Cognitive Radio for Multimedia Traffic in Wireless Mesh Networks

In a cognitive wireless mesh network, licensed users (PUs) may borrow surplus spectrum from

other PUs and rent them to unlicensed users (SUs) for getting some revenue. For such spectrum

sharing paradigm, maximizing the revenue is the key objective of the PUs, while that of the SUs

is to meet their requirements and getting a good quality of service from the rented spectrum. PUs

exchange channels dynamically based on the availability of neighbor’s idle channels in a

cooperative manner in order to maximize PUs total revenue and utilize spectrum efficiently. We

need to develop a control policy that considers different requirements such as rewards for PUs,

wireless requirement (channel interference), the cost of spectrum renting and SUs satisfaction

(waiting time) and finds the optimal size and price of rented spectrum for each licensed user

under different radio environment conditions. Routing based on cognitive radio, power

management in wireless mesh networks, and spectrum pricing are other aspects that need to be…

Faculty Supervisor:

Anjali Agarwal

Student:

Partner:

Cistel Technology Inc.

Discipline:

Engineering

Sector:

Technology

University:

Concordia University

Program:

Accelerate

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