MIMO channel estimation for time-division duplex distributed antenna cooperative transmission

Fumiyuki Adachi, Amnart Boonkajay, Yuta Seki, Tomoyuki Saito

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    7 Citations (Scopus)

    Abstract

    We have been studying cooperative distributed antenna transmission (CDAT) as a promising technique for realizing the 5th generation (5G) high-speed mobile communications. Assuming time division duplex (TDD), the macro-cell base station (MBS) and the user equipments (UEs) conduct the channel estimation independently to obtain the shared channel state information (CSI). In this paper, we introduce a TDD frame structure consisting of uplink pilot time slot and downlink pilot time slot followed by data time slots. MIMO channel estimation is done before the user data transmission. Also presented is the pilot signal design. The accuracy of the proposed MIMO channel estimation and achievable bit error rate (BER) performance of user data transmission are evaluated by computer simulation.

    Original languageEnglish
    Title of host publication2017 13th International Wireless Communications and Mobile Computing Conference, IWCMC 2017
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages212-217
    Number of pages6
    ISBN (Electronic)9781509043729
    DOIs
    Publication statusPublished - 2017 Jul 19
    Event13th IEEE International Wireless Communications and Mobile Computing Conference, IWCMC 2017 - Valencia, Spain
    Duration: 2017 Jun 262017 Jun 30

    Publication series

    Name2017 13th International Wireless Communications and Mobile Computing Conference, IWCMC 2017

    Other

    Other13th IEEE International Wireless Communications and Mobile Computing Conference, IWCMC 2017
    Country/TerritorySpain
    CityValencia
    Period17/6/2617/6/30

    Keywords

    • 5G mobile communications system
    • Channel estimation
    • Cooperative transmission
    • Distributed antenna
    • Time-division duplex (TDD)

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Hardware and Architecture
    • Signal Processing

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