NDLI: Hierarchical modulated channel and network coding scheme in the multiple-access relay system

Content Provider	IEEE Xplore Digital Library
Author	Zongyan Li Mugen Peng Wenbo Wang
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Universal Wireless Communications for Ministry of Education, Beijing University of Posts and Telecommunications, China (Zongyan Li; Mugen Peng; Wenbo Wang)
Abstract	In this paper, we consider a multiple-access relay system with two sources, one relay, and one destination. The relay combines the information received from these two sources, and then sends the combining information to the destination. For the information combing at the relay, a traditional network coding scheme, based on XOR-operation does not show good error protection capability and becomes less effective. In this paper, we propose a hierarchical modulated network coding scheme to enhance the spectrum efficiency, where the hierarchical modulation is proposed to enhance the transmission at both sources, and an joint channel coding and network coding is presented to resist the interference and fading at the relay. Simulation results show that the proposed scheme substantially improves the bit-error probability and even achieves high spectral efficiency compared to traditional scheme.
Starting Page	984
Ending Page	988
File Size	151588
Page Count	5
File Format	PDF
ISBN	9781612843063
e-ISBN	9781612843070
DOI	10.1109/ICCT.2011.6158026
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Bit error rate Network coding Fading Phase shift keying Wireless communication multiple-access relay channel network coding hierarchical modulation
Content Type	Text
Resource Type	Article

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