We presented a demo on MIMO-OFDM in air acoustic communications in WUWNet Sept, 2008, click here for the poster

       click here for a summary on my recent progress on multicarrier underwater acoustic communications

Underwater Acoustic Communications and Networking
  1. J.-H. Cui, J. Kong, M. Gerla and S. Zhou, ``Challenges: Building Scalable Mobile Underwater Wireless Sensor Networks for Aquatic Applications,''  IEEE Network special issue on Wireless Sensor Networking, vol. 20, no. 3, pp. 12 - 18, May-June 2006  (pdf).

  2. B. Li, S. Zhou, M. Stojanovic, L. Freitag, and P. Willett, ``Multicarrier Communication over Underwater Acoustic Channels with Nonuniform Doppler Shifts," IEEE Journal of Oceanic Engineering, April 2008 (pdf).

  3. L. Liu, S. Zhou, and J. Cui, ``Prospects and Problems of Wireless Communications for Underwater Sensor Networks,'' Wireless Communications and Mobile Computing, Oct. 2008.

  4. S. Mason, C. R. Berger, S. Zhou, and P. Willett, ``Detection, Synchronization, and Doppler Scale Estimation with Multicarrier Waveforms in Underwater Acoustic Communication,'' IEEE JSAC Special Issue on Underwater Wireless Communications and Networks, Dec. 2008.

  5. S. Mason, C. Berger, S. Zhou, K. Ball, L. Freitag, and P. Willett, ``An OFDM design for underwater acoustic channels with Doppler spread,'' in Proc. of the 13th DSP Workshop, Marco Island, FL, January 4-7, 2009.

  6. B. Li, J. Huang, S. Zhou, K. Ball, M. Stojanovic, L. Freitag, and P. Willett, ``Further results on high-rate MIMO-OFDM underwater acoustic communications,'' in Proc. of MTS/IEEE OCEANS conference, Quebec City, Canada, Sept. 15-18, 2008.

  7. S. Mason, S. Zhou, W.-B. Yang, and P. Gendron, ``A comparative study of differential and noncoherent direct sequence spread spectrum over underwater acoustic channels with multiuser interference,'' in Proc. of MTS/IEEE OCEANS conference, Quebec City, Canada, Sept. 15-18, 2008.

  8. K. Jusufi, R. Behymer, M. Hoyer, and S. Zhou, ``Designing a Three-Node Underwater Acoustic Relay Network,'' Proceedings of The National Conference On Undergraduate Research (NCUR), April 10--12, 2008 (pdf).

  9. S. Mason, C. R. Berger, S. Zhou, and P. Willett, ``Detection, Synchronization, and Doppler Scale Estimation with Multicarrier Waveforms in Underwater Acoustic Communication,'' Proc. of MTS/IEEE OCEANS conference, Kobe, Japan, April 8-11, 2008 (pdf).

  10. B. Li, S. Zhou, J. Huang, and P. Willett, ``Scalable OFDM Design for Underwater Acoustic Communications,'' Proc. of ICASSP , Las Vegas, NV, Mar. 30-Apr. 4, 2008 (pdf).

  11. B. Li, S. Zhou, M. Stojanovic, L. Freitag, J. Huang, and P. Willett, ``MIMO-OFDM Over An Underwater Acoustic Channel,'' Proc. of MTS/IEEE OCEANS conference, Vancouver, BC, Canada, Sept. 29 - Oct. 4, 2007 (pdf).

  12. H. Yan, S. Zhou, Z. Shi, and B. Li, ``A DSP Implementation of OFDM Acoustic Modem ,'' Proc. of the ACM International Workshop on UnderWater Networks (WUWNet), Montr閍l, Qu閎ec, Canada, September 14, 2007 (pdf).

  13. B. Li, S. Zhou, M. Stojanovic, L. Freitag, and P. Willett, ``Non-uniform Doppler compensation for zero-padded OFDM over fast-varying underwater acoustic channels,'' Proc. of MTS/IEEE OCEANS conference, Aberdeen, Scotland, June 18-21, 2007 (pdf).

  14. Z. Zhou, J. Cui, and S. Zhou, ``Localization for Large-Scale Underwater Sensor Networks,'' Proc. of IFIP NETWORKING, Atlanta, Georgia, USA, May 14-18, 2007.

