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    • 1. 发明申请
    • A METHOD AND A CENTRAL CONTROL UNIT FOR CHANNEL SWITCHING IN A PACKET-BASED COMMUNICATION NETWORK
    • 基于分组通信网络的信道切换的方法和中央控制单元
    • WO2005006013A1
    • 2005-01-20
    • PCT/SE2003/001894
    • 2003-12-04
    • INFINEON TECHNOLOGIES AGLEWIS, MichaelHJELM, Mikael
    • LEWIS, MichaelHJELM, Mikael
    • G01S7/02
    • G01S7/021G01S7/023H04W16/14H04W36/20
    • In a packet-based communication network a central control unit indicates its presence on the first channel by in addition to data traffic transmits regular beacons with a specified time interval, and upon detecting radar signals on a first channel the central control unit transmits a channel switch message and immediately switches to a second channel and resumes data traffic on that second channel, thereafter repeatedly transmitting a channel switch message on the first channel and a beacon on the second channel by switching back to the first channel to transmit second channel switch messages (either contained in beacons or separately) and switching back to the second channel to transmit regular beacons for each permissible beacon transmission time slot, until as many devices as possible associated with the central control unit has followed to the second channel.
    • 在基于分组的通信网络中,除了数据业务以规定的时间间隔传输规则的信标之外,中央控制单元还指示其在第一信道上的存在,并且在第一信道上检测到雷达信号时,中央控制单元发送信道切换 消息并立即切换到第二信道并恢复该第二信道上的数据业务,此后在第一信道上重复发送信道切换消息和第二信道上的信标,通过切换回第一信道以发送第二信道切换消息 包含在信标中或单独地),并且切换回第二信道以为每个允许的信标传输时隙传输规则信标,直到尽可能多的与中央控制单元相关联的设备已经跟随到第二信道。