Lingfen Sun
Profiles

Lingfen Sun

Associate Professor (Reader) in Multimedia Comms and Networks

School of Computing, Electronics and Mathematics (Faculty of Science and Engineering)

Role

Reader (Associate Professor) in Multimedia Communications and Networks, School of Computing, Electronics and Mathematics.

Module leaders for NET303/NET502 (Multimedia Networking) and NET301/NET501 (Advanced Routing and Switching). Lecturer for NET105 (Introduction to Computer Systems and Networks. 

Placement/Industry Coordinator for Computing in the School.


Principal Investigator for H2020-MSCA-ITN-2014, QoE-NET (innovative Quality Of Experience maNagement in Emerging mulTimedia services) (2015-2018), find out news release here .

Scientific Manager and Principal Investigator for the EU FP7 GERYON project (2011 - 2014).

Director of Studies/Supervisors for 8 PhD students.

 

Qualifications

PhD in Computing and Communications

"Speech Quality Prediction for Voice over Internet Protocol Networks"

University of Plymouth, April 2004.

Professional membership

Member of IEEE

Roles on external bodies

Symposium Co-Chair for Communication Software, Services and Multimedia Applications (CSSMA) for IEEE ICC 2014 , 10 - 14 June, 2014, Syndey, Australia.

Award Board Member for IEEE MMTC (2012- 2014).

Chair of Quality of Experience Interest Group (QoEIG), Multimedia Communications Technical Committee (MMTC), IEEE Communication Society, 2010 – 2012 

Publicity Co-Chair of IEEE ICME 2011

Post & Demo Co-Chair of IEEE Globecom 2010.

Associate Editor (AE) for IEEE Transactions on Multimedia (2016 - 2018).


Reviewer for journals:
- IEEE Transactions on Multimedia (TMM)
- IEEE Transactions on Wireless Communications
- IEEE Journal on Selected Areas in Communications   (JSAC)
- IEEE Transactions on Audio, Speech and Language Processing
- IEEE Transactions on Network and Service Management
- IEEE Communications Letters
- IET Electronics Letters
- ACM Computing Surveys
- Journal of Audio Engineering Society (JAES)
- Elsevier Computer Networks
- Acta Acustica united with Acustica
- Speech Communication
- Multimedia Systems

Book proposal review:
- IET
- John Wiley & Sons 

Grant/proposal review:
- EPSRC, Royal Society, British Council, UK
- NSERC, Canada

PhD examination
- University of Surrey

 

Teaching interests

Computer Networks
Distributed Processing
Multimedia Communications and Networking
Voice and Video over IP  

Research interests

Multimedia networks (e.g. VoIP, adaptive video streaming)

Mobile networks (e.g. resource allocation and mobility management)

QoE modelling and management for multimedia services 

SDN/NFV (e.g. network architecture, intelligent control/routing)

Applications of AI in communications and networking

Multimedia services in emergency communications

Multimedia applications for eHealthcare

Research degrees awarded to supervised students

Current PhD students:

DoS, Mr. Alcardo Barakabitze (PhD on Intelligent QoE control and management) 
DoS, Mr. Avsar Asan (PhD on QoE Business Models)
DoS, Mr. Li, Liu (PhD on QoE-driven mobility management for mobile/wireless networks)
Second supervisor, Mr.  Federico Da Rold (PhD on cognitive robotics)
Second supervisor, Mr. Ali Al-nuaimi, Development and applications of robust speech recognition methods
Second supervisor, Ms Shaymaa Aljuboori (PhD on Enhancement of High Dynamic Range Images Rendering by Adaptive Local Contrast) 
Second supervisor, Ms Opeoluwa Balogun (PhD on secure eHealthcare schemes over Cloud)
Third supervisor, Mr. Mohd Bin Md. Khambari (PhD on video wireless transmission)


