公开(公告)号：US20070069852A1

公开(公告)日：2007-03-29

申请号：US11525393

申请日：2006-09-22

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

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

IPC分类号： G05B19/00

CPC分类号： H04L9/3271 ,  H04L9/3226 ,  H04L9/3236 ,  H04L2209/805

摘要： Provided is a method for securing information between a Radio Frequency Identification (RFID) reader and tag, and an RFID Reader and tag using the same. The method includes the steps of: a) requesting an access password of the RFID tag in the RFID reader; b) extracting a key value mapped to the access password transmitted from the RFID tag and transmitting the key value to the RFID tag in the RFID reader; c) outputting a hash function value from the key value transmitted from the RFID reader in the RFID tag; and d) determining whether to allow the RFID reader to access to an RFID tag memory based on whether the outputted hash function value is the same as the access password of the RFID tag.

摘要翻译： 提供了一种用于确保射频识别（RFID）读取器和标签之间的信息以及使用其的RFID读取器和标签的方法。 该方法包括以下步骤：a）请求RFID读取器中RFID标签的访问密码; b）提取映射到从RFID标签发送的访问密码的密钥值，并将该密钥值发送到RFID读取器中的RFID标签; c）从RFID标签中从RFID读取器发送的键值输出散列函数值; 以及d）基于输出的散列函数值是否与RFID标签的访问密码相同，确定是否允许RFID读取器访问RFID标签存储器。

公开(公告)号：US08254342B2

公开(公告)日：2012-08-28

申请号：US12517556

申请日：2007-10-24

申请人： Hoon Jeong ,  Jong-Oh Lee ,  Jong-Young Lee ,  Sun-Joong Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Hoon Jeong ,  Jong-Oh Lee ,  Jong-Young Lee ,  Sun-Joong Kim ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： H04J3/00

CPC分类号： H04W72/1278 ,  H04L45/04 ,  H04W40/00 ,  H04W48/16 ,  H04W72/12 ,  H04W84/18

摘要： Provided is a method for determining superframe to efficiently perform beacon scheduling by allocating superframe lengths which are different according to a routing depth of sensor nodes in a ZigBee based wireless sensor network. The method for determining a superframe for beacon scheduling, includes the steps of: receiving a beacon from a neighboring node and grasping information on a superframe used by the neighboring nodes; and determining a transmission time and a length of own superframe based on superframe information of the grasped neighboring node.

摘要翻译： 提供了一种通过分配根据基于ZigBee的无线传感器网络中的传感器节点的路由深度而不同的超帧长度来确定超帧以有效地执行信标调度的方法。 用于确定信标调度的超帧的方法包括以下步骤：从相邻节点接收信标并且掌握由相邻节点使用的超帧的信息; 并且基于所掌握的相邻节点的超帧信息来确定自身超帧的传输时间和长度。

公开(公告)号：US08040280B2

公开(公告)日：2011-10-18

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： G01S5/04

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：US20110131320A1

公开(公告)日：2011-06-02

申请号：US12808432

申请日：2008-11-17

申请人： Sang-Gi Hong ,  Sang-Joon Park ,  Cheol-Sig Pyo ,  Jong-Suk Chae

发明人： Sang-Gi Hong ,  Sang-Joon Park ,  Cheol-Sig Pyo ,  Jong-Suk Chae

IPC分类号： G06F15/173

CPC分类号： H04W92/02 ,  H04W84/14

摘要： Provided is an apparatus and method of dynamically managing a sensor module on a sensor node in a wireless sensor network. The apparatus includes an update unit, a request unit, and a transmission unit. If a change occurs in sensor data corresponding to each sensor node stored in a sensor information storage server, the update unit receives the sensor data from the sensor information storage server, and transmits the received sensor data to the corresponding sensor node. The request unit requests the sensor data from the sensor information storage server upon receipt of a sensor data request message from the sensor node. The transmission unit receives the requested sensor data from the sensor information storage server and transmits the received sensor data to the sensor node.

摘要翻译： 提供了一种在无线传感器网络中的传感器节点上动态地管理传感器模块的装置和方法。 该装置包括更新单元，请求单元和传输单元。 如果在与传感器信息存储服务器中存储的每个传感器节点相对应的传感器数据中发生改变，则更新单元从传感器信息存储服务器接收传感器数据，并将接收到的传感器数据发送到相应的传感器节点。 当从传感器节点接收到传感器数据请求消息时，请求单元从传感器信息存储服务器请求传感器数据。 发送单元从传感器信息存储服务器接收所请求的传感器数据，并将接收到的传感器数据发送到传感器节点。

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：US20080130565A1

公开(公告)日：2008-06-05

申请号：US11932942

申请日：2007-10-31

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

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

IPC分类号： H04Q7/00

CPC分类号： H04W74/0816 ,  H04W72/0446 ,  H04W74/004 ,  H04W74/006 ,  H04W84/18 ,  Y02D70/166 ,  Y02D70/22

摘要： 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.

