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ThinkMind // ICWMC 2012, The Eighth International Conference on Wireless and Mobile Communications // View article icwmc_2012_18_40_20299


Maximal Ratio Combining SC-FDMA Performance over Correlated Ricean Channels

Authors:
Jyoti R. Gangane
Mari Carmen Aguayo-Torres
Juan J. Sanchez-Sanchez

Keywords: SC-FDMA, MRC, Rice

Abstract:
Long Term Evolution (LTE) system has selected Single Carrier Frequency Division Multiple Access (SC FDMA) for uplink transmission. Multiple Input Multiple Output (MIMO) can be used in order to improve throughput, robustness, coverage and capacity. Although it is well known that the performance of SC-FDMA is worse than that of Orthogonal Frequency Division Multiplexing (OFDM) for Rayleigh channels, the existence of a Line Of Sight (LOS) is able to increase SC FDMA resistance to fading further than that of OFDM. In this work, the effect of antenna correlation over SC FDMA is investigated for Rice and Rayleigh fading channels. Performance of MRC SC-FDMA is compared to that of ZF and MMSE equalizers for several LOS power and antenna correlation values. Results show that SC FDMA coherent combination performance is better than that of OFDM for both Rayleigh and Rice channels. Influence of fading frequency correlation function on SC-FDMA performance is kept under MRC.

Pages: 428 to 432

Copyright: Copyright (c) IARIA, 2012

Publication date: June 24, 2012

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-203-5

Location: Venice, Italy

Dates: from June 24, 2012 to June 29, 2012

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