NDLI: Multi-user cross-layer optimization for delay-sensitive applications over wireless multihop mesh networks

Content Provider	IEEE Xplore Digital Library
Author	Awad, A. Nasr, O.A. Khairy, M.M.
Copyright Year	2011
Description	Author affiliation: Center for Wireless Studies, Faculty of Engineering, Cairo University, Egypt (Awad, A.; Nasr, O.A.; Khairy, M.M.)
Abstract	In this paper, the energy-limited wireless multihop mesh networks are considered. Minimizing the total transmission energy in the network, while satisfying the applications' delay constraints, is the target of our optimization problem. To achieve this goal, energy-efficient design should be supported across all layers of the protocol stack through a cross-layer design. This paper proposes energy-efficient joint routing, scheduling, and link adaptation strategies that minimize the total transmission energy in the network. The proposed cross-layer energy-aware algorithms allocate resources, dynamically according to channel quality and traffic load so as to minimize the overall transmission energy, while satisfying the given packets delay and bit error rate (BER) constraints. The resources considered are the transmitted power and modulation in the physical layer, scheduling in the link layer and routing in the network layer. In addition to the proposed optimal solution, suboptimum solutions are presented as well. The simulation results show that, under the same conditions, the proposed optimum algorithm has less energy consumption than routing algorithms that consider delay constraints only. Moreover, simulations show that the suboptimum algorithms have performance near to the optimum algorithm with a huge reduction in the complexity.
Starting Page	2289
Ending Page	2294
File Size	808882
Page Count	6
File Format	PDF
ISBN	9781457713460
e-ISBN	9781457713484
e-ISBN	9781457713477
DOI	10.1109/PIMRC.2011.6139927
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-11
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Optimization Complexity theory Algorithm design and analysis Routing Relays Spread spectrum communication Cross-Layer Optimization Energy efficiency Wireless mesh networks Link adaptation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
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