Browsing Academic by Title
Now showing items 12402-12421 of 25631
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Lifetime maximization for greedy selective relay strategies
(2009 , Conference Paper)In this paper we propose a new algorithm for selective relay strategies with Amplify-and-Forward (AF) relays which improves the relay network lifetime. The lifetime of the relay network is defined as the maximum number of ... -
Lifetime maximization with predictive power management in selective relay networks
( Institute of Electrical and Electronics Engineers Inc. , 2009 , Conference Paper)A diversity scheme which exploits the existence of a source-destination path to improve the lifetime and outage probability of a wireless selective relay network with Amplifyand-Forward (AF) relays is proposed and studied. ... -
Lifetime prevalence and potential determinants of psychotic experiences in the general population of Qatar
( Cambridge University Press , 2020 , Article)Background To estimate the lifetime prevalence and potential determinants of psychotic experience(s) (PEs) in the general population of Qatar-a small non-war afflicted, conservative, high-income, middle-eastern country ... -
Lifted polynomial size formulations for the homogeneous and heterogeneous vehicle routing problems
( Elsevier B.V. , 2017 , Article)We propose compact formulations for the symmetric and asymmetric capacitated vehicle routing problems. These formulations are obtained by lifting, using the Reformulation-Linearization Technique, a novel polynomial size ... -
Lifting Sanctions on Iran: Shifting Sands or Major Earthquake?
( Al Sharq Strategic Research , 2016 , Article)The nuclear deal and its ramifications have added new elements of tensions between the Islamic Republic and the Gulf States. The lifting of the sanctions will be a significant addition to Iran’s financial capacity, which ... -
Ligand decorated biodegradable nanomedicine in the treatment of cancer
( Elsevier , 2021 , Article)Cancer is one of the major global health problems, responsible for the second-highest number of deaths. The genetic and epigenetic changes in the oncogenes or tumor suppressor genes alter the regulatory pathways leading ... -
Light in the Darkness: Inspirational South African Entrepreneurs’ Advice for Success
( Qatar University , 2018 , Article)The legacy of apartheid is still apparent in South Africa and with a declining growth rate and a chronically high unemployment rate, the challenges faced by entrepreneurs are considerable. Despite these significant ... -
Light Microscopic Study On Schistosoma Mansoni Induced Hepatic And Splenic Lesions Following Praziquantel Treatment
( Qatar University , 1989 , Article)Hepatic and splenic lesions were developed in mice of both sexes following their exposure to cercariae of Schistosoma mansoni (70 cercariae / animal). After 12 weeks of infection, the liver showed the formation of typical ... -
Light Rail Transit (LRT) and Transit Villages in Qatar: A Planning-Strategy to Revitalize the Built Environment of Doha
( Henry Stewart Publications , 2017 , Article)For the past several decades, the car has been the most popular method for travelling within cities, small towns and rural areas. This has caused increasing traffic congestion, which in turn has become a drain to the economy ... -
Light rail transit and land use in Qatar: An integrated planning strategy for Al-Qassar's TOD
( ArchNet , 2016 , Article)The State of Qatar is presently facing the development of major transport infrastructure, to be finalized (A) by 2022 for the planned FIFA World Cup and (B) by 2030, as envisioned by the comprehensive national development ... -
Light Rail Transit and Land Use in Qatar: An Integrated Planning Strategy for the Impelmentation of West Bay Al Sadd Al Wakra Tod'S
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The research study aligns with the social sciences, art and humanities, themes of the main research priority areas of the four ARC'18 pillars (The Context) Recent Transit oriented development in Qatar embodies transportation ... -
Light-Controlled Growth Factors Release on Tetrapodal ZnO-Incorporated 3D-Printed Hydrogels for Developing Smart Wound Scaffold
( John Wiley and Sons Inc , 2021 , Article)Advanced wound scaffolds that integrate active substances to treat chronic wounds have gained significant recent attention. While wound scaffolds and advanced functionalities have previously been incorporated into one ... -
Light-Responsive Hybrids Based on Carbon Nanotubes with Covalently Attached PHEMA- g-PCL Brushes
( American Chemical Society , 2021 , Article)Carbon nanotube (CNT)-based materials allow for the direct conversion of light into heat and then into mechanical force in the so-called photo-mechanical effect. This effect has been observed almost solely in the form of ... -
Light-Switchable Polymer from Cationic to Zwitterionic Form: Synthesis, Characterization, and Interactions with DNA and Bacterial Cells
( WILEY-VCH Verlag , 2013 , Article)A novel cationic polymer poly(N,N-dimethyl-N-[3-(methacroylamino) propyl]-N-[2-[(2-nitrophenyl)methoxy]-2-oxo-ethyl]ammonium chloride) is synthesized by free-radical polymerization of N-[3-(dimethylamino)propyl] methacrylamide ... -
Light-weight encryption of wireless communication for implantable medical devices using henon chaotic system
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Implantable Medical Devices (IMDs) are a growing industry regarding personal health care and monitoring. In addition, they provide patients with efficient treatments. In general, these devices use wireless communication ... -
Light-Weight Solution to Defend Implantable Medical Devices against Man-In-The-Middle Attack
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Nowadays, Implantable Medical Devices (IMDs) rely mainly on wireless technology for information exchange. In spite of the many advantages wireless technology offers to patients in terms of efficiency, speed and ease; it ... -
Light-weight, Conservative, yet Effective: Scalable Real-time Tweet Summarization
( National Institute of Standards and Technology (NIST) , 2016 , Conference Paper)Microblogging platforms and Twitter specifically have become a major resource for exploring diverse topics of interest that vary from the world's breaking news to other topics such as sports, science, religion and even ... -
LightTrust: Lightweight Trust Management for Edge Devices in Industrial Internet of Things
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The phenomenal increase in the usage of Internet promotes the quality of trust in the scope of Internet of Things (IoT). Trust is beneficial in the provision of an effective, reliable, scalable, and trustworthy environment ... -
A lightweight and privacy-preserving authentication protocol for mobile edge computing
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)With the advent of the Internet-of-Things (IoT), vehicular networks and cyber-physical systems, the need for real-time data processing and analysis has emerged as an essential pre-requite for customers' satisfaction. In ... -
Lightweight and Privacy-Preserving Medical Services Access for Healthcare Cloud
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)With the popularity of cloud computing technology, the healthcare cloud system is becoming increasingly perfect, which reduces the time of disease diagnosis and brings great convenience to people's lives. But meanwhile, ...
