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    • 31. 发明授权
    • Channel search method and system for vertical handoff in wireless network environment
    • 无线网络环境中垂直切换的信道搜索方法和系统
    • US08111675B2
    • 2012-02-07
    • US11790781
    • 2007-04-27
    • Jae Hoon KimJi Hoon Lee
    • Jae Hoon KimJi Hoon Lee
    • H04W4/00
    • H04W36/0083H04W36/04H04W84/042H04W84/12H04W84/18
    • A channel search method for a vertical handoff in a wireless network environment is provided, the channel search method including: collecting channel information from a first terminal which is provided with a wireless local area network (WLAN) service via a channel connection with a WLAN node; and determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information. A channel search system for a vertical handoff in a wireless network environment is also provided, the channel search system including: a channel information collection unit for collecting channel information from a first terminal which is provided with a WLAN service via a channel connection with a WLAN node and a search order determination unit for determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information.
    • 提供了一种用于无线网络环境中的垂直切换的信道搜索方法,所述信道搜索方法包括:经由与WLAN节点的信道连接从提供无线局域网(WLAN)服务的第一终端收集信道信息 ; 以及通过使用所收集的频道信息来确定用于第二终端和所述WLAN节点之间的频道连接的频道搜索顺序。 还提供了一种用于无线网络环境中的垂直切换的频道搜索系统,所述频道搜索系统包括:频道信息收集单元,用于从经由与WLAN的频道连接提供WLAN服务的第一终端收集频道信息 节点和搜索顺序确定单元,用于通过使用所收集的频道信息来确定第二终端和WLAN节点之间的频道连接的频道搜索顺序。