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公开(公告)号：KR1020140004569A
公开(公告)日：2014-01-13
申请号：KR1020130066740
申请日：2013-06-11
Applicant: 한국전자통신연구원
CPC classification number: H04B7/155 , H04L27/2627 , H04L27/265 , H04L27/2665
Abstract: A separated type base station in an OFDM based wired and wireless local loop and an operation method for the same are disclosed. The separated type base station may comprise a PHY layer part for QAM modulating parallel signals received from an MAC layer by sub-carriers; and an optical OFDM transmission part which produces OFDM samples by sub-carriers by converting the QAM modulated sub-carriers into a time domain; adds control information for driving a cyclic prefix (CP) and an enhanced radio unit (eRU) to the OFDM samples by sub-carriers to generate downstream signals, and transmits the generated downstream signals. [Reference numerals] (111) MAC layer part; (112,122) PHY layer part; (113) Optical OFDM transmission part; (121) Optical OFDM receiving part; (123) Signal transmitting part
Abstract translation: 公开了一种基于OFDM的有线和无线本地环路中的分离型基站及其操作方法。 分离型基站可以包括PHY层部分，用于通过子载波对从MAC层接收的并行信号进行QAM调制; 以及光OFDM传输部分，其通过将QAM调制子载波转换成时域来产生子载波的OFDM样本; 通过子载波将用于驱动循环前缀（CP）和增强型无线单元（eRU）的控制信息添加到OFDM样本，以生成下行信号，并发送生成的下行信号。 （附图标记）（111）MAC层部分; （112,122）PHY层部分; （113）光OFDM传输部分; （121）光OFDM接收部; （123）信号发送部
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公开(公告)号：KR1020130115039A
公开(公告)日：2013-10-21
申请号：KR1020120037583
申请日：2012-04-10
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: G06T9/004 , H04N19/436 , H04N19/593 , H04N19/61
Abstract: PURPOSE: A parallel intra prediction method of video data is provided to rapidly perform intra prediction by removing data dependency between prediction blocks when performing intra prediction in a process of encoding and decoding of video data. CONSTITUTION: An intra prediction unit classifies pixels included in more than one prediction units comprising a coding unit or a sub coding unit into one of the reference pixel group or the prediction pixel group (S10). The intra prediction unit generates a reference sub block and a prediction sub block, respectively using reference pixels included in the reference pixel group and prediction pixels included in the prediction pixel group (S20). The intra prediction unit performs encoding for the reference sub block (S30). The intra prediction unit performs encoding for the prediction sub block (S40). [Reference numerals] (AA) Start; (BB) End; (S10) Classify pixels of prediction units into a reference pixel group or a prediction pixel group; (S20) Generate a reference sub block and a prediction sub block; (S30) Encode the reference sub block; (S40) Encode the prediction sub block
Abstract translation: 目的：提供一种视频数据的并行帧内预测方法，通过在视频数据的编码和解码过程中执行帧内预测时，通过消除预测块之间的数据相关性来快速执行帧内预测。 构成：帧内预测单元将包括编码单元或子编码单元的多于一个的预测单元中的像素分类为参考像素组或预测像素组之一（S10）。 帧内预测单元分别使用包括在参考像素组中的参考像素和包括在预测像素组中的预测像素来生成参考子块和预测子块（S20）。 帧内预测单元对参考子块进行编码（S30）。 帧内预测单元对预测子块进行编码（S40）。 （附图标记）（AA）开始; （BB）结束; （S10）将预测单位的像素分类为参考像素组或预测像素组; （S20）生成参照子块和预测子块; （S30）对参考子块进行编码; （S40）对预测子块进行编码
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公开(公告)号：KR1020130043054A
公开(公告)日：2013-04-29
申请号：KR1020120097005
申请日：2012-09-03
Applicant: 한국전자통신연구원
CPC classification number: H04N19/174 , H04N19/132 , H04N19/156 , H04N19/88
Abstract: PURPOSE: An image processing method using image division and a device thereof are provided to disperse image quality degradation to the whole screen by dividing, encoding, and decoding an image even though an error of a partial slice occurs. CONSTITUTION: An image processing device divides an image frame into multiple sub blocks having a regular pixel size(S401). The device composes multiple macro blocks by sampling pixels at the same position in the sub blocks(S403). The device divides the macro blocks depending on the positions of the sampled pixels in the sub blocks in order to compose multiple slices(S405). [Reference numerals] (AA) Start; (BB) End; (S401) Dividing an image frame into multiple sub blocks having a regular pixel size; (S403) Composing multiple macro blocks by sampling pixels at the same position in a specific number of the sub blocks; (S405) Composing multiple slices by dividing the macro blocks depending on the positions of the sampled pixels in the sub blocks; (S407) Encoding the slices in parallel using multiple image encoding processors; (S409) Generating a bit stream by combining the encoded data;
