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公开(公告)号：KR1020130022793A
公开(公告)日：2013-03-07
申请号：KR1020110085706
申请日：2011-08-26
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A hierarchical routing method for supporting the movement of a synchronization node in a wireless sensor network is provided to allow a routing path to avoid an inefficient path by enabling a mobile synchronization node to transmit a message for updating a routing table. CONSTITUTION: The existence of a single node is determined(S240). When there is a single node, the continuity of a cluster head is determined(S245). When the cluster head was selected with third time in succession, a routing path is updated(S250). A near node is registered in an NNT(Neighbor Node Table)(S255). A node which is far from the NNT is eliminated(S260). [Reference numerals] (AA) Start; (BB) Early NNT setting step; (CC,FF,HH) No; (DD,GG,II) Yes; (JJ) End; (S210) Searching neighboring nodes; (S215) Does an identical ID exists in the NNT?; (S220) Setting a D type; (S225) Setting an N type; (S230) Setting 1 for 4 near nodes and 0 for a far node; (S235) Registering in the NNT; (S240) Is there a node with the N type and 1?; (S245) Is a cluster head continuously selected three times?; (S250) Updating a routing path; (S255) Setting 0 for the near nodes, and registering in the NNT; (S260) Removing the far node from the NNT
Abstract translation: 目的：提供用于支持无线传感器网络中的同步节点的移动的分层路由方法，以允许路由路径通过使移动同步节点发送用于更新路由表的消息来避免低效路径。 规定：确定单个节点的存在（S240）。 当存在单个节点时，确定簇头的连续性（S245）。 当连续第三次选择簇头时，路由路径被更新（S250）。 在NNT（邻居节点表）中登记近端节点（S255）。 远离NNT的节点被消除（S260）。 （附图标记）（AA）开始; （BB）早期NNT设定步骤; （CC，FF，HH）否; （DD，GG，II）是; （JJ）结束; （S210）搜索邻近节点; （S215）NNT中是否存在相同的ID？ （S220）设定D型; （S225）设定N型; （S230）设置1为4个近点节点，0为远节点; （S235）在NNT中注册; （S240）有N节点和1节点吗？ （S245）是否连续选择三个簇头？ （S250）更新路由路径; （S255）为邻近节点设置0，并在NNT中注册; （S260）从NNT中删除远端节点
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公开(公告)号：KR1020130022788A
公开(公告)日：2013-03-07
申请号：KR1020110085700
申请日：2011-08-26
Applicant: 목포대학교산학협력단
CPC classification number: H04W36/023 , H04L47/29 , H04L47/32
Abstract: PURPOSE: A packet forwarding control method for improving a TCP(Transmission Control Protocol) performance is provided to allow a user to use a smooth handoff method and a RED(Random Early Detection) buffer management method in a mobile IP(Internet Protocol) path optimization process. CONSTITUTION: A portable terminal forwards packets received from a terminal corresponding to a first FA(Foreign Agent) to a second FA via a buffer of a base station. The corresponding terminal does not catch an access point of the portable terminal. The base station manages the first FA. The base station determines a forwarding process or a discarding process for packets based on RED state information.
Abstract translation: 目的：提供一种用于改善TCP（传输控制协议）性能的分组转发控制方法，以允许用户在移动IP（因特网协议）路径优化中使用平滑切换方法和RED（随机早期检测）缓冲器管理方法 处理。 构成：便携式终端经由基站的缓冲器将从与第一FA（外部代理）对应的终端接收的分组转发到第二FA。 相应的终端没有抓住便携式终端的接入点。 基站管理第一FA。 基站基于RED状态信息确定分组的转发处理或丢弃处理。
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公开(公告)号：KR1020130022784A
公开(公告)日：2013-03-07
申请号：KR1020110085689
申请日：2011-08-26
Applicant: 목포대학교산학협력단
CPC classification number: H04L47/56 , H04L47/522
Abstract: PURPOSE: A resource allocation method for a network in a ship is provided to relatively divide delay time guaranteed by each sub-class according to a buffer size required by differentiating the amount of a bandwidth. CONSTITUTION: The amount of a bandwidth allocated in each AS(Assured Service) sub-class is differentiated. Delay time guaranteed by each AS sub-class according to a requested buffer size is divided. An RIO(Random early detection with In and Out) variable value is set based on a buffer size determined according to a network topology and a ratio of the bandwidth. The size of an output link bandwidth, which is reference for access control, is set by receiving the RIO variable value.
