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Cited by 282

The DOI matches its Crossref record; 129 of the 129 references it cites were found in a registry or an index.

A Survey of Caching Techniques in Cellular Networks: Research Issues and Challenges in Content Placement and Delivery Strategies

Open access
Li, Liying, Zhao, Guodong, Blum, Rick S.·2018·IEEE Communications Surveys & Tutorials

Abstract

Mobile data traffic is currently growing exponentially and these rapid increases have caused the backhaul data rate requirements to become the major bottleneck to reducing costs and raising revenue for operators. To address this problem, caching techniques have attracted significant attention since they can effectively reduce the backhaul traffic by eliminating duplicate data transmission that carries popular content. In addition, other system performance metrics can also be improved through caching techniques, e.g., spectrum efficiency, energy efficiency, and transmission delay. In this paper, we provide a systematical survey of the state-of-the-art caching techniques that were recently developed in cellular networks, including macro-cellular networks, heterogeneous networks, device-to-device networks, cloud-radio access networks, and fog-radio access networks. In particular, we give a tutorial on the fundamental caching techniques and introduce caching algorithms from three aspects, i.e., content placement, content delivery, and joint placement and delivery. We provide comprehensive comparisons among different algorithms in terms of different performance metrics, including throughput, backhaul cost, power consumption, and network delay. Finally, we summarize the main research achievements in different networks, and highlight main challenges and potential research directions.

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Metadata

Authors
Li, L., Zhao, G., & Blum, R. S.
Venue
IEEE Communications Surveys & Tutorials
Published
2018
Volume
20
Issue
3
Pages
1710-1732
ISSN
  • 1553-877X (ISSN-L)
  • 2373-745X
OpenAlex
W2794673877
Cited by
282
References
129
FWCI
25.36
Type
journal article
Language
en
Open access
green

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Li, L., Zhao, G., & Blum, R. S. (2018). A Survey of Caching Techniques in Cellular Networks: Research Issues and Challenges in Content Placement and Delivery Strategies. IEEE Communications Surveys & Tutorials. https://doi.org/10.1109/comst.2018.2820021

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