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    • 5. 发明专利
    • DE602006011181D1
    • 2010-01-28
    • DE602006011181
    • 2006-08-07
    • CISCO TECH INC
    • HART BRIAN DDOUGLAS BRETTON LEEQIAN LU
    • H04W16/18
    • Described herein are a computer-implemented method of determining a power plan/frequency plan combination assigning transmit frequency channels and transmit powers for a plurality of managed access points (APs) of a wireless network. Also described herein is a carrier medium carrying computer readable code configured to cause one or more processors of a processing system to implement the computer implemented method of determining a power plan/frequency plan combination. The method includes determining candidate power plans for the access points, including determining candidate transmit powers for the access points, determining a candidate frequency plan corresponding to each of the determined candidate power plans using a frequency plan determining method to determine a set of candidate power plan/frequency plan combinations, and rating each combination of a candidate power plan and candidate frequency plan according to an evaluation criterion, and selecting a preliminary power plan/frequency plan combination based on the rating. One embodiment of the method further includes determining a final power plan for the preliminary frequency plan of the preliminary power plan/frequency plan combination to obtain a final power plan/frequency plan combination.
    • 10. 发明申请
    • RELATIVE LOCATION OF A WIRELESS NODE IN A WIRELESS NETWORK
    • 无线网络中无线节点的相对位置
    • WO2008042641A3
    • 2009-05-22
    • PCT/US2007079354
    • 2007-09-25
    • CISCO TECH INC
    • HART BRIAN DONALDDOUGLAS BRETTON LEE
    • G01S3/02
    • H04W64/00H04W16/20
    • In one embodiment, a method includes computing a probability surface corresponding to the location probability of the wireless node within a physical region based on the received signal strength data associated with a wireless node and an RF model of the physical region; computing, based on the probability surface, an aggregate probability (Pin) of the wireless node being inside a perimeter defined with the physical region! computing, based on the probability surface, an aggregate probability (Pout) of the wireless node being outside the perimeter; computing a probability ratio of the aggregate probabilities Pin to Pout; and determining whether the wireless node is inside or outside the perimeter based on a comparison of Pout and Pin.
    • 在一个实施例中,一种方法包括基于与无线节点相关联的接收信号强度数据和物理区域的RF模型来计算与物理区域内的无线节点的位置概率相对应的概率表面; 基于概率表面计算无线节点在由物理区域定义的周界内的聚合概率(Pin)! 基于概率表面计算无线节点在外围之外的聚合概率(Pout); 计算总概率Pin与Pout的概率比; 以及基于Pout和Pin的比较来确定无线节点是在内部还是外部。