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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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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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Patent Agency Ranking
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：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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公开(公告)号：KR1020110023726A
公开(公告)日：2011-03-08
申请号：KR1020100063857
申请日：2010-07-02
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A service state information transmission method of a femto base station in a wireless communication system which transmits service state information of a femto base station to a neighboring base station is provided to efficiently update a neighboring base station list in a wireless communication system. CONSTITUTION: A femto base station(20) is scheduled to interrupt a service. The service interruption data includes prediction service interruption time according to the scheduling of the service interruption. The service interruption data includes a handover control flag of femto bases station execution in a hand-over process. The service interruption data are transmitted through a broadcast message or a paging message.
Abstract translation: 目的：提供一种无线通信系统中的毫微微基站的服务状态信息发送方法，该无线通信系统向毫微微基站发送毫微微基站的业务状态信息，以有效地更新无线通信系统中的相邻基站列表。 规定：毫微微基站（20）被安排中断服务。 服务中断数据包括根据服务中断的调度的预测服务中断时间。 服务中断数据包括在切换过程中毫微微基站执行的切换控制标志。 服务中断数据通过广播消息或寻呼消息发送。
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公开(公告)号：KR1020110002818A
公开(公告)日：2011-01-10
申请号：KR1020100064129
申请日：2010-07-02
Applicant: 한국전자통신연구원
IPC: H04B7/26
CPC classification number: H04W48/08 , H04W84/045 , H04L5/0098
Abstract: PURPOSE: A method for operating a femto base station based on a radio access system is provided to efficiently manage a femto base station in a wireless mobile connection system which supports a femto cell. CONSTITUTION: A femto BS(Base Station) receives the information of a mobile station which enters an idle mode(S331), and receives the information on the mobile station which enters a sleep mode(S332). The femto BS determines an LDO(Low Duty Operation) cycle(S340), and transmits to each mobile station the LDO related information including a determined LDO cycle(S351,S352). Based on the change LDO pattern, the femto base station is managed in the changed LDO mode(S360).
Abstract translation: 目的：提供一种基于无线电接入系统操作毫微微基站的方法，用于在支持毫微微小区的无线移动连接系统中有效地管理毫微微基站。 构成：毫微微BS（基站）接收进入空闲模式的移动台的信息（S331），并接收进入睡眠模式的移动台上的信息（S332）。 毫微微BS确定LDO（低占空比操作）周期（S340），并向每个移动台发送包括确定的LDO周期的LDO相关信息（S351，S352）。 基于改变的LDO模式，以改变的LDO模式管理毫微微基站（S360）。
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公开(公告)号：KR1020100118546A
公开(公告)日：2010-11-05
申请号：KR1020100039725
申请日：2010-04-28
Applicant: 한국전자통신연구원
CPC classification number: Y02D70/00 , H04W52/0225
Abstract: PURPOSE: A method for saving power is provided to allocate source in a terminal to operate receiver only in a specific frame which predicts reception of real-time service flow, thereby reducing the power saving of the terminal. CONSTITUTION: A terminal receives an AAI_CM-CMD(Advanced Air Interface_Carrier Management-Command) message from a base station. The terminal activates secondary carrier among a plurality of carrier wave according to the AAI_CM-CMD(Advanced Air Interface_Carrier Management-Command) message. The terminal receives a first service data through activated sub carrier in a first frame. The terminal receives a second service data through activated secondary carrier in a second frame. An interval of a first frame and a second frame is determined according to the receiving standby interval information within service flow information.
Abstract translation: 目的：提供一种省电方法，用于在终端中分配源，仅在预测接收实时业务流的特定帧中操作接收机，从而减少终端的功率节省。 规定：终端从基站接收到AAI_CM-CMD（Advanced Air Interface_Carrier Management-Command）消息。 终端根据AAI_CM-CMD（Advanced Air Interface_Carrier Management-Command）消息在多个载波中激活辅载波。 终端在第一帧中通过激活的子载波接收第一服务数据。 终端在第二帧中通过激活的辅助载波接收第二服务数据。 根据服务流信息中的接收待机间隔信息确定第一帧和第二帧的间隔。
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