Parallelization of AUTOSAR legacy applications is a fundamental step to exploit the performance of multi-core ECUs (MCEs). However, the migration of an application from a single-core ECU (SCE) to a MCE presents two challenges: first, the extraction of parallelism from an application (composed of tasks) is not always possible due to communication among tasks. Second, reproducing the…
Tags: OMNeT++ VANET
Bond graph model-based for fault tolerance level assessment of a wireless communication link in a system of systems concept
The main focus of this paper is on graphical modeling of wireless link of a System of Systems (SoS) for the purpose of Fault Tolerance Level Assessment. Having used hypergraphs previously for modeling the structural organization of SoS, it’s now important to introduce another graphical tool for modeling the wireless communication channel (WCL) between component systems of…
Survivable virtual infrastructure mapping with dedicated protection in transport software-defined networks [Invited]
Efficiently mapping multiple virtual infrastructures (VIs) onto the same physical substrate with survivability is one of the fundamental challenges related to network virtualization in transport software-defined networks (T-SDNs). In this paper, we study the survivable VI mapping problem in T-SDNs with the objective of minimizing the VI request blocking probability. In particular, we address the subproblems of modulation selection and…
Policy authoring for software-defined networking management
Software-Defined Networking (SDN) permits centralizing part of the decision-logic in controller devices. Thus, controllers can have an overall view of the network, assisting network programmers to configurenetwork-wide services. Despite this, the behavior of network devices and their configurations are often written for specific situations directly in the controller. As an alternative, techniques such as Policy-Based Network Management (PBNM) can be used by business-level operators…
Software-defined transceivers for dynamic access networks
Software-defined transceivers are about to be established in long-haul optical communications. But will they be of equal importance in dynamic access networks? And which technology seems most promising?
A design of 10 Gigabit Capable Passive Optical Network(XG-PON1) architecture based on Software Defined Network(SDN)
A SDN-based XG-PON1 Network Architecture is proposed.A XG-PON1 includes many management technologies that is ONU Management, DHCP Server Management, AAA Server Management, OLT Switch Control, PIU(PON Interface Unit) Control, and OMCI.We proposed a SDN-based XG-PON1 Architecture to manage these functions.
Software defined virtual wireless network: framework and challenges
Due to inflexibility, design and control of existing networks are very complex. Therefore, SDN aims to separate control and data planes clearly, which is an innovative and effective approach to this problem. With SDN, a service provider can adjust the settings of a network according to various requirements dynamically and in a timely fashion. This feature is especially suitable…
Enabling Device to Device Broadcast for LTE Cellular Networks
In recent years, the public safety community has been aligning behind LTE (Long Term Evolution) technology as the basis for next generation public safety networks. Correspondingly, the 3GPP (3rd Generation Partnership Project) standards body has started multiple technical work initiatives on LTEenhancements to better support public safety use cases and requirements. Of particular importance to the public safety…
A fast AGC method for multimode zero-IF/sliding-IF WPAN/BAN receivers
This paper presents a fast mixed-signal automatic gain control (AGC) method for zero-IF/sliding-IF receivers used in wireless personal and body-area networks (WPAN/BAN). The preamble defined in Bluetooth low energy (BLE)/802.15.4 /802.15.6 specifications are as low as 1 Byte. It is a tough challenge for the zero-IF/sliding-IF receivers to perform AGC training, frequency synchronization and symbol timing estimation. By detecting the…
Testbed Innovations for Experimenting with Wired and Wireless Software Defined Networks
Widely available and remotely accessible test beds have been used for a direct comparison of innovative protocols and ideas with existing technologies. Therefore, multiple test beds have been established, aiming at providing experimentation services with both wireless and wired networks. In this context, several frameworks have been developed that enable easy experimentation with the heterogeneous…