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Design and Performance Analysis of an Adaptive Receiver for Multicarrier DS-CDMA

EURASIP Journal on Wireless Communications and Networking volume 2007, Article number: 010462 (2007) Cite this article

Abstract

An adaptive parallel interference cancelation (APIC) scheme is proposed for the multicarrier direct sequence code division multiple access (MC-DS-CDMA) system. Frequency diversity inherent in the MC system is exploited through maximal ratio combining, and an adaptive least mean square algorithm is used to estimate the multiple access interference. Theoretical analysis on the bit-error rate (BER) of the APIC receiver is presented. Under a unified signal model, the conventional PIC (CPIC) is shown to be a special case of the APIC. Hence the BER derivation for the APIC is also applicable to the CPIC. The performance and the accuracy of the theoretical results are examined via simulations under different design parameters, which show that the APIC outperforms the CPIC receiver provided that the adaptive parameters are properly selected.

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Authors and Affiliations

  1. Institute for Infocomm Research (I2R) (A*STAR), Agency for Science, Technology and Research, 21 Heng Mui Keng Terrace, 119613, Singapore

    Huahui Wang, Kai Yen, KayWee Ang & YongHuat Chew

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  1. Huahui Wang
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Correspondence to Huahui Wang.

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Wang, H., Yen, K., Ang, K. et al. Design and Performance Analysis of an Adaptive Receiver for Multicarrier DS-CDMA. J Wireless Com Network 2007, 010462 (2007). https://doi.org/10.1155/2007/10462

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  • DOI: https://doi.org/10.1155/2007/10462

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