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公开(公告)号：WO2020235743A1
公开(公告)日：2020-11-26
申请号：PCT/KR2019/008750
申请日：2019-07-16
Applicant: 한국해양과학기술원
IPC: G02B6/02
Abstract: 본 발명의 목적은 잡음을 추정하고 보상함으로써 광섬유 내에서 매질의 깊이를 깊게 식별함과 아울러 획득한 매질 정보의 정확도를 향상시킬 수 있는 시간 영역에서의 계층 식별 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명에 따른 시간 영역에서의 계층 식별 방법은, 매질 내에서 신호의 전달을 표현하기 위한 커플드 모드 방정식(Coupled Mode Equations)을 제공하는 제 1 단계(S100)와, 상기 커플드 모드 방정식을 이산화(Discretized)시키는 제 2 단계(S200)와, 이산화시 발생하는 역산란 문제를 해결하기 위해 가산성 백색 가우시안 잡음을 갖는 생성 행렬(Generator Matrix)을 적용하는 제 3 단계(S300)와, 상기 생성 행렬의 초기값(Initial Value)에서 시작하여 상기 커플드 모드 방정식에 의해 정의된 재귀적 절차에 의해 잡음을 갖는 반사 계수를 획득하는 제 4 단계(S400)와, 상기 잡음을 순차적으로 추정하고 보상하면서 상기 매질의 깊이를 식별하는 제 5 단계를 포함하는 것을 특징으로 한다.
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公开(公告)号：WO2018139886A1
公开(公告)日：2018-08-02
申请号：PCT/KR2018/001142
申请日：2018-01-25
Applicant: 한국해양과학기술원
IPC: H04L12/841 , H04L12/26 , H04L12/801 , H04J3/06 , H04L12/875 , H04L12/863
Abstract: 본 발명은 수중 무선 이동 네트워크를 위한 스케쥴링 방법에, 관한 것으로， 특히 시간 영역에서 충돌이 발생하지 않는 스케줄링 방법을 고려하되 특정 순간에 전송 시간이 겹치지 않도록 직교화하기 보다는 음파의 전달 속도 및 패킷 길이를 고려하여 싱크 노드에서 패킷이 패킷 트레인 형태로 연속적으로 수신되도록 하여 네트워크 효율을 향상 시킬 수 있는, 수중 무선 이동 네트워크를 위한 스케쥴링 방법에 관한 것이다.
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公开(公告)号：KR101778503B1
公开(公告)日：2017-09-14
申请号：KR1020160035754
申请日：2016-03-25
Applicant: 한국해양과학기술원
CPC classification number: G01N23/043 , G01N2021/177
Abstract: 본발명에따른화물검사정보제공방법은화물검사정보제공장치에서수행된다. 상기화물검사정보제공방법은적어도하나의물체가포함된화물에대한방사선이미지를획득하는단계; 상기획득된방사선이미지및 상기화물과연관된적하목록을기초로, 상기방사선이미지에서상기적하목록에포함되어있지않은물체를식별하는단계; 상기적하목록에포함되어있지않은물체에대한식별정보를포함하는화물검사정보를생성하는단계; 및상기생성된화물검사정보를, 상기화물에대한개폐작업을수행하는작업자가관리하는작업자단말로전송하는단계;를포함한다. 본발명에따르면, 화물검사에대한시간효율을향상시킬수 있으며, 특히, 방사선을이용한화물검사이후, 작업자에의하여수행되는개폐작업효율을보다향상시킬수 있다.
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Patent Agency Ranking
公开(公告)号：KR101767385B1
公开(公告)日：2017-08-11
申请号：KR1020170026227
申请日：2017-02-28
Applicant: 한국해양과학기술원
IPC: G01N23/04
CPC classification number: G01N23/043
Abstract: 본발명은순환식이송구조를갖는컨테이너검색시스템에관한것으로서, 검사대상컨테이너를향해방사선을조사하는방사선조사부와, 방사선조사부와대향되게설치되어컨테이너를통과한방사선을검출하는검출부와, 검사대상컨테이너를탑재한차량을탑승하여방사선조사부와상기검출부사이에형성된검색로를따라주행하는이송대차및 이송대차가상기검색로를순환할수 있도록형성된순환궤도부와, 검사대상컨테이너를탑재한차량이이송대차에탑승또는하차시이송대차가순환궤도부에대해고정상태를유지할수 있도록순환궤도부상에이송대차를순환궤도부에대해고정또는고정해제할수 있게설치된이송대차고정부를구비한다. 이러한컨테이너검색시스템에의하면, 방사선검색구간에서선형모터방식으로이송대차를이송할수 있으면서차량의탑승및 하차가고정상태에서안정적으로이루어져양질의방사선검색영상을얻기위한제어가효율적으로이루어질수 있는장점을제공한다.
