Journal Papers

  1. 1.Shinsuke Ohtake, Akiro Shimada, Yuichi Miyaji, Hideyuki Uehara and Takashi Ohira, “Location Estimation Based on Fingerprinting Technique for Two-Dimensional Multihop Wireless Power Transfer System” J. Signal Processing, Vol.18, No.4, pp.185-188, July 2014.

  2. 2.Akiro Shimada, Shinsuke Ohtake, Yuichi Miyaji, Hideyuki Uehara and Takashi Ohira, “Power Division Ratio on Multi-hop WPT Considering Coupling of the Receiver with Two Couplers,” IEICE ELEX, 2014.

  3. 3.伊藤有基, 島田晃郎，宮路祐一, 上原秀幸, 大平 孝, “磁界共鳴型2次元マルチホップ電力伝送による2つの受電器への均等な電力分配手法,” 電学論C, vol. 134-C, no. 3, pp.374-380 , Mar. 2014.

  4. "A Method for Equal Power Allocation to Two Receivers in Two-dimensional Wireless Power Transfer via Magnetic Resonance," T. IEE Japan, vol. 134-C, no. 3, pp., Mar. 2014.

  5. 4.甲斐祐弥, 山口 啓，宮路祐一, 上原秀幸, 大平 孝, “無線センサネットワーク用指向性MACプロトコルにおけるセクタ内衝突回避方式,” 信学論B, Vol.J96-B, No.12, pp. 1355-1364, Dec. 2013.

  6. “Intra-sector Collision Avoidance Method for Directional MAC protocol in WSNs,” IEICE Trans. Commun., Vol.J96-B, No.12, pp. 1355-1364, Dec. 2013.

  7. 5.坂井尚貴，小田康明，ウリントヤ，上原秀幸，大平孝, “無線秘密鍵生成共有方式用USBスティック型エスパアンテナ,” 信学論B, Vol.J96-B, No.09, pp. 1057-1066, Sept. 2013.

  8. 6.坂井尚貴，小田康明，ウリントヤ，上原秀幸，大平孝, “無線秘密鍵生成共有方式の盗聴耐性を高める可変指向性アンテナ指向性多様性指標,” 信学論B, Vol.J96-B, No.09, pp. 936-944, Sept. 2013.

  9. 7.高　博昭, 上原秀幸, 大平　孝, “センサネットワークの省電力化に関するトポロジ的考察," 信学論B, Vol.J96-B, No.07, pp. 680-689, Jul. 2013.

  10. “Energy-Efficiency of Sensor Networks in Terms of Network Topology,” IEICE Trans. Commun., Vol.J96-B, No.07, pp. 680-689, Jul. 2013.

  11. 8.宮路祐一, 君島秋人, 大場昌範, 山川太一, 上原秀幸, 大平孝, “GNU Radio/USRPとエスパアンテナを用いた指向性MACプロトコル評価システム,”信学論B, Vol. J96-B, No.2, pp. 83-91, Feb. 2013. [学生優秀論文賞受賞]

  12. “Verication System for Directional MAC Protocol using GNU Radio/USRP andESPAR Antenna,” IEICE Trans. Commun., Vol. J96-B, No.2, pp. 83-91, Feb. 2013.

  13. 9.宮路祐一, 村中裕貴, 古橋　彬, 上原秀幸, 大平　孝, “ アドホックネットワークにおけるコードセンスCDMA型MACプロトコル,” 情処学論, vol.53, no.2, pp. 879-888, Feb. 2012. [IPSJ SIG-MBL推薦論文]

  14. “Code Sense CDMA Type MAC Protocol for Ad Hoc Networks,” Journal of IPSJ, vol.53, no.2, pp. 879-888, Feb. 2012.

  15. 10.高　博昭, 上原秀幸, 大平　孝, “結合エントロピーに基づくデータ集約モデルの導出と省電力センサネットワークへの適用," 信学論B, Vol.J95-B, No.02, pp. 238-245, Feb. 2012.

