Shared receive path for simultaneous received signals

Details Shared receive path for simultaneous received signals Shared receive path for simultaneous received signals

2007-08-21

2007-08-21

Nguyen, Lee (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S553100

Reexamination Certificate

active

10349270

ABSTRACT:
A method and apparatus are disclosed for a wireless communication device to simultaneously receive at least two signals. Two receiver portions are provided in the wireless communication device. A first receiver portion is configured to receive a first communication signal. A second receiver portion is configured to receive a second communication signal. The two receiver portions are configured to convert the first and second communication signals to a common frequency band. The common frequency band may be an intermediate frequency band or baseband frequency band. The converted first and second communication signals are combined in the common frequency band using an adder or other signal combiner. The combined signal is processed in a single signal processor. The communication device is able to resolve each of the received signals when the first communication signal is a narrowband signal and the second communication signal is a wideband signal, such as a spread spectrum signal.

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patent: 10035116 (2002-01-01), None
patent: 0041325 (2000-07-01), None
patent: WO 00/41325 (2000-07-01), None

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