Decoding MIMO space time code symbol-pairs

Details Decoding MIMO space time code symbol-pairs Decoding MIMO space time code symbol-pairs

2006-11-22

2010-10-12

Payne, David C (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S267000, C375S299000, C375S347000, C455S101000, C455S132000, C455S296000, C455S500000, C370S334000

Reexamination Certificate

active

07813455

ABSTRACT:
A MIMO wireless communication system and method reduces the number of recursive operations when decoding received data symbols by decoding the data symbols in pairs rather than on a per symbol basis. Decoding in pairs is facilitated by the determination that errors between selected pairs of data symbols are uncorrelated and identically distributed with a determined variance. Additionally, the system and method can order the pairs and provide decoding rules that result in an insignificant loss of performance for a wide range of signal-to-noise ratios (SNRs). Furthermore, the system and method exploit the structure of the error covariance matrix to reduce computational demands.

REFERENCES:
patent: 7505527 (2009-03-01), Hwang et al.
patent: 2004/0228423 (2004-11-01), Gueguen
patent: 2007/0297528 (2007-12-01), Feder et al.
patent: 1453262 (2004-01-01), None
B. Hassibi, “An Efficient Square-Root Algorithm for BLAST,” Proceedings of the 2000 IEEE International Conference on Acoustics, Speech and Signal Processing,, Jan. 27, 2000.

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