NDLI: Toward cell outage detection with composite hypothesis testing

Content Provider	IEEE Xplore Digital Library
Author	Qi Liao Wiczanowski, M. Stanczak, S.
Copyright Year	2012
Description	Author affiliation: Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Einsteinufer 37,10587 Berlin, Germany (Qi Liao; Wiczanowski, M.; Stanczak, S.)
Abstract	This paper presents a novel cell outage detection algorithm based on statistics and performance metrics, which enables a base station (BS) to detect a failure/outage of a neighbor cell. The algorithm is a weighted combination of three hypothesis tests based on: 1) the distribution of the channel quality indicator (CQI), 2) the time correlation of the CQI differential, and 3) the registration request (RRQ) frequency. The weights of the combined test are functions of the predicted traffic load in neighboring cells, which is motivated by the fact that the reliability of a individual test depends on the load state. To detect the change-point in the CQI distribution, we use an efficient discriminant function related to the “universal code” proposed by [1], which can be shown to be asymptotically optimal in the sense of the modified Neyman-Pearson criterion. The simulation results indicate that the proposed algorithm can detect the outage problem in a real-time and reliable manner.
Starting Page	4883
Ending Page	4887
File Size	269148
Page Count	5
File Format	PDF
ISBN	9781457720529
ISSN	15503607
e-ISBN	9781457720536
e-ISBN	9781457720512
DOI	10.1109/ICC.2012.6364384
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reliability Histograms Correlation Detection algorithms Error probability Testing Time frequency analysis universal code Cell outage detection self-organizing networks composite hypothesis testing Neyman-Pearson criterion
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
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