Fading resistance of orthogonal space-time block codes under spatial correlation

Tharaka A. Lamahewa*, Thushara D. Abhayapala, Rodney A. Kennedy

*Corresponding author for this work

    Research output: Contribution to conferencePaperpeer-review

    3 Citations (Scopus)

    Abstract

    In this paper, impact on the bit-error rate performance of orthogonal space-time block codes (O-STBC) due to spatial correlation is investigated. An analytic model for spatial correlation is used which fully accounts for: i) antenna placement and separation, and ii) scattering distributions (Isotropic, Uniform-limited, etc.). We show that the impact of the space is limited on the bit-error rate performance of O-STBC, that is, most of the error rate improvement is due to the 'time-coding' than to 'space-coding'. Further, we investigate how the non-isotropic parameters of an azimuth power distribution, including the angular spread and the mean angle of arrival (AOA) of an impinging signal effect the bit-error rate performance of O-STBC. A rule of thumb for the antenna separation is proposed, where the performance of the O-STBC is optimal under a given scattering environment.

    Original languageEnglish
    Pages278-282
    Number of pages5
    Publication statusPublished - 2004
    Event2004 IEEE 5th Workshop on Signal Processing Advances in Wireless Communications, SPAWC - Lisbon, Portugal
    Duration: 11 Jul 200414 Jul 2004

    Conference

    Conference2004 IEEE 5th Workshop on Signal Processing Advances in Wireless Communications, SPAWC
    Country/TerritoryPortugal
    CityLisbon
    Period11/07/0414/07/04

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