifth multiplexer 223.
  • the filter 221 can filter the 2.4GHz Wi-Fi main signal, and further, the filter 221 can be a surface acoustic wave filter (Surface Acoustic Wave Filter, SAW Filter) to better meet the filtering demand.
  • a surface acoustic wave filter Surface Acoustic Wave Filter, SAW Filter
  • the fifth multiplexer 223 may include at least two multiplexed input terminals and multiplexed output terminals.
  • the first multiplexed input terminal of the fifth multiplexer 223 may be used to send and receive 5 GHz Wi-Fi main signals.
  • the second multiplexer input terminal of the five multiplexer 223 may be used to transmit and receive a 2.4 GHz Wi-Fi main signal, and the multiplexer output terminal of the fifth multiplexer 223 may be connected to the second antenna.
  • the first antenna sharing system may further include a third antenna 230, and the third antenna 230 may be used to at least transmit and receive a 2.4GHz Wi-Fi auxiliary signal and a Bluetooth signal.
  • the first antenna sharing system may further include a filter 231.
  • the filter 231 can filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal. Furthermore, the filter 231 can be a SAW Filter to better meet the filtering requirements.
  • the 2.4GHz Wi-Fi auxiliary signal and the Bluetooth signal are transmitted and received through the shared third antenna 230.
  • the solution of the embodiment of the present invention is adopted. , You can reduce the number of antennas.
  • the first antenna sharing system may further include a fourth antenna 240, and the fourth antenna 240 is used to send and receive GNSS signals.
  • the first antenna sharing system may further include a filter 241 and an amplifier 242.
  • the filter 241 can filter the GNSS signal. Furthermore, the filter 241 may be a surface acoustic wave filter (Surface Acoustic Wave Filter, SAW Filter) to better meet the filtering requirements.
  • SAW Filter Surface Acoustic Wave Filter
  • the amplifier 242 can amplify the GNSS signal. Furthermore, the amplifier 242 may be a low noise amplifier (Low Noise Amplifier, LNA) to better meet the amplification requirements.
  • LNA Low Noise Amplifier
  • the fourth antenna 240 alone to transmit and receive GNSS signals, the GNSS signal requirements in the prior art can be maintained.
  • the first antenna sharing system may further include a fifth antenna 250, and the fifth antenna 250 is used to transmit and receive LTE main signals.
  • the second antenna sharing system of the embodiment of the present invention five antennas are used, which is effective in reducing the number of antennas compared with at least six antennas in the prior art.
  • the second antenna sharing system may include a communication module, and the communication module may support 5 GHz Wi-Fi, 2.4 GHz Wi-Fi, LTE, Bluetooth, and GNSS.
  • the Bluetooth may include classic Bluetooth and BLE.
  • the second antenna sharing system may include a first antenna 310, a first multiplexer 313, a second antenna 320, a filter 321, a fifth multiplexer 323, and a fifth antenna 350.
  • the first antenna 310 and the first multiplexer 313 please refer to the first antenna 210 and the first multiplexer 213 in FIG. 2, and about the second antenna 320, the filter 321, and the fifth
  • the second antenna 220, filter 221, and fifth multiplexer 223 in FIG. 2 please refer to the second antenna 220, filter 221, and fifth multiplexer 223 in FIG. 2.
  • the fifth antenna 350 please refer to the fifth antenna 250 in FIG. , No more details here.
  • the second antenna sharing system may further include a third antenna 330 and a second multiplexer 333.
  • the second multiplexer 333 includes at least two multiplexed input terminals and multiplexed output terminals, wherein the first multiplexed input terminal of the second multiplexer 333 is used to send and receive GNSS signals.
  • the second multiplexer input terminal of the second multiplexer 333 is used to send and receive 2.4 GHz Wi-Fi auxiliary signals and Bluetooth signals.
  • the multiplexer output terminal of the second multiplexer 333 is connected to the third antenna 330.
  • the first antenna sharing system may further include a filter 331, a filter 341, and an amplifier 342.
  • the filter 331 can filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal, and the filter 341 can filter the GNSS signal.
  • the filter 331 and the filter 341 may be SAW Filters to better meet the filtering requirements.
  • the amplifier 342 can amplify the GNSS signal. Furthermore, the amplifier 342 may be an LNA to better meet the amplification requirements.
  • the third antenna 330 is shared to send and receive GNSS signals, 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals, compared with the use of separate antennas in the prior art Transmitting Bluetooth signals and GNSS signals separately, using the solution of the embodiment of the present invention, can be applied to the case where the requirements for the GNSS function are relatively low and the requirements for the LTE function are relatively high, and only four antennas are used to further reduce the number of antennas.
  • FIG. 4 is a schematic structural diagram of a third antenna sharing system in an embodiment of the present invention.
  • the third antenna sharing system may include a communication module, and the communication module may support 5 GHz Wi-Fi, 2.4 GHz Wi-Fi, LTE, Bluetooth, and GNSS.
  • the Bluetooth may include classic Bluetooth and BLE.
  • the third antenna sharing system may include a first antenna 410, a second antenna 420, a filter 421, a fifth multiplexer 423, a fourth antenna 440, a filter 441, an amplifier 442, and a fifth antenna 450.
  • the first antenna 410 please refer to the first antenna 210 in FIG. 2, for more details about the second antenna 420, filter 421, and fifth multiplexer 423, please refer to FIG. 2.
  • the fifth antenna 450 please refer to the fifth antenna 250 in FIG. 2, which will not be repeated here.
  • the third antenna sharing system may further include a first multiplexer 413, the first multiplexer 413 includes at least three multiplex input terminals and multiplex output terminals, wherein the first multiplexer The first multiplexer input terminal of the multiplexer 413 is used to transmit and receive 5 GHz Wi-Fi auxiliary signals, and the second multiplexer input terminal of the first multiplexer 413 is used to transmit and receive LTE auxiliary signals, and the first multiplexer 413 The third multiplex input terminal is used to send and receive 2.4 GHz Wi-Fi auxiliary signals and Bluetooth signals.
