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The articles in this special section demonstrate how academia, industry, and government are advancing the state of the art with regard to military communications and networks. Communications and networking in military settings and environments present unique challenges distinguishing them from commercial or civilian settings, which necessitates the development of capabilities and technologies to address

The Internet of Things (IoT) is a disruptive technology that complements the usage of modern day information and communications technology (ICT) systems. IoT systems, with their small form and cost factor coupled with their increasing reliability, have made huge inroads in all markets. Connected to some form of interconnected networks, either to the mainstream Internet or private networks, they enable

In military mission contexts with limited network connectivity, availability and utilization of information may be improved through adaptive information processing over a federated cloud infrastructure. Orchestration mechanisms to dynamically distribute data and computing tasks over the available partner cloud infrastructures enable improved exploitation of the information processing, storage, and

Tactical edge networks are characterized by wireless links that have limited capacity and are prone to disconnection. In such a challenging and hostile environment, replication of information could be desirable as it increases information availability through redundancy and accessibility through proximity. However, replication of information has a negative effect on security because it broadens the

As information technology advances, the need for distributed communications on the battlefield continues to grow. Moreover, NATO activities are multi-nation engagements, and necessitate communications between member countries and from the theater of operations back to command centers. The NATO IST-172 research task group is investigating non-satellite and non-high-frequency methodologies for beyond

Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.

The articles in this special section examines various areas of telecommunication devices, circuits and systems with practical tips for design and implementation.

Employing low-resolution analog-to-digital converters (ADCs) for millimeter-wave receivers with large antenna arrays provides an opportunity to efficiently reduce power consumption of the receiver. Reducing ADC resolution, however, results in performance degradation due to non-negligible quantization error. In addition, the large number of radio frequency chains is still not desirable. Accordingly

Ensuring a high degree of customer satisfaction is critical to the success of telecom companies in maintaining or increasing market share. Using churn prediction as an indicator of customer satisfaction, we present a robust system that allows telecom companies to gauge the perceived quality of service delivery. The system employs a novel approach known as the churn drift detection method (CDDM), which

The reduced link margins caused by undesired blockage such as the user's hand and inherent limitations of beamsteering angles for planar antenna components constitute one of the most critical challenges for future mmWave mobile devices. This underscores the need for a new beamforming antenna strategy, which can enhance the foreside coverage with minimum compromise. This article provides a detailed

With the ever increasing requirements for ultra efficiency, advanced technologies such as massive multiple-input multiple-output (MIMO) have been considered. By offering more flexility of antenna deployment, a distributed setup of a massive MIMO system can benefit from considerable efficiency improvement over the colocated counterpart. However, distributed massive MIMO antennas will result in design

Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.

As the 5G pace is quickening, enabled by rapid coverage rollout and availability of devices, the fixed broadband market is poised to become more competitive. We envision that 5G NS can emerge as a game changer that accelerates the development of FMC while counterintuitively opening up opportunities for fixed operators and the like in need of higher access network capability by leveraging NS-assisted

Neutral host SCPs represent a key element of the 5G vision of ultra-dense mobile networks. However, current business models mostly focus on multi-year agreements for large venues, such as stadiums and hotel chains. These business agreements are regulated through binding SLAs, which tend to be too cumbersome and costly for smaller-scale SCPs. As a result, the neutral host model does not scale up to

Internet services grow increasingly demanding and diverse. Privacy and security concerns, coupled with requirements of ultra-low latency, close to zero downtime, and high throughput, are leading to a shift in network design. This combination of non-technical and technical service requirements is pushing cloud infrastructure to the edge of the network. While cloud services initially interconnected resources

Industrial automation has created a high demand for private 5G networks, the deployment of which calls for an efficient and reliable solution to ensure strict compliance with regulatory emission limits. While traditional methods for measuring outdoor interference include collecting real-world data by walking or driving, the use of unmanned aerial vehicles (UAVs) offers an attractive alternative due

Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.

