Joint signal demodulation in a low and high data rate...

Details Joint signal demodulation in a low and high data rate... Joint signal demodulation in a low and high data rate...

2005-06-10

2009-10-27

Burd, Kevin M (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S140000

Reexamination Certificate

active

07609790

ABSTRACT:
A receiver is capable of demodulating both high data rate and low data rate transmissions. An antenna receives the high and low data rate transmissions, as a received signal. An interference canceling device cancels a contribution of at least one shared/common channel from the received signal, producing a first interference canceled signal. A first data detector for detecting data of one of the high or low data rate transmissions by processing the first interference canceled signal. An interference canceling device for canceling the detected data of the one transmissions from the first interference canceled signal, producing a second interference canceled signal. A second data detector for detecting data of an other of the high or low data rate transmissions from the second interference canceled signal.

REFERENCES:
patent: 6188718 (2001-02-01), Gitlin et al.
patent: 6879831 (2005-04-01), Hamabe
patent: 6904076 (2005-06-01), Tsutsui et al.
patent: 2004/0028121 (2004-02-01), Fitton
patent: 11-275061 (1999-10-01), None
patent: 2004-040187 (2004-02-01), None

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