Patent ID: 8730830

Claim:
An indoor location measuring apparatus that determines a floor within a building where a communication terminal is located, the apparatus comprising: a floor classifying means for classifying information relating to each of a plurality of access points (APs) collected by the communication terminal based on the floor at which the respective AP resides, the information including a signal intensity for each of the plurality of APs; and a location determining means for assigning a grade constant to each of the plurality of APs based on the respective signal intensity included in the information relating to the corresponding AP, wherein the location determining means is operable to calculate a sum of the grade constants for each floor, and to determine a floor associated with a largest sum as a location of the communication terminal, wherein the location determining means is further operable to extract shop information of at least one AP, the shop information relating to the floor associated with the largest sum from a storage means, and to provide the extracted shop information and the determined floor information to a subscriber that requests information relating to a location measurement.