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公开(公告)号：KR1020080050211A
公开(公告)日：2008-06-05
申请号：KR1020070042510
申请日：2007-05-02
Applicant: 한국전자통신연구원
IPC: H04J13/12
CPC classification number: H04B1/7097 , H04B1/7115 , H04B2201/709709
Abstract: A method for transmitting/receiving signals in a communication system are provided to reduce a BER(Bit Error Rate) and provide a good low-noise sensitivity by applying a pre-rake scheme to a spreading code. A primary modulation unit modulates data for a user(S310). A continuous orthogonal spreading code generating unit generates a spreading code continuously having orthogonality during a certain time period(S320). A spreading modulation unit spreads/modulates the modulated data symbol value by using the continuous orthogonal spreading code(S330). A pre-rake combining unit converts a spread/modulated transmission signal into a pre-rake combining signal and transmits it via a transmission antenna(S340).
Abstract translation: 提供了一种用于在通信系统中发送/接收信号的方法，以通过对扩展码应用预耙式方案来降低BER（误码率）并提供良好的低噪声灵敏度。 一次调制单元调制用户的数据（S310）。 连续正交扩展码生成单元在特定时间段内生成连续具有正交性的扩展码（S320）。 扩展调制单元通过使用连续正交扩展码扩展/调制调制数据符号值（S330）。 预分频组合单元将扩频/调制的发送信号转换为预耙合并信号，并经由发送天线发送（S340）。
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公开(公告)号：KR1020080018093A
公开(公告)日：2008-02-27
申请号：KR1020070061252
申请日：2007-06-21
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
IPC: H04N5/913
Abstract: A device for transmitting a digital broadcast signal and a receiving for receiving a digital broadcast signal using ZCD(Zero Correlation Duration) and LCD(Low Correlation Duration) spreading codes is provided to improve the performance of a system by deriving correlation characteristics through a matching filter of a receiving end. Digital broadcast data is modulated according to ATSC(Advanced Television Systems Committee) standards(S100). ZCD code and LCD code having characteristics of a continuous zero correlation duration are inserted to the modulated digital broadcast signal(S200). The generated broadcast signal is transmitted(S300). A signal watermarked with ZCD code and LCD code maintaining continuous zero correlation duration characteristics is received from multiple transmitters using the same frequency(S400). Correlation characteristics are derived from the received signal by using a matching filter and a transmitter is recognized according to the result of the correlation characteristics driving(S500). A broadcast signal received from the recognized transmitter is processed(S600).
Abstract translation: 提供一种用于发送数字广播信号的设备和用于使用ZCD（零相关持续时间）和LCD（低相关持续时间）扩展码接收数字广播信号的接收器，以通过通过匹配滤波器导出相关特性来提高系统的性能 的接收端。 数字广播数据根据ATSC（高级电视系统委员会）标准进行调制（S100）。 将具有连续零相关持续时间的特征的ZCD码和LCD码插入调制数字广播信号（S200）。 发送生成的广播信号（S300）。 使用相同频率从多个发射机接收具有ZCD码和维持连续零相关持续时间特性的LCD码的信号（S400）。 通过使用匹配滤波器从接收信号导出相关特性，并且根据相关特性驱动的结果识别发射机（S500）。 从识别的发送器接收的广播信号被处理（S600）。
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23.发明授权씨디엠에이 통신 시스템에서의 분산 안테나의 동적그룹핑을 위한 송수신기 및 제어 시스템과 이를 이용한동적 그룹핑 제어 방법 失效在本发明的实施方式中，本发明提供了一种方法，该方法包括以下步骤：
公开(公告)号：KR100437732B1
公开(公告)日：2004-06-30
申请号：KR1020010085691
申请日：2001-12-27
Applicant: 한국전자통신연구원 , 학교법인 서강대학교
IPC: H04B7/26
Abstract: 본 발명은 씨디엠에이 통신 시스템에서의 분산 안테나의 동적 그룹핑을 위한 송수신기 및 제어 시스템과 이를 이용한 동적 그룹핑 제어 방법에 관한 것이다. 본 발명의 하나의 특징에 따른 씨디엠에이 통신 시스템에서의 분산 안테나의 동적 그룹핑 제어 방법은, 하나 이상의 분산 안테나로부터 기지국에 수신된 신호들을 상기 분산 안테나별로 분리하고, 분리된 신호로부터 얻어지는 정보를 이용하여 사용자 단말기의 위치에 따라 각 분산 안테나별로 송신 전력을 조절하는 분산 안테나 제어 방법으로서, 상기 분산 안테나로부터 수신되는 신호를 구분하여 지연 소자의 전송 지연을 상기 분산 안테나 별로 다르게 설정하는 단계; 및 수신된 신호로부터 상기 분산 안테나별 송신 전력 감쇄량을 산출하여 송신하는 단계를 포함한다.
