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1. (WO2018123058) WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD

Pub. No.:    WO/2018/123058    International Application No.:    PCT/JP2016/089198
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Thu Dec 29 00:59:59 CET 2016
IPC: H04L 27/00
H04L 1/16
Applicants: FUJITSU LIMITED
富士通株式会社
Inventors: YANO, Tetsuya
矢野 哲也
TANAKA, Yoshinori
田中 良紀
WU, Jianming
ウー ジヤンミン
Title: WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD
Abstract:
Provided is a wireless communication device that includes a reception unit, a selection unit, a modulation unit, and a transmission unit. The selection unit selects an ACK as a response signal when it is determined that demodulation of reception data has succeeded, and selects any one of a plurality of NACKs as a response signal when it is determined that the demodulation of the reception data has failed. When an ACK is selected by the selection unit, the modulation unit modulates the response signal so that the symbol of the ACK is arranged in one region across one of I axis and Q axis on an IQ plane. When any one of the plurality of NACKs is selected by the selection unit, the modulation unit modulates the response signal so that the symbol of the NACK selected by the selection unit is arranged along a straight line (40) parallel to the one axis in the other region across the one axis on the IQ plane. The transmission unit transmits the response signal modulated by the modulation unit to another device.