MOBILE COMMUNICATION TERMINAL, REGION ESTIMATION SYSTEM, REGION ESTIMATION METHOD, AND PROGRAM

• Main Authors: MIURA TAKAYUKI, TAKAHASHI HIRONOBU, TSUJIMOTO MASANORI, INOUE YOSHIAKI, NOZAKI SHUNSUKE, ONUKI TSUYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 11.04.2016
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TELEPHONIC COMMUNICATION; TESTING

PROBLEM TO BE SOLVED: To provide a mobile communication terminal and the like that are capable of accurately estimating a region where the mobile communication terminal is situated on the basis of the signal strength of signals transmitted by a small number of signal generators.SOLUTION: A mobile communication terminal stores in advance in-region probability information 132 associating signal strength with in-region probability of the mobile communication terminal situated within a particular region in a storage unit 13 on the basis of the signal strength of a beacon signal inside and outside the particular region obtained in advance. The mobile communication terminal obtains signal intensity information 131 associating the signal strength, received by a short-range wireless signal reception unit 12, of a beacon signal transmitted by a beacon transmitter T with a beacon ID and reception time, and converts the signal strength into the in-region probability using the in-region probability information 132. A region estimation unit 115 estimates that the mobile communication terminal is within the particular region when an average time of the in-region probability is a preset value or more.SELECTED DRAWING: Figure 1 【課題】少数の信号発生器が発する信号の信号強度に基づいて携帯通信端末が存する領域を正確に推定することのできる携帯通信端末等を提供する。【解決手段】事前に取得した特定の領域内外におけるビーコン信号の信号強度に基づいて、信号強度と領域内に存する確率である領域内確率とを対応づけた領域内確率情報１３２を予め記憶部１３に記憶する。そして、ビーコン送信機Ｔが送信するビーコン信号を近距離無線信号受信部１２が受信した信号強度とビーコンＩＤと受信時刻を対応づけた信号強度情報１３１を取得し、領域内確率情報１３２を用いて信号強度を、領域内確率に変換する。領域推定部１１５は領域内確率の時間平均が予め定めた値以上であるときに特定の領域内に存すると推定する。【選択図】図１