System and process for shared functional block communication transceivers with GPS capability

A process for communicating first information signals at any one of a plurality of communication standards through a common antenna, the process comprising:

• modulating a transmit second LO frequency with a transmit baseband information signal to generate a transmit second information signal, upconverting the transmit second information signal with a transmit first LO frequency to generate at least one transmit first information signal, and transmitting the at least one transmit first information signal through the antenna;
• receiving at least one receive first information signal from the antenna, downconverting the at least one receive first information signal with a receive first LO frequency to generate a receive second information signal, and demodulating the receive second information signal with a receive second LO frequency to generate a receive baseband information signal;
• and
• receiving a GPS first information signal from the antenna, downconverting the GPS first information signal with the receive first LO frequency to generate a GPS second information signal, and demodulating the GPS second information signal with the receive second LO frequency to generate a GPS baseband information signal.

A communication system for communicating first information signals at any one of a plurality of communication standards through a common antenna, the communication system comprising:

• means for modulating a transmit second LO frequency with a transmit baseband information signal to generate a transmit second information signal, upconverting the transmit second information signal with a transmit first LO frequency to generate at least one transmit first information signal, and transmitting the at least one transmit first information signal through the antenna;
• means for receiving at least one receive first information signal from the antenna, downconverting the at least one receive first information signal with a receive first LO frequency to generate a receive second information signal, and demodulating the receive second information signal with a receive second LO frequency to generate a receive baseband information signal;
• and
• means for receiving a GPS first information signal from the antenna, downconverting the GPS first information signal with the receive first LO frequency to generate a GPS second information signal, and demodulating the GPS second information signal with the receive second LO frequency to generate a GPS baseband information signal.

A communication system receiving unit for receiving a first information signal via a common antenna comprising:

• a first information signal input for receiving the first information signal, and a global positioning system (GPS) information signal input for receiving a GPS first information signal,
• a downconverter for downconverting the first information signal in accordance with a receive first local oscillator frequency to generate a second information signal,
• a GPS downconverter for downconverting the GPS information signal in accordance with the receive first local oscillator frequency to generate a second GPS information signal, and
• a demodulator for demodulating the second information signal and the second GPS information signal with a receive second local oscillator frequency to generate GPS and receive baseband signals.

A process for receiving a first information signal via a common antenna comprising:

• receiving a first information signal from the common antenna;
• downconverting the received first information signal with a receive first local oscillator frequency to generate a receive second information signal;
• demodulating the receive second information signal with a receive second local oscillator frequency to generate a receive baseband information signal;
• receiving a GPS first information signal from the antenna;
• downconverting the GPS first information signal with the receive first local oscillator frequency to generate a GPS second information signal, and
• demodulating the GPS second information signal with the receive second local oscillator frequency to generate a GPS baseband information signal.

A communication system for transmitting and receiving a first information signal via a common antenna comprising:

• a first information signal input for receiving a first information signal, and a global positioning system (GPS) information signal input for receiving a GPS first information signal,
• a downconverter for downconverting said first information signal in accordance with a receive first local oscillator frequency to generate a second information signal,
• a GPS downconverter for downconverting the GPS information signal in accordance with the receive first local oscillator frequency to generate a second GPS information signal, a demodulator for demodulating the second information signal and the second GPS information signal with a receive second local oscillator frequency to generate GPS and receive baseband signals,
• a modulator for modulating said first local oscillator frequency with a baseband information signal to generate a third information signal, and
• an upconverter for upconverting the third information signal with a second local oscillator frequency to generate a fourth information signal.

A communication system comprising:

• means for receiving a first information signal from a common antenna, downconverting the receive first information signal with a receive first local oscillator frequency to generate a second information signal, and demodulating the second information signal with a receive second local oscillator frequency to generate a receive baseband information signal;
• means for receiving a first GPS information signal from the antenna, downconverting the first GPS information signal with the receive first local oscillator frequency to generate a second GPS information signal, and demodulating the second GPS information signal with the receive second local oscillator frequency to generate a GPS baseband information signal;
• means for modulating said first local oscillator frequency with a baseband information signal to generate a third information signal,
• means for upconverting the third information signal with a second local oscillator frequency to generate a fourth information signal, and
• means for outputting said fourth information signal.