Submitted on: 20 August 2007.
Revised on: 24 October 2007.
Accepted on: 08 December 2007.
___________________IEEE TRANSACTIONS ON COMMUNICATIONS
Submitted on: 18 March 2013.
Revised on: 20 April 2013.
Accepted on: 11 June 2013.
___________________IEEE TRANSACTIONS ON COMMUNICATIONS
Submitted on: 23 February 2000.
Revised on: 19 March 2000.
Accepted on: 15 May 2000.
___________________IEEE TRANSACTIONS ON COMMUNICATIONS
http://reply.papertrans.cn/2/120/11940/11940-34.png
Submitted on: 06 February 2001.
Revised on: 15 May 2001.
Accepted on: 07 July 2001.
___________________IEEE TRANSACTIONS ON COMMUNICATIONS
Submitted on: 03 September 2015.
Revised on: 18 October 2015.
Accepted on: 16 December 2015.
___________________IEEE TRANSACTIONS ON COMMUNICATIONS