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    Method for transmitting preamble, synchronization method of wireless node and apparatus thereof
    3.
    发明授权
    Method for transmitting preamble, synchronization method of wireless node and apparatus thereof 有权
    发送前导码的方法，无线节点的同步方法及其装置

    公开(公告)号：US08929314B2

    公开(公告)日：2015-01-06

    申请号：US13551160

    申请日：2012-07-17

    申请人： Jung Hyun Kim ,  Ji Hung Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： Jung Hyun Kim ,  Ji Hung Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04W56/00

    CPC分类号： H04W56/001

    摘要： The embodiments of the present invention are directed to a method and apparatus that synchronize radio nodes using preambles in a radio communication system. An embodiment of the present invention relates to a method of transmitting preambles by a radio node. The method includes generating a first preamble indicating a system bandwidth and a carrier configuration, generating a second preamble indicating a segment identifier used for obtaining a node identifier, allocating the first preamble to a first preamble carrier set, allocating the second preamble to a second preamble carrier set corresponding to the segment identifier, and transmitting the first preamble to a receiving node through the first preamble carrier set and the second preamble to the receiving node through the second preamble carrier set.

    摘要翻译： 本发明的实施例涉及一种在无线电通信系统中使用前导码同步无线电节点的方法和装置。 本发明的实施例涉及一种由无线节点发送前导码的方法。 该方法包括生成指示系统带宽和载波配置的第一前导码，产生指示用于获得节点标识符的分段标识符的第二前导码，将第一前同步码分配给第一前导码载波集合，将第二前同步码分配给第二前同步码 载波集合，并且通过第一前导码载波集合和第二前导码通过第二前导码载波集合将第一前导码发送到接收节点。

    METHOD OF PERFORMING DISTRIBUTED SYNCHRONIZATION IN AD HOC NETWORK SYSTEM
    4.
    发明申请
    METHOD OF PERFORMING DISTRIBUTED SYNCHRONIZATION IN AD HOC NETWORK SYSTEM 审中-公开
    在广域网络系统中执行分布式同步的方法

    公开(公告)号：US20130159554A1

    公开(公告)日：2013-06-20

    申请号：US13550124

    申请日：2012-07-16

    申请人： Ji Hung KIM ,  Jung Hyun Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： Ji Hung KIM ,  Jung Hyun Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： G06F15/16

    CPC分类号： H04W56/0055 ,  H04L27/2665 ,  H04L27/2678 ,  H04L27/2688 ,  H04L27/2691 ,  H04W84/18

    摘要： There is provided a method of performing distributed synchronization in an Ad hoc network system. The method includes receiving a signal, including a reception time point change period, through a plurality of nodes, changing a reception time point at which the signal is received through the plurality of nodes within the reception time point change period so that the reception time point is included in a preset Cyclic Prefix (CP) period, changing a Fast Fourier Transform (FFT) start time point which is a time point at which data starts being recovered based on the changed reception time point, and changing the reference point of the transmission time point of each of the plurality of nodes based on a difference value between the preset reference point of the FFT start time point and the changed FFT start time point. The method has smaller overhead.

    摘要翻译： 提供了一种在Ad hoc网络系统中执行分布式同步的方法。 该方法包括通过多个节点接收包括接收时间点变化周期的信号，在接收时间点改变周期内通过多个节点改变接收信号的接收时间点，使得接收时间点 被包括在预设的循环前缀（CP）周期中，基于改变的接收时间点改变作为数据开始恢复的时间点的快速傅里叶变换（FFT）开始时间点，并且改变传输的参考点 基于FFT开始时间点的预设参考点和改变的FFT开始时间点之间的差值，多个节点中的每一个节点的时间点。 该方法的开销较小。

    METHOD FOR TRANSMITTING PREAMBLE, SYNCHRONIZATION METHOD OF WIRELESS NODE AND APPARATUS THEREOF
    5.
    发明申请
    METHOD FOR TRANSMITTING PREAMBLE, SYNCHRONIZATION METHOD OF WIRELESS NODE AND APPARATUS THEREOF 有权
    传输前缀的方法，无线节点同步方法及其设备

    公开(公告)号：US20130182656A1

    公开(公告)日：2013-07-18

    申请号：US13551160

    申请日：2012-07-17

    申请人： Jung Hyun Kim ,  Ji Hung Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： Jung Hyun Kim ,  Ji Hung Kim ,  Hyun Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04W56/00 ,  H04W72/00

    CPC分类号： H04W56/001

    摘要： The embodiments of the present invention are directed to a method and apparatus that synchronize radio nodes using preambles in a radio communication system. An embodiment of the present invention relates to a method of transmitting preambles by a radio node. The method includes generating a first preamble indicating a system bandwidth and a carrier configuration, generating a second preamble indicating a segment identifier used for obtaining a node identifier, allocating the first preamble to a first preamble carrier set, allocating the second preamble to a second preamble carrier set corresponding to the segment identifier, and transmitting the first preamble to a receiving node through the first preamble carrier set and the second preamble to the receiving node through the second preamble carrier set.

