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公开(公告)号：KR101413295B1
公开(公告)日：2014-06-30
申请号：KR1020100109306
申请日：2010-11-04
Applicant: 한국전자통신연구원
IPC: G06F15/16 , G06F15/177 , H04L29/06
CPC classification number: G06F9/545
Abstract: 본 발명에 따른, DDS(Data Distribution Service)를 구성하는 노드는, 제1 DCPS(Data-Centric Publish-Subscribe) 계층 및 제1 RTPS(Real-Time Publish-Subcribe) 계층을 가지는 제1 DDS 어플리케이션; 및 상기 제1 RTPS(Real-Time Publish-Subcribe) 계층과 통신하는 제2 DCPS(Data-Centric Publish-Subscribe) 계층을 가지는 제2 DDS 어플리케이션을 포함하는 것을 특징으로 한다.
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公开(公告)号：KR101407054B1
公开(公告)日：2014-06-12
申请号：KR1020100108148
申请日：2010-11-02
Applicant: 한국전자통신연구원
CPC classification number: H04L12/1836
Abstract: 멀티캐스팅 방식 및 브로드캐스팅 방식 중 적어도 하나를 이용하여 통신개체를 탐색하는 통신 개체 탐색 방법은 제1 로컬 도메인내의 적어도 하나의 제1 통신개체와 제2 로컬 도메인내의 적어도 하나의 제2 통신개체를 연결하는 경유 네트워크가 상기 브로드캐스팅 방식 및 상기 멀티캐스팅 방식을 지원하지 않는 경우, 제1 탐색 게이트웨이에서 상기 제2 로컬 도메인 내의 제2 탐색 게이트웨이-여기서, 상기 제2 탐색 게이트웨이는 상기 제1 탐색 게이트웨이와 연결된 다른 모든 탐색 게이트웨이들 중의 하나임-에게 상기 경유 네트워크를 통하여 탐색 요청을 전송하는 단계를 포함한다. 네트워크 상에서 상호작용이 필요한 통신개체들이 상호간에 연결을 수행하기 위해 필요한 정보를 모르는 상태에서 두 통신 개체 사이에 멀티캐스팅 및 브로드캐스팅이 지원되지 않는 경유 네트워크가 존재하는 경우에도 상대방 통신 개체에 대한 연결 정보를 검색할 수 있는 방법을 제공함으로써 글로벌 수준에서 데이터 교환, 서비스제공 등의 기능을 수행할 수 있다.
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公开(公告)号：KR101781159B1
公开(公告)日：2017-09-22
申请号：KR1020100131003
申请日：2010-12-20
Applicant: 한국전자통신연구원
IPC: H04L12/26 , H04L12/18 , H04L12/801 , H04L12/855
CPC classification number: H04L12/1868 , H04L43/0882
Abstract: 본발명은데이터분배서비스에서경량멀티캐스트를제공하는방법및 장치를제공한다. 경량멀티캐스트제공장치는복수의구독자노드단말로패킷을멀티캐스트하며, 복수의구독자노드단말중 패킷을수신하지못한해당구독자노드단말이전달하는부정응답메시지를이용하여네트워크의혼잡발생원인을검출하는네트워크혼잡검출부및 네트워크혼잡검출부에서검출한혼잡발생원인에따라복구제어정책을결정하여혼잡발생원인을해결하는네트워크복구제어부를포함한다.
Abstract translation: 本发明提供了一种用于在数据分配服务中提供轻量级组播的方法和装置。 轻质多播服务装置及多播分组到多个用户节点的终端，通过失败的多个网络的订户节点终端在到达否定确认消息，以检测网络的拥塞的原因发生之前接收的分组的用户节点终端 以及网络恢复控制单元，用于根据由拥塞检测单元和网络拥塞检测单元检测到的拥塞的原因来确定恢复控制策略以解决拥塞的原因。
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公开(公告)号：KR1020130091098A
公开(公告)日：2013-08-16
申请号：KR1020120012367
申请日：2012-02-07
Applicant: 한국전자통신연구원
IPC: H04L12/413
CPC classification number: H04L12/4035
Abstract: PURPOSE: An apparatus for transmitting a node search message and a method thereof are provided to schedule node search message transmission among nodes independently, in order to exchange the required node search message efficiently. CONSTITUTION: A discovery window slot (DWS) calculation part (220) generates slot information for a search window of a search frame in a prior round by using time slot information. A discovery window (DW) size determining part (230) determines the size of the search window in the current round by using the slot information for the search window. A DWS selection part (240) selects a DWS to assign a node discovery message (NDM) to transmit in the current round on the basis of the size of the search window. An NDM processing part (250) transmits the NDM in the time corresponding to the DWS. [Reference numerals] (210) MAC layer information collecting part; (220) Discovery window slot (DWS) calculation part; (230) Discovery window (DW) size determining part; (240) DWS selection part; (250) NDM processing part
Abstract translation: 目的：提供一种用于发送节点搜索消息的装置及其方法，用于独立地调度节点之间的节点搜索消息传输，以便有效地交换所需的节点搜索消息。 构成：发现窗口时隙（DWS）计算部分（220）通过使用时隙信息在前一轮中为搜索帧的搜索窗口生成时隙信息。 发现窗口（DW）尺寸确定部件（230）通过使用搜索窗口的时隙信息确定当前轮次中的搜索窗口的大小。 DWS选择部分（240）选择DWS以基于搜索窗口的大小来分配在当前轮次中发送的节点发现消息（NDM）。 NDM处理部分（250）在对应于DWS的时间内发送NDM。 （附图标记）（210）MAC层信息收集部; （220）发现窗口槽（DWS）计算部分; （230）发现窗口（DW）尺寸确定部分; （240）DWS选择部分; （250）NDM加工部件
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公开(公告)号：KR1020130067847A
公开(公告)日：2013-06-25
申请号：KR1020110134834
