Training Sequence Aided MC-CDMA Scheme with High Spectrum Efficiency

Linglong DAI; Zhaocheng WANG; Jian SONG; Zhixing YANG

doi:10.1587/transfun.E93.A.1857

Regular Section

Training Sequence Aided MC-CDMA Scheme with High Spectrum Efficiency

Linglong DAI, Zhaocheng WANG, Jian SONG, Zhixing YANG

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Keywords: MC-CDMA, TDS-MC-CDMA, spectrum efficiency, training sequence

JOURNAL RESTRICTED ACCESS

2010 Volume E93.A Issue 10 Pages 1857-1860

DOI https://doi.org/10.1587/transfun.E93.A.1857

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Abstract

This letter presents a novel multi-carrier code division multiple access (MC-CDMA) system called time domain synchronous MC-CDMA (TDS-MC-CDMA). Aided by the new training sequence (TS) with perfect autocorrelation in the time domain and flat frequency response in the frequency domain, the proposed TDS-MC-CDMA system outperform the traditional MC-CDMA system in terms of spectrum efficiency by about 10%. Simulations are carried out to demonstrate the good performance of the proposed scheme.

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