Calling channel in a cdma communications system

H - Electricity – 04 – J

Patent

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Details

H04J 13/00 (2006.01) H04B 7/26 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2111229

A Code Division Multiple Access (CDMA) communication system which contains a calling channel which is used to inform silent mobiles that they are being called. In the system, the calling channel is chosen to be the strongest overlapping signal so that it reaches mobiles which are located on the cells extreme boundaries. The interference other signals experience because they overlap with the calling channel may be avoided by having the mobiles first demodulate the calling channel signal and then substract it out before demodulating their own signal.

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