IMG_3733

 

Cristian Anghel obtained a B. Sc. in 2003, a M. Sc. in 2004 and a Ph. D. in 2010, all in Electronics and Telecommunications area, from Politehnica University of Bucharest.

After 7 years spent at Redline Communications Canada and 11 years already dedicated to Pentalog France, acting along the time as VHDL programmer, System Senior Engineer, Technical Leader, Physical Layer Team Leader, Customer Support Product Manager, Project Director, and Delivery Center Manager, Cristian ANGHEL has the privilege to remain connected to the latest Wireless Telecommunications technologies. Moreover, in these 18 years Cristian ANGHEL started and continued in parallel the academic activity, being part of Telecommunications Department inside Politehnica University of Bucharest.

 

The fields of interest for Cristian ANGHEL include:

·         Efficient VHDL implementations for FPGAs

·         Wireless telecommunications systems (GSM, GPRS, EDGE, UMTS, HSPA, WiMAX, LTE, LTE-AP)

·         Digital audio signal processing, including adaptive algorithms

·         Neural Networks

 

Academic activity:
  2003 – now: Teaching Assistant/ Lecturer/ Assistant Professor for Politehnica University of Bucharest, Romania
          

1. Teaching the following course for one Bachelor direction:

·         Antennas and Propagation
          

2. Teaching the following courses for several Master directions (one in English)

·         Hardware Description Language and FPGA Implementation Methodology

·         Advanced Techniques for Digital Signal Processing

·         Advanced Techniques In Wireless Communications

·         Propagation, antennas and diversity

·         Characterization and modeling of mobile radio channels

Industrial activity:
  - 2003 - 2010 VHDL programmer/ System Senor Engineer at Redline Communications Canada
      - Mainly working at Physical Layer for WiMAX base stations (FPGA implementation of CTC turbo decoder, OBSAI interface, MicroTCA management board with I2C, UART, MDIO, SPI interfaces and GPS based synchronization algorithm, etc)


  - 2010 - 2014 Technical Expert/ Team Leader at Pentalog Ausy France for ST Ericsson
      - Mainly working at Physical Layer for UMTS/ HSPA mobile equipment (DSP implementation of PHY connected mode state, with compressed mode, transmit power control algorithm, etc)


  - 2014 - 2015 Customer Product Manager at Pentalog Ausy France for ST Ericsson
      - Mainly managing the Project between ST Ercisson and its clients (Huawei, Sierra Wireless, SagemCom, Telit)


  - 2014 – 2017 Project Director at Pentalog France
      - Mainly handling projects from commercial phase until the final delivery

 

  - 2017 – now Delivery Center Manager at Pentalog France
      - Responsible for Bucharest Agency of Pentalog

 

Google scholar citations

https://scholar.google.com/citations?user=qGUzDT8AAAAJ

 

Contact:

Email: canghel@comm.pub.ro  

Tel./fax: + 40 21 4024815

Room B102

Telecommunications Department

Faculty of Electronics, Telecommunications, and Information Technology

University Politehnica of Bucharest

1-3, Iuliu Maniu Blvd., 061071, Bucharest, ROMANIA

 

 

 

 

 

BOOKS

1.      C. Anghel and C. Stanciu, Turbo Codes in Wireless Communications – FPGA Implementation, Printech, ISBN 978-606-23-0812-2, Bucharest, Romania, 2018.

 

2.      C. Anghel, C. Stanciu, and C. Paleologu, Field Programmable Gate Array – Chapter 2 – Efficient FPGA implementation of a CTC turbo decoder for WiMAX/ LTE mobile systems, Intech, book edited by George Dekoulis, ISBN  978-953-51-3208-0, Published: May 31, 2017 (pp. 25 – 55), https://www.intechopen.com/books/field-programmable-gate-array/efficient-fpga-implementation-of-a-ctc-turbo-decoder-for-wimax-lte-mobile-systems [last accessed Oct. 2019].

  1. C. Anghel and C. Stanciu, (in Romanian), Hardware Description Languages and  FPGA Programming, Printech, ISBN 978-606-23-0577-2 CNCS (code 54), Bucharest, Romania, 2016.

 

  1. C. Anghel, Remus Cacoveanu, “Advanced Transmissions Techniques in WiMAX” – Chapter 5 “MicroTCA Compliant WiMAX BS Split Architecture with MIMO Capabilities Support Based on OBSAI RP3-01 Interface”, Publisher InTech, ISBN 978-953-307-965-3, pp. 77-102, 2011.

 

PUBLISHED DIDACTIC BOOKS

1.       C. Anghel, A. A. Enescu, „Integrated systems for signal processing – Applications”, Publisher Electronica 2000, ISBN 978-973-7860-10-1, 97 pages, 2009.

