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公开(公告)号：KR1020130110985A
公开(公告)日：2013-10-10
申请号：KR1020120033381
申请日：2012-03-30
Applicant: 한국전자통신연구원
CPC classification number: H04W72/082 , H04W72/12 , H04J11/005 , H04W84/18
Abstract: PURPOSE: A resource allocating device for the interference evasion of a wireless communication system and a method thereof are provided to prevent receiving failure caused by interference generated by incomplete synchronization with neighbor nodes in a wireless mesh network. CONSTITUTION: An allocation control unit (230) selects a simultaneous receiving impossibility node and a simultaneous transmission impossibility node about each hop node of a node by using a signal quality value of each hop node. The allocation control unit excludes a transmission-expected resource of the simultaneous transmission impossibility node from a transmission resource during the transmission resource allocation of the node. The allocation control unit excludes the transmission-expected resource of the simultaneous transmission impossibility node from a receiving resource of the node during the receiving resource allocation of the node. [Reference numerals] (210) Transmitting unit; (220) Receiving unit; (230) Allocation control unit
Abstract translation: 目的：提供一种用于无线通信系统的干扰逃避的资源分配装置及其方法，以防止由于与无线网状网络中的邻居节点不完全同步而产生的干扰而导致的接收故障。 构成：分配控制单元（230）通过使用每个跳跃节点的信号质量值来选择关于节点的每个跳跃节点的同时接收不可能节点和同时发送不可能节点。 分配控制单元在节点的传输资源分配期间从传输资源排除同时传输不可能节点的传输预期资源。 在节点的接收资源分配期间，分配控制单元从节点的接收资源中排除同时发送不可能节点的发送预期资源。 （附图标记）（210）发送单元; （220）接收单元; （230）分配控制单元
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公开(公告)号：KR101207570B1
公开(公告)日：2012-12-03
申请号：KR1020090003509
申请日：2009-01-15
CPC classification number: H04B7/024 , H04B7/0617 , H04B7/0626 , H04J11/0053
Abstract: 셀간 간섭완화방법에서, 복수의단말을복수의그룹으로그룹화한다. 기지국이복수의그룹중 제1 그룹에속한제1 단말에는인접기지국과의협력없이데이터를전송한다. 그리고기지국이복수의그룹중 제2 그룹에속한제2 단말에는인접기지국과의협력을통하여데이터를전송한다.
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公开(公告)号：KR1020120126447A
公开(公告)日：2012-11-21
申请号：KR1020110044226
申请日：2011-05-11
Applicant: 한국전자통신연구원 , 강원대학교산학협력단
CPC classification number: H04W72/0446 , H04W56/00 , H04W72/082 , H04W84/18
Abstract: PURPOSE: A resource allocation method in a wireless communication system is provided to reduce interference between users by allocating a slot having the highest performance index among unoccupied slots in an OFDMA(Orthogonal Frequency Division Multiple Access) type ad-hoc system to a terminal. CONSTITUTION: A resource allocating device senses a subcarrier already being used by the other terminal among all of subcarriers(S410). The resource allocating device obtains a time error, a frequency error, and receiving power information of the occupied subcarrier(S420). The resource allocating device calculates an SINR(Signal-to-Interference plus Noise Ratio) of unoccupied subcarriers(S430). The resource allocating device allocates a subcarrier having the highest SINR among the unoccupied subcarriers to a terminal(S440). [Reference numerals] (S410) Sensing a subcarrier being used; (S420) Acquiring a time error, a frequency error, and receiving power information of the occupied subcarrier; (S430) Calculating SINR of unoccupied subcarriers; (S440) Selecting and allocating a subcarrier with the maximum SINR
Abstract translation: 目的：提供一种无线通信系统中的资源分配方法，用于通过在OFDMA（正交频分多址）类型自组织系统中的未占用时隙之间分配具有最高性能指标的时隙来减少用户之间的干扰。 构成：资源分配装置检测所有子载波中已经被其他终端使用的副载波（S410）。 资源分配装置获取所占用的副载波的时间误差，频率误差和接收功率信息（S420）。 资源分配装置计算未占用子载波的SINR（信号与干扰加噪声比）（S430）。 资源分配装置将未占用副载波中具有最高SINR的子载波分配给终端（S440）。 （附图标记）（S410）感测正在使用的副载波; （S420）获取所占用的副载波的时间误差，频率误差和接收功率信息; （S430）计算未占用子载波的SINR; （S440）选择并分配具有最大SINR的子载波
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公开(公告)号：KR1020120071949A
公开(公告)日：2012-07-03
申请号：KR1020100133695
申请日：2010-12-23
Applicant: 한국전자통신연구원
CPC classification number: H04L1/0003 , H04L25/0224
Abstract: PURPOSE: A data transmission and reception method is provided to reduce the misjudgment probability of other data by reducing the reliability of an interference area and by improving decoding performance in a high interference area. CONSTITUTION: A data transmission apparatus divides a user data area into a section A and a section B(S101). The data transmission apparatus selects the allocation method of section B data and section A data according to the probability of the section A and B(S103). The data transmission apparatus differently encodes to an MSB(Most Significant Bit) and an LSB(Least Significant Bit)(S105). The data transmission apparatus differently applies a modulation method to the MSB and the LSB(S107).
