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primary topic: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching

On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching
type: AcademicArticle
type: Article
abstract: Cache hit ratio (CHR) is a common metric to evaluate the performance of an edge caching system. While CHR is efficient to measure throughput reduction gain, it fails to guarantee user quality of experience since CHR does not capture the last-mile channel uncertainty. In this letter, we investigate a novel successful delivery probability (SDP) metric of full-duplex enabled mobile edge caching (FD-MEC) systems, defined as a probability that the user receives the requested file before a tolerable delay. Firstly, the average SDP is derived in a closed-form expression for arbitrary caching policy and network topology, taking into account the wireless fading distribution. Secondly, based on the derived SDP, a sub-optimal cache placement is proposed to maximize the average SDP, which is analytically shown to surpass both the most popular and uniform caching policies. Finally numerical results are presented to verify the accuracy of our analysis and demonstrate the effectiveness of our proposed cache placement design.
date: 2019
is part of: IEEE Communication Letter
status: nonPeerReviewed
status: forthcoming
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
has document: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
subject: Communications
subject: Electronics and Communications
subject: ISI-indexed journals

On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
type: Document
has file: CL.pdf
has part: CL.pdf

IEEE Communications Society
type: Organization

IEEE Communication Letter
type: Collection
issn: 10897798

Symeon Chatzinotas
type: Person
given name: Symeon
family name: Chatzinotas

Vu Trinh Anh
type: Person
given name: Vu
family name: Trinh Anh

Bj¨orn Ottersten
type: Person
given name: Bj¨orn
family name: Ottersten

Lei Lei
type: Person
given name: Lei
family name: Lei

Thang Vu Xuan
type: Person
given name: Thang
family name: Vu Xuan

On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
type: Document
is version of: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
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On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
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On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
type: Document
is version of: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
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On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
type: Document
is version of: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
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On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (Other)
type: Document
is version of: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
is volatile version of: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching (PDF)
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primary topic: On The Successful Delivery Probability of Full-Duplex Enabled Mobile Edge Caching

Communications
type: Concept

Electronics and Communications
type: Concept

ISI-indexed journals
type: Concept