Wireless communication device
A wireless communication device includes an antenna module, a transceiving module, and a switch module. The antenna module includes a first antenna and a second antenna. The transceiving module includes a first transceiver and a second transceiver. The switch module switches different connections between the antenna module and the transceiving module, and includes a first single-pole-double-throw (SPDT) switch, a second SPDT switch, a third SPDT switch, a first duplexer, a second duplexer, and a double-pole-double-throw (DPDT) switch.
1. A wireless communication device, comprising:
an antenna module comprising a first antenna and a second antenna;
a transceiving module comprising a first transceiver and a second transceiver; and
a switch module configured for switching different connections between the first antenna, the second antenna and the first transceiver, the second transceiver, the switch module comprising:
a first single-pole-double-throw (SPDT) switch comprising a first terminal, a second terminal, and a common terminal, the first terminal and the second terminal of the first SPDT switch being connected to the first transceiver;
a second SPDT switch comprising a first terminal, a second terminal, and a common terminal, the first terminal and the second terminal of the second SPDT switch being connected to the first transceiver;
a third SPDT switch comprising a first terminal, a second terminal, and a common terminal, the first terminal and the second terminal of the third SPDT switch being connected to the second transceiver;
a first duplexer comprising a first terminal, a second terminal, and a common terminal, the first terminal of the first duplexer being connected to the common terminal of the first SPDT switch, the second terminal of the first duplexer being connected to the second transceiver;
a second duplexer comprising a first terminal, a second terminal, and a common terminal, the first terminal of the second duplexer being connected to the common terminal of the second SPDT switch, the second terminal of the second duplexer being connected to the common terminal of the third SPDT switch; and
a double-pole-double-throw (DPDT) switch comprising a first terminal connected to the first antenna, a second terminal connected to the second antenna, a third terminal connected to the common terminal of the first duplexer, and a fourth terminal connected to the common terminal of the second duplexer.
2. The wireless communication device as claimed in claim 1 , wherein the first transceiver comprises a first output connected to the first terminal of the first SPDT switch and a first input connected to the second terminal of the first SPDT switch.
3. The wireless communication device as claimed in claim 2 , wherein the first SPDT switch further comprises a first control terminal and a second control terminal.
4. The wireless communication device as claimed in claim 3 , wherein the first transceiver further comprises a first control terminal and a second control terminal respectively connected to the first control terminal and the second control terminal of the first SPDT switch, outputting a first control signal from the first transceiver to the first SPDT switch to connect the common terminal of the first SPDT switch selectively to the first terminal or the second terminal of the first SPDT switch.
5. The wireless communication device as claimed in claim 3 , wherein the first transceiver further comprises a second output connected to the first terminal of the second SPDT switch and a second input connected to the second terminal of the second SPDT switch.
6. The wireless communication device as claimed in claim 5 , wherein the second SPDT switch further comprises a first control terminal and a second control terminal.
7. The wireless communication device as claimed in claim 6 , wherein the first transceiver further comprises a third control terminal and a fourth control terminal respectively connected to the first control terminal and the second control terminal of the second SPDT switch, outputting a second control signal from the first transceiver to the second SPDT switch to connect the common terminal of the second SPDT switch selectively to the first terminal or the second terminal of the second SPDT switch.
8. The wireless communication device as claimed in claim 1 , wherein the second transceiver comprises a first input connected to the second terminal of the first duplexer, a second input connected to the second terminal of the third SPDT switch, and an output connected to the first terminal of the third SPDT switch.
9. The wireless communication device as claimed in claim 8 , wherein the third SPDT switch further comprises a first control terminal and a second control terminal.
10. The wireless communication device as claimed in claim 9 , wherein the second transceiver further comprises a first control terminal and a second control terminal respectively connected to the first control terminal and the second control terminal of the third SPDT switch, outputting a third control signal from the second transceiver to the third SPDT switch to connect the common terminal of the third SPDT switch selectively to the first terminal or the second terminal of the third SPDT switch.
11. The wireless communication device as claimed in claim 10 , wherein the DPDT switch further comprises a first control terminal and a second control terminal.
12. The wireless communication device as claimed in claim 11 , wherein the second transceiver further comprises a third control terminal and a fourth control terminal respectively connected to the first control terminal and the second control terminal of the DPDT switch, outputting a fourth control signal from the second transceiver to the DPDT switch to connect the first terminal and the third terminal, and connect the second terminal and the fourth terminal of the DPDT switch, or connect the first terminal and the fourth terminal, and connect the second terminal and the third terminal of the DPDT switch.
13. A wireless communication device, comprising:
an antenna module comprising a plurality of antennas;
a transceiving module comprising a plurality of transceivers; and
a switch module configured for switching connections between one or more of the plurality of antennas and one or more of the plurality of transceivers, the switch module comprising:
a plurality of single-pole-double-throw (SPDT) switches each comprising a first terminal and a second terminal respectively connected to one of the transceivers;
a plurality of duplexers each comprising a common terminal, a first terminal, and a second terminal, one of the first terminal and the second terminal of each duplexer being connected to a common terminal of one of the plurality of SPDT switches; and
a double-pole-double-throw (DPDT) switch comprising a first terminal connected to one of the plurality of the antennas, a second terminal connected to another of the plurality of antennas, a third terminal connected to a common terminal of one of the plurality of the duplexers, and a fourth terminal connected to a common terminal of another of the plurality of duplexers.
14. The wireless communication device as claimed in claim 13 , wherein the DPDT switch is controlled by a control signal generated by one of the plurality of the transceivers that connects to the DPDT switch.
15. The wireless communication device as claimed in claim 13 , wherein the SPDT switches are controlled by corresponding transceivers connected thereto to selectively switch the connections between the common terminal and the first terminal or the second terminal thereof.