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    CROSS-LAYER ROUTING METHOD IN WIRELESS SENSOR NETWORK
    31.
    发明申请
    CROSS-LAYER ROUTING METHOD IN WIRELESS SENSOR NETWORK 有权
    无线传感器网络中的跨层路由方法

    公开(公告)号：US20090147725A1

    公开(公告)日：2009-06-11

    申请号：US12193181

    申请日：2008-08-18

    Applicant: Chang Sub SHIN ,  Bong Soo KIM ,  Cheol Sig PYO ,  Jong Suk CHAE ,  Hyuk LIM ,  In Hyeok JANG ,  Hyo Joo KIM

    Inventor： Chang Sub SHIN ,  Bong Soo KIM ,  Cheol Sig PYO ,  Jong Suk CHAE ,  Hyuk LIM ,  In Hyeok JANG ,  Hyo Joo KIM

    IPC: H04B7/14

    CPC classification number: H04B7/155 ,  H04W40/12 ,  H04W40/22

    Abstract: Provided is a cross-layer routing method in a wireless sensor network including: locating a destination node which is a final destination of data by a source node which generates the data; and determining an optimal relay node among one or more neighboring nodes using their position information for each hop and forwarding the data from the source node to the destination node through the determined relay nodes. Therefore, an effective and stable routing which reduces overheads of additional control messages used for stable data forwarding and reduces collisions in a shared channel by using wireless link layer characteristics can be implemented.

    Abstract translation: 提供了一种无线传感器网络中的跨层路由选择方法，包括：通过生成数据的源节点定位作为数据的最终目的地的目的地节点; 以及使用其每一跳的位置信息确定一个或多个相邻节点之间的最佳中继节点，并且通过所确定的中继节点将数据从源节点转发到目的地节点。 因此，可以实现有效和稳定的路由，其减少用于稳定数据转发的附加控制消息的开销，并且通过使用无线链路层特性减少共享信道中的冲突。

    METHOD AND SYSTEM FOR PREVENTING LOSS OR THEFT USING WIRELESS PAN OR LAN
    35.
    发明申请
    METHOD AND SYSTEM FOR PREVENTING LOSS OR THEFT USING WIRELESS PAN OR LAN 有权
    使用无线PAN或LAN防止丢失或误码的方法和系统

    公开(公告)号：US20090135012A1

    公开(公告)日：2009-05-28

    申请号：US12062120

    申请日：2008-04-03

    Applicant: Sun-Jin KIM ,  Junghae SEO ,  Sun-Joong KIM ,  Cheol Sig PYO ,  Jong-Suk CHAE

    Inventor： Sun-Jin KIM ,  Junghae SEO ,  Sun-Joong KIM ,  Cheol Sig PYO ,  Jong-Suk CHAE

    IPC: G08B13/14

    CPC classification number: G08B13/1436 ,  G08B13/1427 ,  G08B13/1472 ,  G08B21/0238 ,  G08B21/0261 ,  G08B21/0277

    Abstract: A method and system of preventing a loss/theft using a wireless personal area network (PAN) or a wireless local area network (LAN) which can receive, from a mobile device included in a surveillance target via a gateway, a location information of the surveillance target generated by using mobile device information for the surveillance target, the mobile: device information being collected by a; sensor of the mobile device, and signal information communicated between the mobile device and a fixed device, can determine whether there is a loss or a theft by comparing surveillance target information and a permission standard, and can provide alert information including the location information of the surveillance target when there is the loss or the theft is provided.

    Abstract translation: 一种使用无线个域网（PAN）或无线局域网（LAN）防止丢失/盗窃的方法和系统，其可以经由网关从包括在监视目标中的移动设备接收所述无线局域网 通过使用移动设备信息为监控目标生成的监控目标，移动设备信息由a收集; 移动设备的传感器以及在移动设备和固定设备之间传送的信号信息可以通过比较监视目标信息和许可标准来确定是否存在丢失或盗窃，并且可以提供警报信息，包括位置信息的位置信息 当提供丢失或盗窃时的监视目标。

    MEDIA ACCESS METHOD PERFORMED BY READER IN DENSE READER ENVIRONMENT
    37.
    发明申请
    MEDIA ACCESS METHOD PERFORMED BY READER IN DENSE READER ENVIRONMENT 审中-公开
    读写器在读写器环境中执行的媒体访问方法

    公开(公告)号：US20090109929A1

    公开(公告)日：2009-04-30

    申请号：US12190990

    申请日：2008-08-13

    Applicant: Cheng Hao QUAN ,  Hee Sook MO ,  Donghan LEE ,  Ji Hoon BAE ,  Gil Young CHOI ,  Cheol Sig PYO ,  Jong Suk CHAE

    Inventor： Cheng Hao QUAN ,  Hee Sook MO ,  Donghan LEE ,  Ji Hoon BAE ,  Gil Young CHOI ,  Cheol Sig PYO ,  Jong Suk CHAE

    IPC: H04Q7/36

    CPC classification number: G06K7/0008 ,  G06K7/10039 ,  G06K7/10356

    Abstract: Provided are a media access method and a reader for performing the media access method in a dense reader environment. The media access method divides an air time between the reader and a tag into a plurality of time slots, and operates in each of the plurality of time slots by using a listen before talking (LBT) technique. The plurality of time slots form a frame. Thus, the media access method can control the reader by performing channel scheduling between each of a plurality of readers and can efficiently recognize tags.

