Auflistung Nach Schlagwort "Information theory"
Anzeige der Dokumente 1-20 von 21
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An analytical study of network coding in the presence of real-time messages
(2010)With network coding, two data packets are transformed into one by a simple XOR-operation. The transformed packet is transmitted and each original packet can be retrieved at its destination node through a similar XOR-operation. ... -
Bayesian optimal sensor placement for crack identification in structures using strain measurements
(2018)A Bayesian framework is presented for finding the optimal locations of strain sensors in a plate with a crack with the goal of identifying the crack properties, such as crack location, size, and orientation. Sensor grids ... -
Broadcast erasure channel with feedback-capacity and algorithms
(2009)We consider the two-user broadcast erasure channel where feedback in the form of ack messages is fed back to the transmitter. We provide an upper bound to the capacity region of this system. We then present two algorithms ... -
Capacity-achieving encoding for the broadcast erasure channel with multiple users
(2011)We consider the N-user memoryless broadcast erasure channel with N unicast sessions (one for each user) where receiver feedback is sent to the transmitter in the form of ACK/NACK messages. We first provide a generic outer ... -
Context-aware medical content adaptation through semantic representation and rules evaluation
(2008)Proper coding and transmission of medical and physiological data is a crucial issue for the effective deployment and performance of telemedicine services. The paper presents a platform for performing proper medical content ... -
Effective cache management and performance limits in information-centric networks
(2013)Proliferation of content distribution traffic in the Internet is changing the requirements on the networking infrastructure to the extent that radical new architectures are envisioned, where information is addressed by ... -
Exploiting co-location history for efficient service selection in ubiquitous computing systems
(2005)As the ubiquitous computing vision materializes, the number and diversity of digital elements in our environment increases. Computing capability comes in various forms and is embedded in different physical objects, ranging ... -
Exploiting user mobility for wireless content delivery
(2013)We consider the problem of storing segments of encoded versions of content files in a set of base stations located in a communication cell. These base stations work in conjunction with the main base station of the cell. ... -
A framework for joint network coding and transmission rate control in wireless networks
(2010)Network coding has been proposed as a technique that can potentially increase the transport capacity of a wireless network via processing and mixing of data packets at intermediate routers. However, most previous studies ... -
Illumination, data transmission, and energy harvesting: The threefold advantage of VLC
(2017)Visible light communication (VLC) is a promising technology that meets illumination and information transmission requirements in an indoor environment. Because light waves convey energy, a VLC link may exploit that fact ... -
An information theoretic framework for optimal experimental design
(2017)An information theoretic framework for optimal experimental design is presented. The objective function is rooted in information theory, and is the expected Kullback-Leibler divergence between the prior and posterior pdf ... -
Joint quantizer optimization for scalable coding
(2010)Scalability is an attractive solution to the problems posed by modern multimedia transmission systems. The key for better performance in scalable coding is joint rate distortion optimization. We present a new stochastic ... -
Learning objects and learning services in the semantic web
(2008)With the development of the web and the intense research for a semantic web, the need arises for standardized and rigorous semantic specification both of Services on the semantic web and of the objects and processes that ... -
Mobility support through caching in content-based publish/subscribe networks
(2010)In a publish/subscribe (pub/sub) network, message delivery is guaranteed for all connected subscribers at publish time. However, in a dynamic mobile scenario where users join and leave the network, it is important that ... -
Network coding and service reneging for real-time communication in sensor networks
(2010)In a number of application domains, the volatility of the environment where Wireless Sensor Networks (WSNs) should operate engenders time constraints on the generation, processing, and communication of sensory data. In ... -
On-line storage management with distributed decision making for content-centric networks
(2011)Content traffic proliferation in Internet makes more dire than ever the development of radical new network architectures, where information will be addressed by semantic attributes rather than the origin and destination ... -
Optimal experimental design for structural health monitoring applications
(2008)Successful structural health monitoring and condition assessment depends to a large extent on the sensor and actuator networks place on the structure as well as the excitation characteristics. An optimal experimental design ... -
Optimal sensor placement for reliable virtual sensing using modal expansion and information theory
(2021)A framework for optimal sensor placement (OSP) for virtual sensing using the modal expansion technique and taking into account uncertainties is presented based on information and utility theory. The framework is developed ... -
Optimal sensor placement for response reconstruction in structural dynamics
(2020)A framework for optimal sensor placement (OSP) for response reconstruction under uncertainty is presented based on information theory. The OSP is selected as the one that maximizes an expected utility function taken as the ... -
Shopping mall environmental impact evaluation based on microscopic traffic flow simulation
(2019)The goal of the paper is to demonstrate the approach of using microscopic traffic flow simulation for evaluation of the environmental impact of new Shopping mall in the urban area. The results of the research demonstrate, ...