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المؤلفBadawy A.
المؤلفEl Shafie A.
المؤلفKhattab T.
تاريخ الإتاحة2022-11-01T09:01:32Z
تاريخ النشر2020
اسم المنشورIEEE Communications Letters
المصدرScopus
المصدر2-s2.0-85083179495
معرّف المصادر الموحدhttp://dx.doi.org/10.1109/LCOMM.2020.2970014
معرّف المصادر الموحدhttp://hdl.handle.net/10576/35690
الملخصQuickest change detection (QCD) is a fundamental problem in many applications. Given a sequence of measurements that exhibits two different distributions around a certain flipping point, the goal is to detect the change in distribution around the flipping point as quickly as possible. The QCD problem appears in many practical applications, e.g., quality control, power system line outage detection, spectrum reuse, and resource allocation and scheduling. In this letter, we focus on spectrum sensing as our application since it is a critical process for proper functionality of cognitive radio networks. Relying on the cumulative sum (CUSUM), we derive the probability of detection and the probability of false alarm of CUSUM based spectrum sensing. We show the correctness of our derivations using numerical simulations. 1997-2012 IEEE.
راعي المشروعManuscript received December 28, 2019; revised January 20, 2020; accepted January 20, 2020. Date of publication January 28, 2020; date of current version April 9, 2020. This work was supported by the Qatar National Research Fund, QNRF (a member of Qatar Foundation, QF) under Grant NPRP 7-923-2-344. The statements made herein are the sole responsibility of the authors. The associate editor coordinating the review of this letter and approving it for publication was F. Wang. (Corresponding author: Ahmed El Shafie.) Ahmed Badawy was with the Electrical Engineering Department, Qatar University, Doha, Qatar. He is now with the DET, Politecnico di Torino, 10129 Turin, Italy (e-mail: ahmed.badawy@polito.it).
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعCognitive radio
CUSUM detection
Quickest detection
Spectrum sensing
العنوانOn the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum
النوعArticle
الصفحات739-743
رقم العدد4
رقم المجلد24
dc.accessType Abstract Only


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