Thanasis Karachalios, Ph.D. Student
Electronics Lab,
Physics Bldg. IV,
Department of Physics,
Panepistimiopolis,
157-84 Athens
akarachalios(at)phys.uoa.gr
About
Thanasis Karachalios received his B.Sc. in Physics at the National and Kapodistrian University of Athens in 2005. His Bachelor's Thesis was "Digital Signal Processing using Optimized Algorithms for Texas Instruments Microprocessors (DSPs)". He received his M.Sc. in Electronics and Automation at the National and Kapodistrian University of Athens in 2008. His Master's Thesis was "Research and Development of Low-power and Area-Efficient Implementation of components for WiMAX (IEEE 802.16e) Physical Layer". He is currently a Ph.D. candidate in Physics Department NKUA with thesis subject: "Real-Time Processing Architectures for Telecommunications Physical Layer".
Research Interests
- Computational Models and Algorithms for Parallel Digital Signal Processing
- Embedded and Real-Time Systems
- VLSI and FPGA Design for Digital Signal Processing
Experience
- Hardware Development (VHDL/Verilog) for ASIC/FPGA implementations
- Development of bit-accurate software models for complex DSP applications in hardware
- Algorithmic Modeling using MATALAB / GNU Octave
- Hardware/Software CoDesign for Embedded Systems
- Software Development with all major computer languages, incuding: C, C++, JAVA, BASIC, PASCAL, FORTRAN, PROLOG
- Embedded Software Development for DSP Applications (TI CodeComposer Studio)
- Software Development for Database Applications (SQL, JDBC, Hibernate)
- Distributed Application Development in MPI enviroment (MPICH)
- Software Development using Web Services (AXIS, JAX-WS)
- System administration in UNIX-like Operating Systems (Linux, FreeBSD)
Publications
- Nikitopoulos, K.; Karachalios, A.; Reisis, D., "Exact Max-Log MAP Soft-Output Sphere Decoding via Approximate Schnorr-Euchner Enumeration", Vehicular Technology, IEEE Transactions on , Volume:64 , Issue: 6, June 2015.
- M. Rovini, S. Saponara, L. Fanucci, A. Karachalios, G. Lentaris, D. Reisis, "Design and comparison of FFT VLSI architectures for SoC telecom applications with different flexibility, speed and complexity trade-offs", Circuits, Systems, and Signal Processing, Springer Birkhauser Boston, Vol.31, No2, pp627-649, July 2011
- D. Diamantopoulos, P. Galiatsatos, A. Karachalios, G. Lentaris, D. Reisis, D. Soudris, "Configurable Baseband Digital Transceiver for Gbps Wireless 60 GHz Communications", Electronics Circuits and Systems, 18th IEEE International Conference on, pp. 192-195, Beirut Lebanon, December 2011.
- H. Alnuweiri, A. Karachalios, K. Nakos, D. Reisis, "A new FFT Architecture for 4x4 MIMO-OFDMA Systems with Variable Symbol Lengths ", Innovations in Information Technology, 2009. IIT '09. International Conference on, pp. 80-84, Al Ain, United Arab Emirates, December 2009