Wireless Personal Communications

, Volume 45, Issue 3, pp 423-434

First online:

A Context Driven Architecture for Cognitive Radio Nodes

  • Balamuralidhar P. Affiliated withEmbedded Systems Innovation Lab, Tata Consultancy Services Email author 
  • , Ramjee PrasadAffiliated withCenter for Teleinfrastruktur (CTIF), Aalborg University

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access


A cognitive radio (CR), in its generic form, needs to be highly flexible and adaptive while desirably hiding its complexities from users and system programmers. For the autonomic management the CR needs to be aware of the ‘self’ and the ‘world’ around it. Embedded intelligence with cognitive and collaborative adaptations require innovative techniques for managing the functionality of the device. Complexity of the cognitive processes involved demand for formal methods for run time evaluations and verification. In this paper we propose a generic architecture for a cognitive node with a context driven approach which incorporates some formalisms including context spaces, ontology, process algebra to represent and manipulate various cognitive processes managing the cognitive node functionality.


Cognitive radio Ontology Semantic web Context awareness Process Algebra