公开(公告)号：US20080140810A1

公开(公告)日：2008-06-12

申请号：US11947547

申请日：2007-11-29

Applicant: Yong Sun KIM ,  Kyeongpyo Kim ,  Jin Kyeong Kim ,  Nae Soo Kim ,  Cheol Sig Pyo

Inventor： Yong Sun KIM ,  Kyeongpyo Kim ,  Jin Kyeong Kim ,  Nae Soo Kim ,  Cheol Sig Pyo

IPC: G06F15/16

CPC classification number: H04L67/12 ,  H04L67/2842

Abstract: Provided is a method and system for hierarchically communicating information between a user and an information providing server that provides information requested by the user. The system includes at least one sensor node, upon receipt of an information request message sent by the user through a terminal, searching for information corresponding to the information request message in a first cache mounted therein and sending the information request message if the corresponding information is not found in the first cache, and a cache server, upon receipt of the information request message from the at least one sensor node, searching for the information corresponding to the information request message in a second cache mounted therein, sending the information request message to the information providing server if the corresponding information is not found in the second cache, receiving the corresponding information, transmitting the received information to the sensor node, and updating the second cache.

Abstract translation: 提供了一种用于在用户和提供用户请求的信息的信息提供服务器之间分层传送信息的方法和系统。 该系统包括至少一个传感器节点，当接收到用户通过终端发送的信息请求消息时，在安装在其中的第一高速缓存中搜索对应于该信息请求消息的信息，并且如果相应的信息是 在第一高速缓存中没有找到缓存服务器;以及缓存服务器，在从所述至少一个传感器节点接收到所述信息请求消息时，在安装在其中的第二高速缓存器中搜索对应于所述信息请求消息的信息，将所述信息请求消息发送到 信息提供服务器，如果在第二高速缓存中没有找到对应的信息，则接收对应的信息，将所接收的信息发送到传感器节点，并更新第二高速缓存。

公开(公告)号：US20080136600A1

公开(公告)日：2008-06-12

申请号：US11931547

申请日：2007-10-31

Applicant: Junho YEO ,  Josef Preishuber-Pfluegl ,  Alex JANEK ,  Andreas SCHUHAI ,  Hae-Won SON ,  Jae-Young JUNG ,  Hee-Sook MO ,  Ji-Hoon BAE ,  Gil-Young CHOI ,  Cheol-Sig PYO ,  Jong-Suk CHAE

Inventor： Junho YEO ,  Josef Preishuber-Pfluegl ,  Alex JANEK ,  Andreas SCHUHAI ,  Hae-Won SON ,  Jae-Young JUNG ,  Hee-Sook MO ,  Ji-Hoon BAE ,  Gil-Young CHOI ,  Cheol-Sig PYO ,  Jong-Suk CHAE

IPC: H04Q5/22

CPC classification number: G06K19/073 ,  G06K19/0701 ,  G06K19/0717 ,  G06K19/0723

Abstract: An apparatus for storing sensing data in a tag and a method thereof are provided. According to the present invention, data measured by the sensor is stored in volatile memory and important data from among the data stored in the volatile memory is stored in non-volatile memory according to a pre-set data loss prevention mechanism so that a battery and the tag including the battery have a longer life and stability of data can be secured.

Abstract translation: 提供一种用于将感测数据存储在标签中的装置及其方法。 根据本发明，由传感器测量的数据存储在易失性存储器中，并且根据预设的数据丢失防止机制将存储在易失性存储器中的数据中的重要数据存储在非易失性存储器中，使得电池和 包括电池的标签具有更长的寿命并且可以确保数据的稳定性。

公开(公告)号：US20080130565A1

公开(公告)日：2008-06-05

申请号：US11932942

申请日：2007-10-31

Applicant: Wun-Cheol Jeong ,  Jong-Moon Chung ,  Hyung-Weon Cho ,  Ki-Yong Jin ,  Nae-Soo Kim ,  Cheol-Sig Pyo

Inventor： Wun-Cheol Jeong ,  Jong-Moon Chung ,  Hyung-Weon Cho ,  Ki-Yong Jin ,  Nae-Soo Kim ,  Cheol-Sig Pyo

IPC: H04Q7/00

CPC classification number: H04W74/0816 ,  H04W72/0446 ,  H04W74/004 ,  H04W74/006 ,  H04W84/18 ,  Y02D70/166 ,  Y02D70/22

