Qatar University Institutional Repository: المرسلات الحديثة
السجلات المعروضة 741 -- 760 من 30861
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Beam and RB allocation in LTE uplink with opportunistic beamforming
( IEEE , 2011 , Conference)Opportunistic beamforming is investigated in the context of multicell LTE uplink resource allocation. A scheduling algorithm based on beam and resource block (RB) allocation with opportunistic beamforming is presented. ... -
A utility minimization approach for energy-aware cooperative content distribution with fairness constraints
( Associazione Elettrotecnica ed Elettronica Italiana , 2012 , Article)Cooperation between mobile terminals (MTs) with the objective of energy minimization is studied. The purpose is to distribute a content of common interest to collaborating MTs while ensuring a reduced energy consumption. ... -
A novel distributed scheduling scheme for OFDMA uplink using channel information and probabilistic transmission
( Elsevier , 2011 , Conference)Distributed uplink scheduling in OFDMA systems is considered. In the proposed model, mobile terminals have the responsibility of making their own transmission decisions. The proposed scheme is based on two dimensional ... -
On real-time video streaming over LTE networks with mobile-to-mobile cooperation
( IEEE , 2012 , Conference)Real-time video streaming over LTE networks is investigated in the presence of mobile-to-mobile collaboration. Mobiles are grouped into collaborative clusters using a low-complexity clustering algorithm. In each cluster, ... -
Green communications in LTE networks with environmentally friendly small cell base stations
( IEEE , 2012 , Conference)Green communications in LTE networks with environmentally friendly small cell base stations (BSs) are investigated. An approach to reassign mobile users to different LTE BSs is proposed. The objective is to achieve energy ... -
Cooperative relay-based multicasting for energy and delay minimization
( IEEE , 2012 , Conference)Relay-based multicasting for the purpose of cooperative content distribution is studied. Optimized relay selection is performed with the objective of minimizing the energy consumption or the content distribution delay ... -
Delay efficient cooperation in public safety vehicular networks using LTE and IEEE 802.11p
( IEEE , 2012 , Conference)Cooperative schemes for critical content distribution over vehicular networks are presented and analyzed. The first scheme is based on unicasting from the base station, whereas the second is based on threshold based ... -
Performance study of the implementation of green communications in LTE networks
( IEEE , 2012 , Conference)The application of green communications to LTE networks is analyzed. An approach to reassign mobile users to different LTE BSs is proposed. The objective is to achieve energy savings by switching off lightly loaded BSs ... -
Distributed Load Balancing through Self Organisation of cell size in cellular systems
( IEEE , 2012 , Conference)Uneven traffic load among the cells increases call blocking rates in some cells and causes low resource utilisation in other cells and thus degrades user satisfaction and overall performance of the cellular system. Various ... -
Ethnobotanical survey of medicinal plants used in management of breast cancers in Qatar
( Elsevier , 2025 , Article)Breast cancer is a global health concern, including in Qatar, where it impacts women significantly. The complexity of breast cancer requires diverse treatment approaches influenced by tumor characteristics and biology. ... -
Predictors of enablers and barriers to community pharmacists' management of minor ailments in a developing setting: A theory-driven assessment
( Elsevier , 2023 , Article)Background The clinical and financial burdens associated with minor ailments are well documented, but published evidence suggests that minor ailment services led by community pharmacists have a remarkable positive impact, ... -
A consolidated framework for implementation research (CFIR) guided exploration of key informant perspectives on establishing a pharmacist-led anticoagulation service in primary care: a qualitative study
( Springer Science and Business Media Deutschland GmbH , 2024 , Article)Background: Globally, pharmacist-led anticoagulation services have improved patient outcomes in secondary and tertiary care settings. However, there is a paucity of literature about establishing such services within primary ... -
Awareness of breast cancer and perceived barriers to breast screening methods: a community based cross-sectional study among women in Yemen
( Springer Science and Business Media B.V. , 2024 , Article)Background: In Yemen, effective early detection and a comprehensive grasp of breast cancer symptoms and risk factors are vital in preventing its potentially deadly spread. However, challenges arise in combating breast ... -
Assessing Yemeni university students' public perceptions toward the use of artificial intelligence in healthcare
( Nature Research , 2024 , Article)Artificial intelligence (AI) integration in healthcare has emerged as a transformative force, promising to enhance medical diagnosis, treatment, and overall healthcare delivery. Hence, this study investigates university ... -
The role of Pharmaceutical Marketing in Prescribing Decisions in a Developing Country: a Comprehensive Study Exploiting Theory of Planned Behaviour
( Muhammadiyah Palu University , 2024 , Article)Background: Prescription medicines have become a major component of health systems in both developed and developing countries contributing to, may be, more than half of the total health care expenditure in the developing ... -
Pharmacy students' readiness and preparedness to contribute during disasters: A cross-sectional two institutional study from the uae
( Grupo de Investigacion en Atencion Farmaceutica , 2023 , Article)Background: Pharmacists involvement in disaster management has been acknowledged in the literature for their involvement in various clinical and non-clinical services. Future pharmacists are expected to be skill full in ... -
Cross-sectional assessment of perception and attitude of pharmacy students towards pharmaceutical promotion: a study from developing country, Pakistan
( Frontiers Media SA , 2024 , Article)Background: The pharmaceutical promotion is “all informational and persuasive activities by manufacturers and distributors, the effect of which is to induce the prescription, supply, purchase and/or use of medicinal drugs. ... -
Call admission control with resource reservation for multi-service OFDM networks
( IEEE , 2012 , Conference)In OFDM wireless networks, the radio resources are assigned to the users based on their quality of service needs and depending on their channel quality. Thus, during a call session, the bandwidth requirements and needed ... -
On the performance of distributed base stations in LTE public safety networks
( IEEE , 2012 , Conference)Distributed base stations are studied in the framework of LTE public safety networks. In the proposed model, users are connected to remote radio heads deployed throughout the cell and connected to a central base station. ... -
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 ...