公开(公告)号：US08040828B2

公开(公告)日：2011-10-18

申请号：US12085784

申请日：2006-11-29

申请人： Yong-Sun Kim ,  Se-Han Kim ,  Woo-Yong Lee ,  Hyun Lee ,  Yoon-Mee Doh ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Yong-Sun Kim ,  Se-Han Kim ,  Woo-Yong Lee ,  Hyun Lee ,  Yoon-Mee Doh ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G08C17/00 ,  H04H20/71

CPC分类号： H04L41/00 ,  H04L12/12 ,  H04L41/12 ,  H04W52/0216 ,  H04W84/18 ,  Y02D70/00 ,  Y02D70/144 ,  Y02D70/164

摘要： Provided is a method for managing dormant nodes in a wireless sensor network. The method includes the steps of: a) acquiring and storing information on distance and location of sensor nodes registered in a corresponding cluster among at least one cluster managed by a managing node; b) selecting a dormant object node among the sensor nodes by the managing node; c) transmitting dormant information that the dormant object node should go into a dormant state for a predetermined period through a beacon message to the dormant object node and creating a dormant node management table; and d) updating a dormant time of the dormant node management table every beacon cycle by the managing node according to setup of a dormant time central managing function and notifying dormancy expiration to the corresponding dormant node.

摘要翻译： 提供了一种用于管理无线传感器网络中的休眠节点的方法。 该方法包括以下步骤：a）获取和存储关于由管理节点管理的至少一个集群中登记在对应集群中的传感器节点的距离和位置的信息; b）由所述管理节点选择所述传感器节点之间的休眠对象节点; c）通过到休眠对象节点的信标消息发送休眠对象节点进入休眠状态预定时间的休眠信息，并创建休眠节点管理表; 以及d）根据休眠时间中央管理功能的设置，通过管理节点更新每个信标周期的休眠节点管理表的休眠时间，并将休眠期间通知给相应的休眠节点。

公开(公告)号：US08005369B2

公开(公告)日：2011-08-23

申请号：US12085767

申请日：2005-12-27

申请人： Kwang-Ho Ko ,  Chang-Sub Shin ,  Hyun Lee ,  Won-Chul Choi ,  Woo-Yong Lee ,  Choon-Sik Yim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Kwang-Ho Ko ,  Chang-Sub Shin ,  Hyun Lee ,  Won-Chul Choi ,  Woo-Yong Lee ,  Choon-Sik Yim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H04B10/00

CPC分类号： H04W56/00 ,  H04B7/2693 ,  H04J3/0667

摘要： A highly precise clock synchronization apparatus in a real-time locating system (RTLS), includes an optical transmitting/receiving unit for receiving a clock information frame from a clock synchronization server, converting the received clock information frame in series-parallel, and transmitting/receiving the clock information data and the clock information; an offset estimation unit for detecting a preamble signal and a clock information signal from the series-parallel converted clock information frame, calculating a phase difference value by comparing the detected preamble signal with the detected clock information signal, and outputting an offset value based on the calculated phase difference value; and a clock synchronization unit for updating a local clock value to a time of the clock synchronization server based on the offset value and the clock information frame.

摘要翻译： 一种实时定位系统（RTLS）中的高精度时钟同步装置，包括一个用于从时钟同步服务器接收时钟信息帧的光发送/接收单元，并行地接收所接收的时钟信息帧，并发送/ 接收时钟信息数据和时钟信息; 偏移估计单元，用于从串并行转换时钟信息帧中检测前置码信号和时钟信息信号，通过将检测到的前导信号与检测到的时钟信息信号进行比较来计算相位差值，并输出基于 计算相位差值; 以及时钟同步单元，用于基于偏移值和时钟信息帧将本地时钟值更新为时钟同步服务器的时间。

公开(公告)号：US20110116414A1

公开(公告)日：2011-05-19

申请号：US12808509

申请日：2008-03-18

申请人： Eun-Ju Lee ,  Jae-Hong Ryu ,  Byeong-Cheol Choi ,  Bong-Wan Kim ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Eun-Ju Lee ,  Jae-Hong Ryu ,  Byeong-Cheol Choi ,  Bong-Wan Kim ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H04W4/00 ,  H04L12/28

CPC分类号： H04W72/08 ,  H04W24/04 ,  H04W84/18

摘要： Provided are a bridge system, a network management server, and communication methods at the bridge system and the network management server for efficient communication in a wireless sensor network (WSN). The communication method at the network management server includes communicating with bridge systems connected with a plurality of radio frequency (RF) regions within a personal area network (PAN) composed of sensor nodes using the same wireless channel, in which radio signals of the sensor nodes within the PAN reach the bridge systems, searching for a new channel to be used and an alternative bridge system which is to perform a channel change into the new channel based on information about the bridge systems upon receipt of an association failure report message from an error bridge system which is reported of an association failure from the RF region from among the bridge systems, sending a channel change request message to the found alternative bridge system, and adjusting channel information for the found alternative bridge system to the new channel and replacing information about sensor nodes connected to the found alternative bridge system with information about sensor nodes that are newly connected with the found alternative bridge system through the new channel.

