False satellite sub-decimeter level indoor position location system and carrier phase positioning method thereof

Abstract

The invention relates to an apparatus using GPS techniques of the global position satellite system and a carrier phase location method thereof, in particular to a hardware and software design techniques based on navigational satellite signal of the global position satellite system; the invention is applied in a pseudosateilite indoor position system with sub-decimeter level mainly of the situations in which GPS satellite signal of the global position satellite system cannot be received indoors, as well as a carrier phase location method thereof. The system at least comprises a personal computer of a master control station and a consultation receiver, etc, and the indoor position system that is integrated by all apparatuses. The method is realized by the way of carrier phase location, and mainly resolves the related technological problems of the hardware and software implementation of pseudosateilite and the layout of indoor pseudosateilite, etc. The invention has the advantages that the system and the method can achieve autonomous navigation in a closed region, which are suitable for the situations in which ethereal GPS satellite signal cannot be received indoors but the location result with higher precision is required and so on, and has the advantages of convenient use, simple and effective control, etc.

Description

technical field [0001] The invention relates to a GPS (Global Positioning System) technology, in particular to a GPS navigation satellite signal based on the Global Satellite Positioning System, a GPS receiver positioning terminal of the Global Satellite Positioning System, satellite navigation carrier phase measurement technology and field programmable Gate array FPGA (Field Programmable Gate Array) hardware circuit design and embedded soft-core technology are mainly used in occasions such as indoors where the GPS satellite signal of the global satellite positioning system in the sky cannot be obtained and high-precision positioning results are required. It belongs to global positioning and A pseudolite high-precision sub-decimeter-level indoor positioning system and its carrier phase positioning method in the field of monitoring technology. Background technique [0002] Pseudo-satellite high-precision sub-decimeter-level indoor positioning technology cleverly uses the exis...

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Problems solved by technology

[0005] The technical problem to be solved in the present invention is: for the requirement of high-precision positioning in the indoor area, the main technical problems to be solved are: the hardware realization problem of the pseudolite; the layout problem of the pseudolite indoor; Solve the problem of how to obtain high-precision positioning results through the entire hardware system; solve how to use pure pseudolite to build a system to achieve indoor positioning; solve how to use the main control station PC and pseudolite baseband signal generator The problem of communication protocol between them; solve the problem of how to use the measured value of carrier phase to estimate the time-satellite double-difference model method; solve the problem of how to use two-dimensional coordinate positioning to solve the algorithm problem; solve how to use the reference receiver to receive for the user Problems related to the processing method of the computer-made differential correction data and how to use the reference receiver to store and search the reference data to achieve positioning and other related technical issues

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