| 2025 | ISCAS | Individual optimization of FOV for vertices and side PDs of Angle Diversity Receiver for Underwater Visible Light Communication. | Yusuke Kozawa, Keigo Matsunaga, Hiromasa Habuchi |
| 2023 | GLOBECOM | Enhancement of Optimized CSK for USLIPT. | Honoka Yoshinaga, Yusuke Kozawa, Hiromasa Habuchi |
| 2023 | ISCAS | Theoretical analysis of underwater simultaneous light Information and power transfer using inverted N parallel code shift keying with power splitting reciver. | Masao Koshimoto, Yusuke Kozawa, Hiromasa Habuchi |
| 2023 | ISCAS | Optimal FOV of Angular Diversity Receiver for Underwater Visible Light Communications. | Keigo Matsunaga, Yusuke Kozawa, Hiromasa Habuchi |
| 2022 | ISITA | Influence of Reflected Light in Illumination-Light VN-CodeSK Based Positioning Systems. | Yuta Ochiai, Daisuke Ogawa, Yusuke Kozawa, Hiromasa Habuchi |
| 2020 | GLOBECOM | Chlorophyll concentration-based CSK constellation point optimization for Underwater SLIPT using Time Splitting receiver. | Takuma Kogo, Yusuke Kozawa, Hiromasa Habuchi |
| 2019 | ITNAC | Frame Synchronization Performance of Optical-Wireless Hybrid BPPM-OOK System. | Tomohiro Kiguchi, Ran Sun, Hiromasa Habuchi, Yusuke Kozawa |
| 2019 | ITNAC | Theoretical Analysis of Equal-Weight (2, 2) VSS on VN-CSK Illumination Light Communication. | Keisuke Manaka, Liyuan Chen, Hiromasa Habuchi, Yusuke Kozawa |
| 2017 | ITNAC | Inverse pulse position modulation schemes for simultaneous visible light wireless information and power transfer. | Ryota Kimoto, Yusuke Kozawa, Yohtaro Umeda, Hiromasa Habuchi |
| 2017 | ITNAC | Proposal of optical wireless turbo coded APPM system. | Ran Sun, Hiromasa Habuchi, Yusuke Kozawa |
| 2017 | ITNAC | SCDMA capability of high-density code-shift keying using dual MPOMs in optical-wireless channel. | Takashi Tokunaga, Hiromasa Habuchi, Yusuke Kozawa, Ran Sun |
| 2015 | APCC | Optical-wireless enhanced code-shift-keying with IM/DD. | Shota Takayanagi, Hiromasa Habuchi, Yusuke Kozawa |
| 2014 | ISITA | Enhancement of punctured turbo code with UTPA in optical wireless channel. | Sachin Rai, Hiromasa Habuchi |
| 2012 | GLOBECOM | Performance analysis of multi-pulse PPM for optical wireless hierarchical transmission system. | Yusuke Kozawa, Hiromasa Habuchi |
| 2012 | ISITA | Analysis of hierarchical multi-pulse PPM using modified pseudo orthogonal M-sequence set. | Yusuke Kozawa, Hiromasa Habuchi |
| 2012 | ISITA | A novel synchronization scheme for Bi-orthogonal modulation using modified pseudo-ternary M-sequence. | Masaya Yamagata, Hiromasa Habuchi |
| 2011 | ICCCN | Multiple Access Performance for Repeated-Permutation MPPM with Interference Avoidance. | Tatsuya Muramatsu, Toshiki Kato, Fumie Ono, Hiromasa Habuchi |
| 2010 | ISITA | Theoretical analysis of M-CSK/CDMA system in optical wireless channel. | Yusuke Kozawa, Hiromasa Habuchi |
| 2009 | GLOBECOM | Theoretical Analysis of Optical Wireless CDMA with Modified Pseudo Orthogonal M-Sequence Sets. | Yusuke Kozawa, Hiromasa Habuchi |
| 2009 | PIMRC | Throughput analysis of the nonorthogonal CSK/SS random access system on communication between users. | Nobuyoshi Komuro, Hiromasa Habuchi |
| 2008 | GLOBECOM | Enhancement of Optical Wireless Multi-Pulse PPM. | Yusuke Kozawa, Hiromasa Habuchi |
| 2007 | PIMRC | Theoretical Analysis of Spread-Spectrum Push/Pull Type Packet Compensation Protocol on Local Broadcasting Services. | Koichiro Hashiura, Hiromasa Habuchi |
| 2007 | PIMRC | Throughput Analysis of the Channel Estimation-Oriented Access Control Scheme on CSK/CDMA. | Nobuyoshi Komuro, Hiromasa Habuchi, Toshinori Tsuboi |
| 2007 | PIMRC | Theoretical Analysis of Atmospheric Optical PPM CDMA with Pseudo-orthogonal M-sequences. | Yusuke Kozawa, Hiromasa Habuchi |
| 2006 | PIMRC | Analysis of Packet Compensation Protocols with MCS/CDMA for Local Broadcasting Services. | Koichiro Hashiura, Hiromasa Habuchi |
| 2006 | PIMRC | Performance of Enhanced PSM/CSK System Using Quadriphase E-Sequences. | Fumie Ono, Hiromasa Habuchi, Kouji Ohuchi |
| 2005 | ISCAS | Design of UWB pulses based on B-splines. | Mitsuhiro Matsuo, Masaru Kamada, Hiromasa Habuchi |
| 2005 | PIMRC | Novel code selecting/spacing ALOHA system. | Fumie Ono, Hiromasa Habuchi, Tsuyoshi Arai |
| 2005 | WCNC | Design of UWB pulses by spline approximation. | Mitsuhiro Matsuo, Masaru Kamada, Hiromasa Habuchi |
| 2002 | GLOBECOM | M-ary/SSMA slotted ALOHA with traffic control scheme on erroneous feedback channels. | Tsuyoshi Arai, Hiromasa Habuchi |
| 2002 | GLOBECOM | Throughput analysis of nonorthogonal multilevel spread ALOHA systems. | Nobuyoshi Komuro, Hiromasa Habuchi, Masaru Kamada |
| 2002 | GLOBECOM | Performance of the time hopping modified PSM system on the AWGN channel. | Fumie Ono, Hiromasa Habuchi |
| 2000 | PIMRC | A comparison of the M-ary/SSMA ALOHA system and the DS/SSMA ALOHA system. | Tsuyoshi Arai, Hiromasa Habuchi |
| 2000 | PIMRC | A novel synchronization method for bi-orthogonal modulation systems. | Hiromasa Habuchi, Yasuo Usui |
| 2000 | PIMRC | Proposal of a spread ALOHA system using the SS-CSC technique. | Nobuyoshi Komuro, Hiromasa Habuchi |
| 2000 | PIMRC | Performance analysis of the SS-PSM system using E-sequences and a preamble. | Fumie Ono, Hiromasa Habuchi |
| 1997 | PIMRC | A synchronization system with differential detector for the SS-CSC system. | Hiromasa Habuchi, Toshio Takebayashi, Takaaki Hasegawa |