摘要翻译： 提供桥接系统，网络管理服务器，桥接系统和网络管理服务器的通信方法，用于无线传感器网络（WSN）中的高效通信。 网络管理服务器的通信方法包括与使用相同无线信道的由传感器节点组成的个人区域网络（PAN）内的多个射频（RF）区域连接的桥接系统进行通信，其中传感器节点 在PAN内到达桥系统，搜索要使用的新信道和替代桥接系统，该桥接系统在从错误接收到关联故障报告消息时基于关于桥系统的信息来执行信道改变到新信道 报告了来自桥接系统中的RF区域的关联失败的桥接系统，向找到的替代桥接系统发送信道改变请求消息，以及将找到的替代网桥系统的信道信息调整到新信道，并替换关于 传感器节点连接到找到的替代桥接系统，其中包含有关传感器节点的信息 通过新渠道与找到的替代桥梁系统新连接。

公开(公告)号：US07893834B2

公开(公告)日：2011-02-22

申请号：US11607502

申请日：2006-11-29

申请人： Chan-Won Park ,  Dong-Han Lee ,  Hoe-Sung Yang ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Joo-Moon Lee ,  Gene-Hee Yoon ,  Taejeen Shin

发明人： Chan-Won Park ,  Dong-Han Lee ,  Hoe-Sung Yang ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Joo-Moon Lee ,  Gene-Hee Yoon ,  Taejeen Shin

IPC分类号： G08B13/14

CPC分类号： H04B5/02 ,  H04B5/0056 ,  H04W52/04

摘要： Provided is a power control method for a mobile Radio Frequency Identification (RFID) reader and an RFID reader using the same. The RFID reader includes: an RFID reader transmission/reception control unit for creating a message to be transmitted to an RFID tag and transmitting RFID tag information to a terminal control unit; a reader transmitting unit for encoding and modulating the created message; a power amplifier for amplifying an output signal; a reader receiving unit for demodulating and decoding the signal and transmitting the signal to the RFID reader transmission/reception control unit; and an RFID reader power control unit for controlling power, wherein when the RFID reader transmission/reception control unit receives a command for acquiring the RFID tag information, the RFID reader power control unit applies power to the power amplifier.

摘要翻译： 提供了一种用于移动射频识别（RFID）读取器和使用其的RFID读取器的功率控制方法。 RFID读取器包括：RFID读取器发送/接收控制单元，用于创建要发送到RFID标签的消息并向终端控制单元发送RFID标签信息; 用于对所创建的消息进行编码和调制的读取器发送单元; 用于放大输出信号的功率放大器; 读取器接收单元，用于解调和解码信号并将信号发送到RFID读取器发送/接收控制单元; 以及用于控制电力的RFID读取器功率控制单元，其中当RFID读取器发送/接收控制单元接收到用于获取RFID标签信息的命令时，RFID读取器功率控制单元向功率放大器施加电力。

公开(公告)号：US20100278163A1

公开(公告)日：2010-11-04

申请号：US12808330

申请日：2008-09-08

申请人： In-Hwan Lee ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Sung-Rae Cho

发明人： In-Hwan Lee ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Sung-Rae Cho

IPC分类号： H04W4/00

CPC分类号： H04L1/188 ,  H04L1/1607 ,  H04L1/1829 ,  H04L2001/0093 ,  H04L2001/0097

摘要： Provided is a method of delivering data in a wireless personal area network. One of nodes forming the wireless personal area network broadcasts data including the address and the sequence number of one node to a plurality of other nodes, and broadcasts one of the data and other data to the other nodes depending on whether the data is received from the other nodes within a predetermined time. Accordingly, all the nodes on the network can receive data reliably and simultaneously power consumption is reduced, and thus the life of the network is extended.

