Publications

Journal

  1. L. T. Trien, K. Adachi, and Y. Yamao, "Efficient CSMA/CA packet relay-assisted scheme with payload combining for ITS V2V communication", Journal of Information Processing (2018.1) (Accepted for publication)
  2. K. Adachi, J. Joung, Y. Zhou, and S. Sun, "A distributed resource reservation scheme for handover failure reduction", IEEE Wireless Commun. Lett., vol.4, no.5, pp.537-540, Jul. 2015
  3. J. Joung, C. K. Ho, K. Adachi, and S. Sun, "A survey on power-amplifier-centric techniques for spectrum and energy efficient wireless communications", IEEE Commun. Surveys Tuts., vol.17, no.1, pp.315-333, Aug. 2014
  4. K. Adachi, J. Joung, S. Sun, and P. H. Tan, "Adaptive coordinated napping (CoNap) for energy saving in wireless networks", IEEE Trans. Wireless Commun., vol.12, no.11, pp.5656-5667, Nov. 2013
  5. K. Adachi, K. Takeda, S. Sun, and F. Adachi, "Joint cooperative-transmit and receive FDE for single-carrier incremental relaying", IEEE Trans. Veh. Technol., vol.62, no.1, pp.1-13, Jan. 2013
  6. T. Yamamoto, K. Adachi, S. Sun, and F. Adachi, "Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection", Wirel. Commun. Mob. Comput., vol.12, pp.1652–1663, Dec. 2012
  7. K. Adachi, S. Sun, and C. K. Ho, "Power minimization of cooperative relay transmission with relay's private information", IEEE Trans. Wireless Commun., vol.11, no.7, pp.2520-2530, Jul. 2012
  8. Y. Hemmi, K. Adachi, and T. Ohtsuki, "Subcarrier mapping for single-user SC-FDMA relay communications", IEICE Trans. Fundamentals, vol.E94-A, no.12, pp.2776-2779, Dec. 2011
  9. N. Lynn, O. Takyu, K. Adachi, T. Ohtsuki, M. Nakagawa, "An autonomous selective cooperative ARQ protocol for hybrid mobile wireless sensor networks", J. of Commun., vol.6, no.2, pp.157-167, Apr. 2011
  10. T. Yamasaki, O. Takyu, K. Adachi, Y. Umeda, and M. Nakagawa, "Phase rotation for constructing uniform frequency spectrum in IFDMA communication", IEICE Trans. Commun., vol.E93-A, no.12, pp.2672-2681, Dec. 2010
  11. K. Adachi and M. Nakagawa, "On the construction of orthogonal spreading code groups for MC-CDMA with FDE in a frequency selective channel", IEICE Trans. Commun., vol.E93-B, no.3, pp.650-659, Mar. 2010
  12. K. Adachi, F. Adachi, and M. Nakagawa, "Channel capacity of MC-CDMA and impact of residual ICI", IEICE Tran. Commun., vol.E92-B, no.1, pp.209-218, Jan. 2009
  13. K. Adachi, F. Adachi, and M. Nakagawa, "On cellular MIMO channel capacity", IEICE Trans. Commun., vol.E91-B, no.7, pp.2366-2373, Jul. 2008
  14. Y. Fukuyama, O. Takyu, K. Adachi, and M. Nakagawa, "Relay method of sending soft decision symbol based on the result of error detecting code in cooperative communication", IEICE Trans. Fundamentals, vol.E90-A, no.11, pp.2404-2412, Nov. 2007
  15. K. Adachi and M. Nakagawa, "Theoretical analysis of decision directed block iterative channel estimation for OFDM mobile radio", IEICE Trans. Commun., vol.E90-B, no.7, pp.1764-1772, Jul. 2007
  16. K. Adachi and M. Nakagawa, "Iterative modified QRD-M based on CRC codes for OFDM MIMO Multiplexing", IEICE Trans. Commun., vol.E90-B, no.6, pp.1433-1443, Jun. 2007
  17. K. Adachi, R. Esmailzadeh, and M. Nakagawa, "Iterative QRM-MLD with pilot assisted decision directed channel estimation for OFDM MIMO multiplexing", IEICE Trans. Fundamentals, vol.E89-A, no.7, pp.1892-1902, Jul. 2006

