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公开(公告)号：KR1020150058601A
公开(公告)日：2015-05-29
申请号：KR1020130139932
申请日：2013-11-18
Applicant: 목포대학교산학협력단
IPC: H04L12/413 , H04L12/46
CPC classification number: H04W74/085 , H04W74/002
Abstract: 본발명은 UWB기반네트워크에서다중채널스케줄링을이용한네트워크간 공존방법에관한것으로서, 본발명에따른 UWB기반네트워크에서다중채널스케줄링을이용한네트워크간 공존방법은독립적인 UWB 기반의네트워크간의충돌을회피하기위해다중체널관리방법을제안한것으로서, 채널검색기법을이용하여새로운유휴채널을검색하고, 새롭게비콘프레임및 데이터프레임을전송할수 있는타임오셋을감지하는것을특징으로한다. 본발명에따르면, 데이터충돌을감지한후 유휴채널로이동하여통신을계속수행하도록할 수있어서, 특정지연시간후 수신한데이터프레임의수가계속증가하는효과가있다.
Abstract translation: 本发明涉及在基于UWB的网络中使用多信道调度的网络中的共存方法。 根据本发明的基于UWB的网络中使用多信道调度的网络中的共存方法涉及用于避免基于独立的基于UWB的网络之间的冲突的多信道管理方法。 它通过使用信道搜索技术来搜索新的空闲信道，并且感测能够新传送信标帧和数据帧的时间偏移。 根据本发明，在数据冲突之后，将其移动到空闲信道以执行连续通信。 因此，特定延迟时间之后的数据帧的数量不断增加。
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公开(公告)号：KR1020150017033A
公开(公告)日：2015-02-16
申请号：KR1020130092590
申请日：2013-08-05
Applicant: 목포대학교산학협력단
Abstract: 본 발명은 무선 USB 네트워크에서 N 스크린 서비스 제공을 위한 멀티미디어 스트리밍 방법 에 관한 것으로서, 구체적으로는, N 스크린 서비스 제공을 위해 무선 USB 환경에서 1:N 멀티미디어 스트리밍을 지원하기 위한 새로운 자원 할당 방법에 관한 것이다.
무선 USB 호스트가 채널 정보를 포함하는 관리 패킷(MMC)을 브로드 캐스팅함으로써 무선 USB 디바이스가 데이터 패킷을 수신하기 위해 대기해야 하는 채널 타임을 할당하는 단계, 무선 USB 디바이스가 데이터 패킷을 전송할 수 있는 채널 타임을 할당하는 단계, 무선 USB 디바이스들에게 데이터 패킷을 브로드캐스팅할 수 있는 채널 타임을 할당하는 단계를 포함한다.Abstract translation: 本发明涉及一种用于在无线USB网络中提供N屏幕服务的多媒体流方法。 更具体地说，资源分配方法用于支持无线USB环境中的1：N多媒体流，以提供N屏幕服务。 该方法包括以下步骤：广播包含频道信息的MMC以分配无线USB设备的等待接收数据包的频道时间; 分配信道时间以发送数据分组; 以及分配信道时间以广播数据分组。
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公开(公告)号：KR1020140046574A
公开(公告)日：2014-04-21
申请号：KR1020120110833
申请日：2012-10-05
Applicant: 목포대학교산학협력단
IPC: H04L29/06
CPC classification number: H04L41/0823 , H04L12/64 , H04L69/30
Abstract: The present invention relates to a cross-layer optimizing method of an e2e link for a machine to machine communication using a hybrid network having at least one among functions of enabling a user to communicate with a base station, enabling the user to perform a multi-hop communication with the base station via a proxy, enabling two and more users to perform a communication by using the base station as a repeater and enabling two and more users to perform a communication without the help of the base station. The present invention may enhance data transmission speed within a network, prevent data from being interrupted, and distribute and accommodate a data traffic by using the hybrid network. Additionally, the present invention may enhance a speed feeling of a user by increasing a network capacity, and transmit the data with high level reliability and speed. Also, the present invention may provide an optimal service to users who require different service qualities and provide a high quality 2e2 link service by using characteristics of the hybrid network.