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The articles in this special section focus on mobile communications and networks. While the core architecture and radio aspects for 5G are starting to achieve a degree of consensus in 3GPP Rel-15 and Rel-16, a huge number of ancillary proposals and functional areas are still being worked on. The anticipated pervasive nature of 5G into every nook and cranny of mobile communications drives many functions

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Future mobile networks will enable new use cases, requiring further enhanced data rates, latency, coverage, capacity, and reliability. In this article, to emphasize sustainable energy consumption and improved device battery lifetime, the concept, benefits, and challenges of utilizing wake-up radio-based access in 5G networks are reviewed and discussed. To this end, the operating principle and associated

Spectrum sharing has been recognized as a key component for 5G and beyond wireless networks. Recent trials have revealed the business value of spectrum sharing via the licensed shared access model, wherein both the incumbent and the licensee operators are protected from harmful interference by sharing the available spectrum using long-term spectrum access agreements. Further increase in capacity gains

The evolution of mobile wireless systems into heterogeneous networks, along with the introduction of fifth generation systems, significantly increased the complexity of radio resource management. Current mobile networks consist of a multitude of spectrum bands, use cases, system features, licensing schemes, radio technologies, and network layers. Additionally, the traffic demand is uneven in terms

As an important application of mobile ad hoc networks, VANETs play an important role in intelligent transportation. However, with the development of mobile communication technology, as well as the needs of intelligent transportation, both security and efficiency are required for realtime authentication and communication. Traditional authentication and key distribution schemes suffer from network failure

The articles in this special section focus on telecommunications software, network virtualization, and software defined networks. (SDN) Network softwarization is changing how we build and operate communication networks. It is expected to enable the fifth-generation (5G) networks to provide logically-independent and fully programmable network slices by flexibly, efficiently and securely partitioning

This article presents a system for 5G networks that makes it possible to meet the diverse needs of vertical industries simultaneously sharing the same physical infrastructure. Orchestration, network slicing, edge computing, and federation are key technologies enabling industry verticals to have their own virtual networks, which might require aggregating transport networking and computing fabric, from

Network functions virtualization (NFV) attributes to the substitute of network functions on dedicated appliances such as load balancers and routers with the use of virtualized instances running as software. Any enterprise can easily implement a wide array of network functions using NFV while maximizing efficiencies and introducing new revenue-generating services that are significantly faster and easier

Compared to previous mobile generations, the 5G system architecture offers more flexibility to fulfill a richer set of diverse requirements. Three system aspects play a major role here: support of network slicing, a split between the user plane and the control plane, and a service oriented control architecture. Emerging techniques of network softwarization such as software-defined networking are leveraged

Fifth generation softwarized network systems will make it possible to flexibly partition the network infrastructure into logically independent network slices, hosting end-to-end network services able to dynamically meet the diverse requirements of vertical industries. However, the high dynamicity of NFV-related operations and the interdependence of multiple slices running on top of a shared underlying

It is becoming increasingly common for enterprises to outsource network functions to a third party provider such as a public cloud. Besides its well documented benefits in cost and flexibility, outsourcing also introduces security issues. Peeking into or modifying traffic destined to the cloud are not the only threats we have to deal with; it can also be desirable to protect VNF code, input policies

Container-based virtualization has recently been flourishing due to its ease of deployment and flexibility of resource provisioning. Kubernetes, a well-known open source project, is an orchestration platform for containerized applications. Herein, applications can have multiple replicas to provide high scalability and availability, but some applications for stateful service require a leader to be elected

V2X communication in the mmWave band is one way to achieve high data rates for applications like infotainment, cooperative perception, augmented reality assisted driving, and so on. MmWave communication relies on large antenna arrays, and configuring these arrays poses high training overhead. In this article, we motivate the use of infrastructure mounted sensors (which will be part of future smart

As a key technology for 5G, non-orthogonal multiple access (NOMA) can improve system capacity and connection densities. In this article, Release 16 study on NOMA in 3GPP is overviewed, which encompasses the transmitter side processing, receiver types and complexity, channel structure, and performance evaluations. Compared to the technical report of the NOMA study item, this article also highlights

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This book on Blockchain for distributed systems security is one of the timely books available on this topic. It summarizes the research efforts done in the area of distributed systems security with particular emphasis on Blockchain. Experienced researchers who have vast experience in distributed systems security edited this book. Researchers who are working in this area of Blockchain security including

Presents information and current topics of interest to the global communications industry.