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【学术讲座】“基于时间反转的单载波频域均衡水下传输技术”学术讲座
2018-05-11 16:22   航海学院 审核人:   (点击: )

报告题目:基于时间反转的单载波频域均衡水下传输技术。

(Time reversal based frequency-domain equalization for underwater acoustic single-carrier transmissions.)

报告时间:2018年5月16日上午9:30

报告地点:航海主楼201

联系人:何成兵

报告人简介:Aijun Song教授任教于美国阿拉巴马大学电子与计算机工程学院,研究涉及广泛,包括:装设仪器,实验测试,现场实验,理论探索,算法设计,模型开发,硬件成型。主要研究现代数字通信,传感和信号处理技术,并研究其在极端环境下的应用。Aijun Song教授拥有丰富的快速时变无线信道的数字通信和水声通信的科研经历,并且在水声无线通信领域做出了重要贡献。

报告内容简介:Prefixes, in forms of cyclic-prefixes or zero-padding, have often been viewed as indispensable in underwater acoustic single-carrier transmissions to avoid inter-block interference (IBI) and to formulate circular convolution. However, the prefix introduces overhead and reduces spectral efficiency. This is especially true in fast time-varying channel conditions. Here we propose a prefix-free scheme to facilitate frequency domain equalization (FDE) in an underwater acoustic communication system, based on the time reversal processing.

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