发明申请
US20090157309A1 METHOD FOR EXCHANGING MESSAGES IN A NAVIGATION SYSTEM USING VISIBLE LIGHT COMMUNICATIONS
审中-公开
使用可见光通信在导航系统中交换信息的方法
- 专利标题: METHOD FOR EXCHANGING MESSAGES IN A NAVIGATION SYSTEM USING VISIBLE LIGHT COMMUNICATIONS
- 专利标题(中): 使用可见光通信在导航系统中交换信息的方法
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申请号: US12336744申请日: 2008-12-17
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公开(公告)号: US20090157309A1公开(公告)日: 2009-06-18
- 发明人: Eun-Tae WON , Jong-Hoon Ann , Dae-Seok Kim , Noh-Gyoung Kang , Seung-Hoon Park , Jae-Seung Son
- 申请人: Eun-Tae WON , Jong-Hoon Ann , Dae-Seok Kim , Noh-Gyoung Kang , Seung-Hoon Park , Jae-Seung Son
- 优先权: KR10-2007-0133315 20071218
- 主分类号: G01C21/00
- IPC分类号: G01C21/00
摘要:
Method and device for exchanging messages in a VLC navigation system is provided, in which a map server generates a provision message in the form of visible light signals through all lamps in an area, using a PLC network, where a navigation service is provided, a terminal that wants to implement the navigation service among terminals that have received the provision message transmits a registration request message to the map server, the map server transmits a registration response message for the registration request message to the terminal, the terminal transmits a map request message including information about a destination to the map server, the map server transmits a map response message including information about a path to the destination to the terminal, and the terminal displays map information and the path.