Hiroyuki Arai

Atsuki Mizuno, Daisuke Uchida, Hiroyuki Arai: MIMO Phase Control Relaying System. IEICE Transactions 96-B(1): 340-343 (2013)

Hiroyuki Arai, Daisuke Uchida: Design of MIMO Antennas for Indoor Base Station and Mobile Terminal. IEICE Transactions 95-B(1): 10-17 (2012)

Hiroki Moriya, Koichi Ichige, Hiroyuki Arai, Takahiro Hayashi, Hiromi Matsuno, Masayuki Nakano: Improving Elevation Estimation Accuracy in DOA Estimation: How Planar Arrays Can Be Modified into 3-D Configuration. IEICE Transactions 95-A(10): 1667-1675 (2012)

Chomora Mikeka, Hiroyuki Arai, Apostolos Georgiadis, Ana Collado: DTV band micropower RF energy-harvesting circuit architecture and performance analysis. RFID-TA 2011: 561-567

Daisuke Uchida, Hiroyuki Arai, Yuki Inoue, Keizo Cho: A Low-Profile Dual-Polarized Directional Antenna for Enhancing Channel Capacity in Indoor MIMO Systems. IEICE Transactions 93-B(10): 2570-2577 (2010)

Isao Miyagawa, Hiroyuki Arai, Hideki Koike: Simple Camera Calibration From a Single Image Using Five Points on Two Orthogonal 1-D Objects. IEEE Transactions on Image Processing 19(6): 1528-1538 (2010)

Daisuke Uchida, Hiroyuki Arai, Yokohama Inoue, Keizo Cho: Antenna Selection Based on Minimum Eigenvalue in Dual-Polarized Directional MIMO Antenna. VTC Spring 2010: 1-5

Minseok Kim, Takayuki Moteki, Koichi Ichige, Hiroyuki Arai: Efficient Heterodyne Digital Receiver with Direct RF-to-Digital Conversion for Software Defined Radio. IEICE Transactions 92-A(4): 1056-1062 (2009)

Hiroyuki Arai, Isao Miyagawa, Hideki Koike, Miki Haseyama: Estimating Number of People Using Calibrated Monocular Camera Based on Geometrical Analysis of Surface Area. IEICE Transactions 92-A(8): 1932-1938 (2009)

Daisuke Uchida, Hiroyuki Arai, Yuki Inoue, Keizo Cho: Experimental Assessment of the Channel Capacity in Indoor MIMO Systems Using Dual-Polarization. VTC Spring 2009

Yoshiaki Yokoyama, Minseok Kim, Hiroyuki Arai: Resource and Performance Evaluations of Fixed Point QRD-RLS Systolic Array through FPGA Implementation. IEICE Transactions 91-B(4): 1068-1075 (2008)

Minseok Kim, Tatsuo Fuji, Takafumi Nakabayashi, Hiroyuki Arai: Evaluation of Digital-to-RF Upconversion Transmitter Using Harmonic Images of DAC Output. IEICE Transactions 91-B(4): 1215-1218 (2008)

Hirokazu Oba, Minseok Kim, Ryotaro Tamaki, Hiroyuki Arai: Adaptive Impedance Matching System Using FPGA Processor for Efficient Control Algorithm. IEICE Transactions 91-C(8): 1348-1355 (2008)

Koichi Ichige, Kazuhiko Saito, Hiroyuki Arai: High Resolution DOA Estimation Using Unwrapped Phase Information of MUSIC-Based Noise Subspace. IEICE Transactions 91-A(8): 1990-1999 (2008)

Shuhei Sonoda, Hiroyuki Arai: A Transmitting and Receiving System Using a Basic One-Chip Microcomputer for Extremely Low Power Radio Communication. IEICE Transactions 91-B(9): 2883-2888 (2008)

Akimichi Hirota, Hiroyuki Arai, Masayuki Nakano: Direction-of-Arrival Estimation System for Multipath Propagation in Code-Division Multiple-Access Systems With Synthesized Virtual Planar Array Using Pilot Signals. IEEE T. Vehicular Technology 57(4): 2153-2163 (2008)

Hiroyuki Arai, Isao Miyagawa, Hideki Koike, Miki Haseyama: Estimating the number of people in a video sequence via geometrical model. ICPR 2008: 1-4

Tatsuya Osawa, Kyoko Sudo, Hiroyuki Arai, Hideki Koike: Monocular 3D tracking of multiple interacting targets. ICPR 2008: 1-4

