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Decode-and-forward relaying technique in UMTS networks

Lookup NU author(s): Mingkwan Somphruek, Emeritus Professor Rolando Carrasco, Dr Stephane Le Goff


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As fading due to multipath propagation is an important issue in wireless systems, diversity techniques are employed in order to reduce the multipath fading effect. Cooperative communication represents a new class of diversity schemes in which multiple nodes equipped with a single antenna cooperate to generate a virtual multiple-antenna transmission system and thus offer the benefits of spatial diversity. This paper investigates the performance of the well known decode-and-forward cooperative technique on the flat fading indoor channel and also on the pedestrian and vehicular frequency-selective fading channels with decision feedback equalisation, which model the physical layer of UMTS networks in different environments. The performance is evaluated in terms of bit error rate as a function of signal-to-noise ratio with simulation results showing that decode-and-forward relaying provides a remarkable performance improvement over direct transmission. © 2010 IEEE.

Publication metadata

Author(s): Somphruek M; Le Goff S; Carrasco R

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 7th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP)

Year of Conference: 2010

Pages: 157-161

Publisher: IEEE


Library holdings: Search Newcastle University Library for this item

ISBN: 9781861353696