WO2022198513A1 - Appareil de commutation, procédé de communication et dispositif associé - Google Patents

Appareil de commutation, procédé de communication et dispositif associé Download PDF

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Publication number
WO2022198513A1
WO2022198513A1 PCT/CN2021/082790 CN2021082790W WO2022198513A1 WO 2022198513 A1 WO2022198513 A1 WO 2022198513A1 CN 2021082790 W CN2021082790 W CN 2021082790W WO 2022198513 A1 WO2022198513 A1 WO 2022198513A1
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WO
WIPO (PCT)
Prior art keywords
port
antenna
ports
dpdt
main set
Prior art date
Application number
PCT/CN2021/082790
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English (en)
Chinese (zh)
Inventor
吕清
史坡
邱丹
荆伟涛
邹俊浩
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.)
Filing date
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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/CN2021/082790 priority Critical patent/WO2022198513A1/fr
Priority to CN202180005197.6A priority patent/CN115398811B/zh
Publication of WO2022198513A1 publication Critical patent/WO2022198513A1/fr

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    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode
    • 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

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a switch device, a communication method, and related equipment.
  • FIG. 1 is a schematic diagram of a multi-antenna switching circuit of LTE. As shown in FIG. 1, the multi-antenna selection (MAS) technology adds left and right antennas on the basis of the upper and lower antennas.
  • MAS multi-antenna selection
  • FIG 2 is a schematic diagram of a multi-antenna switching circuit for NR.
  • the sounding reference signal (SRS) of transmit 4 receiver, 1T4R) that is, the SRS signal needs to be transmitted on four antennas (such as ANT4, ANT5, ANT6 and ANT7 shown in Figure 2) in turn, so that the base station can transmit Estimate the quality of the downlink channel of the mobile phone terminal through the SRS signal.
  • SRS sounding reference signal
  • the scheme of sharing four antennas for LTE and NR is mostly adopted.
  • the existing LTE and NR antenna sharing technology directly reduces the number of antennas by half, in order to ensure the normal operation of the antenna switching between LTE and NR, more additional components are added, which increases the Circuit layout area and manufacturing cost, which greatly contradict the original purpose of the shared antenna scheme.
  • Embodiments of the present application provide a switching device, a communication method, and related equipment, which can further reduce the circuit layout area and reduce the manufacturing cost under the condition of realizing antenna switching and performing normal operation.
  • an embodiment of the present application provides a switch device, which is applied to a communication device, where the communication device includes an antenna system, and the antenna system includes K antennas; the switch device includes N+X first ports, K+N second ports and N combiners; wherein, K second ports in the K+N second ports are respectively connected to the K antennas one by one; the K+Nth The N second ports in the two ports are respectively connected with the respective first input terminals of the N combiners one by one; the respective output terminals of the N combiners are respectively connected with the N+X first ports The N first ports in are connected one by one; N, X, and K are integers greater than or equal to 1; the switching device is used to: turn on the i-th first port in the N first ports and The jth second port among the K second ports transmits the first type signal through the corresponding jth antenna; i is an integer greater than or equal to 1 and less than or equal to N, and j is greater than or equal to 1, and an integer less than or equal to
  • s is greater than or equal to 1 and less than or equal to X Integer.
  • a switch device in an embodiment of the present application, includes a plurality of first ports, a plurality of second ports, and a plurality of combiners.
  • the switch device includes a plurality of first ports, a plurality of second ports, and a plurality of combiners.
  • some of the first ports in the plurality of first ports are used to transmit the first type of signals (for example, LTE main set transmit signals, LTE main set receive signals, and LTE diversity receive signals), and the rest of the plurality of first ports
  • Some of the first ports are used to transmit the second type of signals (eg, NR main set transmit signals, NR main set receive signals, and NR diversity receive signals).
  • some of the second ports of the plurality of second ports can be connected to the plurality of antennas one by one, and the remaining part of the second ports can be connected to the part of the first ports for transmitting the first type of signals through a combiner one by one.
  • the first port for transmitting the first type of signal and the second port connected to the first antenna can be turned on through the switching device, so that the first type of signal can be transmitted through the first antenna.
  • the second type signal also needs to be transmitted through the first antenna at this time
  • the first port for transmitting the second type signal and the corresponding second port can be turned on through the switching device, and the corresponding first port can be turned on.
  • the second port is the second port that is connected to the first port for transmitting the first type of signal through a combiner, so that the first port and the second port connected to the first antenna can be connected.
  • the first port for transmitting the second type of signal is indirectly connected to the second port connected with the first antenna, so that the second type of signal can also be transmitted through the first antenna.
  • the second type of signal can be transmitted through the switch device by selecting the same antenna according to the actual needs, and the transmission of the other party will not be interrupted because one party occupies the antenna, and there is no mutual interference. reduce the number of circuit breakers, thereby reducing the circuit layout area and production cost.
  • the switch device is further configured to: when the second type signal needs to be transmitted through the j' th antenna, turn on the s th th th th th th port in the X first ports A port and the j'th second port among the K second ports, and transmit the second type signal through the corresponding j'th antenna; j' is greater than or equal to 1, and less than or equal to K an integer, j is not equal to j'.
  • the switching device when the first type of signal occupies an antenna for transmission, if the second type of signal needs to be transmitted through other antennas, the switching device can be used to turn on the first port for transmitting the second type of signal and the The other antenna is connected to the second port, so that the first signal can be transmitted through the other antenna.
  • the embodiment of the present application can satisfy the requirement that when the first type of signal is occupied by the antenna for transmission, the second type of signal can be transmitted by selecting the same antenna or other antennas through the switching device according to actual needs, and the two The transmission of similar signals can share one antenna system, and the two types of signals can select the antenna and transmit without interfering with each other, and will not interrupt the transmission of the other because one party occupies the antenna, improve the performance of signal transmission, and ensure the user experience.
  • the switch device includes a first double-pole double-throw switch DPDT, a second DPDT, a third DPDT and a double-pole four-throw switch DP4T;
  • the N first ports include the first Two P ports of a DPDT;
  • the X first ports include two P ports in the DP4T;
  • the K second ports include two T ports in the second DPDT and the third DPDT The two T ports in the DP4T;
  • the N second ports include the two T ports in the DP4T.
  • the switch device may specifically include three double-pole double-throw switches, one double-pole four-throw switch, and the above-mentioned multiple combiners.
  • the embodiment of the present application can realize that two types of signals share one antenna system through a simple switching device, and under the condition that the two types of signals are selected for transmission without mutual interference, the circuit area and production cost are further reduced, which satisfies the actual situation. production and use requirements.
  • each of the first DPDT, the second DPDT and the third DPDT includes a first P-port, a second P-port, a first T-port and a second T port;
  • the DP4T includes the first P port, the second P port, the first T port, the second T port, the third T port and the fourth T port;
  • the first T port of the first DPDT is connected to the first P port of the second DPDT; the first T port of the second DPDT is connected to the first antenna of the K antennas;
  • the second T port of the first DPDT is connected to the first P port of the third DPDT; the first T port of the third DPDT is connected to the second antenna of the K antennas;
  • the second T port of the DP4T is connected to the second P port of the second DPDT; the second T port of the second DPDT is connected to the third antenna in the K antennas;
  • the third T port of the DP4T is connected to the second P port of the third DPDT; the second T port of the third DPDT is connected to the fourth antenna among the K antennas.
  • the corresponding ports in the existing double-pole double-throw switch and double-pole four-throw switch can be connected to the four antennas in the antenna system, so that the first type of signal and the second type of signal can pass through
  • the conduction between the ports in the plurality of switches selects the antenna for transmission.
  • the embodiment of the present application can further ensure that the first type of signal and the second type of signal can select a shared antenna system on the premise that the first type of signal and the second type of signal share one antenna system, which greatly reduces the number of antennas Any antenna in the system can transmit signals without interfering with each other.
  • the communication device further includes a radio frequency circuit
  • the radio frequency circuit includes a first type of circuit and a second type of circuit
  • the first type of circuit includes a first main set transmitting circuit, a first main A set receiving circuit and a first diversity receiving circuit
  • the second type of circuit includes a second main set transmitting circuit, a second main set receiving circuit and a second diversity receiving circuit
  • the N combiners include a first combiner and a second combiner; wherein, the first diversity receiving circuit is connected to the second input end of the first combiner; the first main set transmitting circuit and the first main set receiving circuit are connected to the The second input end of the second combiner is connected; the second diversity receiving circuit is connected to the first P port of the DP4T; the second main set transmitting circuit and the second main set receiving circuit are connected with The second P port of the DP4T is connected.
  • the communication device may further include a radio frequency circuit
  • the radio frequency circuit may specifically include an LTE master transmitter circuit (eg, a first master transmitter circuit), an LTE master receiver circuit (eg, a first master receiver circuit) ) and LTE diversity receiving circuit (such as the first diversity receiving circuit), as well as the NR main set transmitting circuit (such as the second main set transmitting circuit), the NR main set receiving circuit (such as the second main set receiving circuit) and the NR diversity receiving circuit (such as the second diversity receiving circuit).
  • LTE master transmitter circuit eg, a first master transmitter circuit
  • an LTE master receiver circuit eg, a first master receiver circuit
  • LTE diversity receiving circuit such as the first diversity receiving circuit
  • the NR main set transmitting circuit such as the second main set transmitting circuit
  • the NR main set receiving circuit such as the second main set receiving circuit
  • the NR diversity receiving circuit such as the second diversity receiving circuit
  • the multiple circuits are respectively connected with the corresponding ports in the double-pole double-throw switch and the double-pole four-throw switch, so that the LTE system and the NR system can share one antenna system, and the LTE controller in the LTE system can pass the above-mentioned multiple switches.
  • Antennas are selected for signal transmission in the antenna system, and the NR controller in the NR system can transmit SRS signals and receive corresponding signals in turn on multiple antennas of the antenna system.
  • the antenna switching of LTE and the SRS transmission of NR do not interfere with each other, which ensures the user experience.
  • the first type of signal includes a first main set transmit signal, a first main set receive signal and a first diversity receive signal
  • the second type of signal includes a second main set transmit signal, The second main set received signal and the second diversity received signal
  • the first input ends of the first combiner and the second combiner are high-frequency ends, the first combiner and the The second input end of the second combiner is a low frequency end.
  • the above-mentioned first type of signals may include LTE main set transmit signals, LTE main set receive signals, and LTE diversity receive signals
  • the second type of signals may include, for example, NR main set transmit signals, NR main set receive signals, and NR diversity received signal.
  • the LTE main set transmit signal for example, the SRS signal
  • the LTE main set receive signal and the LTE diversity receive signal can pass through the low frequency end of the combiner
  • the NR main set transmit signal, the NR main set receive signal and the NR diversity receive signal can pass through the low frequency end of the combiner. through the high frequency side of the combiner. Therefore, the embodiment of the present application can realize that the LTE signal transmission and the NR SRS rotation share one antenna system, and through the setting of the above two combiners, they do not interfere with each other, and the user experience is guaranteed.
  • the switch device further includes: a first single-pole double-throw switch SPDT and a second SPDT; both the first SPDT and the second SPDT include a P port and a first T port and the second T port; wherein, the first T port of the DP4T is connected to the first T port of the first SPDT; the P port of the first SPDT is connected to the first T port of the first combiner An input terminal is connected; the output terminal of the first combiner is connected to the first P port of the first DPDT; the fourth T port of the DP4T is connected to the first T port of the second SPDT port connection; the P port of the second SPDT is connected to the first input end of the second combiner; the output end of the second combiner is connected to the second P port of the first DPDT connect.
