Propagation DB

No.	Contents	Data type	Location	Frequency	Tx height	Environment Info	Date of resistration	Registrant
1	Path loss data in Kokura urban area	Measurement	Kokurakita-ku, Kitakyushu-shi, Fukuoka	1298 MHz	12.5 m	○	Mar. 25th 2020	S. Ichitsubo (Kyutech)
2	Path loss data in a residential area	Measurement	West area of Kyutech Tobata-campus	29.8, 53.5, 151.9, 438.5, 1298, 5120, 10500 MHz	27 m	○	Mar. 25th 2020	S. Ichitsubo (Kyutech)
3	Path loss data in an urban area	Ray-tracing	A hypothetical town	2 GHz	40, 50, 60 m	○	May 31st 2020	Y. Kishiki, G. Ching (KKE)
4	Propagation loss in urban environment	Measurement	Nakano-ku, Tokyo	2.2, 5.2, 26.4 GHz	42.5 m	×	Nov. 19th 2020	W. Yamada (NTT)
5	Path loss in the south exit area of JR Tsudanuma Station	Measurement	Narashino-shi, Chiba	1296 MHz	25 m	○	Apr. 1st 2021	H.Nakabayashi (Chiba Inst. Tech.)
6	Sample program for propagation loss prediction	–	–	–	–	–	Apr. 19th 2021	H.Nakabayashi (Chiba Inst. Tech.)
7	Characteritics of 2x2MIMO propagation channel in an indoor environment	Measurement	202, Bld. A, Faculty of Engineering, Niigata Univ.	2.452 GHz	1.2 m	×	Oct. 3rd 2022	Secretary of Propagation Research Promotion committee (formerly Propagation DB committee) (Data provision : K. Nishimori (Niigata Univ.))
8	Path loss close to ceiling with concrete beam	Measurement	2F, Bld. B21, Kadoma area, Panasonic Corp.	928 MHz	Near ceiling	×	May 1st 2023	N. Yamamoto (Panasonic Corp.)