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    • 2. 发明授权
    • Power consumption control method and apparatus for a communication
system subscriber unit
    • 用于通信系统用户单元的功耗控制方法和装置
    • US5666355A
    • 1997-09-09
    • US624703
    • 1996-03-26
    • Jim J. HuahJohn KaewellKevin KinneyMark A. LemmoMichael W. RegensburgWilliam T. Vanderslice, Jr.David Vessal
    • Jim J. HuahJohn KaewellKevin KinneyMark A. LemmoMichael W. RegensburgWilliam T. Vanderslice, Jr.David Vessal
    • H04Q1/28H04B1/036H04B1/16H04B1/40H04B7/26H04M1/73H04M19/00H04M19/02H04W52/02H04B7/212H04J3/16
    • H04W52/0293H04B1/036H04B1/1615H04B1/40H04M19/02H04M1/73H04W52/0235H04W52/0283H04W52/029Y02B60/50
    • A subscriber unit of a time division multiple access (TDMA) radiotelephone system is, from a power consumption standpoint, reconfigured in each time slot of a TDMA frame to a power consumption tessellation in which subscriber unit circuit components not needed for communication signal processing in that time slot are powered down, and other components are powered up. Some circuit components are powered down by switching their power supply circuits. In order to minimize the extent of circuitry that must be provided to distribute power consumption control signals, other techniques (which utilize circuitry provided for other purposes), such as clock frequency control or power down commands, also are utilized to modify controlled circuit component power consumption without actually controlling power supply circuits. Loop connection length between the subscriber unit and the subscriber's telephone set, or other terminal equipment, is limited to a length which is much less than the length of a radio link on which the subscriber unit operates. Programmable ring frequency logic controls the frequency of a ringing signal generator, and a high frequency ring control signals switched on and off in the cadence of ringing operation. Also an expansion header is provided to enable serving plural subscriber loop circuits with the same radio equipment for reducing per line power consumption.
    • 从功耗观点来看,时分多址(TDMA)无线电话系统的用户单元在TDMA帧的每个时隙中被重新配置为功率消耗细分,其中不需要用户单元电路组件进行通信信号处理 时隙断电,其他组件通电。 某些电路组件通过切换其电源电路来断电。 为了最小化必须提供用于分配功率消耗控制信号的电路的程度,使用诸如时钟频率控制或掉电命令的其它技术(其利用为其他目的提供的电路)来修改受控电路组件功率 没有实际控制电源电路的消耗。 用户单元和用户的电话机或其他终端设备之间的环路连接长度被限制为远小于用户单元操作的无线电链路的长度的长度。 可编程振铃频率逻辑控制振铃信号发生器的频率,并且在振铃操作的节奏中开启和关闭高频环控制信号。 此外,还提供了一种扩展头,以使得能够使用相同的无线电设备为多个用户环路电路提供服务,以减少每线路的功耗。