  • a first single-pole double-throw switch SPDT and a second SPDT both the first SPDT and the second SPDT include a P port and a first T port and the second T port; wherein, the first T port of the
  • the switch device may further include two SPDT switches, and the two SPDT switches are respectively used to connect the two combiners and the corresponding ports in the double-pole-four-throw switch, so that when the When the first type of signal is occupying the antenna for transmission, if the second type of signal needs to be transmitted through the same antenna at this time, you can turn on the corresponding port in the double-pole four-throw switch and the single-pole double-throw switch, and connect the The combiner and the conducting line for the first type of signal conduct the second type of signal to the same antenna for transmission.
  • the embodiments of the present application can realize that both the first type of signal and the second type of signal can select any antenna in the shared antenna system for signal transmission, without mutual interference, and reduce the number of combiners, thereby reducing the number of Circuit layout area and production cost.
  • the switch device is specifically configured to: control the first P port and the second T port in the first DPDT to conduct, and the second T port in the first DPDT
  • the P port is connected to the first T port
  • the first P port of the second DPDT is connected to the first T port
  • the second P port of the second DPDT is connected to the second T port is turned on
  • the first P port in the third DPDT is connected with the first T port
  • the second P port in the third DPDT is connected with the second T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected with the first antenna
  • the first diversity receiving circuit is connected with the second antenna
  • the port is connected to the third antenna
  • the third T port in the DP4T is connected to the fourth antenna; wherein, the first main set transmitting circuit is used for transmitting through the first antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through the first antenna;
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first DPDT when the first DPDT is controlled to be in a cross-conduction state (for example, the first P port in the first DPDT is connected to the second T port, and the second P port is connected to the first T port), the first The second DPDT is in the pass-through state (for example, the first P port in the second DPDT is connected to the first T port, and the second P port is connected to the second T port), and the third DPDT is in the pass-through state (such as When the first P port and the first T port in the third DPDT are turned on, and the second P port and the second T port are turned on), based on the connection relationship between the above switches, antennas and circuits, The first main set transmit circuit and the first main set receive circuit may be connected to the first antenna, and the first diversity receive circuit may be connected to the second antenna. In this way, the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction
  • the switch device is specifically configured to: control the first P port and the second T port in the first DPDT to conduct, and the second T port in the first DPDT
  • the P port is connected to the first T port
  • the first P port of the second DPDT is connected to the first T port
  • the second P port of the second DPDT is connected to the second T port is turned on
  • the first P port in the third DPDT is connected with the second T port
  • the second P port in the third DPDT is connected with the first T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the first antenna
  • the first diversity receiving circuit is connected to the fourth antenna
  • the second T in the DP4T The port is connected with the third antenna
  • the third T port in the DP4T is connected with the second antenna; wherein, the first main set transmitting circuit is used for transmitting through the first antenna the first main set transmits a signal;
  • the first main set receiving circuit is used for receiving the first main set receiving signal through the first antenna; the first diversity receiving circuit is used for receiving the first main set receiving signal through the fourth antenna Diversity received signal.
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first DPDT is controlled to be in a cross-conducting state
  • the second DPDT is in a direct-connecting state
  • the third DPDT is in a cross-conducting state
  • the first main set The transmitting circuit and the first main set receiving circuit are connected to the first antenna
  • the first diversity receiving circuit is connected to the fourth antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • the switch device is specifically configured to: control the conduction between the first P port and the first T port in the first DPDT, and control the second port in the first DPDT to conduct
  • the P port is connected to the second T port
  • the first P port of the second DPDT is connected to the first T port
  • the second P port of the second DPDT is connected to the second T port is turned on
  • the first P port in the third DPDT is connected with the first T port
  • the second P port in the third DPDT is connected with the second T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected with the second antenna
  • the first diversity receiving circuit is connected with the first antenna
  • the port is connected to the third antenna
  • the third T port in the DP4T is connected to the fourth antenna; wherein, the first main set transmitting circuit is used for transmitting through the second antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first main set transmitting circuit and the third DPDT can be connected.
  • a main set receiving circuit is connected to the second antenna, and a first diversity receiving circuit is connected to the first antenna.
  • the switch device is specifically configured to: control the conduction between the first P port and the first T port in the first DPDT, and control the second port in the first DPDT to conduct
  • the P port is connected to the second T port
  • the first P port of the second DPDT is connected to the second T port
  • the second P port of the second DPDT is connected to the first T port is turned on
  • the first P port in the third DPDT is connected with the first T port
  • the second P port in the third DPDT is connected with the second T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the second antenna
  • the first diversity receiving circuit is connected to the third antenna
  • the second T in the DP4T The port is connected with the first antenna
  • the third T port in the DP4T is connected with the fourth antenna; wherein, the first main set transmitting circuit is used for transmitting through the second antenna the first main set transmitting signal; the first main set receiving circuit, used for receiving the first main set receiving signal
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first main set transmitting circuit can be and the first main set receiving circuit is connected to the second antenna, and the first diversity receiving circuit is connected to the third antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • the switch device is specifically configured to: control the first P port and the second T port in the first DPDT to conduct, and the second T port in the first DPDT
  • the P port is connected to the first T port
  • the first P port of the second DPDT is connected to the second T port
  • the second P port of the second DPDT is connected to the first T port is turned on
  • the first P port in the third DPDT is connected with the first T port
  • the second P port in the third DPDT is connected with the second T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the third antenna
  • the first diversity receiving circuit is connected to the second antenna
  • the second T in the DP4T The port is connected to the first antenna
  • the third T port in the DP4T is connected to the fourth antenna; wherein, the first main set transmitting circuit is used for transmitting through the third antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through the third antenna;
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first DPDT is controlled to be in the cross-conduction state
  • the second DPDT is in the cross-conduction state
  • the third DPDT is in the straight-through state
  • the first main set The transmitting circuit and the first main set receiving circuit are connected to the third antenna
  • the first diversity receiving circuit is connected to the second antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • the switch device is specifically configured to: control the first P port and the second T port in the first DPDT to conduct, and the second T port in the first DPDT
  • the P port is connected to the first T port
  • the first P port of the second DPDT is connected to the second T port
  • the second P port of the second DPDT is connected to the first T port is turned on
  • the first P port in the third DPDT is connected with the second T port
  • the second P port in the third DPDT is connected with the first T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the third antenna
  • the first diversity receiving circuit is connected to the fourth antenna
  • the second T in the DP4T The port is connected with the first antenna
  • the third T port in the DP4T is connected with the second antenna; wherein, the first main set transmitting circuit is used for transmitting through the third antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through the third antenna;
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first DPDT when the first DPDT is controlled to be in a cross-conducting state, the second DPDT is in a cross-conducting state, and the third DPDT is in a cross-conducting state, based on the connection relationship between the switches, antennas, and circuits described above, the first DPDT can be The main set transmitting circuit and the first main set receiving circuit are connected to the third antenna, and the first diversity receiving circuit is connected to the fourth antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • the switch device is specifically configured to: control the conduction between the first P port and the first T port in the first DPDT, and control the second port in the first DPDT to conduct
  • the P port is connected to the second T port
  • the first P port of the second DPDT is connected to the first T port
  • the second P port of the second DPDT is connected to the second T port is turned on
  • the first P port in the third DPDT is connected with the second T port
  • the second P port in the third DPDT is connected with the first T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the fourth antenna
  • the first diversity receiving circuit is connected to the first antenna
  • the port is connected to the third antenna
  • the third T port in the DP4T is connected to the second antenna; wherein, the first main set transmitting circuit is used for transmitting through the fourth antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first main set transmitting circuit can be and the first main set receiving circuit is connected to the fourth antenna, and the first diversity receiving circuit is connected to the first antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • the switch device is specifically configured to: control the conduction between the first P port and the first T port in the first DPDT, and control the second port in the first DPDT to conduct
  • the P port is connected to the second T port
  • the first P port of the second DPDT is connected to the second T port
  • the second P port of the second DPDT is connected to the first T port is turned on
  • the first P port in the third DPDT is connected with the second T port
  • the second P port in the third DPDT is connected with the first T port
  • the The first main set transmitting circuit and the first main set receiving circuit are respectively connected to the fourth antenna
  • the first diversity receiving circuit is connected to the third antenna
  • the second T in the DP4T The port is connected with the first antenna
  • the third T port in the DP4T is connected with the second antenna; wherein, the first main set transmitting circuit is used for transmitting through the fourth antenna the first main set transmit signal; the first main set receiving circuit is used for receiving the first main set receiving signal through
  • the first main set transmitting circuit, the first main set receiving circuit, and the first diversity receiving circuit can be respectively connected to the corresponding antennas through the respective conduction states of the three double-pole double-throw switches, thereby Corresponding signals are respectively transmitted and received through corresponding antennas.
  • the first main set The transmitting circuit and the first main set receiving circuit are connected to the fourth antenna, and the first diversity receiving circuit is connected to the third antenna.
  • the embodiments of the present application can implement antenna selection among multiple antennas and transmit the first type of signals by connecting multiple simple switches between the radio frequency circuit and the antenna, and controlling the conduction state of each switch.
  • K is equal to 4, and the switching device is specifically configured to: when the second type signal needs to be transmitted through the jth antenna, if the jth antenna is connected to the jth antenna The first diversity receiving circuit is connected, then the P port of the first SPDT is controlled to be connected to the first T port of the first SPDT, and the first P port of the DP4T is controlled to be connected to the first T port of the DP4T.
  • the second main set transmitting circuit and the second main set receiving circuit are connected to the jth antenna; if the jth antenna is connected to the first main set transmitting circuit and the first main set receiving circuit circuit connection, then control the P port of the second SPDT to conduct with the first T port of the second SPDT, and control the first P port of the DP4T to conduct with the fourth T port of the DP4T connect the second diversity receiving circuit to the jth antenna; or, control the second P port of the DP4T to conduct with the fourth T port of the DP4T to connect the second the main set transmission circuit and the second main set reception circuit are connected to the jth antenna; the second main set transmission circuit is used for transmitting the second main set transmission signal through the jth antenna;
  • the second main set receiving circuit is used for transmitting the second main set transmission signal through the jth antenna;
  • the double-pole four-throw switch can be turned on And the corresponding port in the SPDT switch, through the combiner and the conduction line of the first type of signal, the second type of signal is conducted to the same antenna for transmission.
  • the NR controller can perform SRS rotation on four antennas.
  • K is equal to 4, and the switching device is specifically configured to: when the second type signal needs to be transmitted through the j'th antenna, if the j'th antenna is connected to the The second T port of the DP4T is connected, then the first P port of the DP4T is controlled to conduct with the second T port of the DP4T, and the second diversity receiving circuit is connected to the j'th antenna Or, control the second P port of the DP4T to conduct with the second T port of the DP4T, and connect the second main set transmitting circuit and the second main set receiving circuit to the jth 'Antenna; if the j'th antenna is connected to the third T port of the DP4T, the first P port of the DP4T is controlled to be connected to the third T port of the DP4T, and the The second diversity receiving circuit is connected to the j'th antenna; or, the second P port of the DP4T is controlled to conduct with the third T port of the DP4T,
  • the double-pole four-throw switch can be turned on A port connected to a corresponding double-pole double-throw switch in the middle, the corresponding double-pole double-throw switch is a double-pole double-throw switch connected to the other antenna, so that the second type of signal can be conducted to the other antenna for transmission.
  • LTE selects any antenna for signal transmission, it can be ensured that the NR controller can perform SRS rotation on four antennas.
  • the K antennas are all antennas that support the long-term evolution LTE frequency band and the 5G new air interface NR frequency band.
  • the first main set transmitting circuit is an LTE main set transmitting circuit
  • the first main set receiving circuit is an LTE main set receiving circuit
  • the first diversity receiving circuit is an LTE diversity receiving circuit
  • the second main set receiving circuit is an LTE diversity receiving circuit
  • the main transmission circuit is an NR main transmission circuit
  • the second main reception circuit is an NR main reception circuit
  • the second diversity reception circuit is an NR diversity reception circuit
  • the first main transmission signal is an LTE main transmission circuit.
