Online edition: ISSN 2432-6380
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IT2025-36
Development of Uplink Transmit Power Control in a 5G NR-Compatible UL-NOMA System and Results of an Outdoor Video Transmission Experiment
Masafumi Moriyama, Takashi Matsuda, Kazuya Takashima, Takeshi Matsumura (NICT)
pp. 1 - 6
IT2025-37
Doppler and Delay Pre-Compensation for Seamless Antenna Switching in mmWave Backhaul under High-mobility Scenarios
Daichi Shirase, Toshiki Takeuchi, Kazushi Muraoka (NEC)
pp. 7 - 12
IT2025-38
Evaluation of Beam-Frequency Alignment Based Uplink Scheduling for Joint Phase-Time Array Millimeter Wave Systems
Masahiro Takigawa, Issei Kanno (KDDI Research)
pp. 13 - 18
IT2025-39
Study on a High-Accuracy Demodulation Scheme for DFT-s-OFDM Using CAF
Shota Mogami, Tomoharu Furudoi, Takumi Takahashi, Hideki Ochiai (UOsaka)
pp. 19 - 24
IT2025-40
A Study on Improving Decoded Image Quality in JPEG Image Transmission Using Polar Codes
Ryoma Yamamoto, Takumi Takahashi, Hideki Ochiai (UOsaka)
pp. 25 - 30
IT2025-41
CAZAC-based Chirp Division Multiplexing
Ryoya Saito (UEC), Koichi Adachi (Keio Univ.)
pp. 31 - 36
IT2025-42
Performance of Differential OFDM for Underwater Acoustic Communications by Shallow Water Experiments in the Presence of Severe Double Selectivity
Takaaki Shimomura (Ritsumeikan Univ.), Mitsuyasu Deguchi, Yukihiro Kida, Takuya Shimura (JAMSTEC), Hiroshi Kubo (Ritsumeikan Univ.)
pp. 37 - 42
IT2025-43
Proposal and Evaluation of a Radio Resource Allocation Scheme for Improving QoE in Video Streaming under Crowded Area
Hiroto Yorioka, Mizuki Suga, Yasuyoshi Yamamoto, Hideyuki Tsuboi, Takafumi Fujita (NTT)
pp. 43 - 48
IT2025-44
Access Control Scheme Incorporating Terminal Responses in Uplink Terminal-Cooperative Communication Systems
Tomoharu Asano (Nagoya Univ.), Hiraku Okada (Meijo Univ.), Shan Lu, Takaya Yamazato (Nagoya Univ.)
pp. 49 - 54
IT2025-45
A Consideration of Characteristic of Irreducible Polynomials of Gauss Period Normal Basis
Yasuyuki Nogami, Hiro Fukui, Yuta Kodera (Okayama Univ.)
pp. 55 - 60
IT2025-46
Revisiting LPN based Pseudorandom number Generator
Jin Yang, Bagus Santoso (UEC)
pp. 61 - 66
IT2025-47
Computing Information Gradients for Nonlinear Gaussian Channels via Score Matching
Tadashi Wadayama (NiTech)
pp. 67 - 72
IT2025-48
Theoretical Analysis of Nonlinear Distortion Arising from the Rapp Model (Smoothness Factor s=1) in Self-Interference Cancellation
Yusuke Kaiya, Yuichi Miyaji (AIT)
pp. 73 - 78
IT2025-49
Analog Self-Interference Cancellation Considering LNA Operating Point in In-Band Full-Duplex Using an Auxiliary Transmitter and Its Experimental Evaluation
Shuji Yamasaki, Yuto Kato, Kazuki Komatsu (Toyohashi of Technology), Yuichi Miyaji (Aichi Institute of Technology), Hideyuki Uehara (Toyohashi of Technology)
pp. 79 - 84
IT2025-50
Selective BAA application based on Interference Estimation using Machine Learning in LTE-WLAN Coexistence environment
Kotaro Fukue, Takeshi Kazama (Tokyo Univ. of Science), Hideya So (Kogakuin Univ.), Shun Kojima (Yokohama National Univ.), Kazuki Maruta (Tokyo Univ. of Science)
pp. 85 - 90
IT2025-51
WREN: Low Light Image Enhancement Using Retinex theory-based
Reina Kaneko, Junya Hara, Hiroshi Higashi, Yuichi Tanaka (UOsaka)
pp. 91 - 96
IT2025-52
A Study on the Design of High Graph-Frequency-Density Graph Fourier Frames
Tadasuke Fujita, Kaito Nitani, Seisuke Kyochi (Kogakuin Univ.)