Abstract translation: 本发明涉及一种使用混合网络进行机器间通信的跨层优化方法，所述混合网络具有使用户能够与基站进行通信的功能中的至少一种， 通过代理与基站进行跳频通信，使得两个以上的用户能够通过使用基站作为中继器进行通信，并且使得两个以上的用户能够在没有基站的帮助的情况下进行通信。 本发明可以增强网络内的数据传输速度，防止数据被中断，并且通过使用混合网络来分发和适应数据流量。 此外，本发明可以通过增加网络容量来提高用户的速度感觉，并以高水平的可靠性和速度发送数据。 此外，本发明可以为需要不同服务质量的用户提供最佳服务，并通过使用混合网络的特性来提供高质量的2e2链路服务。
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公开(公告)号：KR1020140046539A
公开(公告)日：2014-04-21
申请号：KR1020120110299
申请日：2012-10-04
Applicant: 목포대학교산학협력단
CPC classification number: H04L25/0224 , H04B7/15535 , H04J11/00
Abstract: The present invention relates to a method of estimating a channel in a bidirectional relay system which operates in a frequency selective fading channel and provides a channel estimating technique which minimizes the distortion of a power amplifier and maximum to average power ratio by using training progression which satisfies an optimum condition. [Reference numerals] (AA,BB) Start; (CC) Generate a transmission signal by adding cyclic prefix after an S_1 communication node generates a training sequence X_1; (DD) Generate a transmission signal by adding cyclic prefix after an S_2 communication node generates a training sequence X_2; (EE) First step; (FF) Second step of simultaneously transmitting the transmission signal generated in the first step to a relay by the S_1 communication node and the S_2 communication node; (GG) Third step of receiving the signal of the second step by a relay node, removing the cyclic prefix, inserting the cyclic prefix into a reception signal y_r from which the cyclic prefix is removed, and transmitting the same to each source node S_1 and S_2; (HH) Estimate instantaneous channel response f_1 after receiving the signal of the third step by the S_1 communication node and removing the cyclic prefix; (II) Estimate instantaneous channel response f_2 after receiving the signal of the third step by the S_2 communication node and removing the cyclic prefix; (JJ) Fourth step; (KK,LL) End
Abstract translation: 本发明涉及一种估计在频率选择性衰落信道中操作的双向中继系统中的信道的方法，并且提供一种信道估计技术，其使功率放大器的失真和最大平均功率比通过使用满足 最佳条件。 （标号）（AA，BB）开始; （CC）在S_1通信节点生成训练序列X_1之后，通过添加循环前缀生成发送信号; （DD）在S_2通信节点生成训练序列X_2之后，通过添加循环前缀生成发送信号; （EE）第一步; （FF）通过S_1通信节点和S_2通信节点同时发送在第一步骤中生成的发送信号到中继的第二步骤; （GG）通过中继节点接收第二步骤的信号的第三步骤，去除循环前缀，将循环前缀插入到循环前缀被去除的接收信号y_r中，并将其发送到每个源节点S_1和 S_2; （HH）在S_1通信节点接收到第三步骤的信号后，估计瞬时信道响应f_1，并删除循环前缀; （II）估计S_2通信节点接收到第三步信号后的瞬时信道响应f_2，去除循环前缀; （JJ）第四步; （KK，LL）结束
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公开(公告)号：KR1020140046538A
公开(公告)日：2014-04-21
申请号：KR1020120110296
申请日：2012-10-04
Applicant: 목포대학교산학협력단
IPC: G06Q10/08
CPC classification number: G06Q10/087
Abstract: The present invention relates to an inventory management monitoring system using an android mobile phone and a web server, which can monitor articles in real time regardless of time and place by enabling a user to check and correct information of articles by accessing the web server using the mobile phone, not checking the articles in an inventory warehouse directly and then correcting the information of the articles in a management office. The user can process all kinds of works and assignments rapidly and effectively by grasping the conditions and locations of the articles in a shipyard easily through the shipyard inventory management system using a mobile phone. Also, the inventory management system can be used in not only a shipyard but also a facility performing inventory management widely. [Reference numerals] (AA) Execute; (BB) Mobile; (CC) Check; (DD) Generate; (EE) Correct; (FF) Web DB; (GG) Synchronize
Abstract translation: 本发明涉及使用Android移动电话和网络服务器的库存管理监视系统，其可以通过使用户能够通过访问web服务器来检查和更正文章的信息来实时地监视文章的时间和地点，而不管时间和地点。 手机，不直接检查库存仓库中的物品，然后更正管理处的文章信息。 用户可以通过使用手机通过造船厂库存管理系统轻松地掌握造船厂物品的状况和位置，快速有效地处理各种作品和作品。 此外，库存管理系统不仅可以用于造船厂，也可以用于广泛进行库存管理的设施。 （附图标记）（AA）执行; （BB）手机; （CC）检查; （DD）生成; （EE）正确; （FF）Web DB; （GG）同步
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Patent Agency Ranking
公开(公告)号：KR1020130122339A
公开(公告)日：2013-11-07
申请号：KR1020120045591
申请日：2012-04-30
Applicant: 목포대학교산학협력단
Abstract: The present invention reserves resources to avoid data collision due to a new wireless USB device advancing from farther than a three-hop distance by collecting reservation information of a wireless USB device included in a neighboring wireless USB cluster using a dual role device (DRD) in a three-hop distance, and is capable of extending toward a large-scale network. Also, data collision generated by a moving wireless USB device is able to be prevented.
