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公开(公告)号：KR1020110068775A
公开(公告)日：2011-06-22
申请号：KR1020100036029
申请日：2010-04-19
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0854 , H04L1/0054 , H04L1/0071 , H04L1/0631 , H04L1/0643 , H04L1/0668 , H04L25/0204 , H04L25/0246 , H04L25/03057 , H04L2025/03426
Abstract: PURPOSE: A MIMO system, receiving apparatus, and signal receiving method are provided to increase signal transmission ratio and link level performance and to reduce the complexity of a receiver. CONSTITUTION: A QR decomposition unit(300) converts a receiving signal into a receiving vector. The QR decomposition unit decomposes the channel matrix vector of the received vector to a single matrix vectors and an upper triangular matrix vector. A first estimation unit(302) estimates a symbol through the decomposed vectors. The first estimation unit calculates an LLR(Log Likelihood Ratio). A second estimation unit(304) estimates the symbol in a DFE(Determination Feedback Equalizer) method.
Abstract translation: 目的：提供MIMO系统，接收装置和信号接收方法，以增加信号传输比和链路级性能，降低接收机的复杂度。 构成：QR分解单元（300）将接收信号转换为接收向量。 QR分解单元将接收向量的信道矩阵向量分解为单个矩阵向量和上三角矩阵向量。 第一估计单元（302）通过分解向量来估计符号。 第一估计单元计算LLR（对数似然比）。 第二估计单元（304）以DFE（确定反馈均衡器）方法估计该符号。
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公开(公告)号：KR1020110068168A
公开(公告)日：2011-06-22
申请号：KR1020090125016
申请日：2009-12-15
Applicant: 한국전자통신연구원
IPC: H04W28/22
Abstract: PURPOSE: A data transmission rate control method of a wireless communication system and apparatus thereof are provided to efficiently control the transmission rate of data without complex hardware and algorithm. CONSTITUTION: A receiver effects the error of a received frame(102). The receiver counts the number of errors(104). The receiver calculates error average value(106). The receiver generates a control frame(108). The receiver transmits the control frame from a transmitter(110). The transmitter determines the change of data through the control frame. The transmitter changes data transfer rate(112). The transmitter transmits the data frame.
Abstract translation: 目的：提供无线通信系统及其装置的数据传输速率控制方法，以有效地控制数据的传输速率，而无需复杂的硬件和算法。 构成：接收器影响接收帧的误差（102）。 接收器计数错误数（104）。 接收机计算误差平均值（106）。 接收器产生控制帧（108）。 接收机从发射机（110）发送控制帧。 发射机通过控制帧确定数据的变化。 发射机改变数据传输速率（112）。 发射机发送数据帧。
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公开(公告)号：KR1020110060382A
公开(公告)日：2011-06-08
申请号：KR1020090116953
申请日：2009-11-30
Applicant: 한국전자통신연구원
CPC classification number: H04W28/16 , H04L47/72 , H04L47/824 , H04L47/828 , H04W16/28 , H04W84/18 , H04L47/10
Abstract: PURPOSE: A resource allocation method in a wireless communication network using directional beam and an apparatus thereof are provided to control inter-node simultaneous flow transmission. CONSTITUTION: A coordinator unit produces a number of flows simultaneously transmitted between a plurality of nodes(500). The coordinator unit establishes the priority to the flow(510). The coordinator unit groups the flow which can be simultaneously transmitted(520). In order that each node transmits the one or more grouped flows by group at the same time, the coordinator unit allocates resources to the each node(530).
Abstract translation: 目的：提供使用定向波束的无线通信网络中的资源分配方法及其装置，以控制节点间同时流传输。 构成：协调器单元产生在多个节点（500）之间同时发送的多个流。 协调器单元确定流的优先级（510）。 协调器单元对可以同时发送的流进行分组（520）。 为了使每个节点同时按组发送一个或多个分组的流，协调器单元向每个节点（530）分配资源。
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公开(公告)号：KR1020110060181A
公开(公告)日：2011-06-08
申请号：KR1020090116693
申请日：2009-11-30
Applicant: 한국전자통신연구원
CPC classification number: H04N19/146 , H04N19/105 , H04N19/196 , H04N19/593 , H03M7/55 , H04N19/50 , H04N19/65 , H04N19/85
Abstract: PURPOSE: According to transmission bandwidth or storage capacity, a lossless/semi lossless image compression apparatus and method are provided to minimize a loss of an image. CONSTITUTION: In order to encode suitably for a target encoding quantity by the usage of the encoded amount of bits, a rate control unit(120) controls an allowable error range in a slice unit. A prediction and modulation unit(150) predict the pixel of a current position with the usage of adjacent pixels. The prediction and modulation unit calculates an error between pixel values. The prediction and modulation modulates the error. An encoder(160) encodes the modulated error.
