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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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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：KR1020150019834A
公开(公告)日：2015-02-25
申请号：KR1020130097203
申请日：2013-08-16
Applicant: 목포대학교산학협력단
CPC classification number: Y02D70/00 , H04W28/26 , H04W24/02 , H04W52/265 , H04W74/04
Abstract: 본 발명은 송신측 디바이스에서 처음 데이터를 전송할 시, 최소 전송속도를 기준으로 최초 DRP(Distributed Reservation Protocol) 예약을 수행하는 단계, 데이터 전송의 성공 여부 정보가 포함된 인터럽트를 상기 송신측 디바이스에서 수신하는 단계, 상기 송신측 디바이스에서 데이터 드랜잭션(transaction)을 시작하면서 상기 수신측 디바이스와의 전송거리를 계산하는 단계, 상기 송신측 디바이스에서 상기 전송거리에 대응되는 전송속도를 확인하는 단계, 상기 송신측 디바이스에서 평균 수신신호세기를 측정하는 단계, 측정된 평균 수신신호세기와 기설정된 최대 수신신호세기 및 최소 수신신호세기를 고려하여 최종 전송속도를 결정하는 단계, 및 결정된 상기 최종 전송속도를 DRP IE(Information Element)에 저장하고, 상기 최종 전송속도에 따라 다음 DRP 예약을 수행하 는 단계를 포함하는 WiMedia 네트워크에서 에너지 효율을 위한 채널 상태 기반의 분산 예약 방법에 관한 것이다.
Abstract translation: 本发明涉及一种用于WiMedia网络上的能量效率的基于信道状态的分布式预留方法。 本发明包括以下步骤：当从发送侧的设备发送初始数据时，基于初始传输速度执行初始分布式预留协议（DRP）预留; 接收中断，包括数据传输是否成功的信息; 在数据交易从发送侧的设备开始的同时，计算与接收侧的设备的传输距离; 确认与发送侧的设备的传输距离对应的传输速度; 从发送侧的设备测量平均接收信号强度; 考虑所测量的接收信号强度，预定最大接收信号强度和最小接收信号强度来确定最终传输速度; 将确定的最终传输速度存储在DRP信息元素（IE）中，并根据最终传输速度执行下一个DRP预留。
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公开(公告)号：KR1020150019833A
公开(公告)日：2015-02-25
申请号：KR1020130097202
申请日：2013-08-16
Applicant: 목포대학교산학협력단
Abstract: 본 발명은 예약 오너(Reservation owner) 디바이스에서 하나 이상의 디바이스의 DRP 유효성 정보를 수집하는 단계, 상기 예약 오너 디바이스에서 수집된 상기 DRP 유효성 정보를 기초로 하여 MSDRP 예약에 포함되도록 상기 디바이스의 그룹을 선택하는 단계, 상기 그룹 내 포함된 모든 디바이스들에게 표준 DRP IE 및 MSDRP IE을 전송하는 단계, 상기 표준 DRP IE와 상기 MSDRP IE를 수신한 디바이스들 각각에서 상기 표준 DRP IE와 상기 MSDRP IE의 유효 여부를 확인하는 단계, 및 상기 유효 여부의 확인 결과를 고려하여 상기 디바이스 각각에서 예약을 승인 또는 거절하는 단계를 포함하는 WiMedia 네트워크에서 효율적인 멀티 홈 전송을 위한 릴레이 방법에 관한 것이다.