Abstract translation: 目的：提供使用图像分割的图像处理方法及其装置，以便即使发生部分切片的误差，也可以通过对图像进行分割，编码和解码来将图像质量劣化分散到整个屏幕。 构成：图像处理装置将图像帧划分为具有规则像素大小的多个子块（S401）。 该装置通过对子块中相同位置处的像素进行采样来组合多个宏块（S403）。 该装置根据子块中的采样像素的位置来划分宏块以构成多个片段（S405）。 （附图标记）（AA）开始; （BB）结束; （S401）将图像帧分割为具有规则像素尺寸的多个子块; （S403）通过对特定数量的子块中的相同位置处的像素进行采样来构成多个宏块; （S405）通过根据子块中的采样像素的位置划分宏块来构成多个片段; （S407）使用多个图像编码处理器并行地对切片进行编码; （S409）通过组合编码数据生成比特流;
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公开(公告)号：KR1020120107386A
公开(公告)日：2012-10-02
申请号：KR1020110025050
申请日：2011-03-21
Applicant: 한국전자통신연구원
IPC: H04N19/33 , H04N19/53 , H04N19/103
CPC classification number: H04N19/53 , H04N19/176 , H04N19/33
Abstract: PURPOSE: A method for determining a high-speed mode using a prediction motion vector between scalable video coding extended inter layers is provided to store a coding value of a part around a basic layer, thereby determining a prediction vector in consideration of correlation between a current basic layer and a surrounding macro block. CONSTITUTION: A high-speed mode determining device operates a motion vector by coding a current basic layer block(S201). The device operates a motion vector by coding a basic layer block adjacent to the current basic layer block(S202). The device determines correlation based on the current basic layer block and the motion vector of a basic layer block adjacent to the current basic layer block(S203). The device determines a motion vector prediction omission mode of the current basic layer block according to the determination result(S204). [Reference numerals] (S201) Coding a basic layer; (S202) Coding the basic layer block of a peripheral block; (S203) Determining the correlation of the basic layer and the basic layer of the peripheral block; (S204) Basic layer omitting mode; (S205) Inter prediction(16x8,8x16,8x8); (S206) RD cost(16x8,8x16,8x8); (S207) Mode prediction(16x16); (S208) RD cost(16x16); (S209) RD optimum mode decision
Abstract translation: 目的：提供一种使用可伸缩视频编码扩展层之间的预测运动矢量确定高速模式的方法，用于存储一部分在基本层周围的编码值，从而考虑到电流之间的相关性来确定预测矢量 基本层和周围的宏块。 构成：高速模式确定装置通过对当前基本层块进行编码来操作运动矢量（S201）。 设备通过对与当前基本层块相邻的基本层块进行编码来操作运动矢量（S202）。 该装置基于当前基本层块和与当前基本层块相邻的基本层块的运动矢量来确定相关性（S203）。 该装置根据确定结果确定当前基本层块的运动矢量预测省略模式（S204）。 （附图标记）（S201）编码基本层; （S202）编码外围块的基本层块; （S203）确定周边块的基本层和基本层的相关性; （S204）基本层省略模式; （S205）帧间预测（16×8×16×8×8）; （S206）RD成本（16x8,8x16,8x8）; （S207）模式预测（16×16）; （S208）RD成本（16x16）; （S209）RD最优模式决定
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公开(公告)号：KR1020120070260A
公开(公告)日：2012-06-29
申请号：KR1020100131744
申请日：2010-12-21
Applicant: 한국전자통신연구원
IPC: H04B10/2581
CPC classification number: H04J14/0282 , H04B10/506
Abstract: PURPOSE: A seed light module for wavelength division multiplexing-based passive optical networks and a method for the same are provided to increase the optical bandwidth of seed light by controlling the polarization of the seed light. CONSTITUTION: A reflector(250) reflects seed light from a light source generating part. A light attenuator(240) attenuates the intensity of the reflected seed light and outputs the attenuated seed light to the light source generating part. The light attenuator attenuates the intensity of seed light input from the light generating part and outputs the attenuated seed light to the reflector. A polarization controlling part(220) controls the polarized direction of the seed light generated from the light source generating part and outputs the controlled seed light to the reflector.
