NDLI: Joint rate control and scheduling for providing bounded delay with high efficiency in multihop wireless networks

Content Provider	ACM Digital Library
Author	Rakocevic, Veselin Jahromizadeh, Soroush
Copyright Year	2015
Abstract	We consider the problem of supporting traffic with elastic bandwidth requirements and average end-to-end delay constraints in multihop wireless networks, with focus on source rates and link data rates as the key resource allocation decisions. The network utility maximization-based approaches to support delay-sensitive traffic have been predominantly based on either reducing link utilization, or approximation of links as M/D/1 queues, which lead to inefficient link utilization under optimal resource allocation, and mostly to unpredictable transient behavior of packet delays. On the contrary, we present an alternative formulation where the delay constraint is omitted and sources' utility functions are multiplied by a weight factor. The alternative optimization problem is solved by a scheduling algorithm incorporating a duality-based rate control algorithm at its inner layer, where link prices correlate with their average queueing delays. We then present an alternative strategy where the utility weight of each source is adjusted to ensure its desired optimal path prices, and hence the desired average path delays. Since the proposed strategy is based on solving a concave optimization problem for the elastic traffic, it leads to maximal utilization of the network capacity. The proposed approach is then realized by a scheduling algorithm that runs jointly with an integral controller whereby each source independently regulates the queueing delay on its paths at the desired level, using its utility weight factor as the control variable. The proposed algorithms are shown, using theoretical analysis and simulation, to achieve asymptotic regulation of end-to-end delay with good performance.
Starting Page	1686
Ending Page	1698
Page Count	13
File Format	PDF
ISSN	10636692
DOI	10.1109/TNET.2013.2282872
Volume Number	22
Issue Number	5
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-10-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ad hoc networks Cross-ayer design Quality of service Wireless networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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