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Virtual Department 5 Transmission Techniques for Broadband Networks

Virtual Department 5 Transmission Techniques for Broadband Networks. Pierluigi Poggiolini VD5 WP-Leader February 10 th 2005 Milano, Italy. General Goals. VD5 primarily aims at: stimulating fostering coordinating integrating the research activity and

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Virtual Department 5 Transmission Techniques for Broadband Networks

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  1. Virtual Department 5Transmission Techniques for Broadband Networks Pierluigi Poggiolini VD5 WP-Leader February 10th 2005 Milano, Italy

  2. General Goals • VD5 primarily aims at: • stimulating • fostering • coordinating • integrating the research activity and the common educational initiatives of those NoE researchers whose primary field of expertise is optical transmission for broadband networks

  3. Pierluigi Poggiolini (POLITO) – pierluigi.poggiolini@polito.it • Antonio Teixeira (IT) - teixeira@ua.pt • Robert Killey (UCL) - r.killey@ee.ucl.ac.uk • Josep Prat (UPC) - jprat@tsc.upc.es • Michel Joindot (FT) - michel.joindot@francetelecom.com • Periklis Petropoulos (ORC-CC2) - pp@orc.soton.ac.uk The VD5 Advisory Board

  4. Dr. Gabriella Bosco Ms. Laura Trabuio The Polito VD5 Crew firstname.lastname@polito.it

  5. VD5 at-a-glance • Participants: 17 partners (about 14 active) • Manpower initial planned: 29.4 man months • Budget initial planned: 126 K€ overall

  6. Manpower in VD5 • VD5 has used up 59% of the allocated manpower in year I, vs. average 52% in the NoE • This trend ensures full “exhaustion” of allocated manpower within the 2 years • Some partners will have to re-allocate some manpower to continue operating within VD5…

  7. second highestin NoE ! highestin NoE ! Spending in VD5

  8. Spending in VD5 • Spending is in line with manpower usage: 62% (vs. 59% manpower) • NoE average is in this case a lot lower: 37% (vs. 52% manpower) • The EU actually wants us to eventually slightly overspend, so VD5 is in fact helping out towards that goal! • Adjustments could be made out of “reserve” funds if needed

  9. VD5 MEETINGS during 2005 • electronic: hundreds of e-mail exchanged and tens of “virtual meetings” carried out • 56 subscribers to mailing list (!) • informal plenary: at NOC in Ghent, July 2004 • plenary: Mons (Belgium) Sept. 2004 • very high participation (15 people, 11 partners) • workshop on coordinating FP6 fourth call consortia • brainstorming on key technologies • plenary: Aveiro (Portugal) Feb. 2005 • foreseen high participation • large VD5 Yearly Technical Workshop(ten talks scheduled so far)

  10. Deliverables • D5.1 “Key issues in transmission techniques for broadband networks” • completed on time • D5.2 List of “VD5 planned activities – I”for the first year • completed on time • D5.3 “VD5 technical report – I, including the e-Photon/ONe viewpoint on transmission techniques for broadband networks” • already turned in • D5.4 List of “VD5 planned activities – II” for the second year • will be completed and turned in after the Aveiro plenary, where all future actions will be debated

  11. VD5 operations so far • We had to start from scratch and literally invent what a VD should be like and do • We gave ourselves a set of initial goals and started pursuing them • One year into the project we can start drawing some preliminary conclusions

  12. slow at the beginning • hard to get response from partners • besides, no one really knew what a VD was supposed to do • however, little by little things have started to roll How’s it been going? • AB members have been very responsive and willing to help: THANKS!

