Correlated noise cancellation in fractional sampling orthogonal frequency and code division multiplexing with alternative spreading code

M. Inamori, H. Nishimura, Y. Sanada, M. Ghavami

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Orthogonal frequency and code division multiplexing (OFCDM) has received large attention as a modulation scheme to realise high data rate transmission. The OFCDM system with fractional sampling (FS) is investigated. FS is a diversity scheme with a single antenna, which achieves path diversity through oversampling and parallel signal reception. However, the correlation among noise components may deteriorate the bit error rate performance at the receiver as the number of subcarriers and oversampling ratio increases. To overcome this problem, the alternative spreading code is used for the FS OFCDM system. Numerical results through computer simulation show that the proposed scheme can improve the performance of the receiver with the large oversampling ratio and the number of subcarriers.

    Original languageEnglish
    Article numberICEOCW000004000010001217000001
    Pages (from-to)1217-1225
    Number of pages9
    JournalIET Communications
    Volume4
    Issue number10
    DOIs
    Publication statusPublished - 2010 Jul 1

    ASJC Scopus subject areas

    • Computer Science Applications
    • Electrical and Electronic Engineering

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