Seigo Nakao
Sanyo
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Publication
Featured researches published by Seigo Nakao.
vehicular technology conference | 2002
Yoshiharu Doi; Tadayoshi Ito; Jun Kitakado; Takeo Miyata; Seigo Nakao; Takeo Ohgane; Yasutaka Ogawa
Space division multiple access (SDMA) is a multiple access scheme for mobile communications that improves system capacity. We developed the SDMA base station (BS) and carried out several tests. We describe the configuration of the SDMA BS and the results of the tests. The result of the indoor measurement indicates that the SDMA BS has sufficient interference suppression performance. The results of the field test indicate that the traffic capacity is several times greater than existing systems and interference emitted from the SDMA BS is decreased. Therefore, it is confirmed that the SDMA BS achieves substantial improvements in spectrum efficiency without any degradation.
Archive | 2006
Seigo Nakao
Archive | 2006
Yasuhiro Tanaka; Seigo Nakao
Archive | 2007
Seigo Nakao; Yoshiyuki Otani; Kiyoshige Ito
Archive | 2005
Seigo Nakao; Yasuhiro Tanaka; Nobuo Higashida
Archive | 2006
Yasuhiro Tanaka; Seigo Nakao
Archive | 2003
Seigo Nakao; Yoshiharu Doi
Archive | 2005
Seigo Nakao; Yasuhiro Tanaka
Archive | 2004
Seigo Nakao; Nobuo Higashida
Archive | 2006
Yoshiharu Doi; Seigo Nakao; Takaaki Makita
