Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Tsutomu Yokoyama is active.

Publication


Featured researches published by Tsutomu Yokoyama.


Archive | 2001

Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control method

Narumi Umeda; Tsutomu Yokoyama; Sadayuki Hongo


Archive | 2007

Mobile communications system, mobile communications network controller, mobile communications terminal, and method of controlling mobile communications network

Yoko Kikuta; Kenji Sakamoto; Tsutomu Yokoyama; Kenichi Yamazaki


Archive | 2001

Information distributing device, system and method therefor, information distribution program and recording medium with this recorded thereon

Yoko Kikuta; Kenji Sakamoto; Kenichi Yamazaki; Tsutomu Yokoyama; 憲司 坂本; 憲一 山崎; 勉 横山; 洋子 菊田


Archive | 2003

Mobile communication system, mobile communication network controller, mobile communication terminal and method for controlling mobile communication network

Namiko Kikuta; Kenji Sakamoto; Tsutomu Yokoyama


Archive | 2003

Mobile communication system, mobile communication network controller, mobile communication terminal and mobile communication network control method

Yoko Kikuta; Kenji Sakamoto; Kenichi Yamazaki; Tsutomu Yokoyama; 憲司 坂本; 憲一 山崎; 勉 横山; 洋子 菊田


Archive | 2002

Seamless mobile services using mobility prediction

Yoko Kikuta; Kenji Sakamoto; Kenichi Yamazaki; Tsutomu Yokoyama


Archive | 2006

Mobile communication system and method of controlling mobile communication network

Yoko Kikuta; Kenji Sakamoto; Kenichi Yamazaki; Tsutomu Yokoyama; 憲司 坂本; 憲一 山崎; 勉 横山; 洋子 菊田


Archive | 2001

Mobile communication system with automatic adjustment of the transfer rate

Sadayuki Hongo; Narumi Umeda; Tsutomu Yokoyama


Archive | 2002

Drahtlose mobile Dienste mittels Mobilitätsprädiktion

Yoko Kikuta; Kenji Sakamoto; Kenichi Yamazaki; Tsutomu Yokoyama


Archive | 2002

Nahtlose mobile Dienste mittels Mobilitätsvorhersage Seamless mobile services using mobility prediction

Yoko Kikuta; Kenji Sakamoto; Tsutomu Yokoyama; Kenichi Yamazaki

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