  15. S. Mason, R. Anstett, N. Anicette, and S. Zhou, ``A broadband underwater acoustic modem implementation using coherent OFDM,'' Proc. of National Conference for Undergraduate Research (NCUR), San Rafael, California, April 2007. (This is the senior design project carried out in the 05-06 academic year; Full-length version conference paper | one-page description of the demonstration.)

  16. B. Li, S. Zhou, M. Stojanovic, and L.Freitag, ``Pilot-tone based ZP-OFDM demodulation for an underwater acoustic channel'', Proc. of MTS/IEEE OCEANS conference,, Boston, MA, Sept. 18-21, 2006 (pdf).

Coding Theory and Its Applications
  1. J. Huang, S. Zhou, J. Zhu, and P. Willett, ``Group-Theoretic Analysis of Cayley-Graph-Based Cycle GF(2^p) Codes," IEEE Transactions on Communications, submitted May 2007.

  2. J. Huang, S. Zhou, and P. Willett, ``On Regular LDPC Cycle Codes over GF(q)," IEEE Transactions on Information Theory, submitted Oct. 12, 2007.

  3. J. Huang, S. Zhou, and P. Willett, ``Nonbinary LDPC Coding for Multicarrier Underwater Acoustic Communication,'' IEEE JSAC Special Issue on Underwater Wireless Communications and Networks, Dec. 2008.

  4. J. Huang, S. Zhou, and P. Willett, ``Structure of Non-Binary Regular LDPC Cycle Codes,'' Proc. of ICASSP , Las Vegas, NV, Mar. 20-Apr. 4, 2008 (pdf).

  5. J. Huang, S. Zhou, and P. Willett, ``Nonbinary LDPC Coding for Multicarrier Underwater Acoustic Communication,'' Proc. of MTS/IEEE OCEANS conference, Kobe, Japan, April 8-11, 2008 (pdf).

Sensor Network, Wireless Positioning, and Target Tracking
  1. S. Zhou and P. Willett, ``Submarine Location Estimation via a Network of Detection-Only Sensors,'' IEEE Transactions on Signal Processing, vol. 55, no. 6, 3104-3115, June 2007. (pdf). 

  2. C. R. Berger, S. Zhou, P. Willett, and L. Liu, ``Stratification Effect Compensation for Improved Underwater Acoustic Ranging," IEEE Transactions on Signal Processing, 2008 (to appear)(pdf).

  3. D. Crouse, C. R. Berger, S. Zhou, and P. Willett, ``Optimal Memoryless Relays with Non-Coherent Modulation,'' IEEE Transactions on Signal Processing, (accepted subject to revision).

  4. D. Crouse, C. R. Berger, S. Zhou, and P. Willett, ``Explicit ML Angle Estimation for Monopulse Radar in the Presence of Sea-Surface Multipath,'' IEEE Transactions on Aerospace and Electronic Systems, submitted Feb. 1, 2008.

  5. C. R. Berger, S. Zhou, Z. Tian, and P. Willett, ``Performance Analysis on an MAP Fine Timing Algorithm in UWB Multiband OFDM," IEEE Transactions on Communications, 2008 (to appear)

  6. C. R. Berger, S. Zhou, P. Willett, B. Demissie, and J. Heckenbach, ``Compressed sensing for OFDM/MIMO radar,'' in Proc. of Asilomar Conf. on Signals, Systems, and Computers, Oct. 2008.

  7. C. R. Berger, S. Zhou, and P. Willett, ``Signal Extraction Using Compressed Sensing for Passive Radar with OFDM Signals,'' Proc. of the Fusion Conference, Cologne, Germany, July 1-3, 2007.

  8. S. Choi, C. R. Berger, S. Zhou, and P. Willett, ``Estimation of Target Trajectories Based on Distributed Channel Energy Measurements,'' Proc. of the Fusion Conference, Cologne, Germany, July 1-3, 2007.

  9. C. R. Berger, S. Zhou, Z. Tian, and P. Willett, ``Precise timing for multiband OFDM in a UWB system,'' Proc. of International Conference on Ultra Wideband, Waltham, MA, Sept. 24-27, 2006 (pdf).

Cross Layer Design
  1. Q. Liu, S. Zhou and G. B. Giannakis, ``Cross-Layer Modeling of Adaptive Wireless Links for QoS Support in Heterogeneous Wired-Wireless Networks,'' ACM/Kluwer Journal on Wireless Networks (WINET), 2006 (to appear).
  2. Q. Liu, S. Zhou, and G. B. Giannakis, ``Cross-Layer Scheduling with Predictable QoS Guarantees in Adaptive Wireless Networks,'' IEEE Journal on Selected Areas in Communications, vol. 23, no. 5, pp. 1051-1066, May 2005 (pdf).
  3. Q. Liu, S. Zhou, and G. B. Giannakis, ``Queuing with Adaptive Modulation and Coding over Wireless Links: Cross-Layer Analysis and Design,'' IEEE Transactions on Wireless Communications, vol. 4, no. 3, pp. 1142-1153, May 2005 (pdf).
  4. Q. Liu, S. Zhou, and G. B. Giannakis, ``Cross-Layer Combining of Adaptive Modulation and Coding with Truncated ARQ over Wireless Links,'' IEEE Transactions on Wireless Communications,  vol. 3, no. 5, pp. 1746-1755, Sept. 2004 (pdf).
Adaptive MIMO with Partial Channel Knowledge
  1. S. Zhou, J. Wu, Z. Wang, and M. Doroslovacki, ``Quantifying the Performance Gain of Direction Feedback in a MISO System,'' Proc. of Conf. on Info. Sciences and Systems  (CISS),  Princeton Univ., Princeton, NJ, March 22-24, 2006.
  2. S. Zhou and G. B. Giannakis, ``MIMO Communications with Partial Channel State Information,'' chapter in the book Space-Time Processing for MIMO Communications, A.B. Gershman and N. Sidiropoulos, Editors, John Wiley & Sons, 2005.
  3. S. Zhou, B. Li, and P. Willett, ``Recursive and Trellis-based Feedback Reduction for MIMO-OFDM with Rate-Limited Feedback,'' IEEE Transactions on Wireless Communications,  2006 (to appear).
  4. S. Zhou, and B. Li, ``BER Criterion and Codebook Construction for Finite-Rate Precoded Spatial Multiplexing with Linear Receivers,'' IEEE Transactions on Signal Processing, 2006 (to appear). (The precoder codebooks used in this paper are listed here).
  5. S. Zhou, Z. Wang and G. B. Giannakis ``Quantifying the Power-Loss when Transmit-Beamforming relies on Finite Rate Feedback,'' IEEE Transactions on Wireless Communications, vol. 4, no. 4, pp. 1948-1957, July 2005 (pdf).
  6. P. Xia, S. Zhou and G. B. Giannakis, ``Achieving the Welch Bound with Difference Sets,'' IEEE Transactions on Information Theory, vol. 51, pp. 1900-1907, May 2005 (pdf); (corrections).
  7. P. Xia, S. Zhou, and G. B. Giannakis, ``Multi-Antenna Adaptive Modulation with Beamforming based on Bandwidth-Constrained Feedback,'' IEEE Transactions on Communications, vol. 53, no. 3, pp. 526-536, March 2005 (pdf).
  8. S. Zhou and G. B. Giannakis, ``Adaptive Modulation for Multi-Antenna Transmissions with Channel Mean Feedback,'' IEEE Transactions on Wireless Communications, vol. 3, no. 5, pp. 1626-1636, Sept. 2004 (pdf). 
  9. S. Zhou, and G. B. Giannakis, ``How Accurate Channel Prediction Needs to be for Transmit-Beamforming with Adaptive Modulation over Rayleigh MIMO Channels?'' IEEE Transactions on Wireless Communications, vol. 3, no. 4, pp. 1285-1294, July 2004 (pdf). 
  10. P. Xia, S. Zhou, and G. B. Giannakis, ``Adaptive MIMO OFDM based on Partial Channel State Information,'' IEEE Transactions on Signal Processing, vol. 52, no. 1, pp. 202-213, January 2004 (pdf).  
  11. S. Zhou and G. B. Giannakis, ``Optimal Transmitter Eigen-Beamforming and Space-Time Block Coding based on Channel Correlations,'' IEEE Transactions on  Information Theory, vol. 49, no. 7, pp. 1673-1690, July 2003 (pdf). 
  12. S. Zhou, and G. B. Giannakis, ``Optimal Transmitter Eigen-Beamforming and Space-Time Block Coding based on Channel Mean Feedback,'' IEEE Transactions on Signal Processing , vol. 50, no. 10, pp. 2599-2613, October 2002 (pdf).
     
