Joint Optimization of File Placement and Delivery in Cache-Assisted Wireless Networks With Limited Lifetime and Cache Space

In this paper, the scheduling of downlink file transmission in one cell with the assistance of cache nodes with finite cache space is studied. Specifically, requesting users arrive randomly and the base station (BS) reactively multicasts files to the requesting users and selected cache nodes. The la...

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Bibliographic Details
Published in:	IEEE transactions on communications Vol. 68; no. 4; pp. 2339 - 2354
Main Authors:	Lv, Bojie, Wang, Rui, Cui, Ying, Gong, Yi, Tan, Haisheng
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.04.2020 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Algorithms Approximation Approximation algorithms Caching Downlink Dynamic programming Dynamic scheduling Machine learning Markov processes Mathematical analysis Multicast Nodes Optimization Placement Resource management Wireless networks
ISSN:	0090-6778, 1558-0857
Online Access:	Get full text
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