Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380
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AP2007-115
Determination Scheme of Oval Approximation Size of Effective Building Area for Ray-tracing Calculation[2]
-- Indicator of the Length of the Major Axis of an Ellipse --
Siomi Takamine, Masahiko Kawamura, Yukiko Kishiki, Asuka Kajiwara (KKE), Yoshio Karasawa (AWCC)
pp. 1 - 6
AP2007-116
Fractal analysis of VHF electromagnetic noise associated with the Miyagi prefecture offshore earthquake
Naoyuki Yonaiguchi (Univ. Electro-Comms), Shigeru Masuda (TOHKnet), Yuichi Ida, Masashi Hayakawa (Univ. Electro-Comms)
pp. 7 - 11
AP2007-117
Development of LDA(Localizer-Type Directional Aids)
-- Installation Conditions of LDA Antenna --
Taneaki Chiba, Tetuo Satou, Eiichi Chaki (ASCO)
pp. 13 - 17
AP2007-118
Bandwidth Enhancement of a Low-Profile Microstrip Antenna Electromagnetically Coupled with a Folded Inverted L-shaped Probe
Kazuki Ikeda, Kenichi Kagoshima, Shigeki Obote (Ibaraki Univ.)
pp. 19 - 24
AP2007-119
A method to expand variable phase range for phase shifter by 3dB hybrid
Hiroyuki Arai (Yokohama Natl. Univ.)
pp. 25 - 28
AP2007-120
Directivity Characterization of 3-Element ESPAR Antenna as a Function of Reactance and Element Spacing
Naoki Sakai, Hideyuki Uehara, Takashi Ohira (Toyohashi Univ of Tech)
pp. 29 - 34
AP2007-121
Dependency of MIMO Channel Capacity on Power Azimuth Spectrum for Multi-band Multi-antenna Mounted on Handheld Device
Yoshiki Okano, Keizo Cho (DoCoMo)
pp. 35 - 40
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.