Result for "radio propagation",70

Distinguished Researcher Wataru Yamada | NTT Access Network Service Systems Laboratories | NTT R&D Website

consistently engaged in the research and development of radio wave propagation technology since entering NTT

https://www.rd.ntt/e/as/team_researchers/researcher/04.html

Overcoming the Limits on Radio-frequency Resources by Developing the Real-time Wireless-quality-estimation Platform that Applies Quantum Annealing and Other Technologies to Radio-wave Propagation | NTT R&D Website

-estimation Platform that Applies Quantum Annealing and Other Technologies to Radio-wave Propagation | NTT R&D

https://www.rd.ntt/e/research/JN202501_31210.html

Motoharu Sasaki | NTT R&D Website

radio wave propagation characteristics I aim to establish an instantaneous estimation technology and

https://www.rd.ntt/e/organization/researcher/special/s_069.html

Achieving Complete Wireless Communication through Estimation and Prediction Technology for Radio Wave Propagation Characteristics | NTT R&D Website

Wireless Communication through Estimation and Prediction Technology for Radio Wave Propagation

https://www.rd.ntt/e/research/JN202402_25001.html

佐々木 元晴 | NTT R&D Website

. Yamada, X. Raimundo, and A. A. Cheema, "Radio propagation measurements and modeling for standardization

https://www.rd.ntt/organization/researcher/special/s_069.html

F15_leaf_e.pdf

waves, we aim to realize interference-free transmission with flexible radio wave propagation area

https://www.rd.ntt/forum/2023/doc/F15_leaf_e.pdf

Wave Propagation Laboratory | NTT Network Innovation Laboratories | NTT R&D Website

propagation loss, radio beamforming using massive antenna arrays with thousands to tens of thousands of

https://www.rd.ntt/e/mirai/organization/product_3/

Yasushi Takatori | NTT R&D Website

Okumura, Motoharu Sasaki, and Yasushi Takatori, "Radio Propagation Prediction Method Using Point Cloud

https://www.rd.ntt/e/organization/researcher/superior/s_029.html

鷹取 泰司 | NTT R&D Website

, Motoharu Sasaki, and Yasushi Takatori, "Radio Propagation Prediction Method Using Point Cloud Data Based on

https://www.rd.ntt/organization/researcher/superior/s_029.html

Doohwan Lee | NTT R&D Website

Multishape Radio Technologies: Shaping Electromagnetic Waves for Next-Generation Wireless Communications I am

https://www.rd.ntt/e/organization/researcher/superior/s_034.html

Standardization Trends Related to Wireless Communications | NTT R&D Website

; and ITU-R SG 3, working on radio-wave propagation, which supports the studies being undertaken by the

https://www.rd.ntt/e/research/JN202311_23704.html

Efficiently Accommodating High-frequency-band Wireless Systems by Using Analog Radio-over-fiber | NTT R&D Website

*1), which can secure a wide bandwidth. However, the propagation distance of radio waves becomes

https://www.rd.ntt/e/research/JN20200315_h.html

Wireless Technology Supporting People to Live a Fulfilling Social Life | NTT R&D Website

accuracy of estimating radio propagation with Cradio® and the accuracy of the conversion of a BIM data file

https://www.rd.ntt/e/research/JN202408_28848.html

Achieving the Word's Highest Wireless Transmission Rate by Delving into Theories That Appeared about 100 Years Ago | NTT R&D Website

of fields-including research on radio-wave propagation, suppression and control of interference, and

https://www.rd.ntt/e/research/JN202403_25301.html

Wireless Technologies for Accelerating High-capacity Transmission, Low Energy, and Application-area Expansion | NTT R&D Website

wireless signals. This is because radio-propagation loss increases in higher frequency bands such as

https://www.rd.ntt/e/research/JN202307_22290.html

Researchers Should Take Every Experience as a Positive One to Improve Their Well-being | NTT R&D Website

identify the characteristics of radio-wave propagation by measuring such propagation in field experiments

https://www.rd.ntt/e/research/JN202410_29838.html

Research and Development for Pioneering a New Communications Paradigm with Wide-area Coverage | NTT R&D Website

including light, radio, and sound waves and enable long-distance, high-speed, and high-capacity transmission

