Tóm tắt công việc
Công nghệ thông tin - IT - Phần mềm
Mô Tả Công Việc
- Wi-Fi Location Monitor is a Real-Time Locating System (RTLS) designed for tracking Wi-Fi enabled devices inside multi-floor buildings. The computing server estimates Wi-Fi devices’ location in the area of interest by trilaterating the data collected by Wi-Fi access points (termed nodes) that monitor a single 2.4 GHz Wi-Fi channel.
- Wi-Fi Location Monitor system will contain 2 components:
- Firmware (Service Package): running on Open Mesh Access Point to scan mobile devices in its range and send received signal strength (RSSI) of scanned mobile device together with other device information (e.g., device ID, name, etc.) to Computing Server.
- Computing Server: computing the location of scanned mobile devices and store the data in a relational database (SQL Server) or NoSQL database.
- Location of computed device is in a form of geo coordinates (latitude, longitude) or 2D (X, Y) co-ordinates.
- The firmware can be updated remotely over the Internet via HTTP/FTP/FTPS protocols.
- The accuracy of location/positioning of mobile devices is in 1-3 meters on average case.
- Supported mobile devices and Wi-Fi connection modes
(Scanning mode: device is not connected to any WiFi network. Connected mode: device is connected to a WiFi network):
- All popular Android phones and tablets in both scanning and connected modes.
- All iPhones and iPad with iOS 7 & 8 in both scanning and connected modes.
- All iPhone and iPad with iOS 9 and above in connected mode.
- For iOS 9.x or above devices: it will generate randomized MAC addresses when in scanning mode. So we need to develop/build a unique profile ID (e.g., 10000000000011) for each device to track them.
- Supported Open Mesh Wi-Wi Access Point.
Yêu Cầu Công Việc
- C/C++ .
- Linux OS, Embeded devices, Low-level package/firmware development.
- Experience with WiFi Access Points (for example, Open Mesh, Meraki, etc.).
- Experience with OpenWrt is a big plus.
- Have 10 years experienced in same as position.
- Good communication skills.
- Good teamwork and able to work independently.
- Management skills.
- Able to work under high pressure.
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