Invention Grant
US08437749B2 Method, system, and apparatus for network time and date determination 有权
网络时间和日期确定的方法,系统和设备

Method, system, and apparatus for network time and date determination
Abstract:
A wireless device searches for a network to establish a connection, and, when a network is found, the wireless device attempts to establish a connection. The wireless device receives a PLMN code from the network. The wireless device receives the current GMT time from a GPS satellite. The wireless device determines the time zone that the wireless device is located in using the PLMN code. The wireless device determines the daylight saving time settings using the PLMN code and/or the GMT time. The wireless device determines the current time and date for the present location of the wireless device using the received GMT time and the determined time zone and day light saving time settings. The wireless device is updated to reflect the current time, date, time zone, and daylight saving settings.
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