Abstract translation: 本发明涉及一种用于WiMedia网络上的高效多跳传输的中继方法。 本发明包括以下步骤：收集预留所有者设备中的一个或多个设备的DRP有效性信息; 基于从预留所有者设备收集的DRP有效性信息，选择要包括在MSDRP预留中的设备的组; 向组中包括的所有设备发送标准DRP IE和MSDRP IE; 确认在接收标准DRP IP和MSDRP IE的每个设备中是否有效的标准DRP IE和MSDRP IE; 考虑到是否有效的确认结果，在每个设备中批准或拒绝预留。
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公开(公告)号：KR1020140044626A
公开(公告)日：2014-04-15
申请号：KR1020120110834
申请日：2012-10-05
Applicant: 목포대학교산학협력단
Abstract: The present invention relates to a method of clustering a ship USN using location attributes and residual energy of sensors in a USN system including multiple sensors. The method comprises the steps of: establishing an attribute hierarchy based on locations of the sensors; forming a cluster comprising one cluster head and multiple nodes having an identical location attribute using location attributes of the nodes; selecting a cluster head from among the nodes; transmitting catalog information from the former cluster head to the selected cluster head; and transmitting the updated catalog information from the selected cluster head to an upper level cluster head. According to the present invention, energy consumption for communications among nodes can be reduced by using the location attributes and residual energy of the sensors. Moreover, a cluster head is not replaced with another frequently since residual energy is considered when a cluster head is selected, thereby providing economic feasibility and stable communications among nodes. [Reference numerals] (AA) Start; (BB) End; (S210) Establishing an attribute hierarchy; (S220) Forming a cluster; (S230) Selecting a cluster head; (S240) Transmitting catalog information; (S250) Transmitting updated catalog information
Abstract translation: 本发明涉及使用包括多个传感器在内的USN系统中的位置属性和传感器的剩余能量对船舶USN进行聚类的方法。 该方法包括以下步骤：基于传感器的位置建立属性层次; 使用所述节点的位置属性来形成包括一个簇头和具有相同位置属性的多个节点的群集; 从节点中选择簇头; 将目录信息从前一个簇头传输到选定的簇头; 以及将更新的目录信息从所选择的簇头发送到上级簇头。 根据本发明，可以通过使用传感器的位置属性和剩余能量来减少节点之间的通信的能量消耗。 此外，由于在选择簇头时考虑了剩余能量，所以簇头不经常被替换，从而提供节点之间的经济可行性和稳定的通信。 （附图标记）（AA）开始; （BB）结束; （S210）建立属性层次; （S220）形成集群; （S230）选择簇头; （S240）传送目录信息; （S250）发送更新的目录信息
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Patent Agency Ranking
公开(公告)号：KR1020130127225A
公开(公告)日：2013-11-22
申请号：KR1020120050992
申请日：2012-05-14
Applicant: 목포대학교산학협력단
Abstract: A debugging method for wireless sensor networks considering mobile sink nodes is disclosed. This method comprises a step of collecting value index to determine the cause of a bug from a sensor node and a sink node; a step of detecting the bug using the value index collected; a step of drawing the basic cause of the bug; and a step of showing the basic cause to a user. [Reference numerals] (AA) Sensor node 1;(BB) Sensor node n;(CC) Collect evaluation index values;(DD) Bug detection;(EE) Draw a basic cause;(FF) Notify to a user;(GG) Sink node evaluation index value;(HH) Sink node component;(II) Sink node;(JJ) User interface
Abstract translation: 公开了一种考虑移动接收节点的无线传感器网络的调试方法。 该方法包括收集价值指数以确定来自传感器节点和汇聚节点的错误的原因的步骤; 使用收集的价值指数检测错误的一个步骤; 绘制错误的基本原因的一步; 以及向用户显示基本原因的步骤。 （AA）传感器节点1;（BB）传感器节点n;（CC）收集评估指标值;（DD）错误检测;（EE）绘制基本原因;（FF）通知用户;（GG ）Sink节点评估指标值;（HH）Sink节点组件;（II）Sink节点;（JJ）用户界面
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27.发明公开
公开(公告)号：KR1020130039907A
公开(公告)日：2013-04-23
申请号：KR1020110104567
申请日：2011-10-13
Applicant: 목포대학교산학협력단
CPC classification number: H04W28/24 , H04L2012/6448 , H04W84/12 , H04W84/18
Abstract: PURPOSE: A method for communication by using a relay communication protocol for improving QoS performance in a WiMedia Distributed MAC communication system is provided to reserve another indirect link via a relay node besides a direct link in order to maintain QoS resources reserved in a collision target device. CONSTITUTION: A relay request reservation state code is transmitted between two nodes so that a reservation owner node requests a reservation to a relay node. The relay request reservation state code indirectly notifies that there is a DRP reservation request between the relay node and the reservation owner node to a reservation target node. A relay notification reservation state code is used for notifying that data is transmitted to the reservation target node through the relay node. [Reference numerals] (AA) Value; (BB) Code; (CC) Meaning; (DD) Requesting relay transmission to a relay node; (EE) Notifying that data is transmitted to a target node through a relay node; (FF) Accepted DRP resource reservation request for the corresponding relay transmission;