  • the first main set receive signal is the LTE main set receive signal
  • the first diversity receive signal is the LTE diversity receive signal
  • the second main set transmit signal is the NR main set transmit signal (or detection Reference signal SRS)
  • the second main set received signal is an NR main set received signal
  • the second diversity received signal is an NR diversity received signal.
  • the above-mentioned multiple antennas are all antennas that support the LTE frequency band and the 5G NR frequency band, so that the LTE system and the NR system can share one antenna system, and it is ensured that the LTE signal can be selected among the multiple antennas.
  • the transmission, as well as the SRS guaranteeing NR, can be implemented in rotation among multiple antennas, which greatly reduces the number of antennas, thereby reducing the circuit area and production cost.
  • an embodiment of the present application provides a communication method, which is applied to a communication device, where the communication device includes an antenna system and a switch device, the antenna system includes K antennas; the switch device includes N+Xth antennas One port, K+N second ports and N combiners; wherein, K second ports in the K+N second ports are respectively connected to the K antennas one by one; the K+ The N second ports of the N second ports are respectively connected to the respective first input terminals of the N combiners; the respective output terminals of the N combiners are respectively connected to the N+X
  • the N first ports in the first ports are connected one by one; N, X, and K are integers greater than or equal to 1; the method includes: turning on the first ports of the N first ports through the switch device.
  • the i first ports and the jth second port among the K second ports transmit the first type signal through the corresponding jth antenna; i is an integer greater than or equal to 1 and less than or equal to N , j is an integer greater than or equal to 1 and less than or equal to K; through the switching device, when the second type signal needs to be transmitted through the jth antenna, the first port of the X first ports is turned on s first ports and the i-th second port of the N second ports, via the i-th combiner connected to the i-th second port, and the i-th combiner the i-th first port connected with the device, conducts the s-th first port to the j-th second port, and transmits the second-type signal through the j-th antenna; s is an integer greater than or equal to 1 and less than or equal to X.
  • the method further includes: by using the switching device, when the second type signal needs to be transmitted through the j'th antenna, turning on the first port of the X first ports.
  • the j'th second port among the s first ports and the K second ports transmits the second type signal through the corresponding j'th antenna; j' is greater than or equal to 1 and less than Or an integer equal to K, j not equal to j'.
  • the switch device includes a first double-pole double-throw switch DPDT, a second DPDT, a third DPDT and a double-pole four-throw switch DP4T;
  • the N first ports include the first Two P ports of a DPDT;
  • the X first ports include two P ports in the DP4T;
  • the K second ports include two T ports in the second DPDT and the third DPDT The two T ports in the DP4T;
  • the N second ports include the two T ports in the DP4T.
  • each of the first DPDT, the second DPDT and the third DPDT includes a first P-port, a second P-port, a first T-port and a second T port;
  • the DP4T includes the first P port, the second P port, the first T port, the second T port, the third T port and the fourth T port;
  • the first T port is connected to the first P port of the second DPDT;
  • the first T port of the second DPDT is connected to the first antenna of the K antennas;
  • the second T port is connected to the first P port of the third DPDT;
  • the first T port of the third DPDT is connected to the second antenna of the K antennas;
  • the second T port of the second DPDT is connected to the second P port of the second DPDT;
  • the second T port of the second DPDT is connected to the third antenna of the K antennas;
  • the third T of the DP4T The port is connected to the second P port of
  • the communication device further includes a radio frequency circuit
  • the radio frequency circuit includes a first type of circuit and a second type of circuit
  • the first type of circuit includes a first main set transmitting circuit, a first main A set receiving circuit and a first diversity receiving circuit
  • the second type of circuit includes a second main set transmitting circuit, a second main set receiving circuit and a second diversity receiving circuit
  • the N combiners include a first combiner and a second combiner; wherein, the first diversity receiving circuit is connected to the second input end of the first combiner; the first main set transmitting circuit and the first main set receiving circuit are connected to the The second input end of the second combiner is connected; the second diversity receiving circuit is connected to the first P port of the DP4T; the second main set transmitting circuit and the second main set receiving circuit are connected with The second P port of the DP4T is connected.
  • the first type of signal includes a first main set transmit signal, a first main set receive signal and a first diversity receive signal
  • the second type of signal includes a second main set transmit signal, The second main set received signal and the second diversity received signal
  • the first input ends of the first combiner and the second combiner are high-frequency ends, the first combiner and the The second input end of the second combiner is a low frequency end.
  • the switch device further includes: a first single-pole double-throw switch SPDT and a second SPDT; both the first SPDT and the second SPDT include a P port and a first T port and the second T port; wherein, the first T port of the DP4T is connected to the first T port of the first SPDT; the P port of the first SPDT is connected to the first T port of the first combiner An input terminal is connected; the output terminal of the first combiner is connected to the first P port of the first DPDT; the fourth T port of the DP4T is connected to the first T port of the second SPDT port connection; the P port of the second SPDT is connected to the first input end of the second combiner; the output end of the second combiner is connected to the second P port of the first DPDT connect.
  • a first single-pole double-throw switch SPDT and a second SPDT both the first SPDT and the second SPDT include a P port and a first T port and the second T port; wherein, the first T port of the
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type signal through the corresponding jth antenna, including: controlling the first P port and the second T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the first T port
  • the first P port in the second DPDT is connected with the first T port
  • the second P port in the second DPDT The second T port is turned on
  • the first P port in the third DPDT is turned on with the first T port
  • the second P port in the third DPDT is turned on with the second T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected with the first antenna
  • the first diversity receiving circuit is connected with the second antenna
  • the DP4T The second T port of the DP4T is connected with the third antenna, and the third T port in the DP4
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type signal through the corresponding jth antenna, including: controlling the first P port and the second T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the first T port
  • the first P port in the second DPDT is connected with the first T port
  • the second P port in the second DPDT The second T port is turned on
  • the first P port in the third DPDT is turned on with the second T port
  • the second P port in the third DPDT is turned on with the first T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the first antenna
  • the first diversity receiving circuit is connected to the fourth antenna
  • the DP4T The second T port of the DP4T is connected with the third antenna, and the third T port in the DP4T
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type of signal through the corresponding jth antenna, including: controlling the first P port and the first T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the second T port
  • the first P port in the second DPDT is connected with the first T port
  • the second P port in the second DPDT The second T port is turned on
  • the first P port in the third DPDT is turned on with the first T port
  • the second P port in the third DPDT is turned on with the second T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the second antenna
  • the first diversity receiving circuit is connected to the first antenna
  • the DP4T The second T port of the DP4T is connected with the third antenna, and the third T port in the DP4
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type of signal through the corresponding jth antenna, including: controlling the first P port and the first T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the second T port
  • the first P port in the second DPDT is connected with the second T port
  • the second P port in the second DPDT The first T port is conductive
  • the first P port in the third DPDT is conductive with the first T port
  • the second P port in the third DPDT is conductive with the second T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the second antenna
  • the first diversity receiving circuit is connected to the third antenna
  • the DP4T The second T port of the DP4T is connected with the first antenna, and the third T port in the DP4
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type signal through the corresponding jth antenna, including: controlling the first P port and the second T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the first T port
  • the first P port in the second DPDT is connected with the second T port
  • the second P port in the second DPDT The first T port is conductive
  • the first P port in the third DPDT is conductive with the first T port
  • the second P port in the third DPDT is conductive with the second T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the third antenna
  • the first diversity receiving circuit is connected to the second antenna
  • the DP4T The second T port of the DP4T is connected with the first antenna, and the third T port in the DP4T
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type signal through the corresponding jth antenna, including: controlling the first P port and the second T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the first T port
  • the first P port in the second DPDT is connected with the second T port
  • the second P port in the second DPDT The first T port is turned on
  • the first P port in the third DPDT is turned on with the second T port
  • the second P port in the third DPDT is turned on with the first T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the third antenna
  • the first diversity receiving circuit is connected to the fourth antenna
  • the DP4T The second T port of the DP4T is connected with the first antenna, and the third T port in the DP4T
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type of signal through the corresponding jth antenna, including: controlling the first P port and the first T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the second T port
  • the first P port in the second DPDT is connected with the first T port
  • the second P port in the second DPDT The second T port is turned on
  • the first P port in the third DPDT is turned on with the second T port
  • the second P port in the third DPDT is turned on with the first T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the fourth antenna
  • the first diversity receiving circuit is connected to the first antenna
  • the DP4T The second T port of the DP4T is connected with the third antenna, and the third T port in the DP4
  • the switching device is used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports. , and transmit the first type of signal through the corresponding jth antenna, including: controlling the first P port and the first T port in the first DPDT to conduct through the switching device, and the first DPDT
  • the second P port in the second DPDT is connected with the second T port
  • the first P port in the second DPDT is connected with the second T port
  • the second P port in the second DPDT The first T port is turned on
  • the first P port in the third DPDT is turned on with the second T port
  • the second P port in the third DPDT is turned on with the first T port
  • the first main set transmitting circuit and the first main set receiving circuit are respectively connected to the fourth antenna
  • the first diversity receiving circuit is connected to the third antenna
  • the DP4T The second T port of the DP4T is connected with the first antenna, and the third T port in the DP4
  • K is equal to 4; the switching device, when the second type signal needs to be transmitted through the jth antenna, the X first ports are turned on The s th first port in and the ith second port of the N second ports, via the ith combiner connected with the ith second port, and the ith second port connected with the ith second port the i-th first port connected to the combiner, conducts the s-th first port to the j-th second port, and transmits the second type through the j-th antenna
  • the signal includes: through the switching device, when the second type signal needs to be transmitted through the jth antenna, if the jth antenna is connected to the first diversity receiving circuit, controlling the jth antenna
  • the P port of a SPDT is connected to the first T port of the first SPDT, and the first P port of the DP4T is controlled to be connected to the first T port of the DP4T, and the second diversity
  • the receiving circuit is connected to the jth antenna; or, the second P
  • the second main set receiving circuit is connected to the jth antenna; if the jth antenna is connected to the first main set transmitting circuit and the first main set receiving circuit, the P of the second SPDT is controlled
  • the port is connected to the first T port of the second SPDT, and the first P port of the DP4T is controlled to be connected to the fourth T port of the DP4T, and the second diversity receiving circuit is connected to the jth antenna; or, and control the second P port of the DP4T to conduct with the fourth T port of the DP4T, and receive the second main set transmitting circuit and the second main set
  • the circuit is connected to the jth antenna; through the second master set transmission circuit, the second master set transmission signal is transmitted through the jth antenna; through the second master set receiving circuit, through the The jth antenna receives the second main set received signal; the second diversity receive signal is received through the jth antenna through the second diversity receiving circuit.
  • K is equal to 4; when the second type signal needs to be transmitted through the j'th antenna through the switching device, the X first antennas are turned on The sth first port in the ports and the j'th second port in the K second ports, and transmitting the second type signal through the corresponding j'th antenna, including: passing the switch The device, when the second type of signal needs to be transmitted through the j'th antenna, if the j'th antenna is connected to the second T port of the DP4T, control the first P port of the DP4T Conducting with the second T port of the DP4T, and connecting the second diversity receiving circuit to the j'th antenna; or, controlling the second P port of the DP4T and the second P port of the DP4T
  • the T ports are turned on, and the second main set transmitting circuit and the second main set receiving circuit are connected to the j'th antenna; if the j'th antenna is connected to the third antenna of the DP4T If
  • the K antennas are all antennas that support the long-term evolution LTE frequency band and the 5G new air interface NR frequency band.
  • an embodiment of the present application provides a switch device, which is applied to a communication device.
