COMMUNICATION DEVICE, POSITION ESTIMATING METHOD, POSITION ESTIMATING PROGRAM, AND COMMUNICATION SYSTEM

This communication device is provided with a receiving circuit which receives a radio signal transmitted by a mobile station, and a processing circuit which estimates the position of the mobile station on the basis of a signal waveform profile including information relating to at least two of an arrival direction, an arrival time, and a reception power of the radio signal. The position estimatingmethod receives a radio signal transmitted by a mobile station, and estimates the position of the mobile station on the basis of a signal waveform profile including information relating to at least two of an arrival direction, an arrival time, and a reception power of the radio signal. The communication system is provided with a mobile station and the communication device according to the presentdisclosure. 通信装置包括：接收移动台发送的无线信号的接收电路；以及基于含有与无线信号的到来方向、到来时刻、以及接收功率之中的至少2个有关的信息的信号波形分布，估计移动台的位置的处理电路。在位置估计方法中，接收移动台发送的无线信号，基于含有与无线信号的到来方向、到来时刻、以及接收功率之中的至少2个有关的信息的信号波形分布，估计移动台的位置。通信系统包括移动台和本发明的通信装置。