2008 IEEE Antennas and Propagation Society International Symposium Antennas and Propagation Society International Symposium, 2008. AP-S 2008. IEEE. :1-4 Jul, 2008
2007 Second International Conference on Communications and Networking in China Communications and Networking in China, 2007. CHINACOM '07. Second International Conference on. :609-613 Aug, 2007