NDLI: Enabling coexistence of cognitive vehicular networks and IEEE 802.22 networks via optimal resource allocation

Content Provider	IEEE Xplore Digital Library
Author	You Han Ekici, E. Kremo, H. Altintas, O.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Ohio State Univ., Columbus, OH, USA (You Han; Ekici, E.) \|\| Dept. of Res. & Dev., Toyota InfoTechnology Center Co., Ltd., Tokyo, Japan (Kremo, H.; Altintas, O.)
Abstract	Many studies show that the Dedicated Short Range Communication band is insufficient to carry increasing wireless data traffic in vehicular networks. The release of large TV spectra by FCC for cognitive access provides additional spectrum resources to solve the spectrum scarcity problem. However, FCC allows fixed devices to use high transmitting powers, while requiring portable devices to use significantly lower powers. This power asymmetry policy leads to a challenging coexistence environment for portable (e.g., vehicular) and fixed (e.g., IEEE 802.22) networks. In this paper, we address the coexistence problem between vehicular and 802.22 networks via resource allocation. We show that the problem is an NP-hard mixed-integer nonlinear programming problem, to which we propose two algorithms. First, we convert it to a convex programming problem, and propose a near-optimal primal-dual algorithm. Next, we reformulate the problem as a packing problem, and present a constant-factor approximation algorithm. Finally, we evaluate the algorithms through numerical examples.
Starting Page	451
Ending Page	458
File Size	214944
Page Count	8
File Format	PDF
ISBN	9783901882746
DOI	10.1109/WIOPT.2015.7151105
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-25
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	IFIP
Subject Keyword	Programming Linear programming Mobile communication Ad hoc networks Mobile computing Optimization Vehicles
Content Type	Text
Resource Type	Article

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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
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