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Autonomic and responsive communication / network fabric

Dynamic association in wireless mesh networks

 

Objective

  1. Extend association mechanisms of WLANs to Wireless Mesh Networks (WMNs).
  2. Avoid common association problems and take into account WMNs’ specific characteristics.

 

Issues

  1. Expand on RSSI based association.
  2. Mitigate hot-spot congestion.
  3. Detect traffic load in real-time.
  4. Association oscillation avoidance.
  5. Accelerate network convergent speed.

Approach

  1. Cost metric to dynamically determine optimal association.
  2. Periodic probe broadcast frames.

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User-centric cross-layer design and optimization

 

Objective

  1. Derive user layer and model as part of protocol stack
  2. Investigate influence of user layer on cross-layer optimization

 

Issues
  1. Improve users’ satisfaction and meet dynamic requirements.
  2. Empower users to control and influence network resources based on behavior and capabilities.
  3. Optimization of network resource at access link side in terms of user Perceived Quality of Service(PQoS)
Approach
  1. Define user layer and its attributes.
  2. Identify key parameters to influence resource allocation to meet user PQoS.

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Distributed data caching and management

Intelligent peer-to-peer caching

 

Objective

Develop an intelligent and scalable peer-to-peer data caching & management system for ubiquitous sensor data.

 

 Issues
  1. Optimal data mining & discovery algorithms
  2. Maximise information value.
  3. Minimise cache size requirement.
  4. Minimise data traffic.
  5. Security, integrity and privacy issues  with shared data.
  6. Efficient public-private data partitioning algorithms.
  7. Optimal data structure to suit applications/services.
  8. Efficient Information extraction.

 

Approach

  1. Distributed caching in heterogeneous devices.
  2. Neighborhood context awareness.
  3. Hierarchical context aggregation and fusion.

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Context-Aware Middleware Systems