Methods and apparatuses for establishing time at a first basestation, and
synchronizing the first basestation with other basestations in a cellular
network. The method may be performed using a mobile (cellular
communication) station that includes a satellite position system
receiver. One method comprises determining a location of the mobile
station, determining a time indicator that represents a time-of-day at
the mobile station, wherein the time indicator is determined relative to
a signal available at the first basestation, transmitting at least one of
the position information and location, and transmitting the time
indicator from the mobile station. The time indicator and at least one of
the position information and the location are used to establish a time at
the first basestation such that the first basestation is synchronized to
other basestations in the cellular communication system. Other methods
and apparatuses are also described for synchronizing basestations in a
cellular network.