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Title: Performance analysis of low complexity multiuser STBC MC-CDMA system
Authors: Behera, S
Patra, S K
Keywords: STBC
Linear detection schemes
Rayleigh fading channel
Issue Date: Apr-2014
Citation: International Conference on Intelligent Computing, Communication & Devices (ICCD-2014) Siksha ‘O’ Anusandhan University, Bhubaneswar, Odisha, India, 18-19th April 2014
Abstract: In this paper, a low complexity and efficient multiuser Space Time Block Code Multi-Carrier Code Division Multiple Access (STBC MC-CDMA)for downlink wireless communication system is proposed. STBC MC-CDMA provides diversity gain to improve transmission efficiency of mobile wireless systems where both STBC encoder and decoder are in time domain thus reducing the complexity at the receiver side. Proposed STBC MC-CDMA schemeachieves a diversity order of 2 without Channel State Information (CSI) at the transmitter under flat fading conditions without bandwidth expansion. In this paper the STBC MC-CDMA is compared with the STBC OFDM scheme under Rayleigh fading channel and AWGN channel using Zero Forcing (ZF) linear detection scheme and as anticipated the proposed STBC MC-CDMA outperforms STBC OFDM. Simulation results verify this.
Description: Copyright belongs to the Proceeding of Publisher
Appears in Collections:Conference Papers

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