  • the multiplex output terminal of the first multiplexer 413 is connected to the first antenna 410.
  • the fourth antenna 440 alone to transmit and receive GNSS signals, the GNSS signal requirements in the prior art can be maintained.
  • the third antenna sharing system may further include a filter 431, and the filter 431 may filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal.
  • the filter 431 may be a SAW Filter to better meet the filtering requirements.
  • the first antenna 410 is shared to send and receive 5GHz Wi-Fi auxiliary signals, LTE auxiliary signals, and 2.4GHz Wi-Fi auxiliary signals and Bluetooth Compared with the use of a single antenna to transmit and receive 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals, the solution of the embodiment of the present invention can be applied to the case where the requirements for LTE functions are low and the requirements for GNSS functions are high. When a separate antenna transmits and receives GNSS signals, the number of antennas is further reduced.
  • FIG. 5 is a schematic structural diagram of a fourth antenna sharing system in an embodiment of the present invention.
  • the fourth antenna sharing system may include a communication module, and the communication module may support 5 GHz Wi-Fi, 2.4 GHz Wi-Fi, LTE, Bluetooth, and GNSS.
  • the Bluetooth may include classic Bluetooth and BLE.
  • the fourth antenna sharing system may include a first antenna 510, a second antenna 520, a filter 521, a fifth multiplexer 523, and a fifth antenna 550.
  • first antenna 510 please refer to the first antenna 210 in FIG. 2, and for more details about the second antenna 520, filter 521, and fifth multiplexer 523, please refer to FIG. 2.
  • fifth antenna 550 please refer to the fifth antenna 250 in FIG. 2, which is not repeated here.
  • the fourth antenna sharing system may further include a first multiplexer 513, a first gate switch 534, a third multiplexer 533, and a fourth antenna 540.
  • the first gating switch 534 may include a gating input terminal and at least two gating output terminals.
  • the gating input terminal of the first gating switch 534 is connected to the 2.4 GHz Wi-Fi auxiliary on the communication module Signal and Bluetooth signal pins.
  • the third multiplexer 533 includes at least two multiplex input terminals and multiplex output terminals.
  • the first multiplex input terminal of the third multiplexer 533 is connected to the gate of the first gate switch 534 At the output end, the second multiplexer input end of the third multiplexer 533 is used to send and receive GNSS signals, and the multiplexer output end of the third multiplexer 533 is connected to the fourth antenna 540.
  • the first multiplexer 513 includes at least three multiplexed inputs and multiplexed outputs.
  • the first multiplexed input of the first multiplexer 513 is used to send and receive 5GHz Wi-Fi auxiliary signals.
  • the second multiplex input terminal of the first multiplexer 513 is used to send and receive LTE auxiliary signals, and the fourth multiplex input terminal of the first multiplexer 513 is connected to the second selection of the first gating switch 534
  • the output end of the first multiplexer 513 is connected to the first antenna 510.
  • the gating switch may be selected from a single pole double throw switch and a switch.
  • the fourth antenna sharing system may further include a filter 541 and an amplifier 542.
  • the filter 541 can filter the GNSS signal. Furthermore, the filter 541 may be a SAW Filter to better meet the filtering requirements.
  • the amplifier 542 can amplify the GNSS signal. Furthermore, the amplifier 542 may be an LNA to better meet the amplification requirements.
  • the fourth antenna sharing system may further include a filter 531.
  • the filter 531 can filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal. Furthermore, the filter 531 may be a SAW Filter to better meet the filtering requirements.
  • the first gating switch 534 can be connected to When the fourth antenna 540 is used, the fourth antenna 540 is shared to send and receive GNSS signals, 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals; when the first strobe switch 534 is connected to the first antenna 510, the first antenna 510 is also used to send and receive 5GHz Wi-Fi secondary signal, LTE secondary signal, 2.4GHz Wi-Fi secondary signal and Bluetooth signal, adopting the solution of the embodiment of the present invention, can be flexibly selected by the first gating switch 534 to become the second antenna sharing system embodiment Or it becomes the third embodiment of the antenna sharing system, so that the user can choose to use according to the difference in level requirements for GNSS and LTE functions, which helps to improve convenience and enhance user experience.
  • FIG. 6 is a schematic structural diagram of a fifth antenna sharing system in an embodiment of the present invention.
  • the fifth antenna sharing system may include a first antenna 610, a second antenna 620, a filter 621, a fifth multiplexer 623, a fourth antenna 640, a filter 641, an amplifier 642, and a fifth antenna 650.
  • first antenna 610 please refer to the first antenna 210 in FIG. 2, and for more details about the second antenna 620, filter 621, and fifth multiplexer 623, please refer to FIG. 2.
  • fifth antenna 650 please refer to the fifth antenna 250 in FIG. 2, which will not be repeated here.
  • the fifth antenna sharing system may further include a second gating switch 614, a filter 631, and a first multiplexer 613.
  • the second gating switch 614 includes at least two gating inputs and a gating output.
  • the first gating input of the second gating switch 614 can be connected to the 2.4 GHz Wi-Fi on the communication module.
  • the second gating input terminal of the second gating switch 614 may be connected to the pins of the LTE auxiliary signal on the communication module, and the gating of the second gating switch 614 The output terminal is connected to the second multiplex input terminal of the first multiplexer 613.
  • the first multiplexer 613 includes at least two multiplex inputs and multiplex outputs.
  • the first multiplex input of the first multiplexer 613 is used to send and receive 5GHz Wi-Fi auxiliary signals.
  • the second multiplexer input terminal of the first multiplexer 613 is used to send and receive LTE auxiliary signals, or send and receive 2.4GHz Wi-Fi auxiliary signals and Bluetooth signals according to the second gating switch 614, and the first multiplexer 613 Is connected to the first antenna 610.
  • the filter 631 can filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal. Furthermore, the filter 631 can be a SAW Filter to better meet the filtering requirements.
