Submitted on: 26 October 2015.
Revised on: 03 January 2016.
Accepted on: 20 January 2016.
___________________IEEE SIGNAL PROCESSING LETTERS
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Submitted on: 07 December 2017.
Revised on: 01 January 2018.
Accepted on: 07 February 2018.
___________________IEEE SIGNAL PROCESSING LETTERS
Submitted on: 08 December 2013.
Revised on: 19 February 2014.
Accepted on: 03 March 2014.
___________________IEEE SIGNAL PROCESSING LETTERS
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Submitted on: 22 June 2003.
Revised on: 24 August 2003.
Accepted on: 22 October 2003.
___________________IEEE SIGNAL PROCESSING LETTERS
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