Mitsuru Endo, Kenji Hirose, Yasuhisa Hirata, Kazuhiro Kosuge, Takashi Kanbayashi, Mitsukazu Oomoto, Kei Akune, Hiroyuki Arai, Hiroyuki Shinoduka, Kouki Suzuki: A car transportation system by multiple mobile robots - iCART -. IROS 2008: 2795-2801

Koichi Ichige, Yoshihisa Ishikawa, Hiroyuki Arai: High resolution 2-D DOA estimation using second-order partial-differential of MUSIC spectrum. ISCAS 2008: 1152-1155

Seung-Wook Nah, Hiroyuki Arai: Beam-Space MUSIC DOA System Using Phase Shifter. IEICE Transactions 90-B(2): 291-295 (2007)

Hiroyuki Arai: IEICE Transactions on Communications, Status Report. IEICE Transactions 90-B(3): 439 (2007)

Koichi Ichige, Yoshihisa Ishikawa, Hiroyuki Arai: High Resolution DOA Estimation Using Second-Order Differential of MUSIC Spectrum. IEICE Transactions 90-A(3): 546-552 (2007)

Kunsun Eom, Hiroyuki Arai: A Free Access Mat by Tightly Coupled Patch Array for Short Range Wireless Access. IEICE Transactions 90-C(12): 2254-2260 (2007)

Tatsuya Osawa, Xiaojun Wu, Kyoko Sudo, Kaoru Wakabayashi, Hiroyuki Arai, Takayuki Yasuno: MCMC based multi-body tracking using full 3D model of both target and environment. AVSS 2007: 224-229

Naobumi Michishita, Takashi Hibino, Hiroyuki Arai: Implementation of S-Parameter of Active Elements for FDTD Analysis. IEICE Transactions 89-C(12): 1843-1850 (2006)

Yoshihisa Ishikawa, Koichi Ichige, Hiroyuki Arai: Accurate Source Number Detection Using Pre-Estimated Signal Subspace. IEICE Transactions 89-B(12): 3257-3265 (2006)

Koichi Ichige, Hideaki Munemasa, Hiroyuki Arai: An Efficient Signed-Power-of-Two Term Allocation for Filter Coefficients in Digital Communication System. IEICE Transactions 89-B(12): 3266-3268 (2006)

Yoshiaki Yokoyama, Minseok Kim, Hiroyuki Arai: Implementation of Systolic RLS Adaptive Array Using FPGA and Its Performance Evaluation. VTC Fall 2006: 1-5

Koichi Ichige, Mitsuharu Imai, Hiroyuki Arai, Masayuki Nakano, Masafumi Hirono: Direction of Arrival Detection System for Radio Surveillance: Frequency Spectrum Analysis of CDMA and Jamming Waves. VTC Spring 2006: 2957-2961

Naobumi Michishita, Hiroyuki Arai, Yasuko Kimura: Mutual Coupling Characteristics of Choke Loaded Patch Array Antenna. IEICE Transactions 88-B(1): 411-415 (2005)

Hiroyuki Arai: Small Antennas: Downsizing Techniques and Its Index Factor. IEICE Transactions 88-B(5): 1801-1808 (2005)

Naobumi Michishita, Yuji Nakayama, Hiroyuki Arai, Kohei Mori: Three Beam Switched Top Loaded Monopole Antenna. IEICE Transactions 88-B(6): 2291-2296 (2005)

Hiromitsu Aoyama, Hiroyuki Arai: Mutual Coupling Matrix Estimation and Null Forming Methods for MBF Antennas. IEICE Transactions 88-B(6): 2305-2312 (2005)

Minseok Kim, Aiko Kiyono, Koichi Ichige, Hiroyuki Arai: Experimental Study of Jitter Effect on Digital Downconversion Receiver with Undersampling Scheme. IEICE Transactions 88-D(7): 1430-1436 (2005)

Yuki Inoue, Kohei Mori, Hiroyuki Arai: DOA estimation in consideration of the array element pattern. VTC Spring 2002: 745-748

Akira Suzuki, Akio Shio, Hiroyuki Arai, Sakuichi Ohtsuka: Dynamic Shadow Compensation of Aerial Images Based on Color and Spatial Analysis. ICPR 2000: 1317-1320

Hiroyuki Arai, Kazumi Odaka: Form Processing based on Background Region Analysis. ICDAR 1997: 164-169

Eiki Ishidera, Masahiko Tsuchiya, Shinichi Takahashi, Shouishi Kurita, Hiroyuki Arai, Hiroko Miyauti: Neural network model for generating subjective contours. Systems and Computers in Japan 25(5): 28-37 (1994)