  • the switch device includes a first combiner, a second combiner, a first SPDT, a second SPDT, a first DPDT, a first Two DPDTs, a third DPDT and an UPVT;
  • the first combiner and the second combiner each include a first input terminal, a second input terminal and an output terminal;
  • the first SPDT and the second SPDT All include P ports and 2 T ports;
  • the UPVT includes U P ports and V T port, U and V are integers greater than or equal to 1; wherein, the P port of the first SPDT is connected to the first input end of the first combiner, and the output end of the first combiner is connected to The first P port of the first DPDT is connected;
  • the P port of the second SPDT is connected to the first input end of the second combine
  • the communication device includes an antenna system, and the antenna system includes 4 antennas; wherein, the first T port of the second DPDT is connected to the first antenna; the third The first T port of the DPDT is connected to the second antenna; the second T port of the second DPDT is connected to the third antenna; the second T port of the third DPDT is connected to the fourth antenna.
  • the UPVT is DP4T
  • the DP4T includes 2 P ports and 4 T ports.
  • the UPVT is 4P4T, and the 4P4T includes 4 P ports and 4 T ports; the switch device further includes DP4T, and the DP4T includes 2 P ports and 4 T ports ; wherein, the first P port of the DP4T is connected to the second T port of the first SPDT, and the second P port of the DP4T is connected to the second T port of the second SPDT.
  • an embodiment of the present application provides a radio frequency system, which is applied to a communication device.
  • the radio frequency system may include a radio frequency circuit, an antenna system, and the switch device according to any one of the above-mentioned first aspects, so as to realize the above-mentioned first
  • the functions involved in the communication method flow described in any one of the two aspects.
  • an embodiment of the present application provides a communication device, where the communication device may include a radio frequency circuit, an antenna system, and the switch device described in any one of the first aspect above, for implementing any one of the second aspect above
  • the functions involved in the communication method flow described in the item.
  • an embodiment of the present application provides a communication device, the communication device includes a processor, and the processor is configured to support the communication device to implement corresponding functions in the communication method provided in the second aspect.
  • the communication device may also include a memory for coupling with the processor that holds program instructions and data necessary for the communication device.
  • the terminal device may also include a communication interface for the communication device to communicate with other devices or a communication network.
  • an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements any one of the above-mentioned second aspects. Communication method flow.
  • the processor may be one or more processors.
  • an embodiment of the present application provides a computer program, where the computer program includes instructions, when the computer program is executed by a computer, the computer can execute the communication method flow described in any one of the second aspect above.
  • an embodiment of the present application provides a chip system, and the chip system may include the switch device described in any one of the foregoing first aspect, for implementing the communication method described in any one of the foregoing second aspect The functions involved in the process.
  • the chip system further includes a memory for storing necessary program instructions and data for the adjustment method.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • FIG. 1 is a schematic diagram of a multi-antenna switching circuit of LTE.
  • FIG. 2 is a schematic diagram of a multi-antenna switching circuit of an NR.
  • FIG. 3 is a schematic diagram of a typical allocation of terminal antennas.
  • FIG. 4a is a schematic circuit diagram of a shared antenna for LTE and NR.
  • FIG. 4b is a schematic diagram of an equivalent circuit of a shared antenna for LTE and NR according to an embodiment of the present application.
  • FIG. 5a is a schematic circuit diagram of another antenna shared by LTE and NR.
  • Fig. 5b is a schematic diagram of circuit connection in a switching state.
  • FIG. 5c is a schematic diagram of circuit connection in another switching state.
  • FIG. 6 is a functional block diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a software structural block diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a switch device 001 provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another switching device provided by an embodiment of the present application.
  • 10a-10h are schematic diagrams of a group of antenna selection circuits provided by embodiments of the present application.
  • 11a-11d are schematic circuit diagrams of a group of SRS rotation provided by the embodiments of the present application.
  • FIG. 12a is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 12b is a schematic diagram of another application scenario provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of an equivalent circuit provided by an embodiment of the present application.
  • 14a-14d are schematic diagrams of antenna selection of a group of equivalent circuits provided by the embodiments of the present application.
  • FIG. 15 is a schematic structural diagram of another switch device provided by an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of another switch device provided by an embodiment of the present application.
  • FIG. 17 is a schematic flowchart of a communication method provided by an embodiment of the present application.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and the computing device may be components.
  • One or more components may reside within a process and/or thread of execution, and a component may be localized on one computer and/or distributed between 2 or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals
  • Multi antenna selection multi antenna selection, MAS
  • MAS Multi antenna selection
  • the ANT0 antenna with better signal can be selected through DPDT, SPDT1 and SPDT2 to transmit the LTE main set Transmit (transmit, TX) signal, so as to ensure that the mobile phone can transmit data on the antenna with the best signal quality at any time, and improve the customer's use experience.
  • the fifth-generation mobile communication technology supports beamforming (beaforming) technology, and can transmit directionally to the terminal. If the base station wants to transmit directionally, it must first detect the location of the terminal and the quality of the transmission path, so that the resources of the base station can be allocated to each terminal more accurately. Sending the SRS signal by the terminal is one of the ways for the base station to detect the location and channel quality of the terminal.
  • the functions of SRS can simply include the following points:
  • a It is used to estimate the quality of the uplink channel, so as to be used for uplink scheduling, uplink synchronization (timing advance, TA), and uplink wave speed management.
  • uplink synchronization timing advance, TA
  • uplink wave speed management uplink wave speed management
  • the channel symmetry is used to estimate the downlink channel quality, as in the downlink multiple input multiple output antenna system (multi input multi output, MIMO) Weight calculation, etc.
  • MIMO technology refers to using multiple transmitting and receiving antennas at the transmitting end and the receiving end, respectively, so that signals are transmitted and received through the multiple antennas at the transmitting end and the receiving end, thereby improving communication quality, etc., which will not be described in detail here.
  • SRS rotation means that the terminal sends SRS signals on different physical antennas in turn.
  • the SRS capabilities defined by the current protocol are mainly 1T2R, 1T4R and 2T4R.
  • the hardware requirement of SRS rotation is mainly that the transmitted signal can be switched on different antennas. It should be noted that the more antennas that can participate in sending SRS signals, the more accurate the channel estimation and the higher the rate that can be obtained; if only the fixed antenna is sent, other antenna information will be lost, the antenna is not fully utilized, and it is difficult to obtain highest rate.
  • 5G terminals are generally equipped with multiple transceiver antennas.
  • mainstream 5G mobile phones and customer premise equipment (CPE) all use 2 transmit antennas and 4 receive antennas (ie 2T4R).
  • CPE customer premise equipment
  • the multiple antennas of the 5G terminal are used to report channel information in turn (that is, SRS rotation)
  • the information obtained by the base station can be more comprehensive and more accurate data transmission can be performed.
  • the main mode of SRS rotation can be as follows:
  • the terminal transmits SRS signals on two antennas in turn, and selects one antenna to transmit at a time
  • the terminal transmits SRS signals on four antennas in turn, and selects one antenna for transmission at a time.
  • the terminal transmits SRS signals on 4 antennas in turn, and selects 2 antennas for transmission at a time.
  • terminals in non-standalone (NSA) mode often use 1T4R
  • terminals in standalone (SA) mode often use 2T4R, and so on, which will not be described in detail here.
  • the NR multi-antenna switching circuit can realize the SRS round transmission specification of 1T4R, which can be achieved through multiple double pole four throw switches (DP4T) as shown in Figure 2, such as DP4T1 and
  • DP4T2 realizes the rotation of NR TX on the 4 antennas ANT4, ANT5, ANT6 and ANT7, that is, the rotation of SRS signals on the 4 antennas.
  • FIG. 1 and FIG. 2 are only exemplary to illustrate a possible LTE multi-antenna switching circuit and NR multi-antenna switching circuit, and in some possible implementations, may include more More or less, or even different components, etc., which are not specifically limited in this embodiment of the present application.
  • FIG. 3 is a schematic diagram of typical allocation of terminal antennas.
  • the current mobile phone terminal communication specifications are getting higher and higher, especially in the 5G era with the increase in frequency bands and new application scenarios such as wireless-fidelity (WIFI) and 5G, the corresponding antenna types and numbers There are also more and more (eg GPS antenna, WIFI antenna, sub6G-1 antenna, sub6G-2 antenna and sub6G-3 antenna in Figure 3, etc.).
  • the stacking design and production cost of the layout of the mobile phone terminal are challenged. If the antenna is increased without restraint, the circuit layout area and production cost will be greatly increased. At this time, the proposal of the antenna multiplexing technology (or called the antenna sharing technology) can effectively solve the problem of the large number of physical antennas at present.
  • the technical problems to be solved by the present application are further analyzed and proposed.
  • the shared antenna technology of LTE and NR includes a variety of technical solutions, and the following two commonly used solutions are exemplified below.
  • FIG. 4a is a schematic circuit diagram of a shared antenna for LTE and NR.
  • the traditional LTE and NR antenna sharing scheme uses a diplexer, or is called a combiner, to combine the LTE and NR antennas.
  • Each antenna in ANT1, ANT2, ANT3 and ANT4 is connected with a combiner, which makes LTE and NR independent of each other, and can transmit signals through any one of the four antennas.
  • the combiner can combine signals of different frequencies of NR and LTE, so that two signals of different frequencies can use the same antenna to transmit or receive at the same time.
  • LTE generally follows the low frequency channel of the combiner
  • NR generally follows the high frequency channel of the combiner.
  • FIG. 4b is a schematic diagram of an equivalent circuit of a shared antenna for LTE and NR provided by an embodiment of the present application.
  • the switches such as DP4T1, DP4T2, SPDT1, SPDT2, and DPDT in Fig. 4a can be used as a 6P8T switch.
  • both LTETX and LTE primary receive (PRX) can select the antenna ANT1, ANT2, ANT3 or ANT4 transmit signals;
  • LTE diversity reception (DRX) can select the antenna ANT1, ANT2, ANT3 or the conduction between port B and port 2, port 4, port 6 or port 8 in 6P8T ANT4 transmits signals;
  • both NRTX and NRPRX can select the antenna ANT1, ANT2, ANT3 or ANT4 to transmit signals through the conduction between port C and port 1, port 3, port 5 or port 7 in 6P8T;
  • NDRRX can transmit signals through 6P8T
  • the conduction between port D and port 1, port 3, port 5 or port 7 selects antenna ANT1, ANT2, ANT3 or ANT4 to transmit signals;
  • NR MIMOPRX can pass port E in 6P8T and port 1, port 3, port 5 or the conduction between port 7 to select the antenna ANT1, ANT2, ANT3 or ANT4 to transmit signals;
  • NR MIMODRX can be
  • FIG. 5a is a schematic circuit diagram of another antenna shared by LTE and NR.
  • antenna multiplexing can also be achieved by connecting LTE and NR through a 4P4T switch circuit and four antennas.
  • FIG. 5b is a schematic diagram of circuit connection in a switch state. As shown in Figure 5b, by default, the switch state of 4P4T is 1-A/2-B/3-C/4-D on.
  • LTE TX/PRX and NR MIMO PRX pass through combiner 1 and work on ANT0; LTE DRX and NR MIMO DRX pass through combiner 2 and work on ANT1; NR TX/PRX works on ANT2; NR DRX works on ANT3 .
  • the second solution also realizes that LTE and NR share four antennas, and compared with the first solution, it also reduces the number of combiners and switches.
  • the SRS rotation and LTE antenna switching in the second solution will interrupt each other, resulting in performance loss.
  • FIG. 5c is a schematic diagram of circuit connection in another switching state. Please refer to Figure 5b and Figure 5c together.
  • NR is used as SRS antenna and sent to ANT0, it is necessary to switch 3-C conduction in default state to 3-A conduction, so that NR TX can transmit SRS through ANT0 Signal.
  • the LTE TX is turned on from 1-A in the default state, passively switched to 1-C, and passively transmits signals through ANT2.
