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    • 1. 发明授权
    • Method and apparatus of sensor network supporting bidirectional event detection
    • 传感器网络支持双向事件检测的方法和装置
    • US09119149B2
    • 2015-08-25
    • US13428059
    • 2012-03-23
    • Hyo Sun HwangChi Sung BaeSeung Ku KimJae Ho LeeDoo Seop Eom
    • Hyo Sun HwangChi Sung BaeSeung Ku KimJae Ho LeeDoo Seop Eom
    • G08C17/00H04W52/02H04W56/00H04W84/18
    • H04W52/0241H04W52/0229H04W56/001H04W56/0045H04W84/18Y02D70/00
    • A communication method of a coordinator in a bidirectional event transmission sensor network comprising a sensor node and the coordinator is provided. The method includes sensing, in an uplink section, whether a signal having energy greater than or equal to a predetermined magnitude is received, the signal indicating occurrence of an uplink event detected by the sensor node, and transmitting, to the sensor node in a downlink section, a synchronization packet that is used for receiving the uplink event or for transmitting a downlink event in response to the coordinator detecting the downlink event or sensing the signal having energy greater than or equal to the predetermined magnitude in the uplink section. The bidirectional event transmission sensor network has a structure of a super frame that includes at least one standby slot (SS) including the uplink section and the downlink section.
    • 提供了一种包括传感器节点和协调器的双向事件传输传感器网络中的协调器的通信方法。 该方法包括在上行链路部分中感测到是否接收到具有大于或等于预定幅度的能量的信号,所述信号指示由传感器节点检测到的上行链路事件的发生,并且在下行链路中向传感器节点发送 用于响应于协调器检测下行链路事件或感测具有大于或等于上行链路部分中的预定大小的能量的信号而用于接收上行链路事件或用于发送下行链路事件的同步分组。 双向事件传输传感器网络具有包括至少一个包括上行链路部分和下行链路部分的备用时隙(SS)的超帧的结构。