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    • 7. 发明申请
    • Triggering rule for energy efficient data delivery
    • 能效数据传递的触发规则
    • US20070230418A1
    • 2007-10-04
    • US11395566
    • 2006-03-31
    • Shojiro TakeuchiToshiaki JozawaLeping HuangTomokazu Sakai
    • Shojiro TakeuchiToshiaki JozawaLeping HuangTomokazu Sakai
    • H04Q7/24
    • H04W52/0225H04W84/12Y02D70/1242Y02D70/142Y02D70/146Y02D70/22Y02D70/23
    • A new and unique method or apparatus for implementing an unscheduled automatic power save delivery (U-APSD) in a wireless local area network (WLAN) terminal, comprising maintaining a timer for defining a triggering interval between sending of subsequent trigger frames to a WLAN access point, wherein the value of the timer is set to dynamically change according to one or more criteria relating to the current communication situation. The criteria depend on whether there are buffered frames. at another node, point, terminal or device, such as an Access Point (AP)), in the wireless local area network (WLAN), or other suitable network. For example, when there are buffered frames at the AP, the WLAN terminal sets the triggering interval to a minimum value and sends null-data frames to quickly retrieve them, or when there is no buffered frame at the AP, the STA sets the triggering interval to a larger value to continue the doze mode for a long time and to save energy. The WLAN terminal incrementally increases the triggering interval in a binary exponential fashion, including doubling it, but not exceeding a maximum value.
    • 一种用于在无线局域网(WLAN)终端中实现非计划的自动节电传递(U-APSD)的新的和唯一的方法或装置,包括:维护定时器,用于定义将后续触发帧发送到WLAN接入的触发间隔 点,其中定时器的值被设置为根据与当前通信状况有关的一个或多个标准来动态地改变。 标准取决于是否有缓冲帧。 在另一个节点,点,终端或设备,例如接入点(AP)),在无线局域网(WLAN)或其他合适的网络中。 例如,当在AP处有缓冲帧时,WLAN终端将触发间隔设置为最小值,并发送空数据帧以快速检索它们,或者当AP没有缓冲帧时,STA设置触发 间隔到更大的值以长时间继续打盹模式并节省能量。 WLAN终端以二进制指数方式递增地增加触发间隔,包括加倍,但不超过最大值。