  13. Main Goal 1 and Achievements • Goal 1Promote internal debate toidentify the “key issues” in Transmission • build up an internal consensus on key issues • share our findings on what the key issues are and improve external visibility • Achievements • a 40-page document on key-issues in Transmission has been generated by 6 writing groups led by the Advisory Board members (deliverable D5.3) • panel discussion occurred at plenary in Mons (Sept. 2004) and a Workshop with 10 contributions at plenary in Aveiro (Feb. 2005)

  14. Writing Groups for D5.3 • Six writing groups were set up, led by the writing group leaders (AB members): • Bandwidth-Efficient FormatsPerson in charge: Josep Prat, UPC • Low-Cost systemsPerson in charge: Pierluigi Poggiolini of POLITO • Long-Term TechnologiesPerson in charge: Perikilis Petropoulos, ORC (Southampton) • Network support technologiesPerson in charge: Antonio Teixeira, IT • Adaptive functions for broadband transmissionPerson in charge: Michel Joindot of FT • Fighting/Exploiting Fiber Non-LinearitiesPerson in charge: Robert Killey, UCL

  15. Main Goal 1: Comments and Future Actions • it is hard to make partners take strong positions on key issues, especially in the negative • turn D5.3 into a journal paper (an “Editor” must be found, who takes charge) • workshop being negotiated at ECOC 2005 for dissemination • also obtain an invited paper at ECOC 2005 • keep the debate ongoing throughout the project duration • try and make the partners join forces on the identified key issues through student/staff exchanges • organize another technical Workshop at end of Year 2 • propose a JP if consensus is found

  16. Workshop in Aveiro • Theme:Applying communications theory advanced techniques to the future generation of optical transmission systems including: • advanced transmission formats • multilevel formats • coherent transmission • EDC: FFE, DFE, MLSE • advanced FECs • OFDM, CDMA • adaptive optical equalization • all sorts of advanced techniques used in other TLC contexts and so far little used in optical communications

  17. Workshop in Aveiro • Attendance: OPEN to all Winter School Attendees and NoE partners • Day: February 22nd • Time: 14:00 to 18:30 • Official Program Shortly circulated to all NoE partners • Panel discussion may follow if time permits

  18. Main Goal 2 and Achievements • GoalPromote bi/multi-lateral collaborations on specific topics with staff/student exchange • carry out a broad survey of possible joint projects involving student/staff exchange • provide a framework to formalize and co-fund previously existing informal collaborations • support and favour the establishment of new collaborations • Achievements • a very successful survey completed collecting 31 proposals of joint research projects involving student/staff exchange • workshop held in Mons (Sept. 2004) to present the offers and facilitate the set-up of such collaborations • 2 active, others in the making

  19. The Matrix

  20. Main Goal 2: Comments and Future Actions • Despite the successful survey and the attempt at fostering follow-ups, only two exchanges have been finalized so far • This, despite the exceptional ease of setting up such cooperations (a one-page proposal that is processed in less than week) • Workshop in Mons to allow partners to promote their proposal: a failure • More aggressive initiatives will be taken by VD5 towards fostering exchange set-up • active role in directly promoting such cooperations • round-robin lab visits for partners interested in same topic • keeping survey updated and properly advertised • debate with partners as to other possible ways to promote exchanges

  21. Main Goal 3 and Achievements • GoalCoordinate research efforts and optimize resource exploitation • coordinate the set up of large projects within the network, especially in response to EU calls • achieve an inventory of major experimental facilities that can be shared and optimize their exploitation • Achievements • broad survey on shareable experimental facilities carried out and circulated • 5 prospective STReP consortia within VD5 being discussed, with Interim Coordinators designated and meetings undergoing right now

  22. Consortia for 4th call “competition” • Performance Monitoring • Interim Coordinator Antonio Teixeira • well underway • 3R Regeneration • Interim Coordinator Periklis Petropoulos • well underway • Low-Cost Broadband for All • Interim Coordinator Dimitri Syvridis • electrical coding/equalization techniques for the metro and also MMF • well underway • Intelligent Network Amplifiers • Interim Coordinator Elmar Schulze • partners’ interest being assessed • Coherent Systems • Interim Coordinator Josep Prat • initially thought of as a FET and now being considered for a STReP • good partners interest but still being assessed as for its chances of success

