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Dispensing with channel estimation: differentially modulated cooperative wireless communications

Wang, Li and Hanzo, Lajos (2012) Dispensing with channel estimation: differentially modulated cooperative wireless communications IEEE Communications Surveys & Tutorials, 14, (3), pp. 836-857. (doi:10.1109/SURV.2011.081611.00138).

Record type: Article

Abstract

As a benefit of bypassing the potentially excessive complexity and yet inaccurate channel estimation, differentially encoded modulation in conjunction with low-complexity noncoherent detection constitutes a viable candidate for user-cooperative systems, where estimating all the links by the relays is unrealistic. In order to stimulate further research on differentially modulated cooperative systems, a number of fundamental challenges encountered in their practical implementations are addressed, including the time-variant-channel-induced performance erosion, flexible cooperative protocol designs, resource allocation as well as its high-spectral-efficiency transceiver design. Our investigations demonstrate the quantitative benefits of cooperative wireless networks both from a pure capacity perspective as well as from a practical system design perspective.

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More information

e-pub ahead of print date: 1 September 2011
Published date: 27 July 2012
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 272818
URI: http://eprints.soton.ac.uk/id/eprint/272818
PURE UUID: 747e201c-75cc-4d31-8bb1-29595261aa3b

Catalogue record

Date deposited: 20 Sep 2011 21:26
Last modified: 07 Aug 2017 13:45

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Contributors

Author: Li Wang
Author: Lajos Hanzo

University divisions

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