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Telematics offer different types of T-Light network technologies, depending on the particular layout of the streetlights in the urban or rural area.
The T-Light Family Includes:
The T-Light family offers Smart Lighting Control and Monitoring Systems differentiated by their coverage, features, configurations, and prices. They also offer seamless scalability as the customer’s needs change and expand, and may be applied where the light poles already have, or can have, a wired connection.
The T-Light Smart Street Lighting Controlling system establishes a wireless network between all participating light poles and provides the operator with a web-accessed efficient, automatic or manual, control of the light pole's operation. The system can also be applied to a lighting system where the light poles already have, or can have, wired connections.
T-Light Smart Street Lighting Control System Diagram
The complete and reliable smart light solution features the following elements:
Additional T-Light units can be added to the system:
The T-Light family offers Smart Lighting Control and Monitoring Systems differentiated by their coverage, features, configurations, and prices. All systems are flexible and modular to ensure solutions are specific to the customer’s needs.
The T-Light family includes:
These systems feature various configuration choices. They also offer seamless scalability as the customer’s needs change and expand.
LoRaWAN is an open protocol standards driven by the LoRa Alliance. A proven and popular technology in the Low Power WAN (LPWAN) arena, LoRaWAN has been designed from ground up to optimize LPWANs for IoT applications that require long range, low power, high capacity and low implementation cost. LoRaWAN is based on chirp spread spectrum (CSS), an advanced spread spectrum modulation technology which has been used in military and space communication for decades because of its long range and robustness to interference.
LoRaWAN™ networks typically are laid out in star-of-stars topology in which gateways relay messages between end-devices and the central network server at the backend. Gateways are connected to the network server via standard IP connections while the end-devices use single-hop LoRa™ communication to one or many gateways. All communication is generally bi-directional, although uplink communication from an end-device to the network server is expected to be the predominant traffic.
In a LoRaWAN, end nodes are not associated with a specific gateway. Instead, data transmitted by a node is typically received by multiple gateways. Each gateway will forward the received packet from the end-node to the cloud-based network server via some backhaul (e.g. LTE 4G). The intelligence and complexity is pushed to the network server, which manages the network and filters redundant received packets, performs security checks, schedules acknowledgments through the optimal gateway, performs adaptive data rate, etc.
T-Light Cellular LCU
Single Base Station for wide area coverage with tens of thousands of managed nodes is a central part of Galaxy system. Utilizing same communication infrastructure and various types of sensors and actuators, Galaxy applications include Streetlight Control, Water Resource Management, Advanced Metering Infrastructure, ITS and others.
Roadway lighting control - T-Light™
Up to 30 kilometers coverage per base station
50,000 fixtures per single base station
Self Commissioning (GPS)
DALI & 0-10V support
NEMA “twist & lock”, In-pole configurations
105 – 480V options
Vehicle recovery system
Water resource management
Distribution system metering and control
Leakage detection & Location
Water Quality monitoring
Electrical power meter
Sub metering solutions
Minimal infrastructure in the streets
Galaxy's unique feature is the minimal infrastructure required to cover large areas. Unlike most competing solutions, Galaxy does not require a large number of Concentrators and Gateways. With an average coverage radius of about 10km in urban terrain and up to 30km in rural terrain (depending on terrain), the Galaxy Base Station with a single antenna communicates directly with up to 50,000 wireless nodes. Augmented with small wireless repeaters for coverage of dead zones and range extensions, Galaxy is the most reliable and cost effective solution available today for immediate deployment. In certain areas where Galaxy reach may be limited, another Telematics' system utilizing extremely robust RF Mesh technology can be deployed. Thus unique combination of wide area Galaxy and "local" cluster type RF Mesh will provide the optimal and unmatched solution for any municipality.
A zero hierarchy (“Star”) control system
Galaxy utilizes a robust “Star” topology, which is especially suited for a relatively large number of end points within the coverage area. The “Star” topology avoids inherent Multi – Hop availability and latency issues often encountered in Mesh solutions, by creating a direct link between the base station and the end unit thus improving system availability and reducing interdependency (increased fault isolation) among the network nodes – an important feature for a critical service. These characteristics make the Galaxy Star topology the ideal solution for a large scale deployment containing thousands of end points that must be controlled and monitored individually.
A correct choice of wireless media
It is not only availability and cost effectiveness that makes T-Light Galaxy the optimal choice for wide area control and monitoring. Unlike the majority of competing wireless M2M systems that utilize unlicensed frequency bands, Galaxy operates in a licensed frequency band. No more operating in highly congested, interference-saturated frequency bands with regulation-limited low power output. Unlicensed bands are dedicated for short range communication and their utilization for wide area coverage is not only complicated, but may not be reliable enough for applications requiring high communication reliability and robustness like control of critical municipal infrastructure.
Galaxy’s operation on a licensed frequency with exclusive dedicated frequency channels and increased transmission power ensures extremely reliable and uninterrupted communication over long distances. Due to the specific nature of applications that do not require large amounts of data to be transmitted to and from the end device, very narrowband channels are sufficient for Galaxy operation thus making the licensing cost negligible compared to the significant financial advantage of Galaxy deployment, operation, and maintenance.
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