- Patent Title: Communication method in vehicular wireless communication system and vehicular wireless communication system for transmission of necessary information only from a sensor to the network
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Application No.: US15326869Application Date: 2015-07-15
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Publication No.: US10375568B2Publication Date: 2019-08-06
- Inventor: Ryokichi Onishi , Makiko Matsumoto
- Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Applicant Address: JP Toyota
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Toyota
- Agency: Oliff PLC
- Priority: JP2014-148103 20140718
- International Application: PCT/JP2015/003583 WO 20150715
- International Announcement: WO2016/009651 WO 20160121
- Main IPC: H04W8/20
- IPC: H04W8/20 ; H04W12/04 ; H04W4/70 ; H04W4/04 ; H04B1/3822 ; H04L29/08 ; H04W84/12

Abstract:
In a communication method in a wireless communication system configured from a wireless connection providing apparatus (a wireless LAN access point) and a wireless communication apparatus (a wireless LAN client), the wireless connection providing apparatus acquires subscription information for specifying necessary information and includes the subscription information in a control frame notifying surroundings of presence of itself and then transmits the subscription information. The wireless communication apparatus receives the control frame, determines whether the wireless communication apparatus retains information which is specified as being necessary by the subscription information included in the control frame. When the wireless communication apparatus retains the information, the wireless communication apparatus establishes connection to the wireless connection providing apparatus and transmits the information. The subscription information can be stored in an ESSID of a beacon frame, for example.
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