基于自适应ofdm的水声传输:系统设计与实验验证

2017 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom) Pub Date : 2017-06-05 DOI:10.1109/BlackSeaCom.2017.8277660

M. Sadeghi, M. Elamassie, M. Uysal

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引用次数: 16

摘要

本文提出了一种基于正交频分复用(OFDM)的链路自适应水声通信系统的设计与实现。我们的系统实现是基于美国国家仪器通用软件无线电外设(USRP)的定制版本。改进后的usrp与水听器前端相连接，用于声传输。我们研究了各种自适应算法的性能，其中每个子载波上的调制顺序/类型和功率都是根据信道条件选择的，以最大限度地提高吞吐量。池内实验结果验证了自适应传输的优越性。

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Adaptive OFDM-based acoustic underwater transmission: System design and experimental verification

In this paper, we present the design and implementation of a software defined orthogonal frequency division multiplexing (OFDM)-based underwater acoustic (UWA) communication system with link adaptation. Our system implementation is based on the customized versions of National Instruments Universal Software Radio Peripheral (USRP). The modified USRPs are interfaced with hydrophone front-ends for acoustic transmission. We investigate the performance of various adaptive algorithms where both modulation order/type and power on each subcarrier are selected based on channel conditions in order to maximize throughput. The experimental in-pool test results verify the superiority of adaptive transmission.

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来源期刊

2017 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom)

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