Qatar Mobility Innovations Center: Recent submissions
Now showing items 161-180 of 219
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QoS-aware joint uplink-downlink scheduling in FDD LTE-Advanced with carrier aggregation
( IEEE , 2014 , Conference)Efficient resource utilization is of a high importance for LTE/LTE-A network performance and provisioning of user quality of experience. The eNodeB (LTE base station) is responsible for controlling the radio resources ... -
Cluster based V2V communications for enhanced QoS of SVC video streaming over vehicular networks
( IEEE , 2014 , Conference)Cooperative vehicle-To-vehicle (V2V) communications for real-Time video streaming of scalable video coded (SVC) videos is investigated, and a novel clustering method is proposed. In the proposed method, moving vehicles are ... -
LTE radio resource management for real-time smart meter reading in the smart grid
( IEEE , 2015 , Conference)In this paper, the real-time reading of smart meter information in dense deployments of smart meters is investigated. Specifically, the paper aims to answer the question of whether long term evolution (LTE) and/or LTE-Advanced ... -
Network QoE metrics for assessing system-level performance of radio resource management algorithms in LTE networks
( IEEE , 2014 , Conference)In this paper, the quality of experience (QoE) of real-time video streaming over long term evolution (LTE) networks is investigated. Network QoE metrics are proposed in order to capture the overall performance of radio ... -
Realistic simulation for body area and body-to-body networks
( MDPI , 2016 , Article)In this paper, we present an accurate and realistic simulation for body area networks (BAN) and body-to-body networks (BBN) using deterministic and semi-deterministic approaches. First, in the semi-deterministic approach, ... -
Enhanced IoT-based end-to-end emergency and disaster relief system
( MDPI , 2017 , Article)In this paper, we present a new enhancement for an emergency and disaster relief system called Critical and Rescue Operations using Wearable Wireless sensors networks (CROW2). We address the reliability challenges in setting ... -
Security of cooperative intelligent transport systems: Standards, threats analysis and cryptographic countermeasures
( MDPI , 2015 , Article)Due to the growing number of vehicles on the roads worldwide, road traffic accidents are currently recognized as a major public safety problem. In this context, connected vehicles are considered as the key enabling technology ... -
Security in intelligent transport systems for smart cities: From theory to practice
( MDPI , 2016 , Article)Connecting vehicles securely and reliably is pivotal to the implementation of next generation ITS applications of smart cities. With continuously growing security threats, vehicles could be exposed to a number of service ... -
QoS-Aware Video Transmission over Hybrid Wireless Network for Connected Vehicles
( IEEE , 2017 , Article)Communication between vehicles enables a wide array of applications and services ranging from road safety to traffic management and infotainment. Each application places distinct quality of service (QoS) constraints on the ... -
Efficient Distributed Admission and Revocation Using Blockchain for Cooperative ITS
( IEEE , 2018 , Conference)Cooperative Intelligent Transportation System (C- ITS) enables inter-networking of vehicles for alerts exchanging in order to improve road safety. While this technology is about to enter the market in the upcoming years, ... -
A novel Cloudlet-based communication framework for resource-constrained devices
( Association for Computing Machinery , 2018 , Conference)In this paper, we present a new emerging technology for building mobility-enhanced and small-scaled mobile to cloud applications called Cloudlet. We address the reliability challenges in affording a powerful computing ... -
Research trends in multi-standard device-to-device communication in wearable wireless networks
( Springer Verlag , 2015 , Conference)Wearable Wireless Networks (WWN) aim to provide attractive alternate for conventional medical care system. It is an effective way of monitoring patients within clinics, hospitals and remotely from home, offices etc. In ... -
An advanced bandwidth adaptation mechanism for LTE systems
( IEEE , 2013 , Conference)In this paper, we propose a bandwidth adaptation mechanism for 3GPP LTE which partially releases bearers' resources for admission of a new bearer during congestion periods. Each active bearer may contribute into the ... -
Energy-efficient Device-to-Device communications in LTE public safety networks
( IEEE , 2012 , Conference)Device-to-Device communications are studied in the framework of LTE public safety networks. We propose a model where devices cooperate on the short range by forming coalitions for the purpose of energy efficiency. In each ... -
Opportunistic cooperation for infrastructure-to-relaying-vehicles over LTE-A networks
( IEEE , 2013 , Conference)We extend vehicular cooperation into downlink LTE-A networks in what we call Infrastructure-to-Relaying-Vehicles (I2RV) cooperation. In I2RV, vehicles are used as relaying terminals between eNodeB/BS and a receiving user ... -
Quality of experience for spatial cognitive systems within multiple antenna scenarios
( IEEE , 2013 , Article)Multiple Input Multiple Output (MIMO) adds a new dimension, the spatial one, to be optimized in Cognitive Radio (CR) by offering service simultaneously to more than one user. In this paper, statistical optimization techniques ... -
Power consumption in spatial cognition
( wiley , 2013 , Article)Multiple input multiple output adds a new dimension to be exploited in cognitive radio by simultaneously serving several users. The spatial domain that is added through multiple input multiple output is another system ... -
Energy optimization in multiuser quantized feedback systems
( Springer Nature , 2013 , Article)This article explores the effects of quantization of feedback information on energy consumption in multiuser wireless communication systems. In order to optimize the energy consumption of the system, the article concentrates ... -
Energy optimization in unsynchronized TDD systems for joint uplink downlink scheduling
( IEEE , 2013 , Conference)Energy is an important resource in wireless communications systems that has to be optimized in order to guarantee low interference in the network as well as efficient use of the available resources. One of the prominent ... -
Can dynamic pricing make femto users and service providers happy?
( IEEE Computer Society , 2013 , Conference)Femtocell is a promising technology that will improve wireless resources efficiency through frequency spatial reuse however, its integration with the current cellular systems has been considered a fundamental challenge. ...