  • the first antenna 610 can be connected to the 2.4GHz Wi-Fi auxiliary signal and the Bluetooth signal, and the first antenna 610 can also be connected to the LTE auxiliary signal. Can effectively improve the antenna utilization.
  • a duplexer can be used as the first multiplexer 613 , Effectively reduce costs.
  • FIG. 7 is a schematic structural diagram of a sixth antenna sharing system in an embodiment of the present invention.
  • the sixth antenna sharing system may include a first antenna 710, a second antenna 720, a filter 721, a fifth multiplexer 723, a fourth antenna 740, a filter 741, an amplifier 742, and a fifth antenna 750.
  • first antenna 710 please refer to the first antenna 210 in FIG. 2, for more details about the second antenna 720, the filter 721, and the fifth multiplexer 723, please refer to FIG. 2.
  • second antenna 220, filter 221, and fifth multiplexer 223, for more details about the fourth antenna 740, filter 741, and amplifier 742 please refer to the fourth antenna 240, filter 241, and amplifier 242 in FIG.
  • fifth antenna 750 please refer to the fifth antenna 250 in FIG. 2, which will not be repeated here.
  • the sixth antenna sharing system may further include a first multiplexer 713, a filter 731, and a fourth multiplexer 733.
  • the fourth multiplexer 733 includes at least two multiplexed input terminals and multiplexed output terminals.
  • the first multiplexed input terminal of the fourth multiplexer 733 is used to send and receive Bluetooth signals.
  • the second multiplexer input terminal of the multiplexer 733 is used to send and receive GNSS signals, and the multiplexer output terminal of the fourth multiplexer 733 is connected to the fourth antenna 740.
  • the first multiplexer 713 includes at least three multiplexed input terminals and multiplexed output terminals.
  • the first multiplexed input terminal of the first multiplexer 713 is used to send and receive 5 GHz Wi-Fi auxiliary signals.
  • the second multiplex input terminal of the first multiplexer 713 is used to send and receive LTE auxiliary signals, and the fifth multiplex input terminal of the first multiplexer 713 is used to send and receive 2.4 GHz Wi-Fi auxiliary signals and Bluetooth high power A High (Power, Mode, HPM) signal, the multiplexing output of the first multiplexer 713 is connected to the first antenna 710.
  • High Power, Mode, HPM
  • the filter 731 can filter the 2.4 GHz Wi-Fi auxiliary signal and the Bluetooth signal. Furthermore, the filter 731 can be a SAW Filter to better meet the filtering requirements.
  • the communication module can also support the Bluetooth high power mode function.
  • the first antenna 710 can be shared Transmit and receive 5GHz Wi-Fi auxiliary signal, LTE auxiliary signal, 2.4GHz Wi-Fi auxiliary signal and Bluetooth high power mode signal, share the fourth antenna 740 to send and receive Bluetooth signal and GNSS signal, so as to support Bluetooth without increasing the number of antennas High power mode function.
  • An embodiment of the present invention further provides a terminal, and the terminal may include the antenna sharing system shown in FIGS. 2 to 7.