Abstract translation: 目的：提供一种用于船舶网络的资源分配方法，以根据区分带宽量所需的缓冲区大小相对分割每个子类保证的延迟时间。 规定：每个AS（Assured Service）子类中分配的带宽量是有差异的。 每个AS子类根据请求的缓冲区大小保证的延迟时间被划分。 基于根据网络拓扑和带宽比率确定的缓冲区大小设置RIO（随机早期检测，具有In和Out）变量值。 通过接收RIO变量值来设置作为访问控制参考的输出链路带宽的大小。
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公开(公告)号：KR1020130021972A
公开(公告)日：2013-03-06
申请号：KR1020110084579
申请日：2011-08-24
Applicant: 목포대학교산학협력단
IPC: H04B7/04
CPC classification number: H04B7/0413 , H03M13/1102 , H03M13/1125
Abstract: PURPOSE: A log-likelihood ratio(LLR) estimation method in a multi-input multi-output(MIMO) channel is provided to separate a soft-decision bit without performance degradation by using a candidate vector. CONSTITUTION: A mapping point is selected as a candidate vector. The mapping point is located within a predetermined range based on I-ch and Q-ch values of receiving signals among mapping points estimated in a receiving end. Log-likelihood computation is performed by using the selected candidate vector. The log-likelihood computation is performed by reflecting the number of transmitting antennas, the number of receiving antennas, and a modulation method for dividing the receiving signals into data of the number of transmitting antennas. [Reference numerals] (AA) Selected four candidate vectors with the same sign as that of a receiving signal; (BB) Receiving signal
Abstract translation: 目的：提供多输入多输出（MIMO）信道中的对数似然比（LLR）估计方法，以通过使用候选向量来分离软判决比特而不降低性能。 构成：选择一个映射点作为候选向量。 基于在接收端估计的映射点之间的接收信号的I-ch和Q-ch值，映射点位于预定范围内。 通过使用选择的候选向量来执行对数似然计算。 通过将发送天线的数量，接收天线的数量和用于将接收信号分割为发送天线数的数据的调制方法进行对数似然计算。 （附图标记）（AA）选择与接收信号具有相同符号的四个候选向量; （BB）接收信号
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公开(公告)号：KR1020130019907A
公开(公告)日：2013-02-27
申请号：KR1020110082212
申请日：2011-08-18
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A cluster head selecting method within a sensor network is provided to select a cluster head by using the location information of sensor nodes. CONSTITUTION: A sensor network system determines a center position of a sensor network by using positions of all sensor nodes in an initial data transmission period(S210). The sensor network system divides areas of the sensor network by using the center position(S220). The sensor network system detects a sensor node which includes a minimum distance value between the sensor nodes(S230). The sensor network system selects the detected sensor node as a cluster head. [Reference numerals] (AA) Start; (BB) End; (S210) Determining the center position of a sensor network by using position information of all sensor nodes; (S220) Dividing the sensor network into preset numbers by using the center position; (S230) Selecting a sensor node which includes the minimum sum of distances between sensor nodes in each area as a cluster head; (S240) Receiving data from a sink node; (S250) Selecting a cluster head among sensor nodes which are never been selected as a cluster head
Abstract translation: 目的：提供传感器网络内的簇头选择方法，通过使用传感器节点的位置信息来选择簇头。 规定：传感器网络系统通过在初始数据传输周期中使用所有传感器节点的位置来确定传感器网络的中心位置（S210）。 传感器网络系统通过使用中心位置来分割传感器网络的区域（S220）。 传感器网络系统检测传感器节点，传感器节点包括传感器节点之间的最小距离值（S230）。 传感器网络系统选择检测到的传感器节点作为簇头。 （附图标记）（AA）开始; （BB）结束; （S210）通过使用所有传感器节点的位置信息确定传感器网络的中心位置; （S220）使用中心位置将传感器网络分为预设号码; （S230）选择传感器节点，其包括每个区域中的传感器节点之间的距离的最小值作为簇头; （S240）从汇聚节点接收数据; （S250）从未被选择为簇头的传感器节点中选择簇头
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Patent Agency Ranking
公开(公告)号：KR1020130017135A
公开(公告)日：2013-02-20
申请号：KR1020110079389
申请日：2011-08-10
Applicant: 목포대학교산학협력단
CPC classification number: H04W64/003 , H04W36/08 , H04W84/18
