Multiway switch, radio frequency system, and wireless communication device

1. A multiway switch configured to be coupled with a radio frequency circuit and an antenna system, the multiway switch comprising:

eight T ports and four P ports, and the antenna system comprising four antennas corresponding to the four P ports;

the eight T ports comprising four first T ports and four second T ports;

each of the four first T ports being coupled with all of the four P ports, and the four first T ports supporting a transmission-reception function;

two of the four second T ports at different frequency bands being coupled with one of the four P ports, the other two of the four second T ports at different frequency bands being coupled with another one of the four P ports, and the four second T ports supporting only a reception function;

each of the four P ports being configured to be coupled with a corresponding antenna of the four antennas; and

the multiway switch being configured to support a preset function of transmitting a sounding reference signal (SRS) through the four antennas in turn.

2. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises two independent circuit modules;

the two independent circuit modules comprise two first independent circuit modules;

each first independent circuit module comprises two first ports and two second ports;

each first port of each first independent circuit module is coupled with one of the four first T ports; and

each first port of each first independent circuit module is coupled with one of the four second T ports.

3. The multiway switch of claim 2 , wherein each first independent circuit module comprises two transceiver integrated circuits and two receiver circuits, wherein:

the two transceiver integrated circuits work at different frequency bands;

each transceiver integrated circuit comprises one transmitter circuit and one receiver circuit;

each transceiver integrated circuit has a transmit-receive port coupled with one of the two first ports of each first independent circuit module; and

each receiver circuit has a receive port coupled with one of the two second ports of each first independent circuit module.

4. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises three independent circuit modules;

the three independent circuit modules comprise two first independent circuit modules and one second independent circuit module;

each first independent circuit module comprises two first ports;

the second independent circuit module comprises four second ports;

each first port of each first independent circuit module is coupled with one of the four first T ports; and

each second port of the second independent circuit module is coupled with one of the four second T ports.

5. The multiway switch of claim 4 , wherein:

each first independent circuit module comprises two transceiver integrated circuits, wherein

the two transceiver integrated circuits work at different frequency bands;

each transceiver integrated circuit comprises one transmitter circuit and one receiver circuit; and

each transceiver integrated circuit has a transmit-receive port coupled with one of the two first ports of the second independent circuit module; and

the second independent circuit module comprises four receiver circuits, wherein each receiver circuit has a receive port coupled with one of the four second ports of the third independent circuit module.

6. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises three independent circuit modules;

the three independent circuit modules comprise two first independent circuit modules and one second independent circuit module;

each first independent circuit module comprises two first ports and one second port;

the second independent circuit module comprises two second ports;

each first port of each first independent circuit module is coupled with one of the four first T ports; and

the second port of each first independent circuit module is coupled with one of the four second T ports and each second port of the second independent circuit module is coupled with another one of the four second T ports.

7. The multiway switch of claim 6 , wherein:

each first independent circuit module comprises two transceiver integrated circuits and one receiver circuit, wherein

the two transceiver integrated circuits work at different frequency bands;

each transceiver integrated circuit comprises one transmitter circuit and one receiver circuit;

each transceiver integrated circuit has a transmit-receive port coupled with one of the two first ports of the fourth independent circuit module; and

the receiver circuit has a receive port coupled with the second port of the fourth independent circuit module; and

the second independent circuit module comprises two receiver circuits, wherein

each receiver circuit has a receive port coupled with one of the two second ports of the fifth independent circuit module.

8. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises four independent circuit modules;

the four independent circuit modules comprise four first independent circuit modules;

each first independent circuit module comprises one first port and one second port;

the first port of each first independent circuit module is coupled with one of the four first T ports; and

the second port of each first independent circuit module is coupled with one of the four second T ports.

9. The multiway switch of claim 8 , wherein each first independent circuit module comprises one transceiver integrated circuit and one receiver circuit, wherein:

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit;

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the sixth independent circuit module; and

the receiver circuit has a receive port coupled with the second port of the sixth independent circuit module.

10. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises four independent circuit modules;

the four independent circuit modules comprise two first independent circuit modules and two second independent circuit modules;

each first independent circuit module comprises one first port and two second ports;

each second independent circuit module comprises one first port;

the first port of each first independent circuit module is coupled with one of the four first T ports and the first port of each second independent circuit module is coupled with another one of the four first T ports; and

each second port of each first independent circuit module is coupled with one of the four second T ports.

