Kouji Ohuchi

33 papers B 3C 2Misc 1Journal 14Unranked 13
YearRankTypeTitle / Venue / Authors
2025 J jnl
Analysis of integrated IDFT and Zadoff-Chu matrix precoding processes in OFDM systems.
ICT Express
Kouji Ohuchi
2023 J jnl
Blind Carrier Frequency Offset Estimation in Weighted Fractional Fourier Transform Communication Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshifumi Kojima, Kouji Ohuchi
2021 — conf
Energy-Efficiency Comparison of Ad-hoc Routings in a Shadowing Environment for Smart IoT.
ICOIN
Yuta Kuwahara, Naoki Aihara, Satoshi Yamazaki, Kouji Ohuchi, Hideki Mizuno
2020 J jnl
Throughput Analysis of Dynamic Multi-Hop Shortcut Communications for a Simple Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Satoshi Yamazaki, Ryuji Asakura, Kouji Ohuchi
2019 J jnl
Investigation into Symbol Error Rate of Multilevel Differential Polarization Shift Keying with Estimation of Inclined Polarization Axes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kouji Ohuchi, Yusuke Ito
2018 — conf
PAPR Reduction in OFDM Signal by Combining Partial Transmit Sequences with Precoding Matrix.
ICSPCS
Ryohei Iwasaki, Kouji Ohuchi
2018 J jnl
Performance Analysis of Total Power Consumption in Linear Multi-hop Networks.
Wirel. Pers. Commun.
Satoshi Yamazaki, Kouji Ohuchi
2017 Misc conf
Performance of multilevel differential polarization shift keying with estimation of inclined polarization axes over atmospheric turbulence channel.
ITNAC
Yusuke Ito, Kouji Ohuchi
2016 — conf
BER performance of Superposed ACO-OFDM in multi-path fading channel.
ISSPIT
Tomoyuki Kozu, Kouji Ohuchi
2016 — conf
On blind estimation with reduced complexity in CSS-OFDM systems.
ISSPIT
Takahiro Kitazawa, Kouji Ohuchi
2016 J jnl
Theoretical Bit Error Rate in a Circular Polarized Optical OFDM System.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kazuo Hagihara, Kouji Ohuchi
2015 J jnl
Circular Polarized Optical OFDM for Optical Wireless Communication.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kazuo Hagihara, Kouji Ohuchi
2015 J jnl
Extension of Parallel Combinatory Multicode Transmission with Constant-Amplitude Signaling and Its Theoretical Analysis.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tatsuya Ohta, Kouji Ohuchi
2015 — conf
Proposal for superposed ACO-OFDM using several even subcarriers.
ICSPCS
Tomoyuki Kozu, Kouji Ohuchi
2015 — conf
Throughput analysis by simulation considering route forms in multi-hop networks with node-skipping.
ICSPCS
Kohei Mimura, Kouji Ohuchi
2014 J jnl
Error Detection Performance of TPSK Using AMI Code in Multi-Hop Communications under Rayleigh Fading Environments.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kotoko Yamada, Kouji Ohuchi
2013 — conf
Constant-amplitude signaling for an extended parallel combinatory multicode system and improvement of its BER.
ICSPCS
Tatsuya Ohta, Kouji Ohuchi
2013 — conf
Method for extending parallel combinatory multi-code transmission with constant-amplitude signaling.
IWSDA
Tatsuya Ohta, Kouji Ohuchi
2012 C conf
BER performance of multiplexed CSK using linear/circular polarization in optical wireless communications.
ISITA
Chiharu Mukai, Kouji Ohuchi
2012 C conf
Performance analysis of multi-pulse PPM/CSK on Ultra Wideband Impulse Radio.
ISITA
Tomoyuki Mochizuki, Kouji Ohuchi
2011 J jnl
A Tracking System Using a Differential Detector for
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Junya Kawata, Kouji Ohuchi, Hiromasa Habuchi
2008 J jnl
Effect of route diversity by employing turbo coding in multihop ad hoc and mesh networks.
Int. J. Sens. Networks
Tadahiro Wada, Hiraku Okada, Abbas Jamalipour, Kouji Ohuchi, Masato Saito
2007 J jnl
Performance Analysis of Source-Destination ARQ Scheme for Multiroute Coding in Wireless Multihop Networks.
IEICE Trans. Commun.
Hiraku Okada, Masato Saito, Tadahiro Wada, Kouji Ohuchi
2007 — conf
Performance Evaluation of Wireless Sensor Networks Using Turbo Codes with Multi-Route Transmission.
ICC
Tadahiro Wada, Kouji Ohuchi, Abbas Jamalipour, Hiraku Okada, Masato Saito
2006 — conf
Bit-error-rate Performance Improvement in Wireless Multi-hop Ad Hoc Networks using Route Diversity Considerations.
ICC
Tadahiro Wada, Hiraku Okada, Abbas Jamalipour, Kouji Ohuchi, Masato Saito
2006 J jnl
Constant Amplitude Signaling for Parallel Combinatory Spread Spectrum Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kouji Ohuchi
2006 — conf
Performance of Channel Information Estimation Method Utilizing Parity Check Bits for Turbo Coded Multi-route Multi-hop Networks.
ICC
Tadahiro Wada, Abbas Jamalipour, Hiraku Okada, Kouji Ohuchi, Masato Saito
2006 B conf
Performance of Enhanced PSM/CSK System Using Quadriphase E-Sequences.
PIMRC
Fumie Ono, Hiromasa Habuchi, Kouji Ohuchi
2006 B conf
Source-Destination Hybrid ARQ for Multi-Route Coding in Wireless Multi-Hop Networks.
PIMRC
Hiraku Okada, Tadahiro Wada, Kouji Ohuchi, Masato Saito, Kenichi Mase
2006 — conf
Throughput Evaluation of ARQ Scheme for Multi-route Coding in Wireless Multi-hop Networks.
VTC Spring
Hiraku Okada, Tadahiro Wada, Kouji Ohuchi, Masato Saito, Takaya Yamazato, Masaaki Katayama
2005 B conf
Effect of parity check bits in turbo coded multi-route multi-hop networks.
GLOBECOM
Tadahiro Wada, Abbas Jamalipour, Hiraku Okada, Kouji Ohuchi, Masato Saito
2001 — conf
Proposal of an initial acquisition method for DS/SS signals utilizing Walsh functions.
ICC
Tadahiro Wada, Kouji Ohuchi
1996 J jnl
Theoretical Analysis of
IEEE J. Sel. Areas Commun.
Kouji Ohuchi, Hiromasa Habuchi, Takaaki Hasegawa