NDLI: High-Throughput Cooperative Communication with Interference Cancellation for Two-Path Relay in Multi-Source System

Content Provider	IEEE Xplore Digital Library
Author	Hao Lu Peilin Hong Kaiping Xue
Copyright Year	2002
Abstract	Relay-based cooperative communication has become a research focus in recent years because it can achieve diversity gain in wireless networks. In existing works, network coding and the two-path relay scheme is exploited to deal with the increase in network size and the half-duplex nature of relay, respectively. To further improve bandwidth efficiency, we propose a novel cooperative transmission scheme which combines network coding and the two-path relay scheme together in the multi-source system. Due to the utilization of two-path relay, our proposed scheme achieves full-rate transmission. Adopting complex field network coding (CFNC) at both the sources and the relays ensures that symbols from different sources are allowed to be broadcasted in the same time slot. We also adopt physical-layer network coding (PNC) at the relay nodes to deal with the inter-relay interference caused by the two-path relay. With careful process design, our scheme can achieve the ideal throughput up to 1 symbol per source per time slot (sym/S/TS). Furthermore, the theoretical analysis provides a method to estimate the symbol error probability (SEP) and throughput in complex additive white Gaussian noise (AWGN) and Rayleigh fading channels. The simulation results verify the improvements achieved by the proposed scheme.
Starting Page	4840
Ending Page	4851
Page Count	12
File Size	501680
File Format	PDF
ISSN	15361276
Volume Number	12
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Network coding Interference Throughput Binary phase shift keying throughput Complex field network coding two-path relay inter-relay interference physical-layer network coding
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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