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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：KR101377205B1
公开(公告)日：2014-03-21
申请号：KR1020120100121
申请日：2012-09-10
Applicant: 한국해양과학기술원 , 호서대학교 산학협력단
CPC classification number: H04B7/10 , H04B7/0617
Abstract: 본발명은단일편파신호를전송하는무선통신시스템의무선송수신신호처리장치에관한것으로서, 무선송신신호를수직편파안테나를통해전송하는제1송신RF모듈과, 수직편파안테나에접속되어수직편파안테나를통해수신된신호를처리하는제1수신RF모듈과, 수평편파안테나에접속되어수평편파안테나를통해수신된신호를처리하는제2수신RF모듈과, 신호전송시에는제1송신 RF모듈을통해수직편파안테나로만전송하고, 신호수신시에는수직편파안테나와수평편파안테나모두를통해수신되어제1 및제2수신RF모듈을통해수신된신호를다이버서티결합하여처리하는신호처리부를구비한다. 이러한단일편파신호를전송하는무선통신시스템의무선송수신신호처리장치에의하면, 서로다른채널환경을통과한편파신호를각 채널환경에맞는편파용빔 형성기를이용하여수신하게함으로써, 안테나간의간격을줄이면서도빔 이득과다이버서티이득을동시에얻을수 있다.
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公开(公告)号：KR1020140033800A
公开(公告)日：2014-03-19
申请号：KR1020120100121
申请日：2012-09-10
Applicant: 한국해양과학기술원 , 호서대학교 산학협력단
CPC classification number: H04B7/10 , H04B7/0617
Abstract: The present invention relates to an apparatus for processing wireless transmission/reception signals of a wireless communication system for transmitting a single polarization signal, which includes a first transmission RF module for transmitting the wireless transmission/reception signals through a vertical polarization antenna, a first reception RF module connected to the vertical polarization antenna to process a signal received through the vertical polarization antenna, a second reception RF module connected to a horizontal polarization antenna to process a signal received through the horizontal polarization antenna, and a signal processing unit for transmitting a signal only to the vertical polarization antenna through the first transmission RF module in signal transmission, and for receiving signal through both of the vertical polarization antenna and the horizontal polarization antenna to diversity-combine and process the signals received through the first and second reception RF modules in signal reception. According to the apparatus for processing the wireless transmission/reception signals of the wireless communication system for transmitting the single polarization signal, polarization signals passing through mutually- different channel environments are received by using a beam former for polarization suitable for each channel environment, thereby reducing the interval between antennas while obtaining a beam gain and a diversity gain. [Reference numerals] (21) First transmission RF module; (31) First reception RF module; (32) Second reception RF module; (41) Modulator; (42) First demodulator; (43) Second demodulator; (50) Diversity combiner; (60) Control unit
Abstract translation: 本发明涉及一种用于处理用于发送单极化信号的无线通信系统的无线发送/接收信号的装置，其包括用于通过垂直极化天线发送无线发送/接收信号的第一发送RF模块，第一接收 RF模块连接到垂直极化天线以处理通过垂直极化天线接收的信号;连接到水平极化天线的第二接收RF模块，以处理通过水平极化天线接收的信号;以及信号处理单元，用于发送信号 仅通过信号传输中的第一传输RF模块到垂直极化天线，并且通过垂直极化天线和水平极化天线两者接收信号，以分集组合并处理通过第一和第二接收RF接收的信号 信号接收模块。 根据用于处理用于发送单极化信号的无线通信系统的无线发送/接收信号的装置，通过使用适用于每个信道环境的用于极化的波束成形器来接收通过相互不同的信道环境的极化信号，从而减少 天线之间的间隔，同时获得波束增益和分集增益。 （附图标记）（21）第一发送RF模块; （31）第一接收RF模块; （32）第二接收RF模块; （41）调制器; （42）第一解调器; （43）第二解调器; （50）分集组合器; （60）控制单元
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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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公开(公告)号：KR101282489B1
公开(公告)日：2013-07-04
申请号：KR1020110119666
申请日：2011-11-16
Applicant: 한국해양과학기술원
CPC classification number: Y02A90/36
Abstract: 본 발명은 수중탐사 시 저주파 및 고주파 음파의 각각의 단점을 보완하고 장점을 살리기 위하여 이들 두 가지 주파수를 동시에 사용하는 것을 특징으로 하는 두 개의 운용 주파수를 갖는 정밀수중탐사용 수중초음파카메라 및 그 작동방법(일명, '멀티빔 소나')을 제공한다. 본 발명에 따르면 수중탐사 시 반사특성이 다른 두 가지 주파수를 동시에 사용하므로 수중 물체의 식별이 보다 용이한 장점이 있다. 즉, 고주파 음파의 경우 음파의 감쇠가 심하여 원거리 탐지가 어려운 단점이 존재하므로 저주파 음파와 함께 사용하여 서로간의 단점을 보완하는 것이다. 즉, 본 발명에 따르면 수중탐사 시 저주파 음파를 이용하여 원거리를 탐지함과 동시에 근거리에 대해서는 고주파 음파를 사용하여 고해상도 영상을 취득하는 것이 가능하며, 고주파 및 저주파의 영상 취득 결과를 상호 비교하는 과정을 통하여 수중 물체의 식별을 보다 용이하게 할 수 있다.
