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    • 3. 发明授权
    • Method and apparatus for battery life extension for nodes within beaconing networks
    • 信标网络节点电池寿命延长的方法和装置
    • US06879567B2
    • 2005-04-12
    • US10463138
    • 2003-06-17
    • Edgar H. CallawayMonique J. Bourgeois
    • Edgar H. CallawayMonique J. Bourgeois
    • G08C17/00H04Q7/24
    • G08C17/00
    • An “identical beacons” field (401) is inserted near the beginning of a transmitted beacon (403) that contains either an integer equal to the number of consecutive identical beacons sent (i.e., identical to the one presently being transmitted) or a repetition bit indicating whether or not the beacon contains changed information when compared to a prior-sent beacon. After sleeping awhile, a node (302-304) wakes up, receives a first portion of the beacon containing the identical beacons field, and analyzes the identical beacons field. Based on the analysis, the node makes a decision on whether to remain “awake” for reception of the remaining beacon or to return to sleep.
    • 在发送的信标(403)的开始附近插入“相同的信标”字段(401),其包含等于所发送的连续相同信标的数量的整数(即,与当前正在发送的信标相同)或重复位 指示当与先前发送的信标相比时,信标是否包含改变的信息。 睡觉一段时间后,节点(302-304)醒来,收到包含相同信标字段的信标的第一部分,并分析相同的信标字段。 基于分析,节点作出关于是否保持“唤醒”接收剩余信标或返回睡眠的决定。
    • 4. 发明授权
    • Method and apparatus for battery life extension for nodes within beaconing networks
    • 信标网络节点电池寿命延长的方法和装置
    • US07400595B2
    • 2008-07-15
    • US11017274
    • 2004-12-20
    • Edgar H. CallawayMonique J. Bourgeois
    • Edgar H. CallawayMonique J. Bourgeois
    • G08C17/00
    • G08C17/00
    • An “identical beacons” field (401) is inserted near the beginning of a transmitted beacon (403) that contains either an integer equal to the number of consecutive identical beacons sent (i.e., identical to the one presently being transmitted) or a repetition bit indicating whether or not the beacon contains changed information when compared to a prior-sent beacon. After sleeping awhile, a node (302-304) wakes up, receives a first portion of the beacon containing the identical beacons field, and analyzes the identical beacons field. Based on the analysis, the node makes a decision on whether to remain “awake” for reception of the remaining beacon or to return to sleep.
    • 在发送的信标(403)的开始附近插入“相同的信标”字段(401),其包含等于所发送的连续相同信标的数量的整数(即,与当前正在发送的信标相同)或重复位 指示当与先前发送的信标相比时,信标是否包含改变的信息。 睡觉一段时间后,节点(302 - 304)唤醒,接收包含相同信标字段的信标的第一部分,并分析相同的信标字段。 基于分析,节点作出关于是否保持“唤醒”接收剩余信标或返回睡眠的决定。