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A novel single lag auto-correlation minimization (SLAM) algorithm for blind adaptive channel shortening

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conference contribution
posted on 14.12.2009 by Rab Nawaz, Jonathon Chambers
A blind adaptive channel shortening algorithm based on minimizing the sum of the squared autocorrelations (SAM) of the effective channel was recently proposed. We submit that identical channel shortening can be achieved by minimizing the square of only a single autocorrelation. Our proposed single lag autocorrelation minimization (SLAM) algorithm has, therefore, very low complexity and also it does not require, a priori, the knowledge of the length of the channel. We also constrain the autocorrelation minimization with a novel stopping criterion so that the shortening signal to noise ratio (SSNR) of the effective channel is not minimized by the autocorrelation minimization. The simulations have shown that SLAM achieves higher bit rates than SAM.

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School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

NAWAZ, R., and CHAMBERS, J.A., 2005. A novel single lag auto-correlation minimization (SLAM) algorithm for blind adaptive channel shortening. IN: Proceedings of 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2005), Philadelphia, Pennsylvania, USA, 18-23 March, Vol.3, pp. 885-888.

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© IEEE

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VoR (Version of Record)

Publication date

2005

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ISBN

0780388747

Language

en

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