发明名称 |
OBSERVING A MOVING SUBSCRIBER ON THE BASIS OF HANDOVER COMMANDS |
摘要 |
<p>A location of a subscriber can be observed by means of a mobile network ina completely anonymous way, without a subscriber identifier or a temporary subscriber identifier. At first, a method extracts from a first time slot of a radio channel a message which includes information about a second time slot of a radio channel. The first time slot of a radio channel discloses the current cell of the subscriber and the second time slot of a radio channel discloses a new cell of the subscriber. A location of the subscriber is determined on the basis of the current and the new cell. This location is approximately situated in a geographical intersection area of the current and the new cell. Different kinds of statistics can be deduced from the observations concerning activities of subscribers.</p> |
申请公布号 |
WO2004086798(A1) |
申请公布日期 |
2004.10.07 |
申请号 |
WO2004FI50030 |
申请日期 |
2004.03.22 |
申请人 |
OY RADIOLINJA AB;KIVIRANTA, VELI-MATTI;NYKOPP, JUHA;KNUUTTILA, OLLI |
发明人 |
KIVIRANTA, VELI-MATTI;NYKOPP, JUHA;KNUUTTILA, OLLI |
分类号 |
H04W64/00;(IPC1-7):H04Q7/38 |
主分类号 |
H04W64/00 |
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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