发明名称 Time synchronisation for mobile systems.
摘要 A method of maintaining time synchronisation of a mobile terminal, of a telecommunications network, said mobile terminal having high speed and low speed clocks, in a deep sleep mode, comprising: when a deep sleep mode is entered, making an initial measurement to establish a frequency relationship between the high speed and low speed clocks, entering a deep sleep mode in which the high speed clock is deactuated, and updating said correlation based on the time of arrival of paging blocks, timed by the low speed clock.
申请公布号 EP1162752(A1) 申请公布日期 2001.12.12
申请号 EP20000401642 申请日期 2000.06.09
申请人 MOTOROLA, INC. 发明人 ABDESSELEM, OUELID;BUSSAN, CHRISTOPHER;BRANDT, STEVEN
分类号 H04B7/26;H04B1/16;H04W52/02 主分类号 H04B7/26
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