Tag Archive: 'ns3 tutorial'

Orchestrating Bulk Data Transfers across Geo-Distributed Datacenters

As it has become the norm for cloud providers to host multiple datacenters around the globe, significant demands exist for inter-datacenter data transfers in large volumes, e.g., migration of big data. A challenge arises on how to schedule the bulk data transfers at different urgency levels, in order to fully utilize the available inter-datacenter bandwidth. […]

Introducing wireless access programmability using software-defined infrastructure

Programmability in wireless access networks can provide unprecedented flexibility in meeting the communications needs of a diverse set of wireless devices under changing demand and networkconditions. Programmability also holds the promise of enabling multiple simultaneous virtual operators providing a variety of access networks that offer different services using different business models. In this paper we present our work on enabling […]

Flexible Availability-Aware Differentiated Protection in Software-Defined Elastic Optical Networks

Availability-aware service provisioning tries to satisfy the availability requirements of clients on demand and can improve the resource efficiency in optical networks. This paper studies the problem of flexible availability-aware differentiated protection (ADP) in elastic optical networks (EONs). We first consider the unique features in EONs, e.g., flexible spectrum allocation and bandwidth-squeezed protection, describe the problem of ADP, […]

A Framework for Implementation of Wireless Body Area Network over Software Defined Radios

Wireless Body Area Network over Software Defined Radio (SDR) Platform is the solution towards providing ubiquitous wireless health monitoring of patients over Internet. In this paper, a system is designed to enable ECG signals to be compressed and communicated to remote server at regular intervals over SDR platform comprised of Wireless Open Access Research Platform boards. To enable this, a […]

Cooperative Data Scheduling in Hybrid Vehicular Ad Hoc Networks: VANET as a Software Defined Network

This paper presents the first study on scheduling for cooperative data dissemination in a hybrid infrastructure-to-vehicle (I2V) and vehicle-to-vehicle (V2V) communication environment. We formulate the novel problem of cooperative data scheduling (CDS). Each vehicle informs the road-side unit (RSU) the list of its current neighboring vehicles and the identifiers of the retrieved and newly requested […]

Research on a Crowdsourcing Assignment Model based on Mobile Crowd Sensing in the Internet of Things

With the powerful sensing capability of mobile smart devices, users can easily obtained the crowd sensing services with smart devices in the Internet of Things. However, credible interaction issues between mobile users are still the hard problems in the past. In this paper, we focus on how to assign the crowdsourcing sensing tasks based on […]

A socially-aware incentive scheme for social participatory sensing

The main idea behind social participatory sensing is to leverage social friends as crowd workers to participate in mobile sensing tasks. A main challenge, however, is the recruitment of sufficient number of well-suited participants. Contributing sensing data requires time and monetary cost and may potentially impose privacy risks. This may lead to the unwillingness of the participants to contribute […]

Changing health behaviors through social and physical context awareness

The single greatest opportunity to improve health and reduce premature death lies in personal behavior. While technology-based behavior intervention has been around for many years, the emerging smartphone and wearable sensing technology brings great promise to push health behavior change further by inferring and predicting real-time behavior occurrence and its context. In this paper, we […]

Social Web of Things services fault handling and queuing scheduling

The Internet of Things (IoT) has been widely used in the past few years. Exploiting sensors and objects to offer personal services is very common today. WoT extends IoT to HTTP level for object representation and message exchanges among users, devices and service providers through Web services. Due to the nature of WoT objects and instability of […]

Decentralized Energy Allocation for Wireless Networks With Renewable Energy Powered Base Stations

In this paper, a green wireless communication system in which base stations are powered by renewable energy sources is considered. This system consists of a capacity-constrained renewable power supplier (RPS) and a base station (BS) that faces a predictable random connection demand from mobile user equipments (UEs). In this model, the BS, which is powered […]