  16. “Data Aggregation Model Based on Joint Entropy and Its Application to Energy Efficient Wireless Sensor Networks,” IEICE Trans. Commun., Vol.J95-B, No.02, pp. 238-245, Feb. 2012.

  17. 11.高　博昭, 橋本典征, 冨田真宏, 上原秀幸, 大平　孝, “アクティブ状態への遷移タイミングを制御する非同期型MACプロトコルのための適応スリープ制御," 信学論B, Vol.J95-B, No.02, pp. 199-207, Feb. 2012.

  18. “Adaptive Sleep Control for Asynchronous MAC Protocols Adjusting Transition Timing to Active State,” IEICE Trans. Commun., Vol.J95-B, No.02, pp.199-207, Feb. 2012.

  19. 12.河井政宏, 宮路祐一, 上原秀幸, 大平　孝, “無線マルチホップネットワークにおけるスマートアンテナを用いた指向性傍受MACプロトコル,” 信学論B, Vol.J94-B, No.4, pp. 555-566, Apr. 2011. 
    “Directional Monitoring MAC Protocol Using Smart Antennas in Wireless Multi-hop Networks,” IEICE Trans. Commun., Vol.J94-B, No.4, pp. 555-566, Apr. 2011.

  20. 13.藤井洋兵, 進藤直樹, 藤原征雄, 上原秀幸, 大平　孝, “道路ゾーンと中継機を用いた車々間／車路車間方向指定ルーティング,” 信学論B, Vol.J94-B, No.2, pp.147-155, Feb. 2011.
    “Direction Oriented Routing Protocols Using Zonal Road and Fixed Relay Points for Inter-Vehicle/Road-to-Vehicle Communications,” IEICE Trans. Commun., Vol.J94-B, No.2, pp.147-155, Feb. 2011.

  21. 14.大野雅幸, 宮路祐一, 上原秀幸, 大平　孝, “無線アドホックネットワークにおいてエスパアンテナを利用した指向性適応制御MACプロトコル,” 信学論B, Vol.J94-B, No.2, pp.113-121, Feb. 2011.
    “Directivity Adaptive Control MAC Protocol Using ESPAR Antenna in Wireless Ad Hoc Networks,” IEICE Trans. Commun., Vol.J94-B, No.2, pp.113-121, Feb. 2011.

  22. 15.長谷川拓, 斎藤隆史, 植松和正, 成田譲二, 上原秀幸, 大平　孝, “エスパアンテナを用いた秘密鍵生成共有方式の雑音耐性と盗聴耐性を高める指向性選択,” 信学論B, Vol.J94-B, No.2, pp.214-225, Feb. 2011.
    “Directivity Selection to Enhance Noise and Tapping Tolerances for Wireless Secret Key Generator Exploiting ESPAR Antennas,” IEICE Trans. Commun., Vol.J94-B, No.2, pp.214-225, Feb. 2011.

  23. 16.Ranga Hettiarachchi, Mitsuo Yokoyama, Hideyuki Uehara, and Takashi Ohira, ``Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA,’ IEICE Trans Fundamentals, vol. E92-A, no.1,pp.298-306, Jan. 2009.

  24. 17.Ranga Hettiarachchi, Mitsuo Yokoyama, and Hideyuki Uehara, ``Interference Cancellation Technique Based on  Discovery of Spreading Codes of Interference Signals and Maximum Correlation Detection for DS- CDMA System,’ IEICE Trans Fundamentals, vol. E91-A, no.11,pp.3335-3345, Nov. 2008.

  25. 18.Daisuke Maeda, Hideyuki Uehara and Mitsuo Yokoyama, “Efficient clustering scheme considering non-uniform  correlation distribution for ubiquitous sensor networks,” IEICE Trans. Fundamentals, vol. E90-A, no. 7, pp, 1344-1352, July 2007.

  26. 19.Kilsoo Jeong, Mitsuo Yokoyama and Hideyuki Uehara, "A time-varying modified MMSE detector for multirate CDMA signals in fast Rayleigh fading channels," ETRI Journal, vol. 29, no. 2, pp., Apr. 2007.

