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A novel fast algorithm of channel estimate

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5 Author(s)
Lin Gui ; Inst. of Inf. & Commun. Eng., Zhejiang Univ., Hangzhou, China ; Zhi Yong Zou ; Bing Sheng Wu ; Peiliang Qiu
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In a digital terrestrial broadcasting environment, since the channel characteristic may be severely distorted due to multipath interference, there is a need for an equalizer to counteract the interference. The equalizer algorithm has to meet two performance requirements: fast convergence capability and low noise enhancement. This paper proposes a simple, fast and efficient channel estimate algorithm used for the equalizer. Simulation results prove that an equalizer with the proposed algorithm can combat multipath of 0 dB magnitude and low noise enhancement. The proposed algorithm has low hardware complexity, and has a prospective application in VSB receivers in digital television terrestrial broadcasting (DTTB)

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Consumer Electronics, IEEE Transactions on  (Volume:47 ,  Issue: 4 )