Submitted on: 01 November 2007.
Revised on: 22 January 2008.
Accepted on: 21 February 2008.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
Submitted on: 20 February 2006.
Revised on: 24 May 2006.
Accepted on: 25 June 2006.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
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Submitted on: 25 December 2017.
Revised on: 10 April 2018.
Accepted on: 01 May 2018.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
Submitted on: 10 January 2006.
Revised on: 14 March 2006.
Accepted on: 06 April 2006.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
Submitted on: 02 March 2003.
Revised on: 05 April 2003.
Accepted on: 01 June 2003.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
Submitted on: 01 September 2005.
Revised on: 24 December 2005.
Accepted on: 03 February 2006.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
Submitted on: 10 June 2007.
Revised on: 11 September 2007.
Accepted on: 05 October 2007.
___________________Annals of Telecommunications---SPRINGER INT PUBL AG
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