Abstract translation: 目的：根据传输带宽或存储容量，提供无损/半无损图像压缩设备和方法，以最大限度地减少图像丢失。 构成：为了通过使用编码量的比特适当地编码目标编码量，速率控制单元（120）控制片单元中的容许误差范围。 预测和调制单元（150）利用相邻像素来预测当前位置的像素。 预测和调制单元计算像素值之间的误差。 预测和调制调制误差。 编码器（160）对调制的误差进行编码。
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公开(公告)号：KR1020110057394A
公开(公告)日：2011-06-01
申请号：KR1020090113775
申请日：2009-11-24
IPC: H04L12/28 , H04L12/801 , H04W28/14
CPC classification number: H04L47/10
Abstract: PURPOSE: A data packet transmitting device and method thereof are provided to transmit a plurality of data packets by using a smaller amount of memory than a data amount which is desired to be transmitted. CONSTITUTION: A data packer unit(103) distinguishes each of a plurality of data packets into a data interval and blank interval. The data packer unit arranges the distinguished data intervals. The data packer unit generates a group data packet by arranged the distinguished blank interval.
Abstract translation: 目的：提供数据分组发送装置及其方法，通过使用比希望发送的数据量少的存储量来发送多个数据分组。 构成：数据打包器单元（103）将多个数据分组中的每一个区分为数据间隔和空白间隔。 数据打包器单元布置不同的数据间隔。 数据打包器单元通过布置不同的空白间隔来生成组数据包。
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Patent Agency Ranking
公开(公告)号：KR1020100071627A
公开(公告)日：2010-06-29
申请号：KR1020080130414
申请日：2008-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0007 , H04B7/14 , H04L5/0032 , H04L5/0037 , H04L5/0048 , H04L25/03866 , H04L27/2613 , H04L27/2655
Abstract: PURPOSE: An apparatus and a method thereof for assigning sequence to the synchronous channel for the node recognition are provided to be created the sequence for the node recognition of the relaying node by using the sequence for the node recognition allocated to base node it is offered. CONSTITUTION: The sequence generation part(103) for the relaying node transfigures the base sequence. The sequence generation part for the relaying node is created the sequence for the node identification recognition of the relaying node relay sequence. The base band generating unit(104) the base sequence or the relay sequence in the frequency domain and time domain the mapping.
Abstract translation: 目的：提供一种用于为节点识别的同步信道分配序列的装置及其方法，以通过使用分配给其提供的基本节点的节点识别的序列来创建用于中继节点的节点识别的序列。 构成：中继节点的序列生成部（103）变换基序列。 为中继节点的序列生成部分创建中继节点中继序列的节点识别识别序列。 基带发生单元（104）的基本序列或中继序列在频域和时域中的映射。
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公开(公告)号：KR1020100051222A
公开(公告)日：2010-05-17
申请号：KR1020080110270
申请日：2008-11-07
Applicant: 한국전자통신연구원
CPC classification number: H04B7/15535 , H04B7/0617 , H04L45/22
Abstract: PURPOSE: A relay apparatus for multi-gigabit data transmission is provided to relay data transmitted to a detour path by forming a beam, thereby smoothly transceiving data with the first and second transceiving devices. CONSTITUTION: A receiving unit(120) receives a signal through beam-forming of a beam pattern of an antenna(110). A receiving module(130) generates a converting signal by amplification and down conversion of the signal. A modem module(140) generates an encoding signal of the converted signal. A transmitting module(150) generates a transmitting signal. A transmitting unit(160) transmits the transmitting signal through the beam-forming of the beam pattern of the antenna(170).
