Estimating location of a communications device
First Claim
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1. A method, comprising:
- calculating at least one a first location estimate for a communications device based on information relating to signals transmitted between a communications device and at least one first antenna of a communications system,selecting at least one second antenna of the communications system, wherein the at least one second antenna not currently used for communication by the communications device, anddetermining a second location estimate for the communications device using the first location estimate and information relating to the at least one second antenna,wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.
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Abstract
In determining a location estimate for a communications device, at least one first location estimate is determined based on information relating to signals transmitted between the communications device and at least one first antenna of a communications system. At least one second antenna of the communications system is determined, the at least second antenna not used for communication by the communications device. Thereafter, a second location estimate for the communications device is determined based at least on the at least one first location estimate and information relating to the at least one second antenna.
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Citations
54 Claims
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1. A method, comprising:
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calculating at least one a first location estimate for a communications device based on information relating to signals transmitted between a communications device and at least one first antenna of a communications system, selecting at least one second antenna of the communications system, wherein the at least one second antenna not currently used for communication by the communications device, and determining a second location estimate for the communications device using the first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A system comprising:
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a plurality of antennas; and a processor configured to calculate at least one first location estimate for a communications device based on information relating to signals transmitted between a communications device and at least one first antenna of the system, select at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determine a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.
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25. An apparatus, comprising:
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a processor configured to participate in a communications system comprising a plurality of antennas, calculate at least one first location estimate for a communications device based on information relating to signals transmitted between the communications device and at least one first antenna of a communications system, select at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determine a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna. - View Dependent Claims (26, 27, 28)
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29. A system, comprising:
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a plurality of antennas, calculating means for calculating at least one first location estimate for a communications device based on information relating to signals transmitted between the communications device and at least one first antenna of the communications system, selecting means for selecting at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determining means for determining a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.
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30. An apparatus, comprising:
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connecting means for connecting to a communications system comprising a plurality of antennas, calculating means for calculating at least one first location estimate for a communications device based on information relating to signals transmitted between the communications device and at least one first antenna of a communications system, selecting means for selecting at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determining means for determining a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.
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31. A computer readable medium comprising computer executable program instructions to perform a method comprising:
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calculating at least one first location estimate for a communications device based on information relating to signals transmitted between the communications device and at least one first antenna of a communications system, selecting at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determining a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprises antenna direction information of the at least one second antenna.
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32. An apparatus, comprising:
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a connector configured to connect to a communications system comprising a plurality of antennas, a calculator configured to calculate at least one first location estimate for a communications device based on information relating to signals transmitted between the communications device and at least one first antenna of a communications system, a selector configured to select at least one second antenna of the communications system, the at least one second antenna not used for communication by the communications device, and determining circuitry configured to determine a second location estimate for the communications device based on the at least one first location estimate and information relating to the at least one second antenna, wherein the information relating to the at least one second antenna comprise antenna direction information of the at least one second antenna. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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Specification