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    • 1. 发明授权
    • Method and system for providing a handoff from a CDMA cellular telephone system
    • 用于从CDMA蜂窝电话系统提供切换的方法和系统
    • US06240292B1
    • 2001-05-29
    • US09447433
    • 1999-11-23
    • Michael HabermanGlenn Pierson
    • Michael HabermanGlenn Pierson
    • H04Q720
    • H04W36/0066H04W36/30H04W48/12H04W56/00
    • 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.
    • 提供了从蜂窝电信网络的CDMA部分转移到网络的模拟部分的移动台的移动辅助切换作为位于网络的模拟部分中的每个模拟小区处的CDMA导频信号发射机的功能。 移动台监视从每个CDMA小区和蜂窝电信网络的每个模拟小区发送的CDMA导频信号,测量每个接收到的CDMA导频信号的信号强度,并向MTSO发送信号强度。 MTSO确定导频信号是否与CDMA基站或模拟基站相关联。 当移动站从信号强度大于第一预定阈值的模拟小区接收导频信号,并且移动台当前正在通信的CDMA基站的所有导频信号的接收信号强度低于第二预定阈值 ,MTSO将CDMA转发到模拟切换消息给移动台。
    • 3. 发明授权
    • Method and system for providing a handoff from a CDMA cellular telephone
system
    • 用于从CDMA蜂窝电话系统提供切换的方法和系统
    • US6035197A
    • 2000-03-07
    • US366352
    • 1994-12-29
    • Michael HabermanGlenn Pierson
    • Michael HabermanGlenn Pierson
    • H04W36/14H04W36/30H04W56/00H04Q7/20
    • H04W36/0066H04W36/30H04W48/12H04W56/00
    • 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.
    • 提供了从蜂窝电信网络的CDMA部分转移到网络的模拟部分的移动台的移动辅助切换作为位于网络的模拟部分中的每个模拟小区处的CDMA导频信号发射机的功能。 移动台监视从每个CDMA小区和蜂窝电信网络的每个模拟小区发送的CDMA导频信号,测量每个接收到的CDMA导频信号的信号强度,并向MTSO发送信号强度。 MTSO确定导频信号是否与CDMA基站或模拟基站相关联。 当移动站从信号强度大于第一预定阈值的模拟小区接收导频信号,并且移动台当前正在通信的CDMA基站的所有导频信号的接收信号强度低于第二预定阈值 ,MTSO将CDMA转发到模拟切换消息给移动台。