Geo-location in a wireless communication network
First Claim
1. A method for geo-location of a wireless communication unit, the method comprising:
- deriving, by the wireless communication unit and based on first measurement distance information associated with a directional antenna, a first probability density function for a first range of potential locations of the wireless communication unit;
deriving, by the wireless communication unit and based on second measurement distance information, a second probability density function for a second range of potential locations of the wireless communication unit;
sampling, by the wireless communication unit, the first probability density function and the second probability density function to generate output information,the generated output information indicating, for each of at least two possible locations, spatial information for a possible location and a probability the wireless communication unit is at the possible location,the at least two possible locations for the wireless communication unit each being located within the first range of potential locations and the second range of potential locations, andthe at least two possible locations including a first possible location served by a first lobe of the directional antenna and a second possible location served by a second lobe of the directional antenna; and
transmitting, by the wireless communication unit, the generated output information.
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Abstract
A method for geo-location of a wireless communication unit (410) is provided. The communication unit (410) communicates with a wireless communication network (430) of a wireless communication system (400). A probability density function is derived for the location of the wireless communication unit (410), from measured information and/or information about the wireless communication network (430). The probability density function is sampled to provide spatial and probability information about each of at least two possible locations for the wireless communication unit (410). A wireless communication system (400) and a method of selecting enhancements to a wireless communication system (400) are also provided.
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Citations
20 Claims
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1. A method for geo-location of a wireless communication unit, the method comprising:
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deriving, by the wireless communication unit and based on first measurement distance information associated with a directional antenna, a first probability density function for a first range of potential locations of the wireless communication unit; deriving, by the wireless communication unit and based on second measurement distance information, a second probability density function for a second range of potential locations of the wireless communication unit; sampling, by the wireless communication unit, the first probability density function and the second probability density function to generate output information, the generated output information indicating, for each of at least two possible locations, spatial information for a possible location and a probability the wireless communication unit is at the possible location, the at least two possible locations for the wireless communication unit each being located within the first range of potential locations and the second range of potential locations, and the at least two possible locations including a first possible location served by a first lobe of the directional antenna and a second possible location served by a second lobe of the directional antenna; and transmitting, by the wireless communication unit, the generated output information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless communication unit comprising:
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a memory configured to store instructions; and a processor configured to execute the instructions to; derive, based on first measurement distance information associated with a directional antenna, a first probability density function for a first range of potential locations of the wireless communication unit; derive, based on second measurement distance information, a second probability density function for a second range of potential locations of the wireless communication unit; sample the first probability density function and the second probability density function to generate output information, the generated output information indicating, for each of at least two possible locations, spatial information for a possible location and a probability the wireless communication unit is at the possible location, the at least two possible locations for the wireless communication unit each being located with the first range of potential locations and the second range of potential locations, and the at least two possible locations including a first possible location served by a first lobe of the directional antenna and a second possible location served by a second lobe of the directional antenna; and transmit the generated output information. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A non-transitory computer-readable medium storing instructions, the instructions comprising:
one or more instructions which, when executed by a processor of a wireless communication unit, cause the processor to; derive, based on first measurement distance information associated with a directional antenna, a first probability density function for a first range of potential locations of the wireless communication unit; derive, based on second measurement distance information, a second probability density function for a second range of potential locations of the wireless communication unit; sample the first probability density function and the second probability density function to generate output information, the generated output information indicating, for each of at least two possible locations, spatial information for a possible location and a probability the wireless communication unit is at the possible location, the at least two possible locations for the wireless communication unit each being located with the first range of potential locations and the second range of potential locations, and the at least two possible locations including a first possible location served by a first lobe of the directional antenna and a second possible location served by a second lobe of the directional antenna; and transmit the generated output information. - View Dependent Claims (18, 19, 20)
Specification