Katsuhiko Sato Koichi Yagishita Michiaki Katsumoto Tetsuya Miki Peer-to-Peer Based Mobile Video On-Demand with Layered Video Distribution. 119-126 2007 CISIS http://dx.doi.org/10.1109/CISIS.2007.47 conf/cisis/2007 db/conf/cisis/cisis2007.html#SatoYKM07