Abstract translation: 目的：提供一种用于多吉比特数据传输的中继设备，用于通过形成一个波束来中继发送到迂回路径的数据，从而平滑地收发与第一和第二收发设备的数据。 构成：接收单元（120）通过波束形成天线（110）的波束图案来接收信号。 接收模块（130）通过信号的放大和下变频产生转换信号。 调制解调器模块（140）生成转换信号的编码信号。 发送模块（150）生成发送信号。 发送单元（160）通过天线（170）的波束图形的波束形成来发送发送信号。
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公开(公告)号：KR1020100032299A
公开(公告)日：2010-03-25
申请号：KR1020090073707
申请日：2009-08-11
Applicant: 한국전자통신연구원
CPC classification number: H04L1/0072 , H04L1/0041
Abstract: PURPOSE: A method and an apparatus for configuring protocol header is provided to effectively process protocol header information of a variable length in a receiving device by easily extracting variable length header information. CONSTITUTION: A variable length physical layer header(123) and a fixed length physical layer header(121) are composed. The fixed length physical layer header is encoded according to a first coding scheme. A header check sequence is generated in order to check the fixed length physical layer header, the variable length physical layer header and the combination of MAC header. The MAC(Media Access Control) header and HCS(Header Check Sequence) which are scrambled by scrambling the MAC header and HCS are generated. The variable length physical layer header, the scrambled MAC header and HCS are encoded according to a second coding scheme.
Abstract translation: 目的：提供一种用于配置协议报头的方法和装置，通过容易地提取可变长度报头信息来有效地处理接收设备中可变长度的协议报头信息。 构成：构成可变长度物理层报头（123）和固定长度物理层报头（121）。 固定长度物理层报头根据第一编码方案进行编码。 为了检查固定长度物理层报头，可变长度物理层报头和MAC报头的组合，生成报头检查序列。 生成MAC（媒体访问控制）头部和通过对MAC头部和HCS进行扰频而加扰的HCS（头部检查序列）。 根据第二编码方案对可变长度物理层报头，加扰MAC报头和HCS进行编码。
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公开(公告)号：KR1020090092688A
公开(公告)日：2009-09-01
申请号：KR1020080127117
申请日：2008-12-15
Applicant: 한국전자통신연구원
CPC classification number: H04B10/1127 , H04B7/10
Abstract: A data transceiving apparatus using the polarization transmission in an LOS wireless communication system and a method thereof are provided to transmit/receive data by using the polarization diversity when transmitting the data by using a directional antenna. A transmitter senses the generation of a data transmitting event(300), requests a polarization setup from a receiver(302), sets up different polarization paths in an antenna(304), and then connects the antenna of the receiver to a polarization path through an antenna training sequence(306). The receiver confirms a transmitting scheme corresponding to the property of transmission data and kinds of provided services(308).
Abstract translation: 提供使用LOS无线通信系统中的极化传输的数据收发装置及其方法，通过使用定向天线发送数据时，通过使用极化分集来发送/接收数据。 发射机感测数据传输事件（300）的生成，从接收机（302）请求偏振设置，在天线（304）中建立不同的极化路径，然后将接收机的天线连接到极化路径，通过 天线训练序列（306）。 接收机确认与发送数据的属性和提供的业务种类相对应的发送方案（308）。
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公开(公告)号：KR1020090062477A
公开(公告)日：2009-06-17
申请号：KR1020070129754
申请日：2007-12-13
Applicant: 한국전자통신연구원
IPC: H04B1/7075
CPC classification number: H04B1/7075 , H04B1/12 , H04L7/041
Abstract: A hybrid despreading device of the direct sequence spread spectrum scheme is provided to perform the dispreading, signal detection, synchronization and transmission frequency error estimation, simply. A spreading code generation unit(120) produces a plurality of the second spreading codes by phase-shifting the first spreading code according to each shifted phase value. A despreading unit(130) produces each despreading value corresponding to the second spreading codes. A maximum despreading value selecting unit(140) selects a despreading value having the largest absolute value among despreading values as the maximum despreading value. A frequency offset estimator(150) estimates the frequency difference between a transmission frequency and a receiving frequency.
Abstract translation: 提供直接序列扩频方案的混合解扩装置，简单地执行分散，信号检测，同步和传输频率误差估计。 扩展码产生单元（120）通过根据每个移位的相位值移相第一扩展码来产生多个第二扩展码。 解扩单元（130）产生对应于第二扩展码的每个去扩展值。 最大解扩值选择单元（140）在解扩值中选择绝对值最大的解扩值作为最大解扩值。 频率偏移估计器（150）估计传输频率和接收频率之间的频率差。
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