Theoretical Analysis of M-ary/SS Communication Systems Using Racing Counter and a Hadamard Matrix. - Kouji Ohuchi; Hiromasa Habuchi; Takaaki Hasegawa (IEEE J. Sel. Areas Commun., 1996)

Proposal of an initial acquisition method for DS/SS signals utilizing Walsh functions. - Tadahiro Wada; Kouji Ohuchi (ICC, 2001)

Effect of parity check bits in turbo coded multi-route multi-hop networks. - Tadahiro Wada; Abbas Jamalipour; Hiraku Okada; Kouji Ohuchi; Masato Saito (GLOBECOM, 2005)

Performance of Channel Information Estimation Method Utilizing Parity Check Bits for Turbo Coded Multi-route Multi-hop Networks. - Tadahiro Wada; Abbas Jamalipour; Hiraku Okada; Kouji Ohuchi; Masato Saito (ICC, 2006)

Bit-error-rate Performance Improvement in Wireless Multi-hop Ad Hoc Networks using Route Diversity Considerations. - Tadahiro Wada; Hiraku Okada; Abbas Jamalipour; Kouji Ohuchi; Masato Saito (ICC, 2006)

Source-Destination Hybrid ARQ for Multi-Route Coding in Wireless Multi-Hop Networks. - Hiraku Okada; Tadahiro Wada; Kouji Ohuchi; Masato Saito; Kenichi Mase (PIMRC, 2006)

Performance of Enhanced PSM/CSK System Using Quadriphase E-Sequences. - Fumie Ono; Hiromasa Habuchi; Kouji Ohuchi (PIMRC, 2006)

Throughput Evaluation of ARQ Scheme for Multi-route Coding in Wireless Multi-hop Networks. - Hiraku Okada; Tadahiro Wada; Kouji Ohuchi; Masato Saito; Takaya Yamazato; Masaaki Katayama (VTC Spring, 2006)

Constant Amplitude Signaling for Parallel Combinatory Spread Spectrum Systems. - Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Performance Evaluation of Wireless Sensor Networks Using Turbo Codes with Multi-Route Transmission. - Tadahiro Wada; Kouji Ohuchi; Abbas Jamalipour; Hiraku Okada; Masato Saito (ICC, 2007)

Performance Analysis of Source-Destination ARQ Scheme for Multiroute Coding in Wireless Multihop Networks. - Hiraku Okada; Masato Saito; Tadahiro Wada; Kouji Ohuchi (IEICE Trans. Commun., 2007)

Effect of route diversity by employing turbo coding in multihop ad hoc and mesh networks. - Tadahiro Wada; Hiraku Okada; Abbas Jamalipour; Kouji Ohuchi; Masato Saito (Int. J. Sens. Networks, 2008)

A Tracking System Using a Differential Detector for M-ary Bi-orthogonal Spread Spectrum Communication Systems. - Junya Kawata; Kouji Ohuchi; Hiromasa Habuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Performance analysis of multi-pulse PPM/CSK on Ultra Wideband Impulse Radio. - Tomoyuki Mochizuki; Kouji Ohuchi (ISITA, 2012)

BER performance of multiplexed CSK using linear/circular polarization in optical wireless communications. - Chiharu Mukai; Kouji Ohuchi (ISITA, 2012)

Constant-amplitude signaling for an extended parallel combinatory multicode system and improvement of its BER. - Tatsuya Ohta; Kouji Ohuchi (ICSPCS, 2013)

Method for extending parallel combinatory multi-code transmission with constant-amplitude signaling. - Tatsuya Ohta; Kouji Ohuchi (IWSDA, 2013)

Error Detection Performance of TPSK Using AMI Code in Multi-Hop Communications under Rayleigh Fading Environments. - Kotoko Yamada; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Proposal for superposed ACO-OFDM using several even subcarriers. - Tomoyuki Kozu; Kouji Ohuchi (ICSPCS, 2015)

Throughput analysis by simulation considering route forms in multi-hop networks with node-skipping. - Kohei Mimura; Kouji Ohuchi (ICSPCS, 2015)

Circular Polarized Optical OFDM for Optical Wireless Communication. - Kazuo Hagihara; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Extension of Parallel Combinatory Multicode Transmission with Constant-Amplitude Signaling and Its Theoretical Analysis. - Tatsuya Ohta; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

On blind estimation with reduced complexity in CSS-OFDM systems. - Takahiro Kitazawa; Kouji Ohuchi (ISSPIT, 2016)

BER performance of Superposed ACO-OFDM in multi-path fading channel. - Tomoyuki Kozu; Kouji Ohuchi (ISSPIT, 2016)

Theoretical Bit Error Rate in a Circular Polarized Optical OFDM System. - Kazuo Hagihara; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Performance of multilevel differential polarization shift keying with estimation of inclined polarization axes over atmospheric turbulence channel. - Yusuke Ito; Kouji Ohuchi (ITNAC, 2017)

PAPR Reduction in OFDM Signal by Combining Partial Transmit Sequences with Precoding Matrix. - Ryohei Iwasaki; Kouji Ohuchi (ICSPCS, 2018)

Performance Analysis of Total Power Consumption in Linear Multi-hop Networks. - Satoshi Yamazaki; Kouji Ohuchi (Wirel. Pers. Commun., 2018)

Investigation into Symbol Error Rate of Multilevel Differential Polarization Shift Keying with Estimation of Inclined Polarization Axes. - Kouji Ohuchi; Yusuke Ito (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

Throughput Analysis of Dynamic Multi-Hop Shortcut Communications for a Simple Model. - Satoshi Yamazaki; Ryuji Asakura; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Energy-Efficiency Comparison of Ad-hoc Routings in a Shadowing Environment for Smart IoT. - Yuta Kuwahara; Naoki Aihara; Satoshi Yamazaki; Kouji Ohuchi; Hideki Mizuno (ICOIN, 2021)

Blind Carrier Frequency Offset Estimation in Weighted Fractional Fourier Transform Communication Systems. - Toshifumi Kojima; Kouji Ohuchi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Analysis of integrated IDFT and Zadoff-Chu matrix precoding processes in OFDM systems. - Kouji Ohuchi (ICT Express, 2025)