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“Power Packets” are one of useful ideas of power distribution for a highly-efficient and comfortable society with a low environmental impact and energy efficient systems. It has yet to be shown that it is feasible to generate physical electric power packets and control them with computers. This study aims to organize the past achievements from the point of view of our studies. This study offers a...
This paper presents a novel low power implementation of feed forward equalizer targeted for wireline receivers in high speed SERDES applications. The 3-tap FFE (Feed Forward Equalizer) is configured to cancel precursor and post-cursor ISI. It is implemented by recycling current into a current integrating summer by equally spaced pulse clocks generated using half-rate Rx clock from PLL. Precursor and...
Educational systems of IT-companies typically provide a network space in which students and teachers can come together for teaching and learning. Using the microservice architecture offers advantages in application development.
Named Data Networking (NDN) is a promising future network architecture. In NDN, caching is widely deployed to improve content delivery. A lot of caching strategies have been proposed to improve caching performance, such as complicated cooperative caching and non-cooperative caching. No-cooperative Probability caching is proposed to increase the content variety across caching nodes, although it enjoys...
High Resolution Range Profiles (HRRPs) are widely used in the field of Radar Non-Cooperative Target Recognition (NCTR). An exhaustive set of classification algorithms can be found in the scientific literature but it is not common to find the description of the architectures capable of generating range profiles. This work proposes a specific scheme of a 1-D high resolution imaging radar for maritime...
Today, processing integrated information within and between enterprises is increasingly becoming more and more critical, and so is the implementation and evaluation of an Enterprise Architecture (EA). The review of literature on EA evaluation shows several issues. However, the evaluation of EAs has not attracted sufficient attention, and thus, this research area has not been explored thoroughly yet...
A fundamental problem to be resolved to achieve carrier grade functioning of an SDN network is the controller placement problem. The problem has been traditionally limited to optimally assigning switches to static physical controllers and placing those controllers over a network topology. However, virtualized controllers in place of physical ones could largely increase the dynamism in network control...
In recent years, the ever-growing number of mobile users and demands for mobile services exert great pressure on wireless content transmission. It is still a challenge to provide high-quality service in mobile scenario. To improve the quality of mobile service, proactive caching is proposed to push popular and requested service content to the nearest base stations or access points from mobile users...
Distributed Storage Systems (DSS) have seen increasing levels of deployment in data centers and in cloud storage provider networks. They provide efficient and cost-effective ways to store large amounts of data and ensure resilience to failures by using mirroring and coding schemes at the block and file level. While mirroring techniques provide an efficient way to recover lost data, they require excess...
Software Defined Networking (SDN) enables network innovation and brings flexibility by separation of the control and data planes and logically centralized control. However, this network paradigm complicates flow rule management. Current approaches generally install rules reactively after table misses or pre-installs them by flow prediction. Such approaches consume nontrivial network resources during...
Network Address Translation has often been described as an aberration in the evolution of the Internet, and one that will be removed with the completion of the transition of IPv6. This is an opinion in support of NATs, arguing that they are an important step in the evolution of the Internet and may well play a lasting role in this environment.
ISPs face difficulties in optimizing interdomain routing due to the single path routing constraint of BGP. A single best path makes it difficult to optimize routing and is unable to satisfy various application requirements of customers. In this paper, we present a new routing architecture for ISP edge network which breaks this constraint and allows the operator to flexibly assign interdomain paths...
Wireless network virtualization is an emerging paradigm to improve spectrum utilization by sharing wireless resources through slicing. In this paper, we investigate interactions between mobile virtual network operators (MVNOs) and users as a Stackelberg game. We leverage wireless virtualization while creating MVNOs that provide wireless coverage by subleasing the frequencies from owners of wireless...
The Cyber-Physical System (CPS) is the core concept of Industry 4.0 for building smart factories. We can rely on the ISA-95 architecture or the 5C architecture to build the CPS. However, both architectures emphasize more on vertical integration, and less on horizontal integration. This paper proposes the 8C architecture by adding 3C facets into the 5C architecture. The 3C facets are coalition, customer,...
To study wireless network, a network simulator always is an important tool for researchers to evaluate their theories. If a selected simulator inherently has poor architecture, the maintenance, will become more difficult in the future. To increase the flexibility of a simulator's architecture, the use of design patterns as the norms of system architecture design is suggested in this paper. We propose...
CNNs (Convolutional Neural Networks) have demonstrated superior results in a wide range of applications. However, the time-consuming convolution operations required by CNNs pose great challenges to designers. GPGPUs (General Purpose Graphic Processing Units) have been widely used to exploiting the massive parallelism of convolution operations. This paper proposes a software-based loop-unrolling technique...
Disciplines as diverse as psychology, physics, marketing, and medicine have, for the past few years, been going through a soul-searching over the “reproducibility crisis”. According to a recent survey in Nature, over 70% of researchers have failed in reproducing another scientist’s results and more than half have failed in trying to reproduce their own results. But replication of scientific results...
This work develops a cloud-fog computing architecture for information-centric Internet-of-Things (IoT) applications with job classification and resource scheduling functions. The two designed functions support quality of service (QoS) by classifying IoT applications and scheduling computing resources. An innovative scheduling mechanism is developed to optimize the dispatch of cloud and fog resources...
The integration of both fronthaul and backhaul into a single transport network (namely, 5G-Crosshaul) is envisioned for the future 5G transport networks. This requires a fully integrated and unified management of the fronthaul and backhaul resources in a cost-efficient, scalable and flexible way through the deployment of an SDN/NFV control framework. This paper presents the designed 5G-Crosshaul architecture,...
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