Submitted on: 29 August 2003.
Revised on: 11 December 2003.
Accepted on: 06 January 2004.
___________________IEEE MICROWAVE MAGAZINE---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Submitted on: 06 June 2005.
Revised on: 24 July 2005.
Accepted on: 28 August 2005.
___________________IEEE MICROWAVE MAGAZINE---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Submitted on: 02 March 2005.
Revised on: 06 June 2005.
Accepted on: 17 July 2005.
___________________IEEE MICROWAVE MAGAZINE---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
http://reply.papertrans.cn/2/119/11841/11841-35.png
Submitted on: 16 August 1998.
Revised on: 10 September 1998.
Accepted on: 06 October 1998.
___________________IEEE MICROWAVE MAGAZINE---IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC