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Wireless Backhaul in 5G and Beyond: Issues, Challenges and Opportunities [article]

Berke Tezergil, Ertan Onur
2021 arXiv   pre-print
To name a few, rural connectivity, satellite communication, and mobile edge computing are some concepts for which wireless backhauling acts as an enabler.  ...  Small cell usage with wireless backhaul presents different security challenges.  ...  Furthermore, the introduction of new nodes closer to the existing nodes is possible with wireless backhauling. Mobility and LoS are challenges for small cell backhaul.  ... 
arXiv:2103.08234v2 fatcat:3fug6wsmtrg5bfxk2ga2f2al5i

The Evolution of Cellular Backhaul Technologies: Current Issues and Future Trends

Orawan Tipmongkolsilp, Said Zaghloul, Admela Jukan
2011 IEEE Communications Surveys and Tutorials  
However, the notion of network migration unavoidably raises new technical challenges relevant to aspects of TDM and packet network timing synchronization, QoS, and packet efficiency.  ...  The rapid increase of the number of mobile subscribers as well as the deployment of 3G technologies are putting strain on mobile backhaul operational expenditures (OPEX) which amount to 20-40% of total  ...  We would also like to thank the anonymous reviewers for their valuable comments and suggestions.  ... 
doi:10.1109/surv.2011.040610.00039 fatcat:2ideb6aolfhitarn6u3h6u27ya

Joint 3D UAV Placement and Resource Allocation in Software-defined Cellular Networks with Wireless Backhaul

Chunyu Pan, Jirong Yi, Changchuan Yin, Jian Yu, Xuehua Li
2019 IEEE Access  
In this paper, the utility maximization problem is investigated to determine how to improve the performance of multi-UAV enabled software-defined cellular networks (SDCNs) with wireless backhaul.  ...  The proposed problem is intractable since it is a mixed-integer combined non-convex problem.  ...  To provide reliable communication for UAVs, wireless backhaul and cellular-connected UAVs have recently emerged as a viable new solution since they are flexible and cost-efficient [6] - [8] .  ... 
doi:10.1109/access.2019.2927521 fatcat:b5gmhqkcynclzchdn2holq5rzi

On Practical Aspects of Mobile Data Offloading to Wi-Fi Networks [article]

Adnan Aijaz, Nazir Uddin, Oliver Holland, A. Hamid Aghvami
2015 arXiv   pre-print
Though offloading to Wi-Fi networks has matured over the years, a number of challenges are still being faced by operators to its realization.  ...  In this article, we carry out a survey of the practical challenges faced by operators in data traffic offloading to Wi-Fi networks.  ...  With the increasing focus on data usage very creative and dynamic billing packages are surfacing. New packages such as users sharing their data package within a selective social group are picking up.  ... 
arXiv:1508.01926v1 fatcat:gdjh7ferzfakdnpnvat3gquke4

Multi-Access Edge Computing Architecture, Data Security and Privacy: A Review

Belal Ali, Mark A. Gregory, Shuo Li
2021 IEEE Access  
, and approaches to overcome the challenges.  ...  The contribution of this review is to: • Investigate the MEC architecture, functional layers and to identify the security challenges. • Provide a comprehensive survey of MEC data security domains and present  ...  Security and privacy challenges related to data management remain open, and a discussion on how the challenges are being tackled is provided. A.  ... 
doi:10.1109/access.2021.3053233 fatcat:hhwr3kqfnzhshijnr6uwfep55i

Driving forces for Multi-Access Edge Computing (MEC) IoT integration in 5G

Madhusanka Liyanage, Pawani Porambage, Aaron Yi Ding, Anshuman Kalla
2021 ICT Express  
Thus, MEC allows network operators to open up their networks to a wide range of innovative services, thereby giving rise to a brand-new ecosystem and a value chain.  ...  Moreover, our goal is to provide the close alliance between MEC and these four driving technologies in the 5G IoT context and to identify the open challenges, future directions, and concrete integration  ...  Thus in MEC systems, it is challenging to identify, authenticate, and authorize devices and the data they generate from the edge to the cloud and back while maintaining a latency of milliseconds' order  ... 
doi:10.1016/j.icte.2021.05.007 fatcat:yabezlyxwzchxftgqxackcc3ni

Collaborative Mobile Edge Computing in 5G Networks: New Paradigms, Scenarios, and Challenges [article]

Tuyen X. Tran, Abolfazl Hajisami, Parul Pandey, Dario Pompili
2017 arXiv   pre-print
Mobile Edge Computing (MEC) is an emerging paradigm that provides computing, storage, and networking resources within the edge of the mobile Radio Access Network (RAN).  ...  This approach alleviates the backhaul and core network and is crucial for enabling low-latency, high-bandwidth, and agile mobile services.  ...  edge of the RAN with a new function splitting and a new interface between the BSs and upper layer.  ... 
arXiv:1612.03184v2 fatcat:gssro5rmzfdjhiennmqv4gi43y

SDN and Virtualization-Based LTE Mobile Network Architectures: A Comprehensive Survey

Van-Giang Nguyen, Truong-Xuan Do, YoungHan Kim
2015 Wireless personal communications  
The eNodeB connects to a serving gateway (SGW) through a mobile backhaul network. The SGW serves a large number of eNodeBs and acts as the local mobility anchor point for the inter-eNodeB handover.  ...  The software-defined network (SDN) [4], a new network paradigm, came from the campus and enterprise network environments with the invention of the Openflow concept [5] .  ...  Supporting New Network Paradigms With the support of SDN and virtualization, the mobile cellular network promises to bring new benefits for upcoming applications and services or new network paradigms,  ... 
doi:10.1007/s11277-015-2997-7 fatcat:sb2xcs7oibezdnpfoxi2qkb5re

