RADIO COMMUNICATION DEVICE, POSITIONING SYSTEM, CURRENT POSITION ACQUISITION METHOD, AND PROGRAM

• Main Author: NAKAMURA YOSHISUKE
• Format: Patent
• Language: English; Japanese
• Published: 09.03.2017
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

PROBLEM TO BE SOLVED: To provide a radio communication device, positioning system, current position acquisition method, and program that can obtain positional information on a group with improved accuracy when the group moves.SOLUTION: A radio communication device comprises: positioning means for obtaining a current position; communication means for communicating with an external apparatus; group relative movement amount calculation means for calculating the amount of group relative movement involved in a plurality of external apparatuses by tallying the amounts of relative movement obtained by the communication means from the plurality of external apparatuses; and current position update means for updating the current position on the basis of the amount of group relative movement and the current position obtained latest.SELECTED DRAWING: Figure 3 【課題】集団移動の際に集団の位置情報をより精度良く取得することの出来る無線通信装置、測位システム、現在位置取得方法及びプログラムを提供する。【解決手段】無線通信装置は、現在位置を取得する測位手段と、外部機器と通信を行う通信手段と、複数の外部機器から通信手段により取得された相対移動量を集計して複数の外部機器に係る集団相対移動量を算出する集団相対移動量算出手段と、集団相対移動量と、直近に得られた現在位置とに基づいて、現在位置を更新する現在位置更新手段と、を備える。【選択図】図３