Roy T. Derryberry

Previous Scheduled Teaching

Published Intellectual Contributions

Conference Proceeding

• Derryberry, R.T., Pi, Z. (2004). Overview and performance of the cdma2000 1xEV-DV enhanced reverse link. Spread Spectrum Techniques and Applications, 2004 IEEE Eighth International Symposium on. 839–843.
• Raghothaman, B., Derryberry, R.T., Ionescu, M., Zhang, J. (2004). Systematic water-filling for turbo coded CDMA packet data transmission over MIMO channels. 3G Mobile Communication Technologies, 2004. 3G 2004. Fifth IEE International Conference on. 222–226.
• Pi, Z., Derryberry, R.T. (2003). CDMA2000 1X EV-DV reverse link system design. Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE. 1 514–519.
• Ma, L., Rong, Z., Derryberry, R.T. (2003). Performance of cdma2000 1X EV-DV system. Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual. 2 1163–1167.
• LaRocque, D., Raghothaman, B., Derryberry, T., Fry, G. (2001). Techniques for efficient wireless communication systems modeling using C++. Communications, 2001. ICC 2001. IEEE International Conference on. 10 3262–3264.
• Raghothaman, B., Mandyam, G., Derryberry, R.T. (2000). Performance of closed loop transmit diversity with feedback delay. Signals, Systems and Computers, 2000. Conference Record of the Thirty-Fourth Asilomar Conference on. 1 102–105.
• Raghothaman, B., Derryberry, R.T., Mandyam, G. (2000). Transmit adaptive array without user-specific pilot for 3G CDMA. Acoustics, Speech, and Signal Processing, 2000. ICASSP’00. Proceedings. 2000 IEEE International Conference on. 5 3009–3012.
• Derryberry, R.T., Wong, T.F., Lehnert, J.S. (1998). An iterative blind adaptive receiver for DS-SSMA systems. Military Communications Conference, 1998. MILCOM 98. Proceedings., IEEE. 1 160–164.

Journal Article

• Derryberry, R.T. TITLE: 1xEV-DV Evaluation Methodology (V11) SOURCE.
• Derryberry, R.T., Pi, Z. (2005). Reverse high-speed packet data physical layer enhancements in cdma2000 1$$ EV-DV. Other. 43 (4) 41–47. IEEE.
• Hsu, L., Derryberry, R.T., Pi, Z., Ilkka, N. (2004). 3G Evolution: cdma2000 1xEV-DV Forward and Reverse Links. Other.
• Derryberry, R.T., Hsu, A., Tamminen, W. (2004). Overview of cdma2000 revision D. Other. 1–3.
• Derryberry, R.T., Pi, Z. (2003). 1x Evolved high-speed integrated Data and Voice (1xEV-DV): Reverse Link Overview and Performance. Other. 13
• Derryberry, T.R., Gray, S.D., Ionescu, M.D., Mandyam, G., Raghothaman, B. (2002). Transmit diversity in 3G CDMA systems. Other. 40 (4) 68–75. IEEE.
• Raghothaman, B., Derryberry, R.T., Ionescu, D.M. (2001). Closed Loop Transmit Diversity with Prediction. Other. IEEE.
• Jensen, C.A., Derryberry, R.T. (1997). Autocode Generation for Use in a Rapid Prototyping Environment. Other.
• Derryberry, R.T., Dunham, J.G. (1996). Search-Based Subpixel Tracking. Other.
• Lindahl, C.E., Cockcroft, A., Derryberry, T., Sigler, J., Yablonski, M. (1990). Synthetic Multisensor Database Generation and Validation. Other. 1310

Other

• Wang, Y., Derryberry, R.T. (2004). Adaptive spreading factor based on power control. Google Patents.

US Patent

• Derryberry, R.T. (2014). Extended user input. Google Patents.
• Derryberry, R.T., Hsu, L., Cheng, M.W. (2010). Method and apparatus for switching mobile station between autonomous and scheduled transmissions. Google Patents.
• Toskala, A., Malkamaki, E., Hao, G., Rinne, M.J., Derryberry, R.T. (2009). Method and apparatus for distributed signaling for uplink rate control. Google Patents.
• Derryberry, R.T., Boariu, A., Rong, Z. (2009). Efficient HARQ control and channel quality feedback reporting for multicarrier systems. Google Patents.
• Derryberry, R.T., Rong, Z., Luukkanen, P. (2008). Apparatus and associated method, by which to facilitate scheduling of data communications in a radio communications system. Google Patents.
• Tang, C.K., El-Rayes, M., Derryberry, R.T., Mandyam, G.D. (2006). Method and apparatus providing enhanced reservation access mode for a CDMA reverse channel. Google Patents.
• Toskala, A., Malkamaki, E., Rinne, M.J., Virtanen, A., Hao, G., Derryberry, R.T. (2005). System and method for random access channel capture with automatic retransmission request. Google Patents.
• Raghothaman, B., Derryberry, R.T. (2005). Apparatus, and associated method, for facilitating antenna weight selection utilizing deterministic perturbation gradient approximation. Google Patents.
• Toskala, A., Malkamäki, E., Hao, G., Rinne, M.J., Derryberry, R.T. (2004). Two threshold uplink rate control to enable uplink scheduling. Google Patents.
• Derryberry, R.T., Raghothaman, B. (2004). Adaptive antenna transmit array with reduced CDMA pilot channel set. Google Patents.
• Wang, Y., Derryberry, R.T. (2004). Control based on adaptive spreading factor. Google Patents.
• Wang, S., Derryberry, R.T. (2003). Method and apparatus for determining whether to employ an antenna array beamforming technique. Google Patents.
• Derryberry, R.T., Gray, S.D., Rong, Z. (2002). Method and apparatus for power control on a common channel in a telecommunication system. Google Patents.
• Wang, S., Derryberry, R.T. (2002). Method and apparatus for optimizing the usage of an antenna array beamforming technique. Google Patents.

Contracts, Grants and Sponsored Research

Grant - Research

• Li, X. (Principal), Luyen, H.T. (Co-Principal), Huang, Y. (Co-Principal), Derryberry, R.T. (Supporting), "Novel Beamforming and Directional Communication Development," sponsored by Army Research Lab/Northeastern University, Federal, $397734 Funded. (2024 - 2025).
• Li, X. (Principal), Luyen, H.T. (Co-Principal), Huang, Y. (Co-Principal), Derryberry, R.T. (Supporting), "Empowering Directional Communications with Hybrid Beamforming and Deep Learning," sponsored by Army Research Lab/Northeastern University, Federal, $1694437 Funded. (2023 - 2024).