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Layered Space-Time Codes in Wireless Communications Channels – System Design and Performance Analysis

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4 Author(s)
Ahmed J. Jameel ; Dept. of Telecommun. Eng., Ahlia Univ., Manama, Bahrain ; Hadeel Adnan ; You Xiaohu ; Abir Hussain

The objective of this paper is to simulate numerically the wireless channel and the V-BLAST architecture to compare the performance of these systems using linear nulling and symbol cancellation along linear nulling for a zero forcing and a minimum mean-squared error receiver. We will also compare the performance of V-BLAST and the successive cancellation receiver against the QR decomposition as an approximation of vertical bell laboratories layered space-time, trying to develop a less calculation intensive algorithm. The simulation will compute the frame error rate in both cases for different values of SNR in a flat fading channel. The transmitted symbols will be modulated using a QPSK constellation with 4 transmitters and 6 receivers. The results will be compared to those measured in the laboratory of the optimum V-BLAST.

Published in:

Developments in eSystems Engineering (DESE), 2009 Second International Conference on

Date of Conference:

14-16 Dec. 2009