Positioning Method and Wireless Communication System Using the Same

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; and

determining a location position of the wireless communication device according to the reference information and the plurality of RSSI values.

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 RSSI value for defining the predetermined RSSI values during reception of 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 reception of signals from the wireless communication device.

4 . The positioning method of claim 1 , wherein the step of determining the location position of the wireless communication device according to the reference information and the plurality of RSSI values comprises when each of the detected RSSI values falls into the range of the predetermined RSSI values of the corresponding directional antenna receiving signals from a specific area, determining the specific area to be the location position.

5 . 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 reception of signals from the wireless communication device.

6 . The positioning method of claim 1 , wherein the plurality of directional antennas are configured toward different directions.

7 . 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, and determines a location position of the wireless communication device according to the reference information and the plurality of RSSI values.

8 . The wireless system of claim 7 , 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.

9 . The wireless system of claim 7 , wherein the positioning device detects and calculates a corresponding RSSI value for defining the predetermined RSSI values during reception of 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.

10 . The wireless system of claim 8 , wherein the positioning device respectively calculates a corresponding RSSI value for each of the plurality of directional antennas during reception of signals from the wireless communication device.

11 . The wireless system of claim 10 , wherein when each of the detected RSSI values falls into the range of the predetermined RSSI values of the corresponding directional antenna receiving signals from a specific area, the positioning device determines the specific area to be the location position.

12 . The wireless system of claim 7 , wherein each of the plurality of detected RSSI values is a RSSI value of one of the plurality of directional antennas during reception of signals from the wireless communication device.

13 . The wireless system of claim 7 , wherein the plurality of directional antennas are configured toward different directions.