Abstract translation: 本发明循环为具有传输结构，和用于照射向检查对象容器的放射线的放射线照射部的容器检索系统的表达，被安装成相对的放射线照射部和用于检测已经通过所述容器通过的辐射，测试对象容器的检测器 上板配备有放射线照射单元和转移卡车和转印卡车的车辆是一个圆形的轨迹部分，并且形成配备有检查对象容器的车辆将被循环到搜索运输卡车沿着所述检测器之间定义的搜索行驶 当下车到运输卡车登机或者被转移到圆轨道伤害余额将在圆形截面保持固定的圆形轨道和轨道部设置成宋车库政府定价或取消固定。 根据这样的容器，一个检索系统，同时能够传达输送卡车在辐射搜索部的线性马达系统提供了登机和下车车辆的由在固定状态，以用于获得高品质的放射线搜索图像稳定控制可以有效地实现的优点 的。
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公开(公告)号：KR101719633B1
公开(公告)日：2017-04-04
申请号：KR1020130159466
申请日：2013-12-19
Applicant: 한국해양과학기술원
Abstract: 시분할다중접속(TDMA) 기반통신제어장치가개시된다. 본발명의일 실시예에따른통신제어장치는현재시각으로부터제1 유형데이터의송신또는수신이예약된예약슬롯의시작시각까지의대기시간길이를체크하는시간길이체크부; 상기제1 유형데이터와상이한주파수대역으로전송되는제2 유형데이터및 제3 유형데이터중 적어도하나의데이터를이용하여상기대기시간길이보다작거나같은시간길이를가지는데이터집합을구성하는데이터집합구성부; 및상기대기시간동안상기구성된데이터집합을전송하는전송부를포함한다.
Abstract translation: 公开了一种基于时分多址（TDMA）的通信控制装置。 根据本发明的一个实施例的通信控制装置，该单元检查的等待时间长度kkajiui启动所述第一类型的数据时隙长度的从时间来检查的预约调度传输或接收的时间; 使用在与所述第一类型数据不同的频带中发送的第二类型数据和第三类型数据中的至少一个来构成具有小于或等于所述等待时间长度的时间长度的数据集的数据集， 。 并且在等待时间期间用于发送配置的数据集的发送器。
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公开(公告)号：KR1020140122889A
公开(公告)日：2014-10-21
申请号：KR1020130039900
申请日：2013-04-11
Applicant: 한국해양과학기술원
IPC: H04L12/741 , H04W84/18
Abstract: A packet processing method in a network layer for a ship ad hoc network (SANET) according to the present invention comprises the steps of receiving upper layer data from an upper layer; and attaching an address header to the upper layer data to construct a network packet by referring to a route table, wherein in the step of constructing the network packet, the address header is expressed by using a maritime mobile service identity (MMSI) number of a ship or a base station.
Abstract translation: 根据本发明的用于船舶自组织网络（SANET）的网络层中的分组处理方法包括以下步骤：从上层接收上层数据; 以及通过参考路由表将地址头附加到上层数据以构建网络分组，其中在构建网络分组的步骤中，地址头部通过使用海上移动业务标识（MMSI）号码来表示 船或基站。
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公开(公告)号：KR101386394B1
公开(公告)日：2014-04-17
申请号：KR1020130089501
申请日：2013-07-29
Applicant: 한국해양과학기술원
CPC classification number: H04B7/0452 , H04B7/0456 , H04B7/0619 , H04B7/15542
Abstract: The present invention relates to a communications method which is capable of effectively increasing the communications capacity of a multiuser multi-input multi-output cellular communications system which provides two-way relay. According to the present invention, provided is a method for optimizing an achievement rate of the multiuser multi-input and multi-output two-way relay communications system which is capable of effectively increasing the communications capacity through the achievement rate optimization by solving the problem of not knowing the method of effectively increasing the communications capacity in an existing cellular communications system. Wherein, the improved cellular communications system includes one base station having a plurality of transmission and reception antenna systems, and a plurality of communications terminal nodes having one relay node and one transmission and reception antenna. [Reference numerals] (S21) Selecting N user terminal nodes corresponding to a number smaller between N_B and N_V and generating each channel matrix from a base station node to a relay node and from a user terminal node to a relay node; (S22) Generating a codeword vector to be transmitted from the user terminal node and the base station through grid encoding; (S23) Generating each encoding matrix showing a codeword vector to be transmitted from a k^th user terminal node to the base station through horizontal encoding of the user terminal nodes; (S24) Generating a transmission signal of the base station node through linearization encoding; (S25) Generating a transmission signal of the user terminal