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Wireless Personal Communications
Published in: Wireless Personal Communications 1/2014

01-03-2014

Performance of STTC-MC-CDMA Systems with Imperfect Channel Estimation

Authors: Lokesh Kumar Bansal, Aditya Trivedi, Rekha Gupta

Published in: Wireless Personal Communications | Issue 1/2014

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Abstract

Since, in a practical system perfect channel state information (CSI) is not possible due to presence of noise. This paper deals with the performance of space-time trellis code (STTC) in multi-carrier code-division multiple-access systems in presence of channel estimation (CE) error and results are compared with perfect CSI at the receiver. The pilot symbol assisted (PSA) technique is used for CE employing minimum mean-square error method. The symbol error rate (SER) performance is observed by employing Viterbi decoding algorithm to decode STTC code at the receiver in multi-path fading channel. The simulated SER performances in presence of CE error and with perfect CSI are compared with the theoretical performances to validate the theoretical analysis.
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Metadata
Title
Performance of STTC-MC-CDMA Systems with Imperfect Channel Estimation
Authors
Lokesh Kumar Bansal
Aditya Trivedi
Rekha Gupta
Publication date
01-03-2014
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 1/2014
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-013-1347-x

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