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Submitted on: 14 April 2004.
Revised on: 15 June 2004.
Accepted on: 09 July 2004.
___________________IEEE Antennas and Wireless Propagation Letters
Submitted on: 02 November 2011.
Revised on: 07 February 2012.
Accepted on: 21 March 2012.
___________________IEEE Antennas and Wireless Propagation Letters
Submitted on: 11 March 2009.
Revised on: 28 April 2009.
Accepted on: 18 May 2009.
___________________IEEE Antennas and Wireless Propagation Letters
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Submitted on: 17 September 2002.
Revised on: 24 November 2002.
Accepted on: 21 January 2003.
___________________IEEE Antennas and Wireless Propagation Letters
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Submitted on: 04 November 2023.
Revised on: 19 December 2023.
Accepted on: 30 January 2024.
___________________IEEE Antennas and Wireless Propagation Letters
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