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1. 发明申请

US20120039271A1 METHOD AND APPARATUS FOR DISTRIBUTED SCHEDULING IN WIRELESS MESH NETWORK BASED ON OFDMA 审中-公开
标题翻译：基于OFDMA的无线网络分布式调度方法与装置
公开(公告)号：US20120039271A1
公开(公告)日：2012-02-16
申请号：US13195397
申请日：2011-08-01
申请人： Hyun Jae KIM , Woo Ram Shin , An Seok Lee , Kwang Jae Lim , Keun Young Kim , Ji Hung Kim , Dong Seung Kwon
发明人： Hyun Jae KIM , Woo Ram Shin , An Seok Lee , Kwang Jae Lim , Keun Young Kim , Ji Hung Kim , Dong Seung Kwon
IPC分类号： H04W72/04
CPC分类号： H04L5/0091 , H04W72/0446 , H04W72/1263
摘要： A method and apparatus for distributed scheduling within an orthogonal frequency division multiple access (OFDMA)-based wireless mesh network may be provided. A requester and a granter in the wireless mesh network may perform three way-handshaking using distributed scheduling messages. A plurality of distributed scheduling messages may use different sub-channels. The request may reserve sub-channels to be used by respective scheduling messages.
摘要翻译：可以提供一种用于基于正交频分多址（OFDMA）的无线网状网络内的分布式调度的方法和装置。无线网状网络中的请求者和授权者可以使用分布式调度消息来执行三次握手。多个分布式调度消息可以使用不同的子信道。请求可以预留各个调度消息使用的子信道。

2. 发明授权

US08767578B2 Method and apparatus for access control in wireless communication system 有权
标题翻译：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。

3. 发明申请

US20120155304A1 METHOD AND APPARATUS FOR ACCESS CONTROL IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中接入控制的方法与装置
公开(公告)号：US20120155304A1
公开(公告)日：2012-06-21
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： H04L12/28 , H04L12/26
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-top 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顶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。

4. 发明授权

US08929314B2 Method for transmitting preamble, synchronization method of wireless node and apparatus thereof 有权
标题翻译：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。

5. 发明授权

US08724567B2 Method and apparatus using frame structure for wireless mesh networks 有权
标题翻译：使用无线网状网络的帧结构的方法和装置
公开(公告)号：US08724567B2
公开(公告)日：2014-05-13
申请号：US13194236
申请日：2011-07-29
申请人： Wooram Shin , Hyun Jae Kim , Anseok Lee , Ji Hyung Kim , Keun Young Kim , Kwang Jae Lim , Dong Seung Kwon
发明人： Wooram Shin , Hyun Jae Kim , Anseok Lee , Ji Hyung Kim , Keun Young Kim , Kwang Jae Lim , Dong Seung Kwon
IPC分类号： H04W4/00
CPC分类号： H04L27/2602 , H04W72/1263 , H04W74/0833 , H04W84/18
摘要： Provided is a frame structure designed for distributed access control and OFDMA transmission in a wireless mesh network. Also, a communication method and a network node based on the frame structure are provided. Mesh nodes included in the wireless mesh network may use the frame structure and thus, may have a high prospect of transmitting a network configuration information message and scheduling information for obtaining a resource. Also, a scheduling process of the mesh nodes may be completed within a short period based on the frame structure.
摘要翻译：提供了一种为无线网状网络中的分布式访问控制和OFDMA传输而设计的帧结构。此外，提供了基于帧结构的通信方法和网络节点。包括在无线网状网络中的网状节点可以使用帧结构，因此可能具有发送网络配置信息消息和用于获取资源的调度信息的高前景。此外，可以基于帧结构在短时间内完成网状节点的调度处理。

6. 发明申请

US20130159554A1 METHOD OF PERFORMING DISTRIBUTED SYNCHRONIZATION IN AD HOC NETWORK SYSTEM 审中-公开
标题翻译：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。

7. 发明申请

US20130182656A1 METHOD FOR TRANSMITTING PREAMBLE, SYNCHRONIZATION METHOD OF WIRELESS NODE AND APPARATUS THEREOF 有权
标题翻译：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。

8. 发明申请

US20120093099A1 METHOD AND APPARATUS USING FRAME STRUCTURE FOR WIRELESS MESH NETWORKS 有权
标题翻译：使用框架结构的无线网状网络的方法和装置
公开(公告)号：US20120093099A1
公开(公告)日：2012-04-19
申请号：US13194236
申请日：2011-07-29
申请人： Woo Ram Shin , Hyun Jae Kim , Anseok Lee , Ji Hyung Kim , Kaun Young Kim , Kwang Jae Lim , Kong Saung Kwon
发明人： Woo Ram Shin , Hyun Jae Kim , Anseok Lee , Ji Hyung Kim , Kaun Young Kim , Kwang Jae Lim , Kong Saung Kwon
IPC分类号： H04W72/12
CPC分类号： H04L27/2602 , H04W72/1263 , H04W74/0833 , H04W84/18
摘要： Provided is a frame structure designed for distributed access control and OFDMA transmission in a wireless mesh network. Also, a communication method and a network node based on the frame structure are provided. Mesh nodes included in the wireless mesh network may use the frame structure and thus, may have a high prospect of transmitting a network configuration information message and scheduling information for obtaining a resource. Also, a scheduling process of the mesh nodes may be completed within a short period based on the frame structure.
摘要翻译：提供了一种为无线网状网络中的分布式访问控制和OFDMA传输而设计的帧结构。此外，提供了基于帧结构的通信方法和网络节点。包括在无线网状网络中的网状节点可以使用帧结构，因此可能具有发送网络配置信息消息和用于获取资源的调度信息的高前景。此外，可以基于帧结构在短时间内完成网状节点的调度处理。

9. 发明申请

US20120163171A1 ROUTING METHOD AND APPARATUS FOR SUPPORTING QoS IN WIRELESS NETWORK 审中-公开
标题翻译：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。

10. 发明申请

US20120163513A1 METHOD AND APPARATUS OF ADAPTIVE TRANSMISSION SIGNAL DETECTION BASED ON SIGNAL-TO-NOISE RATIO AND CHI-SQUARED DISTRIBUTION 有权
标题翻译：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。

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