公开(公告)号：US20110102151A1

公开(公告)日：2011-05-05

申请号：US12833454

申请日：2010-07-09

申请人： Dong-Beom Shin ,  Jae-young Jung ,  Sang Yeoun Lee ,  Gil Young Choi ,  Heyung Sub Lee ,  Jong-Suk Chae

发明人： Dong-Beom Shin ,  Jae-young Jung ,  Sang Yeoun Lee ,  Gil Young Choi ,  Heyung Sub Lee ,  Jong-Suk Chae

IPC分类号： H04Q5/22

CPC分类号： G06K7/0008 ,  H04Q2213/13095

摘要： Provided are an RFID reader and a method for controlling a gain thereof. The RFID reader includes an amplifier and an AGC circuit. The amplifier controls the gain of an RX signal, received from an RFID tag, in response to an AGC signal. The AGC circuit measures a signal level in an ante-preamble period of the RX signal and generates an AGC signal to control the gain of the RX signal, on the basis of the measured signal level.

摘要翻译： 提供RFID读取器和用于控制其增益的方法。 RFID读取器包括放大器和AGC电路。 放大器响应于AGC信号控制从RFID标签接收的RX信号的增益。 AGC电路测量RX信号的前同步码周期中的信号电平，并且基于测量的信号电平产生AGC信号以控制RX信号的增益。

公开(公告)号：US20110037568A1

公开(公告)日：2011-02-17

申请号：US12989274

申请日：2009-04-22

申请人： Hyunseok Kim ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Dong-Beom Shin ,  Su Na Choi ,  Nak Seon Seong ,  Cheol Sig Pyo ,  Jong-Suk Chae ,  Preishuber-Pfluegl Di Josef ,  Janek Di Alex ,  Tschische Di David

发明人： Hyunseok Kim ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Dong-Beom Shin ,  Su Na Choi ,  Nak Seon Seong ,  Cheol Sig Pyo ,  Jong-Suk Chae ,  Preishuber-Pfluegl Di Josef ,  Janek Di Alex ,  Tschische Di David

IPC分类号： G06K7/01

CPC分类号： G06K7/0008 ,  G06K19/0717 ,  G06K19/07749

摘要： Disclosed are an RFID reader, an RFID tag, and a controlling method thereof. The RFID tag may include a state information generator to generate state information of the RFID tag, a receiver to receive an activation command including reference state information of the RFID tag, and a controller to activate the RFID tag based on the state information and the reference state information. The RFID tag may be selectively activated according to an inner state of the RFID tag.

摘要翻译： 公开了RFID读取器，RFID标签及其控制方法。 RFID标签可以包括：状态信息发生器，用于生成RFID标签的状态信息;接收器，接收包括RFID标签的参考状态信息的激活命令;以及控制器，用于基于状态信息和参考信号激活RFID标签 状态信息。 可以根据RFID标签的内部状态选择性地激活RFID标签。

公开(公告)号：US20100272092A1

公开(公告)日：2010-10-28

申请号：US12745747

申请日：2008-07-09

申请人： Hoon Jeong ,  Jong-Oh Lee ,  Bong-Soo Kim ,  Jong-Suk Chae

发明人： Hoon Jeong ,  Jong-Oh Lee ,  Bong-Soo Kim ,  Jong-Suk Chae

IPC分类号： H04W72/04

CPC分类号： H04W72/005 ,  H04W52/0216 ,  H04W52/0219 ,  H04W72/1268 ,  H04W72/1289 ,  H04W84/18 ,  Y02D70/00 ,  Y02D70/144 ,  Y02D70/166

摘要： Provided are an apparatus and method for broadcasting data, and an apparatus and method for broadcasting response data, of a sensor node in a beacon mode in a wireless sensor network system including a plurality of nodes. According to the apparatus and method for broadcasting data, an admission application message requesting an admission of a sensor node is transmitted to the wireless sensor network system, in which time-division time slots are assigned to each of the nodes of the wireless sensor network system, wherein, in the time-division time slot, the reception function of the node is activated and sensing data is transmitted; a beacon frame is received, which includes information that indicates a broadcasting time slot among the time-division time slots, wherein, in the broadcasting time slot, the reception function of each of the nodes of the wireless sensor network system having received the admission application message, is activated at the same time; and broadcasting data is transmitted during the broadcasting time slot. Accordingly, broadcasting data can be efficiently transmitted in a beacon mode of the wireless sensor network system.

