An efficient TCP with explicit handover notification for mobile networks. - Haruki Izumikawa; Ichiro Yamaguchi; Jiro Katto (WCNC, 2004)

Proposed relay method with P-MP structure of IEEE 802.16-2004. - Shoji Kaneko; Kenji Saito; Haruki Izumikawa; Takashi Matsunaka; Keizo Sugiyama; Hideyuki Shinonaga (PIMRC, 2005)

MAP Multiplexing in IEEE 802.16 Mobile Multi-Hop Relay. - Haruki Izumikawa; Kenji Saito; Naoki Fuke; Tetsuro Ueda; Keizo Sugiyama (PIMRC, 2006)

An Effective Authentication Procedure Considering User Expiry Time During Handover. - Takashi Matsunaka; Haruki Izumikawa; Keizo Sugiyama (PIMRC, 2006)

User-Centric Seamless Handover Scheme for Realtime Applications. - Haruki Izumikawa; Tadayuki Fukuhara; Takashi Matsunaka; Keizo Sugiyama (PIMRC, 2007)

RACING: Rate Control for Enhancing Intermittent Networking Performance for Mobile Users. - Haruki Izumikawa; Dirk Kutscher; Andreas Timm-Giel; Carsten Bormann (GLOBECOM, 2009)

Novel WLAN coverage area estimation leveraging transition of cellular signal using multi-mode mobile terminal for heterogeneous. - Haruki Izumikawa; Yoji Kishi; Riichiro Nagareda (WCNC, 2009)

User-Centric Seamless Handover Scheme for Real-Time Applications in Heterogeneous Networks. - Haruki Izumikawa; Tadayuki Fukuhara; Yoji Kishi; Takashi Matsunaka; Keizo Sugiyama (IEICE Trans. Commun., 2009)

Retarding application idle timer expiration for service resumption in challenged network. - Haruki Izumikawa; Takashi Matsunaka; Yoji Kishi (ISWCS, 2011)

RoCNet: Spatial mobile data offload with user-behavior prediction through delay tolerant networks. - Haruki Izumikawa; Jiro Katto (WCNC, 2013)

A Change-Point Detection Scheme Based on Subspace Tracking for Mobile Access Traffic. - Senri Hirabaru; Takahiro Matsuda 001; Yuki Hirota; Haruki Izumikawa; Hiroshi Hanano; Chihiro Ono; Tetsuya Takine (HPCC/SmartCity/DSS, 2016)