BLEDoorGuard: A Device-Free Person Identification Framework Using Bluetooth Signals for Door Access

Publication Year: 2018 Publication Type : JournalArticle


Recently, door access control with Internet of Things (IoT) has become increasingly popular in the field of security. However, conventional approaches such as video-based or biological information based cannot satisfy the requirements of personal privacy protection in the modern society. Hence, a wireless signal based technique which does not need users to carry any devices, called device-free have been introduced in recent years to detect and identify persons. In this paper, we present BLEDoorGuard, a wireless, invisible and robust door access system which leverages received signal strength indicator (RSSI) from Bluetooth Low Energy (BLE) beacons to recognise a person who accesses a door. We evaluated BLEDoorGuard in two real world scenarios: the first is an office with a key lock, and the second is a meeting room with swipe card access. We exploit the characteristics of use of BLE for person identification and propose a two-step algorithm with multiple classifiers. We demonstrate that BLEDoorGuard is capable of identifying the actual user during door access with an accuracy of 69% and 62% among groups of 6 and 10 people, respectively.


    author = {Wei Shao and Thuong Nguyen and A. Kai Qin and Moustafa Youssef and Flora D. Salim},
    bibsource = {dblp computer science bibliography,},
    biburl = {},
    doi = {10.1109/JIOT.2018.2868243},
    journal = {IEEE Internet Things J.},
    number = {6},
    pages = {5227--5239},
    timestamp = {Mon, 08 Jun 2020 01:00:00 +0200},
    title = {BLEDoorGuard: A Device-Free Person Identification Framework Using Bluetooth Signals for Door Access},
    url = {},
    volume = {5},
    year = {2018}


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