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题名: BER Performance Improvement for the Band-edge Subcarriers of a LTE System
作者: Chi-Min Li;Jia-Hong Lai
贡献者: 國立臺灣海洋大學:通訊與導航工程學系
日期: 2014
上传时间: 2017-01-25T08:10:41Z
出版者: Information Science, Electronics and Electrical Engineering (ISEEE)
摘要: Abstract: To decode the received symbols correctly, it is an important issue for the receiver to estimate the channel response perfectly. OFDM system adds the Virtual Subcarriers (VSs) or Guard Band (GB) to avoid the adjacent channel interference during signal transmission. However, these VSs will result in the Gibbs phenomenon for the channel estimation at the band-edge subcarriers and degrade the Bit Error Rate (BER) performance. In this paper, we proposed a modified RLS channel estimation method to ease the Gibbs phenomenon. Results show that the proposed method has a better BER improvement at the band-edge subcarriers compared with other related literary methods.
显示于类别:[通訊與導航工程學系] 演講及研討會


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