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- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- 2013 IEEE Information Theory Workshop (ITW)
- 2013

This paper studies optimization of zero-delay source-channel codes, and specifically the problem of obtaining globally optimal transformations that map between the source space and the channel space, under a given transmission power constraint and for the mean square error distortion. Particularly, we focus on the setting where the decoder has access to… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- 2014 IEEE International Symposium on Information…
- 2014

This paper proposes an optimization method, based on information theoretic ideas, to a class of distributed control problems. As a particular test case, the well-known and numerically “over-mined” problem of decentralized control and implicit communication, commonly referred to as Witsenhausen's counterexample, is considered. The key idea is… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- 2014 IEEE International Conference on Acoustics…
- 2014

This paper studies the optimization of zero-delay analog mappings in a network setting that involves distributed coding. The cost surface is known to be non-convex, and known greedy methods tend to get trapped in poor locally optimal solutions that depend heavily on initialization. We derive an optimization algorithm based on the principles of… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- IEEE Trans. Communications
- 2015

This paper studies the problem of global optimization of zero-delay source-channel codes that map between the source space and the channel space, under a given transmission power constraint and for the mean square error distortion. Particularly, we focus on two well known network settings: the Wyner-Ziv setting where only a decoder has access to side… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- ArXiv
- 2014

This paper studies the problem of mapping optimization in decentralized control problems. A global optimization algorithm is proposed based on the ideas of “deterministic annealing” a powerful non-convex optimization framework derived from information theoretic principles with analogies to statistical physics. The key idea is to randomize the mappings and… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- 2016 IEEE International Conference on Acoustics…
- 2016

This paper extends the well-known source coding problem of multiple descriptions, in its general and basic setting, to analog source-channel coding scenarios. Encoding-decoding functions that optimally map between the (possibly continuous valued) source and the channel spaces are numerically derived. The main technical tool is a non-convex optimization… (More)

- Mustafa S. Mehmetoglu, Emrah Akyol, Kenneth Rose
- ArXiv
- 2016

This note studies the global optimization of controller mappings in discrete-time stochastic control problems including Witsenhausen’s celebrated 1968 counter-example. We propose a generally applicable non-convex numerical optimization method based on the concept of deterministic annealing – which is derived from information theoretic principles and was… (More)

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