Hiroyuki NAKAMURA

Extension of ITU-R Site-General Path Loss Model in Urban Areas Based on Measurements from 2 to 66GHz Bands
Motoharu SASAKI Mitsuki NAKAMURA Nobuaki KUNO Wataru YAMADA Naoki KITA Takeshi ONIZAWA Yasushi TAKATORI Hiroyuki NAKAMURA Minoru INOMATA Koshiro KITAO Tetsuro IMAI 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 849-857
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
5G, propagation, path loss model, UMa, IMT-2020, Rep. ITU-R M.2412, 
 Summary | Full Text:PDF(3.8MB)
A Switched-Capacitor Boost Converter including Voltage-Mode Threshold Switching
Hiroyuki NAKAMURA Toshimichi SAITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/07/01
Vol. E93-A  No. 7  pp. 1388-1391
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
switched dynamical systems, stability, transient, power electronics, switched capacitors, 
 Summary | Full Text:PDF(2MB)
A New Design Concept for Balanced-Type SAW Filters Using a Common-Mode Signal Suppression Circuit
Hiroyuki NAKAMURA Toshio ISHIZAKI Toshifumi NAKATANI Shigeru TSUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/01/01
Vol. E88-C  No. 1  pp. 28-33
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave and Millimeter-Wave Passive Circuit Components and Technologies for Improvement of Characteristics)
Category: 
Keyword: 
SAW filter, balanced-type, common-mode, differential-mode, balance characteristics, 
 Summary | Full Text:PDF(505.6KB)