WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD

WIPO Patent Application WO/2015/125857

A1

This communication device, which relays a received data signal, has: a reception quality measurement unit that calculates propagation characteristics; and a quantization compression encoding unit that, on the basis of a threshold, performs quantization compression of a logarithmic likelihood ratio obtained from a reception signal. The quantization compression encoding unit has a plurality of thresholds used in quantization, and switches between same.

GOTO JUNGO
NAKAMURA OSAMU
HAMAGUCHI YASUHIRO
IBI SHINSUKE (JP)
SAMPEI SEIICHI (JP)
MIYAMOTO SHINICHI (JP)
SAKAGUCHI KEI (JP)

PCT/JP2015/054596

August 27, 2015

February 19, 2015

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SHARP KK (JP)
UNIV OSAKA (JP)

H03M13/45; H03M7/30; H04L1/00

JPH0629951A	1994-02-04
JP2013223177A	2013-10-28
JP2013135457A	2013-07-08

YUICHIRO NOGAWA ET AL.: "An Iterative Unified Decoding for Decode-Quantize-Forward Relaying", VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING), 2013 IEEE 77TH, XP032547769
KATSUYA KATO ET AL.: "Study on Multipath Division SC/MMSE Turbo Equalization for Amplify-and-Forward Relaying", IEICE TECHNICAL REPORT, vol. 109, no. 38, 14 May 2009 (2009-05-14), pages 37 - 42
SEIICHI SANPEI ET AL.: "A Study on Optimizations of Quantization Threshold for Decode-Quantize-Forward Relaying", IEICE TECHNICAL REPORT, vol. 113, no. 456, 24 February 2014 (2014-02-24), pages 181 - 186

FUNAYAMA Takeshi et al. (JP)
Takeshi Funayama (JP)

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