To decrease the number of base stations transmitting when a mobile station is connected to a plurality of base stations during handover and to let a base station having the best reception quality perform transmission so as to decrease interference in downlink and increase the link capacity. A mobile...http://www.google.com.hk/patents/US7308015?utm_source=gb-gplus-share專利 US7308015 - Mobile communication control method, cellular system, mobile station, base station, and base station control apparatus