METHOD FOR PERFORMING HARQ BY USING POLAR CODE HAVING RANDOM LENGTH

WIPO Patent Application WO/2017/111362

A1

The present specification provides a method for performing a physical layer security-based hybrid automatic repeat request (HARQ). The method comprises the steps of: generating a first code comprising information bits for forming data to be transmitted, and non-information bits which are unrelated to the data to be transmitted; generating a second code, having a length which differs from that of the first code, by puncturing the first code; determining locations of the information bits and non-information bits within the second code such that a variance of mutual information for each of the information bits and the non-information bits is maximized; and performing the HARQ by using the second code in which the locations of the information bits and the non-information bits are determined.

AHN JOONKUI (KR)
KIM BYOUNGHOON (KR)
KIM IL-MIN (KR)

PCT/KR2016/014411

June 29, 2017

December 09, 2016

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LG ELECTRONICS INC (KR)

H04L1/18; H03M13/05; H04L1/00

WO2015026148A1

2015-02-26

US20140108748A1

2014-04-17

CHEN, KAI ET AL.: "Polar Coded HARQ Scheme with Chase Combining", ARXIV:1310.6650V2, 10 January 2014 (2014-01-10), XP032683031
EL-KHAMY, MOSTAFA ET AL.: "Rate-Compatible Polar Codes for Wireless Channels", ARXIV:1 508.07698VL, 31 August 2015 (2015-08-31), XP055397700
CHEN, KAI ET AL.: "A Hybrid ARQ Scheme Based on Polar Codes", ARXIV: 1307.2800VL, 10 July 2013 (2013-07-10), XP011535616

ENVISION PATENT & LAW FIRM (KR)

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