https://www.rd.ntt/e/research/JN202205_18109.html

Achieving IOWN/6G and Creating New Value with World-leading Technologies | NTT R&D Website

media, using physical waves in various frequency bands such as optical, radio, and acoustic waves

https://www.rd.ntt/e/research/JN202405_26173.html

Tomoki Murakami | NTT R&D Website

Research of Intelligent Radio-wave Design We have been researching “Intelligent Radio-wave Design” that

https://www.rd.ntt/e/organization/researcher/special/s_063.html

R&D Activities of Core Wireless Technologies toward 6G Radio Access | NTT R&D Website

distortion. Due to the extremely slow propagation speed of sound waves compared with radio waves, waveform

https://www.rd.ntt/e/research/JN202205_18140.html

Wireless Systems Technologies for Present and Future Services | NTT R&D Website

performing actual signal-propagation measurements to formulate a radio propagation model. We are also

https://www.rd.ntt/e/research/JN20200267_h.html

Wireless Technology for Extreme NaaS—Remote Beamforming Schemes for Analog Radio-over-fiber-based High-frequency-band Wireless Communication Systems｜NTT R&D Website

propagation loss is significant. To enable beamforming with simplified remote radio units that have no signal

https://www.rd.ntt/e/research/JN202108_14917.html

Underwater acoustic communication technology

underwater drone radio control while checking underwater images in real time. Background / Issues The demand

https://www.rd.ntt/e/research/NI0064.html

Venture Out of the Laboratory and Test Your Research Results in the Real World｜NTT R&D Website

wireless access by assessing various wireless conditions is called Multi-radio Proactive Control

https://www.rd.ntt/e/research/JN202110_15573.html

High-Speed Analog Circuit Research Group｜Device Technology Laboratories｜NTT R&D Website

propagation by manipulating the phase and amplitude of incident waves. The surface of a metasurface has a

https://www.rd.ntt/e/dtl/technology/high-speed_analog_circuit_research_group_ntt_device_technology_laboratories_ntt_rd_website.html

Underwater Acoustic Communication Technology for Wireless Remotely Operated Vehicles | NTT R&D Website

development and port construction. Radio waves are widely used in terrestrial wireless communication systems

https://www.rd.ntt/e/research/JN202306_22116.html

Position under active recruitment: Research and development related to extreme weather futures forecasting technology｜Careers｜NTT Space Environment and Energy Laboratories｜NTT R&D Website

oceanography Basic knowledge of communication and radio wave propagation Basic knowledge of critical thinking

https://www.rd.ntt/e/se/recruitment/focus09.html

Wireless Technologies toward Extreme NaaS—Multi-radio Proactive Control Technologies (Cradio®)｜NTT R&D Website

buildings and other structures combined with various types of radio-wave propagation models, ray tracing

https://www.rd.ntt/e/research/JN202108_14898.html

Wireless Technologies for Future Network Services Tailored to the Requirements of Various Users and Applications | NTT R&D Website

are researching and developing Cradio®－a set of multi-radio proactive control technologies that

https://www.rd.ntt/e/research/JN202207_18750.html

High-efficiency Wi-Fi Technologies｜NTT R&D Website

high-density configuration, optimal channel settings to avoid radio-wave interference and tuning

https://www.rd.ntt/e/research/JN202112_16443.html

Yusuke Asai | NTT R&D Website

Shonihara and Yusuke Asai, "Real Time Reconstruction of Radio Environment Maps in Indoor Millimeter-Wave

https://www.rd.ntt/e/organization/researcher/special/s_084.html

High-frequency-band Distributed Antenna System Technology Exploring the Possibilities of Higher Frequency Bands for Mobile Communications | NTT R&D Website

propagation is unobstructed. Its disadvantage, however, is that radio waves are easily blocked by shielding

https://www.rd.ntt/e/research/JN202404_25756.html

A novel mechanical system for amplifying ultrasound signals｜NTT Basic Research Laboratories | NTT R&D Website

engineer an ultrasound waveform can be applied to signal processing devices such as radio-frequency

https://www.rd.ntt/e/brl/latesttopics/2018/04/latest_topics_201804061205.html

R&D Activities to Implement an Access Network for the IOWN Era | NTT R&D Website

and the radio-wave-propagation characteristics of each frequency, it is possible to design and control

https://www.rd.ntt/e/research/JN202408_28842.html

李 斗煥 | NTT R&D Website

) IEEE Journal of Selected Topics in Electromagnetics, Antennas and Propagation (JSTEAP) Special Issue on

https://www.rd.ntt/organization/researcher/superior/s_034.html

Research and Development of Scalable Optical Transport Technologies | NTT R&D Website