node; (S26) Generating a reception signal received in the relay node; (S27) Decoding each codeword using a horizontal successive interference cancellation from the received signal; (S28) Encoding the decoded signal in the relay node through a grid symbol, transmitting the signal to each of the base station node and user terminal node and receiving its own signal using the grid symbol from the each of the base station node and user terminal node; (S29) Optimizing the achievement rate of the entire communications system to make an achievement rate be the maximum which can be obtained through two-way relay
Abstract translation: 本发明涉及能够有效提高提供双向中继的多用户多输入多输出蜂窝通信系统的通信能力的通信方法。 根据本发明，提供了一种用于优化多用户多输入多输出双向中继通信系统的实现速率的方法，其能够通过实现速率优化有效地增加通信容量，通过解决问题 不了解现有蜂窝通信系统中有效增加通信容量的方法。 其中，改进的蜂窝通信系统包括具有多个发送和接收天线系统的一个基站和具有一个中继节点和一个发送和接收天线的多个通信终端节点。 （S21）选择与N_B和N_V之间的数目相对应的N个用户终端节点，并从基站节点到中继节点以及从用户终端节点到中继节点生成每个信道矩阵; （S22）通过网格编码生成要从用户终端节点和基站发送的码字矢量; （S23）通过用户终端节点的水平编码，生成表示要从第k个用户终端节点向基站发送的码字向量的每个编码矩阵; （S24）通过线性化编码生成基站节点的发送信号; （S25）生成用户终端节点的发送信号; （S26）生成在中继节点中接收到的接收信号; （S27）使用来自接收信号的水平连续干扰消除来解码每个码字; （S28）通过网格符号对中继节点中的解码信号进行编码，将信号发送到基站节点和用户终端节点，并使用来自基站节点和用户终端中的每一个的网格符号接收其自己的信号 节点; （S29）优化整个通信系统的实现速度，使成功率达到最大可以通过双向中继获得
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公开(公告)号：KR101346200B1
公开(公告)日：2014-01-03
申请号：KR1020130013708
申请日：2013-02-07
Applicant: 한국해양과학기술원
CPC classification number: H04B7/15528 , H04B7/0413
Abstract: The present invention relates to a method for effectively improving communication capacity of a multiuser multi-input multi-output cellular communication system which allows two-way relay, according to the present invention, effectively improves a communication capacity in an cellular communication system by enabling network coding which is unknown in an existing cellular communication system which comprises a plurality of communication terminal nodes having one base station having a plurality of transmission/reception antennae, one relay node and one transmission/reception antenna. [Reference numerals] (S21) Selecting N user terminal nodes corresponding to a smaller number between N_B and N_V; (S22) Generating a channel matrix from base station node to relay node and a channel matrix from user terminal node to relay node; (S23) Generating a codeword vector to be transmitted from the base station to the k^th user terminal node and a a codeword vector to be transmitted from the k^th user terminal node to the base station through horizontal encoding of the user terminal nodes; (S24) Generating a transmission signal of the base station node through linear line-encoding; (S25) Generating a transmission signal of the user terminal node; (S26) Generating a reception signal received in the relay node; (S27) Decoding each codeword from the reception signal using a horizontal sequential interference cancellation method; (S28) Encoding the decoded signal through a grid code in the relay node and transmitting to each base station node and user terminal node; (S29) Decoding its own signal from the signal encoded by the grid code in the each base station node and user terminal node
Abstract translation: 本发明涉及一种有效提高多用户多输入多输出蜂窝通信系统的通信能力的方法，该多用户多输入多输出蜂窝通信系统允许双向中继，根据本发明，通过启用网络有效地提高了蜂窝通信系统中的通信容量 编码在现有的蜂窝通信系统中是未知的，其包括具有一个具有多个发送/接收天线的基站的多个通信终端节点，一个中继节点和一个发送/接收天线。 （S21）选择与N_B和N_V之间的较小数目对应的N个用户终端节点; （S22）从基站节点向中继节点生成信道矩阵，从用户终端节点向中继节点生成信道矩阵; （S23）通过用户终端节点的水平编码，生成要从基站发送到第k个用户终端节点的码字向量和要从第k个用户终端节点发送到基站的码字向量; （S24）通过线性编码生成基站节点的发送信号; （S25）生成用户终端节点的发送信号; （S26）生成在中继节点中接收到的接收信号; （S27）使用水平顺序干扰消除方法从接收信号中解码每个码字; （S28）通过中继节点中的网格码对解码信号进行编码，并发送给各个基站节点和用户终端节点; （S29）从由每个基站节点和用户终端节点中的网格码编码的信号解码其自己的信号
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