    摘要翻译： 本发明的实施例涉及一种在无线电通信系统中使用前导码同步无线电节点的方法和装置。 本发明的实施例涉及一种由无线节点发送前导码的方法。 该方法包括生成指示系统带宽和载波配置的第一前导码，产生指示用于获得节点标识符的分段标识符的第二前导码，将第一前同步码分配给第一前导码载波集合，将第二前同步码分配给第二前同步码 载波集合，并且通过第一前导码载波集合和第二前导码通过第二前导码载波集合将第一前导码发送到接收节点。

    METHOD AND APPARATUS OF ADAPTIVE TRANSMISSION SIGNAL DETECTION BASED ON SIGNAL-TO-NOISE RATIO AND CHI-SQUARED DISTRIBUTION
    6.
    发明申请
    METHOD AND APPARATUS OF ADAPTIVE TRANSMISSION SIGNAL DETECTION BASED ON SIGNAL-TO-NOISE RATIO AND CHI-SQUARED DISTRIBUTION 有权
    基于信噪比和CHI-SQUARED分布的自适应传输信号检测方法与装置

    公开(公告)号：US20120163513A1

    公开(公告)日：2012-06-28

    申请号：US13288436

    申请日：2011-11-03

    申请人： In Sook Park ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： In Sook Park ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04L27/06

    CPC分类号： H04L25/03961

    摘要： Disclosed are a method and apparatus of adaptive transmission signal detection based on a signal-to-noise ratio and a Chi-squared distribution for decoding a reception signal in the form of multi-streams into a transmission signal, the method comprising: receiving a reception signal vector; estimating a channel matrix of a channel that the reception signal vector experienced; performing QR decomposition based on the estimated channel matrix; calculating dimensions of divisional spaces adaptively on the basis of a signal-to-noise ratio (SNR) or a signal-to-interference noise ratio (SINR); detecting a maximum likelihood point having a maximum likelihood value among lattice points within each divisional space optained on the basis of results from performing the QR decomposition and calculating dimension of the divisional spaces; and recovering a transmission signal vector based on the detected maximum likelihood points.

    摘要翻译： 公开了一种基于信噪比和用于将多流形式的接收信号解码为传输信号的卡方分布的自适应传输信号检测方法和装置，该方法包括：接收接收 信号矢量 估计接收信号向量经历的信道的信道矩阵; 基于估计的信道矩阵执行QR分解; 根据信噪比（SNR）或信噪比噪声比（SINR）自适应地计算分区空间的尺寸; 基于执行QR分解和计算分割空间的维度的结果，检测在每个分割空间内的格点之间具有最大似然值的最大似然点; 以及基于检测到的最大似然点来恢复传输信号向量。

    ROUTING METHOD AND APPARATUS FOR SUPPORTING QoS IN WIRELESS NETWORK
    7.
    发明申请
    ROUTING METHOD AND APPARATUS FOR SUPPORTING QoS IN WIRELESS NETWORK 审中-公开
    无线网络支持QoS的路由方法和设备

    公开(公告)号：US20120163171A1

    公开(公告)日：2012-06-28

    申请号：US13296497

    申请日：2011-11-15

    申请人： Anseok LEE ,  Hyun-Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： Anseok LEE ,  Hyun-Jae Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04W40/00 ,  H04W72/04

    CPC分类号： H04L45/302 ,  H04W40/12

    摘要： A method for routing and setting up a connection to provide Quality of Service (QoS) required in a wireless network is provided, which allows to use a path capable of providing QoS higher than a certain level between a source node and a destination node. A routing apparatus includes: a connection management unit that receives a connection setup request directed to a destination node, determines a predicted path leading to the destination node and the next node, and transmits a connection setup request to the next node; a resource allocation unit that allocates resources so as to satisfy required QoS; a routing unit that measures available QoS information of a link and enables the exchange of information of the link including the QoS information with the nodes of the network; and a routing information management unit that stores received routing information.

