AUXILIARY AP TAG AND POSITIONING SYSTEM USING THE SAME

• US 20130057435A1
• Filed: 09/05/2012
• Published: 03/07/2013
• Est. Priority Date: 09/05/2011
• Status: Abandoned Application

• Current Assignee: LSIS Co. Ltd. (LS Corporation)
• Original Assignee: LSIS Co. Ltd. (LS Corporation)
• Inventors: KIM, Bum Youl
• Application Number:
  US13/604,430
• Publication Number:
  US 20130057435A1
• Time in Patent Office: Days
• US Class Current: 342/450
• CPC Class Codes: G01S 13/878 Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector G01S13/874 takes precedence

Abstract

Provided is an auxiliary Access Point (AP) tag and a positioning system using the same, wherein the auxiliary AP tag simpler in structure than a conventional AP is arranged at the system to be provided with only a function of transmitting an identifier (e.g., a service set identifier), whereby position accuracy can be stably obtained and cost can be reduced.

Claims

1. An auxiliary AP tag of a positioning system capable of tracking a position of a positioning tag attached to a position track subject, the auxiliary AP tag comprising:

a transmission antenna;

storage storing an identifier identifying the auxiliary AP tag;

and a transmission unit transmitting the identifier through the transmission antenna.

2. The auxiliary AP tag of claim 1, wherein the identifier includes an SSID (Service Set Identifier).

2-1. A positioning system tracking a positioning tag attached to a position track subject, the position system comprising:

at least one or more APs transmitting information necessary for a position received from the positioning tag to a positioning server, and transmitting its identifier to the positioning tag;

a plurality of auxiliary AP tags transmitting its identifier to the positioning tag; and

the positioning server receiving information necessary for the position transmitted by the positioning tag and positioning the positioning tag.

4. The positioning system of claim 3, wherein the information necessary for positioning includes the identifier of the AP and the auxiliary AP tag received by the positioning tag and intensity of radio wave of a signal transmitted by the AP and the auxiliary AP tag.

5. The positioning system of claim 3, wherein the auxiliary AP tag transmits a beacon signal including the identifier.

6. The positioning system of claim 3, wherein the auxiliary AP tag periodically transmits the identifier at a predetermined period.

7. The positioning system of claim 3, wherein the auxiliary AP tag includes a transmission antenna, storage storing the identifier, and a transmission unit transmitting the identifier to the positioning tag through the transmission antenna.

8. The positioning system of claim 3, wherein the identifier is an SSID.