Construction of the Analog Radio Over Fiber Technology Testbed with Linux PC-Based WiFi Access Points

Kojiro Nishimura, Satoru Okamoto, Ryuta Murakami, Naoaki Yamanaka, Motoharu Matsuura
2024 Volume 13 Issue 12 Pages 458-460

Circularly polarized cavity-backed antenna with variable magneto-electric crossed-dipole structure

Phanuphong Boontamchauy, Makoto Sano, Ryuji Kuse, Takeshi Fukusako
2024 Volume 13 Issue 11 Pages 421-425

Reflection-phase calculation of circularly polarized folded reflectarray antennas with low profile, high efficiency, and arbitrary aperture distribution

Makoto Sano, Ryuji Kuse, Takeshi Fukusako
2024 Volume 13 Issue 10 Pages 409-412

Experimental study on indoor drone positioning using Wi-Fi RTT

Yuichiro Sugiyama, Kentaro Kobayashi
2024 Volume 13 Issue 9 Pages 371-374

Location-Aided Fast Beam Tracking Algorithm for Millimeter-Wave V2I

Sojin Ozawa, Tokio Ikuta, Yuki Sasaki, Ryo Iwaki, Jin Nakazato, Manabu Tsukada, Hideya So, Kazuki Maruta
2024 Volume 13 Issue 5 Pages 146-150

ISAR imaging for drone detection based on backprojection algorithm using millimeter-wave fast chirp modulation MIMO radar

Kenshi Ogawa, Dovchin Tsagaanbayar, Ryohei Nakamura
2024 Volume 13 Issue 7 Pages 276-279

A Study on Gain and Bandwidth Enhancement of 4×4 Planar Array of X-Shaped Slot Antenna within Millimeter Wave Frequency Band

Mangseang Hor, Takashi Hikage
2024 Volume 13 Issue 6 Pages 176-180

Channel Capacity Evaluation of 920-MHz Band IoT Platform via LEO Satellite

Kazumitsu Sakamoto, Yosuke Fujino
2024 Volume 13 Issue 5 Pages 163-166

A Generalization of the Four Qubits Single Insertion Error-Correcting Code

Taro Shibayama
2024 Volume 13 Issue 4 Pages 126-129

Resource allocation for hybrid FSO/RF satellite-assisted multiple backhauled UAVs over Starlink networks

Khanh D. Dang, Hoang D. Le, Chuyen T. Nguyen, Anh T. Pham
2024 Volume 13 Issue 3 Pages 52-55

A study of vital signs monitoring mobility robot based on mm-wave FMCW radar

Yaokun Hu, Xuanyu Peng, Takeshi Toda
2024 Volume 13 Issue 2 Pages 9-13

Hybrid transmission scheme using FBMC and OFDM under multipath fading channels

Yuki Inoue, Shuhei Saito, Hirofumi Suganuma, Fumiaki Maehara
2024 Volume 13 Issue 1 Pages 1-4

QoE provisioning system for VoIP and video streaming using software-defined networking and IOTA micropayment

Jiayang Chen, Hideya Masaki, Kien Nguyen, Hiroo Sekiya
2023 Volume 12 Issue 12 Pages 587-590

Implementation and evaluation of NoisyNets to reinforcement learning of automated ICT system design

Tianchen Zhou, Yutaka Yakuwa, Natsuki Okamura, Takayuki Kuroda, Ikuko Eguchi Yairi
2023 Volume 12 Issue 11 Pages 575-578

A placement method of ground stations for optical satellite communications considering cloud attenuation

Thanh V. Pham, Hiroya Yamano, Susumu Ishihara
2023 Volume 12 Issue 10 Pages 568-571

Influence of cable length between TLP test system and DUT and its correction for CMCESD saturation measurement

Yusuke Yano, Kazuha Ishida, Jianqing Wang, Takeshi Ishida
2023 Volume 12 Issue 9 Pages 457-463

Optimization of UAV 3D trajectory in a post-disaster area using dual energy-aware bandits

Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi
2023 Volume 12 Issue 8 Pages 403-408

Scenario-specific radio propagation simulation from LiDAR point cloud data for smart office scenario

Kentaro Saito, Nopphon Keerativoranan, Jun-ichi Takada
2023 Volume 12 Issue 7 Pages 379-384

A circularly polarized broadband sequential array antenna with diamond-shaped artificial ground structure

Uuganbayar Purevdorj, Ryuji Kuse, Takeshi Fukusako
2023 Volume 12 Issue 6 Pages 282-287

