Wireless Channel Identification Algorithm Based on Feature Extraction and BP Neural Network

Dengao Li*, Gang Wu, Jumin Zhao, Wenhui Niu and Qi Liu
Volume: 13, No: 1, Page: 141 ~ 151, Year: 2017
10.3745/JIPS.03.0063
Keywords: BP Neural Network, Channel Identification, Feature Extraction, Wireless Communication
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Abstract
Effective identification of wireless channel in different scenarios or regions can solve the problems of multipath interference in process of wireless communication. In this paper, different characteristics of wireless channel are extracted based on the arrival time and received signal strength, such as the number of multipath, time delay and delay spread, to establish the feature vector set of wireless channel which is used to train backpropagation (BP) neural network to identify different wireless channels. Experimental results show that the proposed algorithm can accurately identify different wireless channels, and the accuracy can reach 97.59%.

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Cite this article
IEEE Style
Dengao Li*, Gang Wu, Jumin Zhao, Wenhui Niu, and Qi Liu, "Wireless Channel Identification Algorithm Based on Feature Extraction and BP Neural Network," Journal of Information Processing Systems, vol. 13, no. 1, pp. 141~151, 2017. DOI: 10.3745/JIPS.03.0063.

ACM Style
Dengao Li*, Gang Wu, Jumin Zhao, Wenhui Niu, and Qi Liu, "Wireless Channel Identification Algorithm Based on Feature Extraction and BP Neural Network," Journal of Information Processing Systems, 13, 1, (2017), 141~151. DOI: 10.3745/JIPS.03.0063.