"Hiroya Tanaka,Jun-ichi Takada,Atsushi Honda,Sorwar Hossain,Ichirou Ida,Yasuyuki Oishi","BER Performance of Planar ESPAR Antennas in 2�~2 MIMO Transmission in an Office Environment","2007 International Symposium on Antennas and Propagation (ISAP 2007)",,,,,"pp. 1374-1377",2007,Aug.