Qatar Mobility Innovations Center: المرسلات الحديثة
السجلات المعروضة 141 -- 160 من 219
-
A game theoretic framework for energy efficient deployment and operation of heterogeneous LTE networks
( IEEE , 2013 , Conference Paper)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 ... -
Transmit Power Minimization and Base Station Planning for High-Speed Trains with Multiple Moving Relays in OFDMA Systems
( IEEE , 2017 , Conference Paper)A high-speed railway system equipped with moving relay stations placed on the middle of the ceiling of each train wagon is investigated. The users inside the train are served in two hops via orthogonal frequency-division ... -
On the capacity and spatial fairness trade-off in planning sectorization and frequency reuse
( IEEE , 2013 , Conference Paper)The intrinsic trade-off between the capacity and Quality of Service (QoS) has long been subject of investigation in the design of MAC layer scheduling, power and call admission control mechanisms. However, from prospective ... -
Optimized LTE Cell Planning with Varying Spatial and Temporal User Densities
( IEEE , 2016 , Conference Paper)Base station (BS) deployment in cellular networks is one of the fundamental problems in network design. This paper proposes a novel method for the cell planning problem for fourth-generation (4G) cellular networks using ... -
A game theoretical approach for cooperative environmentally friendly cellular networks powered by the smart grid
( IEEE , 2014 , Conference Paper)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 ... -
Green Virtualization for Multiple Collaborative Cellular Operators
( IEEE , 2017 , Conference Paper)This paper proposes and investigates a green virtualization framework for infrastructure sharing among multiple cellular operators whose networks are powered by a combination of conventional and renewable sources of energy. ... -
A generic simulation-based dimensioning approach for planning heterogeneous LTE cellular networks
( IEEE , 2014 , Conference Paper)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 mathematical modeling approach and a novel solution for sector azimuth angle planning
( IEEE , 2014 , Conference Paper)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 ... -
Achieving green LTE-A HetNets with D2D traffic offload and renewable energy powered small cell BSS
( IEEE , 2014 , Conference Paper)Energy aware coordination between mobile devices and the cellular network infrastructure is studied. The objective is to rely on both device-to-device (D2D) communications and any small cell base stations (BSs) that can ... -
LTE radio network planning with HetNets: BS placement optimization using simulated annealing
( IEEE , 2014 , Conference Paper)In this paper, the optimization of base station (BS) deployment is investigated. After determining an approximate number of required BSs to cover an area of interest, the positions of these BSs are determined using the ... -
Green operation of LTE-A femtocell networks benefiting from centralized control
( IEEE , 2015 , Conference Paper)Green operation of a specific category of femtocell networks, where a central controller can control the network within the premises of a campus or building, is investigated. An energy efficient approach for switching off ... -
Empirical evaluation of acoustical signals for leakage detection in underground plastic pipes
( IEEE , 2014 , Conference Paper)In this paper, an empirical evaluation of acoustical signals for leakage detection and quantification in underground plastic pipes for main water distribution networks is presented. Several experiments have been carried ... -
Optimized smart grid energy procurement for LTE networks using evolutionary algorithms
( IEEE , 2014 , Article)Energy efficiency aspects in cellular networks can contribute significantly to reducing worldwide greenhouse gas emissions. The base station (BS) sleeping strategy has become a well-known technique to achieve energy savings ... -
Joint Bandwidth and Power Allocation for MIMO Two-Way Relays-Assisted Overlay Cognitive Radio Systems
( IEEE , 2015 , Conference Paper)This paper studies the achievable cognitive sum rate of an overlay cognitive radio (CR) system assisted with multiple antennas two-way relays in which primary users (PUs) cooperate with cognitive users (CUs) for mutual ... -
QoE enhancement of SVC video streaming over vehicular networks using cooperative LTE/802.11p communications
( IEEE , 2015 , Article)Real-time streaming of scalable video coded (SVC) videos in vehicular networks is investigated, and novel cooperative vehicle-to-vehicle (V2V) communication methods are proposed. The proposed techniques are based on grouping ... -
On real-time smart meter reading using OFDMA-based random access
( IEEE , 2014 , Conference Paper)Real-time transmission of smart meter measurement data is investigated. A contention based approach exploiting the unused cellular spectrum, e.g. of 4G Long Term Evolution (LTE), is proposed. The proposed approach uses ... -
LTE radio resource management for real-time smart meter reading in the smart grid
( IEEE , 2015 , Conference Paper)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 ... -
Cluster based V2V communications for enhanced QoS of SVC video streaming over vehicular networks
( IEEE , 2014 , Conference Paper)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 ... -
Network QoE metrics for assessing system-level performance of radio resource management algorithms in LTE networks
( IEEE , 2014 , Conference Paper)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 ... -
QoS-aware joint uplink-downlink scheduling in FDD LTE-Advanced with carrier aggregation
( IEEE , 2014 , Conference Paper)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 ...