摘要翻译： 提供了一种用于在包括多个节点的无线传感器网络系统中以信标模式广播数据的装置和方法以及用于广播响应数据的装置和方法。 根据用于广播数据的装置和方法，向无线传感器网络系统发送请求许可传感器节点的准入申请消息，其中分配时隙被分配给无线传感器网络系统的每个节点 其中，在时分时隙中，节点的接收功能被激活并且发送感测数据; 接收到信标帧，其包括指示时分时隙之间的广播时隙的信息，其中在广播时隙中，已经接收到准入应用的无线传感器网络系统的每个节点的接收功能 消息，同时激活; 并且在广播时隙期间发送广播数据。 因此，能够以无线传感器网络系统的信标模式有效地发送广播数据。

公开(公告)号：US20100090809A1

公开(公告)日：2010-04-15

申请号：US12530780

申请日：2008-01-21

申请人： Junho Yeo ,  Preishuber-Pfluegl Josef ,  Janek Alex ,  Schuhai Andreas ,  Hae-Won Son ,  Jae-Young Jung ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Junho Yeo ,  Preishuber-Pfluegl Josef ,  Janek Alex ,  Schuhai Andreas ,  Hae-Won Son ,  Jae-Young Jung ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G06K7/01

CPC分类号： H04Q9/00 ,  G06K19/0717 ,  G06K19/07749 ,  H04Q2209/47 ,  H04Q2209/75 ,  H04Q2209/823

摘要： Provided are a method and apparatus for transmitting a sensor status of a radio frequency identification (RFID) tag. The method and apparatus transmit an RFID tag identifier (ID) together with sensor data or sensor status information to an RFID reader, thereby enabling the RFID reader to receive the sensor status information about the RFID tag without additionally communicating with the RFID tag.

摘要翻译： 提供了一种用于发送射频识别（RFID）标签的传感器状态的方法和装置。 该方法和装置将RFID标签标识符（ID）与传感器数据或传感器状态信息一起发送到RFID读取器，从而使得RFID读取器能够接收关于RFID标签的传感器状态信息，而不需要额外地与RFID标签通信。

公开(公告)号：US07505008B2

公开(公告)日：2009-03-17

申请号：US11526374

申请日：2006-09-25

申请人： 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

发明人： 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分类号： H01Q11/12

CPC分类号： H01Q11/18 ,  H01Q9/36 ,  H01Q9/40

摘要： 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.

摘要翻译： 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：US20080316104A1

公开(公告)日：2008-12-25

申请号：US12096780

申请日：2006-12-08

申请人： Nak-Seon Seong ,  Choon-Sik Lim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Nak-Seon Seong ,  Choon-Sik Lim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H04B7/24

CPC分类号： G01S5/10

摘要： Provided is an apparatus and method for computing the location of a radio beacon by using received signal strength (RSS) and multiple frequencies. The apparatus and method of the present invention computes the location of a radio beacon without limitation in distance by using multiple frequencies and received signal strength to resolve the problem of phase ambiguity. A radio beacon location computing system includes a plurality of base stations configured to receive signals of multiple frequencies transmitted from the radio beacon, and detect and output phase differences and received signal strength; and a location computing server configured to receive the phase differences and the received signal strength outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the received signal strength, and compute the location of the radio beacon.

摘要翻译： 提供了一种通过使用接收信号强度（RSS）和多个频率来计算无线电信标的位置的装置和方法。 本发明的装置和方法通过使用多个频率和接收信号强度来计算无线电信标的位置而不限制距离，以解决相位模糊问题。 无线电信标位置计算系统包括：多个基站，被配置为接收从无线电信标发送的多个频率的信号，并检测和输出相位差和接收信号强度; 以及位置计算服务器，被配置为接收从各个基站输出的相位差和接收信号强度，基于相位差获取计算距离，基于接收到的信号强度从计算距离中消除相位模糊度，并且计算位置 的无线电信标。

公开(公告)号：US07443906B1

公开(公告)日：2008-10-28

申请号：US09584189

申请日：2000-05-31

申请人： Seung-Chan Bang ,  Tae-Joong Kim ,  Jae-Heung Kim ,  Jung-Im Kim ,  Jong-Suk Chae ,  Hyuck-Jae Lee ,  Jae-Ryong Shim ,  Narm-Hee Lee

发明人： Seung-Chan Bang ,  Tae-Joong Kim ,  Jae-Heung Kim ,  Jung-Im Kim ,  Jong-Suk Chae ,  Hyuck-Jae Lee ,  Jae-Ryong Shim ,  Narm-Hee Lee

IPC分类号： H04B1/707

CPC分类号： H04B1/7073 ,  H04B2201/70703 ,  H04J13/0044 ,  H04J13/10 ,  H04J13/20

摘要： A method for converting source data to a channel-modulated signal having a plurality of pairs of in-phase (I) and quadrature-phase (Q) data in a mobile station, wherein the mobile station uses at least one channel, includes the steps of: a) encoding the source data to generate at least one data part and a control part; b) generating at least one spreading code to be allocated to the channel, wherein each spreading code is selected on the basis of a data rate of the data part and the control part and spreading codes are selected so that two consecutive pairs of the I and Q data are correspondent to two points located on same point or symmetrical with respect to a zero point on a phase domain; and c) spreading the control part and the data part by using the spreading code, to thereby generate the channel-modulated signal. The method is capable of improving a power efficiency of a mobile station by reducing a peak-to-average power ratio in a mobile communication system.

