Method and apparatus for generating training sequence codes...

Details Method and apparatus for generating training sequence codes... Method and apparatus for generating training sequence codes...

2008-03-24

2011-11-08

Payne, David C. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C370S329000

Reexamination Certificate

active

08054919

ABSTRACT:
A method and apparatus for generating training sequence codes in a communication system. In the method, a pair of sequences A and B having cross-correlation properties as well as autocorrelation properties are generated, and protection sequences A′ and B′ are generated by copying last L symbols of the sequences A and B, respectively. The training sequence codes are generated by locating the protection sequences A′ and B′ in the most significant positions (MSPs) of the sequences A and B. The training sequence codes can be extended and applied to 16-QAM and 32-QAM used in a GERAN system, and the use of such training sequence codes enables data to be efficiently transmitted/received without performance deterioration in a GERAN system.

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