  • LTE not only needs to perform TX-blanking (interruption) during the handover process, resulting in performance loss, and if the quality of the antenna signal of ANT2 is poor at this time, it will further affect the user experience.
  • the above-mentioned solution 1 in the prior art can better realize the shared antenna of LTE and NR, and is independent of each other and does not affect each other, it ensures the normal operation of antenna switching of LTE and SRS rotation of NR, but the circuit is complicated. , which brings the problems of increased circuit area and increased production cost; although the above-mentioned scheme 2 can realize the shared antenna between LTE and NR by simply two combiners and a 4P4T switch, the circuit is simple, there is interference between LTE and NR, and SRS Round-robin and LTE antenna switching can interrupt each other, causing performance loss. In this way, the existing technology does not really solve the problems of work performance and production cost faced by the shared antenna of LTE and NR.
  • the technical problems to be solved by the present invention include the following aspects: based on existing communication equipment, through more reasonable switch selection and circuit layout, On the basis of sharing antennas, LTE and NR ensure that both parties can perform normal antenna switching and SRS rotation, and further reduce circuit area and production costs.
  • FIG. 6 is a functional block diagram of a communication device provided by an embodiment of the present application.
  • the embodiment of the present application will be specifically described below by taking the communication device 100 as an example. It should be understood that the structures illustrated in the embodiments of the present application do not constitute a specific limitation on the communication device 100.
  • the communication device 100 may have more or fewer components than shown in the figures, or some components may be combined, or some components may be split, or a different arrangement of components.
  • the various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
  • the communication device 100 may include: a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, and a mobile communication module 150 , antenna system 151, wireless communication module 160, audio module 170, speaker 170A, receiver 170B, microphone 170C, headphone jack 170D, sensor module 180, buttons 190, motor 191, indicator 192, camera 193, display screen 194, and user Identity module (subscriber identification module, SIM) card interface 195 and so on.
  • SIM subscriber identification module
  • the sensor module 180 may include a pressure sensor 180A, a gyroscope sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, a fingerprint sensor 180H, a temperature sensor 180J, a touch sensor 180K, and ambient light. Sensor 180L, bone conduction sensor 180M, etc.
  • the processor 110 may include one or more processing units, for example, the processor 110 may include an application processor (application processor, AP), a modem processor, a graphics processor (graphics processing unit, GPU), an image signal processor (image signal processor, ISP), controller, memory, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU) Wait. Wherein, different processing units may be independent devices, or may be integrated in one or more processors.
  • application processor application processor, AP
  • modem processor graphics processor
  • graphics processor graphics processor
  • ISP image signal processor
  • controller memory
  • video codec digital signal processor
  • DSP digital signal processor
  • NPU neural-network processing unit
  • the controller may be the nerve center and command center of the communication device 100 .
  • the controller can generate an operation control signal according to the instruction operation code and timing signal, and complete the control of fetching and executing instructions.
  • a memory may also be provided in the processor 110 for storing instructions and data.
  • the memory in processor 110 is cache memory. This memory may hold instructions or data that have just been used or recycled by the processor 110 . If the processor 110 needs to use the instruction or data again, it can be called directly from the memory. Repeated accesses are avoided and the latency of the processor 110 is reduced, thereby increasing the efficiency of the system.
  • the processor 110 may include one or more interfaces.
  • the interface may include an integrated circuit (inter-integrated circuit, I2C) interface, an integrated circuit built-in audio (inter-integrated circuit sound, I2S) interface, a pulse code modulation (pulse code modulation, PCM) interface, a universal asynchronous transceiver (universal asynchronous transmitter) receiver/transmitter, UART) interface, mobile industry processor interface (MIPI), general-purpose input/output (GPIO) interface, subscriber identity module (SIM) interface, and / or universal serial bus (universal serial bus, USB) interface, etc.
  • I2C integrated circuit
  • I2S integrated circuit built-in audio
  • PCM pulse code modulation
  • PCM pulse code modulation
  • UART universal asynchronous transceiver
  • MIPI mobile industry processor interface
  • GPIO general-purpose input/output
  • SIM subscriber identity module
  • USB universal serial bus
  • the interface connection relationship between the modules illustrated in the embodiment of the present invention is only a schematic illustration, and does not constitute a structural limitation of the communication device 100 .
  • the communication device 100 may also adopt different interface connection manners in the foregoing embodiments, or a combination of multiple interface connection manners.
  • the charging management module 140 is used to receive charging input from the charger.
  • the charger may be a wireless charger or a wired charger.
  • the power management module 141 is used for connecting the battery 142 , the charging management module 140 and the processor 110 .
  • the power management module 141 receives input from the battery 142 and/or the charging management module 140 and supplies power to the processor 110 , the internal memory 121 , the external memory, the display screen 194 , the camera 193 , and the wireless communication module 160 .
  • the wireless communication function of the communication device 100 may be implemented by the antenna system 151, the mobile communication module 150, the wireless communication module 160, the modulation and demodulation processor, the baseband processor, and the like.
  • the mobile communication module 150 may include a radio frequency circuit, and may specifically include an LTE main set transmitting circuit, an LTE main set receiving circuit, an LTE diversity receiving circuit, an NR main set transmitting circuit, an NR main set receiving circuit, and an NR diversity receiving circuit, etc. , and may also include switching means. Therein, the switching device may comprise a plurality of ports.
  • the antenna system 151 may include multiple antennas, and in some possible implementations, may specifically include four antennas supporting the 4G LTE frequency band and the 5G NR frequency band.
  • the radio frequency circuit and the antenna system 151 can be connected to a switch device, so that the LTE system and the NR system can share the four antennas.
  • the LTE controller can select the antenna with better signal among these 4 antennas to send and receive signals, and can transmit and receive signals through the middle of the switch device by turning on and off each port in the switch device. The turn-on and turn-off between each port realizes that the SRS signal of NR is transmitted in turn on these four antennas (that is, 1T4R or 2T4R is realized).
  • the communication device 100 implements a display function through a GPU, a display screen 194, an application processor, and the like.
  • the GPU is a microprocessor for image processing, and is connected to the display screen 194 and the application processor.
  • the GPU is used to perform mathematical and geometric calculations for graphics rendering.
  • Processor 110 may include one or more GPUs that execute program instructions to generate or alter display information.
  • Display screen 194 is used to display images, videos, and the like.
  • Display screen 194 includes a display panel.
  • the display panel can be a liquid crystal display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (active-matrix organic light).
  • LED diode AMOLED
  • flexible light-emitting diode flexible light-emitting diode (flex light-emitting diode, FLED), Miniled, MicroLed, Micro-oLed, quantum dot light-emitting diode (quantum dot light emitting diodes, QLED) and so on.
  • the communication device 100 may include 1 or N display screens 194 , where N is a positive integer greater than one.
  • the communication device 100 can realize the shooting function through the ISP, the camera 193, the video codec, the GPU, the display screen 194 and the application processor.
  • the communication device 100 may include one or more cameras 193 .
  • the ISP is used to process the data fed back by the camera 193 .
  • the shutter is opened, the light is transmitted to the camera photosensitive element through the lens, the light signal is converted into an electrical signal, and the camera photosensitive element transmits the electrical signal to the ISP for processing, and converts it into an image visible to the naked eye.
  • ISP can also perform algorithm optimization on image noise, brightness and contrast. ISP can also optimize the exposure, color temperature and other parameters of the shooting scene.
  • the ISP may be provided in the camera 193 .
  • Camera 193 is used to capture still images or video.
  • the object is projected through the lens to generate an optical image onto the photosensitive element.
  • the photosensitive element may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
  • CMOS complementary metal-oxide-semiconductor
  • the photosensitive element converts the optical signal into an electrical signal, and then transmits the electrical signal to the ISP to convert it into a digital image signal.
  • the ISP outputs the digital image signal to the DSP for processing.
  • DSP converts digital image signals into standard RGB, YUV and other formats of image signals.
  • the camera 193 may be located on the front of the communication device, such as above the touch screen, or may be located at other positions, such as the back of the communication device.
  • the camera 193 may also include a camera for collecting images required for face recognition, such as an infrared camera or other cameras.
  • the camera that collects images required for face recognition is generally located on the front of the communication device, for example, above the touch screen, and may also be located at other locations, such as the back of the communication device, which is not limited in this embodiment of the present invention.
  • the communication device 100 may include other cameras.
  • the communication device may also include a dot matrix emitter (not shown) for emitting light.
  • a digital signal processor is used to process digital signals, in addition to processing digital image signals, it can also process other digital signals. For example, when the communication device 100 selects a frequency point, the digital signal processor is used to perform Fourier transform on the frequency point energy, and the like.
  • Video codecs are used to compress or decompress digital video.
  • Communication device 100 may support one or more video codecs.
  • the communication device 100 can play or record videos of various encoding formats, such as: Moving Picture Experts Group (moving picture experts group, MPEG) 1, MPEG2, MPEG3, MPEG4 and so on.
  • MPEG Moving Picture Experts Group
  • MPEG2 Moving picture experts group
  • MPEG3 Moving Picture Experts Group
  • NPU is a neural-network (NN) computing processor.
  • NN neural-network
  • Applications such as intelligent cognition of the communication device 100 can be implemented through the NPU, for example: image recognition, face recognition, speech recognition, text understanding, and the like.
  • the external memory interface 120 can be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the communication device 100.
  • the external memory card communicates with the processor 110 through the external memory interface 120 to realize the data storage function. For example to save files like music, video etc in external memory card.
  • Internal memory 121 may be used to store computer executable program code, which includes instructions.
  • the processor 110 executes various functional applications and data processing of the communication device 100 by executing instructions stored in the internal memory 121 .
  • the internal memory 121 may include a storage program area and a storage data area.
  • the storage program area can store an operating system, an application required for at least one function (such as a communication function, a face recognition function, a video recording function, a video playback function, a photographing function, an image processing function, etc.).
  • the storage data area may store data and the like created during the use of the communication device 100 .
  • the internal memory 121 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, universal flash storage (UFS), and the like.
  • the communication device 100 may implement audio functions through an audio module 170, a speaker 170A, a receiver 170B, a microphone 170C, an earphone interface 170D, an application processor, and the like. Such as music playback, recording, etc.
  • the audio module 170 is used for converting digital audio information into analog audio signal output, and also for converting analog audio input into digital audio signal.
  • Speaker 170A also referred to as a “speaker” is used to convert audio electrical signals into sound signals.
  • the receiver 170B also referred to as “earpiece”, is used to convert audio electrical signals into sound signals.
  • the microphone 170C also called “microphone” or “microphone”, is used to convert sound signals into electrical signals.
  • the earphone jack 170D is used to connect wired earphones.
  • the earphone interface 170D can be a USB interface 130, or can be a 3.5mm open mobile terminal platform (OMTP) standard interface, a cellular telecommunications industry association of the USA (CTIA) standard interface.
  • OMTP open mobile terminal platform
  • CTIA cellular telecommunications industry association of the USA
  • the pressure sensor 180A is used to sense pressure signals, and can convert the pressure signals into electrical signals.
  • the pressure sensor 180A may be provided on the display screen 194 .
  • the gyro sensor 180B may be used to determine the motion attitude of the communication device 100 .
  • the angular velocity of the communication device 100 about three axes ie, the x, y, and z axes
  • the gyro sensor 180B may be determined by the gyro sensor 180B.
  • Proximity light sensor 180G may include, for example, light emitting diodes (LEDs) and light detectors, such as photodiodes.
  • the light emitting diodes may be infrared light emitting diodes.
  • the ambient light sensor 180L is used to sense ambient light brightness.
  • the communication device 100 can adaptively adjust the brightness of the display screen 194 according to the perceived ambient light brightness.
  • the ambient light sensor 180L can also be used to automatically adjust the white balance when taking pictures.
