A mobile wireless transceiver selects one of multiple nearby base stations to facilitate communication over a wireless network. Each base station transmits a pilot signal that includes a spreading signal transmitted at one of many possible phase offsets. The wireless transceiver selects an initial one...http://www.google.de/patents/US6351486?utm_source=gb-gplus-sharePatent US6351486 - Accelerated selection of a base station in a wireless communication system
