NDLI: Decode-and-forward polar coding scheme for receive diversity: a relay partially perfect retransmission for half-duplex wireless relay channels

Content Provider	IET Digital Library
Author	Soliman, Tamer Yang, Fengfan Ejaz, Saqib Almslmany, Amir
Abstract	Recently, it is shown that the channel polarisation phenomenon of Arikan's polar codes with their original multilevel construction happens in several levels with perfect, partially perfect and useless bit channels. On the basis of this construction, this study aims to illustrate design principles and decoding steps of cooperative decode-and-forward polar coding schemes for half-duplex relay channel. In these schemes, the authors consider the use of relay retransmission of partially perfect bit channels in time-division process. The source node transmits its polar-coded information to both the relay and the destination nodes during the first time slot. For the second transmission period, the relay first decodes the source signal then after reconstruction of the polarisation matrix, the extracted partially perfect bit channels are recoded using another polar code and finally transmitted to the destination node. At destination, the signals received from both source and relay nodes are processed by using multi-stage successive cancellation decoding for retrieving the original information bits. They demonstrate via numerical results that by carefully constructed polarisation matrix at relay node, their cooperative polar coding schemes can achieve better performances than other previous schemes.
Starting Page	185
Ending Page	191
Page Count	7
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 2, Jan (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0915
Journal	IET Communications
Publisher Date	2017-01-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Arikan Polar Codes Channel Polarisation Phenomenon Code Cooperative Decode-and-forward Polar Coding Scheme Decode And Forward Communication Decoding Decoding Steps Design Principles Destination Nodes Electromagnetic Wave Polarisation Electromagnetic Wave Propagation Half-duplex Wireless Relay Channel Linear Algebra Matrix Algebra Multilevel Construction Multistage Successive Cancellation Decoding Numerical Analysis Partially Perfect Bit Channel Perfect Bit Channel Polarisation Matrix Reconstruction Radio Link And Equipment Receive Diversity Relay Network Relay Node Relay Partially Perfect Retransmission Source Signal Telecommunication Time-division Process Useless Bit Channel Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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