Method and system for providing a handoff from a CDMA cellular t

Details Method and system for providing a handoff from a CDMA cellular t Method and system for providing a handoff from a CDMA cellular t

1994-12-29

2000-03-07

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455432, 455436, 370331, H04Q 720

Patent

active

060351977

ABSTRACT:
A mobile assisted handoff of a mobile station transitioning from a CDMA portion of a cellular telecommunication network to an analog portion of the network is provided as a function of a CDMA pilot signal transmitter located at each analog cell in the analog portion of the network. The mobile station monitors a CDMA pilot signal transmitted from each CDMA cell and each analog cell of the cellular telecommunication network, measures the signal strength of each received CDMA pilot signal and transmits the signal strength to the MTSO. The MTSO determines whether the pilot signal is associated with a CDMA base station or an analog base station. When the mobile station receives a pilot signal from an analog cell whose signal strength is above a first predetermined threshold and the received signal strengths of all pilot signals of the CDMA base stations with which the mobile station is currently in communication are below a second predetermined threshold, the MTSO directs a CDMA to analog handoff message to the mobile station.

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