PhD Completions:
2016, DoS, Dr. Ali Alfayly (PhD on QoE-driven LTE Downlink Scheduling for Multimedia Services) 
2015, DoS, Dr. Louis A Anegekuh on Video Content-based QoE Prediction for HEVC Encoded Videos Delivered over IP Networks 
2011 Second supervisor, Dr. Asiya Khan on Video Quality Prediction for Video over Wireless Access Networks (UMTS and WLAN)
2009 Second supervisor, Dr. Z Qiao on Enhancement of Perceived Quality of Service for Voice over Internet Protocol Systems
2009 Second supervisor, Dr. P Hu on A Framework for Bioprofile Analysis over Grid
2007 Second supervisor, Dr. Z Li on Resource-Efficient Strategies for Mobile Ad-hoc Networking

Grants & contracts

2015-2018

EU H2020-MSCA-ITN-2014, QoE-NET (innovative Quality Of Experience maNagement in Emerging mulTimedia services), €3.1M (€547K at Plymouth), PI

2011-2014

EU FP7 SEC-2011, Collaborative Project: GERYON (Next Generation Technology Independent Interoperability of Emergency Services), €2.5M (€478K at Plymouth), PI

2011

UoP, International Research, Networking and Collaboration (IRNC) Grant, £5,000

2010-2014

EU COST Action IC1003 QUALINET

2010

The Royal Academy of Engineering (RAE) Travel Grant

2008-2010

EU FP7 – ICT on Networked Media, Collaborative Project: ADAMANTIUM (ADAptative Management of media distribution based on satisfaction oriented User Modelling), €2.6M(€310K at Plymouth), Co-Investigator and WP4 leader.

2006-2007

Funds from industry £18K for a project on voice/video quality for 3G networks (with £6K for sponsoring two MRes projects), Co-Investigator.

2003

IEEE Travel Grant $1000 for attending IEEE ICC 2003

2002

IEEE Travel Grant $1000 for attending IEEE ICC 2002

Research groups

  • Centre for Security, Communications and Network Research (CSCAN)
  • Signal Processing and Multimedia Communications

Book and Book Chapters

  1. "Guide to Voice and Video over IP: For Fixed and Mobile Networks", Lingfen Sun, Is-Haka Mkwawa, Emmanuel  Jammeh and Emmanuel Ifeachor, Springer, Jan 2013, ISBN 978-1-4471-4905-7. 
  2. "A Social Relational Network – Based Architecture for Maintaining the Media Integrity and Optimizing the Quality of Experience: A Technical and Business Perspective” H Koumaras, J-O Fajardo, F Liberal, L Sun, V Koumaras, C Troulos, A Kourtis, Book Chapter in “Social Computing Theory and Practice: Interdisciplinary Approaches” Edited by P Papadopoulou et al. IGI Global, pp. 242 – 263. ISBN13: 9781616929046, Oct. 2010.
  3. "Bioprofiling over Grid for Personalised eHealthcare for AD", E Ifeachor, P Hu, L Sun, N Hudson, M Zervakis, Book chapter in "Frontiers in Artificial Intelligence and Applications", pp.155-165, ISBN 978-1-60750-010-0, IOS Press, Vol. 196, 2009. 
  4. "Efficient Packet Relaying in Sparse Mobile Sensor Networks" Z Li, L Sun and E Ifeachor, Book chapter in "Wireless Mesh & Sensor Networking – with 802.16, 802.11 and ZigBEE", G. Aggelou, Ed., McGraw-Hill, ISBN 978-0-07-148256, pp.171-180, Sep 2008.
  5. "PQoS Assessment Methods for Multimedia Services", H. Koumaras, F. Liberal, L.Sun, Chapter XIII, Handbook of Research on Wireless Multimedia: Quality of Service and Solutions, IGI Global publication, ISBN:  978-1-59904-820-8, July 2008.

Journals  (since 2000):

