Postprint version. Published in January 1, 2008, pages 349-381.
NOTE: At the time of publication, the author Vladimir Prodanov was not yet affiliated with Cal Poly.
Electrical and Computer Engineering
2008 Taylor & Francis.
This is an electronic version of an article published in Wireless Technologies: Circuits, Systems, and Devices. The definitive version is available at http://www.crcpress.com/product/isbn/0849379962.