ITE Technical Report

Online edition: ISSN 2424-1970

Broadcasting and Communication Technologies

Workshop Date : 2026-01-29 - 2026-01-30 / Issue Date : 2026-01-22

BCT2026-1
Design and Prototype Evaluation of 4th-Harmonic Single-Push Voltage-Controlled Oscillator with Varactor-Loaded Transmission Lines
Ibuki Machidori, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 1 - 4

BCT2026-2
Broadband Design and Prototype Evaluation of Low-Loss Planar Magic-T with Radial-Stub-Loaded Coplanar Stripline
Ryota Minamimura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 5 - 8

BCT2026-3
Prototype Evaluation of 3rd-Harmonic Single-Push Oscillator Employing Transmission-Line-Loaded Ring Resonator
Daichi Hayashi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ)
pp. 9 - 12

BCT2026-4
Measurement of Local 5G Radio Propagation Penetrating Indoor Environments from Outdoors
Kiri Nishihara, Kentarou Tanabe, Tsuyoshi Matsuoka, Kenichi Ishida (Kyushu Sangyo Univ.), Masatoshi Matsubara (QTnet)
pp. 13 - 16

BCT2026-5
An Antenna Sensor in Radio-Wave-Type Endoscope for Detecting Intrahepatic Blood Vessels
Satoru Shiraishi, Takafumi Fujimoto, Chai-Eu Guan, Toshiyuki Tanaka (Nagasaki Univ.), Yoko Maemura (Univ. of Nagasaki)
pp. 17 - 20

BCT2026-6
Investigation of Optimal Antenna Element Number in RF Array Differential Rectennas Based on Detailed Loss Analysis of Feed Structure Components
Yusuke Cho, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
pp. 21 - 24

BCT2026-7
Simulation-Based Evaluation of LO-Signal Suppression in Microstrip Active Antenna Integrating Balanced Up-Converter and Differential Amplifier
Daiki Yamasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 25 - 28

BCT2026-8
Estimation of Blood Volume in the Subcutaneous Fatty Tissue Using a Radio-Wave System
Shunsuke Takahashi, Takafumi Fujimoto, Chai-Eu Guan (Nagasaki Univ.)
pp. 29 - 32

BCT2026-9
Wide-Field High-Resolution Content Production with a Compact 8K×8K Camera
Kodai Kikuchi, Akira Honji, Kohei Tomioka, Shunsuke Kondou, Shibasaki Takeshi, Kazuya Kitamura (NHK)
pp. 33 - 36

BCT2026-10
(See Japanese page.)
pp. 37 - 41

BCT2026-11
Reconfigurable Reflectarray with Mechanical Rotation for Switchable Reflection Phase Distributions
Dai Oyama, Hibiki Shiiba, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.)
pp. 42 - 45

BCT2026-12
Prototype Evaluation of Polarization Switching Characteristics of Six-Element Ring Array Employing Reconfigurable Circularly Polarized Antennas Loaded with Shorted-End Microstrip Perturbation Elements
Yuta Nakao, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
pp. 46 - 49

BCT2026-13
Design and Analysis of Frequency-Tunable Circularly Polarized Microstrip Patch Antenna Using Varactor-Loaded Ring-Slot Structure
Yuki Hirayama (Saga Univ.), Htet Wai Htun (NICT), Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
pp. 50 - 53

BCT2026-14
A Circularly Polarized Printed Monopole Antenna for body movement detection and vital sensing in UWB High-Band -- Study on Gain Enhancement --
Koshi Maeda, Takafumi Fujimoto, Chai-Eu Guan (Nagasaki Univ.)
pp. 54 - 57

BCT2026-15
Circularly Polarized Waveguide Antenna with Polarization Sharing Using Two Probes and Perturbating Elements
Kokoro Nishio, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.)
pp. 58 - 61

BCT2026-16
Improvement of Radiation Pattern of Wullenweber Phased Array Antenna in Horizontal Plane
Mitsuo Taguchi (Nagasaki Univ.), Haruo Kawakami (Kato Denki Industry)
pp. 62 - 65

BCT2026-17
Laboratory Verification of Transmitting Station Identification Code for ISDB-T3
Yuki Hirabayashi, Tomoaki Takeuchi, Masahiro Okano (NHK)
pp. 66 - 69

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Image Information and Television Engineers (ITE), Japan