Yoshihisa Okumura (Japanese: 奥村善久; 2 July 1926 – 18 February 2023) was a Japanese engineer, known for development of cellular telephone networks.
His radio survey of signal strength as a function of distance as measured in drive tests in automobiles was critical to the system planning of mobile radio telephone systems.
Okumura at the (US) National Academy of Engineering presentation of the 2013 Charles Stark Draper Prize
YoshihisaOkumura (Japanese: 奥村善久; 2 July 1926 – 18 February 2023) was a Japanese engineer, known for development of cellular telephone networks. His...
path loss values are around 10 dB to 14 dB. Hata model Young model YoshihisaOkumura Bullington, K., “Radio propagation at frequencies above 30 megacycles”...
Charles Stark Draper Prize 2013 With Joel S. Engel, Martin Cooper, YoshihisaOkumura and Richard H. Frenkiel National Academy of Engineering biography...
physicist Ryoji Nakagawa (1939–), a member of the Supreme Court of Japan YoshihisaOkumura (1926–2023), an engineer Han Qing-quan (1884–1921), a Chinese doctor...
Catholic prelate, auxiliary bishop of Los Angeles (since 2015), shot. YoshihisaOkumura, 96, Japanese engineer. Ahmet Suat Özyazıcı, 87, Turkish football...
1968 18 October 1978 Setsuya Tabuchi 18 October 1978 19 December 1985 Yoshihisa Tabuchi 20 December 1985 27 June 1991 Hideo Sakamaki 27 June 1991 14 March...
quamdiu vivas" Transliteration: "We Live and Learn" Yoshihisa Matsumoto Ichirō Ōkouchi Yoshihisa Matsumoto 30 March 2005 (2005-03-30) Stuck for three...
details Kosuke Kitajima Japan 1:00.45 GR Zeng Qiliang China 1:03.04 Yoshihisa Yamaguchi Japan 1:03.22 200 m breaststroke details Kosuke Kitajima Japan...
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