Abstract: PURPOSE: An indoor location recognition system and a location recognition method thereof are provided to accurately determine a location by supporting multiple cells or multiple tags in a wireless sensor network. CONSTITUTION: One or more location recognition devices(110) include a tag. The location recognition device transmits packets for determining a location. A coordinator anchor(120d) selects a specific location recognition device for determining the location from the one or more location recognition device by allocating time slots. A plurality of anchors responds for the packets transmitted from the selected specific location recognition device. The location recognition device determines a location by measuring packet response time from the anchors. [Reference numerals] (110) Location recognition device; (120a,120b,120c) Anchor; (120d) Coordinator anchor
Abstract translation: 目的：提供室内位置识别系统及其位置识别方法，通过支持无线传感器网络中的多个小区或多个标签来准确地确定位置。 构成：一个或多个位置识别装置（110）包括标签。 位置识别装置发送用于确定位置的分组。 协调器锚（120d）通过分配时隙来选择特定位置识别装置，用于通过一个或多个位置识别装置确定位置。 多个锚对从所选择的特定位置识别装置发送的包进行响应。 位置识别装置通过测量锚点的分组响应时间来确定位置。 （附图标记）（110）位置识别装置; （120a，120b，120c）锚; （120d）协调员锚
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公开(公告)号：KR1020120139000A
公开(公告)日：2012-12-27
申请号：KR1020110058497
申请日：2011-06-16
Applicant: 목포대학교산학협력단
CPC classification number: H04B1/711 , H04B11/00 , H04L27/18 , H04L27/2647
Abstract: PURPOSE: An underwater sound communication method using a DSSS(direct-sequence spread-spectrum) method is provided to reduce interference between symbols generated in multiple channels in wireless communication by using the DSSS method. CONSTITUTION: A transmission unit spreads the band of a data signal according to a DSSS method. The transmission unit spreads the band of the data signal by multiplying a signal modulated by a QPSK(Quadrature Phase Shift Keying) method by a PN(pseudo noise) code generated from a PN code generator. The transmission unit transmits band spread data information to a reception unit. The reception unit reversely spreads a signal received from the transmission unit through a channel environment by multiplying the signal by the PN code. The reception unit converts the received signal into an original signal through a reverse spread method. [Reference numerals] (a) Transmission unit; (b) Reception unit
Abstract translation: 目的：提供一种使用DSSS（直接序列扩频）方法的水下声音通信方法，通过DSSS方法减少无线通信中多个信道产生的符号间的干扰。 构成：传输单元根据DSSS方法扩展数据信号的频带。 发送单元通过将由QPSK（正交相移键控）调制的信号乘以由PN码发生器产生的PN（伪噪声）码来扩展数据信号的频带。 发送单元向接收单元发送频带扩展数据信息。 接收单元通过将信号乘以PN码，通过信道环境反向扩展从发送单元接收的信号。 接收单元通过反向扩展方法将接收到的信号转换为原始信号。 （附图标记）（a）传输单元; （b）接待单位
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48.发明授权나이브 베이스 분류자와 퍼지 추론을 이용한 적조 발생 예측 방법 有权使用FUZZY推理和NAIVE BAYES CLASSIFIER的RED TIDE BLOOMS PREDICING METHOD
公开(公告)号：KR101145397B1
公开(公告)日：2012-05-15
申请号：KR1020110055571
申请日：2011-06-09
Applicant: 목포대학교산학협력단
IPC: G06N7/02
Abstract: PURPOSE: A red tide generation predicting method which uses a naive Bayes classifier and a fuzzy inference are provided to increase the accuracy of prediction rate of a red tide by using a naive Bayes classifier. CONSTITUTION: A marine environment data is normalized as learning data which is suitable for a fuzzy inference. A fuzzy reasoning rule is generated by using learning material(230). A red tide plankton density is predicted for input data. A red tide generation is predicted by estimating probability value based on a naive Bayes method(300). The red tide plankton density is controlled based on the prediction result.