) of the currently widely used SMF. When using multiple cores and propagation modes to transmit signals

https://www.rd.ntt/e/research/JN202205_18134.html

Satellite Sensing Platform | NTT R&D Website

satellite captures the IoT radio waves transmitted from terrestrial low-power wide-area terminals onboard

https://www.rd.ntt/e/research/JN202210_19891.html

Petabit-class Optical Transmission Using Spatial Multiplexing Technology Opens a New Era with a Paradigm Shift | NTT R&D Website

intuitive explanation for modal dispersion is like this: light propagation in a fiber is often likened to

https://www.rd.ntt/e/research/JN202302_20974.html

Low-latency and Energy Efficient Technologies for New Optical Access Networks | NTT R&D Website

of radio propagation distance. For example, in these severe climate environments, solar cells and

https://www.rd.ntt/e/research/JN202307_22288.html

Norio Kumada

confinement and propagation by tailoring its spatial conductivity. Here we demonstrate full electrical control

https://www.rd.ntt/brl/people/kumada/researchj.html

Norio Kumada

propagation by tailoring its spatial conductivity. Here we demonstrate full electrical control of plasmon

https://www.rd.ntt/brl/people/kumada/research.html

Updates | NTT R&D Website

Applies Quantum Annealing and Other Technologies to Radio-wave Propagation 03/27/2025 Cutting-edge

https://www.rd.ntt/e/update_information/

アニーリングマシンを用いた超高速電波伝搬シミュレーション技術

/newsrelease/2022/12/05/221205a.html Globecom論文はこちら： Radio Propagation Analysis Using Quantum Annealing | IEEE

https://www.rd.ntt/as/history/wireless/wi0525.html

Set a Goal Differing from Those of Other People and Achieve It Using a Pivot Strategy｜NTT R&D Website

—the world’s first—in electrically controlling the propagation of phonons by using a semiconductor MEMS

https://www.rd.ntt/e/research/JN202011_7957.html

wi0525.pdf

/newsrelease/2022/12/05/221205a.html Globecom 論文はこちら： Radio Propagation Analysis Using Quantum Annealing | IEEE

https://www.rd.ntt/as/history/pdf/wireless/wi0525.pdf

淺井 裕介 | NTT R&D Website

, Toshiro Nakahira, Shoko Shonihara and Yusuke Asai, "Real Time Reconstruction of Radio Environment Maps in

https://www.rd.ntt/organization/researcher/special/s_084.html

Keynote Speech 2｜Report on the NTT R&D Forum 2021｜NTT R&D Website

method of engineering radio waves so that they are reflected directly back to the source no matter from

https://www.rd.ntt/e/forum/2021/keynote_2.html

Nanomechanics: Outline and Future Prospects | NTT R&D Website

. Gigahertz (GHz) is the frequency of the radio waves used for mobile phones, and it is 100,000 times higher

https://www.rd.ntt/e/research/JN202202_17200.html

NTTBrl_honbun_E_250225.indd

appear in microstructures with mechanical freedom Phonon Manipulation Controlling ultrasonic propagation

https://www.rd.ntt/brl/result/activities/file/annual_report/NTTBrl_E_250321_print.pdf