摘要翻译： 提供了一种在无线个人区域网络中传送数据的方法。 形成无线个人区域网络的节点之一将包括一个节点的地址和序列号的数据广播到多个其他节点，并且根据是否从该节点接收到数据而将数据和其他数据之一广播到其他节点 其他节点在预定时间内。 因此，网络上的所有节点可以可靠地接收数据，同时降低功耗，从而延长网络的使用寿命。

公开(公告)号：US20100241655A1

公开(公告)日：2010-09-23

申请号：US12741672

申请日：2008-08-12

申请人： In-Hwan Lee ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Sung-Rae Cho

发明人： In-Hwan Lee ,  Bong-Soo Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae ,  Sung-Rae Cho

IPC分类号： G06F17/30

CPC分类号： H04W28/06 ,  H04W84/18

摘要： An apparatus for and a method of transmitting sensing data of a sensor node for proactive data filtering in a wireless sensor network are provided. In the apparatus and method, a request query of sensing data and timer parameters are received, local sensing data sensed in the sensor node in response to the received request query are detected, a driving time of a timer applying the timer parameters based on the request query is set, and the local sensing data are transmitted when the local sensing data do not overlap sensing data of a neighboring sensor node within a wireless reception range of the sensor node by overhearing the sensing data of the neighboring sensor node during the set driving time of the timer. Thus, since a data transferring path is selected considering the remaining energy of the node, the energy exhaustion of the node is distributed, thereby improve the lifespan of the network.

摘要翻译： 提供了一种用于在无线传感器网络中传送用于主动数据过滤的传感器节点的感测数据的装置和方法。 在该装置和方法中，接收到对感测数据和定时器参数的请求查询，检测到响应于接收到的请求查询的传感器节点中感测到的本地感测数据，基于请求的定时器应用定时器参数的驱动时间 设置查询，并且当本地感测数据在传感器节点的无线接收范围内不重叠相邻传感器节点的感测数据时，通过在设定的行驶时间内检测邻近传感器节点的感测数据来传输本地感测数据 的定时器。 因此，由于考虑到节点的剩余能量来选择数据传输路径，所以节点的能量耗尽被分配，从而提高网络的寿命。

公开(公告)号：US07675403B2

公开(公告)日：2010-03-09

申请号：US11497749

申请日：2006-08-02

申请人： ChengHao Quan ,  Hee-Sook Mo ,  Dong-Han Lee ,  Ji-Hoon Bae ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： ChengHao Quan ,  Hee-Sook Mo ,  Dong-Han Lee ,  Ji-Hoon Bae ,  Gil-Young Choi ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H04Q5/22

CPC分类号： G06K7/0008 ,  H04W8/005 ,  H04W74/04 ,  H04W74/08

摘要： Provided is a method for estimating the number of tags in a slotted Aloha-based RFID system, which can estimate the number of tags through a new statistical average scheme using the number of slots, the measured number of empty slots, and the measured number of ID slots. The estimating method includes the steps of: a) setting the number (N) of slots, the measured number (c0) of empty slots, and the measured number (c1) of ID slots as parameters; and estimating the number (n) of the tags by substituting the set values into n=(N−1)/(c0/c1).

摘要翻译： 提供了一种用于估计基于时隙的基于Aloha的RFID系统中的标签的数量的方法，其可以使用新的统计平均方案来估计标签的数量，该方案使用时隙数，所测量的空时隙数， ID插槽。 该估计方法包括以下步骤：a）将时隙数（N），空时隙的测量次数（c0）和ID时隙的测量次数（c1）设置为参数; 并且通过将设定值代入n =（N-1）/（c0 / c1）来估计标签的数量（n）。

公开(公告)号：US07609162B2

公开(公告)日：2009-10-27

申请号：US11489642

申请日：2006-07-17

申请人： Mal-Hee Kim ,  Yong-Joon Lee ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Mal-Hee Kim ,  Yong-Joon Lee ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G08B13/14

CPC分类号： H04W8/18 ,  H04L63/0492 ,  H04L63/08 ,  H04L63/0892 ,  H04L63/102 ,  H04W4/80 ,  H04W12/06 ,  H04W12/08 ,  H04W28/18

摘要： Provided is a mobile Radio Frequency Identification (RFID) service providing apparatus and a method thereof. The apparatus, includes: a policy server for establishing a policy on level of quality of service (QoS) to be provided to each user, and a policy to be applied between nodes for security; an Authentication, Authorization and Accounting (AAA) server for performing network access authentication and authorization to each user, authorization for a mobile RFID service, security association establishment and distribution between constituent nodes based on information of the policy server; a mobile RFID agent for performing a diameter client role and a mobile RFID service agent role; and a service server for searching uniform resource locator (URL) of a server providing information related to an RFID code and providing detailed information and history information to the mobile RFID phone.

