Submitted on: 22 January 2008.
Revised on: 10 March 2008.
Accepted on: 04 April 2008.
___________________IEEE SIGNAL PROCESSING MAGAZINE
Submitted on: 24 August 2020.
Revised on: 26 October 2020.
Accepted on: 21 December 2020.
___________________IEEE SIGNAL PROCESSING MAGAZINE
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Submitted on: 14 February 2005.
Revised on: 07 April 2005.
Accepted on: 26 April 2005.
___________________IEEE SIGNAL PROCESSING MAGAZINE
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