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All Technical Committee Conferences (Searched in: All Years)
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Search Results: Conference Papers |
Conference Papers (Available on Advance Programs) (Sort by: Date Descending) |
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Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2019-02-22 09:55 |
Osaka |
Sumitomo Electric Industries (Osaka Works) |
[Invited Lecture]
A Study on the Specificity of Nonlinear Distortion Radiation in Multitone Transmission using 4.65GHz Band Massive Element Active Antenna System for 5G Takuji Mochizuki, Masashi Hirabe, Tomohiro Kikuma, Makoto Hayakawa, Daisuke Nose (NEC) AP2018-178 |
When operating the Sub6GHz-band massive element Active Antenna System (AAS) for 5 G in high power region, Downlink (DL) ... [more] |
AP2018-178 pp.49-54 |
RCS, SR, SRW (Joint) |
2017-03-02 10:50 |
Tokyo |
Tokyo Institute of Technology |
Development and Basic Characteristics of Low-SHF-Band Massive Element Active Antenna System for 5G Daisuke Nose, Kazuo Tanada, Toshifumi Sato, Yasushi Maruta, Takuji Mochizuki, Masashi Hirabe, Makoto Hayakawa (NEC), Tatsuki Okuyama, Jun Mashino, Satoshi Sumaya, Yukihiko Okumura (NTT DOCOMO) RCS2016-310 |
Capacity enhancement is desired to deal with rapid increase of data traffic as one of key requirements for 5G. We focus ... [more] |
RCS2016-310 pp.127-132 |
MW, ED |
2015-01-16 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Digital Doherty Transmitter with Envelope ΔΣ Modulated Class-D GaN Amplifier for 800 MHz band Keiichi Motoi (NEC), Andreas Wentzel (FBH), Masaaki Tanio, Shinichi Hori, Makoto Hayakawa (NEC), Wolfgang Heinrich (FBH), Kazuaki Kunihiro (NEC) ED2014-131 MW2014-195 |
This paper presents a novel transmitter (Tx) architecture combining voltage-mode class-D power amplifiers (PAs) with an ... [more] |
ED2014-131 MW2014-195 pp.83-88 |
MW, ED |
2015-01-16 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Linear and Efficient 1-bit Digital Transmitter with Envelope Delta-sigma Modulation Masaaki Tanio, Shinichi Hori, Makoto Hayakawa, Noriaki Tawa, Keiichi Motoi, Kazuaki Kunihiro (NEC) ED2014-132 MW2014-196 |
[more] |
ED2014-132 MW2014-196 pp.89-94 |
SIP, RCS |
2013-02-01 10:15 |
Hiroshima |
Viewport-Kure-Hotel (Kure) |
A Study on Clipping Noise Suppression of Speech Based on Weighted Spectral Envelope on Divided Frequency Bands Makoto Hayakawa, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) SIP2012-101 RCS2012-258 |
In the speech recording, a speech quality is degraded with clipping noise when the amplitude of input signal exceeds the... [more] |
SIP2012-101 RCS2012-258 pp.121-126 |
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