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Multiuser detection using simulated annealing Hopfield neural network for DS-UWB systems

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4 Author(s)
Yung-Cheng Yao ; Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chiayi, Taiwan ; Chia-Hsin Cheng ; Guo-Jun Wen ; Jyh-Horng Wen

The authors introduced the simulated annealing Hopfield neural network and applied it to multiuser detection in direct sequence-ultra-wideband (DS-UWB) systems in this paper. The conventional HNN algorithm may converge easily to local minimum. In order to solve this problem, the authors proposed modified HNN based on simulated annealing (SA) method which can avoid local minimum problem. From simulation results, the HNN detector based on SA method provided an attractive performance. The HNN detector based on SA method could be implemented easily on hardware circuit in the multiuser DS-UWB systems.

Published in:

Machine Learning and Cybernetics (ICMLC), 2011 International Conference on  (Volume:2 )

Date of Conference:

10-13 July 2011