Qatar Mobility Innovations Center: Recent submissions
Now showing items 21-40 of 219
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A multi-relay selection scheme for time switching energy harvesting two-way relaying systems
( IEEE , 2016 , Conference)In this paper, a multiple relay selection scheme for Energy Harvesting (EH)-based two-way relaying is investigated. All the relays are considered as EH nodes that harvest energy from renewable and radio frequency sources, ... -
Joint throughput and channel aware (TCA) dynamic scheduling algorithm for emerging wearable applications
( IEEE , 2016 , Conference)This paper addresses a reliability concern of the emerging wearable applications under dynamic and realistic conditions. We propose a new joint throughput and channel aware (TCA) dynamic scheduling algorithm for IEEE ... -
An adaptive timer for RPL to handle mobility in wireless sensor networks
( IEEE , 2016 , Conference)This paper focuses on the performance of wireless sensor networks characterized by a hybrid topology composed of mobile and static sensor nodes. The Routing Protocol for Low power and lossy networks (RPL), which is ... -
Channel-aware ECDSA signature verification of basic safety messages with K-means clustering in VANETs
( IEEE , 2016 , Conference)Vehicular ad hoc network facilitates cooperative awareness applications by periodically sharing basic safety messages (BSMs) with the neighborhood vehicles. As these applications impact human safety, authenticity of BSMs ... -
Wireless RF-based energy harvesting for two-way relaying systems
( IEEE , 2016 , Conference)In this paper, we investigate the Energy Harvesting (EH)-based two-way relaying system using Amplify-And-Forward (AF) and Decode-And-Forward (DF) strategies. The relay is considered as an EH node that harvests the received ... -
Large-scale simulations and performance evaluation of connected cars - A V2V communication perspective
( Elsevier , 2017 , Article)Performance evaluation is integral to the vast majority of research on Vehicle-to-Vehicle (V2V) technology enabled connected cars. To validate ideas and concepts, researchers have been continuously striving towards the ... -
Improved multi-hop routing in integrated VANET-LTE hybrid vehicular networks
( Association for Computing Machinery, Inc , 2016 , Conference)The VANET-LTE integration offers many potential advantages for vehicular networks such as high data rates, low latency and extended communication range. However, utilizing these advantages requires novel protocols and ... -
Scalable multimedia streaming in wireless networks with device-to-device cooperation
( Association for Computing Machinery, Inc , 2016 , Conference)We present a scalable mobile multimedia streaming system with device-to-device cooperation that enables common content distribution in dense wireless networking environments. This is particularly applicable to use cases ... -
UAVs-assisted Data Collection in Vehicular Network
( IARIA , 2018 , Conference)In vehicular network, nodes generate and transmit timely measured data by embedded sensors. Some data needs to be gathered by remote devices. The limited communication range of the vehicular wireless system requires to ... -
Distributed Upstream Data Cleaning in VANET
( IARIA , 2017 , Conference)The mobile road stations in Vehicular Ad~hoc NETworks (VANET) are generating huge quantities of traffic-related data over wireless communication medium. For different business purposes, data has to be collected by heterogeneous ... -
Data Routing Challenges in UAV-assisted Vehicular Ad hoc Networks
( IARIA , 2017 , Conference)Reliable and efficient transportation system in smart cities relies on effective integration of connected and autonomous vehicles. Although there has been a lot of improvements in this technology, additional support from ... -
Real Deployment of the V2X-Based Data Probe Application and its Integration with a Commercial Traffic Platform
( IARIA , 2019 , Conference)In Vehicle to vehicle and vehicle to infrastructure communication the vehicles are expected to transmit continuously and frequently information that include their velocity and location coordinates. Such real-time geographical ... -
Robust road map inference through network alignment of trajectories
( Society for Industrial and Applied Mathematics Publications , 2018 , Conference)In this paper we address the challenge of inferring the road network of a city from crowd-sourced GPS traces. While the problem has been addressed before, our solution has the following unique characteristics: (i) we ... -
Achievable Rates of UAV-Relayed Cooperative Cognitive Radio MIMO Systems
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)We study the achievable rate of an uplink MIMO cognitive radio system where the primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station (BS) via a multi-access channel through ... -
On the Interrelation of Security, QoS, and Safety in Cooperative ITS
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Cooperative intelligent transport system (C-ITS) is an emerging technology that enables secure and safe road travel using wireless communications. Vehicles regularly share their mobility information with the neighborhood ... -
Near optimal power splitting protocol for energy harvesting based two way multiple relay systems
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)This paper proposes an optimized transmission scheme for Energy Harvesting (EH)-based two-way multiple- relay systems. All relays are considered as EH nodes that harvest energy from renewable and radio frequency (RF) ... -
Energy efficient data collection for wireless sensors using drones
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference)This paper proposes an energy-efficient solution to employ a drone to gather data from spatially distributed wireless sensors. Specifically, we minimize the energy consumption of the drone while accomplishing a tour to ... -
Optimization of a power splitting protocol for two-way multiple energy harvesting relay system
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)Energy harvesting (EH) combined with cooperative communications constitutes a promising solution for future wireless technologies. It enables additional efficiency and increased lifetime to wireless networks. This paper ... -
Effective Urban Structure Inference from Traffic Flow Dynamics
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)Mobility in a city is represented as traffic flows in and out of defined urban travel or administrative zones. While the zones and the road networks connecting them are fixed in space, traffic flows between pairs of zones ... -
Optimal Sequential and Parallel UAV Scheduling for Multi-Event Applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference)In this paper, a generic scheduling framework to manage a fleet of micro unmanned aerial vehicles (UAVs) is proposed. The objective is to employ multiple UAVs in sequential and parallel ways to cover spatially and temporally ...