A multiple access, spread-spectrum communication system processes a plurality of information signals received by a Radio Carrier Station (RCS) over telecommunication lines for simultaneous transmission over a radio frequency (RF) channel as a code-division-multiplexed (CDM) signal to a group of Subscriber...http://www.google.de/patents/US6157619?utm_source=gb-gplus-sharePatent US6157619 - Code division multiple access (CDMA) communication system
Code division multiple access (CDMA) communication system
