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    • 3. 发明申请
    • FREIGHT CONTAINER CARGO-WORKING MANAGEMENT SYSTEM AND METHOD USING RFID TECHNOLOGY
    • 使用RFID技术的货运集装箱货物管理系统和方法
    • US20100253483A1
    • 2010-10-07
    • US12676771
    • 2008-05-23
    • Hoe-Sung YangDong-Beom ShinSeung Il MyongHeyung Sub LeeGil Young ChoiCheol Sig Pyo
    • Hoe-Sung YangDong-Beom ShinSeung Il MyongHeyung Sub LeeGil Young ChoiCheol Sig Pyo
    • H04Q5/22
    • G06Q10/08
    • A freight container cargo-working management system and method which can use Radio Frequency Identification (RFID) technology for displaying a cargo-working location of a container by recognizing an RFID tag adhered to a container vehicle passing through a warehouse entrance is provided. A freight container cargo-working management system including: an RFID tag to include freight information and be adhered to a container; an RFID reader to be installed at a warehouse entrance for recognizing the freight information included in the RFID tag; a cargo-working location information transmitter to be installed at the warehouse entrance for wirelessly transmitting cargo-working location information of the container corresponding to the freight information recognized by the RFID reader; and a cargo-working location display to be included in a vehicle with the container attached for displaying the cargo-working location information wirelessly transmitted from the cargo-working location information transmitter.
    • 提供了一种货物集装箱货物管理系统和方法,其可以使用射频识别(RFID)技术来识别附着在通过仓库入口的集装箱车辆上的RFID标签来显示集装箱的货物工作位置。 货物集装箱货运管理系统,包括:RFID标签,包括货运信息,并附在容器上; 将要安装在仓库入口处的用于识别RFID标签中包含的货运信息的RFID读取器; 在仓库入口处安装货物处理位置信息发送器,用于无线地传送与由RFID读取器识别的货运信息对应的容器的货物工作位置信息; 以及包含在车辆中的货物工作位置显示器,其中附接有用于显示从货物工作位置信息发送器无线发送的货物工作位置信息的容器。
    • 8. 发明授权
    • Parallel automatic frequency offset estimation method and apparatus
    • 并行自动频偏估计方法及装置
    • US08422593B2
    • 2013-04-16
    • US12579840
    • 2009-10-15
    • Seung-il MyongJong-sub ChaHoe-sung YangKang-bok LeeHeyung-sub LeeJong-suk Chae
    • Seung-il MyongJong-sub ChaHoe-sung YangKang-bok LeeHeyung-sub LeeJong-suk Chae
    • H03K9/06
    • H04L27/0014H04L2027/0026H04L2027/0046
    • Disclosed is a wireless signal receiving apparatus, and more particularly, disclosed is a parallel automatic frequency offset estimation apparatus and method for tracking a frequency offset in an early stage by calculating, in parallel, frequency offsets of a received signal. The parallel automatic frequency offset estimation apparatus includes a receiving unit to receive a data frame; and a frequency offset estimation unit to calculate, in parallel, frequency and phase deviations at different bit intervals within a particular section of the received data frame, to add together the frequency and phase deviations to obtain a first sum of the frequency and phase deviations, and to add the first sum to a frequency phase deviation calculated for each bit after the particular section in the received data frame to obtain a second sum of the frequency and phase deviations. Accordingly, transmission frequency tracking can be performed at higher speed, compared to the conventional systems in which frequency offset acquisition is carried out in stages. Also, accurate tracking of a transmission frequency is possible in an initial frame.
    • 公开了一种无线信号接收装置,更具体地,公开了一种并行自动频率偏移估计装置和方法,用于通过并行计算接收信号的频率偏移来跟踪早期的频率偏移。 并行自动频率偏移估计装置包括:接收单元,用于接收数据帧; 以及频率偏移估计单元,用于并行地计算在接收数据帧的特定部分内的不同比特间隔处的频率和相位偏差,以将频率和相位偏差相加以获得频率和相位偏差的第一和, 并且将第一和加到针对接收数据帧中的特定部分之后的每个比特计算的频率相位偏移,以获得频率和相位偏差的第二和。 因此,与分阶段进行频率偏移获取的常规系统相比,可以以更高的速度执行传输频率跟踪。 此外,在初始帧中可以准确地跟踪传输频率。