Christian Ibars

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Contact

Cibars small.jpg

Research Associate
Coordinator, Access Technologies Area
Tel. +34 93 645 2900
Fax +34 93 645 2901
Email: christian.ibars x cttc.cat




Short bio

Christian Ibars Casas received Engineering and Laurea degrees in electrical engineering from Universitat Politècnica de Catalunya, Barcelona, and Politecnico di Torino, respectively, in 1999, and a Ph. D. degree in electrical engineering from the New Jersey Institute of Technology, Newark, NJ, in 2003. During 2001 he was a visiting student at Stanford University, Stanford, CA. Since 2003 he has been with the Access Technologies area of CTTC. His current research interests are distributed resource management and network coding for wireless networks.


Current Funded Projects

SGR 940 (Consolidated Research Group) EXALTED SWAP VITRO SOFOCLES ACROPOLIS

Completed Projects

MVIA NEWCOM++ PERSEO WIP ULTRARED PLANETS QUETZAL MIMOSAT NEWCOM ACE2 WINNER


Students

Ana Moragrega (Ph.D.), Energy efficiency in location-capable sensor networks

Giuseppe Cocco (Ph.D.), Cooperative network coding for mobile satellite broadcasting (Co-funded by European Space Agency)

Alumni:

Antonio Mollfulleda (Ph.D.), Ultra-wideband receiver design

Aitor del Coso (Ph.D.), Cooperative Communications

Kamal Khatir (M.Sc., BTH - Blekinge IT) (2007), Coded cooperation

Yan Geng (M.Sc., UPC Baix Llobregat) (2006), Cooperative Communications for sensor networks

Sabbir Ahmed (M.Sc., BTH - Blekinge IT) (2006), Cooperative MAC

Xavier Jover (M.Sc., UPC Barcelona) (2005), MAC for multi-beam satellites

Publications

(pdf files of most publications are available at the CTTC website)

:: Journal

  • M. Navarro, L. Giupponi, C. Ibars, D. Gregoratti, J. Matamoros, Distributed Algorithms for Demand Management and Grid Stability in Smart Grids, to appear, in Y. Xiao, ed., “Communication and Networking in Smart Grids,” Auerbach Publications, Taylor & Francis Group, CRC, ISBN-10: 1439878730, ISBN-13: 978-1439878736, 2012.
  • A. Moragrega, C. Ibars, P. Closas, LACFA: An Algorithm for Localization Aware Cluster Formation in Wireless Sensor Networks, EURASIP Journal on Wireless Communication and Networking, special issue on Localization in Mobile Wireless and Sensor Networks, Vol. 2011, June 2011.
  • A. Pérez-Neira, C. Ibars, J. Serra, A. del Coso, J. Gómez-Vilardebó, M. Caus, K. P. Liolis, MIMO channel modeling and transmission techniques for multi-satellite and hybrid satellite–terrestrial mobile networks, Elsevier Physical Communication (PHYCOM) journal , Vol. 4, Issue 2, pp. 127-139, June 2011.
  • C. Ibars, M. Navarro, C. Fernández-Prades, X. Artiga, A. Moragrega, C. George-Gavrincea, A. Mollfulleda, M. Nájar ,Filter bank transceiver design for ultra wideband, chapter in "Ultra Wideband", edited by Boris Lembrikov, Sciyo, August 2010, ISBN 978-953-307-139-8, pp 267-296.
