NDLI: Cross-Layer Design of Opportunistic Spectrum Access in the Presence of Sensing Error

Content Provider	IEEE Xplore Digital Library
Author	Zhao, Q. Tong, L. Swami, A. Chen, Y.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., California Univ., Davis, CA (Zhao, Q.)
Abstract	We address the design of cognitive MAC protocols for opportunistic spectrum access in the presence of sensing error. Decentralized protocols are presented for ad hoc networks where there is no central coordinator or dedicated communication/control channel. Secondary users search for and access spectrum opportunities independently without exchanging local information on spectrum availability. We assume on-demand partial spectrum monitoring subject to sensing errors. Specifically, a secondary user may not be able to simultaneously sense the whole spectrum of interest due to hardware limitation and may only monitor the spectrum when it has data to transmit in order to conserve energy. We propose two approaches to formulating opportunistic spectrum access in the presence of sensing error by considering either a constraint on the probability of colliding with primary users or a penalty imposed on each collision. Under these formulations, we address the joint design of both the spectrum sensor at the physical layer and the cognitive protocol at the MAC layer to maximize spectrum efficiency while limiting the interference to primary users.
Starting Page	778
Ending Page	782
File Size	215528
Page Count	5
File Format	PDF
ISBN	1424403499
DOI	10.1109/CISS.2006.286572
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cross layer design Communication system control Access protocols Media Access Protocol Physical layer Ad hoc networks Hardware Interference constraints Monitoring Centralized control
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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