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    • 17. 发明授权
    • Wireless spectrum valuation
    • 无线频谱估值
    • US08265634B1
    • 2012-09-11
    • US12045124
    • 2008-03-10
    • Stephen R. BalesSyed U. AhmedFeng XieVijay Rudraraju
    • Stephen R. BalesSyed U. AhmedFeng XieVijay Rudraraju
    • H04W40/00
    • H04W16/22
    • A wireless spectrum valuation system receives input data. The system processes the input data to identify and display a geographic area with a population density greater than the population density threshold. The system calculates and displays a number of cell sites required for an initial deployment in the identified geographic area and calculates a first number of subscribers per cell site. If the first number of subscribers per cell site is greater than a cell site utilization threshold, then the system calculates and displays an additional number of cell sites required for the initial deployment and recalculates a number of subscribers per cell site. The system calculates a number of carriers required per cell site, calculates a cost for the initial deployment, and calculates and displays a value of a wireless spectrum.
    • 无线频谱估值系统接收输入数据。 系统处理输入数据以识别和显示具有大于人口密度阈值的人口密度的地理区域。 系统计算并显示在所识别的地理区域中初始部署所需的多个小区站点,并计算每个小区站点的第一个订户数量。 如果每个小区站点的第一个订户数量大于小区站点利用率阈值,则系统计算并显示初始部署所需的附加数量的小区站点,并重新计算每个小区站点的多个订户。 系统计算每个小区站点所需的载波数量,计算初始部署的成本,并计算和显示无线频谱的值。
    • 20. 发明授权
    • Method and apparatus for adaptive hierarchical visibility in a tiled three-dimensional graphics architecture
    • 用于平铺三维图形架构中的自适应分层可见性的方法和装置
    • US06525726B1
    • 2003-02-25
    • US09432134
    • 1999-11-02
    • Feng XieMichael J. Shantz
    • Feng XieMichael J. Shantz
    • G06T1540
    • G06T15/40
    • A data processing system providing high performance three-dimensional graphics includes at least one system processor, chipset core logic, a graphics processor, and a Z-buffer. In one embodiment an adaptive hierarchical visibility (AHV) method performs occlusion-culling in a tiled 3D graphics hardware architecture. Polygon bins for each tile are bucket-sorted in order of increasing depth Z. Polygon bins are rendered starting with the bin closest to the viewer. After some number of bins are rendered, a single layer, hierarchical Z-buffer (HZ) may be constructed from the Z-buffer thus far accumulated for the rendered bins, if it would be cost effective to do so. Subsequent bins are rendered by first testing their polygons against the HZ buffer to see if they are hidden. Also described are an integrated circuit for implementing the AHV algorithm, and a computer-readable medium storing a data structure for implementing the AHV method and apparatus.
    • 提供高性能三维图形的数据处理系统包括至少一个系统处理器,芯片组核心逻辑,图形处理器和Z缓冲器。 在一个实施例中,自适应分层可见性(AHV)方法在平铺的3D图形硬件体系结构中执行遮挡剔除。 每个瓷砖的多边形料仓按照增加深度Z的顺序进行铲斗分类。多边形仓从最接近查看器的料仓开始。 在渲染一些数量的存储区之后,可以从Z缓冲区构建单层层次化Z缓冲区(HZ),以便如此才能实现这样做成本有效。 通过首先测试它们对HZ缓冲区的多边形来查看它们是否被隐藏,从而渲染后续的区块。 还描述了用于实现AHV算法的集成电路和存储用于实现AHV方法和装置的数据结构的计算机可读介质。