  23. Main Goal 3: Comments and Future Actions • The facilities survey was successful but inconsequential • It would be extremely good to prove to the EU that certain infrastructures (ex. 40 Gbit BERTs) can be shared to optimize their exploitation • Unfortunately this goes against each group’s ambitions to “have one of their own” leading however to waste of resources • EU call consortia coordination in progress, seems successful • Future actions coordinated with WP13 (or handed over to) • More stress on sharing expensive infrastructures • Consortia coordination for 5th call and beyond • Pull together a JP to create the conditions for student/staff exchange and shared infrastructure use

  24. Main Goal 4 and Achievements • GoalSpeak a common “language” and build a common knowledge • foster the exchange of lecturers among academic partners for teaching seminars and/or courses on VD5-relevant topics • exchange and sharing of teaching material on VD5-relevant topics • promote the writing of common papers • Achievements • framework for sharing teaching material approved in Mons • survey on calls for seminar/course teaching openings about to be launched • 14 papers submitted within VD5 with acknowledgements to e-Photon/ONe, some with multi-partner authors

  25. VD5 Papers 1. O.M. Diaz, J. Prat, I. Tafur Monroy, G.D. Khoe and H. de Waardt, "Introducing the Jones Matrix Method to Characterize a Dispersion Managed Link up to Second-Order PMD“, submitted to IEEE Photonics Technology Letters in December 2004. 2. Josep Prat, Joan M. Gené, and Víctor Polo, “Reduction of the Laser Modulation Bandwidth Requirement in CPFSK Systems using Duobinary Coding and Differential Detection”, submitted to IEEE Communication Letters in November 2004. 3. Josep Prat, Victor Polo, Carlos Bock, Cristina Arellano, J.J.Vegas-Olmos , "Full-duplex Single Fiber Transmission using FSK Downstream and IM Remote Upstream Modulations for Fiber-to-the-Home“, accepted for publication in IEEE Photonics Technology Letters in March 2005. 4. G. Bosco and P. Poggiolini, “The Impact of Receiver Imperfections on the Performance of Optical Direct-Detection DPSK”, to be published in IEEE Journal of Lightwave Technology in February 2005. 5. G. Bosco and P. Poggiolini, “Joint Effect of Interferometric Receiver Impairments on Direct-Detection DQPSK Optical Systems”, submitted to IEEE Photonics Technology Letters in January 2005. 6.G. M. Tosi Beleffi , F. Curti , D.M. Forin, M. Guglielmucci, A. Teixeira, R. Nogueira, P. André, A. Fiorelli, A. Reale, S. Betti, "Performance evaluation of an All-Optical Clock Recovery and data Resampling stage for NRZ Data signals“, submitted to CLEO 2005. 7. V. Moeyaert, S. Bette, V. Tamgnoue, M. Blondel, P. Mégret, “Trends in cable television network physical topology”, to be published in Broadband Europe, Brugge (B), 08/12-10/12, 2004. 8. V. Tamgnoue, V. Moeyaert, S. Bette, M. Blondel, P. Mégret, “Experimental set-up for the evaluation of clipping noise statistical behaviour of CATV optical transmission system”, IEEE Laser and Electro-Optics Society Symposium - Benelux Chapter, pp. 179-182, Ghent (B), 02/12-03/12, 2004. 9. S. Bette, V. Moeyaert, M. Lhoir, M. Clerbois, V. Tamgnoue, M. Blondel, P. Mégret, “Temporal Binary Error Distribution of QAM Transmission Impaired by Clipping-Induced Noise in CATV Lightwave Subcarrier Multiplex Systems”, IEEE Laser and Electro-Optics Society Symposium – Benelux Chapter, pp. 167-170, Ghent (B), 02/12-03/12, 2004. 10. S. Bette, V. Moeyaert, V. Tamgnoue, M. Blondel, P. Mégret, “Comparative Analysis of the Impact of CATV Return Path Ingress and Impulse Noises in a 16-QAM Transmission System”, Network & Optical Communications (NOC), pp. 229-236, Eindhoven (NL), 29/06-01/07, 2004. 11. S. Bette, C. Caucheteur, M. Wuilpart, M. Blondel, P. Mégret, “Differential Group Delay Analysis of Uniform Bragg Gratings Written in Hi-Bi Optical Fibers”, IEEE Laser and Electro-Optics Society Symposium - Benelux Chapter, pp. 171-174, Ghent (B), 02/12-03/12, 2004.   12. D. M. Forin, F. Curti, Member, IEEE, G. M. Tosi Beleffi, and F. Matera, “All Optical Fibre 2+1 Auxiliary Carrier Transponder-Regenerator”, to be published in IEEE Photonics Technology Letters. 13. Napoli, J. Prat, J.M. Gené, V. Curri, and P. Poggiolini, “Extinction Ratio Strategy: a new method to exploit the use of Electronic Equalization in Dispersion-Limited Systems”, submitted to CLEO Europe 2005, Munich, Germany 14. J. Prat, A. Napoli, J.M. Gené, V. Curri, and P. Poggiolini, “Optical Receiver Linearization: a new method to exploit the properties of linear electronic equalization”, submitted to CLEO Europe 2005, Munich, Germany

