Koichi Ishihara

Publication Activity (10 Years)

Years Active: 2005-2022
Publications (10 Years): 8

Top Topics

Selection Scheme

Top Venues

IEICE Trans. Commun.

Publications

Toshiro Nakahira, Koichi Ishihara, Motoharu Sasaki, Hirantha Abeysekera, Tomoki Murakami, Takatsune Moriyama, Yasushi Takatori
Centralized Control Method of Multi-Radio and Terminal Connection for 802.11 Wireless LAN Mixed Environment. IEICE Trans. Commun. (2) (2022)
Tomoki Murakami, Koichi Ishihara, Hirantha Abeysekera, Yasushi Takatori
An Actual Stadium Verification of WLAN Using a Distributed Smart Antenna System (D-SAS). IEICE Trans. Commun. (1) (2021)
Toshiro Nakahira, Tomoki Murakami, Hirantha Abeysekera, Koichi Ishihara, Motoharu Sasaki, Takatsune Moriyama, Yasushi Takatori
Dynamic Terminal Connection Control Using Multi-Radio Unlicensed Access for 5G Evolution and Beyond. IEICE Trans. Commun. (9) (2021)
Tomoki Murakami, Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Hiroyuki Nakamura
WiSMA: strategy management architecture for wireless resource optimization. ISPACS (2018)
Sho Yoshida, Kentaro Nishimori, Soichi Ito, Tomoki Murakami, Koichi Ishihara, Yasushi Takatori
Dynamic Group-Based Antenna Selection for Uplink Multi-User MIMO in Distributed Antenna System. IEICE Trans. Commun. (7) (2018)
Tomoki Murakami, Koichi Ishihara, Yasushi Takatori, Masato Mizoguchi, Kentaro Nishimori
CSI Feedback Reduction Method for Downlink Multiuser MIMO Transmission Using Dense Distributed Antenna Selection. IEICE Trans. Commun. (2) (2018)
Koichi Ishihara, Tomoki Murakami, Yusuke Asai, Yasushi Takatori, Masato Mizoguchi
Cooperative Inter-cell Interference Mitigation Scheme with Downlink MU-MIMO Beamforming for Dense Wireless LAN Environment. Wirel. Pers. Commun. 93 (3) (2017)
Tadao Nakagawa, Takayuki Kobayashi, Koichi Ishihara, Yutaka Miyamoto
Wide-Range and Fast-Tracking Non-Data-Aided Frequency Offset Estimator for QAM Optical Coherent Receivers. IEICE Trans. Commun. (7) (2016)
Daichi Okuhara, Fumiya Shiotani, Koji Yamamoto, Takayuki Nishio, Masahiro Morikura, Riichi Kudo, Koichi Ishihara
Attenuators enable inversely proportional transmission power and carrier sense threshold setting in WLANs. PIMRC (2014)
B. Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Masato Mizoguchi
Network-Controlled Channel Allocation Scheme for IEEE 802.11 Wireless LANs: Experimental and Simulation Study. VTC Spring (2014)
Hayato Fukuzono, Yusuke Asai, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi
Maximum Likelihood Demodulators and Their Evaluations on Amplify-and-Forward Cooperative OFDM-Based Wireless LAN Systems. IEICE Trans. Commun. (11) (2014)
Martin T. H. Sirait, Yuki Matsumura, Katsuhiro Temma, Koichi Ishihara, B. A. Hirantha Sithira Abeysekera, Tomoaki Kumagai, Fumiyuki Adachi
AP cooperative diversity in wireless network using interference-aware channel segregation based dynamic channel assignment. PIMRC (2014)
Koichi Ishihara, Tomoki Murakami, Yusuke Asai, Masato Mizoguchi
Selective beamforming for inter-cell interference mitigation in coordinated wireless LANs. WPMC (2013)
Tomoki Murakami, Koichi Ishihara, Riichi Kudo, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi
Implementation and Evaluation of Real-Time Distributed Zero-Forcing Beamforming for Downlink Multi-User MIMO Systems. IEICE Trans. Commun. (10) (2013)
Kohei Hanada, Koji Yamamoto, Masahiro Morikura, Koichi Ishihara, Riichi Kudo
Game-Theoretic Analysis of Multibandwidth Channel Selection by Coordinated APs in WLANs. IEICE Trans. Commun. (6) (2013)
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi
Development and experimental validation of downlink multiuser MIMO-OFDM in gigabit wireless LAN systems. EURASIP J. Adv. Signal Process. 2013 (2013)
Yuki Matsumura, Katsuhiro Temma, Koichi Ishihara, B. A. Hirantha Sithira Abeysekera, Tomoaki Kumagai, Fumiyuki Adachi
Transmit power control suitable for interference-aware channel segregation based dynamic channel assignment. ICICS (2013)
B. Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Takeo Ichikawa, Masato Mizoguchi
