Energy-Efficient Wireless Communications: From Energy Modeling to Performance Evaluation

In this paper, we analyze energy-efficient communications based on an advanced energy consumption model for wireless devices. The developed model captures relationships between transmission power, transceiver distance, modulation order, channel fading, power amplifier (PA) effects, as well as other...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2019-08, Vol.68 (8), p.7643-7654
Main Authors: Mahmood, Farhad, Perrins, Erik, Liu, Lingjia
Format: Article
Language:English
Subjects:
Cellular communication
Circuits
Class AB
decay rate
Energy
Energy consumption
Energy management
Fading channels
Integrated circuit modeling
maximum drain efficiency
Modulation
multilevel quadrature amplitude modulation (MQAM)
peak to average ratio
Performance evaluation
power amplifier
Power amplifiers
Power management
Pulse shape
Radio frequency
RF transceiver
roll-off factor
Transceivers
Wireless communication
Wireless communications
Wireless networks
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Summary:In this paper, we analyze energy-efficient communications based on an advanced energy consumption model for wireless devices. The developed model captures relationships between transmission power, transceiver distance, modulation order, channel fading, power amplifier (PA) effects, as well as other circuit components in the radio frequency transceiver. Based the developed model, we are able to identify the optimal modulation order in terms of energy-efficiency under different situations (e.g., different transceiver distance, different PA classes and efficiencies, different pulse shape, etc). This provides an important framework for analyzing energy-efficient communications for different wireless systems ranging from cellular networks to wireless Internet of Things.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2019.2921304