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The papers in this book comprise the proceedings of the meeting mentioned on the cover and title page. Theyreflectthe authors´ opinion and, in the interests of timely dissemination, are published as presented and without change. Their inclusion in the publication does necessarily constitute endorsement by the Institute of Electrical and Electronics Engineers, Inc. (c) 2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to resue any copyrighted component of this work in other works must be obtained from the IEEE. IEEE Conference Registration Number-20982. IEEE Catalog Number: CFP1288T-ART. ISBN: 978-1-4673-4369-5.