By Topic

Green wireless communications via cognitive dimension: an overview

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Gürkan Gür ; Bogazici University ; Fatih Alagöz

Cognitive functions in wireless network nodes are beneficial for leveraging intricate trade-offs among energy efficiency, performance and practicality. There are two fundamental but entangled aspects of cognitive radios in the green communications context: leveraging CRs for energy efficiency and operation of CRs with energy efficiency. In practice, these two objectives overlap since the improvement of energy efficiency with CRs require efficient CRs, whereas efficient wireless communications require cognitive abilities at different network components and protocols. However, there are intrinsic challenges such as hardware complexity, algorithmic problems, and design trade-offs. In this article we present and discuss these issues to highlight the case of CRs for green wireless communication systems. Additionally, some fundamental trade-offs that emerge from these challenges and their impact on greening communications via cognitive functions are outlined.

Published in:

IEEE Network  (Volume:25 ,  Issue: 2 )