NDLI: Cross-layer resource optimisation in time-varying orthogonal frequency division multiple access networks with guaranteed delay

Content Provider	IET Digital Library
Author	Guo, Yashuang Yang, Qinghai Park, Daeyoung Kwak, Kyung Sup
Abstract	In this study, the authors investigate the delay-guaranteed resource optimisation in orthogonal frequency division multiple access networks under time-varying channels and bursty data arrivals. Stochastic optimisation model is employed to minimise the long-time-average transmit power consumption (PC) of base station under the constraints of network stability and individual user's delay requirement. They develop a delay-guaranteed power-optimal algorithm (DPOA) to obtain the optimal decisions of stochastic optimisation problem. Without prior knowledge of channel statistics and data arrivals, DPOA yields a time-averaged transmit PC that can arbitrarily approach the theoretical optimum attained by the network with complete knowledge of statistics. Simulations results verify the theoretical analysis on the network performance and show the effectiveness of DPOA.
Starting Page	1256
Ending Page	1263
Page Count	8
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 8, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0817
Journal	IET Communications
Publisher Date	2017-02-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Channel Statistics Cross-layer Resource Optimisation Data Arrivals Delay-guaranteed Power-optimal Algorithm Delay-guaranteed Resource Optimisation DPOA Frequency Division Multiple Access Long-time-average Transmit Power Consumption Modulation And Coding Method Multiple Access Communication OFDM Modulation Optimisation Technique Orthogonal Frequency Division Multiple Access Power Consumption Radio Link And Equipment Stochastic Optimisation Model Stochastic Programming Telecommunication Power Management Time-varying Channel Time-varying OFDMA Network Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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