CTVR Architecture
SELF-ARCHITECTING WIRELESS + LR PON + FLAT CORE
Our starting position for the optical baseline architecture is a long-reach passive optical network (LR-PON) access-metro network terminating on metro-nodes interconnected with a flat optical core network. Today this solution offers the best combination of cost and performance while minimising total energy consumption In short, the large reach of the PON removes the need for the local exchange switch and the separate transmission network between the local exchange site and the metro-node. In addition, the optical path or circuit switching can provide enormous cost and energy efficiencies compared to packet switching. Where it is not necessary to inspect packet addresses for routing through the core network, the target architecture will propose an optical circuit switched approach though it is recognised that packet switching may still be required at least at the ingress and egress of the core networks.
On the wireless side we see a self-planning or self-architecting wireless system consisting of a set of nodes that can form dense small cell networks, provide sparse regional area network coverage as well as form distributed structures. We see nodes in these networks as being highly cognitive and hence capable of being persistently aware of resource constraints through the many observations they can make. Therefore the self-planning and self-architecting nature also provides a framework for ’thinking sustainability’. The networks have the potential to take action and self-optimise in line with objectives around resource usage, etc.
CTVR / the telecommunications research centre,
Dunlop Oriel House,
Trinity College,
University of Dublin,
Ireland.
+353 (0)1 8968441
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