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Wireless local messaging system and method of determining a position of a navigation receiver within a wireless local messaging system
Wireless local messaging system and method of determining a position of a navigation receiver within a wireless local messaging system
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机译:无线本地消息传递系统和确定导航接收机在无线本地消息传递系统内的位置的方法
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摘要
A wireless local messaging system includes a transmitter transmitting a local message to a navigation receiver configured to receive and process navigation messages from satellites of a global navigation satellite system on a given carrier frequency, each of the satellites transmitting the navigation messages with a satellite-individual PRN code. The transmitter transmits the local message in a local message signal on the given carrier frequency with a local PRN code that is not used by a satellite of the global navigation satellite system, and the receiver receives the local PRN code and processes the local message signal.
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