摘要翻译： 提供了一种移动射频识别（RFID）服务提供装置及其方法。 该装置包括：策略服务器，用于建立要提供给每个用户的服务质量（QoS）级别的策略;以及用于安全性的节点之间应用的策略; 基于策略服务器的信息，对每个用户执行网络访问认证和授权，移动RFID服务的授权，组织节点之间的安全关联建立和分配的认证，授权和计费（AAA）服务器; 用于执行直径客户端角色和移动RFID服务代理角色的移动RFID代理; 以及服务服务器，用于搜索提供与RFID代码有关的信息的服务器的统一资源定位符（URL），并向移动RFID电话提供详细的信息和历史信息。

公开(公告)号：US07545328B2

公开(公告)日：2009-06-09

申请号：US11297256

申请日：2005-12-07

申请人： Hae-Won Son ,  Won-Kyu Choi ,  Je-Hoon Yun ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Hae-Won Son ,  Won-Kyu Choi ,  Je-Hoon Yun ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H01Q1/38

CPC分类号： H01Q1/2225 ,  H01Q1/22 ,  H01Q1/38 ,  H01Q7/00

摘要： Provided are an antenna using an inductively coupled feeding method, a Radio Frequency Identification (RFID) tag thereof, and an antenna impedance matching method thereof. The antenna includes a resonator for determining a resonance frequency of the antenna and a feeder for providing an RF signal to an element connected to the antenna. An RFID tag includes an antenna which receives an RF signal from the RFID reader, an RF front-end which rectifies and detects the RF signal, and a signal processor which is connected to the RF front-end. Particularly, the antenna includes a resonator for determining a resonance frequency of an antenna and a feeder for providing the RF signal to the RF front-end, wherein mutual inductive coupling between the resonator and the feeder is performed.

摘要翻译： 提供了使用电感耦合馈电方法的天线，其射频识别（RFID）标签及其天线阻抗匹配方法。 天线包括用于确定天线的谐振频率的谐振器和用于向连接到天线的元件提供RF信号的馈线。 RFID标签包括从RFID读取器接收RF信号的天线，对RF信号进行整流和检测的RF前端，以及连接到RF前端的信号处理器。 特别地，天线包括用于确定天线的谐振频率的谐振器和用于将RF信号提供给RF前端的馈线，其中执行谐振器和馈线之间的互感耦合。

公开(公告)号：US07538678B2

公开(公告)日：2009-05-26

申请号：US11542479

申请日：2006-10-03

申请人： Jae-Young Jung ,  Jun-Ho Yeo ,  Hae-Won Son ,  Gil-Young Choi ,  Yoon-Mee Doh ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Jae-Young Jung ,  Jun-Ho Yeo ,  Hae-Won Son ,  Gil-Young Choi ,  Yoon-Mee Doh ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G08B13/14

CPC分类号： G06K19/0723 ,  G06F21/71 ,  G06F21/73 ,  G06F21/85 ,  G06F2221/2141 ,  G06F2221/2143 ,  G06F2221/2151 ,  G06K19/0716

摘要： Provided is a data storing apparatus and method for Radio Frequency Identification (RFID) tags with sensors. The apparatus includes: a first storing block which includes a kill password storage and an access password storage; a second storing block which includes an Electronic Product Code (EPC) storage, a protocol control storage, and an error check storage storing a Cyclic Redundancy Checking (CRC) code for detecting a transmission error; a third storing block which includes a tag identifier storage storing a tag identifier including a manufacture model and a serial number of the tag; and a fourth storing block which includes an initial sensor data storage storing initial information of the sensor, a real-time information storage, a maximum/minimum data storage storing maximum/minimum values, a sensor data storage storing sensing data actually measured through the sensor embedded in the RFID tag.

摘要翻译： 提供了一种具有传感器的射频识别（RFID）标签的数据存储装置和方法。 该装置包括：第一存储块，其包括杀死密码存储和访问密码存储; 包括电子产品代码（EPC）存储器，协议控制存储器和存储用于检测传输错误的循环冗余校验（CRC）代码的错误检查存储器的第二存储块; 第三存储块，其包括存储包括标签的制造模型和序列号的标签标识符的标签标识符存储器; 以及第四存储块，其包括存储传感器的初始信息的初始传感器数据存储器，实时信息存储器，存储最大/最小值的最大/最小数据存储器，存储通过传感器实际测量的感测数据的传感器数据存储器 嵌入RFID标签。