Multi symbol bit detection for SDPSK signals

Details Multi symbol bit detection for SDPSK signals Multi symbol bit detection for SDPSK signals

2006-06-29

2009-02-03

Ton, David (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Data pulse evaluation/bit decision

C375S330000

Reexamination Certificate

active

07487411

ABSTRACT:
This invention discloses a method of accurately detecting the current bit in a SDPSK modulated signal at the receiver. The proposed method calculates the current bit from the past-detected bits and the past symbols. Each past symbol estimates the current bit. Each of these estimates is summed up to provide the final estimate of the bit. The proposed method for the reception of SDPSK modulated data improves the bit error rate performance. The proposed method can be applied in any communication system that uses SDPSK modulation.

REFERENCES:
patent: 6393599 (2002-05-01), Chan
patent: 6983029 (2006-01-01), Alavi et al.
patent: 7065158 (2006-06-01), Awater et al.
patent: 7191385 (2007-03-01), Olaker
patent: 7305213 (2007-12-01), Kasami et al.
patent: 1 067 742 (2001-01-01), None
patent: 1 128 624 (2001-08-01), None

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