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公开(公告)号:KR1020130068392A
公开(公告)日:2013-06-26
申请号:KR1020110135515
申请日:2011-12-15
Applicant: 한국전자통신연구원
IPC: H04B7/04
CPC classification number: H04B7/0617 , H04B7/0632 , H04B7/0665 , H04B7/086 , H04W24/10
Abstract: PURPOSE: A data communication method between the wireless nodes is provided to simplify a calculation procedure of a beam-forming matrix by improving feedback information. CONSTITUTION: A reception node generates channel data by measuring channel information(S201). The reception node transmits the channel data to a transmission node. The transmission node generates a transmission beam-forming matrix and a reception beam-forming matrix by using the channel data(S203). The transmission node transmits the transmission beam-forming matrix and the reception beam-forming matrix to the reception node(S205). The reception node verifies the reception beam-forming matrix by using the transmitted transmission beam-forming matrix. The reception node gives feedback on a verification result to the transmission node. [Reference numerals] (AA) Start; (BB) No; (CC) Yes; (DD) End; (S201) Reception node measures channel information, generates channel data, and transmits the same to a transmission node; (S203) Transmission node generates a transmission beam-forming matrix(V(j)) and a reception beam-forming matrix(U(i)) by using the channel data; (S205) Transmission node transmits the V(j) and the U(i) to the reception node; (S207) Reception node self-generates a reception beam-forming matrix(U'(i)) using the V(j); (S209) Is the U(i) equal to the U'(i)?; (S211) Transmission node transmits data to the reception node by applying the V(j); (S213) Reception node transmits the U'(i) to the transmission node; (S215) Transmission node re-generates a V(j) by using the U'(i)
Abstract translation: 目的:提供无线节点之间的数据通信方法,通过改进反馈信息来简化波束形成矩阵的计算过程。 构成:接收节点通过测量频道信息来生成频道数据(S201)。 接收节点将信道数据发送到发送节点。 发送节点通过使用信道数据生成发送波束形成矩阵和接收波束形成矩阵(S203)。 发送节点将发送波束形成矩阵和接收波束形成矩阵发送到接收节点(S205)。 接收节点通过使用发送的发射波束形成矩阵来验证接收波束形成矩阵。 接收节点向发送节点提供关于验证结果的反馈。 (附图标记)(AA)开始; (BB)否 (CC)是; (DD)结束; (S201)接收节点测量信道信息,生成信道数据,并将其发送到发送节点; (S203)传输节点通过使用信道数据生成发射波束形成矩阵(V(j))和接收波束形成矩阵(U(i)); (S205)传输节点将V(j)和U(i)发送到接收节点; (S207)接收节点使用V(j)自身生成接收波束形成矩阵(U'(i)); (S209)U(i)是否等于U'(i)? (S211)传输节点通过应用V(j)向接收节点发送数据; (S213)接收节点将U'(i)发送到发送节点; (S215)传输节点通过使用U'(i)重新生成V(j)
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公开(公告)号:KR1020130063917A
公开(公告)日:2013-06-17
申请号:KR1020110130540
申请日:2011-12-07
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A network management method and a device thereof are provided to support a restoration for a connection using a link by rapidly connecting the link to a neighbor mesh node. CONSTITUTION: When an entry node entering into a transmission range is sensed, a neighbor node management unit(1100) selects the entry node and a mesh node as an agent node including a neighbor node from a plurality of neighbor nodes. The neighbor node management unit forms a link with the entry node through the agent node. A transmission and reception unit(1300) receives a message from the plurality of the neighbor nodes. The transmission and reception unit transmits the received message to the neighbor node management unit. [Reference numerals] (1100) Neighbor node management unit; (1200) Path management unit; (1300) Transmission and reception unit
Abstract translation: 目的:提供一种网络管理方法及其装置,以通过将链路快速连接到邻居网格节点来支持使用链路的连接的恢复。 构成:当检测到进入传输范围的入口节点时,邻居节点管理单元(1100)从多个邻居节点中选择入口节点和网状节点作为包括邻居节点的代理节点。 邻居节点管理单元通过代理节点与入口节点形成链路。 发送和接收单元(1300)从多个相邻节点接收消息。 发送和接收单元将接收到的消息发送到邻居节点管理单元。 (附图标记)(1100)邻居节点管理单元; (1200)路径管理单元; (1300)发送和接收单元
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公开(公告)号:KR1020120071952A
公开(公告)日:2012-07-03
申请号:KR1020100133698
申请日:2010-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04L45/302 , H04W40/12
Abstract: PURPOSE: A routing method for supporting QoS(Quality of Service) in a wireless network and apparatus thereof are provided to allocate resources by establishing a connection for each intermediate node in the wireless network. CONSTITUTION: A connection management unit determines a next node and a predicted path in order to contact to a destination node(S600). The connection management unit deducts the QoS of a link(S610). The connection management unit requests resource allocation to a resource allocation unit in order to satisfy with the QoS of the link(S620). When the allocated resource is satisfied with the QoS of the link, the connection management unit transmits a connection establishment request to the connection management unit of the next node(S630,S640). The connection management unit stores connection information(S650).
