NDLI: Power Control for a Wireless Queueing System with Delayed State Information: Heavy Traffic Modeling and Numerical Analysis

Content Provider	IEEE Xplore Digital Library
Author	Ramezani, V. Buche, R.T. Chang, M.-H. Yipeng Yang
Copyright Year	2006
Description	Author affiliation: Intelligent Autom. Inc., Rockville, MD (Ramezani, V.)
Abstract	A resource allocation problem (power control) in a wireless queueing system using heavy traffic methods is extended to incorporate delay. Modeling delay is important in highspeed wireless networks for stability and good performance. Under the heavy traffic method without delay the queue dynamics are approximated by a limit model which is a controlled reflected diffusion. The delay case is obtained by "adding" in delay in queue state information into the limit model for the case without delay; this yields a (controlled) stochastic delay differential equation with reflection. An associated stochastic control problem for the delay case is solved numerically by a combination of the Markov chain approximation method and an application of the separation principle. We study the affect of delay on the performance of the system. In particular, we give simulation results detailing the cost and control, parameterized by the delay. We also give initial simulation results for a fixed delay case, but with varying arrival rates
Starting Page	1
Ending Page	7
File Size	8920004
Page Count	7
File Format	PDF
ISBN	142440617X
DOI	10.1109/MILCOM.2006.302159
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power control Queueing analysis Delay systems Traffic control Numerical models Power system modeling Numerical analysis Communication system traffic control Stochastic processes Resource management
Content Type	Text
Resource Type	Article

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