Youngwook Ko, Ph.D.


Contact

Research

Management

Publications
   Journals
   Conferences
   Technical reports

Supervision

Professional Activities

 

 

 





Contact

Research Fellow at CCSR
Dept of Electronic Engineering
Faculty of Engineering and Physical Sciences
University of Surrey
Guildford, Surrey, GU2 7XH, U.K.

Email: y (dot) ko (at) surrey (dot) ac (dot) uk
Home page: http://www.ee.surrey.ac.uk/CCSR/profiles?s_id=5953
Phone: +44 (0) 1483 683883
Fax: +44 (0) 1483 686011
Office: BA Building, First Floor, Room 32BA01


Research

My Research Interests

 

Cognition communications

 

Full Duplex Radio Technology

 

Femtocells: Self-Organizing Networking (SON) RRM and interference coordination technique

  Green radio communications
 

Cooperative relay communications

 

Multi-user MIMO wireless communications

 

Adaptive coded modulation (ACM), MIMO technique, and general communications theory

 

 

Research Projects

  DUPLO, supported by EU FP7 ICT project (Nov. 2012 - Apr. 2015)
  Broadband evolved FEMTO Networks - BeFEMTO, supported by EU FP7 ICT project (Jan. 2010 - Jun. 2012)
  Quality of Service and Mobility driven Cognitive Radio Systems - QoSMOS, supported by EU FP7 ICT project (Jan. 2010 - Dec. 2012)
  Intelligent Signal Processing for Ubiquitous, High-Capacity, and Scalable Wireless Networks, supported by NSERC Strategic Grant, Canada (contribution completed between Jun. 2008 - May 2010)
   

Research Grants Experience

 

11/2012        Contributor, Successful bid, EU FP7 research grant proposal  (EUR 3.7m,  UniS value: EUR 0.5m)

 

09/2012        Contributor, Unsuccessful bid, EU FP7 research grant proposal  (EUR 9.7m,  UniS value: EUR 1.2m)

 

09/2011        Principle Investigator (PI), Unsuccessful bid, ERC Starting Grant (EUR 1.19 m = UniS value)

   

Management of Projects & Organizing Committee

 

01/2010 – 12/2012

Project Coordinator (on UniS side), EU-FP7 project, Quality of Service and Mobility driven Cognitive Radio Systems (QoSMOS). Planning, coordinating and implementing research work programme and methodologies as well as meeting the project objectives and deadlines. Managing research activities in collaboration with internal and external colleagues in academia and industry.

 

11/2012-04/2015

Work package Leader, EU-FP7 project, DUPLO. Currently take lead responsibility for planning, coordinating and developing research project, formulating the research programme and methodologies as well as meeting work package objectives and deadlines. Along with project objectives, manage all research activities of the work package in collaboration with internal and external colleagues.

 

04/2013

Technical Program Committee, IEEE 19th European Wireless Conf. 2013, Guildford, UK.

 

10/2012

Technical Program Committee, IEEE VTC 2013-Spring, Dresden, Germany.

 

01/2011

Workshop Track Chair, IEEE VTC 2011-Spring, Budapest, Hungary.

 

01/2010 – 06/2012

Main Contributor, providing innovative energy-efficient solutions in EU-FP7 BeFEMTO project. Planning, identifying and implementing research problems and their solutions in the project have been organized. Often in collaboration with colleagues, coordinated and developed the research programme. Research objectives and deadlines were managed to meet on-time.

 

06/2012

Workshop Chair, Spring Workshop of KSEAUK SIG-Innovation Technology, Swansea, UK.

 

11/2011

TPC, Session chair, The 37th KSEAUK conference, Guildford, UK.

     

Supervision of Research Students

PhD Supervision

04/2012-Present Ms. Lee, (Ph.D., second supervisor)
09/2010-Present

Mr. Zahir, (Ph.D., second supervisor)

01/2011-08/2011

Ms. Kalhoro, (Ph.D. withdrawn, due to health condition, second supervisor)

MSc Supervision

11/2011-08/2012

C. Acolatse, (MSc degree awarded, second supervisor)

11/2010-08/2011

M. G. Davood, (MSc degree awarded, second supervisor)

11/2010-08/2011

M. A. Hakeem, (MSc degree awarded, second supervisor)


Membership of Societies & Professional Experience

 

Member of IEEE since 2007, and Student Member of IEEE between 2002 and 2006..

  Member of the Korean Scientists Engineers Association in the UK (KSEAUK) since 2010.
 

Leader of SIG-IT, in the KSEAUK since 2011.

