Wireless local messaging system and method of determining a position of a navigation receiver within a wireless local messaging system

摘要

In the petite person's transmitter of wireless local message system attack and at least one receiver, at least one described transmitter transmits local message at least one described receiver, at least one described receiver navigation neceiver is configured to receive and handle the given carrier frequency of the satellite navigation message from Global Navigation Satellite System, the transmission of each satellite navigation message and each PRN code of satellite, at least one described transmitter is configured as transmitting the local message signal of the local message in the signal of given carrier frequency and local PRN code not by the satellite of the Global Navigation Satellite System, at least one described receiver, it is configured as receiving the local PRN code and handles the local message signal.