Čedomir Stefanović

Nastava

Smer: Komunikacione tehnologije i obrada signala
Osnovi digitalnih telekomunikacija
Digitalne modulacije
Bežične senzorske mreže

Smer: PTT saobraćaj
Principi digitalnih komunikacija
Principi digitalnih modulacija

Konsultacije

Ponedeljak i sreda 10-11h i uvek kada sam u kancelariji.

Asistenti

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Oblasti interesovanja

Bežicne ad-hok mreže:

• Napredni distribuirani postupci za slucajan pristup kanalu
• Distribuirano mrežno kodovanje male kompleksnosti

Sinhronizacija na nivou rama:

• Akvizicija sinhronizacije - pretraga za sinhro-sekvencom, verovatnoca simulacije, analiza algoritama za akviziciju.
• Napredni postupci za detekciju rama - sinhronizacija pomocu redudanse koda (LDPC kodovi).

Odabrane publikacije

Casopisi:

1. H. Thomsen, N. Pratas, C. Stefanovic, P. Popovski, "Code-Expanded Radio Access Protocol for M2M Communications", Transactions on Emerging Telecommunications Technologies, to appear.
2. C. Stefanovic, P. Popovski, D. Vukobratovic: "Frameless ALOHA Protocol for Wireless Networks," IEEE Communication Letters, Vol. 16, No. 12, pp. 2087-2090, December 2012. http://arxiv.org/abs/1205.4208
3. C.Stefanovic. D.Vukobratovic, V. Stankovic, R. Fantacci, "Packet-centric approach for distributed sparse-graph coding in wireless ad-hoc networks", Ad Hoc Networks, 11 (2013), pp. 167-181, http://www.sciencedirect.com/science/article/pii/S1570870512000868?v=s5
4. C. Stefanovic, D. Bajic: "On the Search for a Sequence from a Predefined Set of Sequences in Random and Framed Data Streams", IEEE Transactions on Communications, vol. 60, no. 1, pp. 189-197, January 2012.
5. C. Stefanovic, D. Vukobratovic, F. Chiti, L. Niccolai, V. Crnojevic, R. Fantacci, ”Urban Infrastructure-to-Vehicle Traffic Data Dissemination Using UEP Rateless Codes”, IEEE Journal on Selected Areas in Communications (Special Issue on Vehicular Communications and Networks), vol.29, no.1, pp. 94-102, January 2011.
6. D. Vukobratovic, C. Stefanovic, V. Crnojevic, F. Chiti, R. Fantacci: "Rateless Packet Approach for Data Gathering in Wireless Sensor Networks", IEEE Journal on Selected Areas in Communications (Special Issue on Simple Wireless Sensor Networks Solutions), vol. 28, no. 7, pp. 1169-1179, September 2010.

Konferencije:

