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An Improved MU-MIMO OFDM Scheme for the 3GPP LTE-Advanced Standard

Authors:
Yuechao Wang
Zhanji Wu
Guanghao Wu

Keywords: coded modulation; rotated modulation; modulation diversity

Abstract:
In order to achieve the required data rates of 1Gbit/s and more in 3GPP LTE-Advanced wireless systems, there is an increased need for high spectral efficiency. Multi-user multiple-input-multiple-output (MU-MIMO) is a promising way to improve frequency usage efficiency. In this paper, a new multi-user MIMO OFDM scheme, named Joint Coding Modulation Diversity (JCMD) is proposed for the 3rd generation partnership project (3GPP) long term evolution advanced (LTE-Advanced). This new scheme can take advantage of the modulation diversity of rotated constellation, the frequency diversity of orthogonal frequency-division multiplexing (OFDM) system and Turbo codes all together. The simulation results show that this proposed scheme can significantly outperform the current Bit Interleaved Coded Modulation (BICM) scheme in the 3GPP LTE-Advanced standard.

Pages: 134 to 139

Copyright: Copyright (c) IARIA, 2013

Publication date: July 21, 2013

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-284-4

Location: Nice, France

Dates: from July 21, 2013 to July 26, 2013