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Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2016-10-21
14:55		 Kanagawa YRP (Yokosuka) [Invited Lecture] An approach of frequency sharing between heterogeneous radio systems for 5th genereation mobile communication systems
Hiromi Matsuno (ATR), Masaki Kitsunezuka (NEC), Morihiko Tamai (ATR), Naoki Oshima, Keiichi Motoi, Kazuaki Kunihiro (NEC), Akio Hasegawa, Hiroyuki Shinbo (ATR) RCS2016-188		 The 5th generation mobile communication systems require more frequency bandwidth to achieve various user’s requirements ... [more] RCS2016-188
pp.197-202
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
MW
(2nd)		 2014-11-26
- 2014-11-28		 Overseas King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok [Invited Talk] Radio transmitter technologies for next-generation mobile networks
Shingo Yamanouchi, Keiichi Motoi, Masaaki Tanio, Shinich Hori, Kazuaki Kunihiro (NEC Corp.) 		Heterogeneous network (HetNet), high density small-cell networks combined with macro-cell has been studied for LTE-Advan... [more]
MW 2014-11-20
16:10		 Nagasaki Nagasaki Univ. [Special Talk] Report on 2014 IEEE MTT-S International Microwave Symposium
Akimichi Hirota (Mitsubishi Electric), Masahiro Horibe (AIST), Masataka Ohira (Saitama Univ.), Takashi Shimizu (Utsunomiya Univ.), Keiichi Motoi (NEC), Ko Kanaya (Mitsubishi Electric) MW2014-134		 This is a report on 2014 IEEE MTT-S International Microwave Symposium (IMS 2014) held at Tampa, Florida, USA on 1-6 June... [more] MW2014-134
pp.57-63
MW 2014-05-23
16:45		 Kyoto Doshisha Univ. A Low-Spurious E-Band GaAs MMIC Frequency Converter for Over-Gbps Wireless Communication
Yasuhiro Morita, Shuya Kishimoto, Masaharu Ito, Keiichi Motoi, Kazuaki Kunihiro (NEC) MW2014-41		 A highly integrated, low-spurious E-band MMIC frequency converter, which comprises a sub-harmonic mixer with an LO multi... [more] MW2014-41
pp.99-103
 Results 1 - 6 of 6  /   
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