Abstract translation: 目的：提供一种数据发送和接收方法，通过降低干扰区域的可靠性并改善高干扰区域的解码性能，减少其他数据的误判概率。 构成：数据发送装置将用户数据区域划分为A区和B区（S101）。 数据发送装置根据部分A和B的概率选择部分B数据和部分A数据的分配方法（S103）。 数据发送装置对MSB（最高有效位）和LSB（最低有效位）进行不同地编码（S105）。 数据发送装置将调制方法不同地应用于MSB和LSB（S107）。
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公开(公告)号：KR1020100125950A
公开(公告)日：2010-12-01
申请号：KR1020090044930
申请日：2009-05-22
Applicant: 한국전자통신연구원 , 한화시스템 주식회사
IPC: H04N7/24
Abstract: PURPOSE: A multi image compression apparatus and a method thereof for compressing an image inputted from a camera are provided to accurately monitor network resource in order to support a data ratio compression mode. CONSTITUTION: A video input unit(301) acquires an image which a client desires to watch the image inputted from a camera and transfers the image to an image compression unit(402). An image compressing system(405) is embedded in a plurality of compressors. A controller(309) decides whether each compressor compresses the image in a JPEG2000 mode. A network interface unit(307) receives the compression mode information from a client.
Abstract translation: 目的：提供一种用于压缩从相机输入的图像的多图像压缩装置及其方法，以准确地监视网络资源，以支持数据比压缩模式。 构成：视频输入单元（301）获取客户端希望观看从相机输入的图像的图像，并将图像传送到图像压缩单元（402）。 图像压缩系统（405）嵌入在多个压缩机中。 控制器（309）确定每个压缩器是否以JPEG2000模式压缩图像。 网络接口单元（307）从客户端接收压缩模式信息。
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Patent Agency Ranking
公开(公告)号：KR1020100070761A
公开(公告)日：2010-06-28
申请号：KR1020080129452
申请日：2008-12-18
Applicant: 한국전자통신연구원 , 인하대학교 산학협력단
CPC classification number: H04W88/04 , H04W16/26 , H04W72/085
Abstract: PURPOSE: A data transmission method and a terminal therefor of a terminal-relay station system base data communications method of the terminal - relay center system base and terminal therefor are provided to continuously supply a communication in order not to connect of a base station and with a terminal. CONSTITUTION: A channel quality information measuring unit(220) measures a channel quality information of a neighboring terminal based on 'a signal transmitted to a base station' received in a signal receiving unit. A signal transmitting unit(230) includes a channel quality information of the neighboring terminal measured in the channel quality information measuring unit to an uplink slot. The signal transmitting unit transmits the uplink slot to the base station. A controller(240) changes a mode in a terminal mode into a relay station when the signal receiving unit receives a terminal-relay station signal.
Abstract translation: 目的：提供终端 - 中继中心系统基站和终端的终端中继站系统基础数据通信方法的数据传输方法及其终端，以连续提供通信，以便不连接基站和与 一个终端。 构成：信道质量信息测量单元（220）基于在信号接收单元中接收到的“发送给基站的信号”来测量相邻终端的信道质量信息。 信号发送单元（230）包括在信道质量信息测量单元中测量的相邻终端的信道质量信息到上行链路时隙。 信号发送单元向基站发送上行链路时隙。 当信号接收单元接收终端中继站信号时，控制器（240）将终端模式中的模式改变为中继站。
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公开(公告)号：KR1020100021378A
公开(公告)日：2010-02-24
申请号：KR1020090075136
申请日：2009-08-14
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
CPC classification number: H04B7/0617 , H04B7/0417 , H04B7/0639 , Y02D70/1262 , Y02D70/444
Abstract: PURPOSE: A method for generating bean forming vector considering adjacent cell interference is provided. CONSTITUTION: A method for generating bean forming vector comprises: a step of receiving information of first and second precoding matrixes from a serving base station(200); and a step of generating the beam forming vactor by linearly binding the first and second precoding matrixes. The first precoding matrix is a precoding matrix which maximizes transfer power from a terminal to serving base station. The second precoding matrix is a precoding matrix which minimizes interference power from the terminal to adjacent base station.