1. Q. Shafiee‎, T. Dragicevic , C. Stefanovic‎, ‎, P. Popovski‎, J.C. Vasquez‎, J.M. Guerrero, “A Novel Robust Communication Algorithm for Distributed Secondary Control of Islanded MicroGrids”, IEEE Energy Conversion Congress and Exposition ECCE 2013, accepted for presentation
2. J. H. Sørensen, C. Stefanovic, P. Popovski, "Coded Splitting Tree Protocols", accepted for presentation at IEEE ISIT 2013.
3. G. Corrales Madueno,  C. Stefanovic, P. Popovski, "How Many Smart Meters can be Deployed in a GSM cell?", accepted for presentation at IEEE ICC 2013 Workshop on Telecommunication Standards, 2013.
4. P. Popovski, C. Stefanovic, J. H. Sørensen, "Random access protocols based on rateless codes", Information Theory and Applications Workshop ITA 2013, February 2013, San Diego, CA, USA
5. C. Stefanovic, K. F. Trilingsgaard, N. K. Pratas, P. Popovski, "Joint Estimation and Contention-Resolution Protocol for Wireless Random Access", accepted for presentation at IEEE ICC 2013, 2013.
6. N. Pratas, H. Thomsen, C. Stefanovic, P. Popovski, "Code-Expanded Random Access for Machine-Type Communications", IEEE GLOBECOM 2012, December 2012, Anaheim, CA, USA.
7. arxiv link: http://arxiv.org/pdf/1207.0362.pdf
8. C. Stefanovic, D. Vukobratovic, V. Crnojevic, V. Stankovic: "A Random Linear Coding Scheme with Perimeter Data Gathering for Wireless Sensor Networks", WONS 2011, Bardonecchia, Italy.
9. D. Vukobratovic, C. Stefanovic, V. Stankovic: "Fireworks: A Random Linear Coding Scheme for Distributed Storage in Wireless Sensor Networks," IEEE ITW 2010, Dublin, Ireland, September 2010.
10. C. Stefanovic, D. Bajic, "Acquisition Times of Contiguous and Distributed Marker Sequences: A Cross-Bifix Analysis", SETA 2010, Paris, September 2010.
11. D. Bajic, C. Stefanovic, "Statistical Analysis of Search for Set of Sequences in Random and Framed Data", SETA 2010, Paris, September 2010.
12. C. Stefanovic, V. Crnojevic, D. Vukobratovic, L. Niccolai, F. Chiti, R. Fantacci, "Contaminated Area Monitoring via Distributed Rateless Coding with Constrained Data Gathering", ACM IWCMC 2010, June/July 2010, Caen, France.
13. C. Stefanovic, D. Vukobratovic, T. Karabenc, M. Rovcanin, V. Crnojevic, "On Energy Efficiency of Rateless Packet Scheme for Distributed Data Storage in Wireless Sensor Networks", WONS 2010, January 2010, Kranjska Gora, Slovenia.
14. C. Stefanovic, D. Vukobratovic, V. Stankovic, "On Distributed LDGM and LDPC Code design for Networked Systems", IEEE ITW 2009, Taormina, Italy, October 2009.
15. C. Stefanovic, D. Vukobratovic, D. Bajic, L. Stankovic, V. Stankovic, "Blind Time Period Synchronization for LDPC Convolutionally Coded Transmission", EUSIPCO 2009, Glasgow, UK, August 2009.
16. D. Vukobratovic, C. Stefanovic, M. Stojakovic, V. Stankovic, "Raptor Packets: A Packet-Centric Approach to Distributed Raptor Code Design", IEEE ISIT 2009, Seoul, Korea, July 2009.
17. D. Vukobratovic, C. Stefanovic, V. Crnojevic, F. Chiti, R. Fantacci: "A Packet-Centric Approach to Distributed Rateless Coding in Wireless Sensor Networks", IEEE SECON 2009, Rome, Italy, June 2009.
18. C. Stefanovic, B. Antic, V. Minic, D. Vukobratovic, V. Crnojevic, "Integrated System for Remote Environment Monitoring", CIOSTA 2009, Reggio Calabria, Italy, June 2009.
19. C. Stefanovic, D. Vukobratovic, D. Bajic, "Low-Complexity List-Based Frame Synchronization for LDPC Coded Transmission", IEEE ICC 2009, Dresden, Germany, June 2009.

Patenti
Dejan Vukobratovic, Cedomir Stefanovic, Vladimir Crnojevic, Vojin Senk: "Rateless Packet" Scheme for Distributed Rateless Coding in Networked Systems, Int'l Patent Application No. PCT/RS2009/000018, 2009.

Doktorska teza

"Construction and analysis of distributed coding algorithms for data persistence and distributed data storage in wireless ad hoc networks", FTN Novi Sad, 2011

Magistarska teza
"Sinhronizacione sekvence i bifiks analiza", FTN Novi Sad, 2006.

Projekti

• FP7 REGPOT3 "AgroSense - Wireless Sensor Networks and Remote Sensing in Precision Agriculture" (2008-2011)
• COST 2100: "Pervasive Mobile and Ambient Wireless Communications", naucno-istraživacki projekat EU (2007-2011)
• COST 289: "Bandwidth and Power Efficient Broadband Communications", naucno-istraživacki projekat EU (2003-2007)

Biografija

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