Browsing QMIC Research by Publication Date
Now showing items 1-20 of 219
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Cooperative ad hoc networks for energy and delay efficient content distribution with fast channel variations
( John Wiley and Sons Ltd , 2012 , Article)Cooperative ad hoc networks for the efficient distribution of content of common interest are studied in the case of fast channel variations. Mobiles are grouped into cooperative clusters for the purpose of receiving the ... -
Resource allocation with interference mitigation in femtocellular networks
( John Wiley & Sons, Ltd. , 2012 , Article)The introduction of femtocells enabled high data rates and better indoor coverage without the need for expanding or increasing the density of cellular networks deployment or upgrading the cellular network infrastructure. ... -
Optimized green operation of LTE networks in the presence of multiple electricity providers
( IEEE , 2012 , Conference)Energy efficiency aspects in cellular networks can significantly contribute to the reduction of greenhouse gas emissions and help to save the environment. The base station (BS) sleeping strategy has become a well-known ... -
An energy-efficient M2M communication method for leakage detection in underground water pipes
( Association for Computing Machinery , 2012 , Conference)An application of machine-to-machine (M2M) communication for leakage detection in underground water infrastructures is considered. A mobile sensor immersed in the water pipe is assumed to communicate with relay nodes on ... -
Energy-efficient Device-to-Device communications in LTE public safety networks
( IEEE , 2012 , Conference)Device-to-Device communications are studied in the framework of LTE public safety networks. We propose a model where devices cooperate on the short range by forming coalitions for the purpose of energy efficiency. In each ... -
Heterogeneous LTE/802.11a mobile relays for data rate enhancement and energy-efficiency in high speed trains
( IEEE , 2012 , Conference)Performance enhancements of cellular networks for passengers in high speed railway systems are investigated. Relays placed on top of each train car are proposed. These relays communicate with the cellular base station (BS) ... -
Enhancing the QoS of real-time video streaming over LTE MBMS using D2D communications
( Association for Computing Machinery , 2012 , Conference)Real-time video streaming over LTE multicast and broadcast multimedia services (MBMS) is investigated. The impact of device-to-device (D2D) communications in enhancing the quality of service (QoS) and reducing energy ... -
Air quality monitoring and prediction system using machine-to-machine platform
(2012 , Conference)This paper presents an ambient air quality monitoring and prediction system. The system consists of several distributed monitoring stations that communicate wirelessly to a backend server using machine-to-machine communication ... -
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 ... -
Cooperative wireless sensor networks for green internet of things
( Association for Computing Machinery , 2012 , Conference)Green internet of things are investigated by studying energy efficiency in wireless sensor networks. A cooperative multihop data transmission approach is presented and analyzed. Significant energy savings are achieved with ... -
Peer-to-peer content sharing techniques for energy efficiency in wireless networks with fast channel variations
( CRC Press , 2013 , Book chapter)According to the International Telecommunication Union, information and communication technology (ICT) was emitting 0.83 GtCO2e (gigatons of carbon dioxide equivalent), contributing to around 2%-2.5% of global greenhouse ... -
Smart grid energy procurement for green LTE cellular networks
( CRC Press , 2013 , Book chapter)Smart grid is becoming a new global commercial venture widely seen as a means to upgrade electrical infrastructure to enhance power savings and optimize some green goals of consumers by reducing greenhouse gas emissions ... -
Interplay between cooperative device-to-device communications and green LTE cellular networks
( CRC Press , 2013 , Book chapter)Traditional efforts for saving energy in cellular networks focus on reducing the transmit powers of base stations (BSs) and mobile devices. However, when a BS is in its working mode, studies show that more than 50% of the ... -
Quality of experience for spatial cognitive systems within multiple antenna scenarios
( IEEE , 2013 , Article)Multiple Input Multiple Output (MIMO) adds a new dimension, the spatial one, to be optimized in Cognitive Radio (CR) by offering service simultaneously to more than one user. In this paper, statistical optimization techniques ... -
Power consumption in spatial cognition
( wiley , 2013 , Article)Multiple input multiple output adds a new dimension to be exploited in cognitive radio by simultaneously serving several users. The spatial domain that is added through multiple input multiple output is another system ... -
Energy optimization in multiuser quantized feedback systems
( Springer Nature , 2013 , Article)This article explores the effects of quantization of feedback information on energy consumption in multiuser wireless communication systems. In order to optimize the energy consumption of the system, the article concentrates ... -
Power management in multiuser adaptive modulation transmission under QoS requirements
( wiley , 2013 , Article)A transmitter power management mechanism is presented in this paper where Multiple-Input Multiple-Output (MIMO) Multiuser Random Beamforming with Adaptive Modulation strategy is performed by the system. The objective of ... -
Distributed antenna systems for enhanced video transmission in LTE public safety networks
( IGI Global , 2013 , Book chapter)In this chapter, Long Term Evolution (LTE) for public safety is investigated. Particularly, Distributed Antenna Systems (DAS) are studied, and their impact on LTE public safety networks is analyzed. Furthermore, resource ... -
Joint energy-distortion aware algorithms for cooperative video streaming over LTE networks
( Elsevier , 2013 , Article)Real-time video streaming over long-term evolution (LTE) networks is investigated in the presence of mobile-to-mobile collaboration. A multi-objective problem for energy and distortion minimization is formulated and an ... -
Long-term fairness in multi-cell networks using rate predictions
( IEEE , 2013 , Conference)Providing fair service to users in cellular networks is of significant importance to mobile operators. However, the geographic variability of network coverage and irregularity of user demand in space and time has made ...
