Abstract
In this paper, a low complexity and efficient multiuser space time block code multicarrier 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 scheme achieves 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.
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Behera, S., Patra, S.K. (2015). Performance Analysis of Low-Complexity Multiuser STBC MC-CDMA System. In: Jain, L., Patnaik, S., Ichalkaranje, N. (eds) Intelligent Computing, Communication and Devices. Advances in Intelligent Systems and Computing, vol 309. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2009-1_26
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DOI: https://doi.org/10.1007/978-81-322-2009-1_26
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Publisher Name: Springer, New Delhi
Print ISBN: 978-81-322-2008-4
Online ISBN: 978-81-322-2009-1
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