公开(公告)号：US20120086616A1

公开(公告)日：2012-04-12

申请号：US13269033

申请日：2011-10-07

申请人： Ju Derk PARK ,  Nae Soo KIM ,  Cheol Sig PYO ,  Dong Hwa KIM ,  Noh Bok LEE

发明人： Ju Derk PARK ,  Nae Soo KIM ,  Cheol Sig PYO ,  Dong Hwa KIM ,  Noh Bok LEE

IPC分类号： H01Q21/29

CPC分类号： H01Q21/29 ,  H01Q3/247 ,  H01Q9/16 ,  H01Q9/30

摘要： An antenna providing a plurality of radiation patterns by adjusting a vertical beamwidth and a construction method for the antenna are provided. The antenna may include an integrated circuit (IC) element unit to provide a plurality of radiation patterns, and a switching unit to selectively provide any one of the plurality of radiation patterns based on control data.

摘要翻译： 提供了通过调整垂直波束宽度来提供多个辐射图案的天线和用于天线的构造方法。 天线可以包括提供多个辐射图案的集成电路（IC）元件单元，以及基于控制数据选择性地提供多个辐射图案中的任何一个的切换单元。

公开(公告)号：US20090238296A1

公开(公告)日：2009-09-24

申请号：US12479424

申请日：2009-06-05

申请人： Kyeongpyo KIM ,  Jin Kyeong KIM ,  Woo Yong LEE ,  Yong Sun KIM ,  Nae-Soo KIM ,  Cheol Sig PYO

发明人： Kyeongpyo KIM ,  Jin Kyeong KIM ,  Woo Yong LEE ,  Yong Sun KIM ,  Nae-Soo KIM ,  Cheol Sig PYO

IPC分类号： H04K1/10 ,  H04L27/06

CPC分类号： H04W72/1252 ,  H04W74/08 ,  H04W84/12

摘要： A control apparatus for use in wireless communications includes an antenna unit having antennas, the number of the antennas being equal to a maximum allowable number of connections in a specific frequency band; and a controller for receiving a connection request signal from each terminal attempting to connect to the control apparatus via the antenna unit, and transmitting and receiving a data signal to and from each terminal connected to the control apparatus by using a multiple-input-multiple-output scheme. The controller transmit and receive the data signal to and from each terminal connected to the control apparatus by obtaining a signal value of each antenna based on a predicted channel matrix and the number and types of terminals connected to the control apparatus via the antenna and separating the data signal for each terminal from the signal value according to the multiple-input-multiple-output scheme.

摘要翻译： 用于无线通信的控制装置包括具有天线的天线单元，天线的数量等于特定频带中的最大允许连接数; 以及控制器，用于从每个终端接收尝试经由天线单元连接到控制装置的连接请求信号，并且通过使用多输入多重连接方式向连接到控制装置的每个终端发送数据信号和从每个终端接收数据信号， 输出方案。 控制器通过基于预测的信道矩阵以及通过天线连接到控制装置的终端的数量和类型获得每个天线的信号值来向连接到控制装置的每个终端发送数据信号并从每个终端接收数据信号， 根据多输入多输出方案从信号值得到每个终端的数据信号。

