Positioning Method and Wireless Communication System Using the Same

Abstract

A positioning method is disclosed. The positioning method includes providing a reference information comprising a plurality of predetermined RSSI values corresponding to a plurality of directional antennas receiving signals from a plurality of areas, utilizing the plurality of directional antennas to scan and detect a wireless communication device, calculating a plurality of RSSI values corresponding to the wireless communication device for the plurality of directional antennas, comparing the plurality of detected RSSI values with the reference information to generate a comparison result, and determining a location position of the wireless communication device according to the comparison result.

What is claimed is: 
     
         1 . A positioning method, comprising:
 providing a reference information comprising a plurality of predetermined received signal strength indication (RSSI) values corresponding to a plurality of directional antennas receiving signals from a plurality of areas;   utilizing the plurality of directional antennas to scan and detect a wireless communication device;   calculating a plurality of RSSI values corresponding to the wireless communication device for the plurality of directional antennas;   comparing the plurality of detected RSSI values with the reference information to generate a comparison result; and   determining a location position of the wireless communication device according to the comparison result.   
     
     
         2 . The positioning method of  claim 1 , wherein the step of providing the reference information comprising the plurality of predetermined RSSI values corresponding to the plurality of directional antennas receiving signals from a plurality of areas comprising:
 for each of the plurality of directional antenna, detecting and calculating a corresponding predetermined RSSI value during receiving signals from one of the plurality of areas; and   determining all of the predetermined RSSI values calculated for the plurality of areas to be the reference information.   
     
     
         3 . The positioning method of  claim 1 , wherein the step of calculating the plurality of RSSI values corresponding to the wireless communication device for the plurality of directional antennas comprises respectively calculating a corresponding RSSI value for each of the plurality of directional antennas during receiving signals from the wireless communication device. 
     
     
         4 . The positioning method of  claim 3 , wherein the step of comparing the plurality of detected RSSI values with the reference information to generate the comparison result comprises respectively comparing the detected RSSI value of one of the plurality of directional antennas with the predetermined RSSI values corresponding to the same directional antennas to generate the comparison result. 
     
     
         5 . The positioning method of  claim 1 , wherein the step of determining the location position of the wireless communication device according to the comparison result comprises when the comparison result indicates each of the detected RSSI values is equal to the predetermined RSSI value of the corresponding directional antenna receiving signals from a specific area, determining the specific area to be the location position. 
     
     
         6 . The positioning method of  claim 1 , wherein each of the plurality of detected RSSI values is a RSSI value of one of the plurality of directional antennas during receiving signals from the wireless communication device. 
     
     
         7 . The positioning method of  claim 1 , wherein the plurality of directional antennas are configured toward different directions. 
     
     
         8 . A wireless system, comprising:
 a positioning device having a plurality of directional antennas; and   a wireless communication device;   wherein the positioning device establishes reference information corresponding to a plurality of areas, utilizes the plurality of directional antennas to scan and detect a wireless communication device, calculates a plurality of received signal strength indication (RSSI) values corresponding to the wireless communication device for the plurality of directional antennas, compares the plurality of detected RSSI values with the reference information to generate a comparison result, and determines a location position of the wireless communication device according to the comparison result.   
     
     
         9 . The wireless system of  claim 8 , wherein the reference information comprises a plurality of predetermined RSSI values corresponding to the plurality of directional antennas receiving signals from the plurality of areas. 
     
     
         10 . The wireless system of  claim 8 , wherein the positioning device detects and calculates a corresponding predetermined RSSI value during receiving signals from one of the plurality of areas for each of the plurality of directional antenna, and determines all of the predetermined RSSI values calculated for the plurality of areas to be the reference information. 
     
     
         11 . The wireless system of  claim 9 , wherein the positioning device respectively calculates a corresponding RSSI value for each of the plurality of directional antennas during receiving signals from the wireless communication device. 
     
     
         12 . The wireless system of  claim 11 , wherein the positioning device respectively compares the detected RSSI value of one of the plurality of directional antennas with the predetermined RSSI values corresponding to the same directional antennas to generate the comparison result. 
     
     
         13 . The wireless system of  claim 11 , wherein when the comparison result indicates each of the detected RSSI values is equal to the predetermined RSSI value of the corresponding directional antenna receiving signals from a specific area, the positioning device determines the specific area to be the location position. 
     
     
         14 . The wireless system of  claim 8 , wherein each of the plurality of detected RSSI values is a RSSI value of one of the plurality of directional antennas during receiving signals from the wireless communication device. 
     
     
         15 . The wireless system of  claim 8 , wherein the plurality of directional antennas are configured toward different directions.