NDLI: On disaster recovery in OFDMA environment

Content Provider	IEEE Xplore Digital Library
Author	Radiano, E. Amrani, O.
Copyright Year	2014
Description	Author affiliation: Sch. of Electr. Eng., Tel Aviv Univ., Tel Aviv, Israel (Radiano, E.; Amrani, O.)
Abstract	In this talk we describe a communication approach referred to as Random Orthogonal Frequency Division Multiple Access (R-OFDMA). This approach addresses directly issues of receiver complexity, collision handling, protocol overheads and scalability. Among the applications of this method reside such that require strategic survivability of the network (emergency services, public safety, and more). This approach addresses common problems of protocol based communication techniques, such as resource allocation management, collision detection and retransmission. These problems burdens a lot of overhead on the system utilization and throughput, especially in situations of increased collisions and retransmissions when the network tries to recover. In the wireless domain, a key objective of R-OFDMA is to segment between steady state and disaster, it does not aim for steady state daily situations where the currently proposed 4G solution is good enough. R-OFDMA assumes vast number of end users trying to communicate with data bursts simultaneously, but only prioritized active users that are responsible for recovery of the network will be active simultaneously. An important ingredient of R-OFDMA is based on spectrum sensing, where errors on its part may cause false alarms and miss identification events, which can potentially degrade the quality-of-service experienced by active users. In this work, we describe the high level mechanism of R-OFDMA, accompanied by problem formulation and we develop an analytical model in order to reflect different event classes caused by spectrum sensing.
Starting Page	1
Ending Page	4
File Size	346672
Page Count	4
File Format	PDF
e-ISBN	9781479959884
DOI	10.1109/EEEI.2014.7005794
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-03
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensors Receivers Protocols Resource management OFDM Steady-state miss-identification R-OFDMA mobile communication emergency communication spectrum sensing false alarm
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
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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
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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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