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    • 10. 发明公开
    • DVB-H CBMS SYSTEM AND METHOD FOR SUPPORTING ACTIVE HANDOVER IN THE SAME
    • DVB-H CBMS系统和支持主动切换的方法
    • KR20070075475A
    • 2007-07-24
    • KR20060003805
    • 2006-01-13
    • SAMSUNG ELECTRONICS CO LTD
    • ANN JONG HOONLEE KOOK HEUISONG JAE YEONJUNG BO SUNLEE JONG HYOLEE HYE YOUNGXU YILING
    • H04B7/26
    • H04W36/005H04L1/0014
    • A portable digital video broadcasting and convergence of broadcasting and mobile service system and a method for supporting active handover in the system are provided to offer the active handover to a terminal which is in a situation incapable of receiving a broadcasting signal, thereby supplying a seamless service even to a moving user. Reception intensity of a service that a user currently receives is checked to attempt passive handover if the reception intensity is less than a reference value(700-720). If the passive handover fails, a terminal demands active handover to a network(711-740). The terminal receives a response for the demand from the network, and transmits an active handover confirm message to the network(750,760). The terminal performs a tuning operation for searching a transport stream of the currently received service by moving a reception frequency, and completes the handover(770). The terminal keeps receiving the currently received service through a channel generated by the handover(701).
    • 提供广播和移动业务系统的便携式数字视频广播和融合以及用于支持系统中的主动切换的方法,以向处于不能接收广播信号的状态的终端提供主动切换,由此提供无缝服务 甚至移动用户。 如果接收强度小于参考值,则检查用户当前接收的服务的接收强度以尝试被动切换(700-720)。 如果被动切换失败,终端需要主动切换到网络(711-740)。 终端从网络接收对需求的响应,并向网络发送主动切换确认消息(750,760)。 终端通过移动接收频率来执行用于搜索当前接收到的服务的传输流的调谐操作,并完成切换(770)。 终端通过切换生成的信道继续接收当前接收的业务(701)。