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Title:
無線通信システム及び無線通信方法
Document Type and Number:
Japanese Patent JP4113160
Kind Code:
B2
Abstract:
A wireless communication system having wireless terminal stations to perform direct communication without passing through a wireless base station. This system includes a wireless communication device (10) which performs either a first wireless communication using a first channel having a first frequency band or the second wireless communication using a second channel having a second frequency band with a bandwidth greater than that of the first frequency band. This system also includes a generation device (20) which generates a switching control frame to control switching between a communication period by the first wireless communication and a communication period by the second wireless communication, and a communication control device (21) which controls the wireless communication device so as to transmit the switching control frame. A wireless terminal station is selected as a temporal central control station (70) having a switching control right to control switching between the first and second wireless communications.

Inventors:
Utsunomiya Yoriko
Tomoko Adachi
Masahiro Takagi
Toru Nakajima
Tomoya Dan
Nishibayashi Taiyo
Application Number:
JP2004187032A
Publication Date:
July 09, 2008
Filing Date:
June 24, 2004
Export Citation:
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Assignee:
Toshiba Corporation
International Classes:
H04L12/28; H04B7/24; H04W4/00; H04W72/04; H04W74/08; H04W76/04; H04W84/12; H04W84/18; H04W88/06
Domestic Patent References:
JP2003087856A
JP2003224514A
JP2004534480A
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto