Pulse or digital communications – Spread spectrum – Direct sequence
Reexamination Certificate
2008-04-01
2008-04-01
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Spread spectrum
Direct sequence
C333S150000, C333S151000, C333S152000, C333S153000, C333S154000, C333S155000, C333S193000, C333S194000, C333S195000, C333S196000, C342S150000, C342S151000, C342S152000, C342S153000, C342S154000, C342S155000, C342S193000, C342S194000, C342S195000, C342S196000, C370S319000, C370S320000, C370S321000, C370S330000, C370S335000, C370S342000, C370S345000, C370S347000
Reexamination Certificate
active
07352800
ABSTRACT:
A method of Partial Parallel Interference Cancellation (PPIC) is provided for recursively eliminating the Multiple Access Interference from a received signal. Such method is to use a recursion way to eliminate all the Multiple Access Interference (MAI) one by one from the received signal. Moreover, the present invention is to take the output of the pre-stage as the input of the present stage with the recursion method so that we can use only one operating circuit to obtain the function the MAI eliminating.
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Neiyer Correal, “A DSP Based DS-CDMA Multiuser Receiver Employing Partial Parallel Interference Cancellation” IEEE Journal on Selected Areas in Communications, vol. 17, No. 4, Apr. 1999.
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Chen Chun-Cheng
Chen Yih-Min
Kuo Fu-Yen
Wang Hsu-Ching
BenQ Corporation
King Justin I.
Liu Shuwang
Patel Dhaval V
WPAT, P.C.
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