2. Cristian Anghel, “Limbaje de descriere hardware si metodologia proiectarii FPGA. Indrumar de laborator”, Editura Printech, ISBN 978-606-23-1123-0, 81 pagini, 2020

JOURNAL  PAPERS

1.      I.-D. Fîciu, C.L. Stanciu, C. Anghel, and C. Elisei-Iliescu, “Low-Complexity Recursive Least-Squares Adaptive Algorithm Based on Tensorial Forms,” Applied Sciences, vol. 11(18), p. 8656, September 2021 – ISI Q2.

2.      C. Elisei-Iliescu, C. Paleologu, J. Benesty, C. Stanciu, C. Anghel, and S. Ciochină, “Recursive least-squares algorithms for the identification of low-rank systems,” IEEE/ACM Trans. Audio, Speech, Language Processing, vol. 27, pp. 903–918, May 2019 –  ISI Q1.

3.      C. Elisei-Iliescu, C. Stanciu, C. Paleologu, J. Benesty, C. Anghel, and S. Ciochină, “Efficient recursive least-squares algorithms for the identification of bilinear forms,” Digital Signal Processing, vol. 83, pp.  280-296, Dec. 2018 – ISI Q2.

4.      C. Anghel, C. Stanciu, and C. Paleologu, “Novel parallel CTC turbo decoder architecture for LTE systems,”University Politehnica of  Bucharest Scientific Bulletin, Series C, Vol. 79, Iss. 1, 2017, ISSN 2286-3540.

5.      C. Elisei-Iliescu, C. Paleologu, C. Stanciu, C. Anghel, S. Ciochina, and J. Benesty, „A Practical Overview of Recursive Least-Squares Algorithms for Echo Cancellation”, International Journal On Advances in Telecommunications, volume 10, numbers 3 and 4, pp. 96-104 (8 pages), 2017.

6.      R. Mihăescu, C. Stanciu, C. Anghel, and L. Stanciu, “Insight on a Low Cost Recursive Least-Squares Algorithm for Adaptive Noise Cancellation”, International Journal On Advances in Systems and Measurements, volume 10, numbers 3 and 4, pp. 150-157 (8 pages), 2017.

7.      C. Anghel, C. Stanciu, and C. Paleologu, “LTE turbo decoding parallel architecture with single interleaver implemented on FPGA,” Circuits, Systems & Signal Processing, 21 pages, http://link.springer.com/article/10.1007/s00034-016-0362-z, first online 18 July, 2016, ISSN: 0278-081X (print version), ISSN: 1531-5878 (electronic version), volume 36 Issue 4, April 2017, Pages 1455-1475, DOI: 10.1007/s00034-016-0362-z  – ISI Q2.

8.      C. Stanciu, C. Anghel and C. Paleologu, “Efficient recursive implementation of a quadratic permutation polynomial interleaver for LTE systems,” Revue Roumaine des Sciences Techniques – Serie Electrotechnique et Energetique, Vol.  61, 1, pp. 53–57, Bucharest, 2016.

9.      C. Anghel, C. Stanciu and C. Paleologu, “Efficient field programmable gate array implementation of a convolutional turbo code for long term evolution systems,” Revue Roumaine des Sciences Techniques – Serie Electrotechnique et Energetique, vol. 60, no. 2, pp. 163-173, 2015.

10.  C. Anghel, R. Cacoveanu, “OBSAI RP3-01 Interface Implemented on FPGA”,   Scientific Bulletin Politehnica University of Bucharest, Series C, Vol. 72, Iss. 4, 2010, ISSN 1454-234x, pp. 125-136.

11.  C. Anghel, R. Cacoveanu, “A digital method for obtaining high accurate clock reference using GPS-disciplined VCXO”, Scientific Bulletin Politehnica University of Timisoara, Tom 53(67), Fascicola 2, 2008, pp. 113-117.

12.  C. Anghel, A. Andronache, “A controlled NLMS algorithm for echo cancellation, implemented on MOTOROLA STARCORE SC140 DSP”, Revue Roumaine, Sci. Techn.– Électrotechn. et  Énerg.,  vol. 47, no. 4, 2002.

 

CONFERENCE  PAPERS

1.      I.-D. Ficiu, C. Stanciu, C. Anghel, C. Paleologu, and L. Stanciu, “Combinations of Adaptive Filters within the Multilinear Forms”, in Proc. International Symposium on Signals, Circuits and Systems (ISSCS), 15-16 July, 2021.

