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公开(公告)号：KR1020150044692A
公开(公告)日：2015-04-27
申请号：KR1020130124056
申请日：2013-10-17
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04L9/06
CPC classification number: H04L9/06 , H04L63/0492 , H04L2209/805 , H04W12/02
Abstract: 본발명은근거리무선통신시스템에서데이터를암호화하는방법에있어서, 송신단말이현재스테이트에서송신할데이터를, 미리정해진수신단말은상기데이터복원에성공하고미리정해지지않은도청단말은상기데이터복원에실패하도록암호화하고, 암호화된데이터를오류정정부호를통해부호화하여상기미리정해진수신단말에게전송한다.
Abstract translation: 本发明涉及一种在近场通信系统中加密数据的方法。 在该方法中，发送终端成功恢复当前状态下要发送的数据，预定义的接收终端成功恢复数据，非预定的窃听终端进行加密，使数据恢复失败，使用错误对加密数据进行编码 校正码，然后发送到预定义的接收终端。
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公开(公告)号：KR101511620B1
公开(公告)日：2015-04-17
申请号：KR1020137030463
申请日：2012-01-30
Applicant: 고려대학교 산학협력단
Abstract: 본 발명은 릴레이 기반 통신 시스템 및 통신 경로 결정 방법에 관한 것으로, 구체적으로 본 발명은 릴레이 네트워크 상에서 정보를 전송할 때 최적의 홉 수를 결정하는 시스템 및 방법에 관한 것이다.
이를 위해, 본 발명은 릴레이 네트워크에서 소스 노드와 목적 노드 및 소스 노드와 목적 노드 상에 적어도 하나의 릴레이 노드 중 어느 하나의 노드에서 소스 노드와 목적 노드 간의 정보를 전송할 통신 경로를 결정하는 방법에 있어서, 소스 노드와 목적 노드 사이의 연결이 가능한 복수의 통신 경로 상에 존재하는 각 릴레이 노드에서의 간섭 신호 및 잡음 신호를 고려하여 최적의 홉 수를 결정하는 단계; 및 복수의 통신 경로들 중 결정한 최적의 홉 수를 만족하는 하나의 통신 경로를 결정하는 단계를 포함하는 통신 경로 결정 방법이 제공된다.-
公开(公告)号：KR1020130091141A
公开(公告)日：2013-08-16
申请号：KR1020120012441
申请日：2012-02-07
Applicant: 고려대학교 산학협력단
CPC classification number: Y02D70/10 , Y02D70/20 , Y02D70/30 , Y02D70/39 , H04W40/04 , H04W40/22 , H04W84/18
Abstract: PURPOSE: An apparatus for providing optimum routing protocol in a multi hop decode-and-forward relay and a method thereof are provided to perform optimum resource allocation by considering more realistic communication environment, by considering a network model suitable for a real communication system where nodes making an interference signal are randomly distributed. CONSTITUTION: A hop count setting unit (610) sets hop count which is to be used in signal transmission between a source and a destination. A parameter determining unit (620) determines a system parameter minimizing outage probability, on the basis of the set hop count. The parameter determining unit determines distance between hops equally. The parameter determining unit determines transmission power so that transmission power of each hop is equal. The parameter determining unit determines time fraction so that time fraction allocated to each hop is equal. [Reference numerals] (600) Routing protocol providing device; (610) Hop count setting unit; (620) Parameter determining unit
Abstract translation: 目的：提供一种用于在多跳解码和转发中继中提供最佳路由协议的方法及其方法，通过考虑适用于实际通信系统的网络模型，通过考虑更现实的通信环境来执行最佳资源分配，其中节点 使干扰信号随机分布。 构成：跳数设置单元（610）设置在源和目的地之间的信号传输中使用的跳数。 参数确定单元（620）基于设置的跳数确定最小化中断概率的系统参数。 参数确定单元确定跳数之间的距离。 参数确定单元确定发送功率，使得每一跳的发送功率相等。 参数确定单元确定时间分数，使得分配给每一跳的时间分数相等。 （附图标记）（600）路由协议提供装置; （610）跳计数设定单位; （620）参数确定单元
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公开(公告)号：KR1020130087294A
公开(公告)日：2013-08-06
申请号：KR1020120008533
申请日：2012-01-27
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04N1/387 , H04N7/24 , H04N21/8358
CPC classification number: H04N19/467 , H04L1/0041 , H04L1/0059
