Controlling geographic location information of devices operating in wireless communication systems
First Claim
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1. A method of providing location information to a requesting entity comprising:
- accessing precision information associated with the requesting entity, wherein the precision information associated with the requesting entity indicates a specified degree of precision of location information authorized to be sent to the requesting entity;
receiving location information from a mobile station, the location information indicating a position of the mobile station with a first precision;
determining a first parameter indicative of a first location characteristic of the mobile station using the received location information;
determining a second parameter indicative of a second location characteristic of the mobile station using the received location information;
rounding the first parameter based on the precision information associated with the requesting entity to generate a rounded first parameter;
rounding the second parameter based on the precision information associated with the requesting entity to generate a rounded second parameter; and
transmitting a diluted position of the mobile station determined using the rounded first parameter and the rounded second parameter, wherein the diluted position of the mobile station is an accurate position with a second precision less than the first precision.
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Abstract
Methods and apparatus are presented herein for controlling the degree of precision with which geographic information is reported to a requesting entity. A precise geographic location is used to determine an adjusted geographic location, which is then transmitted to the requesting entity rather than the precise geographic location.
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Citations
22 Claims
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1. A method of providing location information to a requesting entity comprising:
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accessing precision information associated with the requesting entity, wherein the precision information associated with the requesting entity indicates a specified degree of precision of location information authorized to be sent to the requesting entity; receiving location information from a mobile station, the location information indicating a position of the mobile station with a first precision; determining a first parameter indicative of a first location characteristic of the mobile station using the received location information; determining a second parameter indicative of a second location characteristic of the mobile station using the received location information; rounding the first parameter based on the precision information associated with the requesting entity to generate a rounded first parameter; rounding the second parameter based on the precision information associated with the requesting entity to generate a rounded second parameter; and transmitting a diluted position of the mobile station determined using the rounded first parameter and the rounded second parameter, wherein the diluted position of the mobile station is an accurate position with a second precision less than the first precision. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus comprising:
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memory; and a processor, wherein the processor is configured to; access precision information associated with a requesting entity, wherein the precision information associated with the requesting entity indicates a specified degree of precision of location information authorized to be sent to the requesting entity; access received location information from a mobile station, the location information indicating a position of the mobile station with a first precision; determine a first parameter indicative of a first location characteristic of the mobile station using the received location information; determine a second parameter indicative of a second location characteristic of the mobile station using the received location information; round the first parameter based on the precision information associated with the requesting entity to generate a rounded first parameter; round the second parameter based on the precision information associated with the requesting entity to generate a rounded second parameter; determine a diluted position of the mobile station using the rounded first parameter and the rounded second parameter, wherein the diluted position of the mobile station is an accurate position with a second precision less than the first precision; and initiate transmission of the diluted position of the mobile station determined. - View Dependent Claims (8, 9, 10, 11)
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12. An apparatus comprising:
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means for accessing precision information associated with the requesting entity, wherein the precision information associated with the requesting entity indicates a specified degree of precision of location information authorized to be sent to the requesting entity; means for receiving location information from a mobile station, the location information indicating a position of the mobile station with a first precision; means for determining a first parameter indicative of a first location characteristic of the mobile station using the received location information; means for determining a second parameter indicative of a second location characteristic of the mobile station using the received location information; means for rounding the first parameter based on the precision information associated with the requesting entity to generate a rounded first parameter; means for rounding the second parameter based on the precision information associated with the requesting entity to generate a rounded second parameter; and means for transmitting a diluted position of the mobile station determined using the rounded first parameter and the rounded second parameter, wherein the diluted position of the mobile station is an accurate position with a second precision less than the first precision. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. An article comprising:
a storage medium having instructions stored therein, the instructions being executable by one or more machines to; access precision information associated with a requesting entity, wherein the precision information associated with the requesting entity indicates a specified degree of precision of location information authorized to be sent to the requesting entity; access received location information from a mobile station, the location information indicating a position of the mobile station with a first precision; determine a first parameter indicative of a first location characteristic of the mobile station using the received location information; determine a second parameter indicative of a second location characteristic of the mobile station using the received location information; round the first parameter based on the precision information associated with the requesting entity to generate a rounded first parameter; round the second parameter based on the precision information associated with the requesting entity to generate a rounded second parameter; determine a diluted position of the mobile station using the rounded first parameter and the rounded second parameter, wherein the diluted position of the mobile station is an accurate position with a second precision less than the first precision; and initiate transmission of the determined diluted position of the mobile station. - View Dependent Claims (20, 21, 22)
Specification