Hiroshi Oguma

Publication Activity (10 Years)

Years Active: 2003-2023
Publications (10 Years): 17

Top Topics

Top Venues

Publications

Hiroto Kita, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu
Evaluation of Satellite Signal Reception Error by Sky View Factor for QZSS Short Message SS-CDMA Communication System. ICTC (2023)
Hiroshi Oguma, Rei Kawai, Suguru Kameda, Noriharu Suematsu
Evaluation of Transmission Timing Control Error for QZSS Short Message SS-CDMA Communication System. ICUFN (2022)
Hiroshi Oguma, Rei Kawai, T. Asai, Suguru Kameda, Mizuki Motoyoshi, Noriharu Suematsu
System Implementation of Synchronized SS-CDMA for QZSS Safely Confirmation System. ICTC (2020)
Suguru Kameda, Kei Ohya, Tomohide Takahashi, Hiroshi Oguma, Noriharu Suematsu
Random Access Control Scheme with Reservation Channel for Capacity Expansion of QZSS Safety Confirmation System. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2019)
Ren Shinozaki, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu
Experimental Analysis of Positioning Accuracy of GPS/BeiDou on Elevation Mask. ICTC (2019)
Suguru Kameda, Kei Ohya, Hiroshi Oguma, Noriharu Suematsu
Experimental Evaluation of Synchronized SS-CDMA Transmission Timing Control Method for QZSS Short Message Communication. IEICE Trans. Commun. (8) (2019)
Kei Ohya, Suguru Kameda, Hiroshi Oguma, Noriharu Suematsu
Experimental evaluation of transmission timing control method for QZSS short message synchronized SS-CDMA communication. ICUFN (2017)
Sho Tatsuguchi, Yuta Oshima, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu
Influence of multi path on positioning accuracy in a low sky view factor environment. ICTC (2017)
Rei Kawai, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu
Construction of transmission timing control system using FPGA for QZSS short message synchronized SS-CDMA communication. ICTC (2017)
Nagahiro Yoshino, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu
Feasibility study of expansion of OpenFlow network using satellite communication to wide area. ICUFN (2017)
Yuta Oshima, Iwao Mizumoto, Hiroshi Oguma, Noboru Ishihara, Kazuya Masu
Estimation of energy self-sufficiency rate by EMS simulation using SPICE. ICTC (2017)
Yuta Oshima, Hiroshi Oguma, Noboru Ishihara, Kazuya Masu
Simulation and evaluation of PV power generation for energy management system using SPICE. ICTC (2016)
Kei Ohya, Tomohide Takahashi, Suguru Kameda, Hiroshi Oguma, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Efficient random access control scheme with reservation channel for QZSS short message SS-CDMA communication. WCNC (2016)
Hiroshi Oguma, Sota Matsuura, Konatsu Suehiro, Yuta Oshima, Sho Tatsuguchi, Atsushi Koizumi
Development of the hazard-map utilization support system for flooding with location information. ICTC (2016)
Kei Ohya, Suguru Kameda, Hiroshi Oguma, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Experimental evaluation of timing synchronization accuracy for QZSS short message synchronized SS-CDMA communication. PIMRC (2016)
Hiroshi Oguma, Keita Norishima, Konatsu Suehiro, Suguru Kameda, Noriharu Suematsu
Measured evaluation of positioning accuracy on GNSS for heterogeneous wireless system. ICTC (2015)
Junpei Kuboniwa, Yuji Miyake, Suguru Kameda, Akinori Taira, Hiroshi Oguma, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
High efficient network selection scheme using location information for heterogeneous wireless system. WCNC Workshops (2015)
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Measured Downlink Throughput Performance of MBWA System in Urban Area. IEICE Trans. Commun. (1) (2013)
Tomohide Takahashi, Yuji Miyake, Fumihiro Yamagata, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Large-capacity QZSS location and short message system using Frame Slotted ALOHA with Flag Method. PIMRC (2013)
Yuji Miyake, Kazuhiro Komatsu, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Makoto Iwata, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
ASIC implementation of multimode frequency domain equalizer for heterogeneous wireless system. PIMRC (2013)
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Fumihiro Yamagata, Yasuyoshi Asano, Yoshiharu Yamazaki, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results. IEICE Trans. Commun. (4) (2012)
Yuji Miyake, Fumihiro Yamagata, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Hybrid single-carrier and multi-carrier system: Evaluation of throughput with inter-cell interference. PIMRC (2012)
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Kazuhiro Komatsu, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Coverage estimation of uplink 64 QAM signal up to 20 MHz bandwidth based on field trial results: coverage issue of broadband uplink signal. WPMC (2011)