  1. "Content-based Video Quality Prediction for HEVC Encoded Videos Streamed over Packet Networks", Louis Anegekuh, Lingfen Sun, Emmanuel Jammeh, Is-Haka Mkwawa and Emmanuel Ifeachor, IEEE Transactions on Multimedia, Vol. 17, No.8, August 2015, pp. 1323 - 1334. (10.1109/TMM.2015.2444098)
  2. "Encoding and Video Content Based HEVC Video Quality Prediction", Louis Anegekuh, Lingfen Sun and Emmanuel Ifeachor, Journal on Multimedia Tools and Applications, Springer, Vol. 67, No. 3 Dec. 2013.
  3. "Battery Voltage Discharge Rate Prediction and Video Content Adaptation in Mobile Devices over 3G Access Networks", Is-Haka Mkwawa and Lingfen Sun, Journal of ZTE Communications, March 2013 Vol. 11, No. 1, pp. 44-50.
  4. "QoE Prediction Model and its Application in Video Quality Adaptation over UMTS Networks", A Khan, L Sun and E Ifeachor, IEEE Transactions on Multimedia, pp.431 – 442, Vol. 14, No. 2, April 2012.
  5. "Learning Models for Video Quality Prediction over WLAN and UMTS Networks", A. Khan, L. Sun and E. Ifeachor, IET Communications,  2010, Vol. 4, Issue 12, pp. 1389 - 1403.
  6. "Quality of experience-driven adaptation scheme for video applications over wireless networks", A. Khan, L. Sun, E. Jammeh and E. Ifeachor, IET Communications Special Issue on "Video Communications over Wireless Networks", 2010, Vol. 4, Issue 11, pp. 1337 - 1347.
  7. "Type-2 Fuzzy Logic Control of a PQoS Driven Adaptive VoIP Scheme", E Jammeh, I Mkwawa, L Sun and E Ifeachor, IET Electronics Letters, Volume 46, Issue 2, p.137–138, Jan 2010.
  8. "A Framework for Bioprofile Analysis over Grid”, Pin Hu, Lingfen Sun and Emmanuel Ifeachor
    IEEE Systems Journal, Vol.3, No.4, Dec 2009, pp.520 – 535.
  9. "Content-based Video Quality Prediction for MPEG4 Video Streaming over Wireless Networks”, Asiya Khan, Lingfen Sun and Emmanuel Ifeachor, Journal of Multimedia, Vol. 4, No. 4, August 2009, pp. 228 – 239.
  10. "Range-based Relative Velocity Estimations for Networked Mobile Devices”, Z Li, L Sun and E Ifeachor, IEEE Transactions on Vehicular Technology, Vol. 58, No. 4, May 2009, pp 2095 – 2099.
  11. "Voice Quality Prediction Models and their Applications in VoIP Networks", L Sun and E Ifeachor, IEEE Transactions on Multimedia, Vol. 8, No. 4, August 2006, pp. 809 – 820.

 

Patent

1. Method and Apparatus for Determining the Speed and Orientation of Networked Mobile Stations
Z Li, L Sun and E Ifeachor, 
UK Patent filed in June 2007, Application No. GB 0711534.8

Conferences (since 2000)

  1. "User-Centric QoE-driven Vertical Handover Framework in Heterogeneous Networks", Li Liu, Lingfen Sun and Emmanuel Ifeachor, IEEE WiMob 2016, New York, USA, 17th - 19th Oct 2016.

  2. "Changes in the EEG Amplitude as a Biomarker for Early Detection of Alzheimer's Disease", Ali Al-nuaimi, Emmanuel Jammeh, Lingfen Sun and Emmanuel Ifeachor, IEEE EMBC, August 16 -20, 2016, Orlando, FL USA. (DOI: 10.1109/EMBC.2016.7590869) 

  3. "A Novel QoE-Aware SDN-enabled, NFV-based Management Architecture for Future Multimedia Applications on 5G Systems", Alcardo Alex Barakabitze, Lingfen Sun, Is-Haka Mkwawa and Emmanuel Ifeachor, QoMEX 2016, 6 - 8 June 2016, Lisbon, Portugal.

  4. "Impact of Tone-mapping Operators and Viewing Devices on Visual Quality of Experience", Shaymaa Al-Juboori, Is-Haka Mkwawa, Lingfen Sun an Emmanuel Ifeachor, IEEE ICC 2016, 23 - 27 May, 2016, Kuala Lumpur, Malaysia. (DOI: 10.1109/ICC.2016.7510690)

  5. "A QoE-driven Vertical Handover Algorithm based on Media Independent Handover Framework", Li Liu, Lingfen Sun and Emmanuel Ifeachor, IEEE WiMob 2015, 19 - 21 Oct. 2015, Abu Dhabi, UAE. (DOI: 10.1109/WiMOB.2015.7347940)

  6. "Tsallis Entropy as a Biomarker for Detection of Alzheimer's Disease", Ali H. Al-nuaimi, Emmanuel Jammeh, Lingfen Sun and Emmanuel Ifeachor, IEEE EMBC, 25 - 29 August, 2015, Milan, Italy.