Abstract translation: 目的：提供一种考虑邻接小区干扰的生成bean形成向量的方法。 构成：用于生成bean形成向量的方法包括：从服务基站（200）接收第一和第二预编码矩阵的信息的步骤; 以及通过线性地结合第一和第二预编码矩阵来生成波束形成引擎的步骤。 第一预编码矩阵是使从终端到服务基站的传送功率最大化的预编码矩阵。 第二预编码矩阵是使从终端到相邻基站的干扰功率最小化的预编码矩阵。
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公开(公告)号：KR1020090097101A
公开(公告)日：2009-09-15
申请号：KR1020090004301
申请日：2009-01-19
Applicant: 한국전자통신연구원
CPC classification number: H04L27/3433 , H03M13/25 , H03M13/258 , H03M13/356 , H04L1/006 , H04L1/0071
Abstract: An apparatus and a method for mapping a symbol are provided to symbol-map reliability of information bits and reliability of redundancy bits differently, thereby improving performance. A systematic encoder encodes transmission data(S410). An encoder outputs a plurality of information bits including added redundancy bits. A puncher punches an information bit and a redundancy bit(S420). The puncher punches only the redundancy bit except the information bit. An information interleaver interleaves the punched information bit. The redundancy interleaver interleaves a punched redundancy bit(S430). A symbol mapping device maps the interleaved information bit and the interleaved redundancy bit on symbols respectively(S440).
Abstract translation: 提供了用于映射符号的装置和方法，用于不同地对符号映射信息位的可靠性和冗余位的可靠性，从而提高性能。 系统编码器对发送数据进行编码（S410）。 编码器输出包括附加的冗余位的多个信息位。 打孔机冲击信息位和冗余位（S420）。 打孔机只打破除信息位之外的冗余位。 信息交织器交织穿孔信息位。 冗余交织器交织穿孔冗余位（S430）。 符号映射设备分别对交织的信息比特和交织的冗余比特进行映射（S440）。
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公开(公告)号：KR1020090079176A
公开(公告)日：2009-07-21
申请号：KR1020090003509
申请日：2009-01-15
CPC classification number: H04B7/024 , H04B7/0617 , H04B7/0626 , H04J11/0053 , H04B7/0413 , H04L1/0618
Abstract: A method of mitigating inter-cell interference is provided to mitigate the interference in the boundary of cell by transmitting data without cooperation between base stations or through the cooperation between base stations according to the location of a terminal and SINR. A method for mitigating the interference between cells in the base station is as following. A plurality of terminals is grouped to a plurality of groups(S270). A first data is transmitted without a cooperation of a neighboring base station in a first terminal which belongs to a first group among a plurality of groups. A second data is transmitted through a cooperation of a neighboring base station in a second terminal which belongs to a second group among a plurality of groups.
Abstract translation: 提供减轻小区间干扰的方法，通过在基站之间进行协作或通过基站与SINR的位置之间的协作来发送数据来减轻小区边界的干扰。 用于减轻基站中的小区之间的干扰的方法如下。 多个终端被分组成多个组（S270）。 在属于多个组中的第一组的第一终端中不发送相邻基站的协作来发送第一数据。 通过属于多个组中的第二组的第二终端中的相邻基站的协作来发送第二数据。
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公开(公告)号：KR1020090042508A
公开(公告)日：2009-04-30
申请号：KR1020070108305
申请日：2007-10-26
CPC classification number: H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L25/0226 , H04L25/0232 , H04L27/2613
Abstract: A pilot design method, the recording medium and a transmission apparatus are provided to improve the channel estimation performance by using the existing structure of tile. An encoder encodes the data into the corresponding code rate(S210). A digital modulator modulates the data encoded into the digital modulation(S220). A sub channel allocation part assigns the subcarrier for transmitting data(S230). The sub channel allocation part assigns a part subcarrier of the tile for transmitting the pilot(S240). A reverse Furrier transform unit(IFFT) converts the data and produces the signal by a plurality of symbols(S250). A guard interval insertion unit inserts the guard interval of the time region between the plurality of symbols(S260). A transmission unit transmits the OFDMA signal including the plurality of symbols in which the guard interval is inserted to the radio channel through an antenna(S270).
Abstract translation: 提供了一种导频设计方法，记录介质和发送装置，以通过使用现有的瓦片结构来改善信道估计性能。 编码器将数据编码成相应的码率（S210）。 数字调制器调制编码为数字调制的数据（S220）。 子信道分配部分分配用于发送数据的子载波（S230）。 子信道分配部分分配用于发送导频的瓦片的子副载波（S240）。 反向傅立叶变换单元（IFFT）转换数据并通过多个符号产生信号（S250）。 保护间隔插入单元插入多个符号之间的时间区域的保护间隔（S260）。 传输单元通过天线发送包括其中保护间隔被插入无线电信道的多个符号的OFDMA信号（S270）。
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