Beacon array
AssigneeInternational Business Machines Corporation
InventorsYuBo Li, Yonghua Lin, Qing Wang, Wei Dong Wang, Chao Xue
Life of this patent
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Abstract
A method comprises receiving a first received signal strength indicator (RSSI) of a first beacon in an array of beacons and receiving a second RSSI of a second beacon in an array of beacons, calculating a RSSI of the array (r) as a function of the first RSSI and the second RSSI, retrieving a calibrated RSSI value of the array (r′) from a memory, determining whether r>r′, and outputting a signal to a user device responsive to determining that r>r′.
Claims11
A computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to perform a method comprising:
- receiving a first received signal strength indicator (RSSI) of a first beacon in an array of beacons and receiving a second RSSI of a second beacon in an array of beacons;
- calculating a RSSI of the array (r) as a function of the first RSSI and the second RSSI;
- retrieving a calibrated RSSI value of the array (r′) from a memory;
- determining whether r>r′;
- and
- outputting a signal to a user device responsive to determining that r>r′.
A system comprising:
- a memory;
- and
- a processor operative to:
- receive a first received signal strength indicator (RSSI) of a first beacon in an array of beacons and receiving a second RSSI of a second beacon in an array of beacons;
- calculate a RSSI of the array (r) as a function of the first RSSI and the second RSSI;
- retrieve a calibrated RSSI value of the array (r′) from a memory;
- determine whether r>r′;
- and
- output a signal to a user device responsive to determining that r>r′.
Dependencies are inferred from the claim text.