pp. 97 - 102
IT2025-53
Signal Recovery by Input Difference-of-Convex Neural Network
Towa Yasui, Seisuke Kyochi (Kogakuin Univ.)
pp. 103 - 108
IT2025-54
[Invited Talk]
Double-Stack Erasure-Filled Channel and Level-By-Level Error Correction
Hironori Uchikawa (Kioxia Corp.), Manabu Hagiwara (Chiba Univ.)
p. 109
IT2025-55
[Invited Talk]
Research Trends and Future Prospects of Physical-Layer Security
Shun Kojima (Yokohama National Univ.)
p. 110
IT2025-56
[Invited Talk]
A Look Beyond Massive MIMO - Working with a Huge Number of Antennas
Rui Dinis (Nova FCT)
p. 111
IT2025-57
Satellite Configuration to Avoid Temporary Capacity Degradation in Satellite Constellations Using MIMO Feeder Links
Masaru Sakai, Takaaki Owaki, Hiraku Okada, Takaya Yamazato (Nagoya Univ.), Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Tomohiro Tokuyasu, Fumihiro Yamashita (NTT)
pp. 112 - 117
IT2025-58
A Study on M-ary Coding for Synchronous Optical CDMA System Using Level Division Multiplexing
Yusei Hara, Kotoku Omura, Shinichiro Miyazaki (PTU)
pp. 118 - 123
IT2025-59
Proposal for Packet Length Control Based on Distance to Unmanaged APs in Wireless LAN Multi-Link Systems
Takahiro Murakami, Hideya So (Kogakuin Univ), Kotaro Nagano, Shinya Ohtsuki, Yusuke Asai (NTT)
pp. 124 - 129
IT2025-60
Experimental Demonstration of Chaos-Coded Modulation Using IoT-Based Simple Software-Defined Radios
Takeshi Nagata, Eiji Okamoto (NIT), Naoto Horiike, Tetsuya Yamamoto (Panasonic Holdings)
pp. 130 - 135
IT2025-61
Multiuser Diversity-Aware Autonomous Decentralized TRP Group Selection to Maximize System Throughput in Downlink Distributed MIMO
Yuta Yagi, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
pp. 136 - 141
IT2025-62
Access Point Clustering and Transmit Power Control Method Based on Differentiable Ray Tracing for Scalable Network Full-Duplex Cell-Free massive MIMO
Yuki Murakami, Kabuto Arai, Koji Ishibashi (UEC)
pp. 142 - 147
IT2025-63
Study on Beamfocusing in User Cooperative Communication in the Near Field of a Base Station
Masahito Funaki, Toshihiko Nishimura, Yasutaka Ogawa, Katsuya Suto, Takeo Ohgane (Hokkaido Univ.)
