多天线阵列的矿井超宽带无线通信系统

doi:10.3969/j.issn.0255-8297.2014.04.004

Abstract

Abstract: This paper applies the multi-input multi-output (MIMO) antenna technology to improve the bit error rate (BER) performance of ultra wideband (UWB) systems for underground coal mines. The multipath propagation environment in coal mines is studied. UWB transceivers using single-input single-output (SISO)antennas and their BER performance are analyzed. Feasibility of using MIMO for anti-multipath fading in coal mines is studied theoretically. With the transmission energy and the receiver structure unchanged, a MIMOUWB based space-time coding/decoding scheme is developed by just increasing the number of transmission antennas. Simulation results show that the MIMO-UWB space-time coding/decoding scheme can achieve 35 dB BER performance gain in various coal mine environments as compared with traditional SISO-UWB systems.

Key words: underground coal mines, ultra wideband (UWB), space-time coding/decoding, bit error rate (BER)

CLC Number:

TN911.73

ZHANG Guo-peng, LIU Peng, DING En-jie. A MIMO-UWB Communication System for Coal Mines[J]. Journal of Applied Sciences, 2014, 32(4): 357-364.

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URL: https://www.jas.shu.edu.cn/EN/10.3969/j.issn.0255-8297.2014.04.004

https://www.jas.shu.edu.cn/EN/Y2014/V32/I4/357

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A MIMO-UWB Communication System for Coal Mines

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