公开(公告)号：US20090058612A1

公开(公告)日：2009-03-05

申请号：US12039476

申请日：2008-02-28

申请人： Byunghyun CHUNG ,  Hee Sook MO ,  Nae-Soo KIM ,  Cheol Sig PYO

发明人： Byunghyun CHUNG ,  Hee Sook MO ,  Nae-Soo KIM ,  Cheol Sig PYO

IPC分类号： H04Q5/22 ,  H04Q5/00

CPC分类号： G06K7/0008 ,  G06K7/10069 ,  G06K7/10356 ,  H04Q2213/13095

摘要： Provided are a method and an apparatus for avoiding a collision between each of radio frequency identification (RFID) readers. The method and the apparatus divide the RFID readers into first RFID readers and second RFID readers according to a maximum output level, and set first frequency channels for the first RFID readers and second frequency channels for the second RFID readers, set frequency channel disposition information for each of the first RFID readers, generate a channel holding signal in each of the first frequency channels, and if a frequency channel usage request or a frequency channel return request is received from one of the first RFID readers, stop generating or generate the channel holding signal in a frequency channel related to the frequency channel usage or return request. In this manner, the collision between each of the RFID readers is avoided by preventing the second RFID readers from using the first frequency channels for the first RFID readers. Also, the method and the apparatus can efficiently manage frequency channels by controlling a ratio of the number of the first frequency channels to be used by the first RFID readers and the number of the second frequency channels to be used by the second RFID readers, according to usage frequency.

摘要翻译： 提供了一种用于避免每个射频识别（RFID）读取器之间的冲突的方法和装置。 该方法和设备根据最大输出电平将RFID阅读器划分为第一RFID阅读器和第二RFID阅读器，并为第一RFID读取器和第二个RFID读取器的第二个频道设置第一个频道，设置频道信息处理信息 每个第一RFID读取器在每个第一频道中产生频道保持信号，并且如果从第一RFID读取器之一接收到频道使用请求或频道返回请求，则停止产生或生成频道保持 在与频道使用或返回请求相关的频道中的信号。 以这种方式，通过防止第二RFID读取器对第一RFID读取器使用第一频率信道来避免每个RFID读取器之间的冲突。 此外，该方法和装置可以通过控制由第一RFID读取器使用的第一频道的数量与第二RFID读取器使用的第二频道的数量的比率来有效地管理频道，根据 到使用频率。

公开(公告)号：US20080129641A1

公开(公告)日：2008-06-05

申请号：US11782195

申请日：2007-07-24

申请人： Jong Moon LEE ,  Nae-Soo KIM ,  Cheol Sig PYO ,  Ik Guen CHOI

发明人： Jong Moon LEE ,  Nae-Soo KIM ,  Cheol Sig PYO ,  Ik Guen CHOI

IPC分类号： H01Q21/29

CPC分类号： H01Q1/2216 ,  H01Q9/0407 ,  H01Q21/245

摘要： Provided are an antenna apparatus for linearly polarized diversity antennas in a radio frequency identification (RFID) reader, and a method of controlling the antenna apparatus. The antenna apparatus includes: a plurality of linearly polarized diversity antennas disposed to have different directions to one another; a switching unit connecting the linearly polarized diversity antennas to the RFID reader; and a controller controlling the switching unit to selectively activate the linearly polarized diversity antennas.

摘要翻译： 提供了一种用于射频识别（RFID）读取器中的线性极化分集天线的天线装置和控制天线装置的方法。 天线装置包括：多个线性极化分集天线，被设置为具有彼此不同的方向; 将线性极化分集天线连接到RFID读取器的开关单元; 以及控制器，控制所述切换单元选择性地激活所述线性极化分集天线。

公开(公告)号：US20110276738A1

公开(公告)日：2011-11-10

申请号：US13097868

申请日：2011-04-29

申请人： Se Han KIM ,  Kyo Hoon SON ,  Nae Soo KIM ,  Cheol Sig PYO ,  Ho Yong KANG ,  Hoon JEONG ,  Seong Bae EUN

发明人： Se Han KIM ,  Kyo Hoon SON ,  Nae Soo KIM ,  Cheol Sig PYO ,  Ho Yong KANG ,  Hoon JEONG ,  Seong Bae EUN

IPC分类号： G06F13/00

CPC分类号： G06F13/102

摘要： Provided is a general-purpose interface port that may interface with a sensor board including multiple types of sensor device drivers and download a sensor device driver from the sensor board, and a sensor node that may recognize a type of sensor included in the sensor board using the downloaded sensor device driver, the sensor node including a micro control unit that may process sensing data received from the sensor board, thereby providing a plug and play function between a micro control unit of a sensor node and a sensing unit including a sensor board in a Ubiquitous Sensor Network (USN) or a Wireless Sensor Network (WSN).

