Indoor positioning system and method based on hmm wifi and geomagnetic fusion
An indoor positioning and geomagnetic technology, which is applied in the directions of location information-based services, specific environment-based services, wireless communication, etc. question
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[0064] The specific implementation of the present invention will be further described below in conjunction with drawings and examples, but the implementation and protection of the present invention are not limited thereto. Realized or understood with reference to the prior art.
[0065] In this example, an indoor positioning system based on HMM wifi and geomagnetic fusion is as follows: figure 1 As shown, the system includes a mobile terminal and a server. Among them, the mobile terminal has a wifi sensor module, an orientation sensor, a geomagnetic sensor module, a wireless transmission module and a data storage module, generally a smart phone and a tablet computer, etc.; the server side is a device with advanced computing functions and data storage and a wireless transmission module. Generally, it is a PC, etc. The server can receive wifi data and geomagnetic data collected and sent by the mobile terminal through the wireless transmission module, and the server can establi...
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