Abstract translation: 目的:提供一种用于支持无线网络中的QoS(QoS)和其装置的路由方法,以通过为无线网络中的每个中间节点建立连接来分配资源。 构成:连接管理单元确定下一个节点和预测路径以便与目的节点接触(S600)。 连接管理单元扣除链路的QoS(S610)。 连接管理单元向资源分配单元请求资源分配以满足链路的QoS(S620)。 当分配的资源满足链路的QoS时,连接管理单元向下一个节点的连接管理单元发送连接建立请求(S630,S640)。 连接管理单元存储连接信息(S650)。
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公开(公告)号:KR1020120067921A
公开(公告)日:2012-06-26
申请号:KR1020110064855
申请日:2011-06-30
Applicant: 한국전자통신연구원
CPC classification number: H04W28/021 , H04J11/00 , H04W48/08 , H04W84/18
Abstract: PURPOSE: Access controlling method and device in a wireless communication system are provided to improve the reliability and the safety of network by avoiding the collision of neighing nodes in orthogonal frequency division multiple access(OFDMA)-based wireless mesh network. CONSTITUTION: Information with respect to following transmission timings of a 1-hop node and a 2-hop node is received through the 1-hop node(S501). The information calculates the following transmission time interval of the 1-hop node and the 2-hop node(S502). Based on the following transmission time interval, a sub-frame and a sub-channel corresponding to the following transmission timings are determined(S503 to S509). Information with respect to the following transmission timing with information with respect to the transmission timing of the 1-hop node is transmitted to the 1-hop node.
Abstract translation: 目的:提供无线通信系统中的访问控制方法和设备,通过避免基于正交频分多址(OFDMA)的无线网状网络中的相邻节点的冲突来提高网络的可靠性和安全性。 构成:通过1跳节点接收关于1跳节点和2跳节点的以下发送定时的信息(S501)。 该信息计算出1跳节点和2跳节点的以下传输时间间隔(S502)。 基于以下发送时间间隔,确定与以下发送定时对应的子帧和子信道(S503〜S509)。 关于具有关于1跳节点的发送定时的信息的以下发送定时的信息被发送到1跳节点。
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公开(公告)号:KR1020110066852A
公开(公告)日:2011-06-17
申请号:KR1020100117011
申请日:2010-11-23
CPC classification number: H04W52/146 , H04W52/0209 , H04W52/24 , H04W52/243 , Y02D70/00
Abstract: PURPOSE: A method and apparatus for controlling uplink power are provided to efficiently reduce the interference amount about adjacent cells. CONSTITUTION: A target interference quantity setup unit(40) establishes target interference amount on the initial target interference amount regulation value according to the process load of the base station. A transmission power parameter setup unit(50) selects one interference amount among estimated interference amount based on the target interference amount. The transmission power parameter setup unit acquires an encoding packet size and a transmission format corresponding to the selected interference amount. The transmission power parameter setup unit transmits the acquired encoding packet size and the transmission format to the terminal.
Abstract translation: 目的:提供一种控制上行链路功率的方法和装置,以有效降低邻近小区的干扰量。 构成:目标干扰量设定部(40)根据基站的处理负荷,对初始目标干扰量调节值建立目标干扰量。 传输功率参数设置单元(50)基于目标干扰量来选择估计干扰量中的一个干扰量。 传输功率参数设置单元获取与所选干扰量相对应的编码分组大小和传输格式。 发送功率参数设置单元将所获取的编码分组大小和发送格式发送到终端。
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公开(公告)号:KR1020110043452A
公开(公告)日:2011-04-27
申请号:KR1020100098972
申请日:2010-10-11
Abstract: PURPOSE: A wireless resource management device and management method of the same are provided to activate a new wireless source. CONSTITUTION: A radio environment determining unit(510) determines a radio environment between a base station and at least one neighboring base center or a radio environment between the base station and the terminals connected to the base station. If the determined wireless environment does not satisfies a predetermined standard, a wireless resource selecting unit(520) selects a new wireless resource. A radio resource active unit(530) inactivates an existing radio resource. The radio resource active unit activates a new radio resource.