Abstract: PURPOSE: A data hiding information insertion method and a device thereof are provided to insert hiding information by modulating images or image data. CONSTITUTION: An information insertion device calculates the standard deviation of all the pixel values in the image data and the average value of all the pixel values by dividing the image data based on a predetermined block unit (S601, S603). The device quantizes the average value by using a predetermined quantization space by setting the quantization space based on a scaling factor and the calculated standard deviation (S605, S607). The device modulates the image data by comparing the quantized average value with the hiding information (S610-S611). [Reference numerals] (AA) Start; (BB) Yes; (CC) No; (DD) End; (S601) Segmenting original data in blocks; (S603) Calculating the average value of pixels in blocks and standard deviation; (S605) Setting the interval of quantization section based on standard deviation and scaling factor; (S607) Quantizing the average value by using the set interval; (S610) Is the quantized average value matched to hiding information?; (S613) Setting the average value to be near the hiding information and falsifying image; (S615) Falsifying image based on the quantized average value
Abstract translation: 目的：提供数据隐藏信息插入方法及其装置，通过调制图像或图像数据来插入隐藏信息。 构成：信息插入装置通过基于预定块单位划分图像数据来计算图像数据中的所有像素值的标准偏差和所有像素值的平均值（S601，S603）。 该装置通过基于缩放因子和计算出的标准偏差设置量化空间，通过使用预定的量化空间来量化平均值（S605，S607）。 该装置通过将量化的平均值与隐藏信息进行比较来调制图像数据（S610-S611）。 （附图标记）（AA）开始; （BB）是的; （CC）否; （DD）结束; （S601）块分割原始数据; （S603）计算块中像素的平均值和标准偏差; （S605）基于标准偏差和比例因子设置量化部分的间隔; （S607）使用设定间隔量化平均值; （S610）量化平均值是否与隐藏信息相匹配？ （S613）将平均值设置为靠近隐藏信息和伪造图像; （S615）基于量化平均值伪造图像
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公开(公告)号：KR1020120034689A
公开(公告)日：2012-04-12
申请号：KR1020120011407
申请日：2012-02-03
Applicant: 고려대학교 산학협력단
Abstract: PURPOSE: A relay network, and a communication protocol support device in the relay network and a method thereof are provided to prevent loss of unnecessary wireless resources. CONSTITUTION: A decoder(712) decodes source node information. A control unit(720) determines a relay mode of the source node information in consideration of whether to successfully decoding the source node information. When the decoding is successful, a coder(714) codes the decoded source node information. When the decoding is not successful, an amplification unit(716) amplifies the source node information received from a source node.
Abstract translation: 目的：提供中继网络和中继网络中的通信协议支持设备及其方法，以防止丢失不必要的无线资源。 构成：解码器（712）解码源节点信息。 考虑到是否成功解码源节点信息，控制单元（720）确定源节点信息的中继模式。 当解码成功时，编码器（714）对解码的源节点信息进行编码。 当解码不成功时，放大单元（716）放大从源节点接收的源节点信息。
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Patent Agency Ranking
公开(公告)号：KR1020120009649A
公开(公告)日：2012-02-02
申请号：KR1020100069798
申请日：2010-07-20
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04B7/04
CPC classification number: H04B7/0473 , H04L5/0023 , H04L25/0248 , H04L25/03891 , H04B7/0452
Abstract: PURPOSE: An apparatus for precoding using a channel orthogonalization method in a multi user multi antenna system and a method thereof are provided to reduce the complexity by reducing amount of calculation. CONSTITUTION: A transmitter determines K user terminal candidate group about a user terminal. The transmitter determines each channel matrix within the candidate set based on the channel estimation(300). The transmitter initializes the quadrature-channel matrix about each channel matrix of K user terminal(302). The transmitter determines the quadrature-channel matrix of selected user terminal(304).