2.      C. Elisei-Iliescu, C. Paleologu, J. Benesty, C. Stanciu, and C. Anghel, “A Regularized RLS Algorithm for the Identification of Third-Order Tensors,” in 14th International Symposium on Electronics and Telecommunications ISETC, 5-6 November, 2020, (4 pages).

3.      C. Elisei-Iliescu, C. Paleologu, J. Benesty, C. Stanciu, C. Anghel, and S. Ciochină, “A Decomposition-Based RLS Algorithm with Variable Forgetting Factors”, in The 13th International Conference on Communications (COMM), 18-20 June, 2020 (6 pages).

4.      C. Dragoi, C. Anghel, C. Stanciu, and C. Paleologu, “Efficient FPGA Implementation of Classic Audio Effects”, in the 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 1-3 July, 2021.

5.      C. Anghel,  C. Stanciu, and C. Paleologu, “A practical controlled NLMS algorithm for network echo cancellation”, in the IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom), 24-28 May, 2021.

6.      A. Crisan, C. Anghel, and R. Cacoveanu, “A Novel Synchronization Algorithm for Hybrid Inter-Satellite Link Establishment”, in Proc. The Fifteenth Advanced International Conference on Telecommunications AICT, 2019 (5 pages),  Nice, France.

  1. C. Elisei-Iliescu, C. Paleologu, J. Benesty, C. Stanciu, C. Anghel, and S. Ciochina, “Regularized recursive least-squares algorithms for the identification of bilinear forms,” in Proc. IEEE International Symposium on Electronics and Telecommunications (ISETC), 2018 (4 pages), Timisoara, Romania.
  2. C. Elisei-Iliescu, C. Stanciu, C. Paleologu, J. Benesty, C. Anghel, and S. Ciochina, “Low-complexity RLS algorithms for the identification of bilinear forms,” in Proc. EUSIPCO, 2018, pp. 455-459, Rome, Italy.
  3. C. Paleologu, J. Benesty, C. Elisei-Iliescu, C. Stanciu, C. Anghel, and S. Ciochina, “A proportionate NLMS algorithm for the identification of sparse bilinear forms,” in Proc. IEEE TSP, 2018, pp. 698-701, Athens, Greece.
  4. C. Stanciu, C. Anghel, M. Udrea, and L. Stanciu, “Variable-Regularized Low Complexity RLS Algorithm for Stereophonic Acoustic Echo Cancellation,” in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), July 13-14, 2017 (4 pages), Iasi, Romania.
  5. C. Elisei-Iliescu, C. Stanciu, C. Paleologu, J. Benesty, C. Anghel, and S. Ciochină, “Robust variable-regularized RLS algorithms,” The Fifth Joint Workshop on Hands-free Speech Communication and Microphone Arrays, March 1-3, 2017, San Francisco, USA.
  6. I. Albu, C. Anghel, and C. Paleologu, “Adaptive filtering in acoustic echo cancellation systems — A practical overview,” in Proc. IEEE International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 2017 (4 pages), Ploiesti, Romania.
  7. C. Stanciu, M. Udrea, C. Anghel, R. A. Dobre, “Improved Regularization for a Low‐Complexity RLS Algorithm,” in Proc. 24th Telecommunications Forum (TELFOR) 2016, Belgrad, Serbia.
  8. C. Stanciu, C. Anghel, C. Paleologu, S. Ciochina, and J. Benesty, “FPGA implementation of an optimized NLMS algorithm,” in Proc. IEEE International Symposium on Electronics and Telecommunications (ISETC), 2016 (4 pages), Timisoara, Romania.

15.  C. Paleologu, J. Benesty, C. Stanciu, C. Anghel, and M. Stenta, , “Robust regularization of the recursive least-squares algorithm,” in Proc. IEEE International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 2016 (4 pages), Ploiesti, Romania. *Invited Paper*

16.  C. Stanciu, C. Anghel, C. Paleologu, S. Ciochina, and J. Benesty, “On the numerical properties of an optimized NLMS algorithm,” in Proc. IEEE International Conference COMMUNICATIONS (COMM), 2016, Bucharest, Romania, to appear.

17.  C. Anghel, C. Paleologu, “Simplified Parallel Architecture for LTE-A Turbo Decoder Implemented on FPGA,” in Proc. of the 9th International conference on Circuit, Systems, Signal and Telecommunications (CCST 2015), pp. 102-111, Dubai.

18.  C. Stanciu, C. Anghel and L. Stanciu, “ Efficient FPGA Implementation of the DCD-RLS Algorithm for Stereo Acoustic Echo Cancellation,” in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2015 (4 pages), Romania.

