Patent ID: 6101176
Filing Date: 2000-08-08
Classification: H04B,H04L,H04W

Abstract:
An indoor CDMA communication system operable within the coverage area of an outdoor communication system, the outdoor communication system using an uplink frequency band for uplinking signals and a downlink frequency band for downlinking signals, the indoor CDMA communication system comprising:at least one mobile station transceiver;an indoor base station transceiver operating transparently within the coverage area of the outdoor communication system, the indoor base station transceiver comprising:monitoring means for periodically monitoring the uplink frequency band and the downlink frequency band;means for determining a plurality of candidate frequencies on one of either the uplink frequency band or the downlink frequency band based upon a pre-determined acceptable interference level;means for selecting one candidate frequency from said plurality of candidate frequencies for use in bi-directional communication between said indoor base station transceiver and said at least one mobile station transceiver.