a spread-spectrum technique used with Ku-band satellites to provide mobile data, to truckers for example. CDMA provides benefits under multipath conditions. Also, the IS-95 digital PCS cellular standard in the USA.
Technique that spreads a signal over a frequency band that is larger than the signal to gain interface immunity; users transmit different spreading codes over a communications channel.
A digital spread-spectrum wireless technology championned by Qualcomm and used in its digital phones, including the forthcoming pdQ smart phones. The next generation, still under development, is called third generation (3G) and will have enough bandwidth for tasks like videoconferencing.