  • G. Cocco, S. Pfletschinger, M. Navarro, C. Ibars, Opportunistic adaptive transmission for network coding using nonbinary LDPC codes, EURASIP Journal on Wireless Communications and Networking, Vol. 2010, July 2010.
  • F. Bader, G. Chelius, C. Ibars, M. Ibnkahla, N. Passas,and A.-R. Rhiemeier, Simulators and Experimental Testbeds Design and Development forWireless Networks, EURASIP Journal on Wireless Communications and Networking, (editorial), May 2010. (pdf)
  • L. Giupponi, C. Ibars, Distributed Cooperation among Cognitive Radios with Complete and Incomplete Information, EURASIP Journal on Advances in Signal Processing, Special Issue on Dynamic Spectrum Access for Wireless Networking, Vol 2009, May 2009.
  • L. Giupponi and C. Ibars, Cooperative cognitive systems, to appear in Cognitive Radio Systems, IN-TECH, ISBN 978-953-7619-25-1.
  • A. del Coso, C. Ibars, Achievable rates for the AWGN channel with multiple parallel relays, IEEE Trans. on Wireless Communications, Vol. 8, no. 5, pp. 2524-2535, May 2009. pdf
  • A. del Coso, C. Ibars, Linear relaying for the Gaussian multiple access and broadcast channels, IEEE Trans. on Wireless Communications, Vol. 8, no. 4, pp. 2024-2035, Apr. 2009. pdf
  • A. del Coso, C. Ibars, Distributed antenna channels with regenerative relaying: relay selection and asymptotic capacity, submitted to EURASIP Journal on Wireless Communications and Networking, Special Issue on Smart Antennas for Next-Generation Wireless Systems, 2007.
  • A. del Coso, U. Spagnolini, C. Ibars, Cooperative distributed MIMO channels in wireless sensor networks, IEEE Journal on Selected Areas in Communications (J-SAC), Special Issue on Cooperative Communications and Networking, vol. 25, no. 2, pp.402-414, Feb. 2007.
  • S. Pfletschinger and C. Ibars, From cell capacity to subcarrier allocation in OFDMA, European Transactions on Telecommunications (ETT), vol. 17, no. 2, pp. 231-244, March/April 2006.
  • C. Ibars and Y. Bar-Ness, Analysis of Time-Frequency Duality of MC and DS CDMA for multiantenna systems on highly time-varying and wide-band channels, IEEE Transactions on Wireless Communications, vol. 4, no. 6, pp. 2661-2667, Nov. 2005.
  • M. Tan, C. Ibars and Y. Bar-Ness, Optimal power distribution control for multicode MC-CDMA with zero-forcing successive interference cancellation, Eurasip Journal on Applied Signal Processing, 2005:5, pp. 718-729, April 2005.
  • M. A. Lagunas, C. Anton-Haro, C. Ibars, Special issue on European Wireless 2004, guest editorial, European Transactions on Telecommunications, 16:1-3, 2005.
  • C. Ibars and Y. Bar-Ness, Inter-Carrier Interference Cancellation for OFDM Systems with Macrodiversity and Multiple Frequency Offsets, Wireless Personal Communications, n. 26(4), pp. 285-304, Sept. 2003.