Abstract translation: 目的：提出一种使用朴素贝叶斯分类器和模糊推理的红潮生成预测方法，通过使用朴素贝叶斯分类器提高红潮预测率的准确性。 规定：海洋环境数据被归一化为适合于模糊推理的学习数据。 通过使用学习材料（230）生成模糊推理规则。 预测输入数据的红潮浮游生物密度。 通过基于朴素贝叶斯方法估计概率值来预测红潮一代（300）。 基于预测结果控制红潮浮游生物密度。
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公开(公告)号：KR1020150054071A
公开(公告)日：2015-05-20
申请号：KR1020130135981
申请日：2013-11-11
Applicant: 목포대학교산학협력단
CPC classification number: H04L1/0625 , H04B7/0697 , H04L1/0643 , H04W84/18
Abstract: 본발명은선박애드혹네트워크환경에서의해양사고자료전송방법에관한것으로서, 구체적으로는 SANET(Ship Ad-hoc Network)환경에서해양사고발생시, 사고현장의사진및 동영상과같은큰 용량의데이터를효율적으로해안국까지전송하기위한방법에관한것이다. 또한본 발명은해양에서사고발생시, 사고발생지점으로부터기 설정된범위내에있는선박들이사고와관련된데이터를수집하고자동구성네트워크(Self-organizing Network)환경을구축하는단계; 및구축된자동구성네트워크환경을기초로선박간의직접통신및 다중통신을이용해해안국까지데이터를전송하는단계를포함한다.
Abstract translation: 本发明涉及船舶自组织网络中的传输方法，更具体地说，涉及一种有效传输诸如与事故现场有关的照片或视频的大数据到船舶特设的海岸电台的传输方法 网路（SANET）环境出现时发生意外事故。 本发明还包括以下步骤：在发生事故现场的规定距离内的船舶收集与事故有关的数据，并且在发生船舶事故时配置自组织网络; 并且通过使用基于所配置的自组织网络的直接和多路复用通信来将数据发送到海岸无线电台。
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公开(公告)号：KR101503463B1
公开(公告)日：2015-03-19
申请号：KR1020130113767
申请日：2013-09-25
Applicant: 목포대학교산학협력단 , 주식회사 대문정보
CPC classification number: G06F17/30536 , G06F17/18 , G06F17/30002 , G06Q50/10
Abstract: 본 발명은 가중치평균을 이용하여 수집 데이터를 모니터링함으로써, 선박내부를 모니터링하는 방법에 관한 것이다.
본 발명에 따른 가중치 평균을 이용한 선박 내부 모니터링 방법은, 서버 데이터 베이스에 접근하는 PHP 파일을 생성하는 단계와, 서버 데이터베이스에 인자값을 입력하고, Mysql 데이터베이스를 검색 하는 단계와, Mysql을 검색한 쿼리 결과 데이터를 xml파일로 저장하고, 배열화하는 단계 및 데이터 분석 결과 이상 징후 발생 시 이상 징후에 대한 경보를 제공하는 단계를 포함한다.
또한, 본 발명에 따른 가중치 평균을 이용한 선박 내부 모니터링 방법은, 배열화된 데이터의 표준편차 및 배열화된 데이터의 가중치 평균을 산출하는 단계를 더 포함하는 것이 바람직하다.
또한, 본 발명에 따른 가중치 평균을 이용한 선박 내부 모니터링 방법의 데이터 분석 결과 이상 징후 발생 시 상기 이상 징후에 대한 경보를 수신하는 단계는 배열화된 데이터의 표준편차를 구하고, 데이터가 가중치 평균 및 표준편차의 합산값보다 크거나, 가중치 평균 및 표준편차의 차한값보다 작은 경우, 이상 징후에 대한 경보를 제공하는 것이 바람직하다.Abstract translation: 本发明涉及通过使用加权平均值监视收集数据来监视船舶内部的方法。 根据本发明，通过使用加权平均值来监视容器的内部的方法包括生成访问服务器数据库的PHP文件的步骤; 将因子值输入到服务器数据库中，并搜索Mysql数据库的步骤; 将关于Mysql搜索的查询结果数据存储为xml文件，然后排列数据的步骤; 以及当将该符号作为数据分析结果时，提供关于异常标志的警告的步骤。 此外，根据本发明，通过使用加权平均值来监视船舶内部的方法应该更多地包括计算排列数据的加权平均值和排列数据的标准偏差的步骤。 此外，根据本发明，在作为数据分析结果进行符号的接收到关于异常信号的警告的步骤中，获得排列数据的标准偏差，并且提供关于异常信号的警告， 数据大于加权平均值和标准偏差的附加值或小于加权平均值和标准偏差的减去值。
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