Real Time Locating System(RTLS) can help track everything you need to monitor. You can get an overview of your assets, locations, inventory, and employees at any time. And if you’d like to see where everyone is at any given moment, you can receive real-time location information via SMS text message or push notifications.<\/p>\n
The real-time location System is used for tracking or locating mobile devices in real time<\/a> and can be used by emergency services, law enforcement agencies, etc. The location information provided by these services helps them locate the device’s exact position at any given time.<\/p>\n Providing a location-based System requires an accurate and reliable system that will give the user the ability to track the location of their mobile device. A GPS receiver is needed to get this kind of data. But there are some problems with the GPS receivers.<\/span> They may not always work properly for various reasons like bad weather conditions, weak signal strength, etc. To overcome these issues, Managed RTLS service<\/a> provides a very efficient solution for location-based services, and it has been designed keeping in mind the need for accuracy and reliability.<\/p>\n A Real-Time Location System (RTLS) comprises several key components that work together to track and monitor the location of assets or people in real time. Each component plays a specific role in collecting, transmitting, processing, and visualizing location data.<\/p>\n Tags are small devices attached to objects or equipment, or worn by people, to track their location. These tags send signals at regular intervals so the system can identify the location of the item or person. Depending on the technology used, tags can be battery-powered (active) or battery-free (passive).<\/p>\n Anchors, readers, or sensors are fixed devices placed around the tracking area. Their job is to receive signals sent by the tags. For example, RFID systems use readers, while Bluetooth or UWB systems use anchors or gateways. These devices help capture location data from tags.<\/p>\n The location engine is the brain of the RTLS system. It processes signals from tags and calculates their exact positions. It uses different methods, like signal strength or timing, to determine where the tracked object or person is located.<\/p>\n The communication network connects all components of the RTLS system. It allows data to flow from tags to sensors, then to the central system. This network can use technologies like Wi-Fi, cellular networks, or wired connections.<\/p>\n It is the part of the system that users interact with. It displays the location of assets or people on a screen, often using maps or dashboards. Users can monitor movements, set alerts, and generate reports through this interface.<\/p>\n The database stores all the location data collected by the system. It allows organizations to track real-time movements and also review past data for analysis. It helps in improving operations and decision-making over time.<\/p>\n Real-Time Location Systems (RTLS) use various technologies to track the location of assets or people in real time. These technologies, such as GPS, RFID, Wi-Fi, Bluetooth Low Energy (BLE), and Ultra-Wideband (UWB), differ in accuracy, latency, infrastructure complexity, and overall cost (including hardware, software, installation, and maintenance). Below is a detailed look at how each technology works:<\/p>\n GPS is one of the most widely used technologies for location tracking and is commonly found in mobile devices. In RTLS, a GPS-enabled tag receives signals from satellites to determine its geographic position. To transmit this data to a central system, the tag typically uses long-range communication technologies like LTE, NB-IoT, or LoRa.<\/p>\n The main advantages of GPS include global coverage and reliance on existing infrastructure. However, it has limitations, including poor indoor performance, high battery consumption, and relatively high tag prices. GPS is best suited for large-scale outdoor tracking, such as vehicle and fleet management.<\/p>\n RFID technology uses radio waves to enable communication between a tag and a reader. Tags can be passive (powered by the reader’s signal), semi-active, or active. Readers installed in the environment send signals that are received by the tags, which then respond with a unique identifier.<\/p>\n RFID is known for its low cost and minimal power requirements, especially for passive tags. However, its short communication range and signal variability make it less suitable for continuous, wide-area tracking. It is commonly used for point-based tracking applications, such as access control or checkpoint inventory management.<\/p>\n Wi-Fi-based RTLS systems use existing wireless networks to determine the location of tagged assets. Devices equipped with Wi-Fi receivers collect signals from multiple access points and calculate their position based on signal strength.<\/p>\n The biggest advantage of Wi-Fi RTLS is the ability to leverage existing WLAN infrastructure, reducing deployment costs. However, it has drawbacks, including high tag power consumption, limited accuracy, and potential network congestion when shared with other devices.<\/p>\n BLE RTLS works by having tags broadcast signals (advertising packets) containing unique identifiers. These signals are picked up by BLE receivers (gateways or locators) installed in the environment. Location is determined using techniques like RSSI (signal strength) or AoA (Angle of Arrival).<\/p>\n BLE is highly popular due to its low power consumption, affordability, scalability, and strong integration with IoT devices. It also supports flexible deployment options, ranging from simple proximity tracking to more advanced positioning systems. Additionally, mesh-based 2.4 GHz solutions enable fully wireless infrastructure, making BLE a cost-effective and scalable RTLS option.<\/p>\n UWB technology uses very short radio pulses over a wide frequency spectrum to determine precise location. Tags transmit ultra-wideband signals, and the system calculates distance using techniques such as Time of Flight (ToF) or Time Difference of Arrival (TDoA).<\/p>\n UWB stands out for its extremely high accuracy, often within centimeters, making it ideal for applications that require precise real-time positioning. However, it comes with higher infrastructure costs, more expensive tags, and increased power consumption, especially in low-latency tracking scenarios.<\/p>\n Accuracy:<\/strong> The accuracy of the location data depends upon the number of satellites visible to the satellite receiver. In case of poor visibility, the accuracy of the location data decreases. RTLS-managed services use more than four satellites to calculate the location of the device.<\/p>\n Reliability:<\/strong> The location data depends on how many times the satellites have been able to communicate with the device. If the device loses satellite communication, the location data becomes unreliable. Managed RTLS uses a high-frequency radio link<\/a> to send messages between the device and the satellites. The location data remains unaffected if the device loses contact with the satellites.<\/p>\n Scalability:<\/strong> The location data depends on bandwidth for sending updates from the satellites to the device. As the amount of traffic increases, the bandwidth requirement increases. Managed RTLS uses User Datagram Protocol (UDP)<\/a> to transfer the satellite location updates to the client. Therefore, the location data reaches the device even if the connection gets congestion network<\/a>.<\/p>\nHow Does RTLS Work?<\/h2>\n
Main Components of an RTLS System<\/h2>\n
Tags (Tracking Devices)<\/h3>\n
Anchors \/ Readers \/ Sensors<\/h3>\n
Location Engine (Positioning Software)<\/h3>\n
Communication Network<\/h3>\n
Application Software (User Interface)<\/h3>\n
Database and Data Storage<\/h3>\n
Key Types of Real-Time Location Systems (RTLS) Technologies<\/h2>\n
GPS (Global Positioning System)<\/h3>\n
RFID (Radio Frequency Identification)<\/h3>\n
Wi-Fi RTLS<\/h3>\n
Bluetooth Low Energy (BLE)<\/h3>\n
Ultra-Wideband (UWB)<\/h3>\n
Managed RTLS Features<\/h2>\n