Browsing by Author "Kourtellaris, C. K."
Now showing items 1-20 of 26
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Conference Object
Applications of information Nonanticipative Rate Distortion Function
Stavrou, P. A.; Kourtellaris, C. K.; Charalambous, Charalambos D. (Institute of Electrical and Electronics Engineers Inc., 2014)The objective of this paper is to further investigate various applications of information Nonanticipative Rate Distortion Function (NRDF) by discussing two working examples, the Binary Symmetric Markov Source with parameter ...
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Conference Object
Capacity of Binary State Symmetric Channel with and without feedback and transmission cost
Kourtellaris, C. K.; Charalambous, Charalambos D. (Institute of Electrical and Electronics Engineers Inc., 2015)We consider a unit memory channel, called Binary State Symmetric Channel (BSSC), in which the channel state is the modulo2 addition of the current channel input and the previous channel output. We derive closed form ...
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Conference Object
Capacity of channels with memory and feedback: Encoder properties and dynamic programming
Charalambous, Charalambos D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2010)This paper is concerned with capacity formulae for channels with memory and feedback, properties of the capacity achieving encoder, and dynamic programming for designing optimal encoders. The source is general and the ...
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Conference Object
Capacity of channels with memory and feedback: Encoder properties and dynamic programming
Charalambous, C. D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2010)This paper is concerned with capacity formulae for channels with memory and feedback, properties of the capacity achieving encoder, and dynamic programming for designing optimal encoders. The source is general and the ...
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Conference Object
The capacity of unstable dynamical systems-interaction of control and information transmission
Charalambous, Charalambos D.; Kourtellaris, C. K.; Loyka, S.; Tzortzis, I. (Institute of Electrical and Electronics Engineers Inc., 2017)Feedback capacity is extended beyond classical communication channels, to stochastic dynamical systems, which may correspond to unstable control systems or unstable communication channels, subject to average cost constraints ...
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Book Chapter
Directed information on abstract spaces: Properties and extremum problems
Charalambous, Charalambos D.; Stavrou, P. A.; Kourtellaris, C. K. (Springer Verlag, 2015)
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Conference Object
Hierarchical decomposition of optimal control and information strategies in control-coding capacity of stochastic systems
Charalambous, Charalambos D.; Kourtellaris, C. K.; Tzortzis, I. (Institute of Electrical and Electronics Engineers Inc., 2018)The Control-Coding Capacity (CC Capacity) is defined as the maximum amount of information in bits/second, which can be encoded into randomized control strategies, transmitted over the control system, and decoded at its ...
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Book Chapter
Information nonanticipative rate distortion function and its applications
Stavrou, P. A.; Kourtellaris, C. K.; Charalambous, Charalambos D. (Springer Verlag, 2015)
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Article
Information Structures for Feedback Capacity of Channels with Memory and Transmission Cost: Stochastic Optimal Control & Variational Equalities
Kourtellaris, C. K.; Charalambous, Charalambos D. (2017)The Finite Transmission Feedback Information (FTFI) capacity is characterized for any class of channel conditional distributions PBi|Bi-1, Ai and P Bi|Bi-1 i-M, Ai, where M is the memory of the channel, Bi ? {B-1, B0,..., ...
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Conference Object
Information structures of capacity achieving distribution for channels with memory and feedback
Kourtellaris, C. K.; Charalambous, Charalambos D. (Institute of Electrical and Electronics Engineers Inc., 2016)The information structures of the optimal channel input distributions P[0,n] t {PAi|Ai-1,Bi-1 : i = 0,1.,n}, which correspond to the extremum problem of feedback capacity equation are identified, for any class of channel ...
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Conference Object
Information transfer in stochastic optimal control with randomized strategies and directed information criterion
Charalambous, Charalambos D.; Kourtellaris, C. K.; Tzortzis, I. (Institute of Electrical and Electronics Engineers Inc., 2016)We show that stochastic dynamical control systems are capable of information transfer from control processes to output processes, with operational meaning as defined by Shannon. Moreover, we show that optimal control ...
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Article
Information Transfer of Control Strategies: Dualities of Stochastic Optimal Control Theory and Feedback Capacity of Information Theory
Charalambous, Charalambos D.; Kourtellaris, C. K.; Tzortzis, I. (2017)The control-coding capacity of stochastic control systems is introduced, and its operational meaning is established using randomized control strategies, which simultaneously control output processes encode information, and ...
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Article
Nonanticipative duality of sources and channels with memory and feedback
Kourtellaris, C. K.; Charalambous, Charalambos D.; Stavrou, P. A. (2015)
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Conference Object
Nonanticipative transmission for sources and channels with memory
Kourtellaris, C. K.; Charalambous, Charalambos D.; Boutros, J. J. (Institute of Electrical and Electronics Engineers Inc., 2015)In this paper we analyze nonanticipative (delayless) transmission of source symbols with memory over channels with memory (with and without feedback). We employ duality of source, channel pairs with respect to distortion ...
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Book Chapter
On Shannon’s duality of a source and a channel and nonanticipative communication and communication for control
Charalambous, Charalambos D.; Kourtellaris, C. K.; Stavrou, P. A. (Springer Verlag, 2014)
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Conference Object
Optimal encoder and control strategies in stochastic control subject to rate constraints for channels with memory and feedback
Charalambous, Charalambos D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2011)This paper is concerned with the joint design of encoder/control strategies which minimize a control payoff subject to a rate constraint on the feedback information provided by the system. The control system is described ...
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Conference Object
Optimal encoder and control strategies in stochastic control subject to rate constraints for channels with memory and feedback
Charalambous, C. D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2011)This paper is concerned with the joint design of encoder/control strategies which minimize a control payoff subject to a rate constraint on the feedback information provided by the system. The control system is described ...
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Conference Object
Optimal encoders maximizing directed information of channels with memory and feedback: Stochastic control and dynamic programming
Charalambous, Charalambos D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2011)This paper is concerned with the stochastic control formulation of the capacity of channel with memory and feedback. The pay-off is the directed information from the source sequence to the channel output sequence, while ...
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Conference Object
Optimal encoders maximizing directed information of channels with memory and feedback: Stochastic control and dynamic programming
Charalambous, C. D.; Kourtellaris, C. K.; Hadjicostis, Christoforos N. (2011)This paper is concerned with the stochastic control formulation of the capacity of channel with memory and feedback. The pay-off is the directed information from the source sequence to the channel output sequence, while ...
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Conference Object
Rate distortion function with causal decoding
Charalambous, Charalambos D.; Kourtellaris, C. K.; Stavrou, P. A. (2010)This paper considers source coding of general sources with memory, when causal feedback is available at the decoder. The rate distortion function is defined as the infimum of the so-called directed information over causal ...