Driven by the visions of Internet of Things and 5G communications, recent years have seen a paradigm shift in mobile computing, from the centralized mobile cloud computing toward mobile edge computing (MEC). The main feature of MEC is to push mobile computing, network control and storage to the network edges (e.g., base stations and access points) so as to enable computation-intensive and latency-critical applications at the resource-limited mobile devices. MEC promises dramatic reduction in latency and mobile energy consumption, tackling the key challenges for materializing 5G vision. The promised gains of MEC have motivated extensive efforts in both academia and industry on developing the technology. A main thrust of MEC research is to seamlessly merge the two disciplines of wireless communications and mobile computing, resulting in a wide-range of new designs ranging from techniques for computation offloading to network architectures. This paper provides a comprehensive survey of the state-of-the-art MEC research with a focus on joint radio-and-computational resource management. We also discuss a set of issues, challenges, and future research directions for MEC research, including MEC system deployment, cache-enabled MEC, mobility management for MEC, green MEC, as well as privacy-aware MEC. Advancements in these directions will facilitate the transformation of MEC from theory to practice. Finally, we introduce recent standardization efforts on MEC as well as some typical MEC application scenarios.

A Survey on Mobile Edge Computing: The Communication Perspective

Driven by the visions of Internet of Things and 5G communications, recent years have seen a paradigm shift in mobile computing, from the centralized Mobile Cloud Computing towards Mobile Edge Computing (MEC). The main feature of MEC is to push mobile computing, network control and storage to the network edges (e.g., base stations and access points) so as to enable computation-intensive and latency-critical applications at the resource-limited mobile devices. MEC promises dramatic reduction in latency and mobile energy consumption, tackling the key challenges for materializing 5G vision. The promised gains of MEC have motivated extensive efforts in both academia and industry on developing the technology. A main thrust of MEC research is to seamlessly merge the two disciplines of wireless communications and mobile computing, resulting in a wide-range of new designs ranging from techniques for computation offloading to network architectures. This paper provides a comprehensive survey of the state-of-the-art MEC research with a focus on joint radio-and-computational resource management. We also present a research outlook consisting of a set of promising directions for MEC research, including MEC system deployment, cache-enabled MEC, mobility management for MEC, green MEC, as well as privacy-aware MEC. Advancements in these directions will facilitate the transformation of MEC from theory to practice. Finally, we introduce recent standardization efforts on MEC as well as some typical MEC application scenarios.

Mobile edge computing (MEC) is an emergent architecture where cloud computing services are extended to the edge of networks leveraging mobile base stations. As a promising edge technology, it can be applied to mobile, wireless, and wireline scenarios, using software and hardware platforms, located at the network edge in the vicinity of end-users. MEC provides seamless integration of multiple application service providers and vendors toward mobile subscribers, enterprises, and other vertical segments. It is an important component in the 5G architecture which supports variety of innovative applications and services where ultralow latency is required. This paper is aimed to present a comprehensive survey of relevant research and technological developments in the area of MEC. It provides the definition of MEC, its advantages, architectures, and application areas; where we in particular highlight related research and future directions. Finally, security and privacy issues and related existing solutions are also discussed.

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Mobile Edge Computing: A Survey

Security has become the primary concern in many telecommunications industries today as risks can have high consequences. Especially, as the core and enable technologies will be associated with 5G network, the confidential information will move at all layers in future wireless systems. Several incidents revealed that the hazard encountered by an infected wireless network, not only affects the security and privacy concerns, but also impedes the complex dynamics of the communications ecosystem. Consequently, the complexity and strength of security attacks have increased in the recent past making the detection or prevention of sabotage a global challenge. From the security and privacy perspectives, this paper presents a comprehensive detail on the core and enabling technologies, which are used to build the 5G security model; network softwarization security, PHY (Physical) layer security and 5G privacy concerns, among others. Additionally, the paper includes discussion on security monitoring and management of 5G networks. This paper also evaluates the related security measures and standards of core 5G technologies by resorting to different standardization bodies and provide a brief overview of 5G standardization security forces. Furthermore, the key projects of international significance, in line with the security concerns of 5G and beyond are also presented. Finally, a future directions and open challenges section has included to encourage future research.

/pdf/a-survey-on-security-and-privacy-of-5g-technologies-1hq5wqw2pb.pdf

A Survey on Security and Privacy of 5G Technologies: Potential Solutions, Recent Advancements, and Future Directions

Mobile Edge Computing: Opportunities, solutions, and challenges

This paper presents a new approach for comprehensive monitoring of software defined 5G mobile network by using IoT (Internet of Things) based framework. The proposed framework gives much easier implementation of monitoring system for mobile network operators. Moreover, the framework uses a unified IoT protocol for telemetry transport, which is light, data-agnostic, and interoperable.

An IoT based monitoring framework for software defined 5G mobile networks

Radar Dome, or usually called Radome, is usually placed over the antenna as an antenna protector 
from any physical thing that can break it. Ideally, radome does not degrade antenna performance. In fact, it 
may change antenna performance and cause several effects, such as boresight error, changing antenna side 
lobe level and depolarization. The antenna engineer must take stringent analysis to estimate the changes of
performance due to placing radome.
Methods in the analysis using fast receiving formulation based on Lorentz reciprocity and 
Geometrical Optics. The radome has been tilted for some angle combinations in azimuth and elevation with 
respect to the antenna under test in order to get the difference responses.
From the results of measuring and analyzing the radome, it can be concluded that radome can 
change the antenna performance, including boresight shift, null fill-in and null shifting for difference 
signals, and changing antenna radiation pattern. In the CATR measurement with two reflectors, the 
extraneous signal which originates from feed is minimized by adding absorber at the side of the feed. Several 
things that affect to the accuracy of the simulation program are extraneous signal, loss tangent uncertainty, 
diffraction, and dielectric uncertainty and inhomogeneity.
Key Words: Radome, CATR, Antenna, Boresight Error

/pdf/radome-analysis-techniques-ujses5zzku.pdf

Radome analysis techniques

Recovery for overloaded mobile edge computing

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An IoT based monitoring framework for software defined 5G mobile networks

Radome analysis techniques

Recovery for overloaded mobile edge computing