Abstract translation: 目的：提供一种在多用户多天线系统中使用信道正交化方法进行预编码的装置及其方法，其通过减少计算量来降低复杂度。 构成：发射机确定关于用户终端的K个用户终端候选组。 发射机基于信道估计（300）确定候选集内的每个信道矩阵。 发射机初始化关于K个用户终端（302）的每个信道矩阵的正交信道矩阵。 发射机确定所选用户终端的正交信道矩阵（304）。
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公开(公告)号：KR1020110012605A
公开(公告)日：2011-02-09
申请号：KR1020090070389
申请日：2009-07-31
Applicant: 고려대학교 산학협력단
CPC classification number: H04B7/15557 , H04B7/15521
Abstract: PURPOSE: An apparatus and a method for supporting a communication protocol in a relay network and a relay network thereof are provided to relay source node information to a target node. CONSTITUTION: A control unit(720) determines the transmission mode of source node information of a source node. When a decoder(712) succeeds in the decoding of the source node information, a coder(714) codes the determined source node information. If a target node and the decoder fail in the decoding of the source node information, an amplification unit(716) amplifies the source node information of the source node. A transmission unit(718) transfers the coded source node information or the amplified source node information to the target node.
Abstract translation: 目的：提供一种用于支持中继网络中的通信协议及其中继网络的装置和方法，以将源节点信息中继到目标节点。 构成：控制单元（720）确定源节点的源节点信息的传输模式。 当解码器（712）成功解码源节点信息时，编码器（714）对所确定的源节点信息进行编码。 如果目标节点和解码器在源节点信息的解码中失败，则放大单元（716）放大源节点的源节点信息。 传输单元（718）将编码的源节点信息或放大的源节点信息传送到目标节点。
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公开(公告)号：KR1020100135604A
公开(公告)日：2010-12-27
申请号：KR1020090054074
申请日：2009-06-17
Applicant: 고려대학교 산학협력단
CPC classification number: H04B7/15521 , H04B7/15557 , H04W84/10
Abstract: PURPOSE: A relay network and a communications protocol support method in the relay network are provided to graft with the network cording method thereby removing the disparity error state. CONSTITUTION: A relay node transmits relay node information to the other node and a tar obtain node(410). The relay node monitors the reception of counterpart node information of the opponent node(412). If the opponent node is received, the relay node decodes the opponent node information(414). If the decoding of the opponent node information is succeed, the relay node transmits the relay node information and the decoded counterpart node information to the destination node through network coding(416,418).
Abstract translation: 目的：提供中继网络中的中继网络和通信协议支持方法，通过网络线方法移植，从而消除视差错误状态。 构成：中继节点将中继节点信息发送给另一个节点和一个焦点获取节点（410）。 中继节点监视对方节点的对方节点信息的接收（412）。 如果对方节点被接收，则中继节点解码对方节点信息（414）。 如果对方节点信息的解码成功，则中继节点通过网络编码将中继节点信息和解码的对方节点信息发送到目的地节点（416,418）。
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公开(公告)号：KR1020100105942A
公开(公告)日：2010-10-01
申请号：KR1020090024308
申请日：2009-03-23
Applicant: 고려대학교 산학협력단
Abstract: PURPOSE: A system and a method for coded cooperation using AF scheme are provided to use protocol which makes a signal received without sending their surplus information AF, thereby improving the whole performance. CONSTITUTION: A communication unit(11) receives a signal about surplus information from an opponent user. A coding/decoding unit(12) decodes the signal received through the communication unit. An amplification unit(13) amplifies the signal received through the communication unit. A control unit(14) transmits the signal received through a communication unit to a target node through the communication unit after amplifying the signal received from the communication unit.
Abstract translation: 目的：提供一种使用AF方案进行编码合作的系统和方法，以使用使得接收信号而不发送其剩余信息AF的协议，从而提高整体性能。 构成：通信单元（11）从对手用户接收关于剩余信息的信号。 编码/解码单元（12）对通过通信单元接收的信号进行解码。 放大单元（13）放大通过通信单元接收的信号。 控制单元（14）在放大从通信单元接收的信号之后，通过通信单元将通过通信单元接收的信号发送到目标节点。
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