Closest user terminal search method for a telecommunication network and service node applying such a method
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United States of America Patent
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Oct 11, 2011
Grant Date -
Jan 1, 2009
app pub date -
Jul 29, 2005
filing date -
Jul 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Service node for a telecommunication network (15) and method for determining a group of n user terminals (21) which are closest to a point of interest (22). First, a search range with an upper limit (24) is set. Then in an iterative manner, a current search cell of the set of cells (1-10) is determined and the search cell is queried for user data. The user terminals (21) are added to a set of found user terminals, and if the set of found user terminals comprises n or more user terminals (21), the upper limit (24) of the search range is adjusted to the n.sup.th lowest distance. This is repeated until no further possible cell (1-10) can be determined. The set of criteria can be set and matched with obtained user data to find a closest user terminal (21) having a specific role.
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