Space Time Coding
  1. S. Zhou, X. Ma, and K. Pattipati, ``A View on Full-Diversity Modulus-Preserving Rate-One Linear Space Time Block Codes," Signal Processing, 2006 (to appear)
  2. S. Zhou and G. B. Giannakis, ``Single-Carrier Space-Time Block Coded Transmissions over Frequency-Selective Fading Channels,'' IEEE Transactions on Information Theory, vol. 49, no. 1, pp. 164-179, January 2003 (pdf).
  3. S. Zhou and G. B. Giannakis, ``Space-Time Coding with Maximum Diversity Gains over Frequency-Selective Fading Channels,'' IEEE Signal Processing Letters,  vol. 8, no. 10, pp. 269-272, October 2001 ( pdf ). 
  4. Z. Liu, G. B. Giannakis, B. Muquet and S. Zhou, ``Space-Time Coding for Broadband Wireless Communications,'' Wireless Communications and Mobile Computing, vol. 1, no. 1, pp. 33-53, Wiley, January-March 2001 ( postscript ).
Multiuser Communciations
  1. P. Xia, S. Zhou, and G. B. Giannakis, ``Bandwidth- and Power-Efficient Multi-Carrier Multiple Access,'' IEEE Transactions on Communications, vol. 51, no. 11, pp. 1828-1837, November 2003 (pdf).
  2. X. Cai, S. Zhou, and G. B. Giannakis, ``Group-Orthogonal Multi-Carrier CDMA,'' IEEE Transactions on Communications, vol. 52, no. 1, pp. 90-99, January 2004 ( pdf ).
  3. S. Zhou, P. Xia, G. Leus, and G. B. Giannakis, ``Chip-Interleaved Block-Spread CDMA versus DS-CDMA for Cellular Downlink: A comparative study,'' IEEE Transactions on Wireless Communications, vol. 3, no. 1, pp. 176-190, January 2004 (pdf).
  4. G. Leus, S. Zhou and G. B. Giannakis, ``Orthogonal Multiple Access over Time- and Frequency-Selective Fading,'' IEEE Transactions on Information Theory, vol. 49, no. 8, pp. 1442-1450, August 2003 (pdf).
  5. S. Zhou, G. B. Giannakis and A. Swami, ``Digital Multi-Carrier Spread Spectrum versus Direct-Sequence Spread Spectrum for Resistance to Jamming and Multipath,'' IEEE Transactions on Communications, vol. 50, no. 4, pp. 643-655, April 2002 (pdf).
  6. S. Zhou, G. B. Giannakis and C. Le Martret, ``Chip-Interleaved Block-Spread Code Division Multiple Access,'' IEEE Transactions on Communications, vol. 50, no. 2, pp. 235-248, February 2002 (pdf).
  7. S. Zhou, G. B. Giannakis and A. Scaglione, ``Long Codes for Generalized FH-OFDMA in Unknown Multipath,'' IEEE Transactions on Communications, vol. 49, no. 4, pp. 721-733, April 2001 ( pdf ). 
Signal Processing for Communciations
  1. Z. Wang, S. Zhou, and G. B. Giannakis, ``Joint Coding-Precoding with Low-Complexity Turbo-Decoding,'' IEEE Transactions on Wireless Communications,  vol. 3, no. 3, May 2004 ( pdf ).
  2. S. Zhou, B. Muquet and G. B. Giannakis, ``Subspace-based (Semi-) Blind Channel Estimation for Block Precoded Space-Time OFDM,'' IEEE Transactions on Signal Processing,  vol. 50, no. 5, pp. 1215-1228, May 2002 (pdf).
  3. S. Zhou and G. B. Giannakis, ``Finite-Alphabet based Channel Estimation for OFDM and related Multi-Carrier Systems,'' IEEE Transactions on Communications, vol. 49, no.8, pp. 1402-1414, August 2001 ( pdf ). 
Miscellaneous
  1. X. Zhang, S. Zhou and P. Willett, ``Loading for Parallel Binary Channels,'' IEEE Transactions on Communications, January 2006  (to appear).