Browsing Faculty of Engineering by Title
Now showing items 2206-2225 of 3117
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Redundancy estimation and adaptive density control inwireless sensor networks
(Old City Publishing, 2010)While dense random deployment satisfies coverage and sensing requirements, constructing dense networks of sensor nodes poses the problems of obtaining node location information.We provide an analytical framework for ... -
Redundant encoding and packaging for segmented live media
(ACM, 2023-06-16)We present the MPEG standardization activity on redundant encoding and packaging for live segmented media. The standardization includes profiling the Dynamic Adaptive Streaming over HTTP (DASH) Media Presentation Description ... -
Referanssız görüntü bloklanma ölçümü için yeni bir yöntem
(IEEE, 2014)Internet’te ve servis sağlayıcı ağlarında video trafiğinin tavan yaptığı günümüzde otomatik görüntü kalitesi ölçümünün faydaları aşikardır. Bu ölçümlerin birçok uygulamada gerçekzamanlı yapılması gerekir ve de bu “Referanssız” ... -
Reflector-aided underwater optical channel modeling
(Optica Publishing Group, 2022-10-15)Underwater visible light communication (UVLC) has been proposed as a high-speed alternative to acoustic signaling. While most UVLC systems are configured to work in line-of-sight (LOS) conditions, it is also possible to ... -
Regional-scale seismic fragility, loss, and resilience assessment using physics-based simulated ground motions: An application to istanbul
(Wiley, 2023-05)Using results from 57 large-scale physics-based fault-rupture and wave propagation simulations, this research aims to evaluate the seismic risk, loss, and resilience of more than 16,000 reinforced concrete buildings in the ... -
Regularized stochastic team problems
(Elsevier, 2021-03)In this paper, we introduce regularized stochastic team problems. Under mild assumptions, we prove that there exists a unique fixed point of the best response operator, where this unique fixed point is the optimal regularized ... -
Reinforcement learning to adjust parametrized motor primitives to new situations
(Springer Science+Business Media, 2012-11)Humans manage to adapt learned movements very quickly to new situations by generalizing learned behaviors from similar situations. In contrast, robots currently often need to re-learn the complete movement. In this paper, ... -
Relating Staged Computation to the Record Calculus
(Özyeğin University, 06.09.2010)It has been previously shown that there is a close relation between record calculus and program generation (e.g. Lisp-like quasiquotations): A translation has been defined to convert staged expressions to record calculus ... -
Relationship between response modification coefficient and displacement amplification factor for different seismic levels and site classes
(National Technical University of Athens, 2019)Modern seismic design provisions allow structural systems to be designed for reduced forces, which are typically much smaller than the corresponding elastic design loads. This reduction in seismic loads is done by using ... -
Relative modification of prompt psi(2S) and J/psi yields from pp to PbPb collisions at root(S)(NN)=5.02 TeV
(American Physical Society, 2017)The relative modification of the prompt psi(2S) and J/psi yields from pp to PbPb collisions, at the center-of- mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples ... -
Relative modification of prompt ψ (2S) and J / ψ yields from pp to PbPb collisions at √sNN = 5.02 TeV
(American Physical Society, 2017)The relative modification of the prompt ψð2SÞ and J=ψ yields from pp to PbPb collisions, at the centerof-mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples collected ... -
Relaxations and exact solution of the variable sized bin packing problem
(Springer Science+Business Media, 2011-03)We address a generalization of the classical one-dimensional bin packing problem with unequal bin sizes and costs. We investigate lower bounds for this problem as well as exact algorithms. The main contribution of this ... -
Relay selection for cooperative underwater acoustic communication systems
(IEEE, 2012)In this paper, we consider a multi-carrier and multi-relay underwater acoustic communication (UWAC) system and investigate the relay selection problem. Our channel model is built on an aggregation of both large-scale path ... -
Relay selection in dual-hop vehicular networks
(IEEE, 2011-02)In this letter, we investigate cooperative diversity with relay selection over cascaded Rayleigh fading channels. In particular, we analyze the performance of a relay selection scheme for cooperative vehicular networks ... -
Relay-assisted OFDM for NLOS ultraviolet communication
(2015)Ultraviolet (UV) communication enables non-line-of-sight (NLOS) outdoor wireless connectivity and is particularly desirable to relax or eliminate pointing and tracking requirements of infrared links. The main two degrading ... -
Relay-assisted OFDM for ultraviolet communications: performance analysis and optimization
(IEEE, 2017)Ultraviolet (UV) communication enables non-line-of-sight (NLOS) outdoor wireless connectivity and is particularly desirable to relax or eliminate pointing and tracking requirements of infrared links. In comparison to ... -
Relay-assisted OFDM transmission for indoor visible light communication
(IEEE, 2014)In this study, we investigate a relay-assisted visible light communication (VEC) system where an intermediate light source cooperates with the main light source. Specifically, we consider two light sources in an office ... -
Relay-assisted OFDM-based visible light communications
(IEEE, 2015-10)In this study, we investigate a relay-assisted visible light communication (VLC) system where an intermediate light source cooperates with the main light source. Specifically, we consider two light sources in an office ... -
Relay-assisted OFDM-based visible light communications over multipath channels
(IEEE, 2015-07)In this paper, we investigate the performance of relay-assisted visible light communication (VLC) system over multipath channels. We consider an indoor environment where the ceiling light serves as the information source ... -
Relief aid provision to en route refugees: Multi-period mobile facility location with mobile demand
(Elsevier, 2022-09-01)Many humanitarian organizations aid en route refugee groups who are on their journey to cross borders using mobile facilities and need to decide the number and routes of the facilities. We define a multi-period facility ...
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