Kentaro Nishimori

According to our database, Kentaro Nishimori authored at least 83 papers between 1995 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

Fast-Converging Constant Modulus Algorithm with Variable Step Size for Multibeam Massive MIMO.

Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri, Hidehisa Shiomi

IEICE Trans. Commun., October, 2022

Multibeam Patterns Suitable for Massive MIMO Configurations.

Kentaro Nishimori, Jiro Hirokawa

IEICE Trans. Commun., October, 2022

2021

Interference Gaussianization: Time-Domain Inter-Symbol Spreading for Blind Adaptive Array Signal Source Identification.

Kazuki Maruta, Katsuya Senoo, Daisuke Hisano, Yu Nakayama, Kentaro Nishimori

IEEE Access, 2021

2020

A Cooperative Transmission Scheme in Drone-Based Networks.

Takefumi Hiraguri, Kentaro Nishimori, Isamu Shitara, Tsutomu Mitsui, Takuya Shindo, Tomotaka Kimura, Takahiro Matsuda, Hideaki Yoshino

IEEE Trans. Veh. Technol., 2020

Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave.

Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa

IEEE Access, 2020

Adaptive Direction Control for UAV Full-Duplex Relay Networks Using Multiple Directional Antennas.

Takahiro Matsuda, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori, Tomotaka Kimura, Akihiro Nakao

IEEE Access, 2020

2019

A 20-GHz-Band 64 × 64 Hollow Waveguide Two-Dimensional Butler Matrix.

Takashi Tomura, Dong-Hun Kim, Masahiro Wakasa, Yuki Sunaguchi, Jiro Hirokawa, Kentaro Nishimori

IEEE Access, 2019

Blind Adaptive Array by Constant Modulus with Variable Step Size for Multi-beam Massive MIMO.

Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri

Proceedings of the 23rd International ITG Workshop on Smart Antennas, 2019

2018

Dynamic Group-Based Antenna Selection for Uplink Multi-User MIMO in Distributed Antenna System.

Sho Yoshida, Kentaro Nishimori, Soichi Ito, Tomoki Murakami, Koichi Ishihara, Yasushi Takatori

IEICE Trans. Commun., 2018

Multi-Beam Massive MIMO with Beam-Selection Using Only Amplitude Information in Uplink Channel.

Fumiya Muramatsu, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri

IEICE Trans. Commun., 2018

CSI Feedback Reduction Method for Downlink Multiuser MIMO Transmission Using Dense Distributed Antenna Selection.

Tomoki Murakami, Koichi Ishihara, Yasushi Takatori, Masato Mizoguchi, Kentaro Nishimori

IEICE Trans. Commun., 2018

Effect of User Antenna Selection on Block Beamforming Algorithms for Suppressing Inter-User Interference in Multiuser MIMO System.

Nobuyoshi Kikuma, Kentaro Nishimori, Takefumi Hiraguri

IEICE Trans. Commun., 2018

Inter-Terminal Interference Evaluation of Full Duplex MIMO Using Measured Channel.

Yuta Kashino, Masakuni Tsunezawa, Naoki Honma, Kentaro Nishimori

IEICE Trans. Commun., 2018

Novel Access Control Scheme with Collision Detection Utilizing MIMO Transmission Procedure in WLAN Systems.

Takefumi Hiraguri, Kentaro Nishimori, Yoshiaki Morino, Mamoru Ugajin, Hideaki Yoshino

IEICE Trans. Commun., 2018

Adaptive Beam-Frequency Allocation Algorithm with Position Uncertainty for Millimeter-Wave MIMO Systems.

Rafail Ismayilov, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori

Proceedings of the 87th IEEE Vehicular Technology Conference, 2018

2017

Multi-Beam Massive MIMO Using Constant Modulus Algorithm for QAM Signals Employing Amplitude and Phase Offset Compensation.

Ryotaro Taniguchi, Kentaro Nishimori, Hideo Makino

IEICE Trans. Commun., 2017

Precise Indoor Localization Method Using Dual-Facing Cameras on a Smart Device via Visible Light Communication.

Yohei Nakazawa, Hideo Makino, Kentaro Nishimori, Daisuke Wakatsuki, Makoto Kobayashi, Hideki Komagata

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

Proposal of overhead-less access control scheme for multi-beam massive MIMO transmission in WLAN systems.

Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori

Proceedings of the 16th Annual Mediterranean Ad Hoc Networking Workshop, 2017

2016

Analog Eigenmode Transmission for Short-Range MIMO.

Kentaro Murata, Naoki Honma, Kentaro Nishimori, Hisashi Morishita

IEEE Trans. Veh. Technol., 2016

Simultaneous Decoupling and Matching Technique for Short-Range MIMO.