Development of passive channel sounder using software defined radio and cellular signal

Deepak Gautam, Jun-ichi Takada
2023 Volume 12 Issue 5 Pages 175-180

60 GHz MMW sensor for monitoring driver's vital signs

Ryota Kawasaki, Akihiro Kajiwara
2023 Volume 12 Issue 4 Pages 145-150

Single-layer frequency selective dual-band reflectarray operating at 28 GHz and 39 GHz

Akira Uemura, Takumi Katoh, Takuji Arima, Wakana Kubo
2023 Volume 12 Issue 3 Pages 84-89

Experimental evaluation of Luneburg lens using radial holes for relative permittivity distribution

Maki Arai, Takana Kaho
2023 Volume 12 Issue 2 Pages 48-53

Handover improvement using O-RAN near-RT RIC for network with coverage hole

Baud Haryo Prananto, Iskandar, Adit Kurniawan
2023 Volume 12 Issue 1 Pages 19-23

Study of dual-band horn antenna for parabolic reflector in 12- and 21-GHz-band satellite broadcasting reception

Masafumi Nagasaka, Masashi Kamei
2022 Volume 11 Issue 12 Pages 728-733

Feasibility of rate-adjustment function in redundant mobile fronthaul system using short-reach transceiver

Hiroko Nomura, Keita Takahashi, Tatsuya Shimada, Tomoaki Yoshida
2022 Volume 11 Issue 11 Pages 685-690

Effectiveness of asymmetric line-of-sight MIMO transmission using millimeter-wave

Takanobu Watanabe, Kentaro Nishimori, Riku Okada
2022 Volume 11 Issue 10 Pages 619-624

Automatic Fast Failure Restoration on Software-Defined Optical Switch Controller with NETCONF/RESTCONF for All-Photonics Network

Takahiro Suzuki, Hiroshi Ou, Kota Asaka, Tatsuya Shimada, Tomoaki Yoshida
2022 Volume 11 Issue 11 Pages 709-714

A method for generating graphs to derive maximum flow and its evaluation

Takumi Wada, Haruhisa Ichikawa, Shinji Yokogawa, Yoshito Tobe, Yuusuke Kawakita
2022 Volume 11 Issue 8 Pages 468-473

Reactive route construction for UAV delivery considering travel time and safety using wireless multi-hop network

Yuto Kokubun, Taku Yamazaki, Ryo Yamamoto, Takumi Miyoshi, Kiyoshi Ueda
2022 Volume 11 Issue 7 Pages 405-410

Design and evaluation of remote tracking heart rate measurement based on millimeter-wave FMCW radar

Xuanyu Peng, Yaokun Hu, Takeshi Toda
2022 Volume 11 Issue 6 Pages 330-335

Accurate beam tracking scheme for V2N transmission using vehicle logs

Ryo Kato, Mamoru Okumura, Eiji Okamoto
2022 Volume 11 Issue 5 Pages 189-194

High-speed FDTD calculation method specialized for automotive radar analysis

Tomokazu Okugi, Kan Okubo
2022 Volume 11 Issue 4 Pages 165-170

Leakage magnetic field suppression using wireless power transmission with sandwiched structure

Hiroyasu Sano, Yukihisa Suzuki, Masao Taki
2022 Volume 11 Issue 3 Pages 135-140

Evaluation of the effect of raindrops on the on-glass antenna

Osamu Kagaya, Takafumi Kikuchi, Keisuke Arai, Takuji Arima, Toru Uno
2022 Volume 11 Issue 2 Pages 93-97

Continuous blood pressure monitoring with MMW radar sensor

Ryota Kawasaki, Akihiro Kajiwara
2021 Volume 10 Issue 12 Pages 997-1002

Verification of GNSS multipath and positioning in urban areas using 3D maps

Rei Furukawa, Nobuaki Kubo, Ahmed El-Mowafy
2020 Volume 9 Issue 11 Pages 529-534

Adaptive spreading factor assignment for VLC-OFDM-IDMA with PIC

Kazushi Shimada, Shun Kojima, Kazuki Maruta, Chang-Jun Ahn
2021 Volume 10 Issue 11 Pages 852-857

PAM-4 eye-opening monitoring techniques based on Gaussian mixture model fitting

Yasushi Yuminaka, Keigo Taya, Yosuke Iijima
2020 Volume 9 Issue 10 Pages 464-469

A study on Σ-Δ directional antenna array for EM energy harvesting

Nobuyasu Takemura
2021 Volume 10 Issue 9 Pages 709-714

Beamforming a circular-polarized radiation pattern on volumetric random arrays with deliberately aligned array antennas

