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Patent Agency Ranking
公开(公告)号：KR1020130037919A
公开(公告)日：2013-04-17
申请号：KR1020110102458
申请日：2011-10-07
Applicant: 목포대학교산학협력단
IPC: G02B6/293
CPC classification number: G02B6/29395 , G02B6/02076 , H04B10/2519 , H04J14/02
Abstract: PURPOSE: An optical microwave notch filter is provided to design a filter which signal-processes based on the optoelectronic technology in a microwave system processing high frequency band signals, thereby improving the convenience of operation and economical efficiency of the system. CONSTITUTION: An optical microwave notch filter capable of using a multiple optical source comprises the followings: a multiple optical source generating apparatus(400) consisting of a reflective semiconductor optical amplifier(100) of a single optical source and generating the optical source corresponding to a coefficient, and a plurality of bragg grid having an optical divider/coupling device and a constant interval; an optical modulator(500) receiving microwave signals; an optical delaying apparatus(600) including the multiple optical source generating apparatus(400) having all fibers or delay characteristic including the dispersion value, and having the optical time delay; an optical detector(700) detecting a signal processed in an optical region; a means which newly generates the optical source corresponding to a plurality of coefficient, a means controlling the time delay by newly controlling the generated optical source wave interval, and a means and an apparatus obtaining a response curve of a filter by controlling the time delay of the optical delaying apparatus(600) by controlling an optical fiber length and the dispersion value. [Reference numerals] (400) Multiple optical source generating apparatus; (500) Optical modulator; (600) Optical delaying apparatus; (700) Optical detector;
Abstract translation: 目的：提供一种微波陷波滤波器，用于设计一种基于微波系统中的光电子技术进行信号处理的滤波器，处理高频带信号，从而提高系统的操作方便性和经济性。 构成：能够使用多光源的光学微波陷波滤波器包括：由单个光源的反射半导体光放大器（100）构成的多光源发生装置（400），生成对应于 系数，以及具有光分路器/耦合装置和恒定间隔的多个布拉格栅格; 接收微波信号的光调制器（500） 包括具有包括所述色散值的所有光纤或延迟特性并且具有所述光学时间延迟的所述多光源发生装置（400）的光学延迟装置（600） 检测在光学区域中处理的信号的光学检测器（700）; 新产生对应于多个系数的光源的装置，通过新控制所产生的光源波间隔来控制时间延迟的装置，以及通过控制滤波器的时间延迟来获得滤波器的响应曲线的装置和装置 光延迟装置（600）通过控制光纤长度和色散值。 （附图标记）（400）多光源生成装置; （500）光调制器; （600）光延迟装置; （700）光检测器;
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公开(公告)号：KR1020130037913A
公开(公告)日：2013-04-17
申请号：KR1020110102450
申请日：2011-10-07
Applicant: 목포대학교산학협력단
Abstract: PURPOSE: A code division multiplexing optical fiber Bragg lattice sensor network is provided to execute monitoring without a collision at the center by multiplexing information received from each sensor. CONSTITUTION: A first sensor and a second sensor sense signals. A reflective semiconductor optical amplifier amplifies the amplitude of a signal reflected from the first sensor and the second sensor. The first and the second sensor are mutually independent. The peak of a pulse outputted from the reflective semiconductor optical amplifier is linearly changed.
Abstract translation: 目的：提供码分复用光纤布拉格点阵传感器网络，通过复用从每个传感器接收的信息，在中心执行监控而不发生冲突。 构成：第一传感器和第二传感器检测信号。 反射半导体光放大器放大从第一传感器和第二传感器反射的信号的幅度。 第一和第二传感器是相互独立的。 从反射半导体光放大器输出的脉冲的峰值线性地变化。
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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：KR101369356B1
公开(公告)日：2014-03-06
申请号：KR1020120060509
申请日：2012-06-05
Applicant: 목포대학교산학협력단
Abstract: 본 발명은 WUSB 시스템의 QoS 성능 향상을 위한 릴레이 통신 방법에 대하여 개시한다. 본 발명의 일면에 따른 WUSB(Wireless USB) 호스트 및 목적지 디바이스 간의 QoS(Quality of Service) 성능 향상을 위한 릴레이 통신 방법은, WUSB 클러스터 내 상기 호스트와 상기 호스트와 상기 목적지 디바이스와 다른 복수의 디바이스 간 및 상기 복수의 디바이스와 목적지 디바이스 간 채널의 SoQ(Satisfaction of QoS) 중계값을 확인하는 단계; 상기 복수의 디바이스 중에서, 상기 SoQ 중계값이 가장 큰 디바이스를 선별하고, 선별된 상기 디바이스의 SoQ 중계값이 상기 호스트와 상기 목적지 디바이스 간의 직접 경로의 SoQ 값보다 큰지를 확인하는 단계; 상기 선별된 디바이스의 SoQ 중계값이 상기 직접 경로의 SoQ 값보다 크면, 상기 선별된 디바이스를 릴레이 디바이스로 결정하는 단계; 및 상기 호스트에서 상기 릴레이 디바이스를 거쳐 상기 목적지 디바이스로 데이터 프레임을 송신하는 단계를 포함하는 것을 특징으로 한다.
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公开(公告)号：KR1020130136814A
公开(公告)日：2013-12-13
申请号：KR1020120060509
申请日：2012-06-05
Applicant: 목포대학교산학협력단
CPC classification number: H04W40/22 , H04L45/302 , H04W40/12
Abstract: Disclosed is a relay transmission method for quality enhancement of service (QoS) in a wireless USB (WUSB) system. A relay transmission method for improving QoS between a WUSB host and a destination device includes the steps of: checking satisfaction of QoS (SoQ) relay values of a channel between the host and multiple devices different from the host and the destination device, and between the multiple devices and the destination device; selecting a device having the highest SoQ relay value among the multiple devices, and checking whether the SoQ relay value of the selected device is greater than a SoQ value of a direct route between the host and the destination device; deciding the selected device as a relay device when the SoQ value of the selected device is greater than the SoQ value of the direct route; and transmitting a data frame from the host to the destination device through the relay device.
Abstract translation: 公开了一种用于在无线USB（WUSB）系统中提高服务质量（QoS）的中继传输方法。 一种用于改善WUSB主机与目的设备之间的QoS的中继传输方法包括以下步骤：检查主机与不同于主机和目的设备的多个设备之间的信道的QoS（SoQ）中继值的满足度，以及 多个设备和目的设备; 选择多个设备中具有最高SoQ中继值的设备，并检查所选设备的SoQ中继值是否大于主机与目的设备之间直连路由的SoQ值; 当所选设备的SoQ值大于直接路由的SoQ值时，将所选择的设备判定为中继设备; 并通过中继装置从主机发送数据帧到目的设备。
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