  7. "QoE-driven LTE Downlink Scheduling for VoIP Application", Ali Alfayly, Is-Haka Mkwawa, Lingfen Sun and Emmanuel Ifeachor, IEEE CCNC 2015 (poster session), 9 – 12 Jan 2015, Las Vegas, Nevada, USA.

  8. "A Screening Methodology for Crowdsourcing Video QoE Evaluation",   Louis Anegekuh, Lingfen Sun and Emmanuel Ifeachor, IEEE Globecom 2014, 8-12 Dec 2014, Austin, TX, USA.

  9. "Content-aware Adaptation Scheme for QoE Optimized DASH Applications", Shenghong Hu, Lingfen Sun, Chao Gui, Emmanuel Jammeh and Is-Haka Mkwawa, IEEE Globecom 2014, 8-12 Dec 2014, Austin, TX, USA. (DOI: 10.1109/GLOCOM.2014.7036993)

  10. "Encoded Bitstream based Video Content Type Definition for HEVC Video Quality Prediction”, Louis Anegekuh, Lingfen Sun and Emmanuel Ifeachor, IEEE ICC 2014, 10-14 June, 2014, Sydney, Australia. 

  11. "Autonomous Adaptation Strategies for Multiuser Multimedia Transmission in the LTE Uplink”, Jose Oscar Fajardo, Fidel Liberal, Is-Haka Mkwawa and Lingfen Sun, IEEE ICC 201410-14 June, 2014, Sydney, Australia.

  12. "Performance-driven Evaluation for Deploying IMS-based Interoperability Scenarios”, Jose Oscar Fajardo, Fidel Liberal, Fudong Li, Nathan Clarke, Is-Haka Mkwawa and Lingfen Sun, IEEE ICC 201410-14 June, 2014, Sydney, Australia.

  13. "Congestion Control Algorithm and Performance Analysis of Voice and Video Call over Skype", Li Liu, Lingfen Sun, Emmanuel Ifeachor, and Is-Haka Mkwawa, Collaborative European Research Conference (CERC) 2013, 17th - 18th Oct 2013, Cork, Ireland. 

  14. "HEVC/LTE: Delivering Next Generation Emergency Services”, Emmanuel Jammeh, Is-Haka Mkwawa and Lingfen Sun, International Workshop on Emergency Telecommunications Systems (ETS 2013) 10-13 September 2013, Wrexham, UK.

  15. "Power-Driven VoIP Quality Adaptation Over WLAN in Mobile Devices", Is-Haka Mkwawa and Lingfen Sun, Globecom 2012,  Workshop: Quality of Experience for Multimedia Communications (GC'12 Workshop - QoEMC).

  16. "QoE-based Performance Evaluation of Scheduling Algorithms over LTE", Ali Alfayly, Is-Haka Mkwawa, Lingfen Sun and Emmanuel Ifeachor, Globecom 2012,  Workshop: Quality of Experience for Multimedia Communications (GC'12 Workshop - QoEMC).

  17. "Mapping of Received Signal Strength Indicator to QoE in VoIP Applications in WLAN", Is-Haka Mkwawa, Emmanuel Jammeh and Lingfen Sun, QoMEX 2012, Yarra Valley, Australia, 5 - 7 July 2012

  18. "Impact of End Devices on Subjective Video Quality Assessment for QCIF Video Sequences"   Asiya Khan, Lingfen Sun, Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal, Emmanuel Ifeachor, QoMEX 2011, Mechelen, Belgium, 7 - 9 Sep 2011

  19. "Modelling Speech Quality for NB and WB SILK Codec for VoIP Applications", Mohammad Goudarzi, Lingfen Sun and Emmanuel Ifeachor, NGMAST 2011, Cardiff, Wales, UK, 14 - 16 Sep 2011

  20. "QoE-driven Sender Bitrate Adaptation Scheme for Video Applications over IP Multimedia Subsystem", Asiya Khan, Is-Haka Mkwawa, Lingfen Sun and Emmanuel Ifeachor, IEEE ICC 2011, Kyoto Japan, 5-9 June 2011 (accepted)

  21. "Audiovisual Quality Estimation for Video Calls in Wireless Applications”, Mohammad Goudarzi, Lingfen Sun and Emmanuel Ifeachor, IEEE Globecom 2010, Miami, Florida, 6 - 10 Dec 2010. 