申请日：2011-12-14
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An air patrol system using an unmanned aerial vehicle and a method for the same are provided to remotely monitor the existence of the generation an abnormal state in a monitoring target area at a ground control indicator in a safe area. CONSTITUTION: An air patrol method using an unmanned aerial vehicle is as follows. Image data with respect to a POI(Point Of Interest) which is a target of a patrol is obtained by a plurality of unmanned aerial vehicles(100). The obtained image data of the POI is transmitted to a ground control indicator(200). The ground control indicator analyzes the image data of the POI transmitted by the unmanned aerial vehicles, thereby monitoring the existence of the presence of abnormal objects in the POI. When the abnormal objects are existed in the POI, flight control signals are transmitted to the unmanned aerial vehicle transmitted the image data of the abnormal objects so that the aerial vehicle traces the abnormal objects and transmits the image data thereof to the ground control indicator.
Abstract translation: 目的：提供一种使用无人驾驶飞行器的空中巡逻系统及其方法及其方法，以便在安全区域的地面控制指示器的远程监测目标区域的异常状态的存在。 构成：使用无人机的空中巡逻方法如下。 通过多台无人驾驶飞行器（100）获得关于作为巡视目标的POI（兴趣点）的图像数据。 获得的POI图像数据被发送到地面控制指示器（200）。 地面控制指示器分析由无人驾驶飞行器发送的POI的图像数据，从而监测POI中是否存在异常物体。 当POI中存在异常物体时，将飞行控制信号发送到无人机，发送异常物体的图像数据，使飞行器跟踪异常物体，并将其图像数据发送到地面控制指示器。
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Patent Agency Ranking
公开(公告)号：KR1020130055423A
公开(公告)日：2013-05-28
申请号：KR1020110121167
申请日：2011-11-18
Applicant: 한국전자통신연구원
CPC classification number: G06Q10/06 , H04L41/0873
Abstract: PURPOSE: A QoS(Quality of Service) support device in middleware for a data distribution service and a method thereof are provided to preferentially process a QoS policy having higher priority by checking the compatibility and consistency of QoS policy sets and grouping QoS policies having correlations. CONSTITUTION: A QoS policy analyzing unit(300) extracts a QoS policy set related to publication and subscription set in DCPS(Data Centric Publish Subscribe) to analyze QoS policies. A QoS policy management unit(400) determines the consistency of the QoS policies of a data distribution service and negotiates for the QoS policies for the communication of the data distribution service. A QoS policy processing unit(500) processes the QoS policies of the data distribution service. The QoS policy management unit includes a QoS policy consistency checking unit determining the consistency of the QoS policies. [Reference numerals] (300) QoS policy analyzing unit; (420) QoS policy consistency inspection module; (440) QoS policy negotiation module; (460) QoS policy scheduling module; (520) Data processing module; (540) Resource allocation module; (560) Traffic processing module
Abstract translation: 目的：提供数据分发服务中间件中的QoS（Quality of Service，支持服务质量）支持设备及其方法，通过检查QoS策略集的兼容性和一致性以及对具有相关性的QoS策略进行分组，优先处理具有较高优先级的QoS策略。 构成：QoS策略分析单元（300）提取与DCPS（数据中心发布订阅）中的发布和订阅集相关的QoS策略集，以分析QoS策略。 QoS策略管理单元（400）确定数据分发服务的QoS策略的一致性，并协商用于数据分发服务的通信的QoS策略。 QoS策略处理单元（500）处理数据分发服务的QoS策略。 QoS策略管理单元包括确定QoS策略的一致性的QoS策略一致性检查单元。 （300）QoS策略分析单元; （420）QoS策略一致性检查模块; （440）QoS策略协商模块; （460）QoS策略调度模块; （520）数据处理模块; （540）资源分配模块; （560）流量处理模块
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公开(公告)号：KR1020140137573A
公开(公告)日：2014-12-03
申请号：KR1020130058229
申请日：2013-05-23
Applicant: 한국전자통신연구원
IPC: G06F12/00
CPC classification number: G06F12/023 , G06F12/0284
Abstract: 본 발명은 가상-물리 시스템(Cyber Physical System; CPS)에서 DDS 미들웨어를 위해 할당받은 메모리를 페이지 단위로 분할하여 DDS 미들웨어의 쓰레드에 할당하고, 쓰레드가 사용을 완료한 메모리 페이지를 재사용할 수 있도록 하는, DDS 미들웨어의 쓰레드를 위한 메모리 관리 장치 및 방법을 개시한다.
