| MIMO-OFDM用于提高矿井无线通信性能的研究 |
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| 引用本文： | 姚善化,吴先良. MIMO-OFDM用于提高矿井无线通信性能的研究[J]. 合肥工业大学学报(自然科学版), 2009, 32(4) |
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| 作者姓名： | 姚善化 吴先良 |
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| 作者单位： | 安徽大学,计算智能与信号处理教育部重点实验室,安徽,合肥,230039;安徽大学,计算智能与信号处理教育部重点实验室,安徽,合肥,230039 |
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| 摘 要： | 文章分析了矿井巷道的非自由空间传播特性,以及多径衰落对矿井无线移动通信可靠性的影响;从理论上研究了MIMO-OFDM技术在解决矿井巷道的多径衰落的可行性;讨论了能克服强相关信道影响的空时编码方案.仿真结果表明,采用MIMO系统,能极大地提高矿井无线通信系统的性能.
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| 关 键 词： | 矿井通信 多输入多输出 正交频分复用 多径衰落 空时编码 |
Study on utilizing MIMO-OFDM to improve performance of mine wireless communication |
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| YAO Shan-hua,WU Xian-liang. Study on utilizing MIMO-OFDM to improve performance of mine wireless communication[J]. Journal of Hefei University of Technology(Natural Science), 2009, 32(4) |
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| Authors: | YAO Shan-hua WU Xian-liang |
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| Affiliation: | Key Lab of Intelligent Computing and Signal Processing of the Ministry of Education;Anhui University;Hefei 230039;China |
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| Abstract: | In this paper,spread characteristics in mine laneways and the effect of multipath fading on wireless communication reliability in mine laneways are investigated.How to settle multipath fading through utilizing MIMO-OFDM is theoretically analyzed.The simulation results indicate that the performance of mine wireless communication is increased by utilizing MIMO-OFDM.The schemes based on space-time codes are discussed in order to overcome the impact of spatial strong correlation. |
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