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    • 31. 发明授权
    • Providing contention free quality of service to time constrained data
    • 为时间有限的数据提供无争议的服务质量
    • US07349422B2
    • 2008-03-25
    • US10453306
    • 2003-06-03
    • Francis DuongAbhishek AbhishekArun Ayyagari
    • Francis DuongAbhishek AbhishekArun Ayyagari
    • H04L12/413
    • H04L65/608H04L29/06027H04L65/80H04W28/24H04W72/0406H04W72/10H04W74/04
    • The principles of the present invention provide for providing contention free quality of service to wireless stations. A station indicates to an access point that higher priority data (e.g., time constrained data) is to be sent to the access point. The access point receives the indication and selects a slot time for the station based on the number of other stations that have also indicated higher priority data. A slot time is selected such that the station can check for access to a common wireless link before any stations with lower priority data (e.g., data without time constraints). The access point sends the selected slot time to the station and the station receives the slot time. When the station receives an indication that an application has higher priority data to send, the station checks the common wireless link for availability at the selected slot time.
    • 本发明的原理提供了向无线站提供无争用的服务质量。 站点向接入点指示要向接入点发送较高优先级的数据(例如,时间受限的数据)。 接入点接收指示,并根据也指示较高优先级数据的其他站的数量选择站的时隙时间。 选择时隙时间,使得站可以在具有较低优先级数据的任何站(例如,没有时间限制的数据)之前检查对公共无线链路的访问。 接入点将所选择的时隙发送到站,站接收到时隙。 当站接收到应用具有较高优先级数据以发送的指示时,站在所选择的时隙时间检查公共无线链路的可用性。
    • 33. 发明申请
    • Surveillance network system
    • 监控网络系统
    • US20070150565A1
    • 2007-06-28
    • US11317634
    • 2005-12-22
    • Arun AyyagariKevin UngRick BlairMichael FosterDavid Corman
    • Arun AyyagariKevin UngRick BlairMichael FosterDavid Corman
    • G06F15/173
    • H04L67/12H04L63/08H04W84/18
    • Embodiments of a sensor network system provide surveillance capabilities in multiple contexts/environments (e.g., military, commercial, scientific, civic, urban, wilderness, etc.). Network nodes may include devices such as sensors, network routers, network controllers, etc. Network sensors may be configured so that power management objectives are maximized. Network sensors (both individually and as a group) may be capable of intelligent and cooperative information gathering, so that the output of the sensor network does not contain high levels of irrelevant information. The network nodes may communicate among one another via one or more communication links, and in some cases, multiple routes between any two network nodes may be available. The sensor network may include aspects of both high data rate and low data rate network features. One or more network controllers may provide various network management capabilities, including management of network routing, information collection, information exportation, network configuration, etc.
    • 传感器网络系统的实施例在多个环境(例如军事,商业,科学,公民,城市,荒野等)中提供监视能力。 网络节点可以包括诸如传感器,网络路由器,网络控制器等的设备。网络传感器可以被配置为使得功率管理目标被最大化。 网络传感器(单独和组合)可能能够进行智能和协作的信息收集,从而传感器网络的输出不包含高水平的无关信息。 网络节点可以经由一个或多个通信链路彼此通信,并且在一些情况下,任何两个网络节点之间的多个路由可以是可用的。 传感器网络可以包括高数据速率和低数据速率网络特征的方面。 一个或多个网络控制器可以提供各种网络管理能力,包括网络路由的管理,信息收集,信息输出,网络配置等。