Systems and Methods for Transmitter/Receiver Diversity

1 . A method, comprising:

providing a communication signal for transmission by one of a first antenna and a second antenna;

monitoring first and second incoming signals received by the first and second antennas, respectively;

determining which of the first and second incoming signals is of better quality; and

if the incoming signal of a non-transmitting one of the first and second antennas is of better quality, switching transmission of the communication signal to the non-transmitting one of the first and second antennas.

2 . The method of claim 1 , wherein providing a communication signal includes providing a modulated communication signal.

3 . The method of claim 1 , wherein providing a communication signal for transmission by one of a first antenna and a second antenna includes providing a communication signal through a switch positioned in a first configuration for transmission of the communication signal by one of the first and second antennas.

4 . The method of claim 3 , wherein switching transmission of the communication signal to the non-transmitting one of the first and second antennas includes reconfiguring the switch to a second configuration for transmission of the communication signal to the non-transmitting one of the first and second antennas.

5 . The method of claim 1 , wherein providing a communication signal for transmission by one of a first antenna and a second antenna includes providing a communication signal through a Double Pole Double Throw (DPDT) switch positioned in a first configuration for transmission of the communication signal by one of the first and second antennas.

6 . The method of claim 1 , wherein switching transmission of the communication signal to the non-transmitting one of the first and second antennas includes reconfiguring a Double Pole Double Throw (DPDT) switch for transmission of the communication signal to the non-transmitting one of the first and second antennas.

7 . The method of claim 1 , wherein:

providing a communication signal includes providing a communication signal on a first lead of a switch and routing the communication signal to the transmitting one of the first and second antennas via a second lead of the switch; and wherein

monitoring first and second incoming signals includes receiving the first incoming signal received by the transmitting one of the first and second antennas into the switch through the second lead and routing the first incoming signal through the first lead to a receiver.

8 . The method of claim 7 , wherein the receiver is a first receiver and wherein monitoring first and second incoming signals further includes receiving the second incoming signal received by the non-transmitting one of the first and second antennas into the switch through the third lead and routing the second incoming signal through a fourth lead to a second receiver.

9 . The method of claim 8 , wherein:

monitoring first and second incoming signals includes monitoring first and second incoming signals using a controller; and

switching transmission of the communication signal to the non-transmitting one of the first and second antennas includes switching transmission of the communication signal based on a control signal from the controller.

10 . The method of claim 9 , further comprising demodulating the first and second incoming signals prior to determining which of the first and second incoming signals is of better quality.

11 . A circuit, comprising:

a first portion configured to provide a communication signal for transmission by one of a first antenna and a second antenna;

a second portion configured to monitor first and second incoming signals received by the first and second antennas, respectively;

a third portion configured to determine which of the first and second incoming signals is of better quality; and

a fourth portion configured to switch transmission of the communication signal to the non-transmitting one of the first and second antennas if the incoming signal of a non-transmitting one of the first and second antennas is of better quality.

12 . The circuit of claim 11 , wherein:

the first portion is further configured to provide a communication signal through a switch positioned in a first configuration for transmission of the communication signal by one of the first and second antennas; and wherein

the fourth portion is further configured to reconfigure the switch a second configuration for transmission of the communication signal to the non-transmitting one of the first and second antennas.

13 . The circuit of claim 11 , wherein:

the first portion is further configured to provide a communication signal on a first lead of a switch, and to route the communication signal to the transmitting one of the first and second antennas via a second lead of the switch; and wherein

the second portion is further configured to receive the first incoming signal received by the transmitting one of the first and second antennas into the switch through the second lead, and to route the first incoming signal through the first lead to a first receiver.

14 . The circuit of claim 13 , wherein the second portion is further configured to receive the second incoming signal received by the non-transmitting one of the first and second antennas into the switch through the third lead, and to route the second incoming signal through a fourth lead to a second receiver.

15 . The circuit of claim 11 , wherein:

the second portion is configured to monitor the first and second incoming signals using a controller; and

the fourth portion is configured to switch transmission of the communication signal to the non-transmitting one of the first and second antennas based on a control signal from the controller.

16 . An electronic device, comprising:

a processor; and

a communication component operatively coupled to the processor and including a first antenna and a second antenna, at least one of the processor and the communication component being configured to:

provide a communication signal for transmission by one of the first and second antennas;

monitor first and second incoming signals received by the first and second antennas, respectively;

determine which of the first and second incoming signals is of better quality; and

switch transmission of the communication signal to the non-transmitting one of the first and second antennas if the incoming signal of a non-transmitting one of the first and second antennas is of better quality.

17 . The electronic device of claim 16 , wherein at least one of the processor and the communication component is further configured to: provide a communication signal through a switch positioned in a first configuration for transmission of the communication signal by one of the first and second antennas; and reconfigure the switch a second configuration for transmission of the communication signal to the non-transmitting one of the first and second antennas.

18 . The electronic device of claim 16 , wherein at least one of the processor and the communication component is further configured to:

provide a communication signal on a first lead of a switch, and to route the communication signal to the transmitting one of the first and second antennas via a second lead of the switch; and

receive the first incoming signal received by the transmitting one of the first and second antennas into the switch through the second lead, and to route the first incoming signal through the first lead to a receiver.

19 . The electronic device of claim 18 , wherein the receiver is a first receiver and wherein at least one of the processor and the communication component is further configured to receive the second incoming signal received by the non-transmitting one of the first and second antennas into the switch through the third lead, and to route the second incoming signal through a fourth lead to a second receiver.

20 . The electronic device of claim 16 , wherein at least one of the processor and the communication component is further configured to: monitor the first and second incoming signals using a controller; and switch transmission of the communication signal to the non-transmitting one of the first and second antennas based on a control signal from the controller.