Abstract translation: 目的：提供一种用于基于波分复用的无源光网络的种子光模块及其方法，用于通过控制种子光的极化来增加种子光的光学带宽。 构成：反射器（250）反射来自光源产生部分的种子光。 光衰减器（240）衰减反射的种子光的强度，并将衰减的种子光输出到光源产生部分。 光衰减器衰减从光产生部分输入的种子光的强度，并将衰减的种子光输出到反射器。 偏振控制部分（220）控制从光源产生部分产生的种子光的偏振方向，并将受控种子光输出到反射器。
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Patent Agency Ranking
公开(公告)号：KR1020120068589A
公开(公告)日：2012-06-27
申请号：KR1020100130278
申请日：2010-12-17
Applicant: 한국전자통신연구원
IPC: H04B10/2581
Abstract: PURPOSE: A transmission speed verifying apparatus is provided to accurately verify the transmission speed of optical signals in burst modes received in an optical receiving part by measuring the transmission speed of the signals. CONSTITUTION: A filter(210) passes a part of optical signals. A peak voltage detector(220) detects the peak voltage values of the optical signals which are passed through the filter. An integrator(230) integrates the detected peak voltage values for a pre-set period of time. A comparator(240) verifies the transmission speed of the optical signals by comparing the integrated value to a reference value for verifying the transmission speed of the signals.
Abstract translation: 目的：提供一种传输速度验证装置，通过测量信号的传输速度来准确地验证在光接收部分中接收的突发模式中的光信号的传输速度。 构成：滤光器（210）通过光信号的一部分。 峰值电压检测器（220）检测通过滤波器的光信号的峰值电压值。 积分器（230）将检测到的峰值电压值集成在预设时间段内。 比较器（240）通过将积分值与用于验证信号的传输速度的基准值进行比较来验证光信号的传输速度。
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公开(公告)号：KR101057816B1
公开(公告)日：2011-08-19
申请号：KR1020090076416
申请日：2009-08-18
Applicant: 한국전자통신연구원
IPC: H04B10/2581 , H04B10/60
CPC classification number: H04B10/695 , H04J14/0282 , H04L25/062 , H04L27/06
Abstract: 광신호 검파 장치 및 광신호 검파 방법이 개시된다. 본 발명의 일 실시예에 따른 광신호 검파 장치는 수신된 광신호를 전기신호로 변환하는 신호수신부, 변환된 전기 신호를 기초로 수학적 모델을 수립하고 이를 기초로 최적화된 판단 문턱값을 결정하는 판단 문턱값 결정부 및 변환된 전기신호를 산출된 최적화된 판단 문턱값을 기초로 검파하는 신호 검파부를 포함한다. 이에 의하면, 고정된 판단 문턱값이 아닌 수신되는 신호에 의해 최적화된 판단 문턱값을 사용함으로써 비트 에러율이 낮아져 검파성능을 향상시킬 수 있다.
