GNSS receiver and method for operating multiple base stations at the same frequency
A receiver and reference station technology, applied in the field of global satellite navigation surveying and mapping, can solve the problems of small number of transmission channels, limited, unable to carry out normal measurement, etc., to achieve the effect of avoiding mutual interference
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Embodiment 1
[0026] This embodiment discloses a GNSS receiver, including a wireless communication module and a central processing unit, the central processing unit is used to receive and send differential correction data through the wireless communication module, and the central processing unit divides the same period into different times interval, and the time interval corresponds to the index number in the differential correction data one by one, and the GNSS receiver transmits the differential correction data or receives the differential correction data within the corresponding time interval. The wireless communication module includes the network module and the radio module. There are two ways for the user to choose. When using the GNSS receiver, the user can set the base station and the mobile station according to their own needs, and set it as the base station. It is mainly used for long-term continuous observation of satellite navigation signals, and the observation data is transmitte...
Embodiment 2
[0029] At present, in the field of surveying and mapping, the main technical means of transmitting differential correction data through radio stations is that only one base station is allowed to broadcast differential data in the same frequency band and cycle. Under normal circumstances, there will be no conflicts. Because the distance of the base station to transmit data is also limited, so When different construction teams need to measure, in most cases they will be outside the transmission distance. Generally, it is rare to set up two or more base stations. Even if they do, most of them are the construction party themselves To negotiate the use period, so as to complete the measurement of instrument data. In the case of long-term observation and in-depth customer demand, the applicant has learned that there may be such problems. In order to improve efficiency, the applicant thinks and develops the following methods to carry out multiple operations at the same frequency. bas...
Embodiment 3
[0039] Embodiment 3 discloses a readable computer storage medium, which is used to store a program, and when the program is executed by a processor, the method for operating multiple reference stations at the same frequency in Embodiment 2 is realized.
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