NDLI: A stochastic control approach for scheduling multimedia transmissions over a polled multiaccess fading channel

Content Provider	Springer Nature Link
Author	Goyal, Munish Kumar, Anurag Sharma, Vid
Copyright Year	2006
Abstract	We develop scheduling strategies for carrying multimedia traffic over a polled multiple access wireless network with fading. We consider a slotted system with three classes of traffic (voice, streaming media and file transfers). A Markov model is used for the fading and also for modeling voice packet arrivals and streaming arrivals. The performance objectives are a loss probability for voice, mean network delay for streaming media, and time average throughput for file transfers. A central scheduler (e.g., the access point in a single cell IEEE 802.11 wireless local area network (WLAN)) is assumed to be able to keep track of all the available state information and make the scheduling decision in each slot (e.g., as would be the case for PCF mode operation of the IEEE 802.11 WLAN). The problem is modeled as a constrained Markov decision problem. By using constraint relaxations (a linear relaxation and Whittle type relaxations) an index based policy is obtained. For the file transfers the decision problem turns out to be one with partial state information. Numerical comparisons are provided with the performance obtained from some simple policies.
Starting Page	605
Ending Page	621
Page Count	17
File Format	PDF
ISSN	10220038
Journal	Wireless Networks
Volume Number	12
Issue Number	5
e-ISSN	15728196
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-05-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Scheduling over fading wireless channels Indexability and index policies QoS in 802.11 wireless LANs Computer Communication Networks Electronic and Computer Engineering Business Information Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Information Systems Electrical and Electronic Engineering

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