BASE STATION FOR MOBILE COMMUNICATION SYSTEM AND VEHICLE POSITION DETECTOR,申请号JP20010389168-传众专利搜索

BASE STATION FOR MOBILE COMMUNICATION SYSTEM AND VEHICLE POSITION DETECTOR

申请公布号：JP2003189352(A)

申请号：JP20010389168

申请日期：2001.12.21

申请公布日期：2003.07.04

申请人：

MITSUBISHI ELECTRIC CORP

发明人：MIYOSHI TETSUO

分类号：G01S1/02;H04W4/04;H04W16/12;(IPC1-7):H04Q7/34

主分类号：G01S1/02

摘要：PROBLEM TO BE SOLVED: To detect the position of a mobile station on the basis of communications between a fixed base station and a moving mobile station. SOLUTION: The base station 10 is provided with N base station transmission/reception antennas 20. The N antennas 20 respectively have wireless zones being areas where communications with the mobile station are possible. One data frame for the communications between the base station and the mobile station includes N slots which are corresponding one to one to the N wireless zones. The presence of the mobile station in the wireless zone corresponding to the slot when communications are made with the mobile station 12 is discriminated. COPYRIGHT: (C)2003,JPO