Method and system for localizing spatially separated wireless transmitters
First Claim
1. A method of localizing of wireless transmitters, the method comprising:
- generating, by a localization device, a plurality of clusters based on one or more Received Signal Strength Indicator (RSSI) values corresponding to a plurality of wireless transmitters distributed in a space, wherein the generation of the plurality of clusters is based on one or more clustering algorithms performing vector quantization;
generating, by the localization device, an image comprising a plurality of regions based on the generated plurality of clusters, wherein one or more subsets of the plurality of regions indicates a location associated with corresponding one or more of the plurality of wireless transmitters;
determining, by the localization device, a location associated with the one or more of the plurality of wireless transmitters based on a determination of contours associated with the one or more subsets of the plurality of regions;
wherein a count of clusters in the plurality of clusters is based on a maximum range of transmission of the plurality of wireless transmitters and a recommended minimum distance between one or more sensors located in the region; and
wherein a difference in the maximum range of transmission of the plurality of wireless transmitters is less than a predefined threshold.
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Abstract
A technique is provided for localizing a plurality of wireless transmitters. The technique includes retrieving Received Signal Strength Indicator (RSSI) values measured by one or more sensors, corresponding to the plurality of wireless transmitters distributed in a region in which the sensors are located. The technique further comprises generating, a plurality of clusters based on the retrieved RSSI values. The technique further comprises generating a binary image based on the generated clusters. The binary image comprises one or more white regions and one or more black regions. The technique further comprises localizing position of each of the plurality of wireless transmitters, based on a determination of contours of the one or more white regions present in the binary image.
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Citations
18 Claims
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1. A method of localizing of wireless transmitters, the method comprising:
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generating, by a localization device, a plurality of clusters based on one or more Received Signal Strength Indicator (RSSI) values corresponding to a plurality of wireless transmitters distributed in a space, wherein the generation of the plurality of clusters is based on one or more clustering algorithms performing vector quantization; generating, by the localization device, an image comprising a plurality of regions based on the generated plurality of clusters, wherein one or more subsets of the plurality of regions indicates a location associated with corresponding one or more of the plurality of wireless transmitters; determining, by the localization device, a location associated with the one or more of the plurality of wireless transmitters based on a determination of contours associated with the one or more subsets of the plurality of regions; wherein a count of clusters in the plurality of clusters is based on a maximum range of transmission of the plurality of wireless transmitters and a recommended minimum distance between one or more sensors located in the region; and wherein a difference in the maximum range of transmission of the plurality of wireless transmitters is less than a predefined threshold. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A localization device, comprising at least one processor and a memory having stored thereon instructions that, when executed by the at least one processor, cause the at least one processor to perform steps comprising:
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generating a plurality of clusters based on one or more Received Signal Strength Indicator (RSSI) values corresponding to a plurality of wireless transmitters distributed in a space, wherein the generation of the plurality of clusters is based on one or more clustering algorithms performing vector quantization; generating an image comprising a plurality of regions based on the generated plurality of clusters, wherein one or more subsets of the plurality of regions indicates a location associated with corresponding one or more of the plurality of wireless transmitters; determining a location associated with the one or more of the plurality of wireless transmitters based on a determination of contours associated with the one or more subsets of the plurality of regions; wherein a count of clusters in the plurality of clusters is based on a maximum range of transmission of the plurality of wireless transmitters and a recommended minimum distance between one or more sensors located in the region; and wherein a difference in the maximum range of transmission of the plurality of wireless transmitters is less than a predefined threshold. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A non-transitory computer-readable medium storing instructions for localizing of wireless transmitters, wherein upon execution of the instructions by one or more processors, the processors perform operations comprising
generating a plurality of clusters based on one or more Received Signal Strength Indicator (RSSI) values corresponding to a plurality of wireless transmitters distributed in a space, wherein the generation of the plurality of clusters is based on one or more clustering algorithms performing vector quantization; -
generating an image comprising a plurality of regions based on the generated plurality of clusters, wherein one or more subsets of the plurality of regions indicates a location associated with corresponding one or more of the plurality of wireless transmitters; determining a location associated with the one or more of the plurality of wireless transmitters based on a determination of contours associated with the one or more subsets of the plurality of regions; wherein a count of clusters in the plurality of clusters is based on a maximum range of transmission of the plurality of wireless transmitters and a recommended minimum distance between one or more sensors located in the region; and wherein a difference in the maximum range of transmission of the plurality of wireless transmitters is less than a predefined threshold. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification