{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T18:41:39Z","timestamp":1780512099969,"version":"3.54.1"},"reference-count":150,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2021,7,24]],"date-time":"2021-07-24T00:00:00Z","timestamp":1627084800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61772175, 61771185, 62072158"],"award-info":[{"award-number":["61772175, 61771185, 62072158"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>With the explosive growth of smart devices and mobile applications, mobile core networks face the challenge of exponential growth in traffic and computing demand. Edge caching is one of the most promising solutions to the problem. The main purpose of edge caching is to place popular content that users need at the edge of the network, borrow free space to reduce user waiting time, and lighten the network load by reducing the amount of duplicate data. Due to the promising advantages of edge caching, there have been many efforts motivated by this topic. In this paper, we have done an extensive survey on the existing work from our own perspectives. Distinguished from the existing review articles, our work not only investigates the latest articles in this area, but more importantly, covers all the researches of the total process of edge caching from caching placement optimization, policy design, to the content delivery process. In particular, we discuss the benefits of caching placement optimization from the perspective of different stakeholders, detail the delivery process, and conduct in-depth discussions from the five phases, i.e., requested content analysis, user model analysis, content retrieval, delivery, and update. Finally, we put forward several challenges and potential future directions, and hope to bring some ideas for the follow-up researches in this area.<\/jats:p>","DOI":"10.3390\/s21155033","type":"journal-article","created":{"date-parts":[[2021,7,25]],"date-time":"2021-07-25T22:07:00Z","timestamp":1627250820000},"page":"5033","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["A Comprehensive Review on Edge Caching from the Perspective of Total Process: Placement, Policy and Delivery"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0209-4488","authenticated-orcid":false,"given":"Honghai","family":"Wu","sequence":"first","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yizheng","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingda","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Computer Science and Technology, Shandong University, Qingdao 266200, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huahong","family":"Ma","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ling","family":"Xing","sequence":"additional","affiliation":[{"name":"School of Information Engineering, Henan University of Science and Technology, Luoyang 471000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,7,24]]},"reference":[{"key":"ref_1","unstructured":"(2020, October 01). Cisco Annual Internet Report (2018\u20132023) White Paper. Available online: https:\/\/www.cisco.com\/c\/en\/us\/solutions\/collateral\/executive-perspectives\/annual-internet-report\/white-paper-c11-741490.html."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"290","DOI":"10.1109\/JCN.2003.6596611","article-title":"Ultra wide band wireless communications: A tutorial","volume":"5","author":"Benedetto","year":"2003","journal-title":"J. Commun. Netw."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1180","DOI":"10.1109\/JSAC.2014.2328144","article-title":"Massive MIMO multicasting in noncooperative cellular networks","volume":"32","author":"Xiang","year":"2014","journal-title":"IEEE J. Sel. Areas Commun."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1109\/MCOM.2015.7010534","article-title":"Point-to-multipoint in-band mmwave backhaul for 5G networks","volume":"53","author":"Taori","year":"2015","journal-title":"IEEE Commun."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1109\/MCOM.2013.6476878","article-title":"Seven ways that HetNets are a cellular paradigm shift","volume":"51","author":"Andrews","year":"2013","journal-title":"IEEE Commun."},{"key":"ref_6","unstructured":"Gorokhov, A. (2020, October 02). Coordinated Joint Transmission in WWAN. Available online: Http:\/\/ctw2010.ieee-ctw.org\/mon\/Gorokhov.pdf."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1109\/MCOM.2011.5706317","article-title":"Coordinated multipoint: Concepts, performance, and field trial results","volume":"49","author":"Irmer","year":"2011","journal-title":"IEEE Commun."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"1587","DOI":"10.1002\/wcm.1203","article-title":"A survey of mobile cloud computing: Architecture, applications, and approaches","volume":"13","author":"Dinh","year":"2013","journal-title":"Wirel. Commun. Mob. Comput."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1016\/j.comnet.2015.09.040","article-title":"Managing mobile cloud computing considering objective and subjective perspectives","volume":"93","author":"Marotta","year":"2015","journal-title":"Comput. Netw."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1109\/MNET.2013.6616110","article-title":"Follow me cloud: Interworking federated clouds and distributed mobile networks","volume":"27","author":"Taleb","year":"2013","journal-title":"IEEE Netw."},{"key":"ref_11","first-page":"138","article-title":"Survey on computation offloading in mobile edge computing","volume":"39","author":"Xie","year":"2018","journal-title":"J. Commun."},{"key":"ref_12","first-page":"2491","article-title":"Survey of Computation Offloading and Edge Caching in Mobile Edge Networks","volume":"30","author":"Zhang","year":"2019","journal-title":"J. Softw."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"260","DOI":"10.1109\/COMST.2018.2863030","article-title":"Game Theory for Multi-Access Edge Computing: Survey, Use Cases, and Future Trends","volume":"21","author":"Moura","year":"2019","journal-title":"IEEE Commun. Surv. Tutor."},{"key":"ref_14","first-page":"69","article-title":"Edge Computing: State-of-the-Art and Future Directions","volume":"56","author":"Shi","year":"2019","journal-title":"J. Comput. Res. Dev."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"93","DOI":"10.23919\/JCC.2019.08.009","article-title":"PECS: Towards Personalized Edge Caching for Future Service-Centric Networks","volume":"16","author":"Yan","year":"2019","journal-title":"China Commun."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"1711","DOI":"10.1109\/COMST.2018.2820021","article-title":"A Survey of Caching Techniques in Cellular Networks: Research Issues and Challenges in Content Placement and Delivery Strategies","volume":"20","author":"Li","year":"2018","journal-title":"IEEE Commun. Surv. Tutor."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1109\/MCOM.2016.7565183","article-title":"Caching at the wireless edge: Design aspects, challenges, and future directions","volume":"54","author":"Liu","year":"2016","journal-title":"IEEE Commun. Mag."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"27699","DOI":"10.1109\/ACCESS.2019.2898734","article-title":"Popularity-Based Video Caching Techniques for Cache-Enabled Networks: A Survey","volume":"7","author":"Goian","year":"2019","journal-title":"IEEE Access"},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"2525","DOI":"10.1109\/COMST.2019.2908280","article-title":"On Mobile Edge Caching","volume":"21","author":"Yao","year":"2019","journal-title":"IEEE Commun. Surv. Tutor."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"7187","DOI":"10.1109\/TWC.2016.2598748","article-title":"Proactive Caching for Mobile Video Streaming in Millimeter Wave 5G Networks","volume":"15","author":"Qiao","year":"2016","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"12314","DOI":"10.1109\/TVT.2019.2947334","article-title":"D2D-Enabled Mobile User Edge Caching: A Multi-Winner Auction Approach","volume":"68","author":"Zhang","year":"2019","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"7039","DOI":"10.1109\/TWC.2017.2737015","article-title":"Cache Placement in Fog-RANs: From Centralized to Distributed Algorithms","volume":"16","author":"Liu","year":"2017","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"253","DOI":"10.1109\/TPDS.2019.2931905","article-title":"Pache: A Packet Management Scheme of Cache in Data Center Networks","volume":"31","author":"Chen","year":"2020","journal-title":"IEEE Trans. Parallel Distrib. Syst."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"8529","DOI":"10.1109\/TVT.2020.2996238","article-title":"Delay-Oriented Caching Strategies in D2D Mobile Networks","volume":"69","author":"Sun","year":"2020","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Tran, A., Nguyen, T., Tuong, V., Dao, N., and Cho, S. (2020, January 7\u201310). On Stalling Minimization of Adaptive Bitrate Video Services in Edge Caching Systems. Proceedings of the 2020 International Conference on Information Networking (ICOIN), Spain, Barcelona.","DOI":"10.1109\/ICOIN48656.2020.9016606"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"2555","DOI":"10.1109\/TNSE.2020.2994638","article-title":"Decreasing Big Data Application Latency in Satellite Link by Caching and Peer Selection","volume":"7","author":"Jiang","year":"2020","journal-title":"IEEE Trans. Netw. Sci. Eng."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"74961","DOI":"10.1109\/ACCESS.2019.2918334","article-title":"User-Centric Delay-Aware Joint Caching and User Association Optimization in Cache-Enabled Wireless Networks","volume":"7","author":"Jing","year":"2019","journal-title":"IEEE Access"},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"9244","DOI":"10.1109\/TVT.2020.3001301","article-title":"Capacity-Aware Edge Caching in Fog Computing Networks","volume":"69","author":"Li","year":"2020","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_29","doi-asserted-by":"crossref","unstructured":"Chai, W.K., He, D., Psaras, I., and Pavlou, G. (2012, January 21\u201325). Cache \u201cLess for More\u201d in Information-Centric Networks. Proceedings of the International Conference on Research in Networking (NETWORKING 2012), Prague, Czech Republic.","DOI":"10.1007\/978-3-642-30045-5_3"},{"key":"ref_30","unstructured":"Wang, Y.G., Li, Z.Y., Tyson, G., Uhlig, S., and Xie, G. (2013, January 7\u201310). Optimal cache allocation for Content-Centric Networking. Proceedings of the 2013 21st IEEE International Conference on Network Protocols (ICNP), Goettingen, Germany."},{"key":"ref_31","doi-asserted-by":"crossref","unstructured":"Hu, X., Gong, J., Cheng, G., and Fan, C. (2015, January 8\u201312). Enhancing in-network caching by coupling cache placement, replacement and location. Proceedings of the 2015 IEEE International Conference on Communications (ICC), London, UK.","DOI":"10.1109\/ICC.2015.7249226"},{"key":"ref_32","doi-asserted-by":"crossref","unstructured":"Parvez, M.S., and Divya, H.M. (2015, January 26\u201327). Energy effficient cache node placement using genetic algorithm and cooperative caching algorithm. Proceedings of the 2015 2nd International Conference on Electronics and Communication Systems (ICECS), Coimbatore, India.","DOI":"10.1109\/ECS.2015.7125047"},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"2252","DOI":"10.1109\/TIT.2019.2955384","article-title":"Fundamental Limits of Coded Caching With Multiple Antennas, Shared Cachings and Uncoded Prefetching","volume":"66","author":"Parrinello","year":"2019","journal-title":"IEEE Trans. Inf. Theory"},{"key":"ref_34","doi-asserted-by":"crossref","unstructured":"Asadi, B., and Ong, L. (2019, January 2\u20135). Centralized Caching with Shared Caches in Heterogeneous Cellular Networks. Proceedings of the 2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Cannes, France.","DOI":"10.1109\/SPAWC.2019.8815401"},{"key":"ref_35","doi-asserted-by":"crossref","unstructured":"Shan, S., Feng, C., Zhu, G., and Zhang, T. (2020, January 22\u201325). Cooperative Cache Placement for Arbitrary Topology in Content Centric Networking. Proceedings of the 2020 IEEE 8th International Conference on Information, Communication and Networks (ICICN), Xi\u2019an, China.","DOI":"10.1109\/ICICN51133.2020.9205089"},{"key":"ref_36","first-page":"152","article-title":"Cache location selected algorithm for information-centric networking","volume":"41","author":"Wang","year":"2019","journal-title":"J. Natl. Univ. Def. Technol."},{"key":"ref_37","doi-asserted-by":"crossref","unstructured":"Okada, H., Shiroma, T., Wu, C., and Yoshinaga, T. (2018, January 27\u201330). A Color-Based Cooperative Caching Strategy for Time-Shifted Live Video Streaming. Proceedings of the 2018 Sixth International Symposium on Computing and Networking Workshops (CANDARW), Takayama, Japan.","DOI":"10.1109\/CANDARW.2018.00030"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"2321","DOI":"10.1109\/LCOMM.2019.2941482","article-title":"Multi-Armed Bandit Learning for Cache Content Placement in Vehicular Social Networks","volume":"23","author":"Bitaghsir","year":"2019","journal-title":"IEEE Commun. Lett."},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"3658","DOI":"10.1109\/TWC.2019.2916781","article-title":"Mobility-Aware Content Placement for Device-to-Device Caching Systems","volume":"18","author":"Song","year":"2019","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1002\/eqe.2486","article-title":"Efficient Bayesian sensor placement algorithm for structural identification: A general approach for multi-type sensory systems","volume":"44","author":"Yuen","year":"2015","journal-title":"Earthq. Eng. Struct. Dyn."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"2856","DOI":"10.1109\/TIT.2014.2306938","article-title":"Fundamental Limits of Caching","volume":"60","author":"Niesen","year":"2014","journal-title":"IEEE Trans. Inf. Theory"},{"key":"ref_42","doi-asserted-by":"crossref","unstructured":"Ghalehtaki, R.A., Kianpisheh, S., and Glitho, R. (2019, January 11\u201314). A Bee Colony-based Algorithm for Micro-cache Placement Close to End Users in Fog-based Content Delivery Networks. Proceedings of the 2019 16th IEEE Annual Consumer Communications and Networking Conference (CCNC), Las Vegas, NV, USA.","DOI":"10.1109\/CCNC.2019.8651773"},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"1566","DOI":"10.1109\/JSAC.2019.2916279","article-title":"Joint Pricing and Cache Placement for Video Caching: A Game Theoretic Approach","volume":"37","author":"Zou","year":"2019","journal-title":"IEEE J. Sel. Areas Commun."},{"key":"ref_44","doi-asserted-by":"crossref","unstructured":"Gao, X., Huang, X., Tang, Y., Shao, Z., and Yang, Y. (2020, January 7\u201311). Proactive Cache Placement with Bandit Learning in Fog-Assisted IoT Systems. Proceedings of the 2020 IEEE International Conference on Communications (ICC), Dublin, Ireland.","DOI":"10.1109\/ICC40277.2020.9149047"},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"5078","DOI":"10.3390\/e16095078","article-title":"Hierarchical Sensor Placement Using Joint Entropy and the Effect of Modeling Error","volume":"16","author":"Maria","year":"2014","journal-title":"Entropy"},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Ba\u015ftu\u011f, E., Gu\u00e9n\u00e9go, J., and Debbah, M. (2013, January 6\u20138). Proactive small cell networks. Proceedings of the International Conference on Telecommunications (ICT), Casablanca, Morocco.","DOI":"10.1109\/ICTEL.2013.6632164"},{"key":"ref_47","doi-asserted-by":"crossref","first-page":"82","DOI":"10.1109\/MCOM.2014.6871674","article-title":"Living on the edge: The role of proactive caching in 5G wireless networks","volume":"52","author":"Bennis","year":"2014","journal-title":"IEEE Commun."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"1917","DOI":"10.1109\/TNET.2014.2346694","article-title":"Gamal Proactive Content Download and User Demand Shaping for Data Networks","volume":"23","author":"Tadrous","year":"2015","journal-title":"IEEE ACM Trans. Netw."},{"key":"ref_49","doi-asserted-by":"crossref","unstructured":"Liu, Z., Dong, M., Gu, B., Zhang, C., Ji, Y., and Tanaka, Y. (2016, January 5\u20137). Impact of item popularity and chunk popularity in CCN caching management. Proceedings of the 2016 18th Asia-Pacific Network Operations and Management Symposium (APNOMS), Kanazawa, Japan.","DOI":"10.1109\/APNOMS.2016.7737213"},{"key":"ref_50","doi-asserted-by":"crossref","unstructured":"Wen, W., Cui, Y., Zheng, F.-C., and Jin, S. (2017, January 21\u201325). Random caching based cooperative transmission in heterogeneous wireless networks. Proceedings of the 2017 IEEE International Conference on Communications (ICC), Paris, France.","DOI":"10.1109\/ICC.2017.7997306"},{"key":"ref_51","doi-asserted-by":"crossref","first-page":"6287","DOI":"10.1109\/TCOMM.2018.2863367","article-title":"Enhancing Performance of Random Caching in Large-Scale Heterogeneous Wireless Networks With Random Discontinuous Transmission","volume":"66","author":"Wen","year":"2018","journal-title":"IEEE Trans. Commun."},{"key":"ref_52","doi-asserted-by":"crossref","unstructured":"Hu, L., Zheng, F., Luo, J., and Yang, L. (May, January 28). Random Caching Based Cooperative Transmission in HetNets in the Presence of Popularity Prediction Errors. Proceedings of the 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Kuala Lumpur, Malaysia.","DOI":"10.1109\/VTCSpring.2019.8746403"},{"key":"ref_53","doi-asserted-by":"crossref","unstructured":"Hu, L., Zheng, F., Luo, J., and Zhu, X. (2020, January 25\u201328). Random Caching Strategy in HetNets with Random Discontinuous Transmission. Proceedings of the 2020 IEEE Wireless Communications and Networking Conference (WCNC), Seoul, Korea.","DOI":"10.1109\/WCNC45663.2020.9120642"},{"key":"ref_54","doi-asserted-by":"crossref","unstructured":"Tanaka, M., Nagasue, K., Ogawa, J., Yokomichi, A., and Fujii, T. (2019, January 2\u20135). Proactive Cache System Using Cellular-Radio Information on MEC. Proceedings of the 2019 Eleventh International Conference on Ubiquitous and Future Networks (ICUFN), Zagreb, Croatia.","DOI":"10.1109\/ICUFN.2019.8806060"},{"key":"ref_55","unstructured":"Cui, Y.F., Zhao, M., and Wu, M.Q. (2016, January 20\u201323). A centralized control caching strategy based on popularity and betweenness centrality in CCN. Proceedings of the 2016 International Symposium on Wireless Communication Systems (ISWCS), Poznan, Poland."},{"key":"ref_56","doi-asserted-by":"crossref","unstructured":"Ibrahim, A.M., Zewail, A.A., and Yener, A. (2017, January 19\u201322). Centralized Coded Caching with Heterogeneous Cache Sizes. Proceedings of the 2017 IEEE Wireless Communications and Networking Conference (WCNC), San Francisco, CA, USA.","DOI":"10.1109\/WCNC.2017.7925535"},{"key":"ref_57","doi-asserted-by":"crossref","unstructured":"Gu, J., Wang, W., Huang, A., Shan, H., and Zhang, Z. (2014, January 10\u201314). Distributed cache replacement for caching-enable base stations in cellular networks. Proceedings of the 2014 IEEE International Conference on Communications (ICC), Sydney, NSW, Australia.","DOI":"10.1109\/ICC.2014.6883723"},{"key":"ref_58","doi-asserted-by":"crossref","unstructured":"Wang, S., Zhang, X., Yang, K., Wang, L., and Wang, W. (2015, January 2\u20134). Distributed edge caching scheme considering the tradeoff between the diversity and redundancy of cached content. Proceedings of the 2015 IEEE\/CIC International Conference on Communications in China (ICCC), Shenzhen, China.","DOI":"10.1109\/ICCChina.2015.7448604"},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"1048","DOI":"10.1109\/TMC.2017.2750143","article-title":"Fast Content Delivery via Distributed Caching and Small Cell Cooperation","volume":"17","author":"Ao","year":"2018","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_60","doi-asserted-by":"crossref","first-page":"3553","DOI":"10.1109\/TCOMM.2015.2455500","article-title":"Distributed Caching for Data Dissemination in the Downlink of Heterogeneous Networks","volume":"63","author":"Li","year":"2015","journal-title":"IEEE Trans. Commun."},{"key":"ref_61","doi-asserted-by":"crossref","unstructured":"Liu, J., Bai, B., Zhang, J., and Letaief, K.B. (2016, January 22\u201327). Content caching at the wireless network edge: A distributed algorithm via belief propagation. Proceedings of the2016 IEEE International Conference on Communications (ICC), Kuala Lumpur, Malaysia.","DOI":"10.1109\/ICC.2016.7510807"},{"key":"ref_62","doi-asserted-by":"crossref","unstructured":"Lu, L., Jiang, Y., Bennis, M., Ding, Z., Zheng, F., and You, X. (May, January 28). Distributed Edge Caching via Reinforcement Learning in Fog Radio Access Networks. Proceedings of the 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Kuala Lumpur, Malaysia.","DOI":"10.1109\/VTCSpring.2019.8746321"},{"key":"ref_63","doi-asserted-by":"crossref","unstructured":"Hu, Y., Jiang, Y., Bennis, M., and Zheng, F. (2018, January 27\u201330). Distributed Edge Caching in Ultra-Dense Fog Radio Access Networks: A Mean Field Approach. Proceedings of the 2018 IEEE 88th Vehicular Technology Conference (VTC-Fall), Chicago, IL, USA.","DOI":"10.1109\/VTCFall.2018.8690593"},{"key":"ref_64","doi-asserted-by":"crossref","unstructured":"Yang, C., Chen, Z., Yao, Y., Xia, B., and Liu, H. (2014, January 10\u201314). Energy efficiency in wireless cooperative caching networks. Proceedings of the 2014 IEEE International Conference on Communications (ICC), Sydney, NSW, Australia.","DOI":"10.1109\/ICC.2014.6884109"},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"1382","DOI":"10.1109\/TMC.2016.2597851","article-title":"Optimal Cooperative Content Caching and Delivery Policy for Heterogeneous Cellular Networks","volume":"16","author":"Jiang","year":"2017","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_66","doi-asserted-by":"crossref","first-page":"1863","DOI":"10.1109\/LCOMM.2016.2635637","article-title":"Cooperative RAN Caching Based on Local Altruistic Game for Single and Joint Transmissions","volume":"21","author":"Li","year":"2017","journal-title":"IEEE Commun. Lett."},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"1863","DOI":"10.1109\/TMC.2015.2474364","article-title":"A Provably Efficient Online Collaborative Caching Algorithm for Multicell-Coordinated Systems","volume":"15","author":"Gharaibeh","year":"2016","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_68","doi-asserted-by":"crossref","unstructured":"Ostovari, P., Wu, J., and Khreishah, A. (2016, January 10\u201313). Efficient Online Collaborative Caching in Cellular Networks with Multiple Base Stations. Proceedings of the 2016 IEEE 13th International Conference on Mobile Ad Hoc and Sensor Systems (MASS), Brasilia, Brazil.","DOI":"10.1109\/MASS.2016.027"},{"key":"ref_69","doi-asserted-by":"crossref","first-page":"2127","DOI":"10.1109\/TWC.2017.2785250","article-title":"Multi-Hop Cooperative Caching in Social IoT Using Matching Theory","volume":"17","author":"Wang","year":"2018","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"1791","DOI":"10.1109\/TMC.2017.2780834","article-title":"Cooperative Edge Caching in User-Centric Clustered Mobile Networks","volume":"17","author":"Zhang","year":"2018","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_71","doi-asserted-by":"crossref","first-page":"65934","DOI":"10.1109\/ACCESS.2019.2917638","article-title":"Exploiting Transmission and Caching Diversity in Caching-Enabled User-Centric Network: Analysis and Optimization","volume":"7","author":"Chen","year":"2019","journal-title":"IEEE Access"},{"key":"ref_72","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1109\/MCOM.2016.7537173","article-title":"Coding for caching: Fundamental limits and practical challenges","volume":"54","author":"Niesen","year":"2016","journal-title":"IEEE Commun. Mag."},{"key":"ref_73","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1109\/MCOM.2017.1600449CM","article-title":"Coding for Caching in 5G Networks","volume":"55","author":"Fadlallah","year":"2017","journal-title":"IEEE Commun. Mag."},{"key":"ref_74","doi-asserted-by":"crossref","first-page":"3099","DOI":"10.1109\/TIT.2018.2800059","article-title":"Coded Caching Schemes With Reduced Subpacketization From Linear Block Codes","volume":"64","author":"Tang","year":"2018","journal-title":"IEEE Trans. Inf. Theory"},{"key":"ref_75","doi-asserted-by":"crossref","unstructured":"Krishnan, P. (2018, January 25\u201329). Coded Caching via Line Graphs of Bipartite Graphs. Proceedings of the 2018 IEEE Information Theory Workshop (ITW), Guangzhou, China.","DOI":"10.1109\/ITW.2018.8613527"},{"key":"ref_76","doi-asserted-by":"crossref","first-page":"3212","DOI":"10.1109\/TIT.2016.2557804","article-title":"Hierarchical Coded Caching","volume":"62","author":"Karamchani","year":"2016","journal-title":"IEEE Trans. Inf. Theory"},{"key":"ref_77","doi-asserted-by":"crossref","unstructured":"Takita, M., Hirotomo, M., and Morii, M. (2017, January 19\u201322). Coded Caching for Hierarchical Networks with a Different Number of Layers. Proceedings of the 2017 Fifth International Symposium on Computing and Networking (CANDAR), Aomori, Japan.","DOI":"10.1109\/CANDAR.2017.85"},{"key":"ref_78","doi-asserted-by":"crossref","first-page":"2748","DOI":"10.1109\/TCOMM.2020.2970950","article-title":"Device-to-Device Coded-Caching With Distinct Cache Sizes","volume":"68","author":"Ibrahim","year":"2020","journal-title":"IEEE Trans. Commun."},{"key":"ref_79","doi-asserted-by":"crossref","first-page":"1484","DOI":"10.1109\/LCOMM.2019.2926967","article-title":"Physical Layer Security in Large\u2013Scale Probabilistic Caching: Analysis and Optimization","volume":"23","author":"Zhang","year":"2019","journal-title":"IEEE Commun. Lett."},{"key":"ref_80","doi-asserted-by":"crossref","first-page":"3404","DOI":"10.1109\/JIOT.2020.2969466","article-title":"Optimal Probabilistic Caching in Heterogeneous IoT Networks","volume":"7","author":"Zhang","year":"2020","journal-title":"IEEE Internet Things J."},{"key":"ref_81","doi-asserted-by":"crossref","first-page":"1283","DOI":"10.1109\/TWC.2017.2777483","article-title":"Optimization and Analysis of Probabilistic Caching in N-Tier Heterogeneous Networks","volume":"17","author":"Li","year":"2018","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_82","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1016\/j.peva.2015.06.013","article-title":"Dynamic service migration and workload scheduling in edge-clouds","volume":"91","author":"Urgaonkar","year":"2015","journal-title":"Perform. Eval."},{"key":"ref_83","doi-asserted-by":"crossref","first-page":"3805","DOI":"10.1109\/TVT.2019.2902245","article-title":"Exploiting Resource Contention in Highly Mobile Environments and Its Application to Vehicular Ad-Hoc Networks","volume":"68","author":"Paranthaman","year":"2019","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_84","doi-asserted-by":"crossref","first-page":"5346","DOI":"10.1109\/TVT.2018.2824345","article-title":"An Edge Caching Scheme to Distribute Content in Vehicular Networks","volume":"67","author":"Su","year":"2018","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_85","doi-asserted-by":"crossref","first-page":"2174","DOI":"10.1109\/TMC.2019.2921765","article-title":"Quality of Experience-Aware Mobile Edge Caching through a Vehicular Cloud","volume":"19","author":"Vigneri","year":"2020","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_86","doi-asserted-by":"crossref","unstructured":"Breslau, L., Cao, P., Fan, L., Phillips, G., and Shenker, S. (1999, January 21\u201325). Web caching and Zipf-like distributions: Evidence and implications. Proceedings of the IEEE INFOCOM \u201999. Conference on Computer Communications. Proceedings. Eighteenth Annual Joint Conference of the IEEE Computer and Communications Societies. The Future is Now (Cat. No.99CH36320), New York, NY, USA.","DOI":"10.1109\/INFCOM.1999.749260"},{"key":"ref_87","first-page":"40","article-title":"Modeling and analysis of video popularity in video-on-demand","volume":"9","author":"Zhu","year":"2016","journal-title":"Electron. Technol."},{"key":"ref_88","doi-asserted-by":"crossref","first-page":"1357","DOI":"10.1109\/TNET.2008.2011358","article-title":"Analyzing the Video Popularity Characteristics of Large-Scale User Generated Content Systems","volume":"17","author":"Cha","year":"2009","journal-title":"IEEE\/ACM Trans. Netw."},{"key":"ref_89","doi-asserted-by":"crossref","unstructured":"Jayasundara, C., Nirmalathas, A., Wong, E., and Nadarajah, N. (2010, January 6\u201310). Popularity-Aware Caching Algorithm for Video-on-Demand Delivery over Broadband Access Networks. Proceedings of the 2010 IEEE Global Telecommunications Conference GLOBECOM 2010, Miami, FL, USA.","DOI":"10.1109\/GLOCOM.2010.5683976"},{"key":"ref_90","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1186\/s13174-014-0008-y","article-title":"A survey on predicting the popularity of web content","volume":"5","author":"Tatar","year":"2014","journal-title":"J. Internet Serv. Appl."},{"key":"ref_91","doi-asserted-by":"crossref","unstructured":"Mehrizi, S., Tsakmalis, A., Chatzinotas, S., and Ottersten, B. (2019, January 15\u201318). A Feature-Based Bayesian Method for Content Popularity Prediction in Edge-Caching Networks. Proceedings of the 2019 IEEE Wireless Communications and Networking Conference (WCNC), Marrakesh, Morocco.","DOI":"10.1109\/WCNC.2019.8885590"},{"key":"ref_92","doi-asserted-by":"crossref","first-page":"915","DOI":"10.1109\/TMM.2018.2870521","article-title":"Content popularity prediction towards location-aware mobile edge caching","volume":"21","author":"Yang","year":"2019","journal-title":"IEEE Trans. Multimed."},{"key":"ref_93","first-page":"4309","article-title":"Learning based content caching and sharing for wireless networks","volume":"65","author":"Song","year":"2017","journal-title":"IEEE Trans. Commun."},{"key":"ref_94","doi-asserted-by":"crossref","unstructured":"Niu, Y., Qin, X., and Zhang, Z. (2018, January 12\u201314). A Learning-Based Cooperative Caching Strategy in D2D Assisted Cellular Networks. Proceedings of the 2018 24th Asia-Pacific Conference on Communications (APCC), Ningbo, China.","DOI":"10.1109\/APCC.2018.8633483"},{"key":"ref_95","doi-asserted-by":"crossref","first-page":"151350","DOI":"10.1109\/ACCESS.2020.3014379","article-title":"Active Content Popularity Learning and Caching Optimization with Hit Ratio Guarantees","volume":"8","author":"Bommaraveni","year":"2020","journal-title":"IEEE Access"},{"key":"ref_96","doi-asserted-by":"crossref","first-page":"5412","DOI":"10.1109\/TII.2019.2954127","article-title":"Energy Minimization in D2D-Assisted Caching-Enabled Internet of Things: A Deep Reinforcement Learning Approach","volume":"16","author":"Tang","year":"2019","journal-title":"IEEE Trans. Ind. Inform."},{"key":"ref_97","doi-asserted-by":"crossref","unstructured":"Hou, T., Feng, G., Qin, S., and Jiang, W. (2017, January 4\u20138). Proactive content caching by exploiting transfer learning for mobile edge computingd for Content Popularity Prediction in Edge-Caching Networks. Proceedings of the GLOBECOM 2017\u20142017 IEEE Global Communications Conference, Singapore.","DOI":"10.1109\/GLOCOM.2017.8254636"},{"key":"ref_98","doi-asserted-by":"crossref","first-page":"5520","DOI":"10.1109\/JIOT.2019.2903245","article-title":"Online Proactive Caching in Mobile Edge Computing Using Bidirectional Deep Recurrent Neural Network","volume":"6","author":"Ale","year":"2019","journal-title":"IEEE Internet Things J."},{"key":"ref_99","doi-asserted-by":"crossref","first-page":"1268","DOI":"10.1109\/TCOMM.2018.2880482","article-title":"User preference learning-based edge caching for fog radio access network","volume":"67","author":"Jiang","year":"2019","journal-title":"IEEE Trans. Commun."},{"key":"ref_100","doi-asserted-by":"crossref","first-page":"483","DOI":"10.1002\/wcm.72","article-title":"A survey of mobility models for ad hoc network research","volume":"2","author":"Camp","year":"2002","journal-title":"Wirel. Commun. Mob. Comput."},{"key":"ref_101","doi-asserted-by":"crossref","first-page":"178033","DOI":"10.1109\/ACCESS.2019.2957025","article-title":"Analysis of Edge Computing Model for Real-Time Self-Organizing Push of Data in Wireless LAN Environment","volume":"7","author":"Feng","year":"2019","journal-title":"IEEE Access"},{"key":"ref_102","doi-asserted-by":"crossref","first-page":"1679","DOI":"10.1109\/COMST.2015.2419819","article-title":"Mobility Models, Traces and Impact of Mobility on Opportunistic Routing Algorithms: A Survey","volume":"17","author":"Batabyal","year":"2015","journal-title":"IEEE Commun. Surv. Tutor."},{"key":"ref_103","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1109\/MCOM.2016.7537180","article-title":"Mobility-aware caching for content-centric wireless networks: Modeling and methodology","volume":"54","author":"Wang","year":"2016","journal-title":"IEEE Commun. Mag."},{"key":"ref_104","doi-asserted-by":"crossref","first-page":"773","DOI":"10.1109\/JSAC.2008.080604","article-title":"Fixed Point Opportunistic Routing in Delay Tolerant Networks","volume":"26","author":"Conan","year":"2008","journal-title":"IEEE J. Sel. Areas Commun."},{"key":"ref_105","doi-asserted-by":"crossref","unstructured":"Lee, J.K., and Hou, J.C. (2006, January 22\u201325). Modeling steady-state and transient behaviors of user mobility. Proceedings of the 7th ACM Interational Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc 2006, Florence, Italy.","DOI":"10.1145\/1132905.1132915"},{"key":"ref_106","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1023\/B:WINE.0000036458.88990.e5","article-title":"Stochastic Properties of the Random Waypoint Mobility Model","volume":"10","author":"Bettstetter","year":"2004","journal-title":"Wirel. Netw."},{"key":"ref_107","doi-asserted-by":"crossref","first-page":"477","DOI":"10.1109\/TNET.2002.801403","article-title":"Mobility increases the capacity of ad hoc wireless networks","volume":"10","author":"Grossglauser","year":"2002","journal-title":"IEEE ACM Trans. Netw."},{"key":"ref_108","doi-asserted-by":"crossref","unstructured":"Hosny, S., Eryilmaz, A., Abouzeid, A.A., and El Gamal, H. (2016, January 27\u201330). Mobility-aware centralized D2D caching networks. Proceedings of the 2016 54th Annual Allerton Conference on Communication, Control, and Computing (Allerton), Monticello, IL, USA.","DOI":"10.1109\/ALLERTON.2016.7852303"},{"key":"ref_109","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1109\/TMC.2016.2575837","article-title":"Code, caching and deliver on the move: A novel caching paradigm in hyper-dense small-cell networks","volume":"16","author":"Poularakis","year":"2017","journal-title":"IEEE Trans. Mob. Comput."},{"key":"ref_110","doi-asserted-by":"crossref","first-page":"62","DOI":"10.1109\/TCCN.2019.2937519","article-title":"Mobility-Aware Content Preference Learning in Decentralized Caching Networks","volume":"6","author":"Ye","year":"2020","journal-title":"IEEE Trans. Cogn. Commun. Netw."},{"key":"ref_111","doi-asserted-by":"crossref","first-page":"6833","DOI":"10.1109\/TVT.2019.2918712","article-title":"Energy-Efficient Mobility-Aware Caching Algorithms for Clustered Small Cells in Ultra-Dense Networks","volume":"68","author":"Keshavarzian","year":"2019","journal-title":"IEEE Trans. Veh. Technol."},{"key":"ref_112","doi-asserted-by":"crossref","unstructured":"Chen, Y., Liao, K., Ku, M., and Tso, F.P. (2019, January 9\u201313). Mobility-Aware Probabilistic Caching in UAV-Assisted Wireless D2D Networks. Proceedings of the 2019 IEEE Global Communications Conference (GLOBECOM), Waikoloa, HI, USA.","DOI":"10.1109\/GLOBECOM38437.2019.9013432"},{"key":"ref_113","doi-asserted-by":"crossref","unstructured":"Bernardini, C., Silverston, T., and Festor, O. (2014, January 2\u20134). Socially-aware caching strategy for content centric networking. Proceedings of the 2014 IFIP Networking Conference, Trondheim, Norway.","DOI":"10.1109\/IFIPNetworking.2014.6857093"},{"key":"ref_114","doi-asserted-by":"crossref","unstructured":"Gabr, B., Soret, B., Popovski, P., Hosny, S., and Nafie, M. (2019, January 9\u201313). Social-Aware Content Delivery in Low Latency D2D Caching Networks. Proceedings of the 2019 IEEE Globecom Workshops (GC Wkshps), Waikoloa, HI, USA.","DOI":"10.1109\/GCWkshps45667.2019.9024640"},{"key":"ref_115","doi-asserted-by":"crossref","first-page":"12784","DOI":"10.1109\/ACCESS.2020.2966289","article-title":"Network Coding based Socially-aware Caching Strategy in D2D","volume":"8","author":"Cai","year":"2020","journal-title":"IEEE Access"},{"key":"ref_116","doi-asserted-by":"crossref","first-page":"107249","DOI":"10.1016\/j.comnet.2020.107249","article-title":"Many-to-Many Matching for Social-aware Minimized Redundancy Caching in D2D-Enabled Cellular Networks","volume":"175","author":"Qian","year":"2020","journal-title":"Comput. Netw."