NDLI: An irregular repeat accumulate coded adaptive cooperation scheme based on Orthogonal Superposition Modulation

Content Provider	IEEE Xplore Digital Library
Author	Xiang Chen Mingxiang Xie Jing Huang
Copyright Year	2015
Description	Author affiliation: Electron. Eng. Inst., Coll. of Commun. Eng., Hefei, China (Xiang Chen; Mingxiang Xie; Jing Huang)
Abstract	User Cooperation (UC) is a promising technology to obtain diversity gain at terminals. Superposition Modulation Cooperation (SMC) is a new kind of UC mode exploiting higher order modulation constellation to allow relay node (RN) transmitting his own local data together with the relay data from source node (SN). The throughput outperforms Amplify-and-Forward (AF), Decode-and-Forward (DF) and coded cooperation (CC) when channel state is good. Power allocation (PA) between the local signal and relay signal is crucial for the performance of SMC. An Adaptive Orthogonal Superposition Modulation Cooperation (OSMC) Scheme is designed based on the bit-level Mutual Information (MI) model to minimize the average outage probability of the three-node cooperation system. Moreover, Irregular Repeat Accumulate (IRA) code is introduced to further improve the performance. Theoretical analysis and simulation results indicate that the adaptive OSMC scheme improves the power efficiency significantly.
Starting Page	2076
Ending Page	2080
File Size	271176
Page Count	5
File Format	PDF
e-ISBN	9781467376822
DOI	10.1109/FSKD.2015.7382271
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptation models Cooperative Communication Superposition Modulation Cooperation (SMC) IRA mutual information (MI) Binary phase shift keying Resource management Relays Mutual information Signal to noise ratio
Content Type	Text
Resource Type	Article

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