Invention Grant
US07941164B2 Satellite positioning system receiver utilizing broadcast doppler information 有权
卫星定位系统接收机利用广播多普勒信息

Satellite positioning system receiver utilizing broadcast doppler information
Abstract:
A cellular communicating device (10). The device comprises means (221) for communicating bi-directional data to and from a cellular transceiver station along a bi -directional channel (30S). The device also comprises means (222) for receiving SPS information. The device also comprises means (223) for receiving broadcast Doppler information from a source other than the bi-directional channel and an SPS system. Lastly, the device also comprises means (24) for determining a location fix of the electronic device in response to the SPS information and the broadcast Doppler information.
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