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J-Series Data Radio – User Manual
Issue 09-10
Part D – Features
SmartPath™
The J-Series radio provides unique features to enhance connectivity and redundancy in both fixed and mobile applications. Typical SCADA and
Telemetry systems require a high degree of radio link reliability. Using SmartPath™ features together with a small amount of system planning, the
system designer can create a network topology that provides for multiple alternative radio link paths. This type of network is often referred to as a
MESH network and a typical example is shown below. Note that the “Master” of the network for J-Series is referred to as the Access Point.
SmartPath™ has been optimized for SCADA and Telemetry systems, providing an ideal balance between connectivity (ie: link reliability), latency,
bandwidth and system design effort. Many peer to peer MESH networks are optimized for short range, high density networks. As a result, much
of their over-the-air bandwidth can be consumed in radio protocol management overhead (ie: keeping track of where peers are in the network, re-
configuration of priority paths, etc).
SmartPath™ only re-configures the network topology when it is required. During normal operation, the system designer can utilise all of the
over-the-air bandwidth and minimise message latency. Should one of the critical path radios fail, those radios dependent on that failed radio will
search for alternative paths via other radios. The system designer can optimise radio path connectivity using a preferred/alternative arrangement.
In applications where radios are mobile or roaming, SmartPath™ can provide an unlimited number of coverage areas including the ability to reliably
hand-over coverage from one radio to another based on usable received signal strength.