infsoft 360° Antennas Using Angle of Arrival



Angle of Arrival (AoA) is an emerging technology that indicates the direction of the signal sources and can be used for tracking assets as well as for indoor positioning and wayfinding. infsoft 360° Antennas use AoA for real-time measurement of the direction of a radio signal emitted by a mobile 2.4 GHz transmitter (e.g. beacon). Based on the angle and distance determined, it is possible to calculate the position of an object equipped with such transmitter with an accuracy of 1 to 3 meters. This opens up opportunities for numerous use cases and makes server-based BLE solutions a favorable alternative to cost-intensive Ultra-wideband (UWB) applications – as long as no centimeter accuracy is required.

Angle of Arrival measurement using infsoft 360° antennas

Functionality of infsoft 360° Antennas

infsoft 360° Antennas deployed in the area of interest detect incoming signals from a mobile transmitter operating on 2.4 Ghz (e.g. BLE beacon, Wi-Fi-enabled smartphone). The antenna submits the scan data via mini USB port to an infsoft Locator Node. From there, the data are sent to the infsoft LocAware platform®, where the device’s position is computed. Using the infsoft Locator Nodes Management allows accessing charts that highlight the angle a transmitted radio signal comes from.

visualization of angle measurement using infsoft 360° Antennas

By using AoA technology, even just one antenna enables determining the direction of movement of a person or object. This is an important factor for applications such as access control or door control in protected areas. Using 360° Antennas can reduce the number of required hardware for a localization project.

Using a minimum of three infsoft 360° Antennas (triangulation) allows for continuous positioning and substantially improves accuracy and reliability.


Technical Features of the infsoft 360° Antenna

infsoft 360° Antenna with mount

    Dimensions:
    • approx. 175mm x 175mm x 50mm (LxWxH)
    Connections:
    • Mini USB connection (connection to infsoft Locator Node)
    Sensors:
    • 360° array antenna, Angle of Arrival measurement in the 2.4GHz band
    • Built-in signal amplifier
    Installation:
    • can be mounted on ceiling or wall (flexible mounting solution, sold separately)


    Use Cases for infsoft 360° Antennas

    infsoft 360° Antennas are designed to be incorporated into diverse Real-Time Locating System (RTLS) projects for both indoor and outdoor use.

    Thanks to a special tracking method utilizing AoA technology and barometric pressure sensors, the localization is so precise that not only the shelf, but also the exact rack position in which an item is located can be determined.

    Software solution used: Indoor Tracking
    Sensor used: Bluetooth Low Energy (beacons)
    Example of use: Tracking of Goods in Logistics


    Following smart office concepts, a tracking solution based on AoA offers intelligent functions. The detection of persons moving in a given direction can be used to, for example, realize access control or automation technologies (heating, cooling, lighting) based on head counting.

    Software solution used: Indoor Tracking, Geo-Based Processes
    Sensor used: Bluetooth Low Energy (beacons)


    In a warehouse, AoA technology can prevent forklifts from hitting people or valuable material. The infsoft 360° Antenna senses approaching objects and triggers a warning to the driver.

    Software solution used: Indoor Tracking, Geo-Based Processes
    Sensor used: Bluetooth Low Energy (beacons)

    AoA technology can be used for people counting. In a shopping center, for example, you can detect the number of people entering and exiting the stores in order to gain insights into how the stores are performing.

    Software solution used: Indoor Tracking, Indoor Analytics
    Sensor used: Bluetooth Low Energy (beacons)



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