Main Results

 

  • Autonomous Spectrum Balancing: a distributed, low complexity, convergent, near-optimal solution to multi-carrier interference channel spectrum management

  • Algorithm for admission control, statistical multiplexing, and scheduling among users

  • A taxonomy of 16 graph theory problems of survivable tree design, solution to two of them

  • Solution to Broadcast Capacity Region problem for Gaussian channel proof of capacity region constructive algorithms to realize any point applicable to 100 Mbps Plus DSL copper links

  • Band Preference distributed spectrum design for interference channels achieves best (non successively decoded) interference channel problem easily and with little or no coordination among users applicable to high-speed DSL systems

  • Introduction of single-wire 250 Mbps symmetric DSLs at 500m range using phantom shield circuits

  • QPS (queue proportional scheduling methods) -- Recipients (with ChanSoo Hwang, supported by Samsung) of ICC 2006 Best Paper Award (K. Seong and J. Cioffi)