The AVI products utilising AVIOS are a new generation of products providing LTE, Wi-Fi and Ethernet routing; in addition to a number of network applications and services.
AVIOS has been custom built by AVI to manage AVI device capabilities, support LTE services, manage Wi-Fi capabilities, network features and network security capability.
The AVI Operating System (AVIOS) provides the software platform for the user to interface to the elements of the AVI device.
The AVI Operating System includes a web host to enable the user to log into the device via a web page and configure the system.
AVIOS is easily upgradable via the web page and can provide an upgrade of the complete system.
Key AVIOS features include AVI LANpipe™, WANswitch and TAPR.
The innovative AVI LANpipe™ technology facilitates the simultaneous transport of Layer 2 and Layer 3 traffic types over mixed Layer 2 and Layer 3 networks.
It has a proven capacity to fuse multiple vendor systems using multiple data types simultaneously, or seamlessly switching between, LTE (Layer 3) networks and legacy Mesh and Wi-Fi (Layer 2) networks.
LANpipe employs stateless tunnels that are only raised when there is traffic, reducing network overheads.
LANpipe is a highly scalable and efficient method to deliver Multicast, Broadcast and unknown-destination unicast traffic between large numbers of deployed nodes in the network. The technology can be applied to a wide range of applications regardless of data exchange protocols.
LANpipe functionality is included with every AVI LTE, Wi-Fi and Router device utilising the AVI Operating Systems (AVIOS), commonly called the AVI User Equipment (UE).
The WANswitch feature within AVIOS provides the capability to seamlessly roam and switch between LTE, Wi-Fi and Ethernet networks.
The decision of which network interface (wireless or physical) is used for priority routing, is made entirely on the local endpoint, and is not reliant on a central controller. When the active radio network is changed, the WAN traffic is redirected through the new link.
The system adjusts radio interface route priorities dynamically based on radio signal levels. Ethernet devices can also be used with a fixed priority. This can be used with external radios to provide an extra redundancy path in case the primary radio interfaces fail.
Fixed Ethernet interfaces can also be used, via a statically configured route metric, which should be set according to the desired priority of the link. An example is to use an Ethernet connected radio, such as a legacy radio link, so that a vehicle may continue to use the current legacy system, awaiting the implementation of a LTE network. When the LTE network is live, the WANswitch will automatically switch to the LTE network, being the highest priority available network.
The AVI TAPR capability provides the ability to automatically select the best antenna to be used by the UE as the active transmit path. The AVI TAPR has been developed for LTE modems/chipsets that do not support true 3GPP Transmit Antenna Selection (TAS) at the UE.
AVI has implemented TAPR based on monitoring the Reference Signal Received Power (RSRP) measured within the LTE radio/modem on each antenna port. The conditions that would initiate a changeover are such that the alternate antenna RSRP must be greater than that of the current transmit antenna by a variable hysteresis amount.
A changeover event is seamless, (a few tens of nanoseconds) testing has shown no disruption to connectivity and it will trigger a syslog entry that is ultimately pushed to the CCMS for viewing and diagnosis if required.
Information provided by the TAPR feature can provide indication of a damaged or unserviceable antenna fitted to the AVI UE.
Standard Operating Procedures (SOPs) will dictate the classification of the data processed by the AVIOS Device. Additional configurable protocols and systems may or may not be employed to protect such data. Nonetheless, it remains important to protect network configuration details and parameters.
AVI UEs are pre-installed with the latest factory or customised AVIOS version. AVI may provide further releases, accessible via AVI’s secure FTP (SFTP) web portal or dispatched and delivered via alternate means on request.
Contact support@avi.com.au for AVIOS update enquiries.