Giovanni Giambene, Yuming Jiang, Boon Sain Yeo, Rajeev Shorey: Proceedings of the 2009 6th International Symposium on Wireless Communication Systems, ISWCS 2009, 7-10 September 2009, University of Siena, Tuscany, Italy. IEEE 2009, ISBN 978-1-4244-3584-5