NDLI: Energy efficient resource allocation in orthogonal frequency division multiple access-based distributed antenna systems

Content Provider	IET Digital Library
Author	Yan, Jilei Wang, Yue Yang, Guorui Guo, Yantao Wu, Wei
Abstract	In this study, the energy efficient joint antenna scheduling, subcarrier assignment and power allocation are studied in an orthogonal frequency division multiple access-based distributed antenna system. A new power consumption model is proposed to the consideration of the backhauling power, which is appropriate for the architecture of distributed antenna deployment and centralised signal processing. Under the maximum transmit power constraint per distributed antenna unit and the minimum rate requirement per user, the authors formulate a mixed-integer optimisation problem to maximise the system energy efficiency. Due to the intractability, at first, a heuristic antenna scheduling strategy is proposed based on the received pilot signal power strength. Then, the remaining joint subcarrier and power allocation is equivalently turned into a parametric problem, which is solved by employing the Lagrange duality method and the Dinkelbach's algorithm. Simulation results show that the authors’ proposed joint resource allocation algorithm greatly improves the system energy efficiency.
Starting Page	1214
Ending Page	1220
Page Count	7
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 10, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0459
Journal	IET Communications
Publisher Date	2016-07-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Backhauling Power Centralised Signal Processing Dinkelbach Algorithm Distributed Antenna Deployment Distributed Antenna System Energy Efficient Resource Allocation Integer Programming Joint Antenna Scheduling Mixed Integer Optimisation Problem Optimisation Technique Orthogonal Frequency Division Multiple Access Power Allocation Signal Power Strength Signal Processing Signal Processing And Detection Single Antenna Subcarrier Assignment
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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