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12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK)

Fuzhou,China,11.1-11.3，2010

ISBN: 978-1-935068-23-5 Scientific Research Publishing, USA

E-Book 660pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $120

Title: A Novel Ultra Wide-Band Channel Estimation Algorithm
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 389-391)
Author(s): Hong-shun Zhang, Chongqing Communication Institute, Chongqing 400035, China
Lei Wang, Chongqing Communication Institute, Chongqing 400035, China
Hu Li, Chongqing Communication Institute, Chongqing 400035, China
Xian-yu Zhang, Chongqing Communication Institute, Chongqing 400035, China
Abstract: In Multi-Band OFDM (MB OFDM) systems, most existing channel estimation algorithms hadn’t exploited the sparsity of UWB channel, which adds the estimation error. A novel channel estimation algorithm is proposed based on the sparsity of the channel. Firstly, the channel order is estimated exploiting the generalized Akaike information criterion (GAIC) criterion. Then a cost function is established to detect the positions of nonzero taps. Finally the channel can be estimated. Simulation results confirm the excellent performance of our method.
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