1,432 Hits in 6.6 sec

Delay and reliability-constrained VNF placement on mobile and volatile 5G infrastructure [article]

Balázs Németh, Nuria Molner, Jorge Jorge Martín-Pérez, Carlos J. Bernardos, Antonio de la Oliva, Balázs Sonkoly
2020 arXiv   pre-print
This work tackles the mobility, and battery restrictions; as well as the temporal aspects and conflicting traits of reliable, low latency service deployment over a volatile network, where mobile compute  ...  The problem is formulated as a cost-minimizing Virtual Network Function placement optimization and an efficient heuristic is proposed.  ...  A realistic 5G network infrastructure topology is considered with multiple types of wireless access points, while the service graph instances are random graphs.  ... 
arXiv:2007.11870v1 fatcat:v6iyenhnnvfgriqjw5imrrchii

Future of Ultra-Dense Networks Beyond 5G: Harnessing Heterogeneous Moving Cells [article]

Sergey Andreev and Vitaly Petrov and Mischa Dohler and Halim Yanikomeroglu
2019 arXiv   pre-print
Particular attention is paid to quantifying the network performance scaling and session continuity gains with ultra-dense moving cells.  ...  Our findings argue for non-incremental benefits of integrating moving access points on a par with conventional (static) cellular access infrastructure.  ...  Practical Schemes for Moving Access Networks Today, most research studies are restricted to (semi-)static system topologies and/or may introduce prohibitive complexity for subsequent real-time implementation  ... 
arXiv:1706.05197v2 fatcat:zsvoutujwrfqxj2mfhet2hzi4m

Network-aware Placement Optimization for Edge Computing Infrastructure under 5G

Alejandro Santoyo-Gonzalez, Cristina Cervello-Pastor.
2020 IEEE Access  
Edge Computing has grown into a key solution for coping with the stringent latency requirements of 5G scenarios.  ...  of the in-place backhaul network.  ...  In addition, the lack of flexibility forces these models to be discarded when applied to the ultra-dense networking demands of 5G networking [28] , [32] .  ... 
doi:10.1109/access.2020.2982241 fatcat:wmkbfgq525bofiqxyhm2vcviki

6G Massive Radio Access Networks: Key Applications, Requirements and Challenges

Ying Loong Lee, Donghong Qin, Li-Chun Wang, Gek Hong Sim
2020 IEEE Open Journal of Vehicular Technology  
To cater to such a demand, an investigation of flexible and sustainable radio access network (RAN) techniques to support highly diverse requirements and massive connectivity is of utmost importance.  ...  Driven by the emerging use cases in massive access future networks, technological advancements and evolutions are needed for wireless communications beyond the fifth-generation (5G) networks.  ...  In particular, interference energy harvesting is most useful in ultra-dense networks with massive numbers of network nodes.  ... 
doi:10.1109/ojvt.2020.3044569 fatcat:gweyrbufhze6pcicremz5sfnoe

Ensemble Deep Learning Assisted VNF Deployment Strategy for Next-Generation IoT Services

Mahzabeen Emu, Salimur Choudhury
2021 IEEE Open Journal of the Computer Society  
We also address the challenges associated with state-of-the-art approaches to deal with dynamic network traffic and topology patterns.  ...  Overall, multi-access edge computing can intensify the performance of delay-sensitive IoT applications compared to the core cloud based VNF deployments.  ...  placements 97 in terms of minimizing costs and relocation overhead, with 98 ultra-low prediction time, and noticeably enhanced scalability 99 intelligence factor applicable for various dynamic practical  ... 
doi:10.1109/ojcs.2021.3098462 fatcat:mycl3xng55hnjkhczkb46axa5u

Slice Orchestration for Multi-Service Disaggregated Ultra-Dense RANs

Chia-Yu Chang, Navid Nikaein, Osama Arouk, Kostas Katsalis, Adlen Ksentini, Thierry Turletti, Konstantinos Samdanis
2018 IEEE Communications Magazine  
Ultra Dense Networks (UDNs) are a natural deployment evolution for handling the tremendous traffic increase related to the emerging 5G services, especially in urban environments.  ...  Indeed, network slicing in UDN deployments can offer the desired degree of customization in both vanilla Radio Access Network (RAN) designs, but also in the case of disaggregated multi-service RANs.  ...  INTRODUCTION To cope with emerging services and the associated data traffic volume increases, a key trend toward Fifth Generation (5G) deployments is network infrastructure densification, known as Ultra-Dense  ... 
doi:10.1109/mcom.2018.1701044 fatcat:xika3lgq4nbrriesbifhk4au5m

Dynamic Allocation of SDN Controllers in NFV-Based MEC for the Internet of Vehicles

Rhodney Simões, Kelvin Dias, Ricardo Martins
2021 Future Internet  
To this end, this article proposes an autonomic software-defined vehicular architecture grounded on the synergy of Multi-access Edge Computing (MEC) and Network Functions Virtualization (NFV) along with  ...  The expected huge amount of connected cars and applications with varying Quality of Service (QoS) demands still depend on agile/flexible networking infrastructure to deal with dynamic service requests  ...  volume of signaling and traffic of future dense vehicular networks.  ... 
doi:10.3390/fi13110270 doaj:206af43d342d47e5a75d93b6da29e601 fatcat:anfdzrqxenfy5jw3j4jmghhfti

Design Guidelines for Blockchain-Assisted 5G-UAV Networks [article]

