Collaborative Cache Allocation and Transmission Scheduling for Multi-User in Edge Computingopen access
- Authors
- Yu, Bocheng; Zhang, Xingjun; You, Ilsun
- Issue Date
- 2020
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Device-to-device communication; Interference; Signal to noise ratio; Resource management; Base stations; Optimization; Throughput; Cover inequality; D2D-assisted edge caching network; edge caching networks; NP-hard; SINR
- Citation
- IEEE Access, v.8, pp 163953 - 163961
- Pages
- 9
- Journal Title
- IEEE Access
- Volume
- 8
- Start Page
- 163953
- End Page
- 163961
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/3695
- DOI
- 10.1109/ACCESS.2020.3021462
- ISSN
- 2169-3536
- Abstract
- Driven by the ubiquitous smart devices, wireless traffic data has increased significantly and brings a great burden on backhaul links. Edge caching and device-to-device are proved not only can overcome the above challenges, but also to reduce the energy consumption of devices. Meanwhile, the development of hardware makes it possible for terminal devices to cache popular content (referred to as "helpers"). In this paper, a device-to-device assisted edge caching network via helpers is designed to provide low-latency content access and alleviate the traffic load. Then, we formulate the problem of maximization of the successful delivery rate under the constraints of the Signal-to-Interference-plus-Noise Ratio and caching capacity as an integer programming and pose a novel efficient and effective scheme. Based on the algorithm, we first transform the problem into a tractable form. Then this paper presents a hybrid of heuristic approach and iterative selection method to limit the search scope. The simulations demonstrate the method can significantly reduce the system computation time. Moreover, the effects of different scenarios and parameter settings about the successful delivery rate of the Device-to-Device assisted edge caching networks are analyzed.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - College of Engineering > Department of Information Security Engineering > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/3695)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.