Last updated on Aug. 22, 2006.
HOME
June Chul Roh and Bhaskar D. Rao, "Multiple Antenna Channels with Partial Channel State Information at the Transmitter," IEEE Trans. Wireless Communications, vol. 3, no. 2, pp. 677-688, Mar. 2004. [PDF, 425KB]
June Chul Roh and Bhaskar D. Rao, "Transmit Beamforming in Multiple-Antenna Systems with Finite Rate Feedback: A VQ-Based Approach," IEEE Trans. Information Theory, vol. 52, no. 3, pp. 1101-1112, Mar. 2006. [PDF, 554KB]
June Chul Roh and Bhaskar D. Rao, "Design and Analysis of MIMO Spatial Multiplexing Systems with Quantized Feedback," IEEE Trans. Signal Processing, vol. 54, no. 8, pp. 2874-2886, Aug. 2006. [PDF, 630KB]
June Chul Roh and Bhaskar D. Rao, "Efficient Feedback Methods for MIMO Channels Based on Parameterizations," IEEE Trans. Wireless Communications, vol. 6, no. 1, pp. 282-292, Jan. 2007. [PDF, 1030KB]
June Chul Roh and Bhaskar D. Rao, "MIMO Spatial Multiplexing Systems with Limited Feedback," IEEE International Conference on Communications (ICC) 2005, Seoul, Korea, May 2005.
June Chul Roh and Bhaskar D. Rao, "Performance Analysis of Multiple Antenna Systems with VQ-Based Feedback," 38th Asilomar Conference on Signals, Systems, and Computers 2004, Pacific Grove, CA, Nov. 2004.
June Chul Roh and Bhaskar D. Rao, "Vector Quantization Techniques for Multiple-Antenna Channel Information Feedback," International Conference on Signal Processing and Communications (SPCOM ) 2004, Bangalore, India, Dec. 2004. [PDF, 107KB]
June Chul Roh and Bhaskar D. Rao, "Channel Feedback Quantization Methods for MISO and MIMO Systems," IEEE International symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2004, Barcelona, Spain, Sep. 2004. [PDF, 311KB]
June Chul Roh and Bhaskar D. Rao, "An Efficient Feedback Method for MIMO Systems with Slowly Time-Varying Channels," IEEE Wireless Communications and Networking Conference (WCNC) 2004, Atlanta, GA, Mar. 2004. [PDF, 311KB]
Chandra Murthy, June Chul Roh and Bhaskar D. Rao, "Optimality of Extended Maximum Ratio Transmission," 6th Baiona Workshop on Signal Processing in Communications, Baiona, Spain, Sep. 2003. [PDF, 95KB]
June Chul Roh and Bhaskar D. Rao, "Multiple Antenna Channels with Partial Feedback," IEEE International Conference on Communications (ICC) 2003, Anchorage, AK, May 11-15, 2003. [PDF, 141KB]
June Chul Roh and Bhaskar D. Rao, "An Improved Transmission Strategy for Multiple Antenna Channels with Partial Feedback," 36th Asilomar Conference on Signals, Systems, and Computers 2002, Pacific Grove, CA, Nov. 3-6, 2002. [PDF, 132KB]
June Chul Roh and Bhaskar D. Rao, "Adaptive Modulation for Multiple Antenna Channels,"36th Asilomar Conference on Signals, Systems, and Computers 2002, Pacific Grove, CA, Nov. 3-6, 2002. [PDF, 162KB]
Dong In Kim and June Chul Roh, "Performance of Slotted Asynchronous CDMA Using Controlled Time of Arrival," IEEE Trans. on Commun., vol. 47, no. 3, pp. 454-463, Mar. 1999. Abstract [HTML], Full paper [PDF, 493KB]
Dong In Kim and June Chul Roh, "Random Assignment/Transmitter-oriented Code Scheme for Centralized DS/SSMA Packet Radio Networks," IEEE J. Select. Area. Commun., vol. 14, no. 8, pp. 1560-1568, Oct. 1996. Summary [HTML], Full paper [PDF, 971KB]
