LIBRA - Dynamic bandwidth allocation for ad-hoc networks

LIBRA is a multi-layered market for trading bandwidth in adhoc radio networks.

In the LIBRA model, relaying nodes trade capacity among each other, so that they will not interfere with each other.  Higher up, multi-hop paths are created by buying relaying capacity from the relaying nodes on the path.  

Each stream is assigned a budget, and this budget can be increased or decreased when more or less capacity is required.  

LIBRA enables hierarchical command structures to delegate of decision making to the lower entities, by providing them with budgets.  Higher entities only prioritize among their lower entities by assigning them different bugets.  If the tasks cannot be achieved, a lower level asks a higher level for more resources, which triggers a reprioritization and reallocation by the manager one level up.

 LIBRA is designed to be suited for delivering prioritized data streams in ad-hoc networks used in disaster scenarios, or military operations.


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Rasmusson, Lars and Janson, Sverker (2007) Libra, a Multi-hop Radio Network Bandwidth Market. In: 7th Scandinavian Workshop on Wireless Ad-hoc & Sensor Networks (ADHOC'07), 2-3 May 2007, Stockholm, Sweden.

This list was generated on Sun Jun 24 01:27:25 2018 CEST.