Theses:

[1.]    R. Cristescu, Efficient Decentralized Communications in Sensor Networks, for the degree of Doctorat es Sciences in Communication Systems, these no 2952, EPFL (Swiss Federal Institute of Technology, Lausanne),  Switzerland, March 2004.

[2.]    R. Cristescu, Applications of Independent Component Analysis in Telecommunications and Image Processing, for the degree of Licentiate of Technology in Information Science and Communication Systems, Helsinki University of Technology, Finland, December 2000.

[3.]    R. Cristescu, Overcomplete Bases for Independent Component Analysis and Applications to Image Denoising, for the degree of M.Sc. in Electrical Engineering and Computer Science, Polytechnic University Bucharest, Romania, September 1998.

Book chapters:

[1.]    R. Cristescu and M. Vetterli, Sensor Networks, Wireless Networks, Franceschetti, Stornelli, Eds., Academic Press, 2006.

Journals:

Accepted:

[1.]    R. Cristescu, B. Beferull-Lozano, M. Vetterli and R. Wattenhofer, Network Correlated Data Gathering with Explicit Communication: NP-Completeness and Algorithms, in IEEE/ACM Transactions on Networking, April 2006, in press.

[2.]    R. Cristescu, B. Beferull-Lozano and M. Vetterli, Networked Slepian-Wolf: Theory, Algorithms and Scaling Laws, IEEE Transactions on Information Theory, 51(12): 4057- 4073, December 2005.

[3.]    D. Ganesan, R. Cristescu and B. Beferull-Lozano, Power-Efficient Sensor Placement and Transmission Structure for Data Gathering under Distortion Constraints, in ACM Transactions on Sensor Networks, 2006, in press.

[4.]    R. Cristescu and S. D. Servetto, An Optimal Medium Acces Control with Partial Observations in Sensor Networks, in Eurasip Journal on Wireless Networking, Special Issue on Wireless Sensor Networks, Sept. 2005.

[5.]    R. Cristescu and B. Beferull-Lozano, Lossy Network Correlated Data Gathering with High-Resolution Coding, to appear in IEEE/ACM Transactions on Networking and IEEE Transactions on Information Theory, Special Issue on Networking and Information Theory, June 2006.

Submitted:

[6.]    B. Beferull-Lozano, J. Acimovic and R. Cristescu, Adaptive Distributed Algorithms for Power-Efficient Data-Gathering in Sensor Networks, submitted to IEEE Transactions on Signal Processing, July 2005.

Conferences:

[1.]    R. Cristescu, M. Effros and M. Medard, On the Capacity of a Binary MIMO channel with Random Interference, in Proc. Allerton 2005.

[2.]    R. Cristescu and M. Vetterli, On the Optimal Density for Real-Time Data Gathering of Spatio-Temporal Processes in Sensor Networks, in Proceedings of the Fourth International Symposium on Information Processing in Sensor Networks (IPSN'05), Los Angeles, CA.

[3.]    R. Cristescu and B. Beferull-Lozano, Lossy Network Correlated Data Gathering with High-Resolution Coding, in Proceedings of the Fourth International Symposium on Information Processing in Sensor Networks (IPSN'05), Los Angeles, CA.

[4.]    J. Acimovic, B. Beferull-Lozano and R. Cristescu, Adaptive Distributed Algorithms for Power-Efficient Data Gathering in Sensor Networks, in Proceedings of the IEEE International Symposium on Wireless Sensor Networks (WirelessCom 2005), Maui, HI.

[5.]    R. Cristescu, B. Beferull-Lozano, M. Vetterli, D. Ganesan and J. Acimovic, On the Interaction of Data Representation and Routing in Sensor Networks, in Proceedings of the 30th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Philadelphia, PA, (invited paper).

[6.]    J. Acimovic, R. Cristescu and B. Beferull-Lozano, Efficient Distributed Multiresolution Processing for Data Gathering in Sensor Networks, in Proceedings of the 30th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Philadelphia, PA.

[7.]    J.-P. Wagner and R. Cristescu, Power Control for Target Tracking in Sensor Networks, in Proceedings of the 39th Annual Conference on Information Sciences and Systems (CISS 2005), Baltimore, MD.

