Mayumi Osato Hiroyuki Kobashi Robert Y. Omaki Takao Hara Minoru Okada Signal Canceller in the Carrier Super-positioning Satellite Networks. 68-76 2007 2 JCM 7 http://www.academypublisher.com/jcm/vol02/no07/jcm02076876.html db/journals/jcm/jcm2.html#OsatoKOHO07