Wireless communication system and receiving device

Details Wireless communication system and receiving device Wireless communication system and receiving device

2007-09-18

2007-09-18

Pak, Sung (Department: 2874)

Optical waveguides

Miscellaneous

C375S316000

Reexamination Certificate

active

11415113

ABSTRACT:
The present invention is to provide a wireless communication system and a receiving device each capable of restraining a circuit scale and obtaining an excellent error rate performance. In a wireless communication system in which a transmitting device and a receiving device communicate in an orthogonal frequency division multiplexing system, the transmitting device includes a partition unit partitioning a transmission data sequence into a plurality of data streams and a mapping unit mapping the plurality of data streams to each of transmitting antennas by using, for a precoding matrix, columns, corresponding to a stream count of the plurality of data streams, of a right singular matrix acquired by singular value decomposition of a channel matrix, and the receiving device includes a decoding unit that Viterbi-decodes the received signals by weighting a path metric by using a weighting coefficient corresponding to a signal-to-noise ratio obtained from the present channel matrix.

REFERENCES:
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patent: 2004/0121827 (2004-06-01), Murakami et al.
patent: 2005/0180517 (2005-08-01), Abe
patent: 2005/0181737 (2005-08-01), Kobayashi et al.
patent: 2006/0222092 (2006-10-01), Guo et al.
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patent: 2004-534456 (2004-11-01), None
patent: 01/76110 (2001-10-01), None

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