 

Active reviewer for a variety of IEEE and EURASIP journals and conferences since 2002: IEEE Trans. on Communications, Wireless Communications, Signal Processing, Vehicular Technology, EURASIP Journal on Applied Signal Processing, Wireless Communications and Networking, ICC, Globecom, VTC, and others.

   

Invited Talks & Seminars (selected)

 

11/2012

EU-Korea R&D Collaborations, in Korea Evaluation Institute of Industrial Technol., UK

 

10/2011

Energy efficient multiuser communications, in Europe-Korea Conference (EKC), Paris, France.

 

02/2008

Sch. Of Information and Commun., Gwangju Institute of Science and Technology, South Korea
 

09/2007

Dept. of Information and Communication Engineering, Yeungnam University, South Korea

Publications

Ph.D. Dissertation

 

Adaptive Modulation and Coding Techniques for MIMO Wireless Systems, Department of Electrical Engineering, Arizona State University, Tempe, AZ., Dec. 2006.

 

International Journal

9

Y. Ko, and K. Moessner, ``Maximum outage capacity in dense indoor femtocell networks with joint energy and spectrum utilization'', IEEE Trans. on Wireless Commun., published, Oct. 2012. [DOI]

8

Y. Ko, A. Quddus, and R. Tafazolli, ``Random multiuser coordination in a small cells network achieving maximum cell spectral efficiency'', IEEE Trans. on Wireless Commun., submitted Jun. 2013.

6

Y. Ko, M. Ardakani, and S. A. Vorobyov, "Power allocation strategies across N orthogonal channels at both source and relay", IEEE Trans. on Commun., vol. 60, no. 6, pp. 1469-1473, Jun. 2012. [DOI]

7

A. Quddus, T. Guo, M. Shariat, B. Hunt, A. Imran, Y. Ko, and R. Tafazolli, "Next Generation Femtocells: An Enabler for High Efficiency Multimedia Transmission", IEEE ComSoc MMTC E-Letter, vol. 5, no. 5, pp. 27-31, Sep. 2010.

5

Y. Ko, S. A. Vorobyov, and M. Ardakani,  "How much multiuser diversity is required in energy limited multiuser systems? ", IEEE Trans. on Signal Processing, vol. 58, no. 8, pp. 4367-4378, Aug. 2010. [DOI]

4

Y. Ko, and C. Tepedelenlioglu, "Distributed closed-loop spatial multiplexing for uplink multiuser systems", IEEE Trans. on Wireless Commun., vol. 7, no. 2, pp.470-474, Feb. 2008. [DOI]

3

Y. Ko, and C. Tepedelenlioglu, "Threshold-based substream selection for closed-loop spatial multiplexing", IEEE Trans. on Vehicular Tech. vol. 57, Issue 1, pp.215-226, Jan. 2008. [DOI]

2

Y. Ko, Q. Ma and C. Tepedelenlioglu, "Comparison of adaptive beamforming and orthogonal STBC with outdated feedback", IEEE Trans. on Wireless Commun. vol. 6, issue 1, pp. 20-25, Jan. 2007. [DOI]

1

Y. Ko and C. Tepedelenlioglu, "Orthogonal space-time block coded rate-adaptive modulation with outdated feedbasck", IEEE Trans. on Wireless Commun. vol. 5, no. 2, pp. 290-295, Feb. 2006. [DOI]

 

International Conference

16

A. Kliks, J. Nasreddine and F. Li, A. Zalonis, N. Dimitriou, and Y. Ko, ``Interference Management in heterogeneous wireless networks based on context information''IEEE, 9th International Symposium on Wireless Communication Systems (ISWCS 2012), Paris, France, Aug. 2012

15

D. Godarzi, K. Arshad, Y. Ko, and K. Moessner, ``Selecting users in energy-efficient collaborative spectrum sensing'', IEEE, Wireless Commun. and Networking Conference. WCNC`12, Paris, France, Apr. 2012

14

T. Zahir, K. Arshad, Y. Ko, and K. Moessner, ``A downlink power control scheme for interference avoidance in femtocells'', IEEE, the 7th Int. Wireless Commun. and Mobile Comp. IWCMC`11, Istanbul, Turkey, Jul. 2011, pp. 1222-1226

13

Y. Ko, M. Ardakani, and S. Vorobyov, "Power allocation strategies across N orthogonal channels for single-relay networks at both source and relay", IEEE, the 17th Int. Conf. on Telecommun. ICT'10, Wireless Commun. Track, Doha, Qatar, Apr. 2010, pp.481-486. (the Best Paper Award nomination)

12

Y. Ko, S. Vorobyov, and M. Ardakani, "Spectrum efficient cooperative relaying based on outage-multiplexing tradeoff analysis", IEEE, the 43th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove CA, Nov. 2009, pp. 1513-1517.