  22. “Feedback-free Early VoIP Quality Adaptation Scheme in Next Generation Networks”, Is-Haka Mkwawa, Emmanuel Jammeh, Lingfen Sun and Emmanuel Ifeachor, IEEE Globecom 2010 Miami, Florida, 6 - 10 Dec 2010.

  23. “Impact of RLC losses on Quality Prediction for H.264 Video over UMTS Networks”, Asiya Khan, Lingfen Sun, Jose Oscar Fajardo, Fidel Liberal and Emmanuel Ifeachor, IEEE ICME, 2010, Singapore, 19-23 July 2010.

  24. “An ANFIS-based Hybrid Quality Prediction Model for H.264 Video over UMTS Networks”, Asiya Khan, Lingfen Sun, Jose Oscar Fajardo, Fidel Liberal and Emmanuel Ifeachor, IEEE CQR, 2010,  Vancouver, Canada, 8-10 June 2010.

  25. “Impact of Bursty Packet Loss on Voice and Video Quality in Wireless Networks”, Mohammad Goudarzi, Lingfen Sun and Emmanuel Ifeachor, Postgraduate Conference for Computing: Applications and Theory (PCCAT), 9th June 2010, Exeter, UK.

  26. “Video Quality Prediction Model for H.264 Video over UMTS Networks and their Application in Mobile Video Streaming”, Asiya Khan, Lingfen Sun, Emmanuel Ifeachor, Jose Oscar Fajardo and Fidel Liberal, IEEE ICC 2010, 23-29 May 2010, Cape Town, South Africa.

  27. “NIDA: A Parametric Vocal Quality Assessment Algorithm over Transient Connections”, Sofiene Jelassi, Habib Youssef, Lingfen Sun, Guy Pujolle, 12th IFIP/IEEE International Conference on Management of Multimedia and Mobile Networks and Services (MMNS 2009), Oct 2009, pp. 106 – 117. 

  28. “Content Classification Based and QoE-driven Video Send Bitrate Adaptation Scheme”, A. Khan, L. Sun, E. Jammeh and E. Ifeachor, Fifth International Mobile Multimedia Communications Conference (Mobimedia), September 7-9, 2009 - London, UK.

  29. “Content Classification Based on Objective Video Quality Evaluation for MPEG4 Video Streaming over Wireless Networks”, A. Khan, L. Sun and E. Ifeachor, World Congress on Engineering, track on International Conference on Wireless Networks (ICWN), 1-3 July 2009, London, UK.

  30. “PESQ and 3SQM measurement of voice quality over live 3G networks”, M. Goudarzi, L. Sun, and E. Ifeachor, 8th International MESAQIN (Measurement of Speech, Audio and Video Quality in Network) Conference, Prague, June 11, 2009.

  31. "Content Clustering-based Video Quality Prediction Model for MPEG4 Video Streaming over Wireless Networks" Asiya Khan, Lingfen Sun and Emmanuel Ifeachor, IEEE ICC 2009 14-18 June 2009, Dresden, Germany.

  32. "Impact of Video Content on Video Quality for Video over Wireless Networks" – BEST PAPER AWARD, Asiya Khan, Lingfen Sun and Emmanuel Ifeachor, Fifth International Conference on Autonomic and Autonomous Systems (ICAS), April 20 – 25, 2009 – Valencia, Spain.

  33. "Open IMS Core with VoIP Quality Adaptation", I. Mkwawa, E. Jammeh, L. Sun, A. Khan and E. Ifeachor, Fifth International Conference on Autonomic and Autonomous Systems (ICAS), April 20 – 25, 2009 – Valencia, Spain.