},{"key":"ref_117","doi-asserted-by":"crossref","unstructured":"Takeda, D., Sugawara, S., Fukushima, N., and Ishibashi, Y. (2015, January 8\u201311). An Efficient Content Searching Method Using Query Transmission Records with Content Cache Routers in Unstructured Peer-to-Peer Networks. Proceedings of the 2015 Third International Symposium on Computing and Networking (CANDAR), Sapporo, Japan.","DOI":"10.1109\/CANDAR.2015.22"},{"key":"ref_118","doi-asserted-by":"crossref","first-page":"3665","DOI":"10.1109\/TCOMM.2014.2351796","article-title":"Approximation Algorithms for Mobile Data Caching in Small Cell Networks","volume":"62","author":"Poularakis","year":"2014","journal-title":"IEEE Trans. Commun."},{"key":"ref_119","doi-asserted-by":"crossref","unstructured":"Poularakis, K., Iosifidis, G., Argyriou, A., and Tassiulas, L. (May, January 27). Video delivery over heterogeneous cellular networks: Optimizing cost and performance. Proceedings of the IEEE INFOCOM 2014\u2014IEEE Conference on Computer Communications, Toronto, ON, Canada.","DOI":"10.1109\/INFOCOM.2014.6848038"},{"key":"ref_120","doi-asserted-by":"crossref","unstructured":"Pantisano, F., Bennis, M., Saad, W., and Debbah, M. (2014, January 12\u201316). Cache-aware user association in backhaul-constrained small cell networks. Proceedings of the 2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), Hammamet, Tunisia.","DOI":"10.1109\/WIOPT.2014.6850276"},{"key":"ref_121","doi-asserted-by":"crossref","unstructured":"Takeda, D., and Sugawara, S. (2016, January 6\u20138). A Content Searching Scheme Using Popularity and Link Degree of Nodes in Unstructured P2P Networks with Cache Routers. Proceedings of the 2016 10th International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS), Fukuoka, Japan.","DOI":"10.1109\/CISIS.2016.60"},{"key":"ref_122","doi-asserted-by":"crossref","unstructured":"Fang, C., Yao, H., Wang, Z., Tu, Y., and Chen, Y. (2018, January 15\u201317). Edge Cache-based Intelligent Content Delivery in Information-Centric Wireless Networks. Proceedings of the 2018 1st IEEE International Conference on Hot Information-Centric Networking (HotICN), Shenzhen, China.","DOI":"10.1109\/HOTICN.2018.8606009"},{"key":"ref_123","doi-asserted-by":"crossref","unstructured":"Ayoub, O., Musumeci, F., Addeo, C., Mussini, M., and Tornatore, M. (2018, January 14\u201316). Caching Placement Strategies for Dynamic Content Delivery in Metro Area Networks. Proceedings of the 2018 IEEE International Multidisciplinary Conference on Engineering Technology (IMCET), Beirut, Lebanon.","DOI":"10.1109\/IMCET.2018.8603067"},{"key":"ref_124","doi-asserted-by":"crossref","unstructured":"de Almeida, D.F., Yen, J., and Aibin, M. (September, January 30). Content Delivery Networks\u2014Q-Learning Approach for Optimization of the Network Cost and the Cache Hit Ratio. Proceedings of the 2020 IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), London, ON, Canada.","DOI":"10.1109\/CCECE47787.2020.9255813"},{"key":"ref_125","doi-asserted-by":"crossref","unstructured":"Li, F., and Wu, J. (2009, January 22\u201326). LocalCom: A Community-based Epidemic Forwarding Scheme in Disruption-tolerant Networks. Proceedings of the 2009 6th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks, Rome, Italy.","DOI":"10.1109\/SAHCN.2009.5168942"},{"key":"ref_126","doi-asserted-by":"crossref","first-page":"2254","DOI":"10.1109\/TPDS.2012.83","article-title":"Exploiting friendship relations for efficient routing in mobile social networks","volume":"23","author":"Bulut","year":"2012","journal-title":"IEEE Trans. Parallel Distrib. Syst."},{"key":"ref_127","doi-asserted-by":"crossref","unstructured":"Fang, S., Khan, Z., and Fan, P. (2020, January 25\u201328). A Cooperative RSU Caching Policy for Vehicular Content Delivery Networks in Two-Way Road with a T-junction. Proceedings of the 2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring), Antwerp, Belgium.","DOI":"10.1109\/VTC2020-Spring48590.2020.9129007"},{"key":"ref_128","doi-asserted-by":"crossref","unstructured":"Ahlehagh, H., and Dey, S. (2012, January 1\u20134). Video caching in Radio Access Network: Impact on delay and capacity. Proceedings of the 2012 IEEE Wireless Communications and Networking Conference (WCNC), Paris, France.","DOI":"10.1109\/WCNC.2012.6214173"},{"key":"ref_129","unstructured":"Hassine, N.B., Marinca, D., Minet, P., and Barth, D. (2016, January 17\u201319). Caching strategies based on popularity prediction in content delivery networks. Proceedings of the 2016 IEEE 12th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), New York, NY, USA."},{"key":"ref_130","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1145\/2637364.2592021","article-title":"Revisiting caching in content delivery networks","volume":"42","author":"Shafiq","year":"2014","journal-title":"ACM Sigmetrics Perform. Eval. Rev."},{"key":"ref_131","unstructured":"Megiddo, N. (April, January 31). ARC: A self-tuning, low overhead Replacement cache. Proceedings of the USENIX File and Storaqe Technologies Conference (FAST\u201903), San Francisco, CA, USA."},{"key":"ref_132","doi-asserted-by":"crossref","first-page":"3837","DOI":"10.1109\/TCOMM.2018.2835479","article-title":"Caching With Time-Varying Popularity Profiles: A Learning-Theoretic Perspective","volume":"66","author":"Bharath","year":"2018","journal-title":"IEEE Trans. Commun."