Abstract: Provided is a recording medium for storing a structure of a frame for performing Medium Access Control (MAC) and allocating resources in a multi-hop wireless Ad hoc network, and a method of performing Medium Access Control (MAC) and allocating resources in a multi-hop wireless Ad Hoc network. The method includes performing initialization of communication by receiving or transmitting a Request-To-Send (RTS) message and a Clear-To-Send (CTS) message from or to a node that is to be communicated with in the multi-hop wireless Ad hoc network; constructing a frame comprising at least one slot comprising an initialization field for performing the initialization of communication, a high level link region for communication between Full Function Device (FFD) nodes in the multi-hop wireless Ad hoc network which exist within a one-hop distance in the multi-hop wireless Ad hoc network, and a low level link region for communication between Reduced Function Device (RFD) nodes in the multi-hop wireless Ad hoc network which exist within a one-hop distance from the reference FFD node; allocating the resources to the frame on the basis of data types, priorities, and estimated interference values; and performing communication between nodes in the multi-hop wireless Ad hoc network within the length of the frame, and then returning to the operation of performing initialization of communication. Therefore, by effectively executing MAC and allocating resources according to a variety of data requests, it is possible to improve the reliability and Quality of Service (QoS) of the multi-hop wireless Ad hoc network and reduce power consumption.

Abstract translation: 提供了一种用于存储用于执行介质访问控制（MAC）并且在多跳无线Ad hoc网络中分配资源的帧的结构的记录介质，以及执行介质访问控制（MAC）并且分配多个 -hop无线Ad Hoc网络。 该方法包括通过从多跳无线广播中要与之通信的节点接收或发送请求发送（RTS）消息和清除发送（CTS）消息来执行通信的初始化 hoc网络 构建包括至少一个时隙的帧，包括用于执行通信的初始化的初始化字段，用于在一跳内存在的多跳无线Ad hoc网络中的全功能设备（FFD）节点之间进行通信的高级链路区域 多跳无线Ad hoc网络中的距离，以及用于在多跳无线Ad hoc网络中的减少功能设备（RFD）节点之间进行通信的低级链路区域，其存在于距参考FFD节点的一跳距离内; 基于数据类型，优先级和估计的干扰值将资源分配给帧; 并且在该帧的长度内执行多跳无线Ad hoc网络中的节点之间的通信，然后返回到进行通信的初始化的操作。 因此，通过有效地执行MAC并根据各种数据请求分配资源，可以提高多跳无线Ad hoc网络的可靠性和服务质量（QoS），并降低功耗。

公开(公告)号：US20080080441A1

公开(公告)日：2008-04-03

申请号：US11851370

申请日：2007-09-06

Applicant: Jong-Jun Park ,  Jong-Oh Lee ,  Sun-Joong Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

Inventor： Jong-Jun Park ,  Jong-Oh Lee ,  Sun-Joong Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC: H04Q7/24

CPC classification number: H04W64/00 ,  H04W84/18

Abstract: Provided are a localization apparatus for recognizing a location of a node in a sensor network and a method thereof. The method includes the steps of: a) selecting reference nodes from a plurality of anchor nodes to be used for triangulation; and b) obtaining location information of a target node by performing triangulation using the selected reference node, wherein in the step a), the reference nodes are selected by removing anchor nodes having obstacle factor from a plurality of the anchor nodes where the obstacle factor causes error in a distance measured by the target node.

Abstract translation: 提供一种用于识别传感器网络中的节点的位置的定位装置及其方法。 该方法包括以下步骤：a）从多个锚节点中选择用于三角测量的参考节点; 以及b）通过使用所选择的参考节点进行三角测量来获得目标节点的位置信息，其中在步骤a）中，通过从多个锚点节点中去除具有障碍因子的锚节点来选择参考节点，其中障碍因素导致 由目标节点测量的距离误差。

公开(公告)号：US20080069008A1

公开(公告)日：2008-03-20

申请号：US11759450

申请日：2007-06-07

Applicant: Jongjun PARK ,  Jong Oh LEE ,  Sun Joong KIM ,  Cheol Sig PYO ,  Jong Suk CHAE

Inventor： Jongjun PARK ,  Jong Oh LEE ,  Sun Joong KIM ,  Cheol Sig PYO ,  Jong Suk CHAE

IPC: H04L12/28

CPC classification number: H04W64/00 ,  H04W4/08 ,  H04W48/16 ,  H04W84/18

Abstract: A node for self localization, a clustering method using the same, and a localization method are provided. The node, which is located in a specific space so as to constitute a sensor network, includes a location information messaging unit which receives one or more location information messages including information on spatial locations of one or more neighboring nodes in the sensor network from the neighboring nodes in the sensor network; a distance calculator which calculates a first distance to the neighboring node on the basis of the location information included in the received location information messages and calculates a second distance to one or more neighboring nodes on the basis of the received time or intensity of the message on the location information; and a clustering unit which forms clusters of the node and a plurality of neighboring nodes in which the difference between the first and second distances is less than a predetermined threshold.

