Scalable and automated monitoring processes for testing, debugging, and operation of VNFs and service-chains are crucial components towards achieving the aims of network softwarization – i.e., cheaper, faster, and shorter service deployment and network management processes. In this paper we present a decentralized monitoring approach aimed at supporting automated deployment and operation of VNFs and service-chains. The approach is…
Tags: OMNeT++ AODV
Infrastructure to Vehicle Throughput Performance in LTE-A Using 2D and 3D 3GPP/ITU Channel Models
This paper considers infrastructure to vehicle communications using Advanced-LTE. The paper compares the downlink throughput performance experienced by mobile users in an urban-macro-cell in cases of 2D and 3D channel models, where the impact of the 3D component on MIMO performance is investigated. Recently there has been strong interest in extending the MIMO processing from…
An optimal application-aware resource block scheduling in LTE
In this paper, we introduce an approach for application-aware resource block scheduling of elastic and inelastic adaptive real-time traffic in fourth generation Long Term Evolution (LTE) systems. The users are assigned to resource blocks. A transmission may use multiple resource blocks scheduled over frequency and time. In our model, we use logarithmic and sigmoidal-like utility…
13.6 A 600μW Bluetooth low-energy front-end receiver in 0.13μm CMOS technology
One of the main goals for the next generation of radios for wireless sensor and body-area networks(WSN and WBAN) is a sub-mW receiver (RX) compliant with energy-harvested supplies. In this direction, the Bluetooth standard has introduced a low-energy operative mode (BLE) with wider channel spacing (2MHz) and relaxed blocker tolerance. The minimum sensitivity required is -70dBm but even with…
Exploration of Centralized Car2X-Systems over LTE
Car2X-Communication is a method for data exchange between vehicles and infrastructure units to increase traffic safety and efficiency. Usually data processing and control is performed within the vehicle i.e decentralized. Centrally organized systems hardly get any attention in latest research, although they have many advantages. Since communication systems are improving, even safety-critical centralized systems become…
Interference management in software-defined mobile networks
Software-Defined Networking promises to deliver more flexible and manageable networks by providing a clear decoupling between control plane and data plane and by implementing the latter in a logically centralized controller. However, if such principles are to be applied also to wireless networks, new primitives and abstractions capable of providing programmers with a global view of the networkcapturing channel quality and…
A Scalable Inter-AS QoS Routing Architecture in Software Defined Network (SDN)
All new networking architectures come with their own problems. Software Defined Networking (SDN) has its own challenges which are needed to be addressed by researchers as well. One of the crucial problems with SDN is the control plane scalability since it is a bottleneck for its evolution. As thenetwork grows, the number of messages a controller receives also increases. This increase puts…
Software defined networking applied to the heterogeneous infrastructure of Smart Grid
The increased need for power quality monitoring and active control of distribution grid necessitates the introduction of the Smart Grid (SG) approach, requiring an efficient ICT system for the monitoring and control of distribution grid state. The main obstacle to deployment of SG in real system is the lack of an efficient communication infrastructure. The…
Sensor Network Tomography: The Revenge of the Detected
A sensor network is deployed to detect the presence of a moving object (a target) in a surveyed region. Sensors make decisions about the presence of the target. Let us assume the target is aware of the detections it has caused, but has no idea which sensor has made which call. Can the target infer…
Social-Aware Resource Allocation for Device-to-Device Communications Underlaying Cellular Networks
Device-to-device (D2D) communication is a vital component for the next generation cellular network to bring hop gains, improve spectral reuse, and enhance system capacity. These benefits depend on efficiently solving several technical problems, among which resource allocation that shares spectrum resources between cellular users and D2D pairs is critically challenging. We propose a social-aware D2D…