    Abstract translation: 提供了一种在密集读取器环境中执行媒体访问方法的媒体访问方法和阅读器。 媒体接入方法将读取器和标签之间的空闲时间分成多个时隙，并且通过使用听话（LBT）技术在多个时隙中的每一个中进行操作。 多个时隙形成一帧。 因此，媒体接入方法可以通过在多个读取器中的每一个之间执行频道调度来控制读取器，并且可以有效地识别标签。

    METHOD AND SYSTEM OF RECEIVING TAG SIGNAL FROM RFID READER
    39.
    发明申请
    METHOD AND SYSTEM OF RECEIVING TAG SIGNAL FROM RFID READER 审中-公开
    从RFID读取器接收标签信号的方法和系统

    公开(公告)号：US20090086869A1

    公开(公告)日：2009-04-02

    申请号：US12163339

    申请日：2008-06-27

    Applicant: Ji-Hoon Bae ,  Hee Sook Mo ,  Donghan Lee ,  ChengHao Quan ,  Gil Young Choi ,  Cheol Sig Pyo

    Inventor： Ji-Hoon Bae ,  Hee Sook Mo ,  Donghan Lee ,  ChengHao Quan ,  Gil Young Choi ,  Cheol Sig Pyo

    IPC: H04L7/02

    CPC classification number: G06K7/0008 ,  G06K7/10297

    Abstract: Disclosed are a method and system for receiving a tag signal in a Radio Frequency Identification (RFID) reader. The method includes generating an edge signal using a tag signal received from an RFID tag; extracting edge information from the generated edge signal, and generating an edge clock corresponding to the extracted edge information; and determining bit data with respect to the tag signal using the generated edge clock.

    Abstract translation: 公开了一种用于在射频识别（RFID）读取器中接收标签信号的方法和系统。 该方法包括使用从RFID标签接收的标签信号产生边缘信号; 从生成的边缘信号中提取边缘信息，以及生成与所提取的边缘信息相对应的边缘时钟; 以及使用所生成的边缘时钟来确定关于所述标签信号的比特数据。

    PIFA and RFID tag using the same
    40.
    发明授权
    PIFA and RFID tag using the same 有权
    PIFA和RFID标签使用相同

    公开(公告)号：US07504998B2

    公开(公告)日：2009-03-17

    申请号：US11297687

    申请日：2005-12-07

    Applicant: Won-Kyu Choi ,  Hae-Won Son ,  Je-Hoon Yun ,  Ji-Hoon Bae ,  Cheol-Sig Pyo ,  Jong-Suk Chae

    Inventor： Won-Kyu Choi ,  Hae-Won Son ,  Je-Hoon Yun ,  Ji-Hoon Bae ,  Cheol-Sig Pyo ,  Jong-Suk Chae

    IPC: H01Q1/38

    CPC classification number: H01Q1/2225 ,  H01Q1/22 ,  H01Q9/0421 ,  H01Q9/045

    Abstract: Provided is a planar inverted-F antenna (PIFA) which has a Co-Planar Waveguide (CPW) feeding structure and can be attached to a metal surface, and an RFID tag using the same. The PIFA includes a radiation patch layer; a Co-Planar Waveguide (CPW) feeding layer; a feeding probe; and a short-circuit. The CPW feeding layer includes a feeding means and a ground surface. The feeding probe electrically connects the radiation patch layer and the feeding means and provides a Radio Frequency (RF) signal to be radiated to the radiation patch layer. The short-circuiting means short-circuits the radiation patch layer and the ground surface through the dielectric layer. The PIFA can be applied to a passive RFID tag. Impedance matching between the antenna and the RFID chip is possible. Also, the PIFA can easily control resonant frequency of the antenna and reactance.

    Abstract translation: 提供了具有共平面波导（CPW）馈送结构并且可以附着到金属表面的平面倒F天线（PIFA）和使用其的RFID标签。 PIFA包括辐射贴片层; 共平面波导（CPW）馈电层; 喂食探针; 和短路。 CPW馈送层包括馈送装置和接地表面。 馈送探针将辐射贴片层和馈送装置电连接并提供要辐射到辐射贴片层的射频（RF）信号。 短路装置通过介电层使辐射贴片层和地表面短路。 PIFA可应用于无源RFID标签。 天线和RFID芯片之间的阻抗匹配是可能的。 此外，PIFA可以轻松控制天线的谐振频率和电抗。

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