Method and system for cooperatively locating heterogeneous network based on WLAN and WSN
A heterogeneous network and collaborative positioning technology, applied in the field of communication, can solve the problems that the reliability and stability are greatly affected by environmental factors, and the positioning accuracy of WSN is not high, so as to achieve the effects of improving anti-interference ability, fast and accurate positioning, and reducing costs
Inactive Publication Date: 2014-01-01
MAIPU COMM TECH CO LTD
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The invention discloses a method and system for cooperatively locating a heterogeneous network based on WLAN and a WSN. The method comprises the following steps that a WLAN and WSN mixed locating system for the heterogeneous network is built in a locating area; N sets of data closest to the sampling information of a node to be measured are selected through a WLAN locating technology; the position of the node to be measured is estimated based on a WSN locating technology; cooperative locating is carried out through the WLAN and the WSN, the data selected through the WLAN technology are compared with estimation coordinates in the WSN locating technology, and the set of closest position information is selected as the final estimation position of the node to be measured. According to the method and the system, the advantages that WSN networking is flexible and WLAN network transmission speed is high are effectively combined, all technical defects are avoided, through the existing WLAN, the existing WSN and the designed network fusion algorithm, locating precision is obviously improved, and meanwhile signal flying value points caused by a complex and changeable environment can be removed.
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