Journal Papers

• J. Gao and H. Liu, "Decision-directed estimation of MIMO time-varying Rayleigh fading channels," to appear in IEEE Trans. on Wireless Communications (accepted in June 2004).
• H. Liu, "Error performance of a pulse amplitude and position modulated ultra-wideband system in lognormal fading channels," IEEE Communications Letters, vol.7, pp.531-533, Nov. 2003.
• H. Liu, Y. Song, and R. Qiu, "The impact of fading correlation of the error performance of MIMO systems over Rayleigh fading channels," to appear in IEEE Trans. on Wireless Communications (accepted in July 2004).
• L. Xian and H. Liu, "Space-time block codes from cyclic design," to appear in IEEE Communications Letters (accepted in August 2004).
• H. Liu and Z. Siveski, "Differentially Coherent Decorrelating Detector for CDMA Single-Path Time-Varying Rayleigh Fading Channels," IEEE Trans. on Communications, vol. 47, pp. 590-597, Apr. 1999.

Conference Proceedings

• Z. Zhao, H. Liu, and Z. Tian, "A decision-feedback authcorrelation receiver for pulsed ultra-wideband systems," Proc. of IEEE 2004 Radio and Wireless Conference (Rawcon'04), Sep. 2004.
• S. Zhao, H. Liu, and S. Mo, "Performance of a multi-band ultra-wideband system over indoor wireless channels," Proc. of IEEE CCNC'04, Jan. 2004.
• V. Venkatesan, H. Liu, C. Nilsen, R. Kyker, and M. E. Magana, "Performance of an optimally spaced PPM ultra-wideband system with direct sequence spreading for multiple access," Proc. of IEEE Vehicular Technology Conference-Fall, 2003.
• H. Liu, "Error performance of MIMO systems in frequency-selective Rayleigh fading channels," Proc. of IEEE Globecom'03, Dec. 2003.
• H. Liu, V. Venkatasen, C. Nilsen, R. Kyker, M. Magana, "Performance of frequency hopped noncoherent GFSK in correlated Rayleigh fading channels," Proc. of 2003 IEEE International Conference of Communications, Anchorage, Alaska, May 11-15, 2003, pp. 2779-2783.
• A. Tjahjadi, M. Magaña, and H. Liu, "Turbo-coded OCC-CDMA with spatial diversity for wireless mobile communications," Proc. of the 15th International Conference on Wireless Communications (to appear), July 2003.
• H. Liu, "Packet queuing delay-throughput tradeoffs for WCDMA system reverse link with mixed traffic," Proc. of the 7th CDMA International Conference, vol. 2, pp. 71-74, Nov. 2002.
• H. Liu, "An iterative algorithm for path loss modeling with field measurement data," Proc. of the 7th CDMA International Conference, pp. 183-186, Seoul, Korea, Nov. 2002.
  

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