    摘要翻译： 提供了一种用于路由和建立连接以提供无线网络中所需的服务质量（QoS）的方法，其允许使用能够提供高于源节点和目的地节点之间的特定级别的QoS的路径。 路由装置包括：连接管理单元，其接收针对目的地节点的连接建立请求，确定通向目的地节点和下一节点的预测路径，并向下一节点发送连接建立请求; 资源分配单元，其分配资源以满足所需的QoS; 路由单元，其测量链路的可用QoS信息，并且使得包括QoS信息的链路的信息与网络的节点交换; 以及路由信息管理单元，其存储接收到的路由信息​​。

    Method and apparatus for access control in wireless communication system
    9.
    发明授权
    Method and apparatus for access control in wireless communication system 有权
    无线通信系统中访问控制的方法和装置

    公开(公告)号：US08767578B2

    公开(公告)日：2014-07-01

    申请号：US13326822

    申请日：2011-12-15

    申请人： Wooram Shin ,  Hyun-jae Kim ,  Anseok Lee ,  Keun Young Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： Wooram Shin ,  Hyun-jae Kim ,  Anseok Lee ,  Keun Young Kim ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04L12/52

    CPC分类号： H04W72/1278 ,  H04W48/08 ,  H04W74/008 ,  H04W84/18

    摘要： In an orthogonal frequency division multiple access (OFDMA)-based wireless mesh network, a communication node receives information regarding a next transmission time of a 1-hop node and a 2-hop node through the 1-hop node, calculates next transmission intervals of the 1-hop node and the 2-hop node, determines a next transmission time of the communication node by using the next transmission intervals of the 1-hop node and the 2-hop node, and then transmits, to an 1-hop node of the communication node, the information of the next transmission time together with the information of the transmission time of the 1-hop node, received from the 1-hop node.

    摘要翻译： 在基于正交频分多址（OFDMA）的无线网状网络中，通信节点通过1跳节点接收关于1跳节点和2跳节点的下一个传输时间的信息，计算下一个传输间隔 1跳节点和2跳节点通过使用1跳节点和2跳节点的下一个传输间隔来确定通信节点的下一个传输时间，然后发送到1跳节点 通信节点的信息，下一个传输时间的信息以及从1跳节点接收的1跳节点的传输时间的信息。

    Method and apparatus of adaptive transmission signal detection based on signal-to-noise ratio and Chi-squared distribution
    10.
    发明授权
    Method and apparatus of adaptive transmission signal detection based on signal-to-noise ratio and Chi-squared distribution 有权
    基于信噪比和卡方分布的自适应传输信号检测方法和装置

    公开(公告)号：US08548103B2

    公开(公告)日：2013-10-01

    申请号：US13288436

    申请日：2011-11-03

    申请人： In Sook Park ,  Kwang Jae Lim ,  Dong Seung Kwon

    发明人： In Sook Park ,  Kwang Jae Lim ,  Dong Seung Kwon

    IPC分类号： H04L27/06 ,  H03D1/00

    CPC分类号： H04L25/03961

    摘要： Disclosed are a method and apparatus of adaptive transmission signal detection based on a signal-to-noise ratio and a Chi-squared distribution for decoding a reception signal in the form of multi-streams into a transmission signal, the method comprising: receiving a reception signal vector; estimating a channel matrix of a channel that the reception signal vector experienced; performing QR decomposition based on the estimated channel matrix; calculating dimensions of divisional spaces adaptively on the basis of a signal-to-noise ratio (SNR) or a signal-to-interference noise ratio (SINR); detecting a maximum likelihood point having a maximum likelihood value among lattice points within each divisional space obtained on the basis of results from performing the QR decomposition and calculating dimension of the divisional spaces; and recovering a transmission signal vector based on the detected maximum likelihood points.

    摘要翻译： 公开了一种基于信噪比和用于将多流形式的接收信号解码为传输信号的卡方分布的自适应传输信号检测方法和装置，该方法包括：接收接收 信号矢量 估计接收信号向量经历的信道的信道矩阵; 基于估计的信道矩阵执行QR分解; 根据信噪比（SNR）或信噪比噪声比（SINR）自适应地计算分区空间的尺寸; 根据执行所述分割空间的QR分解和计算维度的结果，检测在每个分割空间内的格点之间具有最大似然值的最大似然点; 以及基于检测到的最大似然点来恢复传输信号向量。