11

Y. Ko, S. Vorobyov, and M. Ardakani, "How much multiuser diversity is required over large-scale fading", IEEE, Intl. Conf. on Commun., ICC'09, Dresden, Germany, Jun. 2009, pp. 1-5.

10

Y. Ko and C. Tepedelenlioglu, "Impact of the number of users on error probabilities in multiuser diversity systems", Conf. on Info. and System Sciences, IEEE, Mar. 2007, pp. 566-569.

9

Y. Ko and C. Tepedelenlioglu, "Distributed Spatial Multiplexing for Uplink Multiuser Systems", Global Telecommunications Conference, IEEE, San Fransisco, CA, Dec. 2006, pp. 1-5.

8

Y. Ko and C. Tepedelenlioglu, "Rate Control using Antenna Selection for Closed-Loop Spatial Multiplexing", Global Telecommunications Conference, IEEE, ST. Louis, MO, vol. 6, Nov. 2005, pp. 3608-3612

7

Y. Ko and C. Tepedelenlioglu, "Threshold-Based Substream Selection Combining for Adaptive Spatial Multiplexing", IEEE International Workshop on Signal Processing Advances in Wireless Commun., pp. 700-704, New Yrok, NA, Jun. 2005

6

Y. Ko and C. Tepedelenlioglu, "Comparison of Adaptive Beamforming and Adaptive OSTBC with Outdated Feedback", Proc. of the 38th Asilomar Conf. on Signals, Systems, and Computers, Vol. 1, pp. 1232-1236, Pacific Grove, CA, Nov. 2004

5

Y. Ko and C. Tepedelenlioglu, "Optimal switching thresholds for space-time block coded rate-adaptive M-QAM", IEEE International Conf. on Acoustics, Speech, and Signal Proc., vol. 4, pp. 477-480, Montreal, Quebec, Canada, May 17-21, 2004

4

Y. Ko and C. Tepedelenlioglu, "Space-time block coded rate-adaptive modulation with uncertain SNR feedback", Proc. of the 37th Asilomar Conf. on Signals, Systems, and Computers, vol. 1, pp. 1032-1036, Pacific Grove, CA, Nov. 9-12, 2003

3

A. Spanias, V. Atti, Y. Song, C. Panayiotou, and Y. Ko, "On the use of J-DSP for on-line laboratories in linear systems courses", Proc. of the 37th Asilomar Conf. on Signals, Systems, and Computers, vol. 2, pp. 1375-1379, Pacific Grove, CA, Nov. 9-12, 2003

2

Y. Ko, T. M. Duman, and A. Spanias, "On-line laboratory for communication systems using J-DSP", Proc. of the 33rd ASEE/IEEE Frontiers in Education Conference, pp. T3E-13 - T3E-18, Boulder, CO, Nov. 5-7, 2003.

1

Spanias, A., Ko, Y. et al, "On-line laboratories for speech and image processing and for communication systems using J-DSP", Proc. IEEE 2nd Signal Processing Education workshop, pp. 174-179, Pine Mountain, GA, Oct. 2002.

 

Technical reports (selected)

1

D2.2, ``The BeFEMTO System Architecture’’, EU FP7-ICT BeFEMTO project, at http://www.ict-befemto.eu/, Dec. 2011.

2

D4.3, ``Multi-cell RRM and self-optimization for networked, fixed relay, and mobile femtocells’’, EU FP7-ICT BeFEMTO project, at http://www.ict-befemto.eu/, Dec. 2011.

4

D4.1, ``Promising SON enabling and multi-cell RRM techniques for networked femtocells’’, EU FP7-ICT BeFEMTO project, at http://www.ict-befemto.eu/, Dec. 2010

5

D6.5, ``Specification of cognitive and opportunistic functions of the spectrum management framework’’, EU FP7-ICT QoSMOS project, at http://www.ict-qosmos.eu, Jun. 2012.

6

D4.4, ``Integrated SON techniques for femtocells radio access’’, EU FP7-ICT BeFEMTO project, at http://www.ict-befemto.eu/, Jun. 2012.

7

D6.4, ``Flexibility, robustness and cognition’’, EU FP7-ICT QoSMOS project, at http://www.ict-qosmos.eu, May 2012.

8

D2.3, ``The BeFEMTO System Concept and its performance’’, EU FP7-ICT BeFEMTO project, at http://www.ict-befemto.eu/, Jun. 2012