Interference suppression in OFDM-antenna array with time shifted sampling

Hiroki Suzuki, Refik Çaǧlar Kizilirmak, Yukitoshi Sanada

    Research output: Contribution to journalArticle

    Abstract

    In this letter, an interference suppression scheme by MMSE combining in OFDM-antenna array with time shifted sampling (TSS) is proposed. An array antenna at a base station has been thoroughly investigated to increase the uplink capacity. The performance of the uplink is not only limited by the correlation between the antenna elements, which strongly depends on the spatial aspects of the channel, as well as the interference from the terminals. Numerical results through computer simulation show that the proposed scheme improves bit error rate performance because of interference suppression by MMSE combining and diversity reception by TSS at the same time.

    Original languageEnglish
    Pages (from-to)2945-2948
    Number of pages4
    JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
    VolumeE92-A
    Issue number11
    DOIs
    Publication statusPublished - 2009 Nov

    Keywords

    • Antenna array
    • MMSE
    • OFDM
    • Time shifted sampling

    ASJC Scopus subject areas

    • Signal Processing
    • Computer Graphics and Computer-Aided Design
    • Electrical and Electronic Engineering
    • Applied Mathematics

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