Analytical Approach of a Multicarrier CDMA Technique for 4G Mobile Communication Systems
A.B.Gurulakshmi, M.Parisa Beham and N.Mahalakshmi. Analytical Approach of a Multicarrier CDMA Technique for 4G Mobile Communication Systems. IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET) (7):32-37, 2011. Full text available. BibTeX
@article{key:article,
author = {A.B.Gurulakshmi and M.Parisa Beham and N.Mahalakshmi},
title = {Analytical Approach of a Multicarrier CDMA Technique for 4G Mobile Communication Systems},
journal = {IJCA Proceedings on International Conference and workshop on Emerging Trends in Technology (ICWET)},
year = {2011},
number = {7},
pages = {32-37},
note = {Full text available}
}
Abstract
This paper discusses the performance of multicarrier CDMA technique for the next generation mobile communication system. The transmitter/receiver structure and the bandwidth of transmitted signal spectrum are analysed for the proposed systems. It defines MC-CDMA as a frequency PN pattern and MC-DS-CDMA as a straight extension of DS-CDMA; and argues that these twin asymmetric technologies are most suitable for 4G since MC-CDMA is suitable for the downlink and MC-DS-CDMA is suitable for the uplink in the cellular systems. Although MC-CDMA performs better than MC-DS-CDMA, it needs chip synchronization between users, and is therefore difficult to deploy in the uplink. Finally, the BER performance in downlink and uplink channels is shown by computer simulation.
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