:: Media/Magazines

  • X. Artiga, M. Navarro, C. Ibars, A. Sitja, Tecnologia UWB per a la mesura de distàncies d’alta precisió i localització, Revista Telecos, Co·legi oficial/Associació Catalana d'Enginyers de Telecomunicacions (COETC/ACET) nº, 50, pp. 12-15, Juny 2010. (Versió en català)
  • C. Ibars, J. Mangues, L. Giupponi, P. Giotis, Tècniques avançades per a "xarxes mesh" sense fils (II Part), Revista Telecos, Co·legi oficial/Associació Catalana d'Enginyers de Telecomunicacions (COETC/ACET) nº, 41, pp. 12-16, Març 2008. (Versió en català)
  • C. Ibars, J. Mangues, L. Giupponi, P. Giotis, Tècniques avançades per a "xarxes mesh" sense fils (I Part), Revista telecos, Col·legi Oficial/Associació Catalana d'Enginyers de telecomunicació (COETC/ACET), n. 40, pg. 18, 12/2007. (Versió en català)
  • UWB Technology White Paper, available here


:: Conference

2011:

  • G. Cocco, N. Alagha, C. Ibars, Network-coded cooperative extension of link level FEC in DVB-SH, in Proceedings 29th AIAA International Communications Satellite Systems Conference, 28 Nov. - 1 Dec., 2011, Nara (Japan).
  • S. Pfletschinger, M. Navarro, C. Ibars, Energy-Efficient Data Collection in WSN with Network Coding, in Proceedings IEEE Globecom International Workshop on Machine to Machine Communications, December 9, 2011, Houston (USA).
  • G. Cocco, D. Gunduz, C. Ibars, Real-time broadcasting over block-fading channels, in Proceedings of the Eighth International Symposium on Wireless Communication Systems (ISWCS), 6th - 9th November, 2011, Aachen (Germany).
  • A. Moragrega, P. Closas, C. Ibars, Energy-Efficient Positioning in Sensor Networks by a Game Theoretic Approach, in Proceedings of the 19th European Signal Processing Conference (EUSIPCO 2011), 29-2 September 2011, Barcelona (Spain).
  • M. Portoles, C. Ibars, J. Nunez, J. Mangues, Characterizing WLAN medium utilization for Radio Environment Maps, in Proceedings of the IEEE 74th Vehicular Technology Conference: VTC2011-Fall 5-8 September 2011, San Francisco (United States).
  • C. Ibars, R. Milito, P. Monclus, Radio resource allocation for a high Capacity vehicular access network, in Proceedings of the IEEE 4th International Symposium on Wireless Vehicular Communications: WIVEC2011, 5-6 September, 2011, San Francisco (USA).
  • A. Petrescu, M. Boc, C. Ibars, Joint IP networking and radio architecture for vehicular networks, in Proceedings of the 11th International Conference on Telecommunications for Intelligent Transport Systems (ITST-2011), August 23-25, 2011, St. Petersburg (Russia).
  • G. Cocco, D. Gunduz, C. Ibars, Throughput analysis in asymmetric two-way relay channel with random access, in Proceedings of the IEEE International Conference on Communications (ICC2011), 5-9 June 2011, Kyoto (Japan).
  • G. Cocco, C. Ibars, D. Gunduz, O. d. R. Herrero, Collision resolution in multiple access networks with physical-layer network coding and distributed fountain coding, in Proceedings of the IEEE 36th International Conference on Acoustics, Speech and Signal Processing (ICASSP 2011), 22-27 May 2011, Prague (Czech Republic).
  • G. Cocco, C. Ibars, D. Gunduz, O. d. R. Herrero, Collision resolution in slotted ALOHA with multi-user physical-layer network coding, in Proceedings of the IEEE 73rd Vehicular Technology Conference (VTC2011-Spring), 15-18 May 2011, Budapest (Hungary).


2010:

  • C. Ibars, M. Navarro, L. Giupponi, Distributed Demand Management in Smart Grid with a Congestion Game, in Proceedings of IEEE First Int'l Conference on Smart grid communications, IEEE SmartGridComm 2010, 4-6 October 2010, Gaithersburg, Maryland (USA).
  • A. Mollfulleda, C. Ibars, J. Mateu, UWB receiver based on microwave filter bank, in Proceedings of IEEE Int'l Conference on Ultra Wideband (ICUWB), Nanjing, China, Sept. 20-23 2010.
  • G. Cocco, C. Ibars, Oscar del Rio Herrero, Cooperative satellite to land mobile gap-filler-less interactive system architecture, in Proceedings of the IEEE 5th Advanced Satellite Mobile Systems Conference and the 11th Signal Processing for Space Communications Workshop (ASMS/SPSC 2010), 13-15 September 2010, Cagliari (Italy).
  • L. Giupponi, C. Ibars, Distributed Interference Control in OFDMA-based Femtocells, in Proceedings of IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2010), 26-29 Sept. 2010, Istambul, Turkey.
  • A. Moragrega, C. Ibars, Performance Analysis of Cooperative and Range Based Localization Algorithms for Zigbee and 802.15.4a Wireless Sensor Networks, in Proceedings of IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2010), 26-29 Sept. 2010, Istambul (Turkey).
  • C. Ibars, L. Giupponi, Distributed Multiple Access and Flow Control for Wireless Network Coding, in Proceedings of IEEE 71st Vehicular Technology Conference: VTC2010-Spring 16–19 May 2010, Taipei, Taiwan


2009:

