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Performance analysis of MC-CDMA system

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2 Author(s)
Jangalwa, M. ; Inst. of Eng. & Technol., Devi Ahilya Univ., Indore, India ; Vrinda Tokekar

To achieve high data rate Multi-Carrier Code Division Multiple Access (MC-CDMA) is one suitable choice for next generation wireless communication system. MC-CDMA is the combination of CDMA and OFDM schemes, resulting into getting the advantages of both the schemes. Capacity planning is one of the major issues in designing of wireless communication system. In wireless communication system capacity planning greatly depends on bit error rate (BER). This study investigates the BER performance of MC-CDMA system over Rayleigh fading channel for different length of spreading code. Walsh-Hadamard (W-H) code has been chosen for spreading, which reduces the multiple access interference (MAI) in downlink due to its orthogonal property. Simulation results show the improvement in BER performance with the increasing length of the spreading code. Also the comparative study of BER performance over different modulation techniques show that minimum BER obtained with the BPSK modulation technique.

Published in:

Recent Advances in Information Technology (RAIT), 2012 1st International Conference on

Date of Conference:

15-17 March 2012