19.  L. Stanciu, V. Stanciu, C. Anghel, , “Grouped B-Spline Functions for the Design of Quadrature Mirror Filters,” in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2015 (4 pages), Iasi, Romania.

20.  C. Anghel, C. Paleologu, ”2G Ultra Low Cost Mobile Phone Positioning without GPS,” IARIA AICT 2015, Bruxelles, Belgium, pp. 53-56.

21.  C. Anghel, C. Paleologu, and C. Stanciu, “Performances evaluation of CTC turbo decoder for LTE systems,” in Proc. IEEE International Symposium ELMAR, 2015, pp. 89-92, Zadar, Croatia.

22.  C. Anghel, C. Stanciu, and C. Paleologu, “Sorting methods used in parallel turbo decoding for LTE systems,” in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2015 (4 pages), Iasi, Romania.

23.  S. Ciochina, C. Paleologu, J. Benesty, and C. Anghel, “An optimized affine projection algorithm for acoustic echo cancellation,” in Proc. IEEE International Conference on Speech Technology and Human-Computer Dialogue (SpeD), 2015, pp. 159-164, Bucharest, Romania.

24.  C. Stanciu and C. Anghel, “Numerical Properties of the DCD-RLS Algorithm for Stereophonic Acoustic Echo Cancellation,” in Proc. IEEE International Conference COMMUNICATIONS (COMM), 2014, pp. 65-68, Bucharest, Romania.

25.  C. Anghel, V. Stanciu, C. Stanciu, and C. Paleologu, “CTC turbo decoding architecture for LTE systems implemented on FPGA,” in Proc. International Conference on Networks (ICN), 2012, pp. 199-204, St. Gilles, Reunion Island.

26.  C. Stanciu, C. Anghel, C. Paleologu, J. Benesty, F. Albu, and S. Ciochina, “Fpga implementation of an efficient proportionate affine projection algorithm for echo cancellation,” in Proc. European Signal Processing Conference (EUSIPCO), 2011, pp. 1284-1288, Barcelona, Spain.

27.  C. Stanciu, C. Anghel, C. Paleologu, J. Benesty, F. Albu, and S. Ciochina, “A proportionate affine projection algorithm using dichotomous coordinate descent iterations,” in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2011, pp. 343-346, Iasi, Romania.

28.  Pirnog, C. Anghel, A. A. Enescu, C. Paleologu, “Evaluation of Fast Algorithms for Motion Estimation”, in Proc. Advanced International Conference on Telecommunications (AICT), pp. 107-111, St. Maarten, 2011.

29.  C. Anghel, C. Paleologu, J. Benesty, S. Ciochină, “FPGA Implementation of a Variable Step-Size Affine Projection Algorithm for Acoustic Echo Cancellation”, in Proc. European Signal Processing Conference (EUSIPCO), 2010, pp 532-536, Aalborg, Denmark.

30.  A. Andreescu, A. Ghita, A. A. Enescu, C. Anghel, “Long Term Evolution Primary Synchronization Algorithms”, in Proc. IEEE International Symposium on Electronics and Telecommunications (ISETC), 2010, pp. 125-128, Timisoara, Romania.

31.  M. Bartis, V. Mocanu, A. A. Enescu, C. Anghel, “Achieving Secondary Synchronization for Downlink in the Long Term Evolution Standard”, in Proc. IEEE International Symposium on Electronics and Telecommunications (ISETC), 2010, pp. 129-132, Timisoara, Romania.

32.  C. Anghel, A. A. Enescu, C. Paleologu, S. Ciochină, “CTC Turbo Decoding Architecture for H-ARQ Capable WiMAX Systems Implemented on FPGA”, in Proc. International Conference on Networks (ICN), pp. 65-70, Menuires, Franţa, 2010.

33.  C. Anghel, C. Paleologu, J. Benesty, S. Ciochină, “FPGA Implementation of an Acoustic Echo Canceller Using a VSS-NLMS Algorithm”, in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2009, pp. 369-372, Iasi, Romania.

34.  C. Anghel, R. Cacoveanu, “BS split architecture with MIMO capabilities support based on OBSAI RP3-01 Interface”, in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2009, pp. 271-274, Iasi, Romania.

35.  A. Nedelcu, R. Lupoaie, A. A. Enescu, C. Anghel, C. Paleologu, “Spatial Multiplexing Turbo Receiver with Reduced Complexity”, Proc. SENSORCOMM, 2009, pp. 490-495, Atena, Grecia.

36.  V. Mocanu, C. Anghel, A. A. Enescu, “FPGA Implementation of a Digital Front End Block for a Multi-Carrier Multi-Antenna System”, in Proc. of International Semiconductors Conference (CAS), 2009, pp. 431-434, Sinaia, Romania.

