Submitted on: 01 April 2001.
Revised on: 22 April 2001.
Accepted on: 22 May 2001.
___________________IEEE Internet of Things Journal
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Submitted on: 23 April 2007.
Revised on: 20 August 2007.
Accepted on: 29 September 2007.
___________________IEEE Internet of Things Journal
Submitted on: 19 November 2000.
Revised on: 04 February 2001.
Accepted on: 19 February 2001.
___________________IEEE Internet of Things Journal
Submitted on: 02 June 1999.
Revised on: 24 August 1999.
Accepted on: 27 September 1999.
___________________IEEE Internet of Things Journal
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Submitted on: 28 April 2001.
Revised on: 20 July 2001.
Accepted on: 24 August 2001.
___________________IEEE Internet of Things Journal
Submitted on: 10 August 1998.
Revised on: 30 October 1998.
Accepted on: 30 November 1998.
___________________IEEE Internet of Things Journal
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