  • L. Giupponi, C. Ibars, Misbehaviour detection in Cognitive and Cooperative Networks, in Proceedings of IEEE Global Communications Conference, (IEEE GLOBECOM 2009), 30-4 December 2009, Honolulu, Hawaii (USA).
  • A. Moragrega, X. Artiga, C. George-Gavrincea, C. Ibars, M. Navarro, M. Nájar, P. Miškovský, Jr., F. Mira, M. Di Renzo, Ultra-Wideband Testbed for 6.0-8.5 GHz Ranging and Low Data Rate Communication, in Proceedings of IEEE 6th European Radar Conference (EuRAD 2009), of the European Microwave Week 2009 (EuMW 2009), 30-2 October 2009, Rome (Italy).
  • A. Moragrega, C. Ibars, X. Artiga, Digital transmitter based on spread spectrum codes for Ultra-Wideband, in Proceedings of XXIV Simposium Nacional de la Unión Científica Internacional de Radio (URSI'09), 16-18 September 2009, Santander (España).
  • C. George-Gavrincea, X. Artiga, A. Moragrega, C. Ibars, M. Di Renzo, Flexible FPGA-DSP Solution for an IR-UWB Testbed, in Proceedings of IEEE International Conference on Ultra-Wideband (ICUWB 2009), 9-11 September 2009, Vancouver (Canada).
  • L. Giupponi, C. Ibars, Bayesian Potential Games to Model Cooperation for Cognitive Radios with Incomplete Information, in Proceedings of IEEE International Conference on Communications (ICC 2009), 14-18 June 2009, Dresden (Germany).
  • A. Moragrega, C. Ibars, Y. Geng, Energy efficiency of a cooperative Wireless Sensor Network, in Proceedings of Second International Workshop on Cross Layer Design, (IWCLD 2009), 11-12 June 2009, Palma de Mallorca (Spain).
  • L. Giupponi, C. Ibars, Cooperation for Cognitive Radios with Incomplete Information, in Proceedings of NEWCOM++, ACoRN Joint Workshop, 30-1 April 2009, Barcelona (Spain).


2008:

  • A. Pérez-Neira, C. Ibars, J. Serra, A. del Coso, J. Gómez, M. Caus, MIMO Applicability to Satellite Networks, Proc. 10th International Workshop on Signal Processing for Space Communications, 2008.
  • Z. Ahmad, A. del Coso, and C. Ibars, TDMA network design using decode-and-forward relays with finite set modulation, Proc. of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2008), Cannes, France, September 2008.
  • S. Pfletschinger, C. Ibars Rate Adaptation Strategies for OFDMA, Proc. 10th International Symposium on Spread Spectrum Techniques and Applications, 2008.
  • A. del Coso, and C. Ibars, Multi-access channels with multiple decode-and-forward relays: rate region and asymptotic sum-rate, to appear in the 9th IEEE International Workshop on Signal Processing Advances for Wireless Communications (SPAWC2008), Recife, Brazil, July 2008. pdf
  • G. Cocco and C. Ibars, Fair cooperation protocol for wireless mesh networks based on time-space volumes, Proc. ICT Mobile Summit, Stockholm, June 2008.

2007:

  • Maci, S. Lindmark, B. Freni, A. Breinbjerg, O. Raisanen, A. Laheurte, J-M. Mahdjoubi, K. Frezza, F. Vecchi, G. Jofre, L. Perez, M. Sierra Ferrando, M. Kildal, P. S. Skrivervik, A. Gerini, G. Dubard, J. L. Casali, B. Manteuffel, D. Bucci, O. Wiesbeck, W. Mazanek, M. Sipus, Z. Hall, P. Ibars, C., The European School of Antennas: results and perspectives, Proc. 2nd European Conference on Antennas and Propagation (Eucap), Nov. 2007.
  • A. del Coso and C. Ibars, The amplify-based multiple-relay multiple-access channel: capacity region and MAC-BC duality, Proc. IEEE Information Theory Workshop (ITW2007), Bergen, Norway, July, 2007.
  • C. Ibars, A. del Coso, Yan Grunenberger, Fabrice Theoleyre and Franck Rousseau, Increasing the throughput of wireless mesh networks with cooperative techniques, Proc. 16th IST Mobile & Wireless Communications Summit, Budapest, Hungary, July, 2007.
  • A. del Coso, N. Zorba, C. Ibars and A.I. Pérez-Neira, Cooperative Round Robin multiple access networks for joint rate and QoS enhancement, Proc. 8th IEEE International Workshop on Signal Processing Advances for Wireless Communications (SPAWC2007), Helsinky, Finland, Jun. 2007.
  • A. del Coso, C. Ibars, Achievable rates for Gaussian multiple relay channels with linear relaying functions, Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2007), Hawaii,USA, June, 2007.
  • A. del Coso, and C. Ibars, Partial decoding for synchronous and asynchronous Gaussian multiple relay channels, Proc. IEEE International conference in conmmunications (ICC07), Glasgow, UK, June 2007.
  • A. del Coso, O. Simeone, Y. Bar-ness and C. Ibars, Space-time coded cooperative multicasting with maximal ratio combining and incremental redundancy, Proc. IEEE International conference in conmmunications (ICC07), Glasgow, UK, June 2007.
  • S. Ahmed, C. Ibars, A. del Coso, A. Mohammed, Performance of multi-channel MAC incorporating opportunistic cooperative diversity, Proc. IEEE Vehicular Technology Conference, Spring, 2007.

