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MMSE Algorithm Based MIMO Transmission Scheme

International Journal of Electronics and Communication Engineering
© 2014 by SSRG - IJECE Journal
Volume 1 Issue 6
Year of Publication : 2014
Authors : Rashmi Tiwari and Agya Mishra
10.14445/23488549/IJECE-V1I6P109
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How to Cite?

Rashmi Tiwari and Agya Mishra, "MMSE Algorithm Based MIMO Transmission Scheme," SSRG International Journal of Electronics and Communication Engineering, vol. 1,  no. 6, pp. 26-30, 2014. Crossref, https://doi.org/10.14445/23488549/IJECE-V1I6P109

Abstract:

This paper presents a Multiple-Input Multiple-Output (MIMO) transmission scheme that combines the spatial modulation (SM) with MIMO spatial multiplexing technique. The SM uses NA number of active antennas to transmit the same symbol, the proposed MIMO model uses the NA number of active antennas to transmit different symbols at the same time to increases the spectral efficiency of the system. A Zero-Forcing based equalizer is used at the receiver to jointly estimate the transmitted symbols as well as the index of active antennas combination. The zero-forcing based detection scheme suffers from a higher complexity and Inter channel Interference (ICI) with less probability of error (BER). For solving the problem in this paper a MMSE based detection scheme is used which improve the BER (bit error probability). The performance of MMSE based detection scheme is evaluated in an uncorrelated flat Rayleigh fading channel and compared with the Zero-forcing based spatial modulation and MMSE Detector

Keywords:

AWGN(Additive white Gaussian noise) ,Rayleigh fading channel, Antenna Combination Binary phase shift keying (BPSK), Bit error rate (BER), Inter-symbol interference (ISI), Minimum mean square error (MMSE), MIMO System, Spatial Modulation, Spatial Multiplexing, Zero Forcing (ZF).

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