Prioritization of searching by a remote unit in a wireless communication system
First Claim
1. A method of prioritizing searching by a remote unit for use in a wireless communication system comprising:
- selecting a plurality of base stations to be searched based on selected measurement criteria;
selecting search parameters for a preferred base station;
performing a search of said preferred base station;
selecting search parameters for said plurality of base stations in response to search results of said preferred base station;
performing at least one search of said plurality of base stations using said search parameters; and
recording a result of said at least one search.
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Accused Products
Abstract
A method and apparatus for improving searching in a remote unit of a slotted mode, wireless, communication system. In a slotted mode communication system, the remote unit enters an “active state” during its assigned slot. While in the active state, a controller in the remote unit passes selected sets of search parameters to a search engine. The order that the searches are performed is based on the measured signal strength and the age of the measurement. The search engine performs searches using the selected sets of search parameters. Searching continues as long as the remote unit is in the active state. When the remote unit enters the inactive state, searching ceases. While in the inactive state, the controller evaluates the results of the searches performed during the previous active state. During the next active state, the next sequence of searching is performed based on measured signal strength and the measurement age corresponding to the measurements made during the previous active state.
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Citations
17 Claims
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1. A method of prioritizing searching by a remote unit for use in a wireless communication system comprising:
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selecting a plurality of base stations to be searched based on selected measurement criteria;
selecting search parameters for a preferred base station;
performing a search of said preferred base station;
selecting search parameters for said plurality of base stations in response to search results of said preferred base station;
performing at least one search of said plurality of base stations using said search parameters; and
recording a result of said at least one search. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A remote unit in a wireless communication system comprising:
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a search engine configured to accept search parameters, perform searches and output search results;
a data array coupled to said search engine and configured to store said search results;
a search list configured to store search entries; and
a controller configured to define said search parameters, to pass said search parameters to said search engine, to receive said search results, to pass said search list entries to the search list, and to receive search entries from the search list, wherein the controller is further configured to examine entries in said search list and determine a desired order for searches to be performed on the selected measurement criteria. - View Dependent Claims (11, 12, 13)
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14. A method of prioritizing searching by a remote unit in a wireless communication system comprising:
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selecting neighboring base stations to be searched based on selected measurement criteria;
selecting search parameters for a preferred base station and said selected neighboring base stations;
performing searches using said search parameters; and
recording results of said searches.
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15. A method of prioritizing searching by a remote unit for use in a wireless communication system comprising:
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means for selecting a plurality of base stations to be searched based on selected measurement criteria;
means for selecting search parameters for a preferred base station;
means for performing a search of said preferred base station;
means for selecting search parameters for said plurality of base stations in response to search results of said preferred base station;
means for performing at least one search of said plurality of base stations using said search parameters; and
means for recording a result of said at least one search. - View Dependent Claims (16, 17)
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Specification