  34. "Case Study of PESQ Performance in Live Wireless Mobile VoIP Environment", Z Qiao, L Sun and E Ifeachor, IEEE PIMRC 2008 – VoIP Technologies Workshop, 15-18 September 2008, Cannes, France.

  35. "An ANFIS-based Hybrid Video Quality Prediction Model for Video Streaming over Wireless Networks",  A Khan, L Sun and E Ifeachor, IEEE NGMAST 2008, 16-19 September 2008, Cardiff, Wales, UK.

  36. "The ADAMANTIUM Multimedia Content Management System for Real Time Cross-Layer Adaptation of IPTV and VoIP Services over IMS", H. Koumaras, L. Sun, A. Kourtis, TEMU 2008, Int. Conf. on Telecommunications and Multimedia, Ierapetra, Crete, Greece, 16-18 July 2008

  37. "Range-based Mobility Estimations in MANETs with Application to Link Availability Prediction", Z Li, L Sun and E Ifeachor, Proceedings of IEEE ICC 2007, 24-28 June, Glasgow, UK.

  38. "Audiovisual Quality Assessment for 3G Networks in Support of eHealthcare Services",  A. Khan, Z. Li, L. Sun and E. Ifeachor, Proceedings of the 3rd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED 2007), July 25-27, Plymouth, UK, 2007 

  39. "An Approach to Structured Knowledge Representation of Service-oriented Grids" (Poster), P. Hu, L. Sun and E. Ifeachor, Proceedings of UK e-Science Programme All Hands Meeting 2007 

  40. "A  Model for Bioprofile over Grid in Support of eHealthcare", P. Hu, A. Anastasiou, L. Sun and E. Ifeachor, Proceedings of the 3rd International Conference on Computational Intelligence in Medicine and Healthcare (CIMED 2007), July 25-27, 2007 

  41. "Adaptive Multi-Copy Routing for Intermittently Connected Mobile Ad Hoc Networks", Z Li, L Sun and E Ifeachor, Proceedings of IEEE Globecom 2006, 27 Nov - 1 Dec 2006, San Francisco, USA.

  42. "The BIOPATTERN Grid – Implementation and Applications", P. Hu, L. Sun,  C. Goh, B. Hamadicharef, E. Ifeachor, I. Barbounakis, M. Zervakis, N. Nurminen, A. Varri, R. Fontanelli, S. Di Bona, D. Guerri, S. La Manna, K. Cerbioni, E. Palanca, A. Starita, Proceedings of UK e-Science Programme All Hands Meeting 2006 (AHM2006)

  43. "Bioprofiling over Grid for eHealthcare", L. Sun, P. Hu, C. Goh, B. Hamadicharef, E. Ifeachor, I. Barbounakis, M. Zervakis, N. Nurminen, A. Varri, R. Fontanelli, S. Di Bona, D. Guerri, S. La Manna, K. Cerbioni, E. Palanca, A. Starita, Proceedings of HealthGrid 2006, June 7-9, Valencia, SPAIN. 

  44. "Bioprofiling over Grid for Early Detection of Dementia"  (Invited Paper), L. Sun, P. Hu, C. Goh, B. Hamadicharef, M. Hess, E. Ifeachor, I. Barbounakis, M. Zervakis, N. Nurminen, A. Varri, Proceedings of INFOSCALE 2006, May 29 - June 1, Hong Kong. 

  45. "Track-based Hybrid Service Discovery in Mobile Ad-hoc Networks" [PPT], Z Li, L Sun and E Ifeachor, Proceedings of the 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC' 2005), September 2005, Berlin, Germany

  46. "The Impact of Grid on Healthcare", L Sun and E Ifeachor, Proceedings of Second International Conference on Computational Intelligence in Medicine and Healthcare (CIMED 2005) 29th June - 1st July 2005, Costa da Caparica, Lisbon, Portugal

  47. "Runtime Estimation of Parallel Applications in Computational Grids", P Hu, Z Qiao, L Sun and E Ifeachor, Proceedings of Second International Conference on Computational Intelligence in Medicine and Healthcare (CIMED 2005) 29th June - 1st July 2005, Costa da Caparica, Lisbon, Portugal