International Conference

  1. S. Sun, K. Adachi, P. H. Tan, Y. Zhou, and E. Kurniawan, "Cognitive HetNet for 5G", Proc. IEEE Asia Pacific Wireless Commun. Symp. (APWCS) 2016, Tokyo, Japan, Aug. 2016.
  2. K. Adachi, M. Li, P. H. Tan, Y. Zhou, and S. Sun, "Q-learning based intelligent traffic steering", Proc. IEEE Veh. Technol. Conf. (VTC)'16-spring, pp.1-5, May, 2016
  3. A. Khadka, K. Adachi, S. Sun, H. Zhou, and J. Wang, "Cooperative transmission strategy for downlink distributed antenna systems over time-varying channel", Proc. IEEE Global Telecommun. Conf. (GLOBECOM) 2015, pp.1-6, Dec. 2015
  4. S. Sun, P. H. Tan, Y. Zhou, K. Adachi, M. Li, "AP based traffic steering for LTE-Wi-Fi networks", Proc. IEEE Int. Conf. on Commun. in China (ICCC) 2015, pp.907-911, Nov. 2015 (Invited)
  5. S. Sun, K. Adachi, P. H. Tan, Y. Zhou, J. Joung, and C. K. Ho, "Heterogeneous network: an evolutionary path to 5G", Proc. Asia-Pacific Conf. on Commun., (APCC) 2015, pp.1-5, Oct. 2015
  6. K. Adachi and S. Sun, "An asymmetric TDD distributed massive antenna system", Proc. IEEE Int. Conf. on Commun. in China (ICCC) 2013, pp.583-587, Aug. 2013
  7. P. Tarasak, K. Adachi and S. Sun, "Cell selection for TDD two-tier cellular networks based on uplink-downlink capacity", Proc. IEEE Wireless Commun. and Networking Conf. (WCNC) 2013, pp.2016-2021, Apr. 2013
  8. K. Adachi, J. Joung, S. Sun, and P. H. Tan, "Energy-saving coordinated napping (CoNap) for Wireless Networks", Proc. IEEE Global Telecommun. Conf. (GLOBECOM) 2012 Workshop, pp.1150-1154, Dec. 2012
  9. K. Adachi and S. Sun, "Power-efficient dynamic BS muting in clustered cellular system", Proc. IEEE Int. Symp. on Personal, Indoor and Mobile Radio Commun. (PIMRC) 2012, pp.1149-1154, Sep. 2012
  10. T. Yamamoto, K. Adachi, S. Sun, and F. Adachi, "Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection", Proc. 8th Int. Wireless Commun. & Mobile Computing Conf. (IWCMC) 2012, pp.407-412, Aug. 2012 (Invited)
  11. K. Adachi, J. Joung, S. Sun, and P. H. Tan, "Inter-cell coordinated napping (CoNap) for energy saving in cellular networks", Proc. IEEE Asia Pacific Wireless Commun. Symp. (APWCS) 2012, pp.1-5, Aug. 2012 (Invited)
  12. K. Adachi and S. Sun, "Inter-sector cooperative relaying for network power minimization", Proc. IEEE Veh. Technol. Conf. (VTC)'12-spring, pp.1-5, May 2012
  13. K. Takano, K. Adachi, and T. Ohtsuki, "Transmit and receive weights in vector coding with channel estimation error and feedback delay", Proc. IEEE Global Telecommun. Conf. (GLOBECOM) 2011, pp.1-5, Dec. 2011
  14. K. Takeda, K. Adachi, S. Sun, and F. Adachi, "Single-carrier incremental relaying with joint Tx/Rx FDE", Proc. IEEE Veh. Technol. Conf. (VTC)'12-fall, pp.1-5, Sep. 2011
  15. K. Adachi, S. Sun, and C. K. Ho, "Power minimization of cooperative relay transmission with relay's private information", Proc. IEEE Veh. Technol. Conf. (VTC)'11-fall, pp.1-5, Sep. 2011
  16. K. Adachi, S. Sun, and C. K. Ho, "Rate splitting for power minimization of cooperative relay transmission", Proc. IEEE Asia Pacific Wireless Commun. Symp. (APWCS) 2011, pp.1-5, Aug. 2011
  17. H. Kizuka, K. Adachi, and T. Ohtsuki, "Frequency band allocation in MIMO system based on received power difference among users", Proc. IEEE Veh. Technol. Conf. (VTC)'11-spring, pp.1-5, May 2011
  18. K. Yamamoto, K. Adachi, and T. Ohtsuki, "Phase rotation sequence selection method for IFDMA with DDCE", Proc. IEEE Veh. Technol. Conf. (VTC)'11-spring, pp.1-5, May 2011
  19. K. Adachi, S. Sun, and C. K. Ho, "Cooperative relay transmission with relay's private information", Proc. IEEE Veh. Technol. Conf. (VTC)'11-spring, pp.1-5, May 2011
  20. T. Yamasaki, O. Takyu, K. Adachi, Y. Umeda, and M. Nakagawa, "Phase rotation for constructing uniform frequency spectrum in IFDMA communication", Proc. IEEE Int. Conf. on Commun. Syst. (ICCS) 2010, pp.751-755, Nov. 2010
  21. K. Adachi, H. Zhu, J. Wang, F. Adachi, and M. Nakagawa, "Adaptive transmission in distributed MIMO multiplexing", Proc. IEEE Int. Conf. on Commun. Syst. (ICCS) 2010, pp.141-145, Nov. 2010
