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An investigation into performance of MIMO wireless communication system under semi-blind channel estimation

Authors:

Gajanan R. Patil,

Vishwanath K. KokateAuthors Info & Claims

International Journal of Wireless and Mobile Computing, Volume 8, Issue 1

Pages 51 - 58

https://doi.org/10.1504/IJWMC.2015.066753

Published: 01 January 2015 Publication History

Abstract

A new approach to Semi-Blind Channel Estimation (SBCE) technique for Multiple Input Multiple Output (MIMO) wireless communication system is proposed in this paper. It combines the least squares (LS) and Minimum Mean Square Error (MMSE) Training-Based Channel Estimation (TBCE) scheme with whitening rotation-based SBCE scheme. In this approach, the singular value decomposition has to be applied only once, thereby reducing the computational complexity. The channel correlation matrix required by MMSE technique can be obtained based on latest channel conditions. The performance of this scheme is compared with whitening rotation-based SBCE under various parameters such as modulation schemes, Signal-to-Noise Ratio (SNR) and frame length. The performance of the new approach is found to be better in terms of Bit Error Rate (BER) for high SNR, higher modulation order and smaller frame lengths. With low SNR, lower modulation order and larger frame lengths, there is negligible reduction in performance.

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Cited By

Ramana MKrishna P(2016)An approach for routing in delay tolerant mobile ad-hoc networks using quadrant-based look-ahead methodInternational Journal of Wireless and Mobile Computing10.1504/IJWMC.2016.07723110:3(301-307)Online publication date: 1-Jan-2016
https://dl.acm.org/doi/10.1504/IJWMC.2016.077231
Sheikh JParah SBhat G(2016)A new multiple input multiple output multi-carrier direct sequence code division multiple access system using T × T spreading with link budget analysisInternational Journal of Wireless and Mobile Computing10.1504/IJWMC.2016.07616010:2(148-158)Online publication date: 1-Apr-2016
https://dl.acm.org/doi/10.1504/IJWMC.2016.076160

An investigation into performance of MIMO wireless communication system under semi-blind channel estimation

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Published In

cover image International Journal of Wireless and Mobile Computing

International Journal of Wireless and Mobile Computing Volume 8, Issue 1

January 2015

102 pages

ISSN:1741-1084

EISSN:1741-1092

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Inderscience Publishers

Geneva 15, Switzerland

Publication History

Published: 01 January 2015

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Cited By

Ramana MKrishna P(2016)An approach for routing in delay tolerant mobile ad-hoc networks using quadrant-based look-ahead methodInternational Journal of Wireless and Mobile Computing10.1504/IJWMC.2016.07723110:3(301-307)Online publication date: 1-Jan-2016
https://dl.acm.org/doi/10.1504/IJWMC.2016.077231
Sheikh JParah SBhat G(2016)A new multiple input multiple output multi-carrier direct sequence code division multiple access system using T × T spreading with link budget analysisInternational Journal of Wireless and Mobile Computing10.1504/IJWMC.2016.07616010:2(148-158)Online publication date: 1-Apr-2016
https://dl.acm.org/doi/10.1504/IJWMC.2016.076160

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