37.  A. Nedelcu, A. A. Enescu, C. Anghel, “An overview of soft-output sphere decoders with constant throughput”, in Proc. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2009, pp. 109-112, Iasi, Romania.

38.  C. Anghel, A. A. Enescu, R. Cacoveanu, “VLSI turbo decoder with H-ARQ capability for WiMAX”, in Proc. of International Conference Communications, 2008, pp. 301-304, Bucharest, Romania.

39.  C. Anghel, A. A. Enescu s.a. , “FPGA implementation of a CTC Decoder for H-ARQ compliant WiMAX systems”, in Proc. of International Conference on Design & Technology of Integrated Systems (DTIS), 2007, pp. 82-86, Morocco.

40.  S. Ciochina, C. Anghel, A. A. Enescu, “Sub-optimal solutions to code synthesis for space-time diversity”, in Proc. of International Conference (SCS), 2003, pp. 53-56, Iasi, Romania.

41.  A. Andronache, C. Anghel, ”A novel adaptation scheme in the NLMS algorithm for digital network echo canceller implemented on MOTOROLA STARCORE SC140 DSP”, in Proc. of International Conference Communications, 2002 (4 pages), Bucharest, Romania.

 

Research grants:

·         “Contributions to the implementation of MIMO channel-based communications systems”, CNCSIS, type Td, code CNCSIS TD 1, 2008-2009 (manager).

·         „Efficient solutions for parallel turbo decoder implementation for LTE systems”, Sectoral Operational Program Human Resources Development 2007-2013 of the Ministry of European Funds through the Financial Agreement POSDRU/159/1.5/S/134398 (manager).

·         “Proiectarea si dezvoltarea unui echipament 4G cu antene multiple dedicat conectarii la internet a autoturismelor”, Grant UPB Nr. 99/26.11.2016, cod proiect 533. (manager).

http://www.old.upb.ro/anunturi-interne-cercetare.html

http://www.old.upb.ro/files/evenimente/cercetare/2016/Rezultate_finale_grant

uri_UPB.pdf

·         European Space Agency through the contract “Hybrid - Inter Satellite Link” with the number 4000121222/17/NL/CBi, subcontracted by UPB through the contract 18/05.10.2017. (manager).

 

 

·         European project “ATHENA- Digital Switchover: Developing Infrastructures for Broadband Access”, STREP (FP6), nr FP6-507312 (team member).

·         European project "ENTHRONE" (IP-507637), FP5, "End-to-End QoS through Integrated Management of Content, Networks and Terminals", 2004-2006, (team member).

·         “Noi algoritmi bazati pe descompunere pentru identificarea sistemelor rare [D.A.T.S.I.] “, TE 144 din 19/10/2020, (PN-III-P1-1.1-TE-2019-0529), 2020-2022, (team member)  .http://www.comm.pub.ro/dasti/

·         “Soluţii robuste pentru suprimarea adaptivă a interferenţelor” – Robust Solutions for Adaptive Suppression of Interference, Contract UEFISCSU, PN-II-PCE-Idei, 2007-2010 (team member).

·         “Soluţii de creştere a eficienţei spectrale în sistemele de comunicaţii OFDM" – Solutions for Increasing the Spectral Efficiency in OFDM Based Communication Systems, Grant CNCSIS, type A, 2006-2008 (team member).

·         “Novel adaptive algorithms with fast convergence”, UEFISCDI, type PN-II-RU-TE, nr. 7/2010, code TE-50, 2010-2013 (team member).

·         „Solutions for increasing the performance of multi-channel acoustic echo canceller. Applications in conference systems,” CNCSIS, type AT, code 15, 2007-2008 (team member).

·         „Contributions to increase the performance of acoustic echo cancellers used in communication systems with hands-free,” MEC-UEFISCSU, type CEEX-ET, code 17, 2006-2008 (team member).

·         „Novel adaptive receivers for communications systems with code division multiple access,” type CEEX-ET, code 53, 2006-2008 (team member).

·         „Novel adaptive algorithms appropriate for finite precision implementation. Applications in communication networks,” CNCSIS, type AT, 2004-2005 (team member).

·         "Resonant phenomena in selective structures for signal processing in 0.1-18 GHz bandwidth", CERES C3/2003, 2003-2005 (team member).

·         "The usage of multiple coupling phenomena for signal processing in UMTS systems", CERES C4/2004, 2004-2006 (team member).

·         “Research and development for miniature selective radiating structures used in 3G mobile communications”, CNCSIS, nr. 27692/14.03.2005, code CNCSIS 335/2005, 2005-2007 (team member).