  • the terminal includes but is not limited to terminal devices such as mobile phones, computers, and tablet computers. For example, it may also include a cloud platform, a car networking server, an internet of things server, and so on.

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Abstract

一种天线共用系统、终端，所述天线共用系统包括通信模块，所述通信模块支持5GHz Wi-Fi以及LTE，所述天线共用系统还包括：第一天线；第一多工器，所述第一多工器至少包含两个多工输入端以及多工输出端，其中，所述第一多工器的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器的第二多工输入端用于收发LTE辅信号，所述第一多工器的多工输出端与所述第一天线连接。本发明方案可以有效地提高天线利用率，并在减少天线数量的同时，降低对Wi-Fi、LTE的数据吞吐量的影响。

Description

天线共用系统、终端
本申请要求于2018年10月11日提交中国专利局、申请号为201811184301.9、发明名称为“天线共用系统、终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及网络传输领域，尤其是涉及一种天线共用系统、终端。
背景技术
在现有技术中，2.4GHz无线局域网(Wireless Local Area Network，WLAN)功能(又称为2.4GHz Wi-Fi)，5GHz Wi-Fi功能、蓝牙(Bluetooth)功能、长期演进(Long Term Evolution，LTE)功能以及GNSS(Global Navigation Satellite System，全球导航卫星系统)功能被广泛集成应用于手机、平板等终端中。
由于终端内天线空间的限制，通常在终端中设置天线共用功能，例如采用一条天线收发5GHz Wi-Fi主信号以及2.4GHz Wi-Fi主信号，采用另一条天线收发5GHz Wi-Fi辅信号以及2.4GHz Wi-Fi辅信号等。
在现有的天线共用技术中，通常采用时分机制，也即在通信模块和天线之间设置选通开关，当需要传输5GHz Wi-Fi信号时，则利用该选通开关将该天线切换为收发通信模块上5GHz Wi-Fi主/辅信号，当需要传输2.4GHz Wi-Fi信号时，则利用该选通开关将该天线切换为收发通信模块上2.4GHz Wi-Fi主/辅信号。然而，采用时分机制会严重影响Wi-Fi以及LTE的数据吞吐量。
亟需一种天线共用系统，可以在减少天线数量的同时，降低对Wi-Fi、LTE的数据吞吐量的影响。
发明内容
本发明解决的技术问题是提供一种天线共用系统、终端，可以有效地提高天线利用率，并在减少天线数量的同时，降低对Wi-Fi、LTE的数据吞吐量的影响。
为解决上述技术问题，本发明实施例提供一种天线共用系统，包括通信模块，所述通信模块支持5GHz Wi-Fi以及LTE，所述天线共用系统还包括：第一天线；第一多工器，所述第一多工器至少包含两个多工输入端以及多工输出端，其中，所述第一多工器的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器的第二多工输入端用于收发LTE辅信号，所述第一多工器的多工输出端与所述第一天线连接。
可选的，所述通信模块还支持2.4GHz Wi-Fi，所述天线共用系统还包括：第二天线，用于收发5GHz Wi-Fi主信号以及2.4GHz Wi-Fi主信号。
可选的，所述通信模块还支持蓝牙，所述天线共用系统还包括：第三天线，至少用于收发2.4GHz Wi-Fi辅信号和蓝牙信号。
可选的，所述通信模块还支持GNSS，所述天线共用系统还包括：第四天线，用于收发GNSS信号。
可选的，所述通信模块还支持GNSS，所述第三天线还用于收发GNSS信号；所述天线共用系统还包括：第二多工器，所述第二多工器至少包含两个多工输入端以及多工输出端，其中，所述第二多工器的第一多工输入端用于收发GNSS信号，所述第二多工器的第二多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙信号，所述第二多工器的多工输出端与所述第三天线连接。
可选的，所述通信模块还支持蓝牙，所述第一多工器还包括：第三多工输入端，所述第一多工器的第三多工输入端用于收发2.4GHz  Wi-Fi辅信号和蓝牙信号。
可选的，所述通信模块还支持GNSS，所述天线共用系统还包括：第四天线，用于收发GNSS信号。
可选的，所述通信模块还支持蓝牙，所述通信模块还支持GNSS，所述天线共用系统还包括：第四天线；第一选通开关，所述第一选通开关包括选通输入端以及至少两个选通输出端，所述第一选通开关的选通输入端连接所述通信模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚；第三多工器，所述第三多工器至少包含两个多工输入端以及多工输出端，所述第三多工器的第一多工输入端连接至所述第一选通开关的选通输出端，所述第三多工器的第二多工输入端用于收发GNSS信号，所述第三多工器的多工输出端与所述第四天线连接；所述第一多工器还包括：第四多工输入端，所述第一多工器的第四多工输入端连接至所述第一选通开关的第二选通输出端。
可选的，所述选通开关选自：单刀双掷开关以及切换器。
可选的，所述天线共用系统还包括：第二选通开关，所述第二选通开关包括至少两个选通输入端以及选通输出端，所述第二选通开关的第一选通输入端连接所述通信模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚，所述第二选通开关的第二选通输入端连接所述通信模块上LTE辅信号的引脚，所述第二选通开关的选通输出端连接所述第一多工器的第二多工输入端。
可选的，所述通信模块还支持GNSS，所述天线共用系统还包括：第四天线，用于收发GNSS信号。
可选的，所述通信模块还支持高功率蓝牙和GNSS；所述第一多工器还包括：第五多工输入端，所述第一多工器的第五多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙高功率模式信号；所述天线共用系统还包括：第四天线，用于收发GNSS信号；第四多工器，所述第四多工器至少包含两个多工输入端以及多工输出端，所述第四多工器 的第一多工输入端用于收发蓝牙信号，所述第四多工器的第二多工输入端用于收发GNSS信号，所述第四多工器的多工输出端与所述第四天线连接。
可选的，所述天线共用系统还包括：第五多工器，所述第五多工器至少包含两个多工输入端以及多工输出端，所述第五多工器的第一多工输入端用于收发5GHz Wi-Fi主信号，第五多工器的第二多工输入端用于收发2.4GHz Wi-Fi主信号，第五多工器的多工输出端与所述第二天线连接。
