Invention Grant
- Patent Title: Conserving battery life during Bluetooth device localization
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Application No.: US17304473Application Date: 2021-06-22
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Publication No.: US11265827B1Publication Date: 2022-03-01
- Inventor: Abhishek Bhattacharyya , Huy P. Tran
- Applicant: Cisco Technology, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Patterson + Sheridan, LLP
- Main IPC: H04W52/36
- IPC: H04W52/36 ; H04W52/02 ; H04W4/029 ; H04W4/80

Abstract:
Various embodiments herein disclose improving battery life while determining a location of a Bluetooth device. A corresponding method comprises receiving an identifier for a Bluetooth Low Energy (BLE) device to locate in an environment comprising a plurality of access points (APs). The method further comprises identifying a first AP of the plurality of APs communicating with the BLE device at a first power level. The method also comprises instructing, using the first AP, the BLE device to increase a transmission power level of the BLE device until a threshold number of APs of the plurality of APs, including the first AP, receive communications from the BLE device. The method additionally comprises receiving an RSSI value from each of the threshold number of APs based on the communications from the BLE device. The method also comprises computing a location of the BLE device in the environment based on the RSSI values.
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