11. The multiway switch of claim 10 , wherein:

each first independent circuit module comprises one transceiver integrated circuit and two receiver circuits, wherein

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit;

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the seventh independent circuit module; and

each receiver circuit has a receive port coupled with one of the two second ports of the seventh independent circuit module; and

each second independent circuit module comprises one transceiver integrated circuit, wherein

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit; and

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the eighth independent circuit module.

12. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises five independent circuit modules;

the five independent circuit modules comprise one first independent circuit module and four second independent circuit modules;

the first independent circuit module comprises four second ports;

each second independent circuit module comprises one first port;

the first port of each second independent circuit module is coupled with one of the four first T ports; and

each second port of the first independent circuit module is coupled with one of the four second T ports.

13. The multiway switch of claim 12 , wherein:

the first independent circuit module comprises four receiver circuits, wherein

each receiver circuit has a receive port coupled with one of the four second ports of the third independent circuit module; and

each second independent circuit module comprises one transceiver integrated circuit, wherein

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit; and

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the eighth independent circuit module.

14. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises six independent circuit modules;

the six independent circuit modules comprise two first independent circuit modules and four second independent circuit modules;

each first independent circuit module comprises two second ports;

each second independent circuit module comprises one first port;

the first port of each second independent circuit module is coupled with one of the four first T ports; and

each second port of each first independent circuit module is coupled with one of the four second T ports.

15. The multiway switch of claim 14 , wherein:

each first independent circuit module comprises two receiver circuits, wherein

each receiver circuit has a receive port coupled with one of the two second ports of the fifth independent circuit module; and

each second independent circuit module comprises one transceiver integrated circuit, wherein

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit; and

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the eighth independent circuit module.

16. The multiway switch of claim 1 , wherein:

the radio frequency circuit physically comprises eight independent circuit modules;

the eight independent circuit modules comprise four first independent circuit modules and four second independent circuit modules;

each first independent circuit module comprises one first port;

each second independent circuit module comprises one second port;

the first port of each first independent circuit module is coupled with one of the four first T ports; and

the second port of each second independent circuit module is coupled with one of the four second T ports.

17. The multiway switch of claim 16 , wherein:

each first independent circuit module comprises one transceiver integrated circuit, wherein

the transceiver integrated circuit comprises one transmitter circuit and one receiver circuit; and

the transceiver integrated circuit has a transmit-receive port coupled with the first port of the eighth independent circuit module; and

each second independent circuit module comprises one receiver circuit, wherein

the receiver circuit has a receive port coupled with the second port of the ninth independent circuit module.

18. A radio frequency system, comprising:

an antenna system, a radio frequency circuit, and a multiway switch coupled with the radio frequency circuit and the antenna system;

the multiway switch comprising eight T ports and four P ports, and the antenna system comprising four antennas corresponding to the four P ports;

the eight T ports comprising four first T ports and four second T ports;

each of the four first T ports being coupled with all of the four P ports, and the four first T ports supporting a transmission-reception function;

two of the four second T ports at different frequency bands being coupled with one of the four P ports, the other two of the four second T ports at different frequency bands being coupled with another one of the four P ports, and the four second T ports supporting only a reception function;

each of the four P ports being configured to be coupled with a corresponding antenna of the four antennas; and

the multiway switch being configured to support a preset function of transmitting a sounding reference signal (SRS) through the four antennas in turn.

19. A wireless communication device, comprising:

an antenna system, a radio frequency transceiver, a radio frequency circuit coupled with the radio frequency transceiver, and a multiway switch coupled with the radio frequency circuit and the antenna system;

the multiway switch comprising eight T ports and four P ports, and the antenna system comprising four antennas corresponding to the four P ports;

the eight T ports comprising four first T ports and four second T ports;

each of the four first T ports being coupled with all of the four P ports, and the four first T ports supporting a transmission-reception function;

two of the four second T ports at different frequency bands being coupled with one of the four P ports, the other two of the four second T ports at different frequency bands being coupled with another one of the four P ports, and the four second T ports supporting only a reception function;

each of the four P ports being configured to be coupled with a corresponding antenna of the four antennas; and

the multiway switch being configured to support a preset function of transmitting a sounding reference signal (SRS) through the four antennas in turn.