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Fumihiro Yamagata, Yasuyoshi Asano, Yoshiharu Yamazaki, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Proposal of heterogeneous wireless communication network with soft handover in application layer: Feasibility study based on field trial results. CrownCom (2011)
Yuji Miyake, Kazumasa Kobayashi, Kazuhiro Komatsu, Shoichi Tanifuji, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
Hybrid single-carrier and multi-carrier system: Widening uplink coverage with optimally selecting SDM or join FDE/antenna diversity. WPMC (2011)
Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki
Coverage Estimation of Uplink 16 QAM Signal up to 20 MHz Bandwidth Based on Field Trial Results of FH-OFDMA System. WCNC (2010)
Shunsuke Tomita, Yuji Miyake, Ikuro Kashiwamura, Kazuhiro Komatsu, Ngoc Hao Tran, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
Hybrid single-carrier and multi-carrier system: Improving uplink throughput with optimally switching modulation. PIMRC (2010)
Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki
Uplink throughput performance of FH-OFDMA improved by 16 QAM: Effect estimation and validation in MBWA system field trial. PIMRC (2009)
Ikuro Kashiwamura, Shunsuke Tomita, Kazuhiro Komatsu, Ngoc Hao Tran, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
Investigation on single-carrier and multi-carrier hybrid system for uplink. PIMRC (2009)
Kazuya Shimoyama, Satoshi Yoshida, Tuan Thanh Ta, Keisuke Matsuzaki, Hiroshi Oguma, Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
5GHz Si-CMOS differential power amplifier module with directly connected dipole antenna. IEICE Electron. Express 5 (7) (2008)
Hiroyuki Nakase, Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Mari Ochiai, Yukimasa Nagai, Akinori Fujimura, Yoji Isota
Improvement of bit error rate using channel interleaving for channel binding WLAN prototype. PIMRC (2008)
Yukimasa Nagai, Akinori Fujimura, Masaya Akihara, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
A SINR estimation for closed-loop link adaptation of 324 Mbit/sec WLAN system. PIMRC (2008)
Hiroshi Oguma, Suguru Kameda, Noboru Izuka, Y. Asano, Y. Yamazaki, T. Takagi, Kazuo Tsubouchi
Measured downlink throughput performance of MBWA system in urban area. ISWCS (2008)
Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Hiroshi Oguma, Suguru Kameda, Tohoku Takagi, Kazuo Tsubouchi
First-Ever Report on MBWA System Field Trial: Interference Issue in Sectored Cell Layout. VTC Fall (2008)
Yukimasa Nagai, Akinori Fujimura, Masaya Akihara, Yoshihiko Shirokura, Fumio Ishizu, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
A Closed-Loop Link Adaptation Scheme for 324Mbit/sec WLAN System. PIMRC (2007)
Yukimasa Nagai, Akinori Fujimura, Yoshihiko Shirokura, Fumio Ishizu, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
Demonstration of HDTV Transmission Using 324Mbps WLAN Equipment. CCNC (2007)
Shoichi Oshima, Goro Mori, Hiroshi Oguma, Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
The 60GHz Band Multi-Carrier Wireless System for 2Gbps Transmission with Constant Envelope Modulation. PIMRC (2007)
Suguru Kameda, Satoru Fukuyo, Atsuyoshi Yamaguchi, Hiroshi Oguma, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
Evaluation of High-Speed and Large-Capacity RFID Inventory Method using 1-Bit Flag. PIMRC (2007)
Yukimasa Nagai, Akinori Fujimura, Yoshihiko Shirokura, Yoji Isota, Fumio Ishizu, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
324Mbps WLAN equipment with MAC frame aggregation. PIMRC (2006)
Hiroshi Oguma, Hiroyuki Nakase, Suguru Kameda, Kazuo Tsubouchi, Mari Ochiai, Yukimasa Nagai, Akinori Fujimura, Yoji Isota, Fumio Ishizu
Implementation of 324Mbit/sec WLAN equipment. PIMRC (2006)
Yukimasa Nagai, Akinori Fujimura, Yoshihiko Shirokura, Yoji Isota, Fumio Ishizu, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
324Mbps WLAN Equipment with MAC Frame Aggregation for High MAC-SAP Throughput. J. Commun. 1 (5) (2006)
Yukimasa Nagai, Yoshihiko Shirokura, Hiroyuki Nakase, Hiroshi Oguma, Yoji Isota, Fumio Ishizu, Kazuo Tsubouchi
Implementation of 324Mbps WLAN equipment with MAC frame aggregation for high MAC-SAP throughput. CCNC (2006)
Suguru Kameda, Atsuyoshi Yamaguchi, Satoru Fukuyo, Hiroshi Oguma, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
High-Speed and Large-Capacity RFID Inventory Method Using 1-Bit Flag. ISWCS (2006)
Atsuyoshi Yamaguchi, J. Takagi, Hiroshi Oguma, Seong-Kweon Kim, Suguru Kameda, Hiroyuki Nakase, Yoji Isota, Kazuo Tsubouchi
Packet SS-CDMA modem with carrier frequency offset compensation. PIMRC (2003)