Submitted on: 27 October 2015.
Revised on: 16 December 2015.
Accepted on: 30 December 2015.
___________________IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
Submitted on: 01 April 2008.
Revised on: 23 July 2008.
Accepted on: 04 August 2008.
___________________IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
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http://reply.papertrans.cn/2/119/11831/11831-24.png
Submitted on: 29 January 2014.
Revised on: 05 May 2014.
Accepted on: 20 May 2014.
___________________IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
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http://reply.papertrans.cn/2/119/11831/11831-27.png
Submitted on: 13 June 2013.
Revised on: 25 July 2013.
Accepted on: 08 August 2013.
___________________IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
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Submitted on: 15 November 1998.
Revised on: 10 December 1998.
Accepted on: 10 January 1999.
___________________IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS