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公开(公告)号：KR1020120124359A
公开(公告)日：2012-11-13
申请号：KR1020120045401
申请日：2012-04-30
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A communication method for a base station, a terminal and a relay station are provided to prevent local service and service delay by setting an optimal route between the terminal and an upper network through the base station or the relay station. CONSTITUTION: A terminal(210) transmits communication request message(REQ1) to a base station(100). The base station transmits request message(REQ2) for communications between terminals to an access service network(400). The base station transmits the request message(REQ3) to the terminal(220). The terminal(210) transmits data(DATA1) to the base station. The base station transmits data(DATA1) to the terminal(220). The terminal(220) transmits data(DATA2) to the base station. The base station transmits data(DATA2) to the terminal(210). [Reference numerals] (100) Base station; (210,220) Terminal; (400) Access service network; (AA) Local transmission
Abstract translation: 目的：提供基站，终端和中继站的通信方法，通过基站或中继站设置终端与上层网络之间的最佳路由，防止本地业务和业务延迟。 构成：终端（210）向基站（100）发送通信请求消息（REQ1）。 基站发送用于终端之间的通信的请求消息（REQ2）到接入服务网络（400）。 基站向终端（220）发送请求消息（REQ3）。 终端（210）向基站发送数据（DATA1）。 基站向终端（220）发送数据（DATA1）。 终端（220）向基站发送数据（DATA2）。 基站向终端（210）发送数据（DATA2）。 （附图标记）（100）基站; （210,220）码头; （400）接入业务网; （AA）本地传输
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公开(公告)号：KR1020120113495A
公开(公告)日：2012-10-15
申请号：KR1020110031230
申请日：2011-04-05
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A path conversion method in a wireless mesh network and path conversion apparatus thereof are provided to convert a transmission path by selecting a desired node and a conversion point for successively providing services in a wireless mesh network. CONSTITUTION: A link quality measurement unit(130) measures a signal strength of each candidate node and a communication node. A routing unit(120) measures the path cost of a path using the communication node and each candidate node. A path conversion unit(110) determines a necessary signal strength in each candidate node. When a candidate node which satisfies necessary signal strength is existed, the path conversion unit converts the node using the path. The routing unit includes path costs according to the quality of a path. [Reference numerals] (110) Path conversion unit; (120) Routing unit; (130) Link quality measurement unit
Abstract translation: 目的：提供无线网状网络中的路径转换方法及其路径转换装置，用于通过选择期望的节点和用于在无线网状网络中连续提供服务的转换点来转换传输路径。 构成：链路质量测量单元（130）测量每个候选节点和通信节点的信号强度。 路由单元（120）使用通信节点和每个候选节点来测量路径的路径开销。 路径转换单元（110）确定每个候选节点中必要的信号强度。 当存在满足必要信号强度的候选节点时，路径转换单元使用路径转换节点。 路由单元根据路径的质量包括路径开销。 （附图标记）（110）路径转换单元; （120）路由单元; （130）链路质量测量单元
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公开(公告)号：KR1020120106115A
公开(公告)日：2012-09-26
申请号：KR1020110023990
申请日：2011-03-17
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An IoT(Interference over Thermal) control method for OFDMA(Orthogonal Frequency Division Multiple Access) based wireless mesh network is provided to efficiently control the amount of interference and to perform power control. CONSTITUTION: A request node(R60) measures a preamble signal(S63). The request node calculates the reception power of the preamble signal from a target node based on the measured preamble signal(S64). The request node calculates SIR(Signal-to-Interference Ratio) of the target node through the reception power of the calculated preamble signal(S66). The request node determines transmission power of the target node based on the calculated SIR(S67). [Reference numerals] (S61) Request; (S62) Grant; (S63) Calculating a preamble signal which is received from various grant nodes; (S64) Calculating the reception power of the preamble signal from the grant node positioned at 1-hop; (S65) Calculating sum of a preamble reception power which is received from the grant node at 2-hop; (S66) Calculating SIRn from a control channel of each node at1-hop; (S67) Calculating transmission power per sub carrier when transmitting a data channel to the node n; (S68) Confirm
Abstract translation: 目的：提供一种基于OFDMA（正交频分多址）的无线网状网络的IoT（干扰热）控制方法，以有效地控制干扰量并执行功率控制。 构成：请求节点（R60）测量前置信号（S63）。 请求节点基于测量的前导信号来计算来自目标节点的前导码信号的接收功率（S64）。 请求节点通过所计算的前导信号的接收功率来计算目标节点的SIR（信号与干扰比）（S66）。 请求节点基于计算出的SIR来确定目标节点的传输功率（S67）。 （附图标记）（S61）请求; （S62）拨款; （S63）计算从各种授权节点接收的前导信号; （S64）从位于1跳的授权节点计算前导码信号的接收功率; （S65）计算从授权节点在2跳接收的前导码接收功率的和; （S66）从1跳的每个节点的控制信道计算SIRn; （S67）当向节点n发送数据信道时，计算每个子载波的发射功率; （S68）确认
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公开(公告)号：KR1020120100822A