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Patent Agency Ranking
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公开(公告)号：KR101741637B1
公开(公告)日：2017-05-30
申请号：KR1020160035056
申请日：2016-03-24
Applicant: 한국해양과학기술원
CPC classification number: B60L11/18 , B60L15/20 , B61B13/00 , B61D15/00 , B65G35/00 , B65G49/00 , G01N23/04 , G05D1/02 , Y02T10/7258
Abstract: 본발명은컨테이너검색시스템에관한것으로서, 검사대상컨테이너를향해방사선을조사하는방사선조사부와, 방사선조사부와대향되게설치되어컨테이너를통과한방사선을검출하는검출부와, 검사대상컨테이너를탑재한차량을탑승하여방사선조사부와상기검출부사이에형성된검색로를따라주행하는이송대차및 이송대차가상기검색로를순환할수 있도록형성된순환궤도부를구비하고, 이송대차와검색로중 어느한 측에는이동자장을발생시키는선형유도모터의 1차측이형성되고, 타측에는이동자장에의한 2차와전류를유기하여선형추진력을생성하는 2차측리액션플레이트가형성되어있다. 이러한컨테이너검색시스템에의하면, 방사선검색구간에서선형모터방식으로이송대차를이송할수 있어양질의방사선검색영상을얻을수 있는장점을제공한다.
Abstract translation: 本发明涉及一种容器的搜索系统，船上的放射线照射部和放射线照射部和用于安装已经穿过容器通过检测辐射的相对侧检测部，从而，搭载了测试对象容器用于照射辐射向检查对象容器的车辆 放射线照射部和直链对具有传递卡车和转印卡车沿着形成于由搜索循环检测部分圆形的轨道之间形成的搜索旅行，并产生进料卡车和搜索中的任一侧的移动磁场 感应电动机的初级侧上形成，二次反应板，以创建通过在磁场中的有机二次涡流形成以移动另一侧的线性推力。 根据这样的容器，搜索系统，可以传送在马达辐射搜索区域以线性的方式转印卡车，提供的优点是，所得到的放射线图像搜索选项。
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公开(公告)号：KR101590822B1
公开(公告)日：2016-02-18
申请号：KR1020140174953
申请日：2014-12-08
Applicant: 한국해양과학기술원
IPC: H04L12/721 , H04L12/26
Abstract: 본발명은전송수율저하를극복하고, 신호대 잡음비 또는패킷전달성공률을라우팅메트릭으로하는기법의추정오차에따른성능저하및 오버헤드증가의문제점을극복할수 있는홉 간거리정보를이용하여종단간에패킷수신율을보장할수 있는에드혹라우팅방법에관한것으로, 상기패킷수신율을보장하는에드혹라우팅방법은, 에드혹통신에서의상향링크라우팅방법에있어서, 수신노드가송신노드로부터 RIM(S)를수신하는과정; RIM(S)에대하여무결성검사하는과정; 상기 RIM(S)에대한무결성검사에통과한것으로판단되면, 상향링크라우팅테이블(ULT)을생성하는과정; New RIM의값이 "1"인경우 RIM(N)을생성하는과정; 및상기 RIM(N)을방송하는과정을포함하여구성되어, 오류검사를위한오버헤드를사용하지않고 RIM 무결성검사를수행할수 있도록하여에드혹통신의라우팅시대역폭효율성을높일수 있는효과를제공한다.
Abstract translation: 本发明涉及一种通过使用跳数之间的距离信息来保证终端之间的分组接收比率的自组织路由方法，并且可以克服传输成功率劣化，并且解决诸如性能下降和由估计误差导致的开销增加的问题 技术，其使用信噪比或分组传输成功率作为路由度量方法。 在自组织通信的上行链路路由方式中，能够保证分组接收率的自组织路由方法包括以下处理：接收节点从发送节点接收RIM（S） 测试RIM（S）的完整性; 如果确定要通过RIM（S）的完整性测试，则产生上行链路路由表（ULT）; 如果新的RIM值为“1”，则产生RIM（N）; 并广播RIM（N）。 自组织路由方法提供了通过不使用错误测试的开销执行RIM完整性测试来提高自组织通信路由中带宽效率的效果。
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公开(公告)号：KR1020150072153A
公开(公告)日：2015-06-29
申请号：KR1020130159500
申请日：2013-12-19
Applicant: 한국해양과학기술원
CPC classification number: H04L25/03019 , H04L25/03 , H04L27/2697 , H04L27/01 , H04B10/612 , H04L29/10
Abstract: 본발명의일 실시예에따른패킷통신용수신기의채널등화및 수신데이터결정장치는미드앰블을갖는패킷의수신샘플열과상기미드앰블의위치정보를입력받는입력인터페이스부; 상기미드앰블의위치정보를이용하여상기수신샘플열을제1 및제2 부샘플열로분리하는샘플분할부; 및상기제1 및제2 부샘플열각각에대해채널등화기의채널등화알고리즘을이용하여채널등화를수행하는채널등화부를포함한다.
Abstract translation: 根据本发明的一个实施例，在分组通信接收机中使用的信道均衡和接收数据确定装置包括：输入接口单元，其接收包括midamble的分组的接收样本列和中间码的位置信息; 采样分割单元，其使用所述中间码的位置信息将所述接收样本列分离为第一子样本列和第二子样本列; 以及信道均衡器单元，其分别使用用于第一子采样列和第二子采样列的信道均衡器的信道均衡算法进行信道均衡操作。
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