Kentaro Murata, Naoki Honma, Kentaro Nishimori, Naobumi Michishita, Hisashi Morishita

IEICE Trans. Commun., 2016

Four-Stream Parallel Transmission for Short-Range MIMO Using Only Passive Analog Components.

Kentaro Murata, Naoki Honma, Kentaro Nishimori, David M. Klymyshyn, Hisashi Morishita

IEICE Trans. Commun., 2016

A Novel Collision Avoidance Scheme Using Optimized Contention Window in Dense Wireless LAN Environments.

Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori, Takahiro Matsuda

IEICE Trans. Commun., 2016

FFT-Based Block Diagonalization at User Terminal for Implicit Beamforming in Multiuser MIMO System.

Hayate Kimoto, Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino

IEICE Trans. Commun., 2016

Evaluation of fast human localization and tracking using MIMO radar in multi-path environment.

Dai Sasakawa, Naoki Honma, Kentaro Nishimori, Takeshi Nakayama, Shoichi Iizuka

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

2015

Estimating Living-Body Location Using Bistatic MIMO Radar in Multi-Path Environment.

Keita Konno, Naoki Honma, Dai Sasakawa, Kentaro Nishimori, Nobuyasu Takemura, Tsutomu Mitsui, Yoshitaka Tsunekawa

IEICE Trans. Commun., 2015

Interference Reduction Characteristics by Circular Array Based Massive MIMO in a Real Microcell Environment.

Ryochi Kataoka, Kentaro Nishimori, Ngochao Tran, Tetsuro Imai, Hideo Makino

IEICE Trans. Commun., 2015

Interference Suppression Method between Primary Broadcasting and Secondary Systems Using Load Modulation.

Takuma Ito, Naoki Honma, Keisuke Terasaki, Kentaro Nishimori, Yoshitaka Tsunekawa

IEICE Trans. Commun., 2015

Survey of Transmission Methods and Efficiency Using MIMO Technologies for Wireless LAN Systems.

Takefumi Hiraguri, Kentaro Nishimori

IEICE Trans. Commun., 2015

2014

Channel Estimation Method Using Arbitrary Amplitude and Phase Modulation Schemes for MIMO Sensor.

Tsubasa Tashiro, Kentaro Nishimori, Tsutomu Mitsui, Nobuyasu Takemura

IEICE Trans. Commun., 2014

Multicast Transmission Access Control Methods for Various Wireless LAN Applications.

Toshiyuki Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Hideaki Yoshino, Kenya Jin'no

IEICE Trans. Commun., 2014

Transmission Rate by User Antenna Selection for Block Diagonalization Based Multiuser MIMO System.

Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino

IEICE Trans. Commun., 2014

Analog Decoding Method for Simplified Short-Range MIMO Transmission.

Ryochi Kataoka, Kentaro Nishimori, Takefumi Hiraguri, Naoki Honma, Tomohiro Seki, Ken Hiraga, Hideo Makino

IEICE Trans. Commun., 2014

A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.

Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2014

Analysis evaluation of collision detection scheme utilizing MIMO transmission.

Yoshiaki Morino, Takefumi Hiraguri, Toshiyuki Ogawa, Hideaki Yoshino, Kentaro Nishimori

Proceedings of the IEEE 10th International Conference on Wireless and Mobile Computing, 2014

LED-tracking and ID-estimation for indoor positioning using visible light communication.

Yohei Nakazawa, Hideo Makino, Kentaro Nishimori, Daisuke Wakatsuki, Hideki Komagata

Proceedings of the 2014 International Conference on Indoor Positioning and Indoor Navigation, 2014

2013

Queuing Scheme for Improved Downlink Throughput on WLANs.

Takefumi Hiraguri, Kengo Nagata, Toshiyuki Ogawa, Takahiro Ueno, Kenya Jin'no, Kentaro Nishimori

Wirel. Pers. Commun., 2013

Intruder Detection Performance of SIMO and MIMO Sensors with Same Number of Channel Responses.

Keita Ushiki, Kentaro Nishimori, Naoki Honma, Hideo Makino

IEICE Trans. Commun., 2013

Interference Rejection Characteristics by Adaptive Array at User Equipment Using Measured <i>K</i>-Factor in Heterogeneous Networks.

Kentaro Nishimori, Keisuke Kusumi, Misaki Horio, Koshiro Kitao, Tetsuro Imai

IEICE Trans. Commun., 2013

User-Oriented QoS Control Method Based on CSMA/CA for IEEE802.11 Wireless LAN System.

Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Tetsu Sakata, Takefumi Hiraguri, Kentaro Nishimori

IEICE Trans. Commun., 2013

Compact Antenna Arrangement for MIMO Sensor in Indoor Environment.