公开(公告)日：2012-09-12
申请号：KR1020120021970
申请日：2012-03-02
Applicant: 한국전자통신연구원
CPC classification number: H04W4/06 , H04W36/0061 , H04W72/005 , H04W76/40
Abstract: PURPOSE: A multicast service management method and apparatus thereof are provided to offer multicast service identification information mapped to a group zone identifier. CONSTITUTION: A base station periodically broadcasts messages including multicast service flow mapping information of a neighbor multicast group zone and a current multicast group zone for supporting mobility(S510). When a mobile station moves to the neighbor multicast group zone across a multicast group zone border, the mobile station updates multicast parameters related to a multicast service flow based on the received broadcast message(S520). [Reference numerals] (51) Mobile station; (52) Base station; (S510) Multicast service flow mapping information; (S520) Multicast parameter update and multicast reception
Abstract translation: 目的：提供组播业务管理方法及其装置，提供映射到组区标识符的组播业务识别信息。 构成：基站周期性地广播包括邻居组播组区域的组播业务流映射信息和支持移动性的当前组播组区域的消息（S510）。 当移动台通过组播组区域边界移动到相邻组播组区域时，基于所接收的广播消息，移动台更新与组播业务流相关的组播参数（S520）。 （附图标记）（51）移动台; （52）基站; （S510）组播业务流映射信息; （S520）组播参数更新和组播接收
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公开(公告)号：KR1020120073143A
公开(公告)日：2012-07-04
申请号：KR1020110141347
申请日：2011-12-23
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/00 , H04W72/005 , H04W4/06 , H04W4/08 , H04W72/042 , H04W76/40
Abstract: PURPOSE: A multicast resource allocation method is provided to reduce power loss by decoding MAP IE(Mobile Application Protocol Information Element) through the validity date of multicast resources which continuously allocated. CONSTITUTION: A BS(Base Station)(42) continuously allocates multicast resources to a multicast group. The base station transmits a downlink control channel including a multicast resource assignment information. An MS(Mobile Station)(41) identifies MAP IE based on the received MAP IE. The MS confirms multicast resources continuously allocated through the multicast resource allocation information of the identified MAP IE. The MS receives a multicast burst through the multicast resources.
Abstract translation: 目的：提供组播资源分配方法，通过连续分配的组播资源的有效性日期解码MAP IE（移动应用协议信息元素）来减少功率损耗。 构成：BS（基站）（42）连续向多播组分配组播资源。 基站发送包括组播资源分配信息的下行控制信道。 MS（移动站）（41）基于接收到的MAP IE来识别MAP IE。 MS通过识别的MAP IE的组播资源分配信息确认连续分配的组播资源。 MS通过组播资源接收组播突发。
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Patent Agency Ranking
公开(公告)号：KR1020120071953A
公开(公告)日：2012-07-03
申请号：KR1020100133699
申请日：2010-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04L12/437 , H04W40/248
Abstract: PURPOSE: A routing information transmission method in a wireless network and routing apparatus thereof are provided to smoothly transmit routing information in environment where a bandwidth is restricted by creating a routing update message according to the priority of each link information. CONSTITUTION: A routing unit(310) searches a neighbor node. The routing unit exchanges the routing information with the searched neighbor node. A neighbor node information management unit(320) manages neighbor node information. A link information management unit(330) manages the topology information of a network in a link unit. A routing table management unit(340) updates routing tables when the link information is updated.
Abstract translation: 目的：提供一种无线网络中的路由信息传输方法及其路由设备，以便通过根据每个链路信息的优先级创建路由更新消息来平滑地传输带宽受限的环境中的路由信息。 构成：路由单元（310）搜索邻居节点。 路由单元与搜索到的邻居节点交换路由信息。 邻居节点信息管理单元（320）管理邻居节点信息。 链接信息管理单元（330）管理链路单元中的网络的拓扑信息。 当更新链路信息时，路由表管理单元（340）更新路由表。
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公开(公告)号：KR1020120012749A
公开(公告)日：2012-02-10
申请号：KR1020100131463
申请日：2010-12-21
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0091 , H04W72/0446 , H04W72/1263 , H04W84/18
Abstract: PURPOSE: A distributed scheduling method in a wireless mesh network based on OFDMA and a device thereof are provided to use a frame with a structure which can access resources by a sub channel. CONSTITUTION: A transceiving unit(810) transmits or receives a distributed scheduling message through a sub channel of a distributed scheduling sub frame of a data frame. A controller(820) generates a distributed scheduling message to be transmitted. The controller processes the received distributed scheduling message. The distributed scheduling message includes a transmission request message, a transmission approving message, and a transmission confirming message. The transmission request message, the transmission approving message, and the transmission confirming message are transmitted through different sub channels.