Abstract translation: 提供了一种用于自定位的节点，使用该节点的聚类方法和定位方法。 位于特定空间中以构成传感器网络的节点包括位置信息消息单元，其接收一个或多个位置信息消息，其包括关于传感器网络中的一个或多个相邻节点的空间位置的信息 传感器网络中的节点; 距离计算器，其基于包括在接收的位置信息消息中的位置信息计算到相邻节点的第一距离，并基于所接收的消息的时间或强度计算到一个或多个相邻节点的第二距离 位置信息; 以及聚集单元，其形成所述节点的簇和多个相邻节点，其中所述第一和第二距离之间的差小于预定阈值。

公开(公告)号：US20070120679A1

公开(公告)日：2007-05-31

申请号：US11600605

申请日：2006-11-16

Applicant: Chan-Soo Shin ,  Hae-Won Son ,  Won-Kyu Choi ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

Inventor： Chan-Soo Shin ,  Hae-Won Son ,  Won-Kyu Choi ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC: G08B13/14 ,  H05K11/00

CPC classification number: G06K7/0008

Abstract: Provided are a method and apparatus for sharing a portable terminal in a Code Division Multiple Access (CDMA) and a mobile Radio Frequency Identification (RFID) system. The portable terminal includes: a CDMA mobile station system for performing CDMA communication; a mobile RFID system for performing a passive RFID reader function; a switching unit for switching an antenna to any one between the CDMA mobile station system and the mobile RFID system; and a control unit for controlling the switching unit to connect the antenna to the CDMA mobile station system when the portable terminal transmits/receives a signal to/from the base station, or connect the antenna to the mobile RFID system when the portable terminal transmits/receives a signal to/from an RFID tag.

Abstract translation: 提供了一种用于在码分多址（CDMA）和移动射频识别（RFID）系统中共享便携式终端的方法和装置。 便携式终端包括：用于执行CDMA通信的CDMA移动站系统; 用于执行无源RFID读取器功能的移动RFID系统; 用于将天线切换到CDMA移动站系统和移动RFID系统之间的任何一个的切换单元; 以及控制单元，用于当便携式终端向/从基站发送/接收信号时控制切换单元将天线连接到CDMA移动站系统，或者当便携式终端发送/接收来自基站的天线时将天线连接到移动RFID系统， 从RFID标签接收信号。

公开(公告)号：US20070080879A1

公开(公告)日：2007-04-12

申请号：US11526374

申请日：2006-09-25

Applicant: Chan-Soo Shin ,  Won-Kyu Choi ,  Hae-Won Son ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Han-Phil Rhyu ,  Sung-Jun Heo ,  Byung-Je Lee

Inventor： Chan-Soo Shin ,  Won-Kyu Choi ,  Hae-Won Son ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Han-Phil Rhyu ,  Sung-Jun Heo ,  Byung-Je Lee

IPC: H01Q11/12

CPC classification number: H01Q11/18 ,  H01Q9/36 ,  H01Q9/40

Abstract: Provided is an antenna for a Radio Frequency Identification (RFID) reader using an electrical loop. It includes an upper metal plate which functions as a radiator; a lower metal plate which is disposed apart from the upper metal plate by a predetermined distance and functions as a radiator; a ground plate disposed apart from the lower metal plate by a predetermined distance; and a feeding probe disposed at the center of the upper and lower metal plates. The antenna can perform radiation parallel to the earth's surface including other directions. Therefore, it is suitable for an RFID reader which recognizes an RFID tag attached in parallel to the earth's surface. The electrical loop antenna can control impedance matching, resonance frequency, antenna gain, and radiation pattern according to the distance between metal plates, size of the metal plates, thickness of a feeding probe, and how the metal plates are arranged.

Abstract translation: 提供了一种使用电气回路的射频识别（RFID）读取器的天线。 它包括用作散热器的上金属板; 下金属板，其与上金属板隔开预定距离设置并用作散热器; 接地板，与所述下金属板隔开预定距离; 以及设置在上下金属板的中心的供给探针。 天线可以执行与地球表面平行的辐射，包括其他方向。 因此，它适用于识别与地球表面平行附接的RFID标签的RFID读取器。 电气环路天线可以根据金属板之间的距离，金属板的尺寸，馈电探针的厚度以及金属板的布置方式，来控制阻抗匹配，谐振频率，天线增益和辐射图。

公开(公告)号：US20070069859A1

公开(公告)日：2007-03-29

申请号：US11526517

申请日：2006-09-25

Applicant: Ji-Hoon Bae ,  Hee-Sook Mo ,  Dong-Han Lee ,  Chan-Won Park ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