  26. VD5 VD5 VD5 VD5 Main Goal 4: Comments and Future Actions on PAPERS • VD5 agreed in Mons on the following text:“This work was partially supported by the EU FP6 Network of Excellence e-Photon/ONe, WP5 and WP10” • Only 6 partners have labeled some of their papers (IT, POLITO, TU/e, UPC, FUB, FPM) • This despite at least 8 reminders in the period October 2004 / January 2005 • Out of 14 papers, only 4 are actually joint work • This situation has to radically change in year II to prove VD5 operation and to an extent justify its existence • Cross-labeling with JP4 could possibly be a first solution

  27. Main Goal 4: Comments and Future Actions on TEACHING • In Mons it was agreed upon to share teaching material, under certain rules • So far no one has contributed any material • Maybe the problem is the work needed to refine the material to “network grade” • No courses/seminars have been organized usingteacher exchange in VD5 • A strong action towards promoting the creation of a teaching material repository will be made • Can NoE money be used to pay grad students to work on upgrading teaching material to “network grade” • A Survey is going to be launched right after Aveiro to collect seminar/short course teacher exchange offers among partners

  28. Lesson learned in Year I • Can’t really force anyone into doing something that they are not really interested in • There’s not even substantial money to draw people’s interest • All initiatives must be: • of immediate and clear interest to partners • relatively easy and effortless to implement • economically compatible • examples: • mobility survey and related student/staff exchanges(e-mail survey, simple forms quick to fill out) • teach seminars/lectures at other places, etc.(again simple e-mail surveys, small seminars/lectures) • FP6 call discussion/coordination (obvious interest)

  29. Effectiveness Assessment • Most partners reactive, provided that central coordination strong and very frequent action reminders issued • One year into project, the consensus is that • partners have gotten to know one another a lot better, as for each partner’s • fields of expertise and topics of excellence • laboratory facilities and group composition • integration is truly taking place • formal and informal collaborations have actually started among several partners • actions towards the 4th FP6 calls coordinated • consensus on key issues being formed (D5.3 truly written cooperatively) • common papers being written and plans exist for collecting common teaching material

  30. Many Problems Still There • Many partners are still having trouble getting up to speed • Some partners have fully grasped the potential of the net and are taking advantage of it, others have not • Some have kept a sceptical attitude all along • If scepticism cannot be cured, then partners should probably reconsider their participation in VD5 • Is FC vs. AC making a difference ???????

  31. Future • We’re at the beginning of an integration process • Yet, something has already been accomplished • Difficulty-ridden start-up now behind us • Second year will unleash the full potential of the NoE • Ambitious objectives can be reached through well-coordinated cooperation • For truly long-lasting results the current two-year time-frame is wholly inadequate

  32. Archive • All VD5 documents are archived here:www.e-photon-one.orgusername: partnerpassword: 1qazxsW2

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