A Comprehensive Survey on Moving Networks [article]

Shan Jaffry, Rasheed Hussain, Xiang Gui, Syed Faraz Hasan
2020 arXiv   pre-print
Recently, a mobile layer of HetNet has been under consideration by the researchers and is often referred to as moving networks.  ...  The unprecedented increase in the demand for mobile data, fuelled by new emerging applications such as HD video streaming and heightened online activities has caused massive strain on the existing cellular  ...  Despite the current efforts, the security challenges in moving networks will be a bit different and enhanced version of the existing security and privacy challenges in the VANETs.  ... 
arXiv:2003.09979v1 fatcat:o5hsinumjraopcnipkyl2mrwf4

A Survey on the Security and the Evolution of Osmotic and Catalytic Computing for 5G Networks [chapter]

Gaurav Choudhary, Vishal Sharma
2019 5G Enabled Secure Wireless Networks  
Finally, various security challenges and open issues are discussed to emphasize the works to follow in this direction of research.  ...  The 5G networks have the capability to provide high compatibility for the new applications, industries, and business models.  ...  As given in [39] , the catalytic computing can be considered as a new paradigm to provide efficient resource sharing in wireless networks comprising users with high mobility.  ... 
doi:10.1007/978-3-030-03508-2_3 fatcat:vaux3rlnivhq5j2fad2hgmpbt4

The Potential Short- and Long-Term Disruptions and Transformative Impacts of 5G and Beyond Wireless Networks: Lessons Learnt from the Development of a 5G Testbed Environment [article]

Mohmammad N. Patwary and Syed Junaid Nawaz and Md. Abdur Rahman and Shree Krishna Sharma and Md Mamunur Rashid and Stuart J. Barnes
2020 arXiv   pre-print
Consequently, the rise of new infrastructures and spectrum stakeholders is anticipated.  ...  The anticipated deployment cost of 5G communication networks in the UK is predicted to be in between 30bn- 50bn, whereas the current annual capital expenditure of the mobile network operators (MNOs) is  ...  A variety of emerging new use-cases and networking paradigms demand new security requirements and considerations [58] .  ... 
arXiv:1909.10576v2 fatcat:627irjgvljbnferqueblaayici

A Survey on Mobile Edge Networks: Convergence of Computing, Caching and Communications

Shuo Wang, Xing Zhang, Yan Zhang, Lin Wang, Juwo YANG, Wenbo Wang
2017 IEEE Access  
Therefore, new architectures which bring network functions and contents to the network edge are proposed, i.e., mobile edge computing and caching.  ...  The traditional centralized network architecture cannot accommodate such user demands due to heavy burden on the backhaul links and long latency.  ...  ACKNOWLEDGMENT The authors would like to thank the editor and the anonymous reviewers for their constructive comments and suggestions, which improve the quality of this paper.  ... 
doi:10.1109/access.2017.2685434 fatcat:omhcphk735czrnmjnwkoory6hq

Use cases and scenarios of 5G integrated satellite-terrestrial networks for enhanced mobile broadband: The SaT5G approach

Konstantinos Liolis, Alexander Geurtz, Ray Sperber, Detlef Schulz, Simon Watts, Georgia Poziopoulou, Barry Evans, Ning Wang, Oriol Vidal, Boris Tiomela Jou, Michael Fitch, Salva Diaz Sendra (+2 others)
2018 International Journal of Satellite Communications And Networking  
the concept, objectives, challenges, and research pillars addressed by the SaT5G project, this paper elaborates on the selected use cases and scenarios for satellite communications positioning in the  ...  5G usage scenario of enhanced mobile broadband.  ...  The authors would like to thank their SaT5G consortium partners. ORCID Konstantinos Liolis http://orcid.org/0000-0003-2337-8148  ... 
doi:10.1002/sat.1245 fatcat:rvvffdqg2vcspiwyb5gho4k6s4

Catalyzing Cloud-Fog Interoperation in 5G Wireless Networks: An SDN Approach [article]

Peng Yang, Ning Zhang, Yuanguo Bi, Li Yu, Xuemin Shen
2016 arXiv   pre-print
However, as the number of mobile devices significantly increases, getting massive data into and out of the cloud wirelessly inflicts high pressure on the bandwidth, and meanwhile induces unpredictable  ...  The piling up storage and compute stacks in cloud data center are expected to accommodate the majority of internet traffic in the future.  ...  SDN, a new network paradigm that enables control-data separated operation, gives the controller a global view of the network via programmable control plane.  ... 
arXiv:1612.05291v1 fatcat:wsfahetec5b5rnykrz6yx5pdvi

A Comprehensive Study of Caching Effects on Fog Computing Performance

Marwa Mahfodh Abdulqadir, Azar Abid Salih, Omar M. Ahmed, Dathar Abas Hasan, Lailan M. Haji, Sarkar Hasan Ahmed, Rowaida Khalil Ibrahim, Karzan H. Sharif, Hivi Ismat Dino
2021 Asian Journal of Research in Computer Science  
Therefore, Fog computing can be the best solution for the Internet of things to present a practical and secure service for various clients.  ...  , various fog system algorithms, and also systematically examines the challenges in Fog Computing which act as a middle layer between IoT sensors or devices and data centers of the cloud.  ...  for significant data analysis on the Internet 2) new administration methods for edge devices in the fog and cloud paradigms, such as new APIs and web services, to increase IoT and cloud connectivity 3  ... 
doi:10.9734/ajrcos/2021/v10i430246 fatcat:fcf2vyeoabcv7kgoqas4cgtpfq
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