  27. 20.荒木真里子, ヘッティアーラッチ ランガ, 横山光雄, 上原秀幸, ’’DS-CDMAにおけるCycle-and-Add特性を利用した干渉除去方式,” 信学論A, vol.J 90-A, no. 3, pp. 217-227, Mar. 2007.
    “Interference Cancellation Technique Using Cycle-and-Add Property for DS-CDMA,” IEICE Trans. Fundamentals, vol.J 90-A, no. 3, pp. 217-227, Mar. 2007.

  28. 21.Kilsoo Jeong, Mitsuo Yokoyama and Hideyuki Uehara, "A robust adaptive MMSE rake receiver for DS-CDMA system  in a fast multipath fading channel," Radioengineering, vol. 14, no. 4, pp. 65-70, Dec. 2006.

  29. 22.宮下政宏, 荒木真里子, 横山光雄, 上原秀幸, ’’Gold符号におけるCycle-and-Add特性について,” 信学論A, vol. J89-A, no. 6, pp. 572-575, June 2006.
    “Cycle-and-Add property of Gold code,” IEICE Trans. Fundamentals, vol. J89-A, no .6, pp. 572-575, June 2006.

  30. 23.前田大輔, 上原秀幸, 横山光雄, “センサネットワークにおけるcoverageとノードアクティビティについて," 信学論A, vol. J88-A, no. 12, pp. 1452-1455, Dec. 2005.
    “Coverage and node activity in distributed wireless sensor networks,” IEICE Trans. Fundamentals, vol. J88-A, no. 12, pp. 1452-1455, Dec. 2005.

  31. 24.Md. Ifte Khairul Hasan, Saburo Takahashi, Jun-ichi Hakoda, Hideyuki Uehara and Mitsuo Yokoyama, "Route selection metrics in wireless mobile ad hoc networks," IEICE Trans. Fundamentals, vol. E88-A, no. 10, pp. 2952-2955, Oct. 2005.

  32. 25.Kilsoo Jeong, Mitsuo Yokoyama and Hideyuki Uehara, "Performance Improvement of MAI Cancellation in Fading DS/CDMA Channels," IEICE Trans. Fundamentals, vol. E88-A, no. 10, pp. 2869-2877, Oct. 2005.

  33. 26.Yoshikazu Yamaguchi, Shinji Yamashita, Mitsuo Yokoyama and Hideyuki Uehara, "Performance of a New DS-CDMA Synchronization System Using Cycle-and-Add Property,"IEICE Trans. Fundamentals, vol. E88-A, no. 10, pp. 2905-2914, Oct. 2005.

  34. 27.新宮将久, 増渕友裕, 上原秀幸, 横山光雄, "車両間マルチホップ無線ネットワークにおける方向指定ルーチング," 信学論A, vol. J88-A, no. 2, pp. 74-86, Feb. 2005.
    “Direction-oriented routing scheme for intervehicle multihop wireless networks,” IEICE Trans. Fundamentals, vol. J88-A, no. 2, pp. 175-185, Feb. 2005.
    Also published in Wiley Electronics and Communications in Japan (Part III: Fundamental Electronic Science), vol. 89, Issue. 10, pp. 11-22, Oct. 2006. [Online]

  35. 28.山本晃也, 横山光雄, 上原秀幸, "位相情報を利用したDS/CDMA用干渉キャンセラ," 電学論C, vol. 122-C, no. 12, pp. 1996-2004, Dec. 2002.
    "Interference canceller for DS/CDMA using phase information," T. IEE Japan, vol. 122-C, no. 12, pp. 1996-2004, Dec. 2002.

  36. 29.藤原正登, 上原秀幸, 横山光雄, "メディア統合CDMAパケット無線ネットワークにおけるMACプロトコル," 情処学論, vol. 43, no. 12, pp. 3951-3958, Dec. 2002.
    "MAC protocol for integrated voice and data traffic in CDMA wireless packet networks," IPSJ Journal, vol. 43, no. 12, pp. 3951-3958, Dec. 2002.

