System and process for shared functional block communication transceivers with GPS capability
First Claim
1. 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:
- a transmitting unit having a modulator for modulating a transmit second local oscillator (LO) frequency with a transmit baseband information signal to generate a transmit second information signal, an upconverter for upconverting the transmit second information signal with a transmit first LO frequency to generate at least one transmit first information signal, and at least one transmit first information signal output for communicating the at least one transmit first information signal;
a receiving unit having at least one receive first information signal input for communicating at least one receive first information signal and a Global Positioning System (GPS) first information signal input for communicating a GPS first information signal, the receiving unit having at least one receive downconverter for downconverting the at least one receive first information signal with a receive first LO frequency to generate a receive second information signal, a GPS downconverter for downconverting the GPS first information signal with the receive first LO frequency to generate a GPS second information signal, and a demodulator for demodulating the receive second information signal and the GPS second information signal with a receive second LO frequency to generate GPS and receive baseband signals; and
an antenna coupled to the at least one transmit first information signal output, the at least one receive first information signal input, and the GPS first information signal input for transmitting and receiving first information signals.
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Accused Products
Abstract
A communication system capable of communicating RF signals at any one of a plurality of communication standards through a common antenna is disclosed. The communication system includes a transmitting unit having at least one transmit RF information signal output, and a receiving unit having at least one receive RF information signal input and a GPS RF information signal input. The transmitting unit includes a modulator for modulating a transmit IF with a transmit baseband information signal to generate a transmit IF information signal and an upconverter for upconverting the transmit IF information signal with a transmit RF to generate at least one transmit RF information signal. The receiving unit includes a receive downconverter for downconverting the at least one receive RF information signal with a receive RF to generate a receive IF information signal, a GPS downconverter for downconverting the GPS RF information signal with the receive RF to generate a GPS IF information signal, and a demodulator for demodulating the receive IF information signal and the GPS IF information signal with a receive IF to generate GPS and receive baseband signals. An antenna is coupled to the at least one transmit RF information signal output, the at least one receive RF information signal input, and the GPS RF information signal input for transmitting and receiving RF information signals.
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Citations
34 Claims
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1. 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:
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a transmitting unit having a modulator for modulating a transmit second local oscillator (LO) frequency with a transmit baseband information signal to generate a transmit second information signal, an upconverter for upconverting the transmit second information signal with a transmit first LO frequency to generate at least one transmit first information signal, and at least one transmit first information signal output for communicating the at least one transmit first information signal;
a receiving unit having at least one receive first information signal input for communicating at least one receive first information signal and a Global Positioning System (GPS) first information signal input for communicating a GPS first information signal, the receiving unit having at least one receive downconverter for downconverting the at least one receive first information signal with a receive first LO frequency to generate a receive second information signal, a GPS downconverter for downconverting the GPS first information signal with the receive first LO frequency to generate a GPS second information signal, and a demodulator for demodulating the receive second information signal and the GPS second information signal with a receive second LO frequency to generate GPS and receive baseband signals; and
an antenna coupled to the at least one transmit first information signal output, the at least one receive first information signal input, and the GPS first information signal input for transmitting and receiving first information signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A process for communicating first information signals at any one of a plurality of communication standards through a common antenna, the process comprising:
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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. - View Dependent Claims (17, 18, 19)
filtering the receive baseband signals to remove out of band frequencies and quantizing the receive baseband signals; and
filtering the GPS baseband signals to remove out of band frequencies and quantizing the GPS baseband signals.
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18. A process as recited in claim 17, wherein preceding the step of filtering the GPS baseband signals to remove out of band frequencies, the process further includes the step of Coleman filtering the GPS baseband signals for despreading the GPS baseband signals and providing E911 support.
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19. A process as recited in claim 17, wherein following the step of quantizing the GPS baseband signals, the process further includes the step of performing GPS processing and acquisition on the quantized GPS baseband signals.
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20. 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:
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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. - View Dependent Claims (21, 22, 23)
means for filtering the receive baseband signals to remove out of band frequencies and quantizing the receive baseband signals; and
means for filtering the GPS baseband signals to remove out of band frequencies and quantizing the GPS baseband signals.
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22. A system as recited in claim 21, further including means for Coleman filtering the GPS baseband signals for despreading the GPS baseband signals and providing E911 support, the means for Coleman filtering the GPS baseband signals coupled between the means for demodulating the GPS second information signal with the receive second LO frequency and the means for filtering the GPS baseband signals.
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23. A system as recited in claim 21, further including means for performing GPS processing and acquisition on the quantized GPS baseband signals, the means for performing GPS processing and acquisition coupled to the means for quantizing the GPS baseband signals.
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24. A communication system receiving unit for receiving a first information signal via a common antenna comprising:
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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.
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25. A process for receiving a first information signal via a common antenna comprising:
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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. - View Dependent Claims (26)
filtering the receive baseband signals to remove out of band frequencies;
quantizing the and receive baseband signals; and
filtering the GPS baseband signals to remove out of band frequencies and quantizing the GPS baseband signals.
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27. 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:
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means for receiving a first information signal from the 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; and
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. - View Dependent Claims (28)
means for filtering the receive baseband signals to remove out of band frequencies and quantizing the receive baseband signals; and
means for filtering the GPS baseband signals to remove out of band frequencies and quantizing the GPS baseband signals.
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29. A communication system for transmitting and receiving a first information signal via a common antenna comprising:
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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. - View Dependent Claims (30, 31)
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32. A communication system comprising:
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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. - View Dependent Claims (33, 34)
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Specification