Multiple Antenna Research and Solutions

MARS MARS is a research group on multiple antenna and space time coding in the Mathematical Sciences Research Center at Bell Laboratories, Lucent Technologies.

Bert Tom M. Wim Ibrahim Ken Babak Al Peter Tom R. Shlomo Amin Emre Ruediger Alice Stephan

Team Members
Bert Hochwald
Tom Marzetta
I. Abou-Faycal, MIT
Dakshi Agrawal, IBM
Stephan ten Brink, formerly Lucent, now Realtek, Irvine, CA
Ken Clarkson, Computing Sciences Research, Bell Labs
Babak Hassibi, Caltech
Al Hero, Univ. of Michigan
Peter Oswald, Computing Sciences Research, Bell Labs
Tom Richardson, Flarion
Shlomo Shamai (Shitz), Technion
Amin Shokrollahi, EPFL, Switzerland
Wim Sweldens, Lucent Technologies
Emre Telatar, EPFL, Switzerland
Rüdiger Urbanke, EPFL, Switzerland
Alice Zheng, Berkeley


Below you can find papers from our group in reverse chronological order. If you want to be notified of additions to this list please enter your e-mail address below. Your address will be kept confidential and only used for sending updates. Updates happen not more than once a month.
  1. On the Outage Capacity of Correlated Multiple-Path MIMO Channels (A. L. Moustakas and S. H. Simon)
  2. Capacity and Character Expansions: Moment Generating Function and Other Exact Results for MIMO Correlated Channels (S. H. Simon, A. L. Moustakas and L. Marinelli)
  3. Communication Over a Wireless Network with Random Connections (R. Gowaikar, B. Hochwald, B. Hassibi)
  4. Fast Transfer of Channel State Information in Wireless Systems (T. Marzetta, B. Hochwald)
  5. Eigenvalue Density of Correlated Complex Random Wishart Matrices (S. Simon, A. Moustakas)
  6. Capacity of Differential versus Non-Differential Unitary Space-Time Modulation for MIMO Channels (A. Moustakas, S. Simon, T. Marzetta)
  7. A Vector-Perturbation Technique for Near-Capacity Multi-Antenna Multi-User Communication (C. Peel, B. Hochwald, L. Swindlehurst)
  8. Capacity Bounds for Gaussian Vector Broadcast Channels (S. Vishwanath, G. Kramer, S. Shamai, S. Jafar, A. Goldsmith)
  9. Optimality of Beamforming in Multiple Transmitter Multiple Receiver Communication Systems with Partial Channel Knowledge (S. Simon, A. Moustakas)
  10. Design of Low-Density Parity-Check Codes for Multi-Antenna Modulation and Detection (S. ten Brink, G. Kramer, A. Ashikhmin)
  11. Multi-Antenna Channel-Hardening and its Implications for Rate Feedback and Scheduling (B. Hochwald, T. L. Marzetta, V. Tarokh)
  12. Optimizing Multi-Transmitter Single-Receiver (MISO) Antenna Systems with Partial Channel Knowledge (A. Moustakas, S. Simon)
  13. Optimizing MIMO Antenna Systems with Channel Covariance Feedback (S. Simon, A. Moustakas)
  14. MIMO Capacity Through Correlated Channels in the Presence of Correlated Interferers and Noise: A (not so) Large N Analysis (A. Moustakas, S. Simon, A. Sengupta)
  15. The Use of Diversity Antennas in High-Speed Wireless Systems: Capacity Gains, Fairness Issues, Multi-User Scheduling (S. Borst, P. Whiting)
  16. Achieving Near-Capacity on a Multiple-Antenna Channel (B. Hochwald, S. ten Brink)
  17. Multiple Antennas and Isotropically-Random Inputs: The Received Density in Closed Form (B. Hassibi, T. Marzetta)
  18. Cayley Differential Unitary Space-Time Codes (B. Hochwald, B. Hassibi)
  19. Multiuser Capacity in Block Fading with no Channel State Information (S. Shamai, T. Marzetta)
  20. Fully-Diverse Multiple-Antenna Signal Constellations and Fixed-Point-Free Lie Groups (B. Hassibi, M. Khorrani)
  21. A Note on Double-Antenna Diagonal Space-Time Codes (A. Shokrollahi)
  22. Design of Unitary Space-Time Codes from Representations of SU(2) (A. Shokrollahi)
  23. Computing the Performance of Unitary Space-Time Group Constellations from their Character Table (A. Shokrollahi)
  24. High-Rate Codes that are Linear in Space and Time (B. Hassibi, B. Hochwald)
  25. How Much Training is Needed in Multiple-Antenna Wireless Links? (B. Hassibi, B. Hochwald)
  26. Representation Theory for High-Rate Multiple-Antenna Code Design (B. Hassibi, B. Hochwald, A. Shokrollahi, W. Sweldens)
  27. On Computational Cut-off Rate for Space-Time Coding (A. Hero, T. Marzetta)
  28. Structured Unitary Space-Time Autocoding Constellations (T. Marzetta, B. Hassibi, B. Hochwald)
  29. Space-Time Autocoding (B. Hassibi, B. Hochwald, T. Marzetta)
  30. Fast Multiple Antenna Differential Decoding (K. Clarkson, W. Sweldens, A. Zheng)
  31. On Codes for Multiple-Antenna Differential Coding (P. Oswald)
  32. Differential Unitary Space-Time Modulation (B. Hochwald, W. Sweldens)
  33. An Efficient Square-Root Algorithm for BLAST (B. Hassibi)
  34. Blast Training: Estimating Channel Characteristics for High Capacity Space-Time Wireless (T. Marzetta)
  35. Systematic Design of Unitary Space-Time Constellations (B. Hochwald, T. Marzetta, T. Richardson, W. Sweldens, R. Urbanke)
  36. Multiple-Antenna Signal Constellations for Fading Channels (D. Agrawal, T. Richardson, R. Urbanke)
  37. Space-Time Modulation for Unknown Fading (B. Hochwald and T. Marzetta)
  38. Adapting a Downlink Array from Uplink Measurements (B. Hochwald and T. Marzetta)
  39. Coding Requirements for Multiple-Antenna Channels with Unknown Rayleigh Fading (I. Abou-Faycal and B. Hochwald)
  40. Unitary Space-Time Modulation for Multiple-Antenna Communication in Rayleigh Flat-Fading (B. Hochwald and T. Marzetta)
  41. Capacity of a Mobile Multiple-Antenna Communication Link in Rayleigh Flat Fading (T. Marzetta and B. Hochwald}
  42. Capacity of Multi-Antenna Gaussian Channels (E. Telatar)

Related links

BLAST: Bell Labs Layered Space-Time

Bert Hochwald <>
Wim Sweldens <>