Inter-frequency neighbor list searching
First Claim
1. An apparatus, comprising:
- a searcher for searching a PN space with a first set of parameters to produce a plurality of first search results and for searching a window around a plurality of selected PN locations with a second set of parameters to produce a plurality of second search results;
a processor for selecting a subset of the plurality of first search results, combining the subset with a stored search result to form the plurality of selected PN locations, and for selecting a third search result from the plurality of second search results; and
a memory for storing the third search result to produce the stored search result.
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Abstract
Techniques for inter-frequency neighbor list searching are disclosed. Embodiments disclosed herein address the need for inter-frequency neighbor list searching. In one embodiment, a searcher is deployed to search a PN space with a first set of search parameters and to return search results. A subset of those results are selected, along with a previously saved search result, to form a set of PN locations for a second search. The second search is performed on a window around each of the PN locations, using a second set of search parameters. The maximum peak from the second search is saved for use in future iterations. In one embodiment, the subset is selected as the highest energy level peaks from the first search. In one embodiment, if a maximum peak is deemed to correspond to a valid base station when the position of that maximum peak is within a pre-determined time offset from a previous maximum peak.
66 Citations
13 Claims
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1. An apparatus, comprising:
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a searcher for searching a PN space with a first set of parameters to produce a plurality of first search results and for searching a window around a plurality of selected PN locations with a second set of parameters to produce a plurality of second search results;
a processor for selecting a subset of the plurality of first search results, combining the subset with a stored search result to form the plurality of selected PN locations, and for selecting a third search result from the plurality of second search results; and
a memory for storing the third search result to produce the stored search result. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of search processing, operable with a searcher for searching in accordance with search parameters and for generating search results, comprising:
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sending a first set of search parameters to the searcher;
receiving a first plurality of search results generated in response to the first set of search parameters;
selecting a subset of the first plurality of search results;
forming a plurality of selected PN locations from the PN locations of the subset and the PN location of a stored search result;
sending the plurality of selected PN locations to the searcher;
sending a second set of search parameters to the searcher;
receiving a second plurality of search results generated in response to the second set of search parameters and the plurality of selected PN locations;
selecting the highest energy search result from the second plurality of search results; and
storing the highest energy search result to form the stored search result. - View Dependent Claims (8, 9, 10, 11, 12)
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13. Processor readable media operable to perform the following steps:
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sending a first set of search parameters to a searcher;
receiving a first plurality of search results generated in response to the first set of search parameters;
selecting a subset of the first plurality of search results;
forming a plurality of selected PN locations from the PN locations of the subset and the PN location of a stored search result;
sending the plurality of selected PN locations to the searcher;
sending a second set of search parameters to the searcher;
receiving a second plurality of search results generated in response to the second set of search parameters and the plurality of selected PN locations;
selecting the highest energy search result from the second plurality of search results; and
storing the highest energy search result to form the stored search result.
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Specification