为解决上述技术问题，本发明实施例提供一种终端，包括上述的天线共用系统。
与现有技术相比，本发明实施例的技术方案具有以下有益效果：
在本发明实施例中，提供一种天线共用系统，包括通信模块，所述通信模块支持5GHz Wi-Fi以及LTE，所述天线共用系统还包括：第一天线；第一多工器，所述第一多工器至少包含两个多工输入端以及多工输出端，其中，所述第一多工器的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器的第二多工输入端用于收发LTE辅信号，所述第一多工器的多工输出端与所述第一天线连接。采用上述方案，通过设置第一多工器，可以共用第一天线收发5GHz Wi-Fi辅信号和LTE辅信号，相比于现有技术中采用两条天线分别收发LTE主信号和LTE辅信号，采用本发明实施例的方案，第一天线可以收发除了LTE辅信号之外的信号，可以有效地提高天线利用率；进而由于5GHz Wi-Fi辅信号的频段范围与LTE辅信号的频段范围差别较大，有助于避免由于共用天线而导致干扰，提高信号收发的有效性。
进一步，在第一种天线共用系统实施例中，通过共用第三天线收发2.4GHz Wi-Fi辅信号和蓝牙信号，相比于现有技术中采用单独天线收发蓝牙信号，采用本发明实施例的方案，只采用5根天线，可以减少天线数量。
进一步，在第二种天线共用系统实施例中，通过设置第二多工器，共用第三天线收发GNSS信号、2.4GHz Wi-Fi辅信号和蓝牙信号，相比于现有技术中采用单独天线分别收发蓝牙信号以及GNSS信号，采用本发明实施例的方案，可以适用于对GNSS功能要求较低，而对LTE功能要求较高的情况，并且只采用4根天线，进一步减少天线数量。
进一步，在第三种天线共用系统实施例中，通过设置第一多工器为三工器，共用第一天线收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙信号，相比于采用单独天线收发2.4GHz Wi-Fi辅信号和蓝牙信号，采用本发明实施例的方案，可以适用于对LTE功能要求较低，而对GNSS功能要求较高的情况，在采用单独天线收发GNSS信号时，进一步减少天线数量。
进一步，在第四种天线共用系统实施例中，通过设置第一选通开关、第三多工器、第一多工器为三工器，可以在第一选通开关连接至第四天线时，共用第四天线收发GNSS信号、2.4GHz Wi-Fi辅信号和蓝牙信号；还可以在第一选通开关连接至第一天线时，共用第一天线收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙信号，采用本发明实施例的方案，可以灵活地选择变为第二种天线共用系统实施例或变为第三种天线共用系统实施例，从而使用户根据对GNSS以及LTE功能要求的高低差异，选择使用，有助于提高便利性，增强用户体验度。
进一步，在第五种天线共用系统实施例中，通过设置第二选通开关，可以使第一天线连接2.4GHz Wi-Fi辅信号和蓝牙信号，还可以使第一天线连接LTE辅信号，相比于在第三种天线共用系统实施例中设置第一多工器为三工器，采用本发明实施例的方案，可以采用双工器作为第一多工器，有效地降低成本。
进一步，在第六种天线共用系统实施例中，通信模块还可以支持蓝牙高功率模式功能，通过设置第四多工器，以及设置第一多工器为 三工器，可以共用第一天线收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙高功率模式信号，共用第四天线收发蓝牙信号以及GNSS信号，从而在无需增加天线数量的情况下，支持蓝牙高功率模式功能。
附图说明
图1是现有技术中一种天线共用系统的结构示意图；
图2是本发明实施例中第一种天线共用系统的结构示意图；
图3是本发明实施例中第二种天线共用系统的结构示意图；
图4是本发明实施例中第三种天线共用系统的结构示意图；
图5是本发明实施例中第四种天线共用系统的结构示意图；
图6是本发明实施例中第五种天线共用系统的结构示意图；
图7是本发明实施例中第六种天线共用系统的结构示意图。
具体实施方式
在现有的天线共用技术中，由于终端内天线空间的限制，在终端中设置天线共用功能时，通常采用时分机制，也即在通信模块和天线之间设置选通开关，当需要传输5GHz Wi-Fi信号时，则利用该选通开关将该天线切换为收发通信模块上5GHz Wi-Fi主/辅信号，当需要传输2.4GHz Wi-Fi信号时，则利用该选通开关将该天线切换为收发通信模块上2.4GHz Wi-Fi主/辅信号。然而，采用时分机制会严重影响Wi-Fi以及LTE的数据吞吐量。
图1是现有技术中一种天线共用系统的结构示意图。
所述天线共用系统可以包括通信模块，所述通信模块支持5GHz Wi-Fi、2.4GHz Wi-Fi、LTE、蓝牙以及GNSS。
其中，所述蓝牙可以包括经典蓝牙以及低功耗蓝牙(Bluetooth Low Energy，BLE)。
在具体实施中，所述天线共用系统还可以包括第一天线110、第二天线120、第三天线130、第四天线140、第五天线150以及第六天线160。
其中，所述第一天线110用于收发GNSS信号，所述第二天线120用于收发2.4GHz Wi-Fi辅信号和5GHz Wi-Fi辅信号，所述第三天线130用于收发2.4GHz Wi-Fi主信号和5GHz Wi-Fi主信号，所述第四天线140用于收发蓝牙信号，所述第五天线150用于收发LTE辅信号，所述第六天线160用于收发LTE主信号。
本发明的发明人经过研究发现，在现有技术中，为了避免采用时分机制，不得不采用较多的天线收发通信信号，仅能够在信号的频段范围差异较大时采用共用天线机制(例如2.4GHz Wi-Fi辅信号和5GHz Wi-Fi辅信号之间以及2.4GHz Wi-Fi主信号和5GHz Wi-Fi主信号之间均具有较大的频段范围差异，可以共用天线)，导致天线数量较多，天线利用率较低。
在本发明实施例中，提供一种天线共用系统，包括通信模块，所述通信模块支持5GHz Wi-Fi以及LTE，所述天线共用系统还包括：第一天线；第一多工器，所述第一多工器至少包含两个多工输入端以及多工输出端，其中，所述第一多工器的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器的第二多工输入端用于收发LTE辅信号，所述第一多工器的多工输出端与所述第一天线连接。采用上述方案，通过设置第一多工器，可以共用第一天线收发5GHz Wi-Fi辅信号和LTE辅信号，相比于现有技术中采用两条天线分别收发LTE主信号和LTE辅信号，采用本发明实施例的方案，第一天线可以收发除了LTE辅信号之外的信号，可以有效地提高天线利用率；进而由于5GHz Wi-Fi辅信号的频段范围与LTE辅信号的频段范围差别较大，有助于避免由于共用天线而导致干扰，提高信号收发的有效性。
为使本发明的上述目的、特征和有益效果能够更为明显易懂，下面结合附图对本发明的具体实施例做详细的说明。
图2是本发明实施例中第一种天线共用系统的结构示意图。
所述第一种天线共用系统可以包括通信模块，所述通信模块可以支持5GHz Wi-Fi、2.4GHz Wi-Fi、LTE、蓝牙以及GNSS。其中，所述蓝牙可以包括经典蓝牙以及BLE。
