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Naoki KITA

Plane-Wave and Vector-Rotation Approximation Technique for Reducing Computational Complexity to Simulate MIMO Propagation Channel Using Ray-Tracing Wataru YAMADA Naoki KITA Takatoshi SUGIYAMA Toshio NOJIMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-B No. 12 pp. 3850-3860 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO propagation channel prediction technique, ray-tracing method, imaging algorithm, substitution technique,
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New Method for Evaluating Height Gain at Subscriber Station for Wireless Access Systems in Microwave Band Naoki KITA Wataru YAMADA Akio SATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/10/01 Vol. E90-B No. 10 pp. 2903-2914 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: height gain, path loss, microwave band, BWA, geometrical optics,
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Wideband Characteristics of Demmel Condition Number for 22 MIMO-OFDM Channels Naoki KITA Wataru YAMADA Akio SATO Shuta UWANO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/05/01 Vol. E87-B No. 5 pp. 1270-1272 Type of Manuscript: Special Section LETTER (Special Section on Mobile Multimedia Communications) Category: Keyword: MIMO-OFDM channel, Demmel condition number, indoor MIMO channel, spatial multiplexing,
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Polarization Switchable Microstrip Antenna Using PIN Diodes Dongkeun JUNG Takeshi FUKUSAKO Naoki KITAMURA Nagahisa MITA Cheunsoo HA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/01/01 Vol. E87-B No. 1 pp. 152-157 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: patch antenna, polarization switching, PIN diode, slot coupling, diversity,
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A Path Loss Model in Residential Areas Based on Measurement Studies Using a 5.2-GHz/2.2-GHz Dual Band Antenna Naoki KITA Shuta UWANO Akio SATO Masahiro UMEHIRA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 368-376 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: 2.2 GHz, 5.2 GHz, 5.2-GHz/2.2-GHz dual band antenna, path loss, residential areas,
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Prescaler PLL Frequency Synthesizer with Multi-Programmable Divider Yasuaki SUMI Shigeki OBOTE Naoki KITAI Hidekazu ISHII Ryousuke FURUHASHI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/20 Vol. E83-A No. 3 pp. 421-426 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, prescaler, multi-programmable divider, (N+1/2) programmable divider,
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PLL Frequency Synthesizer with Binary Phase Comparison Shigeki OBOTE Yasuaki SUMI Naoki KITAI Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/20 Vol. E83-A No. 3 pp. 427-434 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, binary phase comparison,
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Speedup of Frequency Switching Time in PLL Frequency Synthesizers Using a Target Frequency Detector Shigeki OBOTE Yasuaki SUMI Naoki KITAI Kouichi SYOUBU Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/20 Vol. E82-A No. 3 pp. 436-441 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, target frequency detector, fast frequency switching,
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