摘要翻译： 提供了一种通用接口端口，其可以与包括多种类型的传感器设备驱动器的传感器板接口并从传感器板下载传感器设备驱动器，以及可以识别传感器板中包括的传感器类型的传感器节点，其使用 下载的传感器设备驱动器，传感器节点包括可以处理从传感器板接收的感测数据的微控制单元，从而在传感器节点的微控制单元和包括传感器板的感测单元之间提供即插即用功能 无处不在的传感器网络（USN）或无线传感器网络（WSN）。

公开(公告)号：US20120155305A1

公开(公告)日：2012-06-21

申请号：US13326865

申请日：2011-12-15

申请人： Jong Jun PARK ,  Seung Mok YOO ,  Nae Soo KIM ,  Cheol Sig PYO

发明人： Jong Jun PARK ,  Seung Mok YOO ,  Nae Soo KIM ,  Cheol Sig PYO

IPC分类号： H04L12/26

CPC分类号： H04W64/00

摘要： Provided is an apparatus and method for tracking a position of a fixed node. The position tracking apparatus of the fixed node may include: an interface to extract, from a database in response to the occurrence of an event about tracking the position of the fixed node, packet data corresponding to a mobile node associated with the event; and a processor to analyze a received signal strength of the packet data and a position of the mobile node from the packet data, and to track the position of the fixed node using the analysis result.

摘要翻译： 提供了一种用于跟踪固定节点的位置的装置和方法。 固定节点的位置跟踪装置可以包括：响应于关于跟踪固定节点的位置的事件的发生从数据库中提取对应于与事件相关联的移动节点的分组数据的接口; 以及处理器，用于从分组数据分析分组数据的接收信号强度和移动节点的位置，并使用分析结果跟踪固定节点的位置。

公开(公告)号：US20090058613A1

公开(公告)日：2009-03-05

申请号：US12059760

申请日：2008-03-31

申请人： Byounghyun CHUNG ,  Hee Sook MO ,  Nae-Soo KIM ,  Cheol Sig PYO

发明人： Byounghyun CHUNG ,  Hee Sook MO ,  Nae-Soo KIM ,  Cheol Sig PYO

IPC分类号： H04Q5/22

CPC分类号： H04Q9/00 ,  H04Q2209/47

摘要： Provided is a method for communication with between readers having dual sensitivity modes for avoiding conflict between readers arising from interference each other when simultaneously used in a limited space. The method for communication between a tag and a reader using dual sensitivity modes for avoiding conflict between the reader and the tag includes: initializing the reader to a normal sensitivity mode; temporarily selecting a frequency channel by the reader; checking whether or not a different reader uses the selected frequency channel; repeatedly selecting another frequency channel if the other readers occupy the selected frequency channel; switching to a reduced sensitivity mode if the other readers do not occupy the selected frequency channel; and communicating with the tag by the reader in the reduced sensitivity mode.

摘要翻译： 提供了一种用于在具有双重灵敏度模式的读取器之间进行通信的方法，用于在同时在有限空间中同时使用时避免彼此干扰而引起的读取器之间的冲突。 使用双灵敏度模式的标签和读取器之间的通信方法用于避免读取器和标签之间的冲突，包括：将读取器初始化为正常灵敏度模式; 由读者临时选择频道; 检查不同的读取器是否使用所选择的频道; 如果其他读取器占用所选择的频道，则重复选择另一个频道; 如果其他读取器不占用所选择的频道，则切换到灵敏度降低模式; 并以读取器以降低的灵敏度模式与标签通信。

公开(公告)号：US20080122625A1

公开(公告)日：2008-05-29

申请号：US11928288

申请日：2007-10-30

申请人： Jae-Young JUNG ,  Hae Won SON ,  Jong Hyun SEO ,  Junho YEO ,  Gil Young CHOI ,  Nae Soo KIM ,  Cheol Sig PYO ,  Jong Suk CHAE

发明人： Jae-Young JUNG ,  Hae Won SON ,  Jong Hyun SEO ,  Junho YEO ,  Gil Young CHOI ,  Nae Soo KIM ,  Cheol Sig PYO ,  Jong Suk CHAE

