Decision-theoretic distributed channel selection for opportunistic spectrum access: Strategies, challenges and solutions
Opportunistic spectrum access (OSA) has been regarded as the most promising approach to
solve the paradox between spectrum scarcity and waste. Intelligent decision making is key …
solve the paradox between spectrum scarcity and waste. Intelligent decision making is key …
Energy efficiency in wireless networks via fractional programming theory
A Zappone, E Jorswieck - Foundations and Trends® in …, 2015 - nowpublishers.com
This monograph presents a unified framework for energy efficiency maximization in wireless
networks via fractional programming theory. The definition of energy efficiency is introduced …
networks via fractional programming theory. The definition of energy efficiency is introduced …
Robust AN-aided beamforming and power splitting design for secure MISO cognitive radio with SWIPT
A multiple-input single-output cognitive radio downlink network is studied with simultaneous
wireless information and power transfer. In this network, a secondary user coexists with …
wireless information and power transfer. In this network, a secondary user coexists with …
Energy-harvesting-aided spectrum sensing and data transmission in heterogeneous cognitive radio sensor network
The incorporation of cognitive radio (CR) and energy harvesting (EH) capabilities in wireless
sensor networks enables spectrum and energy-efficient heterogeneous CR sensor networks …
sensor networks enables spectrum and energy-efficient heterogeneous CR sensor networks …
Cognitive radio networks with energy harvesting
We consider a cognitive radio network with an energy-harvesting secondary transmitter to
improve both energy efficiency and spectral efficiency. The goal of this paper is to determine …
improve both energy efficiency and spectral efficiency. The goal of this paper is to determine …
A fuzzy-based optimization technique for the energy and spectrum efficiencies trade-off in cognitive radio-enabled 5G network
In 5G systems, enhancing the energy efficiency (EE) and spectrum efficiency (SE) is a
significant task that is capable of fulfilling the demand of future wireless networks and …
significant task that is capable of fulfilling the demand of future wireless networks and …
Robust spectrum sensing with crowd sensors
This paper investigates the issue of cooperative spectrum sensing with a crowd of low-end
personal spectrum sensors (such as smartphones, tablets, and in-vehicle sensors), where …
personal spectrum sensors (such as smartphones, tablets, and in-vehicle sensors), where …
Reliable and efficient sub-Nyquist wideband spectrum sensing in cooperative cognitive radio networks
The rising popularity of wireless services resulting in spectrum shortage has motivated
dynamic spectrum sharing to facilitate efficient usage of the underutilized spectrum …
dynamic spectrum sharing to facilitate efficient usage of the underutilized spectrum …
Energy-efficient optimal power allocation for fading cognitive radio channels: Ergodic capacity, outage capacity, and minimum-rate capacity
Green communications is an inevitable trend for future communication network design,
especially for a cognitive radio network. Power allocation strategies are of crucial …
especially for a cognitive radio network. Power allocation strategies are of crucial …
Energy-efficient resource allocation for OFDM-based cognitive radio networks
S Wang, M Ge, W Zhao - IEEE transactions on communications, 2013 - ieeexplore.ieee.org
In this paper, we investigate the energy-efficient resource allocation in orthogonal frequency
division multiplexing (OFDM)-based cognitive radio (CR) networks, where we try to …
division multiplexing (OFDM)-based cognitive radio (CR) networks, where we try to …