Abstract translation: 目的：提供一种基于OFDMA及其设备的无线网状网络中的分布式调度方法，以使用具有可通过子信道接入资源的结构的帧。 构成：收发单元（810）通过数据帧的分布式调度子帧的子信道发送或接收分布式调度消息。 控制器（820）生成要发送的分布式调度消息。 控制器处理接收到的分布式调度消息。 分布式调度消息包括传输请求消息，传输批准消息和传输确认消息。 发送请求消息，发送批准消息和发送确认消息通过不同的子信道发送。
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公开(公告)号：KR1020110090816A
公开(公告)日：2011-08-10
申请号：KR1020110009886
申请日：2011-02-01
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0053 , H04L5/0073 , H04L27/261 , H04W72/082 , H04W84/18
Abstract: PURPOSE: A communication apparatus and communication method are provided to establish time synchronization with maintaining guard interval length in a mesh network by a providing resource allocation method. CONSTITUTION: A transmission unit(101) transmits a first preamble in a first period section of a frame. An operation mode decision unit determines an operation mode of a communication apparatus reported through a fifth period section. A CH preamble signal generating unit(107) creates a cluster header preamble signal. An identifier generating unit(112) creates an identifier for entering an initial network. A node ranging signal generating unit(113) creates a node ranging signal including the identifier created by the identifier generating unit.
Abstract translation: 目的：提供一种通信装置和通信方法，以通过提供资源分配方法来建立时间同步，同时维护网状网络中的保护间隔长度。 构成：发送单元（101）在帧的第一周期部分中发送第一前导码。 操作模式决定单元确定通过第五周期段报告的通信装置的操作模式。 CH前同步信号生成单元（107）创建簇头前同步信号。 标识符生成单元（112）创建用于输入初始网络的标识符。 节点测距信号生成单元（113）创建包括由标识符生成单元生成的识别符的节点测距信号。
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公开(公告)号：KR1020110072670A
公开(公告)日：2011-06-29
申请号：KR1020090129701
申请日：2009-12-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
CPC classification number: H04W72/121 , H04W4/08 , H04W72/042
Abstract: PURPOSE: A method for assigning the radio resource to a plurality of terminals forming a group is provided to transmit only the control information for the terminal in which the transport format or the resources is changed. CONSTITUTION: An ABS(Advanced Base Station) adds the AMS(Advanced Mobile Station) in a group(S110). The ABS transmits the group scheduling information determined by the scheduling to a plurality of AMSs belonging to the group(S120). The group scheduling information comprises the terminal indication information and the resource information. The terminal indication information directs whether the information for the radio resource allocated to the AMS is changed or not. The resource information directs the changed radio resource of the AMS.
Abstract translation: 目的：提供一种用于将无线电资源分配给形成组的多个终端的方法，以仅传送传输格式或资源改变的终端的控制信息。 规定：ABS（高级基站）将AMS（高级移动台）添加到组（S110）中。 ABS将由调度确定的组调度信息发送给属于组的多个AMS（S120）。 组调度信息包括终端指示信息和资源信息。 终端指示信息指示分配给AMS的无线电资源的信息是否改变。 资源信息指示AMS的改变的无线电资源。
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公开(公告)号：KR1020110023727A
公开(公告)日：2011-03-08
申请号：KR1020100063858
申请日：2010-07-02
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/00 , H04L12/189 , H04W4/06 , H04W72/005 , H04W72/02
Abstract: PURPOSE: A data transmission method in a multicast/broadcast service is provided to efficiently support an MBS in a mobile wireless access system and to reduce power consumption of a mobile terminal. CONSTITUTION: A first allocating indicator indicates an allocated part for transmitting an MBS(Multicast/Broadcast Service) at a first transmission time. A second allocating indicator indicates an allocated par for transmitting the MBS at a second transmission time. A terminal receives a superframe header and confirms an MBS area(S200). An MAP IE(Information Element) is received from the MBS subframe(S210). It is determined whether there is a service flow in the MAP IE(S220).
Abstract translation: 目的：提供多播/广播服务中的数据传输方法，以有效地支持移动无线接入系统中的MBS，并降低移动终端的功耗。 构成：第一分配指示符表示在第一传输时间发送MBS（多播/广播业务）的分配部分。 第二分配指示符指示在第二传输时间发送MBS的分配的参数。 终端接收超帧头并确认MBS区域（S200）。 从MBS子帧接收MAP IE（信息元素）（S210）。 确定MAP IE中是否存在服务流（S220）。
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