  • the fingerprint sensor 180H is used to collect fingerprints.
  • the communication device 100 can use the collected fingerprint characteristics to realize fingerprint unlocking, accessing application locks, taking photos with fingerprints, answering incoming calls with fingerprints, and the like.
  • the fingerprint sensor 180H can be arranged below the touch screen, the communication device 100 can receive a user's touch operation on the touch screen corresponding to the fingerprint sensor, and the communication device 100 can collect the fingerprint of the user's finger in response to the touch operation. information to implement related functions.
  • the temperature sensor 180J is used to detect the temperature.
  • the communication device 100 utilizes the temperature detected by the temperature sensor 180J to implement a temperature handling strategy.
  • Touch sensor 180K also called “touch panel”.
  • the touch sensor 180K may be disposed on the display screen 194 , and the touch sensor 180K and the display screen 194 form a touch screen, also called a “touch screen”.
  • the touch sensor 180K is used to detect a touch operation on or near it.
  • the touch sensor can pass the detected touch operation to the application processor to determine the type of touch event.
  • Visual output related to touch operations may be provided through display screen 194 .
  • the touch sensor 180K may also be disposed on the surface of the communication device 100 at a different location than the display screen 194 .
  • the keys 190 include a power-on key, a volume key, and the like. Keys 190 may be mechanical keys. It can also be a touch key.
  • the communication device 100 may receive key inputs and generate key signal inputs related to user settings and function control of the communication device 100 .
  • the indicator 192 can be an indicator light, which can be used to indicate the charging state, the change of the power, and can also be used to indicate a message, a missed call, a notification, and the like.
  • the SIM card interface 195 is used to connect a SIM card.
  • the SIM card can be contacted and separated from the communication device 100 by inserting into the SIM card interface 195 or pulling out from the SIM card interface 195 .
  • the communication device 100 employs an eSIM, ie: an embedded SIM card.
  • the eSIM card can be embedded in the communication device 100 and cannot be separated from the communication device 100 .
  • the communication device 100 may be a smart phone, a smart wearable device, a tablet computer, a laptop computer, etc. with the above functions, which are not specifically limited in this embodiment of the present application.
  • FIG. 7 is a software structural block diagram of a communication device provided by an embodiment of the present application.
  • the layered architecture divides the software into several layers, and each layer has a clear role and division of labor. Layers communicate with each other through software interfaces.
  • the Android system is divided into four layers, which are, from top to bottom, an application layer, an application framework layer, an Android runtime (Android runtime) and a system library, and a kernel layer.
  • the software structure shown in FIG. 7 is only a schematic illustration, and in some possible embodiments, the communication device 100 may have more or less structures than those shown in the figure, and so on. This is not specifically limited in the application examples.
  • the application layer can include a series of application packages.
  • the application package may include applications (also referred to as applications) such as camera, gallery, calendar, call, map, navigation, WLAN, Bluetooth, music, video, and short message. It can also include the relevant communication applications involved in the present application, through which a communication method in the present application can be used to realize LTE antenna switching and NR SRS rotation based on the shared antenna of LTE and NR, and both not interfere with each other.
  • applications also referred to as applications
  • the LTE antenna switching ensures that data transmission is always carried out through the antenna with better signal to ensure the user experience, and on the other hand, it ensures the reliable progress of SRS rotation, and ensures that the base station can estimate the channel quality of the communication equipment, and so on.
  • the application framework layer provides an application programming interface (application programming interface, API) and a programming framework for applications in the application layer.
  • the application framework layer includes some predefined functions.
  • the application framework layer may include a window manager, a content provider, a view system, a telephony manager, a resource manager, a notification manager, and the like.
  • a window manager is used to manage window programs.
  • the window manager can get the size of the display screen, determine whether there is a status bar, lock the screen, take screenshots, etc.
  • Content providers are used to store and retrieve data and make these data accessible to applications.
  • the data may include video, images, audio, calls made and received, browsing history and bookmarks, phone book, etc.
  • the view system includes visual controls, such as controls for displaying text, controls for displaying pictures, and so on. View systems can be used to build applications.
  • a display interface can consist of one or more views.
  • the display interface including the short message notification icon may include a view for displaying text and a view for displaying pictures.
  • the phone manager is used to provide the communication function of the communication device 100 .
  • the management of call status including connecting, hanging up, etc.).
  • the resource manager provides various resources for the application, such as localization strings, icons, pictures, layout files, video files and so on.
  • the notification manager enables applications to display notification information in the status bar, which can be used to convey notification-type messages, and can disappear automatically after a brief pause without user interaction. For example, the notification manager is used to notify download completion, message reminders, etc.
  • the notification manager can also display notifications in the status bar at the top of the system in the form of graphs or scroll bar text, such as notifications from applications running in the background, and can also display notifications on the screen in the form of a dialog interface. For example, text information is prompted in the status bar, a prompt tone is issued, the communication device vibrates, and the indicator light flashes.
  • Android Runtime includes core libraries and a virtual machine. Android runtime is responsible for scheduling and management of the Android system.
  • the core library consists of two parts: one is the function functions that the java language needs to call, and the other is the core library of Android.
  • the application layer and the application framework layer run in virtual machines.
  • the virtual machine executes the java files of the application layer and the application framework layer as binary files.
  • the virtual machine is used to perform functions such as object lifecycle management, stack management, thread management, safety and exception management, and garbage collection.
  • the system library may include multiple functional modules, such as: surface manager (surface manager), media library (Media Libraries), 3D graphics processing library (eg: OpenGL ES), 2D graphics engine (eg: SGL) and so on.
  • surface manager surface manager
  • media library Media Libraries
  • 3D graphics processing library eg: OpenGL ES
  • 2D graphics engine eg: SGL
  • the Surface Manager is used to manage the display subsystem and provides a fusion of 2D and 3D layers for multiple applications.
  • the media library supports playback and recording of a variety of commonly used audio and video formats, as well as still image files.
  • the media library can support a variety of audio and video encoding formats, such as: MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, etc.
  • the video formats involved in this application can be, for example, RM, RMVB, MOV, MTV, AVI, AMV, DMV, FLV, and so on.
  • the 3D graphics processing library is used to implement 3D graphics drawing, image rendering, compositing, and layer processing.
  • 2D graphics engine is a drawing engine for 2D drawing.
  • the kernel layer is the layer between hardware and software.
  • the kernel layer contains at least display drivers, camera drivers, audio drivers, and sensor drivers.
  • FIG. 8 is a schematic structural diagram of a switch device 001 provided by an embodiment of the present application.
  • the switching device 1001 may be applied to a communication device (eg, the communication device 100 shown in FIG. 6 ), and the communication device may include the antenna system 002 shown in FIG. 8 .
  • the antenna system 002 and the switching device 001 may be located in the antenna system 151 in the communication system 100 shown in FIG. 6 above.
  • the antenna system 002 may include K antennas, such as the antennas 002a, 002b, 002c, and 002d shown in FIG.
  • the switch device 001 may include N+X first ports, K+N second ports, and N combiners; wherein N, X, and K are integers greater than or equal to 1.
  • N, X, and K are integers greater than or equal to 1.
  • the K second ports in the K+N second ports are respectively connected with the K antennas one by one; the N second ports in the K+N second ports are respectively connected with the K antennas.
  • the respective first input ends of the N combiners are connected one by one; the respective output ends of the N combiners are respectively connected with the N first ports among the N+X first ports.
  • the switching device 001 can be used to turn on the i-th first port among the N first ports and the j-th second port among the K second ports, so as to pass the
  • the jth antenna connected to the j second ports transmits the first type of signal (eg, transmits signals for the LTE main set, etc.).
  • i is an integer greater than or equal to 1 and less than or equal to N
  • j is an integer greater than or equal to 1 and less than or equal to K.
  • the second type of signal for example, the NR main set transmit signal, or the sounding reference signal SRS, etc.
  • the second type of signal for example, the NR main set transmit signal, or the sounding reference signal SRS, etc.
  • s is an integer greater than or equal to 1 and less than or equal to X.
  • the sth first port of the X first ports of the switching device can be turned on A port and the j'th second port among the K second ports, and transmit the second type signal through the corresponding j'th antenna; j' is greater than or equal to 1 and less than or equal to K Integer, j is not equal to j'.
  • both parties can select any antenna in the shared antenna system for signal transmission, which satisfies the requirements of the first type of signals when the antenna is occupied for transmission.
  • the second type of signal can be transmitted by selecting the same antenna or other antennas through the switching device according to the actual needs, and the transmission of the other party will not be interrupted because one party occupies the antenna, and there is no mutual interference.
  • FIG. 9 is a schematic structural diagram of another switch device provided by an embodiment of the present application.
  • the communication device may further include a radio frequency circuit, wherein the radio frequency circuit may include a first type of circuit and a second type of circuit.
  • the first type of circuit may include a first main set transmitting circuit (such as LTE TX1 in FIG. 9 ), a first main set receiving circuit (such as LTE PRX1 in FIG. 9 ), and a first diversity receiving circuit (such as FIG. 9 ) LTE DRX1 in 9), wherein, as shown in FIG. 9, LTE TX1 and LTE PRX1 can be combined by a duplexer (duplexer, not shown in the figure).
  • a duplexer duplexer, not shown in the figure.
  • the second type of circuit may include a second main set transmit circuit (for example, NR TX2 in FIG. 9 ), a second main set receive circuit (for example, NR PRX2 in FIG. 9 ), and a second diversity receive circuit (for example, in FIG. 9 ).
  • NR DRX2 in 9 wherein, as shown in Figure 9, NR TX2 and NR PRX2 can also be combined by a duplexer (not shown in the figure).
  • the radio frequency circuit may further include NR MIMO PRX2 and NR MIMO DRX2.
  • power amplifiers may be included in the above-mentioned LTE TX1 and NR TX2, and low-noise amplifiers may be included in the above-mentioned LTE PRX1, LTE DRX1, NR PRX2, NR DRX2, NR MIMO PRX2, and NR MIMO DRX2, and so on.
  • each of the above circuits may be connected to a radio frequency transceiver (not shown in the figure), which will not be described in detail here.
  • the antenna system in the embodiment of the present application may include 4 antennas (that is, K may be equal to 4), which may specifically include ANT1, ANT2, ANT3 and ANT4 as shown in FIG. 9 .
  • the switch device may specifically include two SPDT switches (SPDT101 and SPDT102), two combiners (combiner 201 and combiner 202), and three double-pole double-throw switches (DPDT301, DPDT302 and DPDT303) and a double pole four throw switch (DP4T401).
  • both SPDT101 and SPDT102 may include one P port (for example, port A in SPDT101 and SPDT102 shown in FIG. 9 ) and two T ports (for example, port 1 and port 2 in SPDT101 and SPDT102 shown in FIG. 9 ) ;
  • DPDT301, DPDT302 and DPDT303 can include 2 P ports (such as the respective ports A and B in DPDT301, DPDT302 and DPDT303 shown in Figure 9) and 2 T ports (such as DPDT301, DPDT302 and DPDT303 shown in Figure 9)
  • DP4T401 can include 2 P ports (such as port A and port B in DP4T401 shown in Figure 9) and 4 T ports (such as port 1, port 2, port 3 and port 4).
  • both the combiner 201 and the combiner 202 may include a high frequency end (that is, the first input end in the embodiment corresponding to FIG. 8 ) and a low frequency end (that is, the first input end in the embodiment corresponding to FIG. 8 ) second input) these two inputs.
  • the above N combiners may include a combiner 201 and a combiner 202; the above N first ports may include port A and port B of the DPDT 301; the above X first ports may Including port A and port B of DP4T401; the above K second ports may include port 1 and port 2 of DPDT302, and port 1 and port 2 of DPDT303; the above N second ports may include port 1 and port 4 of DP4T401.