Shihyuan Yeh, Zhong Chen
2021 Volume 10 Issue 9 Pages 613-618

Variable sleep period control of energy-efficient network interfaces for QoP-aware networked control systems

Takaharu Yamanaka, Takanori Iwai, Ryogo Kubo
2021 Volume 10 Issue 6 Pages 301-306

Optically transparent dual- polarized reflectarray with independently controllable beam for 5G communication systems

Lin Wang, Hiroki Hagiwara, Yuko Rikuta, Toshiyuki Kobayashi

Mobility-Aware Null-Space Expansion for Multiuser Massive MIMO

Nobutaka Funaki, Kazuki Maruta, Chang-Jun Ahn
2021 Volume 10 Issue 6 Pages 324-330

Prediction-Aided Precoding for Multiuser Massive MIMO Null-Space Expansion

Kabuto Arai, Kazuki Maruta, Chang-jun Ahn
2021 Volume 10 Issue 5 Pages 212-218

Radar cross section measurement of road debris in 79 GHz-band

Ryo Yamada, Masahiro Shibao, Akihiro Kajiwara
2021 Volume 10 Issue 2 Pages 81-86

A novel adaptive range-bin selection method for remote heart-rate measurement of an indoor moving person using mm-wave FMCW radar

Yaokun Hu, Takeshi Toda
https://doi.org/10.1587/comex.2021XBL0032

The Four Qubits Deletion Code is the First Quantum Insertion Code

Manabu Hagiwara
https://doi.org/10.1587/comex.2020XBL0191

Performance comparison of IM-based OFDM and OFDM with multiple constellations

Binh Vo, Ha H. Nguyen
2017 Volume 6 Issue 1 Pages 34-39

Operational range increasement for STPA-BAA spectrum superposing using subcarrier modulation adaptation

Katsuya Senoo, Kazuki Maruta, Takatoshi Sugiyama, Chang-Jun Ahn
2020 Volume 9 Issue 1 Pages 13-18

Radio wave propagation simulation considering Doppler shift caused by other vehicles

Naozumi Ando, Kazuma Tomimoto, Ryo Yamaguchi, Mitoshi Fujimoto
2020 Volume 9 Issue 2 Pages 31-35

Theoretical analysis of interference between directional beams in drone-based 3D mesh network

Nobuyuki Shiraki, Takefumi Hiraguri, Isamu Shitara, Naoki Honma
2020 Volume 9 Issue 3 Pages 72-76

The first quantum error-correcting code for single deletion errors

Ayumu Nakayama, Manabu Hagiwara
2020 Volume 9 Issue 4 Pages 100-104

Heart-rate monitoring of moving persons using 79 GHz ultra-wideband radar sensor

Masahiro Shibao, Akihiro Kajiwara
2020 Volume 9 Issue 5 Pages 125-130

High-speed radio-resource scheduler with hardware accelerator for fifth generation mobile communications systems

Yuki Arikawa, Hiroyuki Uzawa, Takeshi Sakamoto, Satoshi Shigematsu, Shunji Kimura
2017 Volume 6 Issue 5 Pages 236-241

Beltrami-Klein disk model as viewed for use in impedance trajectory projection

Takashi Ohira
2020 Volume 9 Issue 7 Pages 256-261

Sequential maximum likelihood decoding incorporating reliability determination for image sensor communication

Zhengqiang Tang, Shintaro Arai, Tomohiro Yendo, Di He, Takaya Yamazato
2020 Volume 9 Issue 8 Pages 365-370

Design and analysis of dual-polarized reflectarray with low sidelobe level for wireless communication applications

Lin Wang, Hiroki Hagiwara, Yuko Rikuta, Toshiyuki Kobayashi, Hiromi Matsuno, Takahiro Hayashi, Satoshi Ito, Masayuki Nakano
2020 Volume 9 Issue 9 Pages 421-425

Representation of an equivalent circuit for capacitive wireless power transfer using a distributed-constant circuit

Yasumasa Naka, Masaya Tamura
2020 Volume 9 Issue 10 Pages 457-463

Development of 500kHz muscle equivalent solid phantom

Aditya Rakhmadi, Kazuyuki Saito
2020 Volume 9 Issue 11 Pages 519-523

Simple urination detection system using RFID

Hiromasa Nakajima, Masaharu Takahashi, Kazuyuki Saito, Koichi Ito
2013 Volume 2 Issue 3 Pages 98-103