University of Southern California NetPD Lab of Department of Electrical Engineering The USC Andrew and Erna Viterbi School of Engineering USC
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Publications by Research Project:

  1. Mobility-assisted communication: Efficient routing in intermittently connected networks, e.g. mobile ad-hoc, delay tolerant and disruptive tolerant networks
  2. Scheduling, rate and congestion control for multi-hop wireless networks, e.g. mesh and sensor networks
  3. Using lower layer techniques, e.g. directional antennas, multiple packet reception, and a low-SNR channel for control plane information, to improve the performance of multi-hop wireless networks
  4. Network downscaling: Enabling scalable network performance prediction and analysis
  5. Modelling the performance and incentive schemes for peer to peer networks
  6. Network flow and congestion control for wired, Internet-like networks
  7. Modeling spatially-correlated sensor network data
  8. Web caching, web performance and information management on the web


  1. Mobility-assisted communication: Efficient routing in intermittently connected networks, e.g. mobile ad-hoc, delay tolerant and disruptive tolerant networks

  2. Scheduling, rate and congestion control for multi-hop wireless networks, e.g. mesh and sensor networks

  3. Using lower layer techniques, e.g. directional antennas, multiple packet reception, and a low-SNR channel for control plane information, to improve the performance of multi-hop wireless networks
    • Published:

  4. Network downscaling: Enabling scalable network performance prediction and analysis

  5. Modelling the performance and incentive schemes for peer to peer networks
    • Published:
      1. Performance Analysis of BitTorrent-like Systems with Heterogeneous Users, Wei-Cherng Liao, Fragkiskos Papadopoulos , and Konstantinos Psounis, Performance Evaluation, Elsevier, Vol. 64, Issues 9–12, pp. 876-891, October 2007. (Also in Proceedings of the 26th International Symposium on Computer Performance, Modeling, Measurements and Evaluation (IFIP Performance 2007), pp. 876-891, Cologne, Germany, October 2007.)
      2. A Peer-to-Peer Cooperation Enhancement Scheme and its Performance Analysis, Wei-Cherng Liao, Fragkiskos Papadopoulos, and Konstantinos Psounis, Journal of Communications, Vol. 1, No. 7, pp. 24–35, November/December 2006.
      3. An Efficient Algorithm for Resource Sharing in Peer-to-peer Networks, Wei-Cherng Liao, Fragkiskos Papadopoulos, and Konstantinos Psounis, Lecture Notes in Computer Science, Springer-Verlag, Vol. 3976/2006, pp. 592–605, May 2006. (Also in Proceedings of IFIP Networking 2006, pp. 592–605, Coimbra, Portugal, May 2006.)
    • Journals under submission:
      1. Modelling BitTorrent-like Systems in Heterogeneous Environments, Wei-Cherng Liao, Fragkiskos Papadopoulos, and Konstantinos Psounis, CENG-2007-2 Technical Report, University of Southern California, December 2007. (under submission)

  6. Network flow and congestion control for wired, Internet-like networks

  7. Modeling spatially-correlated sensor network data

  8. Web caching, web performance and information management on the web