검파기, WDM-PON, 판단문턱값Abstract translation: 公开了一种光信号检测装置和光信号检测方法。 根据本发明实施例的光信号检测器包括：信号接收器，用于将接收到的光信号转换为电信号;基于转换后的电信号的数学模型;以及确定 阈值确定器，以及用于基于所计算的优化阈值来检测转换的电信号的信号检测器。 据此，通过使用由接收信号优化的判定阈值而不是固定判定阈值，误码率降低并且可以改善检测性能。
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公开(公告)号：KR1020110071766A
公开(公告)日：2011-06-29
申请号：KR1020090128415
申请日：2009-12-21
Applicant: 한국전자통신연구원
IPC: H04B10/2581 , H04B10/43
CPC classification number: H04B10/503 , G02B5/08 , G02B5/26 , G02B27/30
Abstract: PURPOSE: A seed photo-generating apparatus is provided to more efficiently create the seed light used in the passive optical subscriber network. CONSTITUTION: An optical amplifier(2) creates the amplified spontaneous emission and amplifies to output. A reflective filter(1) comprises a front side back mirror, a backside reflection mirro, and collimates. The reflective receives and filters the light outputted from the optical amplifier through the optical fiber terminal. The reflective filter outputs the light of the fixed wavelet through the optical fiber terminal. The light outputted from the reflective filter is amplified through the optical amplifier and outputted to the seed light.
Abstract translation: 目的：提供种子光产生装置，以更有效地创建在无源光用户网络中使用的种子光。 构成：光放大器（2）产生放大的自发辐射并放大到输出。 反射滤光片（1）包括前侧后视镜，背面反射镜和准直件。 反射镜通过光纤端子接收和滤除从光放大器输出的光。 反射滤光片通过光纤端子输出固定小波的光。 从反射滤光器输出的光通过光放大器放大并输出到种子光。
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公开(公告)号：KR1020110071454A
公开(公告)日：2011-06-29
申请号：KR1020090128035
申请日：2009-12-21
Applicant: 한국전자통신연구원
IPC: H04N19/30 , H04N19/105
CPC classification number: H04N19/436 , H04N19/172 , H04N19/174 , H04N19/44 , H04N19/46
Abstract: PURPOSE: A scalable video coding apparatus is provided to improve encoding efficiency with a reference image selection mode. CONSTITUTION: According to the number of layers of bit stream, a reference image memory(140) partitions a memory area. The reference image memory stores a reference image by layer through each partitioned memory area. A reference image decision unit(150) manages mapping information about the reference image. The reference image decision unit decides the reference image necessary to the decoding of a currently inputted frame by layer.
Abstract translation: 目的：提供可扩展视频编码装置，以通过参考图像选择模式提高编码效率。 构成：根据比特流的层数，参考图像存储器（140）对存储区域进行分区。 参考图像存储器通过每个分区存储区存储参考图像。 参考图像判定单元（150）管理关于参考图像的映射信息。 参考图像判定单元决定当前输入的逐帧解码所需的参考图像。
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公开(公告)号：KR1020110066523A
公开(公告)日：2011-06-17
申请号：KR1020090123211
申请日：2009-12-11
Applicant: 한국전자통신연구원
CPC classification number: H04N19/423 , H04N19/172 , H04N19/174 , H04N19/44 , H04N19/46
Abstract: PURPOSE: A scalable video decoding device and method thereof are provide to process each class about one part among a decoding process for real time decode by utilizing function blocks. CONSTITUTION: An inverse quantization and an inverse transform result are outputted from a layer selecting unit(330). A residual signal up-sampling unit(350) performs a residual signal up-sampling. A deblocking unit(370) deblocks a restored image. A texture up-sampling unit(380) texture-up-samples the deblocked recovered image. A restructuring unit(360) processes a process of a reconfiguring the recovered image about one class.
Abstract translation: 目的：提供一种可扩展的视频解码设备及其方法，通过利用功能块，在解码过程中处理每个类的一个部分，用于实时解码。 构成：从层选择单元（330）输出逆量化和逆变换结果。 残余信号上采样单元（350）执行残余信号上采样。 去块单元（370）解除恢复的图像。 纹理上采样单元（380）对解块的恢复图像进行纹理采样。 重组单元（360）处理重新配置关于一个类的恢复图像的处理。
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