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Spread-spectrum ,OFDM and their applications in high data rate PLC
Author(s): 
Pages: 17-20
Year: Issue:  11
Journal: JOURNAL OF NATIONAL BUREAU OF MACHINE BUILDING INDUSTRY,P.R.C.

Keyword:  电力线通信扩频通信OFDM;
Abstract: 扩频通信和OFDM调制技术均具有一定的抗干扰和抗多径效应能力,是电力线通信中比较理想的调制方式.文中介绍了两种调制技术的基本原理,分析了其在电力线通信中应用的优越性.最后从通信可靠性和实现经济性角度对两种技术进行比较分析,指出在1Mbps通信系统中选用扩频通信,10Mbps系统中选用OFDM调制技术比较适宜.
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