摘要翻译： 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

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

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

IPC分类号： H04Q7/24

CPC分类号： H04W64/00 ,  H04W84/18

摘要： 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.

摘要翻译： 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：US08824345B2

公开(公告)日：2014-09-02

申请号：US12808542

申请日：2008-10-24

申请人： Ji-Eun Kim ,  Ho-Yong Kang ,  Nae-Soo Kim ,  Cheol-Sig Pyo

发明人： Ji-Eun Kim ,  Ho-Yong Kang ,  Nae-Soo Kim ,  Cheol-Sig Pyo

IPC分类号： G08C17/00 ,  H04W52/02

CPC分类号： H04W52/0235

摘要： Provided are a wake-up apparatus and wake-up method for a low power sensor node, and more particularly, to a wake-up apparatus and wake-up method for a low power sensor node, which can extend the battery life of the sensor node and minimize the amount of power consumed by an entire sensor network power by minimizing unnecessary power consumption of the sensor node. The wake-up apparatus for a low power sensor node includes: a wake-up signal detector receiving and detecting a wake-up signal of a sensor node; a wake-up radio frequency (RF) circuit unit filtering and amplifying the wake-up signal; and a wake-up baseband transducer detecting a wake-up address from the wake-up signal and comparing and verifying the wake-up address with a wake-up address that is provided from a server managing the sensor node. The wake-up apparatus outputs an interrupt signal for transmitting a sensing event of the sensor node or outputs a wake-up address of another sensor node in an area where the interrupt signal is to be sensed if errors are not detected when the wake-up address is verified.

摘要翻译： 提供了用于低功率传感器节点的唤醒装置和唤醒方法，更具体地，涉及用于低功率传感器节点的唤醒装置和唤醒方法，其可以延长传感器的电池寿命 节点，并通过最小化传感器节点的不必要的功耗来最小化整个传感器网络功率消耗的功率量。 用于低功率传感器节点的唤醒装置包括：唤醒信号检测器，其接收并检测传感器节点的唤醒信号; 唤醒射频（RF）电路单元对唤醒信号进行滤波和放大; 以及唤醒基带传感器，从唤醒信号检测唤醒地址，并用从管理传感器节点的服务器提供的唤醒地址来比较和验证唤醒地址。 唤醒装置输出用于发送传感器节点的感测事件的中断信号，或者在唤醒时未检测到错误的情况下，在要检测中断信号的区域中输出另一个传感器节点的唤醒地址 地址已验证。

公开(公告)号：US08026850B2

公开(公告)日：2011-09-27

申请号：US12096777

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： G01S1/24

CPC分类号： G01S5/06 ,  G01S5/14 ,  H04W64/00

摘要： Provided is an apparatus and method for computing the location of a radio beacon by using Time Difference Of Arrival (TDOA) and multiple frequencies. The apparatus and method of the present invention compute the location of a radio beacon without limitation in distance by using multiple frequencies and time difference of arrival 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 arrival time; and a location computing server configured to receive the phase differences and the arrival time outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the arrival time, and compute the location of the radio beacon.

摘要翻译： 提供了一种通过使用到达时差（TDOA）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到达时间差来计算无线电信标的位置，而不限于距离，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，并且检测和输出相位差和到达时间; 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到达时间，基于相位差获取计算距离，基于到达时间从计算距离中消除相位模糊度，并且计算 无线电信标。

公开(公告)号：US07991871B2

公开(公告)日：2011-08-02

申请号：US12096554

申请日：2006-05-30

申请人： Myung-Hee Son ,  Yong-Joon Lee ,  Cheol-Sig Pyo

发明人： Myung-Hee Son ,  Yong-Joon Lee ,  Cheol-Sig Pyo

IPC分类号： G06F15/173 ,  G06F15/177

CPC分类号： G06F17/30876 ,  G06Q10/08

摘要： Provided are a RFID tag and a method for providing a RFID service using the same. The RFID tag includes: a code type data denoting a code type of the RFID tag; and a content server IP address code denoting an IP address of a content server that provides content related to an item with the RFID tag attached.

摘要翻译： 提供了RFID标签和使用其的RFID服务的提供方法。 RFID标签包括：表示RFID标签的代码类型的代码类型数据; 以及表示内容服务器的IP地址的内容服务器IP地址代码，其提供与附加有RFID标签的项目相关的内容。