Signal intensity-based multi-object positioning method in dynamic environment
A technology of signal strength and dynamic environment, applied in the field of wireless communication and computer science, to achieve the effect of improving positioning efficiency
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Such as figure 1 As shown, the positioning method of the present invention differs from the traditional wireless signal map mainly in the data stored in the database. The traditional wireless signal ground directly stores and collects signal strengths from various reference nodes in a wireless signal map. The invention processes the received signal strength, uses frequency diversity to separate line-of-sight distance signals from multipaths, stores them in a database, and establishes line-of-sight distance wireless signal maps.
[0026] Such as figure 2 As shown,. In multi-object positioning, multiple objects interact with each other, making it very difficult to use traditional wireless signal maps for positioning. The main reason is that it is unrealistic to list the combinations of different numbers of objects. This effect mainly comes fro...
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