An AoA Solution
Bluetooth® 5.1 direction finding feature is considered a significant development in indoor location solutions. It has enabled the product developers to create Real-Time Location Systems (RTLS) which are more accurate and easier to integrate into other existing products. Whether tracking a customer smartphone at a shopping center, or locating tags mounted on a warehouse shelve, analyzing location data of any person or object is just at your fingertips.
Direction finding enhancements equipped with Bluetooth 5.1 provide capabilities for high accuracy indoor and outdoor Location systems. Bluetooth direction finding systems are cost-effective, very low energy consumption, and compact solutions offering unobtrusive hardware implementation in environments where satellite (GNSS) coverage is not sufficient. The technology allows locating objects, equipment, inventory and people accurately within buildings.
In conventional Received Signal Strength Indicator (RSSI) based proximity sensing systems signal strength is used to estimate distance to the tracked object. However, Bluetooth® 5.1 improves the accuracy of the RSSI method by introducing Angle of Arrival (AoA) capability.
CoreHW’s indoor location technology can enable precise positioning for Bluetooth Low Energy 5.1 (or higher) and direction-finding-enabled devices. It can open new opportunities across industries for indoor location and business advancements.
CoreHW’s indoor location system provides an adaptable infrastructure that can be used for various present and future business scenarios. It also offers a scalable solution that can be modified to fit your needs, enabling you to continuously monitor a large number of assets and expand coverage as required.
The CoreHW Indoor Location system includes locators, tags, a positioning engine, firmware, and a GUI. The tags establish communication with the locators, strategically positioned across the tracking area for seamless positioning.
The tags transmit a direction finding signal that is received by locators, and the position engine uses the data from multiple locators to determine the 3D location of the tags.
AoA locators use multi-element antenna arrays and can detect phase differences in received signals. The locators’ Bluetooth Low Energy SoC generates IQ samples, which can be used to calculate signal direction within the locator or external processor. At least two locators are required to calculate position, but height information can enable position calculation with one antenna array.
In AoA (Angle of Arrival) systems, the tracked tags transmit direction finding-enabled packets (CTE) to make their position available. A tag typically consists of an antenna, a Bluetooth Low Energy SoC (Bluetooth Low Energy System-on-Chip), and a power source. Additionally, the hardware and firmware design of Bluetooth Low Energy SoC should be optimized to minimize current consumption and maximize battery life.
An Indoor Location System is a reliable solution which can be used in different location solutions like:
Here are some of many indoor location system applications and purposes the system may serve. This is a quick guide to how this technology can transform your business.
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