  37. 30.北岸弓子, 上原秀幸, 山本亮, 横山光雄, 伊藤大雄, "マルチホップ無線ネットワークにおける優先領域に基づく中継制御法," 信学論B, vol. J85-B, no. 12, pp. 2119-2128, Dec. 2002.
    "Packet relay control scheme based on priority regions in multihop wireless networks," IEICE Trans. Commun., vol. J85-B, no. 12, pp. 2119-2128, Dec. 2002.

  38. 31.箱田純一, 上原秀幸, 横山光雄, "リンクの寿命とノードの負荷を考慮したアドホックルーチングプロトコルの特性評価," 信学論B, vol. J85-B, no. 12, pp. 2108-2118, Dec. 2002.
    "Performance evaluation of mobile ad hoc routing protocols based on link expiration time and load of node," IEICE Trans. Commun., vol. J85-B, no. 12, pp. 2108-2118, Dec. 2002.
    Also published in Wiley Electronics and Communications in Japan (Part I: Communications), vol. 87, Issue 2, pp. 68-78, Feb. 2004. [Online]

  39. 32.織田将人, 上原秀幸, 横山光雄, 伊藤大雄, "端末のパケット中継機能を用いた安否確認ネットワークの検討," 信学論B, vol. J85-B, no. 12, pp. 2037-2044, Dec. 2002.
    "Safety information collecting network using self-organizing packet relay routing," IEICE Trans. Commun., vol. J85-B, no. 12, pp. 2037-2044, Dec. 2002.

  40. 33.Noriyoshi Suzuki, Hideyuki Uehara and Mitsuo Yokoyama, "A new OFDM demodulation method with variable-length effective symbol and ICI canceler," IEICE Trans. Fundamentals vol. E85-A, no. 12, pp. 2859-2867, Dec. 2002.

  41. 34.ITO Hiro, ITO Motoyasu, ITATSU Yuichiro, NAKAI Kazuhiro, UEHARA Hideyuki, and YOKOYAMA Mitsuo, "Source location problems considering vertex-connectivity and edge-connectivity simultaneously," Networks , vol. 40, Issue 2, pp. 63-70, Sept. 2002. [Online]

  42. 35.Akihiro Uejima, Hiro Ito, Hideyuki Uehara and Mitsuo Yokoyama, "Coloring problem with restrictions of adjacent colors," International Transactions in Operational Research, vol. 9, no. 2, pp. 183-194, 2002.

  43. 36.小西たつ美, 横山光雄, 上原秀幸, 伊藤大雄, "加群上の畳込み符号による可変レートMPSK符号化変調方式," 信学論A, vol. J85-A, no. 3, pp. 334-339, Mar. 2002.
    ``Variable rate MPSK coded modulation using convolutional codes over modules," IEICE Trans. Fundamentals, vol. J85-A, no. 3, pp. 334-339, Mar. 2002.
    Also published in Wiley Electronics and Communications in Japan (Part III: Fundamental Electronic Science), vol. 86, Issue 4, pp. 20-25, Apr. 2003. [Online]

  44. 37.Hideyuki Uehara, Masato Fujihara, Mitsuo Yokoyama and Hiro Ito, "Channel assignment scheme for integrated voice and data traffic in reservation-type packet radio networks," IEICE Trans. Commun. vol. E85-B, no. 1, pp. 191-198, Jan. 2002.

  45. 38.小西たつ美, 横山光雄, 上原秀幸, 伊藤大雄, "レイリーフェージング通信路に有効な環上の畳み込み符号," 信学論A, vol. J84-A, no. 6, pp. 834-839, June 2001.
    ``Convolutional codes over rings for Rayleigh fading channels," IEICE Trans. Fundamentals, vol. J84-A, no. 6, pp. 834-839, June 2001.
    Also published in Wiley Electronics and Communications in Japan (Part III: Fundamental Electronic Science), vol. 86, Issue 4, pp. 48-54, Apr. 2003. [Online]

  46. 39.Hiro Ito, Hideyuki Uehara, and Mitsuo Yokoyama, "A generalization of 2-dimension ham sandwich theorem," IEICE Trans. Fundamentals, Vol. E84-A, No. 5, pp. 1144-1151, May 2001.