  • NR MIMO DRX2 is connected to port 2 of SPDT101, port A of SPDT101 is connected to the high frequency end of combiner 201, and LTE DRX1 is connected to the low frequency end of combiner 201 (it can be understood that, The frequency band of LTE is often lower than the frequency band of NR), the output end of the combiner 201 is connected to the port A of the DPDT301, the port 1 of the DPDT301 is connected to the port A of the DPDT302, and the port 1 of the DPDT302 is connected to the antenna ANT1.
  • NR MIMO PRX2 is connected to port 2 of SPDT102, port A of SPDT102 is connected to the high frequency end of combiner 202, LTE TX1/PRX1 is connected to the low frequency end of combiner 202, and the combiner
  • the output end of 202 is connected with port B of DPDT301, port 2 of DPDT301 is connected with port A of DPDT303, and port 1 of DPDT303 is connected with antenna ANT2.
  • NR DRX2 is connected to port A of DP4T401, port 1 of DP4T401 is connected to port 1 of SPDT101, port 2 of DP4T401 is connected to port B of DPDT302, and port 2 of DPDT302 is connected to antenna ANT3.
  • NR TX2/PRX2 is connected to port B of DP4T
  • port 4 of DP4T is connected to port 1 of SPDT102
  • port 3 of DP4T401 is connected to port B of DPDT303
  • port 2 of DPDT303 is connected to antenna ANT4.
  • Port A can only be connected to one of ports 1 and 2, which can be used to conduct port A and port 1 when SRS is in turn (that is, when NR TX2 transmits signals). At this time, port A and port The path between 2 is disconnected, and NR MIMO DRX2 does not work to give the channel to the SRS to transmit to the corresponding antenna.
  • Port A can only be connected to one of the ports 1 and 2. It can be used to connect port A and port 1 during SRS rotation. At this time, the path between port A and port 2 is disconnected, and NR MIMO PRX2 does not work to give the channel to the SRS to transmit to the corresponding antenna.
  • Combiner 201 Combine the signal regions of different frequencies of NR and LTE, so that two signals of different frequencies can be transmitted using the same antenna (that is, NR and LTE use the same antenna to transmit or receive signals simultaneously).
  • the NR MIMO DRX2 is the high frequency channel in the combiner 201
  • the LTE DRX1 is the low frequency channel.
  • Combiner 202 Combine the signal regions of different frequencies of NR and LTE, so that two signals of different frequencies can be transmitted by using the same antenna. Send or receive at the same time.
  • the NR MIMO PRX2 takes the high frequency channel in the combiner 202
  • the LTE TX1/PRX1 takes the low frequency channel.
  • DPDT301 There are two states of through and cross conduction.
  • the straight-through state is A-1 ⁇ B-2 conduction
  • the cross conduction state is A-2/B-1 conduction.
  • the DPDT301 can be controlled by TAS ctrl (for example, a processor or a controller connected to the switch device, or a part thereof, etc.) to implement the TAS switching function, so that the LTE signal is on the upper antenna (ANT1, ANT3) and lower antennas (ANT2, ANT4).
  • TAS ctrl for example, a processor or a controller connected to the switch device, or a part thereof, etc.
  • DPDT302 There are two states of through and cross conduction.
  • the straight-through state is A-1 ⁇ B-2 conduction
  • the cross conduction state is A-2/B-1 conduction.
  • the MAS switching function can be implemented by controlling the DPDT 302 through MAS_ctrl_1, so that the LTE signal can be switched between the left and right antennas (ANT1, ANT3) of the upper antenna.
  • DPDT303 There are two states of through and cross conduction.
  • the straight-through state is A-1 ⁇ B-2 conduction
  • the cross conduction state is A-2/B-1 conduction.
  • MAS_ctrl_2 can be used to control the DPDT303 to implement the MAS switching function, so that the LTE signal can be switched between the left and right antennas (ANT2, ANT3) of the lower antenna.
  • Port A and Port B can be connected to any two different ports between Port 1, Port 2, Port 3 and Port 4.
  • DP4T401 mainly realizes the connection between NR main diversity (ie NR TX2/PRX2, NR DRX2) and antenna, and enables NR TX2 to do SRS rotation on antennas ANT1, ANT3, ANT2 and ANT4 through DP4T401.
  • FIGS. 10a-10h are schematic diagrams of a group of antenna selection circuits provided by embodiments of the present application.
  • the LTE controller controls the DPDT301 pass-through (A-1/B-2 is turned on), the DPDT302 pass-through (A-1/B-2 is turned on), and the DPDT303 pass-through (A-1/B-2 is turned on). 1/B-2 is turned on), and control SPDT101 to be A-2 turned on (that is, port A and port 2 in SPDT101 are turned on), and SPDT102 to be A-2 turned on.
  • the LTE DRX1 is connected to the antenna ANT1 via the low frequency end, the output end of the combiner 201, the port A of the DPDT301, the port 1, the port A of the DPDT302, and the port 1, that is, the LTE diversity works at ANT1.
  • LTE TX1/PRX1 is connected to the antenna ANT2 through the low frequency end, the output end of the combiner 202, the port B of the DPDT301, the port 2, the port A of the DPDT303, the port 1 and the antenna ANT2, that is, the LTE main set Works in ANT2, transmits LTE main set transmit signal and receives LTE main set receive signal through ANT2;
  • NR MIMO DRX2 passes through port 2, port A of SPDT101, high frequency end and output end of combiner 201, port A, port of DPDT301 1.
  • the port A and port 1 of the DPDT302 are connected to the antenna ANT1, that is, the NR MIMO DRX2 works in ANT1; B. Port 2, port A and port 1 of DPDT303 are connected to antenna ANT2, that is, NR MIMO PRX2 works in ANT2.
  • FIG. 11a-FIG. 11d are schematic circuit diagrams of a group of SRS rotation provided by the embodiment of the present application.
  • SRS1 As shown in Figure 11a, control DP4T401 to be B-3 turned on (that is, port B and port 3 in DP4T401 are turned on). At this time, NR TX2 passes through DP4T's port B, port 3, DPDT303's port B, Port 2 is connected to the antenna ANT4. As shown in Figure 11a, SRS1 is now transmitting on ANT4.
  • SRS2 As shown in Figure 11b, control DP4T401 to turn on B-2. At this time, NR TX2 is connected to antenna ANT3 via port B, port 2 of DP4T, port B and port 2 of DPDT302. As shown in Figure 11b, SRS2 is transmitting on ANT3 at this time. It should be noted that, please refer to Figure 11a and Figure 11b together, if the initial state or historical state of DP4T401 is A-2 conduction, the original A-2 conduction can be directly covered by B-2 conduction, or as shown in As shown in Figure 11b, it is possible to switch to A-3 on, and so on. It can be understood that since NR adopts the TDD working mode, its transmission and reception are not carried out at the same time. When NR TX2 needs to occupy the channel to perform SRS rotation through the corresponding antenna, NR DRX2 can not work and give up the channel.
  • SRS3 As shown in Figure 11c, control DP4T401 to turn on B-4, and control SPDT102 to turn on A-1. At this time, NR TX2 passes through DP4T port B, port 4, SPDT102 port 1, port A, The high frequency end, the output end of the combiner 202, the port B, the port 2 of the DPDT301, the port A and the port 1 of the DPDT303 are connected to the antenna ANT2. As shown in Figure 11c, SRS3 is transmitting on ANT2 at this time. As mentioned above, since NR adopts the TDD working mode, its transmission and reception are not performed at the same time. When NR TX2 needs to occupy the channel to perform SRS rotation through the corresponding antenna, NR MIMO PRX2 can not work and give up the channel.
  • SRS4 As shown in Figure 11d, control DP4T401 to turn on B-1, and control SPDT101 to turn on A-1 at the same time, at this time, NR TX2 passes through DP4T port B, port 1, SPDT101 port 1, port A, The high frequency end, the output end of the combiner 201, the port A and the port 1 of the DPDT301, the port A and the port 1 of the DPDT302 are connected to the antenna ANT1. As shown in Figure 11d, SRS4 is now transmitting on ANT1. As mentioned above, since NR adopts the TDD working mode, its transmission and reception are not performed at the same time. When NR TX2 needs to occupy the channel to perform SRS rotation through the corresponding antenna, NR MIMO DRX2 can not work and give up the channel.
  • B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 can be turned on by controlling DP4T401, so as to make NR
  • the controller can perform 1T4R SRS rotation on the antennas ANT4 ⁇ ANT3 ⁇ ANT2 ⁇ ANT1 in turn.
  • developers can also change the order of antennas used in SRS rotation by changing the turn-on sequence of DP4T. For example, if the control DP4T turns on B-1 ⁇ B-2 ⁇ B-3 ⁇ B- 4, then the NR controller can take turns to perform 1T4R SRS rotation on the antennas ANT1 ⁇ ANT3 ⁇ ANT4 ⁇ ANT2, etc. This is not specifically limited in this embodiment of the application, and the same is true for the following Figures 10b-10h, No further description will be given.
  • Figure 12a is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • the LTE antenna can be switched when the signals of the antennas ANT2 and ANT4 are extremely weak due to the occlusion of the hand.
  • ANT1 with better signal among ANT1 and ANT3 can be selected to transmit the LTE main set signal, so as to ensure the user's use experience.
  • the LTE controller can control the DPDT301 cross-connection (A-2/B-1 is turned on), the DPDT302 is directly connected (A-1/B-2 is turned on), and the DPDT303 is directly connected (A-1/B-2 is turned on). B-2 is turned on), and control SPDT101 to be A-2 turned on, SPDT102 to be A-2 turned on.
  • the LTE TX1/PRX1 is connected to the antenna ANT1 via the low frequency end, the output end of the combiner 202, the port B of the DPDT301, the port 1, the port A of the DPDT302, and the port 1, that is, the LTE main set Works in ANT1, transmits the LTE main set transmit signal and receives the LTE main set receive signal through ANT1;
  • the antenna ANT2 is connected, that is, the LTE diversity works in ANT2, and the LTE diversity reception signal is received through ANT2; 1.
  • Port A and port 1 of the DPDT302 are connected to the antenna ANT1, that is, NR MIMO PRX2 works in ANT1;
  • Port 2, port A and port 1 of DPDT303 are connected to antenna ANT2, that is, NR MIMO DRX2 works in ANT2.
  • the 1T4R SRS of NR can also be realized by controlling the DP4T401.
  • the DP4T401 For specific control, please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can 1T4R SRS transmission is performed on the antennas ANT4 ⁇ ANT3 ⁇ ANT1 ⁇ ANT2 in turn, and so on, which will not be repeated here.
  • the DPDT303 can also be switched to the cross conduction state (A-2/B-1 conduction), at this time, LTE TX1/PRX1, NR MIMO PRX2 all work in ANT1, LTE DRX1, Both NR MIMO DRX2 work on ANT4.
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can The 1T4R SRS is sent in turn on the antennas ANT2 ⁇ ANT3 ⁇ ANT1 ⁇ ANT4, etc., which will not be repeated here.
  • the DPDT302 can also be switched to the cross conduction state (A-2/B-1 conduction) under the premise of controlling the DPDT301 to pass through and the DPDT303 to pass through.
  • A-2/B-1 conduction A-2/B-1 conduction
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can 1T4R SRS transmission is performed on the antennas ANT4 ⁇ ANT1 ⁇ ANT2 ⁇ ANT3 in turn, and so on, which will not be repeated here.
  • FIG. 12b is a schematic diagram of another application scenario provided by the embodiment of the present application.
  • the LTE antenna switching can be performed when the signals of the antennas ANT1 and ANT2 are extremely weak due to the shielding of the hand.
  • ANT3 with better signal among ANT3 and ANT4 can be selected to transmit the LTE main set signal, so as to ensure the user's use experience.