  48. "Challenges of Mobile Ad-hoc Grids and their Applications in eHealthcare" [PPT], Z Li, L Sun and E Ifeachor, Proceedings of Second International Conference on Computational Intelligence in Medicine and Healthcare (CIMED 2005) 29th June - 1st July 2005, Costa da Caparica, Lisbon, Portugal

  49. "New Models for Perceived Voice Quality Prediction and their Applications in Playout Buffer Optimization for VoIP Networks" [PPT][tracedata], L Sun and E Ifeachor, Proceedings of IEEE International Conference on Communications (IEEE ICC 2004), Paris, France, June 2004, pp.1478 - 1483. Selected in Tech Focus on VoIP in Jan 2005 by IEEE Communications Society.

  50. "A New Method for VoIP Quality of Service Control Based on Combined Adaptive Sender Rate and Priority Marking", Z Qiao, L Sun, N Heilemann and E Ifeachor, Proceedings of IEEE International Conference on Communications (IEEE ICC 2004), Paris, France, June 2004, pp.1473 - 1477. Selected in Tech Focus on VoIP in Jan 2005 by IEEE Communications Society. 

  51. "New Methods for Voice Quality Evaluation for IP Networks", L Sun and E Ifeachor, Proceedings of the 18th International Teletraffic Congress (ITC18), Berlin, Germany, 31 August - 5 September 2003, pp. 1201 - 1210.

  52. "Perceived Speech Quality Driven Retransmission Mechanism for Wireless VoIP", Z Li, L Sun, Z Qiao and E Ifeachor, Proceedings of IEE Fourth International Conference on 3G Mobile Communication Technologies, London, UK, June 2003, pp. 395 - 399.

  53. "Prediction of Perceived Conversational Speech Quality and Effects of Playout Buffer Algorithms", L Sun and E Ifeachor, Proceedings of IEEE International Conference on Communications (IEEE ICC'03), Anchorage, USA, May 2003, pp. 1-6.

  54. "Perceived Speech Quality Prediction for Voice over IP-based Networks", L Sun and E Ifeachor, Proceedings of IEEE International Conference on Communications (IEEE ICC'02), New York, USA, April 2002, pp.2573-2577.

  55. "Subjective and Objective Speech Quality Evaluation under Bursty Losses", L Sun and E Ifeachor, Proceedings of On-line Workshop Measurement of Speech and Audio Quality in Networks (MESAQIN 2002), Prague, Czech Republic, Jan. 2002, pp.25 -- 29. 

  56. "Impact of Packet Loss Location on Perceived Speech Quality", L Sun, G Wade, B Lines and E Ifeachor, Proceedings of 2nd IP-Telephony Workshop (IPTEL '01), Columbia University, New York, April 2001, pp.114-122. 

  57. "VoIP Speech Quality Simulation and Evaluation", L Sun, G Wade, B Lines, D Le Foll and E Ifeachor. Proceedings of the Second International Network Conference (INC 2000), Plymouth, UK, July 2000, pp.157-164. 

  58. "End-to-end Speech Quality Analysis for VoIP", L Sun, G Wade, B Lines, E Ifeachor and D Le Foll, Proceedings of IEE 16th UK Teletraffic Symposium on Management of Quality of Service, Harlow, UK, May 2000, pp. 23/1 -- 23/6. 

Reports & invited lectures

   Invited talk on “Bioprofiling over Grid” at NCAF (Natural Computing Applications Forum) Conference at Aston University, UK 13-14 January 2005.

  Invited talk on “VoIP and Voice Quality Measurement”(ppt), Acterna, Plymouth, 4 Feb 2005.

  Invited to join Panel on HealthGrid, EGEE-II First Conference, Geneva, Switzerland, 25 Sep 2006.

  Invited talk on "Objective Assessment of Speech Quality for VoIP” (pdf), JDSU (previously Acterna), 15 Nov 2006.

Links

Research Group Home page:

http://www.cscan.org/
http://www.tech.plym.ac.uk/spmc/
 
Home page: 

http://www.tech.plym.ac.uk/spmc/people/lfsun/