Browsing Qatar Mobility Innovations Center by Type "Conference"
Now showing items 1-20 of 192
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A channel-aware reservation protocol for cooperative content distribution over OFDMA networks
( IEEE , 2011 , Conference)In this paper, a channel aware resource reservation protocol for content distribution in an OFDMA wireless network with mobile-to-mobile cooperation is presented. The proposed approach consists of a reservation phase and ... -
A cooperative multihop approach for energy efficient wireless content distribution
( VDE VERLAG GMBH , 2012 , Conference)Cooperative content distribution for the purpose of energy minimization is investigated in the framework of multihop wireless networks. Mobile terminals cooperate to receive content of common interest from the base station ... -
A data traffic steering algorithm for IEEE 802.11p/LTE hybrid vehicular networks
( IEEE , 2016 , Conference)Reliable vehicular communication is considered an important precondition for future intelligent transportation systems (ITSs). Recently, a combination of ad-hoc direct communication and infrastructure based cellular networks ... -
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 ... -
A game theoretic framework for energy efficient deployment and operation of heterogeneous LTE networks
( IEEE , 2013 , Conference)In this paper, a game theoretical framework for energy efficient operation of heterogeneous LTE cellular networks is proposed. Within this framework, two game theoretic concepts are studied and analyzed. The first approach ... -
A game theoretical approach for cooperative environmentally friendly cellular networks powered by the smart grid
( IEEE , 2014 , Conference)This paper investigates the collaboration between multiple mobile operators to optimize the energy efficiency of cellular networks, maximize their profits or achieve or tradeoff between both objectives. Mobile operators ... -
A generic simulation-based dimensioning approach for planning heterogeneous LTE cellular networks
( IEEE , 2014 , Conference)This paper presents a generic approach for dimensioning LTE/LTE-A cellular networks. Dimensioning is the first step of cellular network planning that determines the approximate number of base stations (BSs) needed to cover ... -
A genetic algorithm solution for the operation of green LTE networks with energy and environment considerations
( Springer , 2012 , Conference)The Base Station (BS) sleeping strategy has become a well-known technique to achieve energy savings in cellular networks by switching off redundant BSs mainly for lightly loaded networks. Besides, the exploitation of ... -
A Hybrid Energy Sharing Framework for Green Cellular Networks
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)Cellular operators are increasingly turning toward renewable energy (RE) as an alternative to using traditional electricity in order to reduce operational expenditure and carbon footprint. Due to the randomness in both RE ... -
A mathematical modeling approach and a novel solution for sector azimuth angle planning
( IEEE , 2014 , Conference)State of the art planning tools rely on intricate simulation models and metaheuristic approaches to determine the optimal azimuth angle of each sector in a system. The process is highly time consuming and the quality of ... -
A modified joint uplink-downlink opportunistic scheduling for Quality of Service guarantees
( IEEE , 2013 , Conference)Quality of Service (QoS) is a very important metric in wireless communication systems, where both Uplink (UL) and Downlink (DL) connections request strict QoS demands in terms of rate, delay, etc. for their proper operation. ... -
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, ... -
A Nash bargaining solution for energy-efficient content distribution over wireless networks with mobile-to-mobile cooperation
( IEEE , 2011 , Conference)A game theoretical formulation for energy minimization in mobile-to-mobile cooperative networks is provided. The problem is formulated as a Nash bargaining game, and the Nash bargaining solution is derived. Furthermore, a ... -
A new MAC design in LTE for MIMO multiuser schemes
( IEEE , 2013 , Conference)Long Term Evolution (LTE) supports closed-loop Multiple Input Multiple Output (MIMO) techniques, as a mechanism to improve system performance. An open topic since the appearance of MIMO is whether the feedback load, that ... -
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 ... -
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 ... -
A novel energy saving MIMO mechanism in LTE systems
( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference)Long Term Evolution (LTE) supports closed-loop MIMO techniques to improve its performance, but in order to exploit multiuser MIMO channel capabilities, the design of an efficient MAC scheme that supports Multiuser MIMO is ... -
A novel multi-hop body-To-body routing protocol for disaster and emergency networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)In this paper, a new multi-hop routing protocol (called ORACE-Net) for disaster and emergency networks is proposed. The proposed hierarchical protocol creates an ad-hoc network through body-To-body (B2B) communication ... -
A practical approach for base station on/off switching in green LTE-A HetNets
( IEEE , 2014 , Conference)This paper describes a method for BS on/off switching in LTE-Advanced (LTE-A). The proposed method uses information exchanged between base stations (BSs) on the X2 interface in order to determine the BSs that should be ... -
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 ...