Abstract translation: 本发明公开了一种存储器管理装置和存储器管理方法，其中分配给网络物理系统（CPS）中的DDS中间件的存储器可以以页面为单位划分并分配给DDS中间件的线程，以及 线程完全使用的内存页面可以重复使用。
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公开(公告)号：KR1020130118593A
公开(公告)日：2013-10-30
申请号：KR1020120041577
申请日：2012-04-20
Applicant: 한국전자통신연구원
CPC classification number: G06F9/544 , G06F2209/548
Abstract: PURPOSE: An apparatus for processing data in middleware for data distribution service (DDS) and a method thereof are provided to manage memory resource used for network thread, writer/reader thread and the driving of application in DDS middleware. CONSTITUTION: A network thread management module (10) manages network thread having a socket transmitting and receiving data with the network in a real time publish-subscribe (RTPS) layer which is data transmission layer of middle for DDS, by using thread pool. A lock-free queue management module (20) manages lock-free queue transmitting and receiving the data with the network thread as having lock-free function. A writer/reader thread management module (30) performs the management so that writer thread or reader thread transmits and receives data with the lock-free queue and performs behavior in the RTPS layer. [Reference numerals] (100) Network thread; (200a) Writer lock free queue; (200b) Reader lock free queue; (300a) Writer thread; (300b) Reader thread; (40) Memory management module; (400a) Writer work queue; (400b) Reader work queue
Abstract translation: 目的：提供一种用于处理数据分发服务（DDS）中间件数据的设备及其方法，用于管理用于网络线程，写入/读取器线程和DDS中间件应用程序驱动的内存资源。 构成：网络线程管理模块（10）通过使用线程池来管理网络线程，网络线程通过网络在实时发布订阅（RTPS）层中发送和接收数据，该实时发布订阅（RTPS）层是DDS的中间数据传输层。 无锁队列管理模块（20）管理无锁队列，将网络线程的数据发送和接收为具有无锁功能。 写入器/读取器线程管理模块（30）执行管理，使得写入器线程或读取器线程使用无锁定队列发送和接收数据，并在RTPS层中执行行为。 （附图标记）（100）网络线程; （200a）Writer锁定空闲队列; （200b）读卡器无锁队列; （300a）作者线程; （300b）阅读器线程; （40）内存管理模块; （400a）作家工作队列; （400b）读卡器工作队列
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公开(公告)号：KR1020120071576A
公开(公告)日：2012-07-03
申请号：KR1020100133176
申请日：2010-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04L67/1065
Abstract: PURPOSE: A distributed hash table based RTPS(Real-Time Publish Subscribe) discovery method, apparatus, and system thereof are provided to operate an SPDP(Simple Participant Discovery Protocol) through unicast by acquiring the location information of an RTPS(Real-Time Publish Subscribe) participant peer through the DHT(Distributed Hash Table) of an overlay network. CONSTITUTION: A participant peer(124) of a participant(134) registers the participant in a DHT of an overlay network. The participant peer acquires the location information of the opponent participant from the DHT. The participant peer exchanges discovery messages with the peer of the participant. Objects of the participant execute handshaking with the object of the opponent participant.
Abstract translation: 目的：提供基于分布式哈希表的RTPS（实时发布订阅）发现方法，装置和系统，以通过单播来操作SPDP（简单参与者发现协议），通过获取RTPS（实时发布）的位置信息 订阅）参与者通过覆盖网络的DHT（分布式散列表）。 构成：参与者（134）的参与者对等体（124）将参与者注册在覆盖网络的DHT中。 参与者同行从DHT获取对方参赛者的位置信息。 参与者对等体与参与者的对等体交换发现消息。 参与者的对象与对手参与者的对象进行握手。
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公开(公告)号：KR1020120048742A
公开(公告)日：2012-05-16
申请号：KR1020100109306
申请日：2010-11-04
Applicant: 한국전자통신연구원
IPC: G06F15/16 , G06F15/177 , H04L29/06
CPC classification number: G06F9/545
Abstract: PURPOSE: A DDS structure and a node for configuring the same are provided to simplify a discovery function of an RTPS by implementing a message reception function through a socket of a kernel. CONSTITUTION: A kernel module includes a first RTPS(Real-Time Publish-Subscribe)layer. A DDS(Data Distribution Service) application(501) is composed of a DCPS(Data-Centric Publish-Subscribe) layer(402) and a second RTPS layer. The second RTPS includes an RTPS socket which connects first and second RTPS layers and receives first RTPS layer in a socket type.
Abstract translation: 目的：提供DDS结构和用于配置其的节点，以通过内核的套接字实现消息接收功能来简化RTPS的发现功能。 规定：内核模块包含第一个RTPS（实时发布 - 订阅）层。 DDS（数据分发服务）应用程序（501）由DCPS（以数据为中心的发布订阅）层（402）和第二RTPS层组成。 第二RTPS包括连接第一和第二RTPS层并且以套接字类型接收第一RTPS层的RTPS套接字。
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