June Chul Roh, Yong Ho Kim, Ki Hwan Ahn, Han Sup Lee, and Hyun Myung Pyo, "Korea Telecom IMT-2000 Testbed Based on Inter-cell Asynchronous Wideband CDMA," ACTS Mobile Commun. Summit '99, Sorrento, Italy, June 8-11, 1999, pp. 901-906. [PDF, 67KB]
June Chul Roh, Yong Ho Kim, Chan Eui Yun, Hyun Myung Pyo, and Gilsoon Kang, "Wideband CDMA Modem for Korea Telecom IMT-2000 Testbed System," International Conference on Communication Technology (ICCT) '98, Beijing, China, Oct. 22-24, 1998, pp. S22-06~S22-06-05. [PDF, 105KB]
Yong Ho Kim, June Chul Roh, Hyun Myung Pyo, and Myung Sang Yoon, "Korea Telecom IMT-2000 Testbed Based on Wideband CDMA Technologies," ACTS Mobile Commun. Summit '98, Rhodes, Greece, June 8-11, 1998, pp. 691-696. [PDF, 72KB]
Dong In Kim and June Chul Roh, "RA/T Spreading Code Scheme for Centralized DS/SSMA Packet Radio Networks," IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA) '96, Mainz, Germany, Sep. 22-25, 1996, pp. 1108-1112. [PDF, 752KB]
Dong In Kim and June Chul Roh, "Random Access with Controlled Time of Arrival for Distributed Spread-Spectrum Packet Radio Networks," IEEE International Conference on Communications (ICC) '95, Seattle, USA, June 1995, pp. 1860-1864. [PDF, 733KB]
June Chul Roh and Dong In Kim, "Performance of RA-T Spread-Spectrum Transmission Scheme for Centralized DS/SSMA Packet Radio Networks," Journal of Korea Institute of Telematics and Electronics (KITE), vol. 33, no. 6, pp. 961-972, June 1996 (in Korean).
June Chul Roh and Dong In Kim, "Throughput Analysis for Random Access with Controlled Time of Arrival for Distributed Spread-Spectrum Packet Radio Networks," Journal of Korean Institute of Communications Sciences (KICS), vol. 20, no. 5, pp. 1198-1212, May 1995 (in Korean).
June Chul Roh and Dong In Kim, "Multiple Access Schemes for Wireless Data Communication Systems," Proc. KITE, vol. 21, no. 7, pp. 27-36, July 1994 (in Korean).
June Chul Roh and Dong In Kim, "Random Assignment-Transmitter-Based Protocol for Centralized Spread-Spectrum Packet Radio Networks," J. KICS, vol. 19, no. 4, pp. 729-739, Apr. 1994 (in Korean).
June Chul Roh, Yang Ho Choi, and Hyun Myung Pyo, "Performance of a CDMA Acquisition Using Double-Dwell Serial Search and Its Implementation," Joint Conference on Communications and Information '97 (JCCI'97), pp. 405-409, May 1997 (in Korean).
Dong In Kim and June Chul Roh, "RA/T code protocols for CDMA packet radio networks," IEEE VTS Korea Chapter & KICS '96 Wireless Communications Workshop, pp. 97-101, Jan. 1996.
June Chul Roh and Dong In Kim, "Random Assignment-Transmitter-Based Protocol for Centralized Spread-Spectrum Packet Radio Networks," JCCI'94, pp. 70-74, Apr. 1994 (in Korean).
June Chul Roh, Multiple-Antenna Communication Systems with Finite Rate Feedback, Dept. Electrical and Computer Engineering, University of California, San Diego (UCSD), April 2005.
Advisor: Prof. Bhaskar D. Rao.
June Chul Roh, Research on Multiple Access Schemes for Spread-Spectrum Packet Radio Networks, Dept. Electronics Engineering, University of Seoul, Feb. 1995.
Advisor: Prof. Dong In Kim.