Keiji Hirata Yasunori Harada Toshihiro Takada Shigemi Aoyagi Yoshinari Shirai Naomi Yamashita Katsuhiko Kaji Junji Yamato Kenji Nakazawa t-Room: Next Generation Video Communication System. 5536-5539 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.1058 conf/globecom/2008 db/conf/globecom/globecom2008.html#HirataHTASYKYN08