Inventor： Ji-Hoon Bae ,  Hee-Sook Mo ,  Dong-Han Lee ,  Chan-Won Park ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC: H04Q5/22

CPC classification number: H04B5/0062 ,  H04B17/318 ,  H04L1/0001 ,  H04L1/0025 ,  H04L1/0057 ,  H04L1/1607

Abstract: Provided are a mobile RFID reader and a control method thereof. The mobile RFID reader includes: a reader controller for beginning a reader operation to communicate with a tag in response to a command of a terminal controller of the wireless communication terminal; an anti-collision state machine for controlling collision among a plurality of tags, and transferring the result of communication with the tag to the reader controller; a reader transmitter for generating a reader command message decided at the anti-collision state machine, and coding and modulating the generated reader command message; a reader receiver for demodulating and decoding a tag signal received through an antenna, and reporting a tag response state to the anti-collision state machine; and a channel controller for selecting a channel to use to communicate with a tag in response to a command of the reader controller.

Abstract translation: 提供了一种移动RFID读取器及其控制方法。 移动RFID读取器包括：读取器控制器，用于响应于无线通信终端的终端控制器的命令开始读取器操作以与标签通信; 用于控制多个标签之间的冲突并将与标签的通信结果传送给读取器控制器的防冲突状态机; 读取器发送器，用于生成在反冲突状态机处决定的读取器命令消息，以及对生成的读取器命令消息进行编码和调制; 读取器接收器，用于对通过天线接收的标签信号进行解调和解码，并将标签响应状态报告给防冲突状态机; 以及频道控制器，用于响应于读取器控制器的命令，选择用于与标签通信的频道。

公开(公告)号：US20070046543A1

公开(公告)日：2007-03-01

申请号：US11297517

申请日：2005-12-07

Applicant: Won-Kyu Choi ,  Nak-Seon Seong ,  Cheol-Sig Pyo ,  Jong-Suk Chae

Inventor： Won-Kyu Choi ,  Nak-Seon Seong ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC: H01Q1/38

CPC classification number: H01Q9/0421 ,  H01Q1/22 ,  H01Q9/0442

Abstract: Provided are a Planar Inverted-F Antenna (PIFA), a Radio Frequency Identification (RFID) tag using the PIFA. The present invention miniaturizes the antenna by using a meander line extended from a radiating edge of a radiation antenna and adjusting a resonant frequency of the antenna, and it performs impedance matching by adjusting capacitive reactance of the antenna. Also, it can perform impedance matching by using a stub having a slot formed therein and adjusting inductive reactance and capacitive reactance of the antenna. The present invention miniaturizes the antenna by using a plurality of shorting plates for shorting the radiation patch from a grounding surface and adjusting the resonant frequency of the antenna. The present invention also provides an inexpensive PIFA antenna with an excellent radiation efficiency by forming the radiation patch in the form of metal sheet in the antenna and floating the radiation patch in the air.

Abstract translation: 提供了使用PIFA的平面倒F天线（PIFA），射频识别（RFID）标签。 本发明通过使用从辐射天线的辐射边缘延伸的曲折线并调整天线的谐振频率来使天线小型化，并且通过调整天线的电容性电抗来执行阻抗匹配。 此外，它可以通过使用其中形成有槽的短截线来进行阻抗匹配，并且调整天线的感抗和电抗。 本发明通过使用多个短路板来使天线小型化，从而使接地面短路放电片并调节天线的谐振频率。 本发明还通过在天线中形成金属片形式的辐射贴片并且将辐射贴片浮在空中来提供具有优异辐射效率的便宜的PIFA天线。

公开(公告)号：US20070023525A1

公开(公告)日：2007-02-01

申请号：US11494260

申请日：2006-07-27

Applicant: Hae-Won Son ,  Won-Kyu Choi ,  Gil-Young Choi ,  Cheol-Sig Pyo

Inventor： Hae-Won Son ,  Won-Kyu Choi ,  Gil-Young Choi ,  Cheol-Sig Pyo

IPC: G06K7/10

CPC classification number: H01Q1/36 ,  H01Q1/2225 ,  H01Q1/38

Abstract: An open-ended two-strip meander line antenna, an RFID tag using the same and an antenna impedance matching method thereof are provided. The antenna includes: a radiating strip line for deciding a resonant frequency of the antenna; and a feeding strip line for providing a radio frequency (RF) signal to an element connected to the antenna, wherein ends of the radiating strip line and the feeding strip line are open.

Abstract translation: 提供了一种开放式双带曲折线天线，使用该天线的RFID标签和天线阻抗匹配方法。 天线包括：用于确定天线的谐振频率的辐射带线; 以及用于向连接到天线的元件提供射频（RF）信号的馈送带状线，其中辐射带状线和馈电带状线的端部是开放的。