Qatar Mobility Innovations Center: Recent submissions
Now showing items 21-40 of 278
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A fairness-based preemption algorithm for LTE-Advanced
( IEEE , 2012 , Conference)In this paper, we propose a fairness-based preemption algorithm for 3GPP LTE-Advanced. It considers bearers' priorities as well as their QoS over-provisioning with respect to their minimum QoS needs into the partial ... -
Optimized frequency allocation for interference mitigation in femtocellular networks
( IEEE , 2012 , Conference)The recent introduction of femtocells enabled high data rates and better coverage indoors without the need for upgrading the network infrastructure or site establishment. However, Femtocells may suffer from major interference ... -
Wearable Wireless Sensor Networks for Emergency Response in Public Safety Networks
( Elsevier Inc. , 2016 , Book chapter)Public safety communication networks have evolved over the past decade from land mobile systems to broadband and beyond. However, the emphasis remains on infrastructure-based communication systems. There is a potential ... -
Strategies for Optimal MAC Parameters Tuning in IEEE 802.15.6 Wearable Wireless Sensor Networks
( Springer New York LLC , 2015 , Article)Wireless body area networks (WBAN) has penetrated immensely in revolutionizing the classical heath-care system. Recently, number of WBAN applications has emerged which introduce potential limits to existing solutions. In ... -
Outage detection framework for energy efficient communication network
( Springer International Publishing , 2016 , Book chapter)In this chapter, we present a Cell Outage Detection (COD) framework for Heterogeneous Networks (HetNets) with split control and data planes. COD is a pre-requisite to trigger fully automated self-healing recovery actions ... -
Forwarding in VANETs: Geonetworking
( Springer International Publishing , 2015 , Book chapter)Nowadays connectivity in the vehicles is becoming the base to enable safety, traffic efficiency, and infotainment applications. These applications require to exchange information with specific geographical locations. After ... -
Visible Light Communication for Vehicular Networking: Performance Study of a V2V System Using a Measured Headlamp Beam Pattern Model
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)In this article, we discuss visible light communication (VLC) in the context of vehicular communication networks. With the omnipresence of light-emitting diodes (LEDs) in outdoor and automotive lightings, VLC emerges as a ... -
Interference mitigation and coexistence strategies in IEEE 802.15.6 based wearable body-to-body networks
( Springer Verlag , 2015 , Conference)This paper is focused on understanding the impact of interference in wearable wireless body-to-body networks (BBN).We have presented and compared two non-collaborative schemes (i.e., Time-shared and channel hopping) and ... -
Fundamental bounds on RSS-based wireless localization in passive UHF RFID systems
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)Radio-Frequency IDentification (RFID) systems carry critical importance for reaping the benefits of a diverse set of applications that will be enabled by the emerging Internet of Things (IoT). In particular, RFID based ... -
Channel shortening for enhancing passive UHF RFID performance
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)This paper proposes using a channel shortening equalizer (CSE) to improve the performance of passive ultrahigh frequency radio frequency identification (UHF RFID) systems. In UHF RFID systems, the reader interrogates RF ... -
Wearable Wireless Sensor Networks: Applications, Standards and Research Trends
( ImprintCRC Press , 2016 , Book chapter)Wearable Wireless Sensor Networks (W-WSN) 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 ... -
Qos-aware radio access technology (RAT)selection in hybrid vehicular networks
( Springer Verlag , 2015 , Conference)The increasing number of wireless communication technologies and standards bring immense opportunities and challenges to provide seamless connectivity in HybridVehicular Networks (HVNs). HVNs could not only enhance existing ... -
Data-driven analytics for automated cell outage detection in Self-Organizing Networks
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)In this paper, we address the challenge of autonomous cell outage detection (COD) in Self-Organizing Networks (SON). COD is a pre-requisite to trigger fully automated self-healing recovery actions following cell outages ... -
IoT-based occupancy monitoring techniques for energy-efficient smart buildings
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)With the proliferation of Internet of Things (IoT) devices such as smartphones, sensors, cameras, and RFIDs, it is possible to collect massive amount of data for localization and tracking of people within commercial ... -
An optimization model for antenna selection and deployment in single and multi-cell RFID systems
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)This paper presents an optimization model for antenna selection and deployment in ceiling mounted, single and multi-cell RFID systems. The proposed model utilises a three-dimensional (3D) antenna radiation pattern, taking ... -
Infrastructure-assisted efficient broadcasting in hybrid vehicular networks
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2016 , Conference)Transmission power adaptation has been widely employed to improve on the network performance. However designing an adaptation technique that could lower the number of collisions and delay under unreliable connectivity and ... -
Experimental performance evaluation of passive UHF RFID systems under interference
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)Performance of passive ultrahigh frequency radio-frequency identification (UHF RFID) systems is determined by the ability of the RFID reader to precisely decode the RF signal backscattered by the RFID tag. For a successful ... -
A novel cryptography based privacy preserving solution for urban mobility and traffic control
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)Due to the proliferation of high-speed mobile networks and powerful smartphones featuring on-board GPS and multi-modal sensors devices, urban sensing has recently emerged as a novel computing paradigm for enabling future ... -
Enhancing passive UHF RFID communication in multipath fading channels using time-varying continuous wave signals
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)In this paper, time-varying continuous wave (CW) signals are proposed for passive ultrahigh frequency radio frequency identification (UHF RFID) communication in multipath fading channels. The energy of the CW signals ... -
Realistic simulation scenario for hybrid LTE/IEEE 802.11p vehicular communication
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2015 , Conference)In this paper, a top-down approach to create a realistic simulation scenario for joint IEEE 802.11p and Long Term Evolution (LTE) performance evaluations is presented. Applying this approach, a scenario suited for both ...