Moayad Aloqaily and Ouns Bouachir and Azzedine Boukerche and Ismaeel Al Ridhawi
2020 arXiv   pre-print
This article envisions a 5G network environment that is supported by blockchain-enabled UAVs to meet dynamic user demands with network access supply.  ...  through fixed and costly base stations requires rethought to enable on-demand mobile access points in the form of Unmanned Aerial Vehicles (UAV) for diversified smart city scenarios.  ...  With the aid of blockchain, UAVs can act as mobile access points, routing entities or resource providers in a decentralized manner.  ... 
arXiv:2007.15286v1 fatcat:jhemm57pczdm7ote6svcawk63m

A Review on Application of Blockchain in 5G and Beyond Networks: Taxonomy, Field-trials, Challenges and Opportunities

Mohammad Tahir, Mohammed Hadi Habaebi, Mohammad Dabbagh, Amna Mughees, Abdul Ahad, Kazi Istiaque Ahmed
2020 IEEE Access  
In the CDN architecture, content placement and polices are key points to deliver the contents to the end-users with minimum latency.  ...  In [108] , an authentication scheme based on Blockchain is proposed to overcome the issue of authentication due to frequent handover in an ultra-dense network.  ...  He is currently an Associate Professor and the Post Graduate Academic Advisor with the Department of Electrical and Computer Engineering, International Islamic University Malaysia, where he heads the research  ... 
doi:10.1109/access.2020.3003020 fatcat:s4wcxzjccbcvxkmnwn7tsxtvvu

Linear state estimation via 5G C-RAN cellular networks using Gaussian belief propagation

Mirsad Cosovic, Dejan Vukobratovic, Vladimir Stankovic
2018 2018 IEEE Wireless Communications and Networking Conference (WCNC)  
Assuming that the measurements are communicated via densely deployed cloud radio access network (C-RAN), we formulate and solve the problem of estimating the system state from the set of signals collected  ...  The presented numerical study demonstrates the accuracy, convergence behavior and scalability of the proposed GBP-based solution to the large-scale state estimation problem.  ...  Complemented with ultra-dense RAN deployment and flexible and virtualized signal processing architecture, novel 5G network services that are particularly suitable for large-scale system monitoring and  ... 
doi:10.1109/wcnc.2018.8377399 dblp:conf/wcnc/CosovicV018 fatcat:oral65ejdnbdjfscvmwkrjltlm

A Survey on LoRa Networking: Research Problems, Current Solutions and Open Issues [article]

Jothi Prasanna Shanmuga Sundaram, Wan Du, Zhiwei Zhao
2019 arXiv   pre-print
Based on our detailed analysis of current solutions, some open issues of LoRa networking are discussed.  ...  The goal of this survey paper is to inspire more works on improving the performance of LoRa networks and enabling more practical deployments.  ...  [66] conduct experiment with single, multiple gateways and various SF to study the scalability of LoRaWAN in NS-3 simulator.  ... 
arXiv:1908.10195v1 fatcat:g4l7ybbxfvfjpjtcmjy3eil57q

Guest Editorial: Special Issue on Blockchain and Edge Computing Techniques for Emerging IoT Applications

Victor C. M. Leung, Xiaofei Wang, F. Richard Yu, Dusit Niyato, Tarik Taleb, Sangheon Pack
2021 IEEE Internet of Things Journal  
Focusing on the research of social-aware cloud computing, cooperative cell caching, and mobile traffic offloading, he has authored over 100 technical papers in  ...  intelligent ultra-dense edge computing (I-UDEC) framework in 5G ultra-dense network environments and a novel two-timescale deep reinforcement learning (2Ts-DRL) algorithm to achieve real-time and low overhead  ...  However, the current centralized IoT architecture is heavily restricted by the problems of single points of failure, data privacy, security, and robustness.  ... 
doi:10.1109/jiot.2021.3050050 fatcat:rux57gjppjdqla556myxnvp4ve

Latency-aware cost optimization of the service infrastructure placement in 5G networks

Alejandro Santoyo-González, Cristina Cervelló-Pastor
2018 Journal of Network and Computer Applications  
To achieve this goal, the service infrastructure placement optimization is needed in the interest of minimizing the delays in the service access layer.  ...  Mobile network planning studies and facility location research have exhaustively addressed similar problems (Wang et al., 2015; Barbati, 2013; Zhou et al., 2015; Carlsson et al., 2016; Wang and Ran, 2016  ...  Acknowledgment This work has been supported by the Ministerio de Economía y Competitividad of the Spanish Government under the project TEC2016-76795-C6-1-R and AEI/FEDER, UE.  ... 
doi:10.1016/j.jnca.2018.04.007 fatcat:e2tl3dte4rgxladbfsxmgt642u

Fundamental Implications for Location Accuracy in Ultra-Dense 5G Cellular Networks

John D. Roth, Murali Tummala, John C. McEachen
2019 IEEE Transactions on Vehicular Technology  
in ultra dense 5G infrastructures.  ...  This result is used to justify a positioning-services architecture that fundamentally embraces a variable number of supporting access points.  ...  with the advent of heterogeneous and dense networks [12] , [31] - [35] .  ... 
doi:10.1109/tvt.2018.2885413 fatcat:hhtcvyynkrcsdkysnh2uvktoty

Self-configuring localization systems

Nirupama Bulusu, John Heidemann, Deborah Estrin, Tommy Tran
2004 ACM Transactions on Embedded Computing Systems  
Very dense placement may not be a viable solution due to several reasons: Cost or Power: The cost of the beacons may preclude very dense beacon placement.  ...  Our solutions to beacon placement not only apply to other localization systems, but also provide a methodology and case study in tuning network density as a function of the level (fidelity) of network  ...  The aim of this experiment is to isolate and study the impact of beacon density on the Random, Max and Grid beacon placement algorithms. At low densities (  ... 
doi:10.1145/972627.972630 fatcat:5mhpk5g22be5rkqzvdbmqffawa
« Previous Showing results 1 — 15 out of 1,432 results