基于稀疏贝叶斯学习的电力线载波通信接收机设计

针对多径信道和脉冲噪声对电力线载波通信系统性能影响的问题,提出了一种能有效对抗多径信道和脉冲噪声影响的电力线通信系统接收机设计方案。该方案将时域上的电力线信道参数和脉冲噪声联合视作稀疏向量,然后利用稀疏贝叶斯理论联合估计电力线信道和脉冲噪声,从而在接收端得以去除脉冲噪声及补偿信道增益。仿真结果表明,与传统将信道估计与脉冲噪声抑制单独考虑的传统接收机相比,本文提出的接收机方案在误符号率和误比特率等性能指标上有较好的提升。...

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Bibliographic Details
Published in电信科学 Vol. 33; no. 9; pp. 92 - 99
Main Authors 吕新荣, 李有明, 余明宸
Format Journal Article
LanguageChinese
Published 中国通信学会 01.09.2017
人民邮电出版社有限公司
浙江工商职业技术学院,浙江宁波315012%宁波大学信息科学与工程学院,浙江宁波,315211
宁波大学信息科学与工程学院,浙江宁波315211
Subjects
稀疏贝叶斯学习
脉冲噪声
信道估计
正交频分复用
电力线载波通信
power line carrier communication
channel estimation
orthogonal frequency division multiplexing
impulsive noise
sparse Bayesian learning
Online AccessGet full text
ISSN1000-0801
DOI10.11959/j.issn.1000-0801.2017196

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Abstract 针对多径信道和脉冲噪声对电力线载波通信系统性能影响的问题,提出了一种能有效对抗多径信道和脉冲噪声影响的电力线通信系统接收机设计方案。该方案将时域上的电力线信道参数和脉冲噪声联合视作稀疏向量,然后利用稀疏贝叶斯理论联合估计电力线信道和脉冲噪声,从而在接收端得以去除脉冲噪声及补偿信道增益。仿真结果表明,与传统将信道估计与脉冲噪声抑制单独考虑的传统接收机相比,本文提出的接收机方案在误符号率和误比特率等性能指标上有较好的提升。
AbstractList TN913; 针对多径信道和脉冲噪声对电力线载波通信系统性能影响的问题,提出了一种能有效对抗多径信道和脉冲噪声影响的电力线通信系统接收机设计方案.该方案将时域上的电力线信道参数和脉冲噪声联合视作稀疏向量,然后利用稀疏贝叶斯理论联合估计电力线信道和脉冲噪声,从而在接收端得以去除脉冲噪声及补偿信道增益.仿真结果表明,与传统将信道估计与脉冲噪声抑制单独考虑的传统接收机相比,本文提出的接收机方案在误符号率和误比特率等性能指标上有较好的提升.
针对多径信道和脉冲噪声对电力线载波通信系统性能影响的问题,提出了一种能有效对抗多径信道和脉冲噪声影响的电力线通信系统接收机设计方案。该方案将时域上的电力线信道参数和脉冲噪声联合视作稀疏向量,然后利用稀疏贝叶斯理论联合估计电力线信道和脉冲噪声,从而在接收端得以去除脉冲噪声及补偿信道增益。仿真结果表明,与传统将信道估计与脉冲噪声抑制单独考虑的传统接收机相比,本文提出的接收机方案在误符号率和误比特率等性能指标上有较好的提升。
Abstract_FL Aiming at the problem of the influence of multipath channel and impulse noise on the performance of power line carrier communication system,a transceiver scheme for power line communication system was proposed which could effectively combat the influence of multipath channel and impulse noise.Firstly,the power line channel impulse response and the impulsive noise in the time domain were jointly viewed as a sparse vector.Then,the sparse Bayesian learning theory was adopted to estimate the power line channel and impulse noise jointly.The impulse noise was removed and the channel gain was compensated at the receiver.The simulation result shows that the proposed receiver scheme has better performance than traditional receiver considering channel estimation and impulse noise suppression separately.
Author 吕新荣
余明宸
李有明
AuthorAffiliation 宁波大学信息科学与工程学院,浙江宁波315211;浙江工商职业技术学院,浙江宁波315012%宁波大学信息科学与工程学院,浙江宁波,315211
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Author_FL LV Xinrong
YU Mingchen
LI Youming
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DocumentTitle_FL Design of transceivers based on sparse Bayesian learning for power line carrier communications
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Keywords 稀疏贝叶斯学习
脉冲噪声
信道估计
正交频分复用
电力线载波通信
power line carrier communication
channel estimation
orthogonal frequency division multiplexing
impulsive noise
sparse Bayesian learning
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Publisher 中国通信学会
人民邮电出版社有限公司
浙江工商职业技术学院,浙江宁波315012%宁波大学信息科学与工程学院,浙江宁波,315211
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Title 基于稀疏贝叶斯学习的电力线载波通信接收机设计
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