Direct-adaption based bidirectional turbo equalization for multiple-input multiple-output underwater acoustic communications

Junyi Xi, Shefeng Yan*, Lijun Xu, Jing Tian

*此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

1 引用 (Scopus)

摘要

A direct-adaption based bidirectional turbo equalizer (DA-BTEQ) is proposed for multiple-input multiple output (MIMO) underwater acoustic (UWA) communications. Abandoning the traditional channel estimation process, the proposed DA-BTEQ works in a direct-adaption mode and is implemented with bidirectional soft-decision feedback equalizer (SDFE) to suppress error propagation. The diversity gain is exploited by combining the outputs of the bidirectional SDFE with an equal-gain combining scheme. The comparison between the DA-BTEQ and channel-estimation based bidirectional turbo equalizer (CE-BTEQ) is conducted through simulations. The superiority of the proposed method over the conventional method is also verified in terms of bit error rate (BER) performance and extrinsic information transfer (EXIT) charts.

源语言英语
主期刊名OCEANS 2016 - Shanghai
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781467397247
DOI
出版状态已出版 - 3 6月 2016
已对外发布
活动OCEANS 2016 - Shanghai - Shanghai, 中国
期限: 10 4月 201613 4月 2016

出版系列

姓名OCEANS 2016 - Shanghai

会议

会议OCEANS 2016 - Shanghai
国家/地区中国
Shanghai
时期10/04/1613/04/16

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