نتایج جستجو برای: communication channel information theory

تعداد نتایج: 2230543  

2012
Utsaw Kumar

by Utsaw Kumar The presence of inexpensive and powerful sensing and communication devices has made it possible to deploy large scale distributed systems for a variety of applications. Interactions among different components of such a system include communication of information and controlling dynamical processes, among others. Thus, it is important to blend ideas from information theory and con...

Journal: :IEEE Trans. Information Theory 1972
Manfred Tasto Paul A. Wintz

191 REFERENCES [lOI __ “More on uncertainty feedback: The bandlimited case” IEEL? Trans. Inform. Theory, vol. IT-l?, Mar. 1968, pp. 321-32:. A. J. Kramer, “Improving communication reliability by use of an intermittent feedback channel.” IEEE Trans. Inform. Theory, ~1. DX;nJa11;<1969, pp. 52-66. . Phase incoherent feedback communication,” Commun. Theory Lab., California. Inst. Technol., Pasadena...

2017
Gerald Friedland Alfredo Metere

We demonstrate that discrete Lyapunov exponents are isomorphic to numeric overflows of the capacity of an arbitrary noiseless and memoryless channel in a Shannon communication model with feedback. The isomorphism allows the understanding of Lyapunov exponents in terms of Information Theory, rather than the traditional definitions in chaos theory. The result also implies alternative approaches t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1387

چکیده ندارد.

Journal: :international journal of information science and management 0
jafar mehrad professor, department of knowledge &amp; information science, college of education &amp; psychology, shiraz university, shiraz, iran maryam yaghtin phd student of knowledge &amp; information science, shiraz university, shiraz, iran

the knowledge and information science is more or less linked to other sciences due to its interdisciplinary nature. the interactions between different disciplines and taking advantage of each other’s knowledge can lead to problem solving and scientific advancements. due to the relationship between information and communication, knowledge and information science has many common issues with commu...

2003
M. ALVO

The eigenvalue densities of complex central Wishart matrices are investigated with the objective of studying an open problem in channel capacity. These densities are represented by complex hypergeometric functions of matrix arguments, which can be expressed in terms of complex zonal polynomials. The connection between the complex Wishart matrix theory and information theory is given. This facil...

2011
Aarne O. Mämmelä

In this work, we introduce a general framework for analysis and optimization of adaptive transmission systems in information-unstable channels. In information-unstable channels, the information density does not converge to a one-point measure and the maximum achievable transmission rate is seen as a random variable because it depends on the actual channel state. For that reason, instead of conv...

2004
Sergio Verdú

This paper gives a literature review of detection theory and information theory in the Poisson regime, where the channel model is a Poisson point process whose instantaneous rate is controlled by the input. I. Communication under the Poisson Regime In the semi-classical model of photodetection, the output of the photodetector (e.g. a p-i-n diode) is the superposition of two independent Poisson ...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2014
nlerum f.e onowu e.o.

the study examined the role of information communication technologies in extension delivery of agricultural transformation agenda (ata) of nigeria.  the objectives were to: examine the agricultural extension delivery of ata; identify icts relevant in agricultural extension and application of ata; examine roles of icts in extension of ata and identify constraints to the use of icts in extension ...

1971
Hideo Seki

A new model of a communication system was proposed which takes advantage of both Shannon's as well as Marko's models. Such a model was realized by turning our attention to the point that a two-way communication channel may be understood as a unidirectional channel changing its direction alternatively so long as short time duration is concerned. In contradiction to Marko's view that the Shannon'...

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