Spectrum-Aware Energy Efficiency Analysis in <i>K</i>-tier 5G HetNets

In future multi-tier cellular networks, cognitive radio (CR) compatible with device-to-device (D2D) communication can be an aid to enhance system spectral efficiency (SE) and energy efficiency (EE). Users in proximity can establish a direct connection with D2D communication and bypass the base stati...

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Bibliographic Details
Main Authors: Fereidoun H. Panahi, Farzad H. Panahi, Tomoaki Ohtsuki
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/10/7/839