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    • 73. 发明授权
    • Method of identifying a counterfeit bill using a portable terminal
    • 使用便携式终端识别伪钞的方法
    • US08855398B2
    • 2014-10-07
    • US13564347
    • 2012-08-01
    • Dong-Hyuk LeeJung-Kee LeeSeong-Taek HwangDo-Hyeon Kim
    • Dong-Hyuk LeeJung-Kee LeeSeong-Taek HwangDo-Hyeon Kim
    • G06K9/00G07D7/20G06K9/20G07D7/12
    • G07D7/2025G06F17/30244G06K9/2018G07D7/12G07D7/202
    • A method and a portable terminal for identifying a counterfeit bill. The method includes receiving, by the portable terminal, an image of a bill photographed using visible rays and an image of the bill photographed using infrared rays; determining a denomination of the bill by comparing the image photographed using the visible rays with a denomination database; obtaining correction information for making the image photographed using the visible rays correspond to a corresponding bill image in the denomination database; forming a corrected image by correcting the image photographed using the infrared rays using the correction information; binary-coding the corrected image; and determining whether the bill is counterfeit by comparing the binary-coded corrected image with an image of the corresponding bill pre-stored in a genuine bill database.
    • 一种用于识别伪钞的方法和便携式终端。 该方法包括:由便携式终端接收使用可见光拍摄的纸币的图像和使用红外线拍摄的纸币的图像; 通过将使用可见光拍摄的图像与面额数据库进行比较来确定纸币的面额; 获取用于使使用可见光拍摄的图像的校正信息对应于面额数据库中的对应的纸币图像; 通过使用校正信息校正使用红外线拍摄的图像来形成校正图像; 二进制编码校正图像; 以及通过将所述二进制编码的校正图像与预先存储在真实账单数据库中的相应账单的图像进行比较来确定所述票据是否是伪造的。
    • 76. 发明授权
    • Method for SER approximation for OSTBC in distributed wire communication systems
    • 分布式线通信系统中OSTBC的SER近似方法
    • US08571121B2
    • 2013-10-29
    • US12034723
    • 2008-02-21
    • Shuangfeng HanSeong-Taek HwangHan-Lim Lee
    • Shuangfeng HanSeong-Taek HwangHan-Lim Lee
    • H04L27/10
    • H04L1/20H04B7/0443H04L1/0618Y02D70/444
    • A method for Symbol Error Rate (SER) approximation of an SER-based transmission power allocation operation for an Orthogonal Space Time Block Code in a DWCS equipped with multiple transmission Distributed Antennas (DA) geographically dispersed at random. The method for SER approximation includes the steps of: setting multiple combinable antenna subsets from the multiple DAs; selecting a quasi-optimal antenna subset Ag (1≦g≦2n−1) having a quasi-optimal power allocation weight wg based on predetermined power allocation, for each of the set multiple antenna subsets; and calculating an SER approximation value of the selected quasi-optimal antenna subset by applying a Probability Density Function (PDF) of a Signal-to-Noise Ratio (SNR) to the OSTBC SER having symbol constellation of a predetermined modulation scheme. The output of the SER approximation value can be output to a transmitter, or to a space-time encoder of a central processor for optimal power transmission.
    • 一种用于在配备有随机分布的多传输分布式天线(DA)的DWCS中的正交空间时间块码的基于SER的发射功率分配操作的符号误码率(SER)近似方法。 SER近似的方法包括以下步骤:从多个DA设置多个可组合天线子集; 对于所设置的多个天线子集中的每一个,选择具有基于预定功率分配的准最优功率分配权重wg的准最优天线子集Ag(1 @ g @ 2n-1) 以及通过将具有信号噪声比(SNR)的概率密度函数(PDF))应用于具有预定调制方案的符号星座图的OSTBC SER来计算所选择的准最佳天线子集的SER近似值。 SER近似值的输出可以输出到中央处理器的发射机或时空编码器,以实现最佳的功率传输。
    • 79. 发明授权
    • Bridge-based radio access station backbone network system and signal processing method therefor
    • 基于桥的无线接入站骨干网系统及其信号处理方法
    • US08149784B2
    • 2012-04-03
    • US11880659
    • 2007-07-24
    • Hoon KimSeong-Taek HwangJong-Ho YoonJae-Hun Cho
    • Hoon KimSeong-Taek HwangJong-Ho YoonJae-Hun Cho
    • H04W4/00H04L12/28
    • H04L29/12028H04L61/103H04W8/04H04W8/26H04W40/246H04W92/02
    • A bridge-based RAS backbone network system and a signal processing method therefor are provided. In the bridge-based RAS backbone network system, a plurality of BSBs with Layer 2 (L2) switches are connected to a plurality of RASs, and a plurality of SCBs with L2 switches are connected to part of the BSBs in a lower layer, forming a core network. An HLR manages configuration information of network entities by storing the IP addresses and MAC addresses of MNs within the network and the addresses of SCBs to which the MNs belong in a table. Each of the SCBs statically preserves the MAC address of an external default router, for relaying an egress frame, statically registers its individual MAC address in other SCBs in the core network beforehand, detects a destination MN through the HLR, and sends a frame to the SCB of the destination MN or the MAC address of the external default router.
    • 提供了一种基于桥梁的RAS骨干网系统及其信号处理方法。 在基于桥的RAS骨干网系统中,具有层2(L2)交换机的多个BSB连接到多个RAS,并且具有L2交换机的多个SCB与下层的部分BSB连接,形成 核心网络。 HLR通过存储网络中的MN的IP地址和MAC地址以及MN所属的SCB的地址来管理网络实体的配置信息。 每个SCB静态地保留外部默认路由器的MAC地址,用于中继出站帧,预先在核心网中的其他SCB中静态注册其各自的MAC地址,通过HLR检测目的地MN,并将帧发送到 目的MN的SCB或外部默认路由器的MAC地址。