  22. Y. Kazama, A. Yamasaki, K. Adachi, and M. Nakagawa, "Impact of frequency diversity and multi-user diversity in IFDMA", Proc. IEEE Veh. Technol. conf. (VTC)'10-spring, pp.1-5, May 2010
  23. K. Adachi and M. Nakagawa, "Iterative interference cancellation for multi-code PR/MC-CDMA", Proc. IEEE Wireless Commun. & Networking Conf. (WCNC)'10, pp.1-6, Apr. 2010
  24. K. Adachi, F. Adachi, and M. Nakagawa, "Virtual MIMO space division multiplexing for MC-CDMA", Proc. IEEE Veh. Technol. Conf. (VTC)'09-fall, pp.1-5, Sep. 2009
  25. N. Lynn, O. Takyu, K. Adachi, and M. Nakagawa, "Selective cooperative relay system with ARQ exploiting inter-relay opportunistic listening", Proc. The 12th Int. Symp. on Wireless Personal Multimedia Commun, (WPMC)'09, pp.1-5, Sep. 2009
  26. K. Adachi, F. Adachi, and M. Nakagawa, "Capacity of MC-CDMA MIMO with imperfect interference cancellation", Proc. 12th Int. Symp. on Wireless Personal Multimedia Commun. (WPMC)'09, pp.1-5, Sep. 2009
  27. K. Adachi and M. Nakagawa, "Phase Rotation/MC-CDMA for Uplink Transmission", Proc. Multi-Carrier System & Solutions (MC-SS)'09, pp.1-5, May 2009
  28. K. Adachi and M. Nakagawa, "On the construction of orthogonal code subgroups for MC-CDMA with FDE in a frequency selective channel", Proc. IEEE Wireless Commun. & Networking Conf. (WCNC)'09, pp.1-6, Apr. 2009
  29. Nandarlynn, K. Adachi, O. Takyu, and M. Nakagawa, "Effect of channel mismatch on AMC in asymmetric TDD/OFDM system with pre-equalization in downlink", Proc. 2008 Int. Symp. on Inform. Theory and its Applicat. (ISITA) 2008, pp.1-6, Dec. 2008
  30. K. Adachi, F. Adachi, and M. Nakagawa, "A study on channel capacities of MC-CDMA MIMO and OFDM MIMO", Proc. The 11th IEEE Int. Conf. on Commun. Syst. (ICCS) 2008, pp.1384-1388, Nov. 2008
  31. K. Adachi, F. Adachi, and M. Nakagawa, "Approximate channel capacity of MC-CDMA MIMO", Proc. The 11th Wireless Personal Multimedia Conf. (WPMC)'08, pp.1-5, Sep. 2008
  32. K. Adachi, F. Adachi, and M. Nakagawa, "Upper bound of cellular channel capacity", Proc. IEEE VTS Asia Pacific Wireless Commun. Symp. (APWCS)'08, pp.1-5, Aug. 2008
  33. K. Adachi, F. Adachi, and M. Nakagawa, "Cellular MIMO channel capacities of MC-CDMA and OFDM", Proc. IEEE Veh. Technol. Conf. (VTC)'08-spring, pp.1980-1984, May 2008
  34. K. Adachi and M. Nakagawa, "Bit-wise error detection based iterative signal detection for OFDM MIMO multiplexing", Proc. IEEE Wireless Commun. & Networking Conf. (WCNC) 2008, pp.929-934, Apr. 2008
  35. W. Li, O. Takyu, K. Adachi, and M. Nakagawa, "Performance evaluation of decision directed channel estimation for single user IFDMA", Proc. IEEE Radio and Wireless Symp. (RWS) 2008, pp.659-662, Jan. 2008
  36. K. Adachi, F. Adachi, and M. Nakagawa, "On cellular MIMO spectrum efficiency", Proc. IEEE Veh. Technol. Conf. (VTC)'07-fall, pp.417-421, Oct. 2007
  37. K. Adachi and M. Nakagawa, "Throughput performance of HARQ with OFDM MIMO-SDM using iterative modified QRD-M", Proc. IEEE Asia Pacific Wireless Commun. Symp. (APWCS)'07, pp.1-5, Aug. 2007
  38. K. Adachi and M. Nakagawa, "Theoretical analysis of decision directed block iterative channel estimation for OFDM mobile radio", Proc. 10th IEEE Int. Conf. on Commun. Syst. (ICCS)'06, pp.1-5, Nov. 2006
  39. K. Adachi and M. Nakagawa, "LDPC coded iterative signal detection based on QRD-M", Proc. IEEE Veh. Technol. Conf. (VTC)'06-fall, pp.1-5, Sep. 2006
  40. Y. Fukuyama, O. Takyu, K. Adachi, and M. Nakagawa, "Relay method of sending soft decision symbol based on the result of error detecting code in cooperative communication", Proc. IASTED Int. Conf. Commun. Syst. and Networks (CSN) 2006, pp.131-136, Aug. 2006
  41. K. Adachi and M. Nakagawa, "Iterative modified QRD-MLD based on CRC check for OFDM MIMO multiplexing", Proc. IEEE Veh. Technol. Conf. (VTC)'06-spring, pp.1353-1357, May 2006
  42. K. Adachi, R. Esmailzadeh, M. Nakagawa, H. Kawai, and K. Higuchi, "Accurate channel estimation method using decision feedback data symbols after soft-decision Turbo decoding in QRM-MLD for OFDM MIMO multiplexing", Proc. Wireless Personal Multimedia Conf. (WPMC)'05, pp.716-720, Sep. 2005

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