A 0.92mm2 23.4mW fully-compliant CTC decoder for WiMAX 802.16e application

Shao Wei Yen*, Ming Chih Hu, Chih Lung Chen, Hsie-Chia Chang, Shyh-Jye Jou, Chen-Yi Lee

*此作品的通信作者

    研究成果: Conference contribution同行評審

    摘要

    An area-efficient and fully-compliant decoder for convolutional turbo code (CTC) of WiMAX 802.16e is presented. The proposed decoder can support all 17 modes specified in IEEE 802.16e system. By scaling the extrinsic information, the Max-Log MAP algorithm is used to reduce the hardware complexity with the minimized performance loss. A two-phase extrinsic memory and reversed sliding window technique are demonstrated for less memory requirement and decoding latency. Moreover, a division-free reconfigurable interleaver architecture is implemented by simple addition and subtraction instead of division. Fabricated with the 90nm CMOS process, the proposed CTC decoder chip which occupies core area of 0.92mm2 can achieve 30Mb/s with 23.4mW power consumption.

    原文English
    主出版物標題2009 IEEE Custom Integrated Circuits Conference, CICC '09
    發行者IEEE
    頁面191-194
    頁數4
    ISBN(列印)9781424440726
    DOIs
    出版狀態Published - 2009
    事件2009 IEEE Custom Integrated Circuits Conference, CICC '09 - San Jose, CA, United States
    持續時間: 13 9月 200916 9月 2009

    出版系列

    名字Proceedings of the Custom Integrated Circuits Conference
    ISSN(列印)0886-5930

    Conference

    Conference2009 IEEE Custom Integrated Circuits Conference, CICC '09
    國家/地區United States
    城市San Jose, CA
    期間13/09/0916/09/09

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