所述第一种天线共用系统可以包括第一天线210、第一多工器213。
其中，所述第一多工器213至少包含两个多工输入端以及多工输出端，其中，所述第一多工器213的第一多工输入端可以用于收发5GHz Wi-Fi辅信号，所述第一多工器213的第二多工输入端可以用于收发LTE辅信号，所述第一多工器213的多工输出端可以与所述第一天线210连接。
在本发明实施例中，通过设置第一多工器213，可以共用第一天线210收发5GHz Wi-Fi辅信号和LTE辅信号，相比于现有技术中采用两条天线分别收发LTE主信号和LTE辅信号，采用本发明实施例的方案，第一天线210可以收发除了LTE辅信号之外的信号，可以有效地提高天线利用率；进而由于5GHz Wi-Fi辅信号的频段范围与LTE辅信号的频段范围差别较大，有助于避免由于共用天线而导致干扰，提高信号收发的有效性。
进一步地，所述第一种天线共用系统还可以包括第二天线220，所述第二天线220用于收发5GHz Wi-Fi主信号以及2.4GHz Wi-Fi主信号。
更进一步地，所述第一种天线共用系统还可以包括滤波器221以及第五多工器223。
其中，所述滤波器221可以对2.4GHzWi-Fi主信号进行滤波，更进一步地，所述滤波器221可以为声表面波滤波器(Surface Acoustic  Wave Filter，SAW Filter)，以更好地满足滤波需求。
所述第五多工器223可以至少包含两个多工输入端以及多工输出端，所述第五多工器223的第一多工输入端可以用于收发5GHz Wi-Fi主信号，第五多工器223的第二多工输入端可以用于收发2.4GHz Wi-Fi主信号，第五多工器223的多工输出端可以与所述第二天线连接。
进一步地，所述第一种天线共用系统还可以包括第三天线230，所述第三天线230可以至少用于收发2.4GHz Wi-Fi辅信号和蓝牙信号。
更进一步地，所述第一种天线共用系统还可以包括滤波器231。
其中，所述滤波器231可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波，更进一步地，所述滤波器231可以为SAW Filter，以更好地满足滤波需求。
在第一种天线共用系统实施例中，通过共用第三天线230收发2.4GHz Wi-Fi辅信号和蓝牙信号，相比于现有技术中采用单独天线收发蓝牙信号，采用本发明实施例的方案，可以减少天线数量。
进一步地，所述第一种天线共用系统还可以包括第四天线240，所述第四天线240用于收发GNSS信号。
更进一步地，所述第一种天线共用系统还可以包括滤波器241以及放大器242。
其中，所述滤波器241可以对GNSS信号进行滤波。更进一步地，所述滤波器241可以为声表面波滤波器(Surface Acoustic Wave Filter，SAW Filter)，以更好地满足滤波需求。
所述放大器242可以对GNSS信号进行放大。更进一步地，所述放大器242可以为低噪声放大器(Low Noise Amplifier，LNA)，以更好的满足放大需求。
在第一种天线共用系统实施例中，通过单独采用第四天线240收发GNSS信号，可以维持现有技术中的GNSS信号需求。
进一步地，所述第一种天线共用系统还可以包括第五天线250，所述第五天线250用于收发LTE主信号。
在本发明实施例的第二种天线共用系统中，采用五根天线，相比于现有技术中至少采用六根天线，有效地减少了天线数量。
图3是本发明实施例中第二种天线共用系统的结构示意图。所述第二种天线共用系统可以包括通信模块，所述通信模块可以支持5GHz Wi-Fi、2.4GHz Wi-Fi、LTE、蓝牙以及GNSS。其中，所述蓝牙可以包括经典蓝牙以及BLE。
所述第二种天线共用系统可以包括第一天线310、第一多工器313、第二天线320、滤波器321、第五多工器323以及第五天线350。
其中，有关第一天线310、第一多工器313的更多详细内容请参照图2中的第一天线210、第一多工器213，有关第二天线320、滤波器321、第五多工器323的更多详细内容请参照图2中的第二天线220、滤波器221、第五多工器223，有关第五天线350的更多详细内容请参照图2中的第五天线250，此处不再赘述。
在具体实施中，所述第二种天线共用系统还可以包括第三天线330以及第二多工器333。其中，所述第二多工器333至少包含两个多工输入端以及多工输出端，其中，所述第二多工器333的第一多工输入端用于收发GNSS信号，所述第二多工器333的第二多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙信号，所述第二多工器333的多工输出端与所述第三天线330连接。
进一步地，所述第一种天线共用系统还可以包括滤波器331、滤波器341、以及放大器342。
其中，所述滤波器331可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波，所述滤波器341可以对GNSS信号进行滤波。
更进一步地，所述滤波器331以及滤波器341可以为SAW Filter，以更好地满足滤波需求。
所述放大器342可以对GNSS信号进行放大。更进一步地，所述放大器342可以为LNA，以更好的满足放大需求。
在第二种天线共用系统实施例中，通过设置第二多工器323，共用第三天线330收发GNSS信号、2.4GHz Wi-Fi辅信号和蓝牙信号，相比于现有技术中采用单独天线分别收发蓝牙信号以及GNSS信号，采用本发明实施例的方案，可以适用于对GNSS功能要求较低，而对LTE功能要求较高的情况，并且只采用4根天线，进一步减少天线数量。
参照图4，图4是本发明实施例中第三种天线共用系统的结构示意图。所述第三种天线共用系统可以包括通信模块，所述通信模块可以支持5GHz Wi-Fi、2.4GHz Wi-Fi、LTE、蓝牙以及GNSS。其中，所述蓝牙可以包括经典蓝牙以及BLE。
所述第三种天线共用系统可以包括第一天线410、第二天线420、滤波器421、第五多工器423、第四天线440、滤波器441、放大器442以及第五天线450。
其中，有关第一天线410的更多详细内容请参照图2中的第一天线210，有关第二天线420、滤波器421、第五多工器423的更多详细内容请参照图2中的第二天线220、滤波器221、第五多工器223，有关第四天线440、滤波器441、放大器442的更多详细内容请参照图2中的第四天线240、滤波器241、放大器242，有关第五天线450的更多详细内容请参照图2中的第五天线250，此处不再赘述。
进一步地，所述第三种天线共用系统还可以包括第一多工器413，所述第一多工器413至少包含三个多工输入端以及多工输出端，其中，所述第一多工器413的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器413的第二多工输入端用于收发LTE辅信号， 所述第一多工器413的第三多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙信号，所述第一多工器413的多工输出端与所述第一天线410连接。
在第三种天线共用系统实施例中，通过单独采用第四天线440收发GNSS信号，可以维持现有技术中的GNSS信号需求。