  • the LTE controller can control the DPDT301 to be cross-connected (A-2/B-1 is turned on), the DPDT302 to be cross-connected (A-2/B-1 to be turned on), and the DPDT303 to be directly connected (A-2/B-1 is turned on). 1/B-2 is turned on), and control SPDT101 to be A-2 turned on, SPDT102 to be A-2 turned on.
  • both LTE TX1/PRX1 and NR MIMO PRX2 work on ANT3
  • both LTE DRX1 and NR MIMO DRX2 work on ANT2.
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can 1T4R SRS transmission is performed on the antennas ANT4 ⁇ ANT1 ⁇ ANT3 ⁇ ANT2 in turn, and so on, which will not be repeated here.
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can The 1T4R SRS transmission is performed on the antennas ANT2 ⁇ ANT1 ⁇ ANT3 ⁇ ANT4 in turn, and so on, which will not be repeated here.
  • the LTE controller can switch to ANT4 to transmit the LTE main set Signal.
  • the LTE controller can control the DPDT301 pass-through (A-1/B-2 is turned on), the DPDT302 pass-through (A-1/B-2 is turned on), and the DPDT303 cross-connection (A-2/ B-1 is turned on), and control SPDT101 to be A-2 turned on, SPDT102 to be A-2 turned on.
  • both LTE TX1/PRX1 and NR MIMO PRX2 work on ANT4, and both LTE DRX1 and NR MIMO DRX2 work on ANT1.
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can The 1T4R SRS transmission is performed on the antennas ANT2 ⁇ ANT3 ⁇ ANT4 ⁇ ANT1 in turn, and so on, which will not be repeated here.
  • the 1T4R SRS of NR if the 1T4R SRS of NR is initiated at this time, it can also be realized by controlling the DP4T401.
  • control please refer to the corresponding description of the above (1) default state. The following is only a brief summary: You can control the DP4T401 to turn on B-3 ⁇ B-2 ⁇ B-4 ⁇ B-1 in turn, so that the NR controller can 1T4R SRS transmission is performed on the antennas ANT2 ⁇ ANT1 ⁇ ANT4 ⁇ ANT3 in turn, and so on, which will not be repeated here.
  • the embodiment of the present application can realize that when LTE performs arbitrary antenna switching, that is, when LTE selects any antenna for signal transmission through each switch, the SRS rotation of NR will not occur.
  • the main diversity reception of LTE is interrupted, and LTE does not need to do TX-blanking, and the two systems of LTE and NR can coexist without conflict.
  • FIG. 13 is a schematic diagram of an equivalent circuit provided by an embodiment of the present application.
  • the equivalent circuit of the switching device may include SPDT101, SPDT102, combiner 201, combiner 202 and a four-pole six-throw switch (4P6T501).
  • FIG. 4b and FIG. 13 together.
  • the embodiment of the present application simplifies the circuit, reduces the number of combiners, and reduces the manufacturing cost.
  • FIG. 8 together.
  • the N first ports can be the ports A and B in the 4P6T
  • the X first ports can be the port C in the 4P6T.
  • the K second ports may be port 1, port 2, port 3 and port 4 in 4P6T, and the N second ports may be port 5 and port 6 in 4P6T.
  • the equivalent circuit is equivalent to DPDT301, DPDT302, DPDT303 and DP4T401 as 4P6T501. It can be understood that the functions implemented by the equivalent circuit are consistent with the descriptions of the corresponding embodiments in FIG. 8 and FIG. 9 above.
  • FIG. 14a-FIG. 14d are schematic diagrams of antenna selection of a group of equivalent circuits provided by the embodiments of the present application.
  • the 4P6T can be controlled to turn on C-3 ⁇ C-5 ⁇ C-6 ⁇ C-4 in turn to achieve NR
  • the SRS is sent in turn on the antennas ANT3 ⁇ ANT1 ⁇ ANT2 ⁇ ANT4, etc., which will not be repeated here.
  • FIG. 15 is a schematic structural diagram of another switch device provided by an embodiment of the present application.
  • the expansion circuit supports the second NR frequency band, that is, NR2 TX3/PRX3, NR2 DRX3, NR2 MIMO PRX3 and NR2 MIMO DRX3 as shown in Figure 15 are added.
  • the switching device includes SPDT101 , SPDT102 , combiner 201 , combiner 202 , DPDT301 , DPDT302 , DPDT303 , DP4T402 and 4P4T601 .
  • port A of DP4T402 is connected to port 2 of SPDT101
  • port B of DP4T402 is connected to port 2 of SPDT102
  • port 1 of DP4T402 is connected to NR2 MIMO DRX3
  • port 2 is connected to NR2 MIMO PRX3
  • port 3 is connected to NR1 MIMO DRX2.
  • Port 4 is connected with NR1 MIMO PRX2.
  • port A of 4P4T601 is connected with NR2 DRX3
  • port B is connected with NR2 TX3/PRX3
  • port C is connected with NR1 DRX2
  • port D is connected with NR1 TX2/PRX2
  • the setting of DP4T402 enables the circuit to support the main diversity transceiver of the second channel NR
  • the newly added 4P4T601 enables the circuit to support the main diversity reception of the second channel NR MIMO.
  • the frequency bands covered by NR1 and NR2 are different, and the two do not work at the same time.
  • NR1 and NR2 can respectively implement the same functions as the corresponding embodiment in Figure 9, that is, when LTE arbitrarily performs antenna switching, NR1 or NR2 can perform SRS rounds. and does not interfere with LTE antenna switching.
  • NR1 when NR1 is working, you can control the port D in 4P4T601 to turn on port 1, port 2, port 3 and port 4 in turn in a certain order, so as to realize the SRS rotation of NR1.
  • Embodiments corresponding to 10a to 10h will not be repeated here.
  • NR2 when NR2 is working, you can control the port B in the 4P4T601 to turn on port 1, port 2, port 3 and port 4 in turn in a certain order, so as to realize the SRS rotation of NR2.
  • FIG. 10a-FIG. 10h will not be repeated here.
  • FIG. 16 is a schematic structural diagram of another switch device provided by an embodiment of the present application.
  • NR1 TX4 and NR2 TX5 are added to the RF circuit part. Therefore, compared with Figure 15, the circuit structure shown in Figure 6 also extends the 2T4R specification to support the first NR and the second NR, that is, NR1 supports 2-way transmission (TX2 and TX3), and NR2 also supports 2-way transmission (TX4 and TX5).
  • NR1 TX4 is connected to port 4 of DP4T402
  • NR2 TX5 is connected to port 2 of DP4T402.
  • LTE and NR1 TX2 work, at this time NR1 TX4 and NR2 TX5 Do not work; or, LTE and NR2 TX3 work, at this time NR1 TX4 and NR2 TX5 do not work, so that is equivalent to NR only supports 1T4R SRS rotation, which can be equivalent to the embodiment corresponding to Figure 15.
  • NR1 TX2 and NR1 TX4 work, LTE does not work; or, NR2 TX3 and NR2 TX5 work, LTE does not work, so, NR1 and NR2 both support 2T4R SRS rotation.
  • NR1 and NR2 both support 2T4R SRS rotation.
  • both NR1 TX2 and NR1 TX4 can perform SRS through 4 antennas
  • NR ie NR1 2T4R specification SRS in rotation, for details, refer to the embodiments corresponding to the above-mentioned FIGS. 10a-10h, which will not be repeated here.
  • FIG. 17 is a schematic flowchart of a communication method provided by an embodiment of the present application, and the communication method can be applied to a communication device (eg, the communication device 100 described in FIG. 6 above).
  • the communication device may include an antenna system and a switch device, the antenna system includes K antennas; the switch device includes N+X first ports, K+N second ports and N combiners; wherein the K+ The K second ports in the N second ports are respectively connected with the K antennas one by one; the N second ports in the K+N second ports are respectively connected with the respective first inputs of the N combiners The respective output ends of the N combiners are respectively connected to the N first ports of the N+X first ports one by one; N, X, and K are integers greater than or equal to 1.
  • the method may be applied to the application scenario described in the above-mentioned FIG. 12a or FIG. 12b, and the method may include the following steps S701-S704.
  • Step S701 through the switching device, turn on the i-th first port in the N first ports and the j-th second port in the K second ports, and pass the corresponding j-th root
  • the antenna transmits the first type of signal; i is an integer greater than or equal to 1 and less than or equal to N, and j is an integer greater than or equal to 1 and less than or equal to K.
  • Step S702 through the switching device, when the second type signal needs to be transmitted through the jth antenna, turn on the sth first port and the N second ports in the X first ports
  • the ith second port in, via the ith combiner connected to the ith second port, and the ith first port connected to the ith combiner, the
  • the s th first port is connected to the j th second port, and transmits the second type signal through the j th antenna;
  • s is an integer greater than or equal to 1 and less than or equal to X .
  • FIG. 8 For the communication method, reference may be made to the descriptions of the corresponding embodiments in the above-mentioned FIG. 8 , FIG. 9 , FIGS. 10 a to 10 h , and FIGS. 11 a to 11 d , which will not be repeated here.
  • An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium may store a program, and when the program is executed by a processor, the processor may execute any of the methods described in the foregoing method embodiments. Some or all of the steps of a kind.
  • Embodiments of the present invention further provide a computer program, where the computer program includes instructions, when the computer program is executed by a multi-core processor, the processor can perform some or all of the steps of any one of the above method embodiments .
  • the disclosed apparatus may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the above-mentioned units is only a logical function division.
  • multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated units are implemented in the form of software functional units and sold or used as independent products, they may be stored in a computer-readable storage medium.
  • the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc., specifically a processor in the computer device) to execute all or part of the steps of the above methods in various embodiments of the present invention.
  • a computer device which may be a personal computer, a server, or a network device, etc., specifically a processor in the computer device
  • the aforementioned storage medium may include: U disk, mobile hard disk, magnetic disk, optical disk, read-only memory (read-only memory, ROM), double-rate synchronous dynamic random access memory (double data rate, DDR), flash memory ( Flash) or random access memory (random access memory, RAM) and other media that can store program codes.

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Abstract

Les modes de réalisation de la présente invention concernent un appareil de commutation, un procédé de communication et un dispositif associé. L'appareil de commutation comprend N + X premiers ports, K + N seconds ports et N combinateurs, K seconds ports étant respectivement connectés un à un à K antennes ; N seconds ports sont respectivement connectés un à un à des premières extrémités d'entrée respectives des N combinateurs ; et les extrémités de sortie respectives des N combinateurs sont respectivement connectées un à un à N premiers ports. L'appareil de commutation est utilisé pour : la connexion d'un i-ème premier port des N premiers ports à un j-ème port des K seconds ports, et la transmission d'un signal de premier type au moyen d'une j-ème antenne ; et lorsqu'un signal de second type doit être transmis au moyen de la j-ème antenne, la connexion d'un s-ème premier port des X premiers ports à un i-ème second port des N seconds ports, et la transmission du signal de second type au moyen de la j-ème antenne. Au moyen des modes de réalisation de la présente invention, la zone de circuit et le coût de fabrication peuvent être réduits, tandis qu'une commutation d'antenne est réalisée et un fonctionnement normal est réalisé.
PCT/CN2021/082790 2021-03-24 2021-03-24 Appareil de commutation, procédé de communication et dispositif associé WO2022198513A1 (fr)

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CN112134588A (zh) * 2018-03-16 2020-12-25 Oppo广东移动通信有限公司 多路选择开关及相关产品
CN109361444A (zh) * 2018-11-30 2019-02-19 维沃移动通信有限公司 一种发射天线的切换方法及终端设备
CN110149132A (zh) * 2019-07-08 2019-08-20 维沃移动通信有限公司 一种发射天线的切换方法及终端设备
CN110518931A (zh) * 2019-07-25 2019-11-29 维沃移动通信有限公司 一种开关模组、射频装置及终端设备

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