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- W2443223475 abstract "Wireless operators, in developed or emerging regions, must support triple-play service oerings as demanded by the market or mandated by regulatory bodies through so-called Universal Service Obligations (USOs). Since individual operators might face dierent constraints such as available spectrum licenses, technologies, cost structures or a low energy footprint, the EU FP7 CARrier grade wireless MEsh Network (CARMEN) project has developed a carriergrade heterogeneous multi-radio back-haul architecture which may be deployed to extend, complement or even replace traditional operator equipment. To support ooading of live triple-play content to broadcast-optimized, e.g. DVB-T, overlay cells, this heterogeneous wireless back-haul architecture integrates unidirectional broadcast technologies. In order to manage the physical and logical resources of such a network, a centralized coordinator approach has been chosen, where no routing state is kept at plain WiBACK Nodes (WNs) which merely store QoS-aware MPLS forwarding state. In this paper we present our Unidirectional Technology (UDT)-aware design of the centralized Topology Management Function (TMF), which provides a framework for dierent topology and spectrum allocation optimization strategies and algorithms to be implemented. Following the validation of the design, we present evaluation results using a hybrid local/centralized topology optimizer showing that our TMF design supports the reliable forming of optimized topologies as well as the timely recovery from node failures." @default.
- W2443223475 created "2016-06-24" @default.
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- W2443223475 date "2012-01-01" @default.
- W2443223475 modified "2023-09-24" @default.
- W2443223475 title "Topology Forming and Optimization Framework for Heterogeneous Wireless Back-Haul Networks supporting Unidirectional Technologies" @default.
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