Abstract translation: 目的:提供无线资源管理设备及其管理方法来激活新的无线源。 构成:无线电环境确定单元(510)确定基站与基站与连接到基站的终端之间的至少一个相邻基站或无线电环境之间的无线电环境。 如果所确定的无线环境不满足预定标准,则无线资源选择单元(520)选择新的无线资源。 无线电资源活动单元(530)使现有无线电资源无效。 无线电资源活动单元激活新的无线电资源。
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公开(公告)号:KR1020100118948A
公开(公告)日:2010-11-08
申请号:KR1020100039181
申请日:2010-04-27
CPC classification number: H04W24/02 , G01S5/02 , G01S5/0289 , H04W48/16 , H04W64/00 , H04W72/02 , H04W92/20
Abstract: PURPOSE: A device and a method for managing a base station are provided to autonomously change wireless operation conditions by recognizing a changing wireless environment, thereby efficiently managing the base station. CONSTITUTION: An information obtaining unit(210) obtains the first information for a wireless environment from an adjacent BS(Base Station). The information obtaining unit obtains the second information for the wireless environment by accessing a backbone network. A location estimating unit(220) estimates a location of the adjacent BS based on the first information. An operation condition selector(230) selects a wireless resource based on at least one of the first and second information.
Abstract translation: 目的:提供一种用于管理基站的设备和方法,以通过识别变化的无线环境来自主地改变无线操作条件,从而有效地管理基站。 构成:信息获取单元从相邻BS(基站)获取无线环境的第一信息。 信息获取单元通过访问骨干网络获取无线环境的第二信息。 位置估计单元(220)基于第一信息来估计相邻BS的位置。 操作条件选择器(230)基于第一和第二信息中的至少一个来选择无线资源。
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公开(公告)号:KR1020100118942A
公开(公告)日:2010-11-08
申请号:KR1020100036322
申请日:2010-04-20
CPC classification number: H04W52/243 , H04W24/02 , H04W52/146 , H04W52/24
Abstract: PURPOSE: An interference control method is provided to control power by exchanging interference control information between adjacent cells, thereby guaranteeing a transmission rate of a cell border. CONSTITUTION: A serving base station receives interference quantity information for the first area of a downlink frame from a mobile station(S101). The serving base station calculates an interference quantity estimation value about the first area(S103). The serving base station compares the interference quantity estimation value with an interference quantity tolerance value for the first area(S105). When the interference quantity estimation value is larger than the interference quantity tolerance value, the serving base station transmits an interference indicator to adjacent base stations(S111).
Abstract translation: 目的:提供一种干扰控制方法,通过在相邻小区之间交换干扰控制信息来控制功率,从而保证小区边界的传输速率。 构成:服务基站从移动台接收下行链路帧的第一区域的干扰量信息(S101)。 服务基站计算关于第一区域的干扰量估计值(S103)。 服务基站将干扰量估计值与第一区域的干扰量公差值进行比较(S105)。 当干扰量估计值大于干扰量容限值时,服务基站向相邻基站发送干扰指示符(S111)。
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公开(公告)号:KR1020100118941A
公开(公告)日:2010-11-08
申请号:KR1020100034936
申请日:2010-04-15
Abstract: PURPOSE: A method and a device for controlling handover are provided to dynamically set handover trigger information based on a load of boundary areas of adjacent cells, thereby distributing a load between the adjacent cells. CONSTITUTION: A measuring unit measures a load of a cell boundary area(S101). A transmitting unit generates cell state information including the load of the cell boundary area(S103). The transmitting unit transmits the cell state information to an adjacent base station. A receiving unit receives cell station information of adjacent cells from the adjacent base station(S105). A comparing unit compares the measured boundary area load with the load of the boundary areas of the adjacent cells(S107). A setting unit sets handover trigger information according to the load of the cell boundary area(S109).
Abstract translation: 目的:提供一种用于控制切换的方法和装置,用于基于相邻小区的边界区域的负载动态设置切换触发信息,从而在相邻小区之间分配负载。 规定:测量单元测量单元格边界区域的载荷(S101)。 发送单元生成包含小区边界区域的负载的小区状态信息(S103)。 发送单元向相邻基站发送小区状态信息。 接收单元从相邻基站接收相邻小区的小区站信息(S105)。 比较单元将测量的边界面积负荷与相邻单元的边界区域的负载进行比较(S107)。 设置单元根据小区边界区域的负载设置切换触发信息(S109)。
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公开(公告)号:KR100926828B1
公开(公告)日:2009-11-12
申请号:KR1020070098703
申请日:2007-10-01
IPC: G06F7/00
Abstract: 본 발명은 유한체 내에서 역원 계산 장치 및 방법에 관한 것이다.
외부로부터 입력되는 원시 원소에 대하여 유한체 지수승 블록 및 곱셈 블록으로 구성된 지수승 연산부를 이용하여 임의의 원소에 대한 역원을 계산함으로써, 하드웨어의 자원을 절약할 수 있을 뿐만 아니라, 역원을 구하는 연산 속도도 증가시킬 수 있다.
유한체, 곱셈, 역원, 표준기저
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