Abstract translation: 本发明通过使用双重角色设备（DRD）收集包括在相邻无线USB集群中的无线USB设备的预订信息，来保留资源以避免由于新的无线USB设备比三跳距离更远地进行数据冲突 三跳距离，能够向大型网络扩展。 此外，能够防止由移动的无线USB设备产生的数据冲突。
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公开(公告)号：KR1020150017030A
公开(公告)日：2015-02-16
申请号：KR1020130092587
申请日：2013-08-05
Applicant: 목포대학교산학협력단
IPC: H04L12/28
CPC classification number: H04W74/08 , H04W74/085
Abstract: 본 발명은 선박의 분류와 영역에 따른 AIS(automatic identification system) 데이터 통신 방법에 관한 것으로서, 구체적으로는, 선박과 선박, 선박과 육상의 센터 간에 선박의 위치, 명세, 침로, 속력등의 선박관련 정보와 항해안전 정보들을 자동으로 교환하여 선박간의 충돌 회피 또는 통항관제를 원활하게 하는 통신 방법에 관한 것이다.
본 발명의 선박의 거리에 따른 데이터 통신 방법은, 기지국으로부터 반경 10KM 미만인 Class A에 영역에 있는 선박의 경우 VHF 방식으로 통신하고, 기지국으로부터 반경 50KM 미만인 Class B에 영역에 있는 선박의 경우 CSMA/CA 방식으로 통신하고, 기지국으로부터 반경 50KM 이상인 Class C에 영역에 있는 선박의 경우 ALOHA 방식으로 통신하는 것이다.Abstract translation: 本发明涉及一种基于船舶的分类和定位区域的自动识别系统（AIS）数据通信方法，更具体地说，涉及一种使诸如位置，规格，路线等的船舶相关信息的通信方法 加快船舶和船舶和地面中心之间自动交换的船舶和导航安全信息，避免船舶碰撞或顺利控制船舶航行。 根据本发明，基于船舶距离的数据通信方法包括以下步骤：在船舶位于半径小于10km的A类区域的情况下，通过VHF方法与船舶通信 一个基站; 如果船舶位于距离基站50公里以内的B类区域，则通过CSMA / CA方法与船舶通信; 并且如果船舶位于距离基站的半径在50km以上的C类区域中，则通过ALOHA方法与船舶通信。
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公开(公告)号：KR101452939B1
公开(公告)日：2014-10-23
申请号：KR1020120110299
申请日：2012-10-04
Applicant: 목포대학교산학협력단
Abstract: 본 발명은, 주파수 선택적 페이딩 채널에서 동작하는 양방향 릴레이 시스템에서 채널을 추정하는 방법에 관한 것으로서, 최적 조건을 만족하는 훈련 수열을 사용함으로써 최대대비평균전력비를 최소로 하며 전력 증폭기에서의 왜곡을 최소화하는 채널 추정 기법을 제공한다.
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公开(公告)号：KR1020130139092A
公开(公告)日：2013-12-20
申请号：KR1020120062832
申请日：2012-06-12
Applicant: 목포대학교산학협력단
CPC classification number: H04L1/0618 , H03M13/2957 , H04L1/0071
Abstract: The present invention discloses a hierarchical spatiotemporal code system. A hierarchical spatiotemporal code system according to an embodiment of the present invention includes: a combiner for synthesizing a plurality of signals through code combination when receiving the plurality of signals using a plurality of antennae; a BCJR decoder for space-time trellis decoding the signal code-combined by the combiner using a previously calculated first log likelihood ratio (LLR) value and outputting a second LLR value as a result; a subtracter for outputting the difference between the second LLR value and the first LLR value; a de-interleaver for de-interleaving the difference between the first LLR value and the second LLR value; and a turbo encoder for channel-decoding the de-interleaved value and updating the first LLR value. [Reference numerals] (AA) Two bit input
Abstract translation: 本发明公开了一种分级时空码系统。 根据本发明实施例的等级时空码系统包括：组合器，用于当使用多个天线接收多个信号时通过代码组合合成多个信号; 用于空时网格的BCJR解码器，用于使用先前计算的第一对数似然比（LLR）值由组合器组合的信号码进行解码，并输出第二LLR值作为结果; 用于输出第二LLR值和第一LLR值之间的差的减法器; 解交织器，用于对所述第一LLR值和所述第二LLR值之间的差进行解交织; 以及turbo编码器，用于对解交织的值进行通道解码并更新第一LLR值。 （标号）（AA）两位输入
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公开(公告)号：KR1020130043970A
公开(公告)日：2013-05-02
申请号：KR1020110108189
申请日：2011-10-21
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A method for using dual spatiogram for scale estimation of a target is provided to correctly acquire the size of a target object which is tracked in a video image and to perform scaling of the target object regardless of the size of an image including the target object. CONSTITUTION: A method for using dual spatiogram for scale estimation of a target using a digital photographing device comprises the steps of: choosing a target object to be tracked in a video; spraying pixels on the target object; acquiring an image of the target object by estimation using dual spatiogram.
Abstract translation: 目的：提供一种用于对目标的尺度估计使用双重空间图的方法，以正确地获取在视频图像中跟踪的目标对象的大小，并且执行目标对象的缩放，而不管包括目标的图像的大小 目的。 构成：使用数字拍摄装置对目标使用双倍空间图进行尺度估计的方法包括以下步骤：选择要在视频中跟踪的目标对象; 在目标物体上喷射像素; 通过使用双重空间图估计来获取目标对象的图像。
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