[8.]    R. Cristescu, B. Beferull-Lozano and M. Vetterli, Scaling Laws for Correlated Data Gathering, in Proceedings of the 2004 IEEE International Symposium on Information Theory (ISIT 2004), Chicago, IL. Full 6-page version here.

[9.]    R. Cristescu, B. Beferull-Lozano and M. Vetterli, On Network Correlated Data Gathering, in Proceedings of the 23rd Conference of the IEEE Communications Society (INFOCOM 2004), Hong Kong.

[10.]    D. Ganesan, R. Cristescu and B. Beferull-Lozano, Power-Efficient Sensor Placement and Transmission Structure for Data Gathering under Distortion Constraints, in Proceedings of the Third International Symposium on Information Processing in Sensor Networks (IPSN'04), Berkeley, CA.

[11.]    R. Cristescu, B. Beferull-Lozano and M. Vetterli, Networked Slepian-Wolf: Theory and Algorithms, in Proceedings of the First European Workshop on Wireless Sensor Networks (EWSN 2004), Berlin. Published also as Springer Lecture Notes in Computer Science 2920/2004.

[12.]    R. Cristescu and M. Vetterli, Power Efficient Gathering of Correlated Data: Optimization, NP-Completeness and Heuristics, in Proceedings of the Fourth ACM International Symposium on Mobile Ad-Hoc Networking and Computing (MobiHoc 2003, poster session), Annapolis, MD. Published also in the ACM SIGMOBILE MC2R, vol. 7, issue 3 (July 2003).

[13.]    T. Ajdler, R. Cristescu, P. L. Dragotti, M. Gastpar, I. Maravic and M. Vetterli, Distributed Signal Processing and Communications: on the Interaction of Sources and Channels, in Proceedings of the 28th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2003), Hong Kong, (invited paper).

[14.]    R. Cristescu and S. D. Servetto, A Convergence Theorem for Controlled Queues with Partial Observations, in Proceedings of the 2002 IEEE International Symposium on Information Theory (ISIT 2002), Lausanne, Switzerland.

[15.]    R. Cristescu and S. D. Servetto, Flow Control for Multiple-Access Queues, in Proceedings of the 35th Annual Conference on Information Sciences and Systems (CISS 2001), Baltimore, MD.

[16.]    R. Cristescu, T. Ristaniemi, J. Joutsensalo, and J. Karhunen, Blind Separation of Convolved Mixtures for CDMA Systems, in Proceedings of the European Signal Processing Conference (EUSIPCO 2000), Tampere, Finland.

[17.]    R. Cristescu, T. Ristaniemi, J. Joutsensalo, and J. Karhunen, CDMA Delay Estimation using Fast ICA Algorithm, in Proceedings of the International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2000), London, UK.

[18.]    R. Cristescu, J. Joutsensalo, J. Karhunen, and E. Oja, A Complexity Minimization Approach for Estimating Fading Gaussian Channel in CDMA Communications, in Proceedings of the International Workshop on Independent Component Analysis and Blind Signal Separation (ICA 2000), Helsinki, Finland.

[19.]    R. Cristescu, T. Ristaniemi, J. Joutsensalo, and J. Karhunen, Delay Estimation in CDMA Communications Using A FastICA Algorithm, in Proceedings of the International Workshop on Independent Component Analysis and Blind Signal Separation (ICA 2000), Helsinki, Finland.

[20.]    R. Cristescu, J. Joutsensalo, and T. Ristaniemi, Fading Channel Estimation by Mutual Information Minimization for Gaussian Stochastic Processes, in Proceedings of the IEEE International Conference on Communications (ICC 2000), New Orleans, LA.

[21.]    R. Cristescu, J. Karhunen, J. Joutsensalo, and T. Ristaniemi, Blind Separation Methods for CDMA Communications, in Proceedings of the Learning Workshop 2000, Snowbird, UT, (invited paper).

[22.]   A. Hyvärinen, R. Cristescu and E. Oja, A Fast Algorithm for Estimating Overcomplete ICA Bases for Image Windows, in Proceedings of the 1999 IEEE International Joint Conference on Neural Networks (IJCNN 1999), Washington, DC.