Inter-symbol interference cancellation for wireless multiple...

Details Inter-symbol interference cancellation for wireless multiple... Inter-symbol interference cancellation for wireless multiple...

2006-06-29

2010-06-08

Lugo, David B (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S144000, C375S233000, C375S346000

Reexamination Certificate

active

07733941

ABSTRACT:
An interference-canceling receiver is configured for cancelling inter-symbol interference due to both inter- and intra-channel interference in coded, multiple-access, spread spectrum transmissions that propagate through frequency-selective communication channels. The receiver mitigates the effects of post-cursor inter-symbol interference using feedback of previously estimated symbols, and mitigates pre-cursor inter-symbol interference using an interference canceller, such as an iterative interference canceller.

REFERENCES:
patent: 5761237 (1998-06-01), Petersen et al.
patent: 6535554 (2003-03-01), Webster et al.
patent: 6912250 (2005-06-01), Adireddy et al.
patent: 7397843 (2008-07-01), Grant et al.
patent: 2004/0001537 (2004-01-01), Zhang et al.
patent: 2005/0111408 (2005-05-01), Skillermark et al.

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