进一步地，所述第三种天线共用系统还可以包括滤波器431，所述滤波器431可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波。
更进一步地，所述滤波器431可以为SAW Filter，以更好地满足滤波需求。
在第三种天线共用系统实施例中，通过设置第一多工器413为三工器，共用第一天线410收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙信号，相比于采用单独天线收发2.4GHz Wi-Fi辅信号和蓝牙信号，采用本发明实施例的方案，可以适用于对LTE功能要求较低，而对GNSS功能要求较高的情况，在采用单独天线收发GNSS信号时，进一步减少天线数量。
参照图5，图5是本发明实施例中第四种天线共用系统的结构示意图。所述第四种天线共用系统可以包括通信模块，所述通信模块可以支持5GHz Wi-Fi、2.4GHz Wi-Fi、LTE、蓝牙以及GNSS。其中，所述蓝牙可以包括经典蓝牙以及BLE。
所述第四种天线共用系统可以包括第一天线510、第二天线520、滤波器521、第五多工器523以及第五天线550。
其中，有关第一天线510的更多详细内容请参照图2中的第一天线210，有关第二天线520、滤波器521、第五多工器523的更多详细内容请参照图2中的第二天线220、滤波器221、第五多工器223，有关第五天线550的更多详细内容请参照图2中的第五天线250，此处不再赘述。
在具体实施中，所述第四种天线共用系统还可以包括第一多工器 513、第一选通开关534、第三多工器533以及第四天线540。
其中，所述第一选通开关534可以包括选通输入端以及至少两个选通输出端，所述第一选通开关534的选通输入端连接所述通信模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚。
所述第三多工器533至少包含两个多工输入端以及多工输出端，所述第三多工器533的第一多工输入端连接至所述第一选通开关534的选通输出端，所述第三多工器533的第二多工输入端用于收发GNSS信号，所述第三多工器533的多工输出端与所述第四天线540连接。
所述第一多工器513至少包含三个多工输入端以及多工输出端，其中，所述第一多工器513的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器513的第二多工输入端用于收发LTE辅信号，所述第一多工器513的第四多工输入端连接至所述第一选通开关534的第二选通输出端，所述第一多工器513的多工输出端与所述第一天线510连接。
进一步地，所述选通开关可以选自：单刀双掷开关以及切换器(Switch)。
更进一步地，所述第四种天线共用系统还可以包括滤波器541以及放大器542。
其中，所述滤波器541可以对GNSS信号进行滤波。更进一步地，所述滤波器541可以为SAW Filter，以更好地满足滤波需求。所述放大器542可以对GNSS信号进行放大。更进一步地，所述放大器542可以为LNA，以更好的满足放大需求。
更进一步地，所述第四种天线共用系统还可以包括滤波器531。
其中，所述滤波器531可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波。更进一步地，所述滤波器531可以为SAW Filter，以更好地满足滤波需求。
在第四种天线共用系统实施例中，通过设置第一选通开关534、第三多工器533、并设置第一多工器513为三工器，可以在第一选通开关534连接至第四天线540时，共用第四天线540收发GNSS信号、2.4GHz Wi-Fi辅信号和蓝牙信号；还可以在第一选通开关534连接至第一天线510时，共用第一天线510收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙信号，采用本发明实施例的方案，可以通过第一选通开关534灵活地选择变为第二种天线共用系统实施例或变为第三种天线共用系统实施例，从而使用户根据对GNSS以及LTE功能要求的高低差异，选择使用，有助于提高便利性，增强用户体验度。
参照图6，图6是本发明实施例中第五种天线共用系统的结构示意图。
所述第五种天线共用系统可以包括第一天线610、第二天线620、滤波器621、第五多工器623、第四天线640、滤波器641、放大器642以及第五天线650。
其中，有关第一天线610的更多详细内容请参照图2中的第一天线210，有关第二天线620、滤波器621、第五多工器623的更多详细内容请参照图2中的第二天线220、滤波器221、第五多工器223，有关第四天线640、滤波器641、放大器642的更多详细内容请参照图2中的第四天线240、滤波器241、放大器242，有关第五天线650的更多详细内容请参照图2中的第五天线250，此处不再赘述。
在具体实施中，所述第五种天线共用系统还可以包括第二选通开关614滤波器631、以及第一多工器613。
其中，所述第二选通开关614包括至少两个选通输入端以及选通输出端，所述第二选通开关614的第一选通输入端可以连接所述通信模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚，所述第二选通开关614的第二选通输入端可以连接所述通信模块上LTE辅信号的引脚，所述第二选通开关614的选通输出端连接所述第一多工器613的第二 多工输入端。
所述第一多工器613至少包含两个多工输入端以及多工输出端，其中，所述第一多工器613的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器613的第二多工输入端用于根据第二选通开关614，收发LTE辅信号，或者收发2.4GHz Wi-Fi辅信号和蓝牙信号，所述第一多工器613的多工输出端与所述第一天线610连接。
其中，所述滤波器631可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波，更进一步地，所述滤波器631可以为SAW Filter，以更好地满足滤波需求。
在第五种天线共用系统实施例中，通过设置第二选通开关614，可以使第一天线610连接2.4GHz Wi-Fi辅信号和蓝牙信号，还可以使第一天线610连接LTE辅信号，可以有效地提高天线利用率。
相比于在图4示出的第三种天线共用系统实施例中设置第一多工器413为三工器，采用本发明实施例的方案，可以采用双工器作为第一多工器613，有效地降低成本。
参照图7，图7是本发明实施例中第六种天线共用系统的结构示意图。
所述第六种天线共用系统可以包括第一天线710、第二天线720、滤波器721、第五多工器723、第四天线740、滤波器741、放大器742以及第五天线750。
其中，有关第一天线710的更多详细内容请参照图2中的第一天线210，有关第二天线720、滤波器721、第五多工器723的更多详细内容请参照图2中的第二天线220、滤波器221、第五多工器223，有关第四天线740、滤波器741、放大器742的更多详细内容请参照图2中的第四天线240、滤波器241、放大器242，有关第五天线750的更多详细内容请参照图2中的第五天线250，此处不再赘述。