  47. 40.Hiro Ito, Hideyuki Uehara, and Mitsuo Yokoyama, "Length of tours and permutations on a vertex set of a convex polygon," Discrete Applied Mathematics, vol. 115, no. 1, pp. 63-72, 2001.

  48. 41.Hiro Ito, Hideyuki Uehara, and Mitsuo Yokoyama, "A faster and flexible algorithm for a location problem on undirected flow networks," IEICE Trans. Fundamentals, Vol. E83-A, No. 4, pp. 704-712, Apr. 2000.

  49. 42.Shiro Aoki, Hiro Ito, Hideyuki Uehara, Mutsuo Yokoyama, and Tsuyoshi Horinouchi, "NP-hardness of Rotation Type Cell-Mazes," IEICE Trans. Fundamentals, Vol. E83-A, No. 3, pp. 492-496, Mar. 2000.

  50. 43.蒲池嘉展, 大槻知明, 上原秀幸, 笹瀬巌, "干渉キャンセラを適用した光同期M-ary FSK/CDMA方式," 信学論B, vol. J82-B, no. 1, pp. 43-55, Jan. 1999.
    ``An optical synchronous M-ary FSK/CDMA system using an interference canceler ," IEICE Trans. Commun., vol. J82-B, no. 1, pp. 43-55, Jan. 1999.
    Also published in Wiley Electronics and Communications in Japan (Part I: Communications), vol. 83, Issue 9, pp. 20-32, Apr. 2000. [Online]

  51. 44.佐藤章博, 大槻知明, 上原秀幸, 笹瀬巌, "拡散反射通信路を利用した室内赤外線無線通信における送信パルス波形の検討," 信学論 (B-I), vol. J81-B-I, no. 12, pp. 861-871, Dec. 1998.
    ``A study of transmitted pulse waveforms on indoor infrared wireless communications via diffuse links ," IEICE Trans. Commun., vol. J81-B-I, no. 12, pp. 861-871, Dec. 1998.
    Also published in Wiley Electronics and Communications in Japan (Part I: Communications), vol. 83, Issue 9, pp. 33-43, Apr. 2000. [Online]

  52. 45.Katsuhiro Kamakura, Yoshinobu Gamachi, Hideyuki Uehara, Tomoaki Ohtsuki and Iwao Sasase, "Performance analysis of optical frequency-domain encoding CDMA enhancement of frequency division multiplexing," IEICE Trans. Commun. vol. E81-B, no. 9, pp. 1749-1757, Sept. 1998.

  53. 46.Hideyuki Uehara, Iwao Sasase and Mitsuo Yokoyama, "Fiber optic subcarrier transmission systems using coherence multiplexing techniques for broad-band distribution networks,'' IEICE Trans. on Commun., vol. E80-B, no. 7, pp. 188-196, July 1997.

  54. 47.Kazumi Sato, Tomoaki Ohtsuki, Hideyuki Uehara and Iwao Sasase, "Effect of imperfect slot synchronization on direct-detection optical synchronous CDMA communication systems with PPM signaling," IEEE J. Lightwave Technol., vol. 14, no. 9, pp. 1963-1969, Sept. 1996.

  55. 48.Yoshinobu Gamachi, Tomoaki Ohtsuki, Hideyuki Uehara and Iwao Sasase, "Performance analysis of optical synchronous PPM/CDMA systems with interference canceler under number-state light field," IEICE Trans. Commun., vol. E79-B, no. 7, pp. 915-922, July 1996.

  56. 49.Hideyuki Uehara and Iwao Sasase, "Coherence multiplexed/subcarrier multiplexing (CM/SCM) lightwave system for microcelluler mobile communications," IEICE Trans. Commun., vol. E79-B, no. 5, pp. 708-715, May 1996.

  57. 50.Hideyuki Uehara, Tomoaki Ohtsuki and Iwao Sasase, "Performance analysis of coherent optical POLSK receivers with local oscillator intensity noise and unmatched quantum efficiencies," IEICE Trans. Commun., vol. E77-B, no. 12, pp. 1590-1599, Dec. 1994.