Nested Polar Codes for Wiretap and Relay Channels

被引：132

作者：

Andersson, Mattias ^{[1
,2
]}

Rathi, Vishwambhar ^{[1
,2
]}

Thobaben, Ragnar ^{[1
,2
]}

Kliewer, Jorg ^{[3
]}

Skoglund, Mikael ^{[1
,2
]}

机构：

[1] Royal Inst Technol KTH, Sch Elect Engn, Stockholm, Sweden

[2] Royal Inst Technol KTH, ACCESS Linnaeus Ctr, Stockholm, Sweden

[3] New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88003 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 08期

基金：

美国国家科学基金会; 瑞典研究理事会;

关键词：

Polar codes; wiretap channel; relay channel; decode-and-forward;

D O I：

10.1109/LCOMM.2010.08.100875

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We show that polar codes asymptotically achieve the whole capacity-equivocation region for the wiretap channel when the wiretapper's channel is degraded with respect to the main channel, and the weak secrecy notion is used. Our coding scheme also achieves the capacity of the physically degraded receiver-orthogonal relay channel. We show simulation results for moderate block length for the binary erasure wiretap channel, comparing polar codes and two edge type LDPC codes.

引用

页码：752 / 754

页数：3

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