IPC分类号： G08B13/14

CPC分类号： G06K19/07749 ,  G06K19/0705

摘要： Provided are a radio frequency identification (RFID) tag and a wake-up method thereof. The RFID tag includes: a power source that supplies a driving voltage; a continuous wave detector that receives the driving voltage from the power supply so as to detect a continuous wave in a signal received from an RFID tag reader; a command detector that selectively receives the driving voltage and detects a command in the signal; and a controller that executes the command detected by the command detector by supplying the driving voltage to the command detector if the continuous wave is detected, and stops the driving voltage from being supplied to the command detector if no command is received from the command detector for a predetermined time period.

摘要翻译： 提供射频识别（RFID）标签及其唤醒方法。 RFID标签包括：提供驱动电压的电源; 连续波检测器，其从所述电源接收所述驱动电压，以便检测从RFID标签读取器接收的信号中的连续波; 命令检测器，其选择性地接收所述驱动电压并检测所述信号中的命令; 以及控制器，如果检测到连续波，则执行由指令检测器检测到的指令，将驱动电压提供给指令检测器，并且如果没有从命令检测器接收到命令，则将驱动电压提供给命令检测器， 预定时间段。

公开(公告)号：US20080106384A1

公开(公告)日：2008-05-08

申请号：US11923204

申请日：2007-10-24

申请人： Harrsion Byounghyun CHUNG ,  Nae Soo KIM ,  Cheol Sig PYO

发明人： Harrsion Byounghyun CHUNG ,  Nae Soo KIM ,  Cheol Sig PYO

IPC分类号： H04B7/00

CPC分类号： G06K7/0008

摘要： Provided are an apparatus and method of optimizing a power output of a radio frequency identification reader (RFID) reader. The apparatus includes a loss measurement unit which measures an interface loss between the RFID reader and an antenna by receiving a signal output from the antenna of the RFID reader, a output power compensation amplifier which amplifies a power output to compensate for the measured interface loss, and an output fixation unit which uniformly maintains a power output of the output power compensation amplifier by storing the output compensated power value.

摘要翻译： 提供了一种优化射频识别读取器（RFID）读取器的功率输出的装置和方法。 该装置包括：损耗测量单元，其通过接收从RFID读取器的天线输出的信号来测量RFID读取器和天线之间的接口损耗;输出功率补偿放大器，其放大功率输出以补偿所测量的接口损耗; 以及输出固定单元，其通过存储输出补偿功率值来均匀地维持输出功率补偿放大器的功率输出。

公开(公告)号：US20100150065A1

公开(公告)日：2010-06-17

申请号：US12534289

申请日：2009-08-03

申请人： Hyun-Hak KIM ,  No-Seong PARK ,  Yoonmee DOH ,  Jong-Arm JUN ,  Cheol Sig PYO

发明人： Hyun-Hak KIM ,  No-Seong PARK ,  Yoonmee DOH ,  Jong-Arm JUN ,  Cheol Sig PYO

IPC分类号： H04W16/24

CPC分类号： H04W16/14 ,  H04W84/18

摘要： Disclosed is a method of preventing overlap of multiple PANs in a ZigBee network. According to the method of preventing overlap of multiple personal area networks (PANs) in the ZigBee network, a first node included in a first PAN of the ZigBee network verifies whether overlap of the multiple PANs occurs by verifying packets received from neighbor nodes, identifies beacon information of a neighbor node that causes the overlap of the multiple PANs by gradually adjusting radio frequency (RF) transmission wave, and adjusts a communication range based on the beacon information.

摘要翻译： 公开了一种防止ZigBee网络中多个PAN重叠的方法。 根据防止ZigBee网络中多个个域网（PAN）的重​​叠的方法，ZigBee网络的第一PAN中包含的第一节点通过验证从邻居节点接收到的数据包来识别多个PAN的重叠是否发生，识别信标 通过逐渐调整射频（RF）传输波来引起多个PAN的重叠的相邻节点的信息，并且基于信标信息来调整通信范围。