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摘要:
In this paper pilot based channel estimation is being considered for broadband power line communication (BPLC) networks witch used orthogonal frequency division multiplexing (OFDM) in order to transmit high rate data. To estimate channel in time or frequency some pilot must be used. Number of these pilots and deployment of them is very important for proper estimation in different channel with varying time and frequency. Carrier sense multiple access (CSMA) and hybrid multiple access protocol are taken into consideration in MAC sub-layer. Multilayered perceptions neural network with backpropagation (BP) learning channel estimator algorithm with different pilot deployment compare to classic algorithm in for channel estimating. Simulation results show the proposed neural network estimation decreases bit error rate and therefore network throughput increases.
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篇名 Pilot Based Channel Estimation in Broadband Power Line Communication Networks
来源期刊 通讯与网络(英文) 学科 工学
关键词 BPLC BACK-PROPAGATION NEURAL Network (BPNN) CHANNEL Estimation PILOT THROUGHPUT
年,卷(期) 2012,(3) 所属期刊栏目
研究方向 页码范围 240-247
页数 8页 分类号 TN91
字数 语种
DOI
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研究主题发展历程
节点文献
BPLC
BACK-PROPAGATION
NEURAL
Network
(BPNN)
CHANNEL
Estimation
PILOT
THROUGHPUT
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
通讯与网络(英文)
季刊
1949-2421
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
427
总下载数(次)
0
总被引数(次)
0
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