摘要翻译： 一种用于在移动站中将源数据转换为具有多对同相（I）和正交相位（Q）数据的信道调制信号的方法，其中移动站使用至少一个信道，包括步骤 ：a）对源数据进行编码以生成至少一个数据部分和控制部分; b）产生要分配给该信道的至少一个扩展码，其中基于数据部分和控制部分的数据速率选择每个扩展码，并且选择扩展码，使得两个连续的I和 Q数据对应于位于同一点上的两个点或相对于相位域上的零点对称的点; 以及c）通过使用扩展码扩展控制部分和数据部分，从而产生信道调制信号。 该方法能够通过降低移动通信系统中的峰均功率比来提高移动台的功率效率。

公开(公告)号：US07427955B2

公开(公告)日：2008-09-23

申请号：US11297182

申请日：2005-12-07

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

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

IPC分类号： H01Q1/38

CPC分类号： H01Q1/2216 ,  H01Q1/22 ,  H01Q9/0421 ,  H01Q21/065 ,  H01Q21/24

摘要： Provided is a dual polarization antenna realized by using four inverted F-type radiators and a Radio Frequency Identification (RFID) reader employing the dual polarization antenna. The dual polarization antenna includes a ground plate and four inverted F-type radiators set up on the ground plate. Currents of the same phase are fed to the first and second inverted F-type radiators each other. Currents of an inverted phase are fed to the third and fourth inverted F-type radiators each other. The four inverted F-type radiators form an angle of 90° with one another. The first and second inverted F-type radiators radiate electric wave of vertical polarization and the third and fourth inverted F-type radiators radiate electric wave of horizontal polarization. Since the dual polarization antenna has excellent orthogonal and isolation characteristics, the antenna can extend a transmission distance between the reader and the tag and improve a communication quality.

摘要翻译： 提供了通过使用四个反相F型辐射器实现的双极化天线和采用双极化天线的射频识别（RFID）读取器。 双极化天线包括接地板和设置在接地板上的四个倒F型散热器。 相同相位的电流彼此馈送到第一和第二倒置的F型散热器。 反相的电流相互馈送到第三和第四倒置的F型散热器。 四个倒F型散热器彼此形成90°的角度。 第一和第二倒F型辐射器辐射垂直极化电波，第三和第四反相F型辐射器辐射水平极化电波。 由于双极化天线具有优异的正交和隔离特性，所以天线可以扩展读取器和标签之间的传输距离，并提高通信质量。

公开(公告)号：US20080224870A1

公开(公告)日：2008-09-18

申请号：US12023821

申请日：2008-01-31

申请人： Junho Yeo ,  Josef Preishuber-Pfluegl ,  Alex Janek ,  Andreas Schuhai ,  Hae-Won Son ,  Jae-Young Jung ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Junho Yeo ,  Josef Preishuber-Pfluegl ,  Alex Janek ,  Andreas Schuhai ,  Hae-Won Son ,  Jae-Young Jung ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G08B13/14

CPC分类号： G06K19/0723 ,  G06K19/0701

摘要： An apparatus and method for managing power of a radio frequency identification (RFID) tag are provided. It is possible for the apparatus for managing the power of the RFID tag to effectively reduce power consumption of the RFID tag by measuring the power strength of a radio frequency (RF) signal received from an RFID reader and adjusting a level of transmission power based on the measured power strength of the signal.

摘要翻译： 提供了一种用于管理射频识别（RFID）标签的功率的装置和方法。 用于管理RFID标签的功率的装置可以通过测量从RFID读取器接收的射频（RF）信号的功率强度来有效地降低RFID标签的功耗，并且基于 测量的信号功率强度。

公开(公告)号：US20080109536A1

公开(公告)日：2008-05-08

申请号：US11929913

申请日：2007-10-30

申请人： Seung-Ki HONG ,  Yeon Choi ,  Sun-Joong Kim ,  Cheol Pyo ,  Jong-Suk Chae

发明人： Seung-Ki HONG ,  Yeon Choi ,  Sun-Joong Kim ,  Cheol Pyo ,  Jong-Suk Chae

IPC分类号： G06F15/16

CPC分类号： H04L67/1002

摘要： Provided is method of forming a cluster individually by each sensor node over a sensor network, in which each sensor node has cluster information and authority to assign cluster membership and recognizes a sensor node that is not a cluster member in a radius of the cluster in order to include the recognized sensor node in the cluster as a cluster member. The sensor node that becomes a member of the cluster wirelessly receives an application of the cluster in order to be upgraded. Thus, after initial sensor node setting, a cluster can be formed automatically and a program suitable for each cluster can be upgraded without human intervention.

摘要翻译： 提供了通过传感器网络上的每个传感器节点分别形成集群的方法，其中每个传感器节点具有集群信息和权限以分配集群成员资格并且按顺序识别集群半径中不是集群成员的传感器节点 将集群中的识别的传感器节点包括为集群成员。 成为集群成员的传感器节点无线地接收集群的应用程序以进行升级。 因此，在初始传感器节点设置之后，可以自动形成群集，并且可以在没有人为干预的情况下升级适合于每个群集的节目。