Submitted on: 31 August 2003.
Revised on: 19 November 2003.
Accepted on: 01 January 2004.
___________________IEEE Wireless Communications Letters
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Submitted on: 24 November 2016.
Revised on: 15 March 2017.
Accepted on: 29 March 2017.
___________________IEEE Wireless Communications Letters
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Submitted on: 24 June 2018.
Revised on: 13 October 2018.
Accepted on: 03 November 2018.
___________________IEEE Wireless Communications Letters
Submitted on: 19 August 2010.
Revised on: 24 September 2010.
Accepted on: 18 November 2010.
___________________IEEE Wireless Communications Letters
Submitted on: 27 January 2011.
Revised on: 21 April 2011.
Accepted on: 05 May 2011.
___________________IEEE Wireless Communications Letters
Submitted on: 01 December 2018.
Revised on: 31 January 2019.
Accepted on: 11 February 2019.
___________________IEEE Wireless Communications Letters
Submitted on: 17 November 2004.
Revised on: 26 December 2004.
Accepted on: 06 January 2005.
___________________IEEE Wireless Communications Letters