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Multiple-Symbol Joint Signal Processing for Differentially Encoded Single- and Multi-Carrier Communications: Principles, Designs and Applications

Multiple-Symbol Joint Signal Processing for Differentially Encoded Single- and Multi-Carrier Communications: Principles, Designs and Applications
Multiple-Symbol Joint Signal Processing for Differentially Encoded Single- and Multi-Carrier Communications: Principles, Designs and Applications
Bypassing the potentially excessive-complexity and yet inaccurate channel estimation, differentially encoded modulation in conjunction with low-complexity non-coherent detection constitutes a viable candidate for future multiple-antenna aided systems, where estimating all the links may become unrealistic, especially in high-speed environments. Upon exploiting the correlation between the phase distortions experienced by the consecutively transmitted symbols and/or based on mutually and iteratively utilizing the increasingly improved bit reliability information among the associated multiple symbols in the context of differentially modulated systems using channel code aided iterative receivers, the joint processing on consecutively received multiple symbols improves the system’s performance. For example, an increased robustness against rapid channel fluctuation, improved flexibility in the system’s performance-complexity compromise as well as a reduced performance loss is achieved in comparison to its coherent detection aided counterpart. In order to stimulate further research on differentially modulated systems and on the associated multiple-symbol signal processing based advanced receiver design, a comprehensive review on their related concepts and fundamental principles is carried out in this treatise, followed by a number of potential challenges encountered in their practical implementations in future high-spectral-efficiency wireless transmissions, such as their applications in high-order differentially modulated systems and in differential interference suppression of spatial-division multiplexing/multiple access scenarios.
Wang, Li
48544830-2bcb-4cfa-a33e-343ebfbe4aac
Li, Li
8e6fbabd-aac6-4bb0-a273-a77750dc5b92
Xu, Chao
349b7322-fd17-4fcd-a49f-c62afe284d50
Liang, Dandan
7ec17ba1-8959-4ee0-8f58-2e51c646ae23
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Wang, Li
48544830-2bcb-4cfa-a33e-343ebfbe4aac
Li, Li
8e6fbabd-aac6-4bb0-a273-a77750dc5b92
Xu, Chao
349b7322-fd17-4fcd-a49f-c62afe284d50
Liang, Dandan
7ec17ba1-8959-4ee0-8f58-2e51c646ae23
Ng, Soon Xin
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Wang, Li, Li, Li, Xu, Chao, Liang, Dandan, Ng, Soon Xin and Hanzo, Lajos (2013) Multiple-Symbol Joint Signal Processing for Differentially Encoded Single- and Multi-Carrier Communications: Principles, Designs and Applications. IEEE Communications Surveys & Tutorials. (In Press)

Record type: Article

Abstract

Bypassing the potentially excessive-complexity and yet inaccurate channel estimation, differentially encoded modulation in conjunction with low-complexity non-coherent detection constitutes a viable candidate for future multiple-antenna aided systems, where estimating all the links may become unrealistic, especially in high-speed environments. Upon exploiting the correlation between the phase distortions experienced by the consecutively transmitted symbols and/or based on mutually and iteratively utilizing the increasingly improved bit reliability information among the associated multiple symbols in the context of differentially modulated systems using channel code aided iterative receivers, the joint processing on consecutively received multiple symbols improves the system’s performance. For example, an increased robustness against rapid channel fluctuation, improved flexibility in the system’s performance-complexity compromise as well as a reduced performance loss is achieved in comparison to its coherent detection aided counterpart. In order to stimulate further research on differentially modulated systems and on the associated multiple-symbol signal processing based advanced receiver design, a comprehensive review on their related concepts and fundamental principles is carried out in this treatise, followed by a number of potential challenges encountered in their practical implementations in future high-spectral-efficiency wireless transmissions, such as their applications in high-order differentially modulated systems and in differential interference suppression of spatial-division multiplexing/multiple access scenarios.

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Accepted/In Press date: 2013
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 355797
URI: http://eprints.soton.ac.uk/id/eprint/355797
PURE UUID: 5ecaaf0d-996f-4831-b0b5-c51479e2ac27
ORCID for Soon Xin Ng: ORCID iD orcid.org/0000-0002-0930-7194
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 14 Aug 2013 20:14
Last modified: 09 Jul 2020 00:26

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