Performance Improvement analysis of Acoustic Communication System using Receive Diversity

Title & Authors
Performance Improvement analysis of Acoustic Communication System using Receive Diversity
Bok, Jun-Yeong; Ryu, Heung-Gyoon;

Abstract
Acoustic communication system is a transmission technology sending sound and data simultaneously. However, data signal can be audible in this system when data is transmitted with high transmission power. The more transmission power is reduced, the more distance that can transmit data is shortened. Therefore, the study that increase the transmission distance is needed. In this paper, we would like to increase transmission distance by adapting receive diversity in acoustic communication system. We measure received performance of both proposed system and Single Input Sing Output (SISO) system according to distance with same transmission power. When SISO satisfies Bit Error Rate (BER) of $\small{7{\times}10^{-3}}$ at about 2m, Selection Combining (SC) technique satisfies 2 meters, and Equal Gain Combining (EGC) technique satisfies 4 meters.
Keywords
Acoustic OFDM;OFDM;Diversity;Audio;SIMO;
Language
Korean
Cited by
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