Software modem for near field acoustic communication with antenna diversity technique

N. Shinmen, Takuya Aoki, T. Ebihara, N. Wakatsuki, K. Mizutani
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引用次数: 1

Abstract

Acoustic communication has broad utility for near field, device-to-device communication, since it utilizes the standard equipment; speaker and microphone. In this paper, a simple acoustic modem that enables communication using orthogonal frequency division multiplexing (OFDM) is focused on. In near-field acoustic communication, the effect of the environmental noise cannot be negligible. To achieve reliable communication, the modem is designed to use antenna diversity which utilizes multiple microphones. To confirm the effectiveness of the antenna diversity technique, simulation of acoustic communication using real channel data is performed. As a result, it was confirmed that the modem with the antenna diversity technique could achieve lower bit error rate (BER) than that without antenna diversity.
基于天线分集技术的近场声通信软件调制解调器
由于声学通信使用的是标准设备,因此在近场、设备对设备通信中具有广泛的实用性;扬声器和麦克风。本文重点研究了一种能够实现正交频分复用(OFDM)通信的简单声学调制解调器。在近场声通信中,环境噪声的影响是不可忽视的。为了实现可靠的通信,调制解调器采用了天线分集的方式,利用了多个传声器。为了验证天线分集技术的有效性,利用实际信道数据进行了声通信仿真。实验结果表明,采用天线分集技术的调制解调器比不采用天线分集技术的调制解调器具有更低的误码率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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