2006:

  • A. del Coso, O. Simeone, Y. Bar-ness and C. Ibars, Outage capacity of two phase space-time coded cooperative multicasting, Proc. 40th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2006.
  • C. Ibars and M. Realp, Performance of random access in multi-beam satellite systems with inter-beam interference, Proc. 9th International Workshop on Signal Processing for Space Communications, Noordwijk, The Netherlands, Sept. 11-13, 2006.
  • A. Mollfulleda, C. Ibars, J. Leyva and L. Berenguer, Practical demonstration of filterbank receiver for ultra-wideband radios, Proc. 9th European Conference on Wireless Technology, Manchester, United Kingdom, Sept. 10-12, 2006.
  • X. Jover, M. Realp, C. Ibars, Ch.Verikoukis, Analysis and Simulation of a Multibeam Satellite Network with Cross-layer Techniques, in Proc. 3rd Advanced Satellite Mobile Systems Conference (ASMS 2006). Hof Herrsching am Ammersee (Germany), May 29-31 2006.
  • A. del Coso and C. Ibars, Spatial diversity of cluster-based cooperative wireless sensor networks, Proc. MSRI Workshop on Mathematics of Relaying and Cooperation in Communication Networks, Berkeley, USA, Apr. 2006
  • A. del Coso and C. Ibars, Bounds on ergodic capacity of multirelay cooperative links with channel state information, accepted in Wireless Communications and Networking Conference (WCNC), Las Vegas, NV, 2006.
  • A. del Coso, S. Savazzi, U. Spagnolini and C. Ibars, Virtual MIMO channels in cooperative multi-hop wireless sensor networks, In Proc. 40th Annual Conference in Information Sciences and Systems (CISS), Princeton, USA, Mar. 2006.
  • A. Mollfulleda, M. Nájar, P. Miskovsky, J. A. Leyva, L. Berenguer, C. Ibars, M. Navarro, QUETZAL: Qualified Ultra-wideband Testbed For Reduced Data-rates And Location, in Proc IEEE/Create-net International Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM 2006). Barcelona (Spain), March 1-3 2006

2005:

  • A. del Coso and C. Ibars, Capacity of decode-and-forward cooperative links with full channel state information, Proc. 39th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 4-6 2005.
  • A. Mollfulleda, M. Nájar, P. Miskovsky, C. Ibars, J. Mateu, and M. Navarro, Ultra-wideband testbed for reduced data rates and location, Proc. IEEE International Conference on Ultra-Wideband (ICU 2005), Zurich (Switzerland), Sept. 5-8 2005.
  • C. Ibars and M. Navarro, Reduced complexity iterative multiuser detector for beyond 3G CDMA systems, IST Mobile and Wireless Communications Summit, Dresden, Germany, June 2005.
  • C. Ibars, Combined TD/CD multiplexing for satellite broadcast channels with suboptimal decoding, Proc. 39th. Annual Conference on Information Sciences and Systems (CISS), Baltimore, Maryland, March 2005.

2004 and earlier:

  • C. Ibars and S. Pfletschinger, Iterative multiuser receiver for multi-resolution broadcasting, Proc. 38th Asilomar conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2004.
  • D. Bartolomé, A. I. Pérez-Neira, and C. Ibars, Practical bit loading schemes for multi-antenna multi-user wireless OFDM systems, Proc. 38th Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2004.
  • C. Ibars, M. Tan and Y. Bar-Ness, Equal SNR power distribution for generalized DFE structures, Proc. Wireless Communications and Networking Conference (WPMC), Abano Terme, Italy, Sept. 2004.
  • M. Tan, C. Ibars, and Y. Bar-Ness, Performance comparison of MC-CDMA and OFDMA with adaptive resource allocation in Infostations, Proc. 37th. Annual Conference on Information Sciences and Systems (CISS), Baltimore, Maryland, March 2003.
  • C. Ibars, M. Tan, and Y. Bar-Ness, Adaptive transmission for infostation systems: a MC-CDMA implementation, Proc. 36th Asilomar conference on Signals, Systems and Computers, vol.2, pp.1223-1227, Pacific Grove, CA, Nov. 2002.
  • M. Tan, C. Ibars, and Y. Bar-Ness, Rate-adaptive convolutional coded fixed spreading length CCFSL multi-rate transmission schemes for MC-CDMA, Proc. WPMC'02, vol. 2, pp. 663-667, Honolulu, HI, Oct. 2002.
  • C. Ibars and Y. Bar-Ness, Outage capacities of a multi-carrier WLAN downlink under different resource sharing techniques, Proc. IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), pp. 144-149, Prague, Czech Republic, Sept. 2002.
  • C. Ibars and Y. Bar-Ness, OFDM detection in a macrodiversity system with multiple frequency offsets, Proc. 3G Wireless, San Francisco, CA, May 2002.
  • C. Ibars and Y. Bar-Ness, The principle of time-frequency duality of DS and MC CDMA, Proc. 36th. Annual Conference on Information Sciences and Systems (CISS), Princeton, New Jersey, March 2002.
  • C. Ibars and Y. Bar-Ness, Rate-adaptive coded multiuser OFDM for downlink wireless systems, Multi-Carrier Spread-Spectrum & Related Topics, pp. 199-207, K. Fazel and S. Kaiser Eds., Kluwer, 2002.
  • C. Ibars and Y. Bar-Ness, Comparing the performance of coded multiuser OFDM and multi-carrier CDMA, Proc. IEEE Global Communications Conference (Globecom'01), vol. 2, pp. 881-885. San Antonio, TX, USA, Nov. 2001.
  • C. Ibars and Y. Bar-Ness, Interference cancellation for downlink TDMA systems using smart antennas, Proc. IEEE Global Communications Conference (Globecom'99), vol. 4, pp. 2233-2237, Rio de Janeiro, Brazil, Dec. 1999.

:: Ph. D. thesis

Capacity, coding, and interference cancellation in multiuser multicarrier wireless communications systems, 2003.

Patents

  • Method for estimating the time of arrival in ultra-wideband systems, (PCT/EP2006/066529), 2008.(co-inventor)
  • System and Method for Transport, Network, Translation, and Adaptive Coding in a Vehicular Network

Environment, US Patent (13/114,659) filed May 24, 2011.(co-inventor)

  • System and Method for Enabling a Vehicular Access Network in a Vehicular Environment, US Patent

(13/118,024) filed May 27, 2011.(co-inventor)



How to Work With Less Paper

I am taking actions to reduce the amount of paper used at work. The main reasons are:

  • If you take work home you have to carry all the stuff that you might need and never end up using, and it's really heavy!
  • If you are a despistado, it is nice to have everything on a computer and be able to find it with Google Desktop.
  • I'm absolutely convinced that you can work more efficiently.
  • Using paper means cutting trees, spending money, more trucks on the road to haul it around, etc. (perhaps the most obvious reason)

Surprisingly, you can actually work using almost no paper just by changing your habits a little bit. For example:

  • Do not print draft documents; keep them electronic and use underlining and comment tools from MSWord or Acrobat.
  • Clean up your hard drive. Separate the documents that you have written or read from the hundreds of papers that you keep but haven't read and don't plan to. This is really important! If you think of it, you probably print important stuff just to reassure yourself that it won't end up lost in your computer.
  • When your instinct tells you to hit the print button, save whatever it is in a specific folder and go back to it when you plan to read it. If you read a paper, underline and make comments using Acrobat and save it with a suffix that indicates that it has been read and has comments on it.
  • Make frequent and numerous backups of your files. If you are a little paranoid (like me), maybe you print important stuff just because it's safer having it on paper than on a computer file, which is not necessarily true.
  • Reading from screen is annoying, so you should probably print the papers that you read thoroughly. But, before printing take a quick look to see if the paper is really worth reading for you (you will discard many in this way). You can read on screen if you are just interested in parts of it. Increasing font size makes it les annoying to me.
  • Use a laptop to go to meetings. Syncrhonize your laptop folders with your desktop or network disk folders. Write comments on a text file. If you don't have one, use a pen drive and go to a room with a computer.
  • Treat all paper as scrap paper. Get rid of it ASAP.
  • Use your smartphone to download notes, shopping lists, Electronic flight tickets and hotel reservations, maps, etc.
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