发明名称 |
MOBILE STATION RADIO CHANNEL SWITCHING SYSTEM |
摘要 |
PROBLEM TO BE SOLVED: To provide a mobile station radio channel switching system in which a mobile station itself can discriminate its resident base station zone without using a radio wave from base stations so as to switch a radio channel in a mobile radio system including a plurality of the base stations. SOLUTION: Each mobile station is provided with a GPS receiver, discriminates in which base station zone the mobile station resides according to zone position information of each base station registered in advance on the basis of position data detected by the GPS receiver and automatically selects a radio channel of the base station zone registered in advance.
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申请公布号 |
JP2002291014(A) |
申请公布日期 |
2002.10.04 |
申请号 |
JP20010086514 |
申请日期 |
2001.03.26 |
申请人 |
HITACHI KOKUSAI ELECTRIC INC |
发明人 |
NAKAZONO MASAHIRO |
分类号 |
H04M3/00;H04W4/04;H04W48/20;(IPC1-7):H04Q7/22;H04Q7/34 |
主分类号 |
H04M3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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