},{"key":"ref_133","doi-asserted-by":"crossref","first-page":"97505","DOI":"10.1109\/ACCESS.2019.2927836","article-title":"Deep Q-Learning-Based Content Caching with Update Strategy for Fog Radio Access Networks","volume":"7","author":"Jiang","year":"2019","journal-title":"IEEE Access"},{"key":"ref_134","unstructured":"Huang, X., Zhao, G., and Chen, Z. (2015, January 25\u201328). Segment-based random caching in device-to-device (D2D) caching networks. Proceedings of the 2015 International Symposium on Wireless Communication Systems (ISWCS), Brussels, Belgium."},{"key":"ref_135","doi-asserted-by":"crossref","unstructured":"Song, H., Wu, Q.Y., Liu, Z.K., Huang, P.Y., He, E., Deng, Y., and Zheng, Q. (2019, January 9\u201312). Dynamic Update Cache Scheme Based on Feedback Times for Device-to-Device Caching Networks. Proceedings of the 2019 8th International Conference on Networks, Communication and Computing. Association for Computing Machinery, New York, NY, USA.","DOI":"10.1145\/3375998.3376032"},{"key":"ref_136","doi-asserted-by":"crossref","first-page":"25509","DOI":"10.1109\/ACCESS.2020.2970783","article-title":"Cache Replacement Strategy With Limited Service Capacity in Heterogeneous Networks","volume":"8","author":"Jiang","year":"2020","journal-title":"IEEE Access"},{"key":"ref_137","doi-asserted-by":"crossref","unstructured":"Gerla, M., Lee, K.E., Pau, G., and Lee, U. (2014, January 6\u20138). Internet of vehicles: From intelligent grid to autonomous cars and vehicular clouds. Proceedings of the 2014 IEEE World Forum on Internet of Things (WF-IoT), Seoul, Korea.","DOI":"10.1109\/WF-IoT.2014.6803166"},{"key":"ref_138","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1109\/MNET.2018.1700202","article-title":"Learning IoT in edge: Deep learning for the internet of things with edge computing","volume":"32","author":"Li","year":"2018","journal-title":"IEEE Netw."},{"key":"ref_139","unstructured":"Bao, J.Y. (2020, January 21\u201323). Research on the technology of artificial intelligence in computer network under the background of big data. Proceedings of the 2020 International Conference on Computer Communication and Network Security (CCNS), Xi\u2019an, China."},{"key":"ref_140","doi-asserted-by":"crossref","first-page":"4554567","DOI":"10.1109\/TII.2018.2855187","article-title":"D2D communications in heterogeneous networks with full-duplex relays and edge caching","volume":"14","author":"Tan","year":"2018","journal-title":"IEEE Trans. Ind. Inform."},{"key":"ref_141","doi-asserted-by":"crossref","first-page":"3665","DOI":"10.1109\/TWC.2014.2316817","article-title":"Basestation assisted device-to-device communications for high-throughput wireless video networks","volume":"13","author":"Golrezaei","year":"2014","journal-title":"IEEE Trans. Wirel. Commun."},{"key":"ref_142","doi-asserted-by":"crossref","unstructured":"Wang, S., Urgaonkar, R., Zafer, M., He, T., Chan, K., and Leung, K.K. (2015, January 20\u201322). Dynamic service migration in mobile edge-clouds. Proceedings of the 2015 IFIP Networking Conference (IFIP Networking), Toulouse, France.","DOI":"10.1109\/IFIPNetworking.2015.7145316"},{"key":"ref_143","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1109\/COMST.2017.2749508","article-title":"Security, Privacy, and Access Control in Information-Centric Networking: A Survey","volume":"20","author":"Tourani","year":"2016","journal-title":"IEEE Commun. Surv. Tutor."},{"key":"ref_144","doi-asserted-by":"crossref","unstructured":"Liang, J., and Liu, Y. (2019, January 15\u201318). A Cache Privacy Protection Strategy Based on Content Privacy and User Security Classification in CCN. Proceedings of the 2019 IEEE Wireless Communications and Networking Conference (WCNC), Marrakesh, Morocco.","DOI":"10.1109\/WCNC.2019.8885819"},{"key":"ref_145","doi-asserted-by":"crossref","unstructured":"Abani, N., and Gerla, M. (2016, January 1\u20133). Centrality-based caching for privacy in Information-Centric Networks. Proceedings of the MILCOM 2016\u20142016 IEEE Military Communications Conference, Baltimore, MD, USA.","DOI":"10.1109\/MILCOM.2016.7795502"},{"key":"ref_146","doi-asserted-by":"crossref","first-page":"1419","DOI":"10.1109\/TCOMM.2015.2402121","article-title":"User-Centric Intercell Interference Nulling for Downlink Small Cell Networks","volume":"63","author":"Li","year":"2015","journal-title":"IEEE Trans. Commun."},{"key":"ref_147","unstructured":"Liu, J., and Sun, S. (2016, January 14\u201317). Energy efficiency analysis of dense small cell networks with caching at base stations. Proceedings of the 2016 2nd IEEE International Conference on Computer and Communications (ICCC), Chengdu, China."},{"key":"ref_148","doi-asserted-by":"crossref","first-page":"2275","DOI":"10.1109\/JSAC.2016.2577199","article-title":"Joint Caching, Routing, and Channel Assignment for Collaborative Small-Cell Cellular Networks","volume":"34","author":"Khreishah","year":"2016","journal-title":"IEEE J. Sel. Areas Commun."},{"key":"ref_149","doi-asserted-by":"crossref","unstructured":"Zhi, K., Chen, G., Qiu, L., Liang, X., and Ren, C. (2019, January 9\u201313). Analysis and Optimization of Random Caching in Multi-Antenna HetNets with Interference Nulling. Proceedings of the 2019 IEEE Global Communications Conference (GLOBECOM), Waikoloa, HI, USA.","DOI":"10.1109\/GLOBECOM38437.2019.9014037"},{"key":"ref_150","first-page":"978","article-title":"On Consideration of Content Preference and Sharing Willingness in D2D Assisted Offloading","volume":"35","author":"Pan","year":"2017","journal-title":"IEEE J. Sel. Areas Commun."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/21\/15\/5033\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T06:34:34Z","timestamp":1760164474000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/21\/15\/5033"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7,24]]},"references-count":150,"journal-issue":{"issue":"15","published-online":{"date-parts":[[2021,8]]}},"alternative-id":["s21155033"],"URL":"https:\/\/doi.org\/10.3390\/s21155033","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,7,24]]}}}