Device and method for measuring location of terminal

A device for measuring a location of a terminal, comprising:

• a database storing registration information on a plurality of access points (AP's) for forming a first infrastructure system for wireless LAN-based indoor location determination, the registration information including location information and characteristic information;
• a search range setter for setting a search range of the database by using location information of the terminal acquired through a second infrastructure system that is different from the first infrastructure system, an identifier of at least one AP of the plurality of AP's, and a signal measurement value;
• a registration information extractor for extracting registration information of an AP having an identifier corresponding to the identifier of the at least one AP within the search range of the database;
• and
• a location calculator for calculating a location of the terminal by using the extracted registration information of the AP.