在具体实施中，所述第六种天线共用系统还可以包括第一多工器 713、滤波器731以及第四多工器733。
其中，所述第四多工器733至少包含两个多工输入端以及多工输出端，所述第四多工器733的第一多工输入端用于收发蓝牙信号，所述第四多工器733的第二多工输入端用于收发GNSS信号，所述第四多工器733的多工输出端与所述第四天线740连接。
所述第一多工器713至少包含三个多工输入端以及多工输出端，其中，所述第一多工器713的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器713的第二多工输入端用于收发LTE辅信号，所述第一多工器713的第五多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙高功率模式(High Power Mode，HPM)信号，所述第一多工器713的多工输出端与所述第一天线710连接。
其中，所述滤波器731可以对2.4GHz Wi-Fi辅信号和蓝牙信号进行滤波，更进一步地，所述滤波器731可以为SAW Filter，以更好地满足滤波需求。
在第六种天线共用系统实施例中，通信模块还可以支持蓝牙高功率模式功能，通过设置第四多工器733，以及设置第一多工器713为三工器，可以共用第一天线710收发5GHz Wi-Fi辅信号、LTE辅信号以及2.4GHz Wi-Fi辅信号和蓝牙高功率模式信号，共用第四天线740收发蓝牙信号以及GNSS信号，从而在无需增加天线数量的情况下，支持蓝牙高功率模式功能。
本发明实施例还提供了一种终端，所述终端可以包括图2至图7示出的天线共用系统。所述终端包括但不限于手机、计算机、平板电脑等终端设备，例如还可以包括云平台、车联网服务器、物联网服务器等。
虽然本发明披露如上，但本发明并非限定于此。任何本领域技术人员，在不脱离本发明的精神和范围内，均可作各种更动与修改，因此本发明的保护范围应当以权利要求所限定的范围为准。

Claims (14)

  1. 一种天线共用系统，其特征在于，包括通信模块，所述通信模块支持5GHz Wi-Fi以及LTE，所述天线共用系统还包括：
    第一天线；
    第一多工器，所述第一多工器至少包含两个多工输入端以及多工输出端，其中，所述第一多工器的第一多工输入端用于收发5GHz Wi-Fi辅信号，所述第一多工器的第二多工输入端用于收发LTE辅信号，所述第一多工器的多工输出端与所述第一天线连接。
  2. 根据权利要求1所述的天线共用系统，其特征在于，所述通信模块还支持2.4GHz Wi-Fi，所述天线共用系统还包括：
    第二天线，用于收发5GHz Wi-Fi主信号以及2.4GHz Wi-Fi主信号。
  3. 根据权利要求2所述的天线共用系统，其特征在于，所述通信模块还支持蓝牙，所述天线共用系统还包括：
    第三天线，至少用于收发2.4GHz Wi-Fi辅信号和蓝牙信号。
  4. 根据权利要求3所述的天线共用系统，其特征在于，所述通信模块还支持GNSS，所述天线共用系统还包括：
    第四天线，用于收发GNSS信号。
  5. 根据权利要求3所述的天线共用系统，其特征在于，所述通信模块还支持GNSS，所述第三天线还用于收发GNSS信号；
    所述天线共用系统还包括：
    第二多工器，所述第二多工器至少包含两个多工输入端以及多工输出端，其中，所述第二多工器的第一多工输入端用于收发GNSS信号，所述第二多工器的第二多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙信号，所述第二多工器的多工输出端与所述第三天线连接。
  6. 根据权利要求2所述的天线共用系统，其特征在于，所述通信模块还支持蓝牙，
    所述第一多工器还包括：第三多工输入端，所述第一多工器的第三多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙信号。
  7. 根据权利要求6所述的天线共用系统，其特征在于，所述通信模块还支持GNSS，所述天线共用系统还包括：
    第四天线，用于收发GNSS信号。
  8. 根据权利要求2所述的天线共用系统，其特征在于，所述通信模块还支持蓝牙，所述通信模块还支持GNSS，所述天线共用系统还包括：
    第四天线；
    第一选通开关，所述第一选通开关包括选通输入端以及至少两个选通输出端，所述第一选通开关的选通输入端连接所述通信模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚；
    第三多工器，所述第三多工器至少包含两个多工输入端以及多工输出端，所述第三多工器的第一多工输入端连接至所述第一选通开关的选通输出端，所述第三多工器的第二多工输入端用于收发GNSS信号，所述第三多工器的多工输出端与所述第四天线连接；
    所述第一多工器还包括：第四多工输入端，所述第一多工器的第四多工输入端连接至所述第一选通开关的第二选通输出端。
  9. 根据权利要求8所述的天线共用系统，其特征在于，所述选通开关选自：单刀双掷开关以及切换器。
  10. 根据权利要求2所述的天线共用系统，其特征在于，所述天线共用系统还包括：
    第二选通开关，所述第二选通开关包括至少两个选通输入端以及选通输出端，所述第二选通开关的第一选通输入端连接所述通信 模块上2.4GHz Wi-Fi辅信号和蓝牙信号的引脚，所述第二选通开关的第二选通输入端连接所述通信模块上LTE辅信号的引脚，所述第二选通开关的选通输出端连接所述第一多工器的第二多工输入端。
  11. 根据权利要求10所述的天线共用系统，其特征在于，所述通信模块还支持GNSS，所述天线共用系统还包括：
    第四天线，用于收发GNSS信号。
  12. 根据权利要求2所述的天线共用系统，其特征在于，所述通信模块还支持蓝牙高功率模式和GNSS；
    所述第一多工器还包括：第五多工输入端，所述第一多工器的第五多工输入端用于收发2.4GHz Wi-Fi辅信号和蓝牙高功率模式信号；
    所述天线共用系统还包括：
    第四天线，用于收发GNSS信号；
    第四多工器，所述第四多工器至少包含两个多工输入端以及多工输出端，所述第四多工器的第一多工输入端用于收发蓝牙信号，所述第四多工器的第二多工输入端用于收发GNSS信号，所述第四多工器的多工输出端与所述第四天线连接。
  13. 根据权利要求2所述的天线共用系统，其特征在于，所述天线共用系统还包括：
    第五多工器，所述第五多工器至少包含两个多工输入端以及多工输出端，所述第五多工器的第一多工输入端用于收发5GHz Wi-Fi主信号，第五多工器的第二多工输入端用于收发2.4GHz Wi-Fi主信号，第五多工器的多工输出端与所述第二天线连接。
  14. 一种终端，其特征在于，包括权利要求1至13任一项所述的天线共用系统。
PCT/CN2019/083828 2018-10-11 2019-04-23 天线共用系统、终端 Ceased WO2020073636A1 (zh)

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