Naoki Honma, Kentaro Nishimori, Hiroaki Sato, Yoshitaka Tsunekawa

IEICE Trans. Commun., 2013

Non-iterative Algorithm of MIMO Adaptive Array Based on Correlation Matrix Including Parasitic Antennas.

Naoki Honma, Kentaro Nishimori, Takefumi Hiraguri, Yoshitaka Tsunekawa

IEICE Trans. Commun., 2013

Performance Evaluation of Adaptive Array Using ZF and MMSE Algorithms with Measured K-Factor and Correlation in Heterogeneous Networks.

Kentaro Nishimori, Keisuke Kusumi, Misaki Horio, Koshiro Kitao, Tetsuro Imai

Proceedings of the 78th IEEE Vehicular Technology Conference, 2013

Indoor positioning using a high-speed, fish-eye lens-equipped camera in Visible Light Communication.

Yohei Nakazawa, Hideo Makino, Kentaro Nishimori, Daisuke Wakatsuki, Hideki Komagata

Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, 2013

2012

Single Antenna Relay System Using De-Noise and Forward Scheme for MIMO Transmission.

Kosuke Kinami, Naoki Honma, Kentaro Nishimori

IEICE Trans. Commun., 2012

Effectiveness of Short-Range MIMO Using Dual-Polarized Antenna.

Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kazuhiro Uehara

IEICE Trans. Commun., 2012

Web-GIS-based emergency rescue to track triage information - System configuration and experimental results.

Hideo Makino, Masaki Hatanaka, Satoshi Abe, Kohei Komatsu, Hiroei Imai, Kentaro Nishimori, Masashi Takahashi, Hidenori Kinoshita

Proceedings of the 2012 Ubiquitous Positioning, 2012

2011

Distributed Interference Cancellation for Cognitive Radios Using Periodic Signals of the Primary System.

Kentaro Nishimori, Hiroyuki Yomo, Petar Popovski

IEEE Trans. Wirel. Commun., 2011

On the Transmission Method for Short-Range MIMO Communication.

Kentaro Nishimori, Naoki Honma, Tomohiro Seki, Ken Hiraga

IEEE Trans. Veh. Technol., 2011

Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment.

Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Naoki Honma, Kazuhiro Takaya, Kazuo Murakawa

IEICE Trans. Commun., 2011

Cognitive Radio Operation under Directional Primary Interference and Practical Path Loss Models.

Kentaro Nishimori, Rocco Di Taranto, Hiroyuki Yomo, Petar Popovski

IEICE Trans. Commun., 2011

Development of Multi Channel Ad-Hoc Network System.

Kentaro Nishimori, Takefumi Hiraguri, Masakatsu Ogawa, Naoki Honma

IEICE Trans. Commun., 2011

Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave.

Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kenjiro Nishikawa, Ichihiko Toyoda, Kazuhiro Uehara

IEICE Trans. Commun., 2011

Interference Cancellation Using Relay Station in Heterogeneous Networks.

Kentaro Nishimori, Koshiro Kitao, Tetsuro Imai

Proceedings of the 74th IEEE Vehicular Technology Conference, 2011

Transmission Queuing Schemes for Improving Downlink Throughput on IEEE 802.11 WLANs.

Takefumi Hiraguri, Toshiyuki Ogawa, Takahiro Ueno, Kentaro Nishimori, Kenya Jin'no

Proceedings of 20th International Conference on Computer Communications and Networks, 2011

2010

Spatial Domain Resource Sharing for Overlapping Cells in Indoor Environment.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Takeo Ichikawa, Tomoki Murakami, Masato Mizoguchi, Masahiro Morikura

Int. J. Digit. Multim. Broadcast., 2010

Transmission History Based Distributed Adaptive Contention Window Adjustment Algorithm Cooperating with Automatic Rate Fallback for Wireless LANs.

Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Kazuhiro Takaya, Kazuo Murakawa

IEICE Trans. Commun., 2010

16×16 MIMO Testbed for MU-MIMO Downlink Transmission.

Kentaro Nishimori, Riichi Kudo, Naoki Honma, Yasushi Takatori, Masato Mizoguchi

IEICE Trans. Commun., 2010

A Novel Interference Avoidance Technique on Mobile Wireless Routers Using IEEE802.11n PSMP.

Akira Kishida, Takefumi Hiraguri, Masakatsu Ogawa, Kentaro Nishimori, Naoki Honma, Tetsu Sakata

IEICE Trans. Commun., 2010

A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics.

Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Takefumi Hiraguri, Masato Mizoguchi

IEICE Trans. Commun., 2010

2009

A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota, Masato Mizoguchi

IEICE Trans. Commun., 2009

Overlap Frequency-Domain Multiuser Detection for Asynchronous Uplink Multiuser MIMO-OFDM Systems.

Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada

IEICE Trans. Commun., 2009

16x16 Multiuser MIMO Testbed Employing Simple Adaptive Modulation Scheme.

Kentaro Nishimori, Riichi Kudo, Naoki Honma, Yasushi Takatori, Masato Mizoguchi

Proceedings of the 69th IEEE Vehicular Technology Conference, 2009

Multi site MIMO channel analysis at 4.85GHz in outdoor environment.

Tomoki Murakami, Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Masato Mizoguchi

Proceedings of the IEEE 20th International Symposium on Personal, 2009

2008

Cognitive Mesh Network Under Interference from Primary User.

Rocco Di Taranto, Hiroyuki Yomo, Petar Popovski, Kentaro Nishimori, Ramjee Prasad

Wirel. Pers. Commun., 2008

Interference Cancellation and Avoidance for Secondary Users Co-existing with TDD-based Primary Systems.

Kentaro Nishimori, Hiroyuki Yomo, Petar Popovski, Yasushi Takatori, Ramjee Prasad, Shuji Kubota

Wirel. Pers. Commun., 2008

Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System.

Naoki Honma, Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota

IEICE Trans. Commun., 2008

Multiuser Detection Method Robust against Timing Offset for OFDM Uplink Transmission.

Koichi Ishihara, Yasushi Takatori, Kentaro Nishimori, Kazuyasu Okada

Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

Distributed Interference Cancellation for Dynamic Spectrum Sharing.

Kentaro Nishimori, Hiroyuki Yomo, Petar Popovski, Yasushi Takatori, Ramjee Prasad, Shuji Kubota

Proceedings of IEEE International Conference on Communications, 2008

2007

New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO.

Yasushi Takatori, Riichi Kudo, Atsushi Ohta, Koichi Ishihara, Kentaro Nishimori, Shuji Kubota

IEICE Trans. Commun., 2007

New Downlink Beamforming Method for Cooperative Multiple Access Point Systems.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota

IEICE Trans. Commun., 2007

Rate Adaptation for Cognitive Radio under Interference from Primary Spectrum User

Petar Popovski, Hiroyuki Yomo, Kentaro Nishimori, Rocco Di Taranto

CoRR, 2007

Spatial Opportunity for Cognitive Radio Systems with Heterogeneous Path Loss Conditions.

Kentaro Nishimori, Rocco Di Taranto, Hiroyuki Yomo, Petar Popovski, Yasushi Takatori, Ramjee Prasad, Shuji Kubota

Proceedings of the 65th IEEE Vehicular Technology Conference, 2007

New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission.

Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Kentaro Nishimori, Shuji Kubota

Proceedings of the 65th IEEE Vehicular Technology Conference, 2007

User Selection Method for Block Diagonalization in Multiuser MIMO Systems.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota

Proceedings of the Global Communications Conference, 2007

2006

Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Koichi Tsunekawa

IEICE Trans. Commun., 2006

Experimental Evaluation of Eigenvector Beamforming Method with 8X4 MIMO-OFDM Testbed.

Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Koichi Tsunekawa

Proceedings of the 63rd IEEE Vehicular Technology Conference, 2006

Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment.

Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa

Proceedings of the IEEE 17th International Symposium on Personal, 2006

2005

Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission.

Kentaro Nishimori, Nobuhiko Tachikawa, Yasushi Takatori, Riichi Kudo, Koichi Tsunekawa

IEICE Trans. Commun., 2005

2004

Novel MIMO-SDMA configuration adopting directivity and polarization control.

Kentaro Nishimori, Yasushi Takatori, Riichi Kudo, Nobuhiko Tachikawa, Koichi Tsunekawa

Proceedings of the IEEE 15th International Symposium on Personal, 2004

2001

Automatic calibration method using transmitting signals of an adaptive array for TDD systems.

Kentaro Nishimori, Keizo Cho, Yasushi Takatori, Toshikazu Hori

IEEE Trans. Veh. Technol., 2001

Automatic calibration method of adaptive array utilizing signal circulation for linear array.

Kentaro Nishimori, Keizo Cho, Toshikazu Hori

Proceedings of the 54th IEEE Vehicular Technology Conference, 2001

Novel SDMA system adopting spatial and polarization control with terminal polarization assignment.

Kazuhiro Komiya, Kentaro Nishimori, Keizo Cho, Toshikazu Hori

Proceedings of the 54th IEEE Vehicular Technology Conference, 2001

1995

Consideration on performance of the CMA adaptive array antenna for 16 QAM signals.

Nobuyoshi Kikuma, Kiyofumi Takai, Kentaro Nishimori, Fuminobu Saito, Naoki Inagaki

Proceedings of the 6th IEEE International Symposium on Personal, 1995