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    • 5. 发明授权
    • Method and apparatus for configuring cell-specific reference signal
    • 用于配置小区特定参考信号的方法和装置
    • US09270436B2
    • 2016-02-23
    • US14128186
    • 2011-10-24
    • Xuebin LiuLian LiHui Dong
    • Xuebin LiuLian LiHui Dong
    • H04L5/00H04W52/14H04W52/16H04W52/28H04W52/32
    • H04L5/0053H04L5/005H04W52/143H04W52/16H04W52/283H04W52/325
    • The disclosure provides a method and an apparatus for configuring a Cell-Specific Reference Signal (CRS). The method includes: a cell is divided into a central area and a marginal area; a CRS is divided into a central CRS, a marginal CRS and a common CRS; a value that is obtained by adding a fixed first power value to a preset reference Energy Per Resource Element (EPRE) is configured as an EPRE value of the marginal CRS; a value that is obtained by subtracting a fixed second power value from the preset reference EPRE is configured as an EPRE value of the central CRS; and the reference EPRE is configured as the EPRE value of the common CRS. The disclosure can improve an SINR of a marginal area of a cell and enhance downlink performance of a UE in the marginal area of the cell, without affecting downlink performance of a UE in a central area of the cell.
    • 本公开提供了一种用于配置小区特定参考信号(CRS)的方法和装置。 该方法包括:将小区划分为中心区域和边缘区域; CRS分为中央CRS,边缘CRS和常见CRS; 通过将固定的第一功率值添加到预设的参考能量每资源元素(EPRE)获得的值被配置为边缘CRS的EPRE值; 通过从预设参考EPRE减去固定的第二功率值而获得的值被配置为中央CRS的EPRE值; 参考EPRE被配置为公共CRS的EPRE值。 本公开可以改善小区的边缘区域的SINR,并且增强UE在小区的边缘区域中的下行性能,而不影响小区的中心区域中的UE的下行性能。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR PERFORMING BACKWARD-DRIVEN PATH-SENSITIVE DATAFLOW ANALYSIS
    • 用于执行后向驱动路径敏感数据流分析的方法和系统
    • US20130031531A1
    • 2013-01-31
    • US13192349
    • 2011-07-27
    • Nathan Robert Albert KeynesCristina N. CifuentesLian Li
    • Nathan Robert Albert KeynesCristina N. CifuentesLian Li
    • G06F9/44
    • G06F8/74G06F8/427
    • In general, in one aspect, the invention relates to a method for static analysis. The method includes: obtaining source code; constructing a control flow graph (CFG) corresponding to the source code, by identifying control structures within the source code, creating a set of graph nodes of the CFG, and creating a set of directed graph edges of the CFG connecting the set of graph nodes; assigning a first Boolean flow value to a selected node of the set of graph nodes; backward traversing the CFG from the selected node to a target node; computing, by a computer processor and while backward traversing the CFG, disjoint predicate expressions representing flow values at the set of directed graph edges; computing, based on the disjoint predicate expressions, a resulting disjoint predicate expression; and identifying, based on the resulting disjoint predicate expression, a potential program property in the source code.
    • 通常,一方面,本发明涉及静态分析方法。 该方法包括:获取源代码; 通过识别源代码中的控制结构,创建一组CFG的图形节点,以及创建连接该图形节点组的CFG的一组有向图边缘来构建与源代码相对应的控制流程图(CFG) ; 向所述一组图形节点的所选节点分配第一布尔流值; 从选择的节点向目标节点反向遍历CFG; 通过计算机处理器进行计算,并且在向后遍历CFG时,分离表示在有向图边缘集合处的流量值的谓词表达式; 基于不相交的谓词表达式计算所得到的不相交谓词表达式; 并且基于所得到的不相交谓词表达来识别源代码中的潜在程序属性。