NDLI: Side information embedding and detection scheme for selected mapping based single-carrier frequency-division multiple access systems

Content Provider	IET Digital Library
Author	Wu, Kun Ren, Guangliang Ji, Jinwei Wu, Jueying
Abstract	Selected mapping (SLM) works effectively in peak-to-average power ratio reduction for the single-carrier frequency-division multiple access (SC-FDMA) system. However, the need for side information (SI) transmission results in data rate loss and increase of the system complexity. To avoid explicit SI transmission for SLM-based SC-FDMA systems, an SI embedding and detection scheme is proposed by exploiting the block pilot symbols. Specifically, to enable SI embedding, the authors propose to represent the SI index for each data symbol in the subframe by a location set of some selected subcarriers in the block pilot symbol. For SI detection, an optimal pilot-aided maximum-likelihood SI detector is presented. As a low-complexity alternative, a suboptimal log-likelihood ratio SI detector is also proposed. In addition, the authors provide theoretical analysis of SI detection error rate and discuss the effect of the proposed scheme on channel estimation. Simulation results show that, in SLM-based SC-FDMA systems, the proposed scheme significantly outperforms existing methods in terms of both SI detection and bit error rate (BER) and achieves the same BER performance as its counterpart with perfect SI.
Starting Page	1294
Ending Page	1302
Page Count	9
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 11, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.1056
Journal	IET Communications
Publisher Date	2016-07-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BER Bit Error Rate Block Pilot Symbols Channel Estimation Communication Channel Equalisation And Identification Error Statistics Frequency Division Multiple Access Multiple Access Communication Optimal Pilot-aided Maximum-likelihood SI Detector Radio Link And Equipment SC-FDMA System Selected Mapping Based Single-carrier Frequency-division Multiple Access System Side Information Embedding And Detection Scheme Single-carrier Frequency-division Multiple Access System Statistics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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