pp. 148 - 153
IT2025-64
Fast Weight Derivation for Phase-Controlled Massive MIMO Null-Space Expansion with Analog Beamforming
Masaya Ueda, Yuta Tsunoda, Kazuki Maruta (Tokyo Univ. of Science), Chun-hsiang Huang, Koji Ikuta (Kyocera)
pp. 154 - 159
IT2025-65
Broad-Range Null-Steering Reception in Coordinated Multi-RSU V2I MIMO Transmission
Keishi Hijikata, Sojin Ozawa, Yuta Tsunoda, Yuki Sasaki, Jin Nakazato (Tokyo Univ. of Science), Haruki Osaki, Tetsuya Iye (KKE), Kazuki Maruta (Tokyo Univ. of Science)
pp. 160 - 165
IT2025-66
Evaluation of CRU Deployment Schemes Based on Area-Specific Characteristics Using Actual User and Vehicle Distributions in Adaptive C-RAN
Shunusuke Ohfuji, Hideya So (Kogakuin univ), Jin Nakazato, Kazuki Maruta (Tokyo Univ of Science), Yu Nakayama (Tokyo Univ of Agriculture and Technology)
pp. 166 - 171
IT2025-67
Efficient RIS Control Based on Optimization of High-Order Ising Problems
Tasuku Okamoto, Naoki Ishikawa (YNU), Daisuke Kitayama (NTT), Yuto Hama (YNU), Kensuke Inaba, Toshimori Honjo, Hiroki Takesue, Hiroyuki Takahashi (NTT)
pp. 172 - 177
IT2025-68
A Study of Sparse Noncoherent Codes
Jo Asano (YNU), Yuto Hama, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky (ERJ), Naoki Ishikawa (YNU)
pp. 178 - 183
IT2025-69
Computationally Efficient Deep-Unfolded Multi-Tap Time-Domain Precoding
Soma Kato (Yokohama National Univ.), Hiroki Iimori, Yuto Hama, Chandan Pradhan, Szabolcs Malomsoky (ERJ), Naoki Ishikawa (Yokohama National Univ.)
pp. 184 - 189
IT2025-70
A Study on an ANC System Using the Frequency-Domain Simultaneous Perturbation Method with Variable Perturbation and Variable Step-Size Parameters under Disturbance Environments
Fuma Tsujiwaki, Shota Toyooka, Yoshinobu Kajikawa (Kansai Univ.)
pp. 190 - 195
IT2025-71
A Method to Estimate Low SNR Regions for Optimal Deployment of UAV Relays in Next-Generation Mobile Communications
Taiga Shimano, Kazuhiko fukawa (Science Tokyo)
pp. 196 - 201
IT2025-72
A disaster location identification system for victims using a drone WiFi relay system” using WiFi installed on a mobile phone
-- A Wi-Fi based system that enables independent operation --
Teruya Fujii, Atsushi Yamane (Science Tokyo), Norikazu Eda, Susumu Yoneda (SB), Takeshi Ito, Yuya Okumura (Mtex)
pp. 202 - 207
IT2025-73
Optimization of frequency sharing between terrestrial cells and sky cells using directional antennas mounted on UAV in cellular mobile communications
Toshihisa Tsuji, Teruya Fujii (Science Tokyo)
pp. 208 - 213
IT2025-74
Differential-equation model and estimation of Doppler-tolerant waves: linear-period modulation, complex-log exponent, and arctangent-phase waves
Shigeru Ando (Univ. Tokyo)
pp. 214 - 219
IT2025-75
Evaluation of the Effect of Directivity Deviations on DOA Estimation on MIMO Radar
Ryo Ijichi, Ryuichiro Kataoka, Steven Wandale, Koichi Ichige (Yokohama National Univ.), Shota Kunikata, Ryo Saito, Katsuhisa Kashiwagi, Takahiro Kinoshita (Murata Manufacturing)
pp. 220 - 225
IT2025-76
High-Accuracy Calibration of MIMO Radar Based on a Kronecker-Product-Constrained Directivity Error Model
Ryuichiro Kataoka, Ryo Ijichi, Steven Wandale, Koichi Ichige (YNU), Shota Kunikata, Ryo Saito, Katsuhisa Kashiwagi, Takahiro Kinoshita (Murata Manufacturing)
pp. 226 - 231
IT2025-77
Development of sound communication system for embedded devices (TS-E1)(II)
-- Utilization of physical layer structures --
Kenichi Ikeda, Shio Tamba, Hiroyuki Namba, Hiroshi Yasuda (SST), Naohumi Aoki (Hokkaido Univ.)
pp. 232 - 236
IT2025-78
Analysis of quantum detection performance in the two-source separation problem by hypothesis testing
-- From the perspective of singular learning theory --
Natsuki Kariya (MHRT)
pp. 237 - 241
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.