Abstract translation: 目的：提供一种通过使用中继通信协议进行通信的方法，用于提高WiMedia分布式MAC通信系统中的QoS性能，以通过除了直接链路之外的中继节点预留另一间接链路，以便保留在冲突目标设备中保留的QoS资源 。 构成：在两个节点之间传送中继请求预留状态码，使得预约所有者节点向中继节点请求预约。 中继请求预约状态码间接地通知在中继节点和预留所有者节点之间存在预留目标节点的DRP预留请求。 中继通知预约状态码用于通过中继节点通知数据被发送到预约目标节点。 （附图标记）（AA）值; （BB）代码; （CC）含义; （DD）向中继节点请求中继传输; （EE）通过中继节点通知数据发送到目标节点; （FF）接收对应继电器传输的DRP资源预留请求;
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公开(公告)号：KR1020130034915A
公开(公告)日：2013-04-08
申请号：KR1020110099080
申请日：2011-09-29
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A method for efficiently reinforcing a voice signal based on a voice coding parameter in marine voice communications is provided to reinforce excitation signals among a bitstream parameter based on a voice encoding device in root environment, thereby supplying excellent performance. CONSTITUTION: An excitation signal gain ratio estimation unit(140) estimates an excitation signal gain ratio by using an excitation signal gain of background noises estimated by an excitation signal gain estimation block(130), and a decoding result which applies a fixed codebook gain by a fixed codebook vector decoding block(120). An excitation signal generation unit(150) generates an excitation signal by using a decoding result which applies an adaptive codebook gain by an excitation signal gain ratio estimation result and an adaptive codebook vector decoding block(110). [Reference numerals] (110,120) Adaptive codebook vector decoding; (130) Excitation signal gain estimation of background noise; (140) Excitation signal gain ratio estimation; (150) Excitation signal generation; (160) Linear prediction synthesis filter; (170) Postprocessor; (AA,BB) Input bit stream; (CC) Adaptive codebook gain application; (DD) Fixed codebook gain application; (EE) Enhanced voice signal; (FF) Near-end background noise estimation;
Abstract translation: 目的：提供一种在海洋语音通信中基于语音编码参数有效加强语音信号的方法，以加强基于根环境中的语音编码装置的比特流参数中的激励信号，从而提供出色的性能。 激励信号增益比估计单元（140）通过使用由激励信号增益估计块（130）估计的背景噪声的激励信号增益来估计激励信号增益比，以及解码结果，其通过 固定码本向量解码块（120）。 励磁信号生成单元（150）通过使用通过激励信号增益比估计结果应用自适应码本增益的解码结果和自适应码本矢量解码块（110）来产生激励信号。 （110,120）自适应码本矢量解码; （130）背景噪声的激励信号增益估计; （140）励磁信号增益比估计; （150）励磁信号发生; （160）线性预测合成滤波器; （170）后处理; （AA，BB）输入位流; （CC）自适应码本增益应用; （DD）固定码本增益申请; （EE）增强语音信号; （FF）近端背景噪声估计;
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公开(公告)号：KR1020130022796A
公开(公告)日：2013-03-07
申请号：KR1020110085710
申请日：2011-08-26
Applicant: 목포대학교산학협력단
CPC classification number: H04L1/1812 , H04L1/06
Abstract: PURPOSE: A method is provided to remarkably improve communication performance in a poor wireless channel environment by resolving size and cost of a MIMO system. CONSTITUTION: A method selects a hybrid-ARQ type using a cross-layer coding technique based on importance of a channel environment, BER and throughput when transmitting data in collaboration with a base station(BS), a relay station(RS) and a destination station(DS). At this time, the method includes a stage of judging availability of the channel environment based on effect of Rayleigh fading independently varying with a symbol period and path loss according to a distance.
Abstract translation: 目的：提供一种通过解决MIMO系统的尺寸和成本，在恶劣的无线信道环境中显着提高通信性能的方法。 构成：当与基站（BS），中继站（RS）和目的地（RS）协作发送数据时，一种方法使用基于信道环境的重要性，BER和吞吐量的跨层编码技术来选择混合ARQ类型 站（DS）。 此时，该方法包括基于根据距离独立地随符号周期和路径损耗而变化的瑞利衰落的影响来判断信道环境的可用性的阶段。
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公开(公告)号：KR1020130021971A
公开(公告)日：2013-03-06
申请号：KR1020110084578
申请日：2011-08-24
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: An E-navigation system for communications between vessels or a vessel and a land is provided to convert communication methods according to sailing regions of the vessel based on GPS location information received for the communication between vessels or a vessel and a land. CONSTITUTION: A location detection part(120) detects the location information of a vessel based on a signal received from a GPS satellite(200). A control part(130) determines whether the vessel is located at a shore or deep sea. A communication interface part(140) selects one communication method. The communication interface part sets the selected communication method to the communication method of the vessel. [Reference numerals] (110) GPS receiver; (120) Location detection part; (130) Control part; (140) Communication interface part; (150) Communication part; (200) GPS satellite
Abstract translation: 目的：提供用于船只或船只和陆地之间通信的电子导航系统，根据船只或船只与陆地之间的通信接收的GPS位置信息，根据船舶航行区域转换通信方式。 构成：基于从GPS卫星（200）接收到的信号，位置检测部（120）检测船舶的位置信息。 控制部分（130）确定船舶是位于岸边还是深海。 通信接口部分（140）选择一种通信方法。 通信接口部分将所选择的通信方法设置为该船的通信方法。 （附图标记）（110）GPS接收机; （120）位置检测部; （130）控制部分; （140）通讯接口部分; （150）通讯部分; （200）GPS卫星
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