Cross QAM modulation-based symbol mapping method and...

Details Cross QAM modulation-based symbol mapping method and... Cross QAM modulation-based symbol mapping method and...

2011-04-26

2011-04-26

Vo, Don N (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S298000

Reexamination Certificate

active

07933352

ABSTRACT:
A method for determining a bit pattern of a symbol in a wireless communication system using a cross modulation scheme. The method includes generating symbols with the cross modulation scheme, classifying positions of coding symbols by reliabilities of at least 3 classes according to an average bit error rate BER(ave) of symbols generated with the cross modulation scheme and a bit error rate BER based on transmission positions of the coding symbols in a modulation symbol during transmission of a packet with the cross modulation scheme, and determining a bit pattern such that higher-priority symbols are inserted into higher-reliability positions.

REFERENCES:
patent: 6118479 (2000-09-01), Maeda et al.
patent: 2002/0122465 (2002-09-01), Agee et al.
patent: 2008/0037412 (2008-02-01), Geile et al.
patent: 2009/0092040 (2009-04-01), Dapper et al.

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