| 企业宽带技术中OFDM关键技术应用与研究 |
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| 引用本文： | 蒋华勤.企业宽带技术中OFDM关键技术应用与研究[J].煤炭技术,2011,30(8). |
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| 作者姓名： | 蒋华勤 |
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| 作者单位： | 黄河科技学院,郑州,450063 |
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| 摘 要： | 随着高速数据传输领域的不断增长,正交频分复用(OFDM)已成为通信领域中的一个研究热点。介绍了企业宽带技术发展OFDM系统的基本理论知识,并且对OFDM系统中的同步技术和信道评估技术进行了详细讨论,最后采用Xilnx的FPGA实现了其功能,完成了电路验证,实现了OFDM链路的联通,完全能满足OFDM系统性能。
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| 关 键 词： | 宽带技术 OFDM系统 同步技术 信道估计 FFT FPGA |
OFDM Key Technology Research of Fourth Generation Mobile Communication System |
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| JIANG Hua-qin.OFDM Key Technology Research of Fourth Generation Mobile Communication System[J].Coal Technology,2011,30(8). |
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| Authors: | JIANG Hua-qin |
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| Affiliation: | JIANG Hua-qin (Yellow River Institute of Technology,450063,China) |
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| Abstract: | As the field of high-speed data transmission is growing,orthogonal frequency division multiplexing(OFDM) has became research hot spot of the communication field.This article describes the basic theoretical knowledge of OFDM systems,and discuss synchronization and channel evaluation techniques of OFDM systems in detail.finally achieved functionality by xilnx the FPGA,complete the circuit verification,achieve the OFDM link contact,can meet the OFDM system performance. |
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| Keywords: | OFDM system synchronization techniques channel estimation fast fourier transform algorithm field programmable gata array |
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