Remote Robot Control with Haptic Feedback Enabled by Low-latency Transport and Precision Bilateral Control Technologies | NTT R&D Website

above method. In the evaluations, we simulated propagation delays typical of long-distance networks and

https://www.rd.ntt/e/research/JN202405_26175.html

Research and Development of 1.6-Tbit/s-class Ethernet Optical Transmission Technology Supporting Large-scale Datacenter Networks | NTT R&D Website

and the propagation speed of each wavelength component is different, the effect of signal distortion

https://www.rd.ntt/e/research/JN202405_26179.html

Norio Kumada

). Effects of screening on the propagation of graphene surface plasmons Ken-ichi Sasaki and Norio Kumada Phys

https://www.rd.ntt/brl/people/kumada/publication.html

Norio Kumada

. Glattli Phys. Rev. Lett. 113, 266601 (2014). Effects of screening on the propagation of graphene surface

https://www.rd.ntt/brl/people/kumada/publicationj.html

Publications | NTT Basic Research Laboratories | NTT R&D Website

"Charge noise analysis of an AlGaAs/GaAs quantum dot using transmission-type radio-frequency single

https://www.rd.ntt/e/brl/result/publications/paper_2000.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

"Charge noise analysis of an AlGaAs/GaAs quantum dot using transmission-type radio-frequency single

https://www.rd.ntt/brl/result/publications/paper_2000.html

AS Information | NTT R&D Website

【表彰団体：一般社団法人 電子情報通信学会】 「High-Performances Color Images Method for Estimating Radio Propagation

https://www.rd.ntt/as/info/

Quantum Solid State Physics Research Group | Basic Research Laboratories | NTT R&D Website

, 165415 (2014). K. Sasaki and N. Kumada, "Effects of screening on the propagation of graphene surface

https://www.rd.ntt/e/brl/group_introduction/group_006.html

量子固体物性研究グループ｜物性科学基礎研究所｜NTT R&D Website

, 165415 (2014). K. Sasaki and N. Kumada, "Effects of screening on the propagation of graphene surface

https://www.rd.ntt/brl/group_introduction/group_006.html

program_for_web.pdf

] Joint Iterative Multi-Speaker Identification and Source Separation using Expectation Propagation

https://www.rd.ntt/cs/team_project/icl/signal/waspaa2007/program_for_web.pdf

論文｜NTT物性科学基礎研究所｜NTT R&D Website

. Jeong "Impedance analysis of a radio-frequency single-electron transistor" Appl. Phys. Lett. 81 (17

https://www.rd.ntt/brl/result/publications/paper_2002.html

NTTBrl_honbun_E_260302.indd

microstructures with mechanical freedom Phonon Manipulation Controlling ultrasonic propagation using artificial

https://www.rd.ntt/brl/result/activities/file/annual_report/NTTBrl_E_260310_print.pdf

Publications | NTT Basic Research Laboratories | NTT R&D Website

analysis of a radio-frequency single-electron transistor" Appl. Phys. Lett. 81 (17) 3257-3259 (2002). S. De

https://www.rd.ntt/e/brl/result/publications/paper_2002.html

BRL Seminars | Basic Research Laboratories | NTT R&D Website

25/09th High-dimensional spatial control in photonic devices for multimode propagation and nonlinear

https://www.rd.ntt/e/brl/overview/brl-seminar.html

BRLセミナー｜物性科学基礎研究所｜NTT R&D Website

Number 300 ／ FY25/08th High-dimensional spatial control in photonic devices for multimode propagation and

https://www.rd.ntt/brl/overview/brl-seminar.html

Dr.Naonori Ueda | NTT R&D Website

Advanced Studies, April 2018-present. NHK Radio First Broadcast, End-of-year special number "How artificial

https://www.rd.ntt/e/organization/researcher/fellow/f_003.html

report_2005E.pdf

evolution of As spins under a radio-frequency irradiation. － 1 － Member List As of March 31, 2006 (*/ left

https://www.rd.ntt/e/brl/result/activities/file/report05/report_2005E.pdf

NTT物性科学基礎研究所の研究活動

https://www.rd.ntt/e/brl/result/activities/file/report13/Report_13_e.pdf

NTT-BRL Research Activities Vol 19

has been in NTT Basic Research Laboratories since 1999, and is currently working on light-propagation

https://www.rd.ntt/e/brl/result/activities/file/report08/BRLreport_2008E.pdf

Microsoft Word - 01_01_口絵1.doc

https://www.rd.ntt/brl/result/activities/file/report04/BRLReports_J.pdf

Report_15_J.pdf

https://www.rd.ntt/brl/result/activities/file/report15/Report_15_J.pdf