A Master-Slave Channel Selection Scheme to Improve Fairness among Cells in IEEE 802.11 Wireless LANs. VTC Spring (2013)
Yuki Matsumura, Katsuhiro Temma, Koichi Ishihara, B. Hirantha Sithira Abeysekera, Tomoaki Kumagai, Fumiyuki Adachi
Interference-aware channel segregation based dynamic channel assignment using SNR-based transmit power control. ISPACS (2013)
Riichi Kudo, Koichi Ishihara, Tomoki Murakami, B. Hirantha Sithira Abeysekera, Yusuke Asai, Masato Mizoguchi
Successive Optimization Transmission for High and Low SNR Stations in Wireless LAN Systems. VTC Fall (2012)
Kohei Hanada, Koji Yamamoto, Koichi Ishihara, Riichi Kudo, Masahiro Morikura
Game-theoretic analysis for multibandwidth WLAN channel selection by coordinated APs. ICCS (2012)
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi
Indoor Experiments of Real-Time MU-MIMO with CSI Feedback Scheme for Wireless LAN Systems. VTC Spring (2012)
Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi
Indoor experiments on real-time multiuser MIMO transmission in wireless LAN systems. WCNC (2012)
Tomoki Murakami, Koichi Ishihara, Riichi Kudo, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi
Experimental evaluation of distributed ZF beamforming in an indoor multi-cell environment. APCC (2012)
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto
A Band-Divided Receiver Prototype for Wideband Optical Signals. IEICE Trans. Commun. (7) (2011)
Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi
Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system. PIMRC (2011)
Motohiro Tanabe, Masahiro Umehira, Koichi Ishihara, Yasushi Takatori
A Novel Dynamic Channel Access Scheme Using Overlap FFT Filter-Bank for Cognitive Radio. IEICE Trans. Commun. (12) (2009)
Koichi Ishihara, Takayuki Kobayashi, Riichi Kudo, Yasushi Takatori, Akihide Sano, Yutaka Miyamoto
Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems. IEICE Trans. Commun. (12) (2009)
Koichi Ishihara, Yasushi Takatori, Shuji Kubota, Fumiyuki Adachi
Multiuser Detection for Asynchronous Broadband Single-Carrier Transmission Systems. IEEE Trans. Veh. Technol. 58 (6) (2009)
Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada
Overlap Frequency-Domain Multiuser Detection for Asynchronous Uplink Multiuser MIMO-OFDM Systems. IEICE Trans. Commun. (5) (2009)
Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada
Multiuser Detection Method Robust against Timing Offset for OFDM Uplink Transmission. VTC Spring (2008)
Yasushi Takatori, Riichi Kudo, Atsushi Ohta, Koichi Ishihara, Kentaro Nishimori, Shuji Kubota
New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO. IEICE Trans. Commun. (9) (2007)
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi
Frequency-Domain Multi-Stage Soft Interference Cancellation for DS-CDMA Uplink Signal Transmission. IEICE Trans. Commun. (5) (2007)
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi
Iterative Channel Estimation for Frequency-Domain Equalization of DSSS Signals. IEICE Trans. Commun. (5) (2007)
Koichi Ishihara, Yasushi Takatori, Shuji Kubota
Multiuser Detection Method for Single-Carrier Transmission in Uplink Multiuser MIMO Access. VTC Fall (2007)
Kazuaki Takeda, Koichi Ishihara, Fumiyuki Adachi
Frequency-Domain ICI Cancellation with MMSE Equalization for DS-CDMA Downlink. IEICE Trans. Commun. (12) (2006)
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi
Iterative Frequency-Domain Soft Interference Cancellation for Multicode DS- and MC-CDMA Transmissions and Performance Comparison. IEICE Trans. Commun. (12) (2006)
Kazuaki Takeda, Koichi Ishihara, Fumiyuki Adachi
Downlink DS-CDMA Transmission with Joint MMSE Equalization and ICI Cancellation. VTC Spring (2006)
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi
Frequency-domain Soft Interference Cancellation for Multicode CDMA Transmissions. VTC Spring (2006)
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi
Pilot-Assisted Decision Feedback Channel Estimation for STTD in OFDM Mobile Radio. IEICE Trans. Commun. (2) (2005)