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Koichi Ishihara
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Journal Articles
- 2022
- [j22]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. 105-B(2): 186-195 (2022) - 2021
- [j21]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. 104-B(1): 109-117 (2021) - [j20]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. 104-B(9): 1138-1146 (2021) - 2018
- [j19]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. 101-B(2): 426-433 (2018) - [j18]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. 101-B(7): 1552-1560 (2018) - 2017
- [j17]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): 661-674 (2017) - 2016
- [j16]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. 99-B(7): 1416-1425 (2016) - 2014
- [j15]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. 97-B(11): 2435-2448 (2014) - 2013
- [j14]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: 123 (2013) - [j13]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. 96-B(6): 1277-1287 (2013) - [j12]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. 96-B(10): 2521-2529 (2013) - 2011
- [j11]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. 94-B(7): 1801-1808 (2011) - 2009
- [j10]Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada:
Overlap Frequency-Domain Multiuser Detection for Asynchronous Uplink Multiuser MIMO-OFDM Systems. IEICE Trans. Commun. 92-B(5): 1582-1588 (2009) - [j9]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. 92-B(12): 3589-3596 (2009) - [j8]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. 92-B(12): 3736-3743 (2009) - [j7]Koichi Ishihara, Yasushi Takatori, Shuji Kubota, Fumiyuki Adachi:
Multiuser Detection for Asynchronous Broadband Single-Carrier Transmission Systems. IEEE Trans. Veh. Technol. 58(6): 3066-3071 (2009) - 2007
- [j6]Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi:
Frequency-Domain Multi-Stage Soft Interference Cancellation for DS-CDMA Uplink Signal Transmission. IEICE Trans. Commun. 90-B(5): 1152-1161 (2007) - [j5]Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi:
Iterative Channel Estimation for Frequency-Domain Equalization of DSSS Signals. IEICE Trans. Commun. 90-B(5): 1171-1180 (2007) - [j4]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. 90-B(9): 2312-2320 (2007) - 2006
- [j3]Kazuaki Takeda, Koichi Ishihara, Fumiyuki Adachi:
Frequency-Domain ICI Cancellation with MMSE Equalization for DS-CDMA Downlink. IEICE Trans. Commun. 89-B(12): 3335-3343 (2006) - [j2]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. 89-B(12): 3344-3355 (2006) - 2005
- [j1]Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi:
Pilot-Assisted Decision Feedback Channel Estimation for STTD in OFDM Mobile Radio. IEICE Trans. Commun. 88-B(2): 561-567 (2005)
Conference and Workshop Papers
- 2018
- [c18]Tomoki Murakami, Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Hiroyuki Nakamura:
WiSMA: strategy management architecture for wireless resource optimization. ISPACS 2018: 307-312 - 2014
- [c17]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: 986-990 - [c16]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: 1185-1189 - [c15]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: 1-5 - 2013
- [c14]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: 1-5 - [c13]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: 792-796 - [c12]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: 1-5 - [c11]Koichi Ishihara, Tomoki Murakami, Yusuke Asai, Masato Mizoguchi:
Selective beamforming for inter-cell interference mitigation in coordinated wireless LANs. WPMC 2013: 1-5 - 2012
- [c10]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: 248-252 - [c9]Kohei Hanada, Koji Yamamoto, Koichi Ishihara, Riichi Kudo, Masahiro Morikura:
Game-theoretic analysis for multibandwidth WLAN channel selection by coordinated APs. ICCS 2012: 358-362 - [c8]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: 1-5 - [c7]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: 1-5 - [c6]Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi:
Indoor experiments on real-time multiuser MIMO transmission in wireless LAN systems. WCNC 2012: 147-151 - 2011
- [c5]Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi:
Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system. PIMRC 2011: 1386-1390 - 2008
- [c4]Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada:
Multiuser Detection Method Robust against Timing Offset for OFDM Uplink Transmission. VTC Spring 2008: 1463-1467 - 2007
- [c3]Koichi Ishihara, Yasushi Takatori, Shuji Kubota:
Multiuser Detection Method for Single-Carrier Transmission in Uplink Multiuser MIMO Access. VTC Fall 2007: 566-570 - 2006
- [c2]Kazuaki Takeda, Koichi Ishihara, Fumiyuki Adachi:
Downlink DS-CDMA Transmission with Joint MMSE Equalization and ICI Cancellation. VTC Spring 2006: 1762-1766 - [c1]Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi:
Frequency-domain Soft Interference Cancellation for Multicode CDMA Transmissions. VTC Spring 2006: 2523-2527
Coauthor Index
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