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This paper presents a multi-layer distributed performance management model for Internet of Things (IoT) as a service for caregivers. Performance monitoring and control of IoT devices and services are vital functions for e-health systems. Cloud-based IoT systems with centralized data centers further underline the need for distributed management. The main contribution of this paper is a model and prototype...
Extending the lifespan of a wireless sensor network is a complex problem that involves several factors, ranging from device hardware capacity (batteries, processing capabilities, and radio efficiency) to the chosen software stack, which is often unaccounted for by the previous approaches. This letter proposes a genetic algorithm-based clustering optimization method for constrained networks that significantly...
Heterogeneity in constrained networks and gateways is perhaps one of the single greatest challenges facing end-to-end management of devices and networks in the IoT. Today, the Lightweight M2M (LWM2M) protocol, leveraged on open Internet standards, has become a strong contender for REST-based IoT management. However, significant challenges exist for remote gateway management, particularly for proxies...
As connectivity is becoming a norm for modern vehicles, data exchange between in-vehicle components and external entities is becoming common. However, car makers is concerned about a third-party's extraction of their proprietary vehicle data. To address this concern, an intermediate ECU (or a gateway) is introduced in between internal and external networks to translate proprietary in-vehicle data...
The Advent of Internet-of-Things (IoT) paradigm has brought exciting opportunities to solve many real-world problems. IoT in industries is poised to play an important role not only to increase productivity and efficiency but also to improve customer experiences. Two main challenges that are of particular interest to industry include: handling device heterogeneity and getting contextual information...
In the last few years, when two Internet users want to communicate via chatting application, they have to use the same application since each chatting application uses a certain signaling protocol to handle the chatting sessions. As a result, many researchers proposed some mapping architectures when two users want to communicate using different chatting applications by proposing a translation gateway...
Now, SDN (Software Defined Networking) has been accepted as an unavoidable networking architecture since the ONF (Open Networking Forum) foundation, the release of Google's B4 project, and several respective deployments of cloud and transport SDNs. In addition, SDN has been investigated for a basic networking infrastructure for the 5G/IoT's era and an integration between SDN based cloud and transport...
Nowadays the widespread use of variety of smart phones and tablets with wide range of multimedia application support is driving more data service users towards full mobility causing a rapid increase in demand for mobile data rates. These new devices and multimedia applications require high data rates and reduced latency to provide better Quality of Service (QoS). To address these requirements the...
In building automation systems, the diversity of existing field level networks is a major challenge for fully integrated solutions. Typical approaches achieve integration by shifting the needed complexity to the automation or management layer. In contrast, this paper focuses on leaving the complexity at the field level to provide a homogeneous view to upper layers without compromising reliability...
As a power system develops rapidly into a smarter and more flexible state, so must the communication technologies that support it. Machine-to-machine (M2M) communication in a Smart Grid environment has been discussed by the European Telecommunications Standards Institute (ETSI). A power system is not easily replaceable, due to system replacement costs. THE M2M gateway is required in other to improve...
Electric power industries have expanded the automation of their networks in recent years to meet the growing demands for improvements in services. The introduction of the concept of Smart Grid, the increased availability of smart devices and improvements in telecommunications are key factors for that. Besides the benefits in control and management that this concept brings, there are some technical...
This paper describes a model-driven implementation of a standard-compliant Customer Energy Manager (CEM). The advantage of the proposed implementation methodology over conventional techniques is the automatic support of standard data models and the possibility to express CEMS logic in a protocol-independent way. In particular, the logic can be expressed as a state machine, with language constructs...
Machine learning techniques based on Data Miningare employed for automatic assertion generation in hardwaredigital design verification. This paper presents a new miningtechnique to extract all design properties from simulation traces.The extracted properties cover all possible design assertionseither at system level or Register Transfer Logic (RTL)verification depending on the simulated design level...
A Networked Electric Vehicle (NEV) that can convert energy in the vehicle back to the grid when it has excess has the similar electrical characteristics to stationary energy storage devices. A Vehicle-to-Grid (V2G) system, which is composed of these NEVs, can mitigate the impact of renewable penetration, minimize the grid losses and improve the reliability of electricity supply. The goal of the paper...
Standardization activities that are or can become crucial for the Internet of Things (IoT) have mainly focused on reference architectures, device interoperability, and Machine-to-Machine communication protocols, leading to a connected IoT. However, the related specifications have already started taking a step further, namely towards enabling the support of features that come on-top of simple interoperability,...
A mathematical model of the AP involves the sum of different transmembrane ionic currents and the balance of intracellular ionic concentrations. To each ionic current corresponds an equation involving several effects. There are a number of model parameters that must be identified using specific experimental protocols in which the effects are considered as independent. However, when the model complexity...
RESTful services gained a lot of attention recently, even in the enterprise world, which is traditionally more web-service centric. Data centric RESfFul services, as previously mainly known in web environments, established themselves as a second paradigm complementing functional WSDL-based SOA. In the Internet of Things, and in particular when talking about sensor motes, the Constraint Application...
Prognoses predict the number of smart devices building the Internet of Things (IoT) to range between 30 and 50 billions in 2020, in the most conservative outlook triplicating today's numbers of devices connected to the Internet in just 7 years. While hardware developments and new standards for network and application protocols are progressing well, there is little consensus about how such heterogeneous,...
The Internet of Things scales the Internet to billions of embedded nodes and allows to link physical and cyber systems to form complex control systems. Current research focuses mainly on the networking and communication protocols and leaves the application layer and aspects like the engineering process and creation of control logic out of scope. Existing approaches are mainly based on using scripting...
The use of zero-copy RDMA is a promising area of development in support of high-performance data movement over wide-area networks. In particular, the emerging RDMA over Converged Ethernet (RoCE) standard enables the InfiniBand transport for use over existing and widely deployed network infrastructure. In this paper, we evaluate the use of RDMA over Ethernet in two deployment scenarios: 1) a gateway...
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