IQ imbalance compensation scheme for MB-OFDM with transmit diversity

Yohei Kato, Tsuyoshi Ikuno, Yukitoshi Sanada

    研究成果: Conference contribution

    1 引用 (Scopus)

    抜粋

    Currently, Multi-band OFDM (MB-OFDM) is considered as one of the modulation schemes of UWB and is actively investigated. It is necessary to provide low cost receivers for consumers in order to receive wide support for MB-OFDM system. Such receivers can be achieved by utilizing direct conversion architecture. The direct conversion architecture has been investigated for the purpose of cost minimization, miniaturization, and low power consumption of wireless receivers. However, the balance between the in-phase component and the quadrature-phase component of demodulated signals is lost when direct conversion architecture is used. This phenomenon is called IQ imbalance. IQ imbalance is one of the problems for the direct conversion receiver. IQ imbalance causes intercarrier interference (ICI) in the demodulated signals. In this paper, a new scheme of IQ imbalance compensation using transmit diversity is proposed. This scheme enables the system to achieve frequency diversity and compensate the influence of IQ imbalance at the same time. It is shown that the performance of the proposed scheme is better than the conventional IQ imbalance compensation scheme.

    元の言語English
    ホスト出版物のタイトルICUWB2006
    ホスト出版物のサブタイトル2006 IEEE International Conference on Ultra-Wideband - Proceedings
    出版者IEEE Computer Society
    ページ293-298
    ページ数6
    ISBN(印刷物)142440102X, 9781424401024
    DOI
    出版物ステータスPublished - 2006 1 1
    イベントICUWB2006: 2006 IEEE International Conference on Ultra-Wideband - Waltham, MA, United States
    継続期間: 2006 9 242006 9 27

    出版物シリーズ

    名前ICUWB2006: 2006 IEEE International Conference on Ultra-Wideband - Proceedings

    Other

    OtherICUWB2006: 2006 IEEE International Conference on Ultra-Wideband
    United States
    Waltham, MA
    期間06/9/2406/9/27

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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  • これを引用

    Kato, Y., Ikuno, T., & Sanada, Y. (2006). IQ imbalance compensation scheme for MB-OFDM with transmit diversity. : ICUWB2006: 2006 IEEE International Conference on Ultra-Wideband - Proceedings (pp. 293-298). [4059460] (ICUWB2006: 2006 IEEE International Conference on Ultra-Wideband - Proceedings). IEEE Computer Society. https://doi.org/10.1109/ICU.2006.281565