Method and apparatus for optimal system control parameter assignments based on mobile location
First Claim
1. A method of assigning an optimum system control parameter to a mobile station in a wireless communications system having one or more transceivers, comprising the steps of:
- dividing the coverage area of the communications system into a plurality of defined geographic regions irrespective of the locations of the one or more transceivers;
assigning a code to each of the geographic regions irrespective of the locations of the one or more transceivers, wherein the code corresponds to a system control parameter optimized for that geographic region;
locating a mobile station as being within a first geographic region of the plurality of defined geographic regions;
providing the mobile station with the code for the first geographic region and the corresponding system control parameter optimized for the first geographic region;
locating the mobile station as being within a second geographic region of the plurality of defined geographic regions;
comparing the code assigned to the second geographic region with the code assigned to the first geographic region; and
providing the mobile station with the code for the second geographic region and the corresponding system control parameter optimized for the second geographic region if, during the step of comparing, the code assigned to the first geographic region is different from the code assigned to the second geographic region.
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Abstract
A method of assigning an optimal system control parameter in a wireless communication system (10) having one or more transceivers (11a)-(11g) includes applying a reference frame (14) having a plurality of regions (16)-(20) to the coverage area of the communication system (10). The reference frame (14) is independent of the locations of the one or more transceivers (11a)-(11g) and each of the plurality of regions (16)-(20) corresponds to a location estimate. A code is assigned to each of the plurality of regions (16)-(20), the code corresponding to a system control parameter optimized for that region. A mobile station (12) is assigned the code corresponding to where the mobile station (12) is located.
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Citations
23 Claims
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1. A method of assigning an optimum system control parameter to a mobile station in a wireless communications system having one or more transceivers, comprising the steps of:
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dividing the coverage area of the communications system into a plurality of defined geographic regions irrespective of the locations of the one or more transceivers;
assigning a code to each of the geographic regions irrespective of the locations of the one or more transceivers, wherein the code corresponds to a system control parameter optimized for that geographic region;
locating a mobile station as being within a first geographic region of the plurality of defined geographic regions;
providing the mobile station with the code for the first geographic region and the corresponding system control parameter optimized for the first geographic region;
locating the mobile station as being within a second geographic region of the plurality of defined geographic regions;
comparing the code assigned to the second geographic region with the code assigned to the first geographic region; and
providing the mobile station with the code for the second geographic region and the corresponding system control parameter optimized for the second geographic region if, during the step of comparing, the code assigned to the first geographic region is different from the code assigned to the second geographic region. - View Dependent Claims (2, 3)
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4. A mobile station capable of communicating with one or more base stations within a communication system providing wireless communication in a coverage area, the mobile station comprising:
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means for being located within one of a plurality of regions each corresponding to location estimates independent of the one or more base stations, wherein the plurality of regions together comprise a reference frame applied to the coverage area;
means for receiving a code corresponding to a system control parameter optimized for the region the mobile station is currently located; and
means for updating the system control parameter, wherein the means for updating the system control parameter comprises;
means for comparing a first code assigned to a first region of the plurality of regions with a second code assigned to a second region of the plurality of regions; and
means for determining if the first code is equivalent to the second code, wherein the means for receiving a code includes means for receiving a second system control parameter in response to the means for determining if the first code is eguivalent to the second code. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. In a communication system providing wireless communication in a coverage area, a method of providing neighbor lists to a mobile station optimized for the mobile station'"'"'s location in order to aid in hand-offs between a plurality of transceivers, the method comprising:
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assigning a first code to a first region, the first region being defined irrespective of the plurality transceivers'"'"' locations, wherein the first code corresponds to a neighbor list optimized for the first region;
assigning a second code to a second region, the second region being defined irrespective of the plurality of transceivers'"'"' locations, wherein the second code corresponds to a neighbor list optimized for the second region;
comparing the first code assigned to the first region, with the second code assigned to the second region;
merging the neighbor lists corresponding to the first and second regions if the first code assigned to the first region is different from the second code assigned to the second region, resulting in a merged list; and
providing the merged list to a mobile station located in the first region. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method of building and optimizing system control parameters for a cellular communications system having a plurality of base stations and a plurality of receiving locations irrespective of the locations of the plurality of base stations wherein each of the plurality of receiving locations is assigned a code corresponding to a unique set of system control parameters, the method comprising:
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identifying a first set assigned to a first receiving location of the plurality of receiving locations as being unique or equivalent as compared to a second set assigned to a second receiving location of the plurality of receiving locations;
receiving at the first receiving location a signal within an acid-threshold level from a base station;
adding the signal to the first set creating an updated set;
comparing the updated set to the second set; and
determining a code to be associated with the first receiving location after the step of comparing. - View Dependent Claims (20, 21, 22, 23)
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Specification