본 발명은 CDMA 집중 시스템의 각 분산 안테나로부터 수신된 신호 세기를 기준으로 각 분산 안테나의 송신 신호 전력을 조절하며, 이에 따라 통신 서비스 경계 지역에서 품질을 저하시키지 않고 원활하게 이동 통신 서비스를 제공할 수 있고, 통화 시 간섭 전력을 최소화 할 수 있다.Abstract translation: 目的：提供一种用于CDMA通信系统中的分布式天线的动态分组的收发器和控制系统以及使用该收发器的动态分组控制方法，用于基于从分布式天线接收的信号强度来控制每个分布式天线的传输信号功率，由此 平稳地提供移动通信服务而不会使质量恶化并且使干扰功率最小化。 构成：RAU（远程天线单元）（200_1-200_3）发送从终端（100）接收到的通信数据，或者通过从中央单元（300）接收到的通信功率将通信数据发送到终端（100）。 中央单元（300）基于从RAU（200_1-200_3）接收到的传输延迟来控制在RAU（200_1-200_3）中通过可变功率接收通信数据。 每个RAU（200_1-200_3）由传输延迟元件（210）和接收传输延迟元件（220）组成。 传输延迟元件（210）计算中央单元（300）的传输延迟条件，并传输条件。 接收传输延迟元件（220）接收从中央单元（300）接收的传输延迟数据。
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24.发明公开씨디엠에이 통신 시스템에서의 분산 안테나의 동적그룹핑을 위한 송수신기 및 제어 시스템과 이를 이용한동적 그룹핑 제어 방법 失效用于CDMA通信系统和控制系统中分布式天线的动态分组的收发器和使用该通信系统的动态分组控制方法
公开(公告)号：KR1020030055649A
公开(公告)日：2003-07-04
申请号：KR1020010085691
申请日：2001-12-27
Applicant: 한국전자통신연구원 , 학교법인 서강대학교
IPC: H04B7/26
Abstract: PURPOSE: A transceiver for dynamic grouping of distributed antennas in a CDMA communication system and a control system and a dynamic grouping control method using the same are provided to control transmission signal power of each distributed antenna based on signal strength received from the distributed antennas, thereby smoothly supplying a mobile communication service without deteriorating quality and minimizing interference power. CONSTITUTION: RAUs(Remote Antenna Units)(200_1-200_3) transmit communication data received from a terminal(100), or transmit the communication data to the terminal(100) by communication power received from a central unit(300). The central unit(300) controls to receive the communication data by variable power in the RAUs(200_1-200_3) based on transmission delay received from the RAUs(200_1-200_3). Each of the RAUs(200_1-200_3) consists of transmission delay elements(210) and receiving transmission delay elements(220). The transmission delay elements(210) calculate transmission delay conditions of the central unit(300), and transmit the conditions. The receiving transmission delay elements(220) receive transmission delay data received from the central unit(300).
Abstract translation: 目的：提供CDMA通信系统中的分布式天线的动态分组收发信机，控制系统和使用该收发信机的动态分组控制方法，根据从分布式天线接收的信号强度来控制各分散天线的发射信号功率，从而 平稳地提供移动通信服务而不降低质量并最小化干扰功率。 构成：RAU（远程天线单元）（200_1-200_3）发送从终端（100）接收的通信数据，或者通过从中央单元（300）接收的通信功率将通信数据发送到终端（100）。 中央单元（300）基于从RAU（200_1-200_3）接收的传输延迟来控制以RAU（200_1-200_3）中的可变功率接收通信数据。 每个RAU（200_1-200_3）由传输延迟元件（210）和接收传输延迟元件（220）组成。 传输延迟元件（210）计算中央单元（300）的传输延迟条件，并传送条件。 接收传输延迟元件（220）接收从中央单元（300）接收的传输延迟数据。
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25.发明公开신호대 잡음비 추정에 의한 엘디피씨 복호화 장치의 최대반복 복호수 적응 설정 장치 및 그 방법과, 이 장치를포함하는 엘디피씨 복호화 장치 및 그 방법 无效最大重复性解码通过信号对噪声比估计的LDPC解码装置的自适应设置装置及其方法，以及LPDC解码方法和包括T的装置
公开(公告)号：KR1020030016720A
公开(公告)日：2003-03-03
申请号：KR1020010050423
申请日：2001-08-21
Applicant: 한국전자통신연구원
IPC: H03M13/11
CPC classification number: H03M13/1128 , H03M13/3715 , H03M13/6502
Abstract: PURPOSE: A maximum repetitive decoding number adaptive setting apparatus of an LDPC(Low Density Parity Check) decoding apparatus by SNR(Signal to Noise Ratio) estimation and method thereof, and a LDPC decoding method and apparatus including the same are provided, which reduces calculation and delay efficiently by reducing an average repetitive decoding number. CONSTITUTION: According to the maximum repetitive decoding number adaptive setting apparatus decoding a signal encoded by LDPC(Low Density Parity Check), a signal to noise ration estimation part(110) estimates a signal to noise ratio corresponding to the received LDPC encoding signal, and a maximum repetitive decoding number setting part(130) sets a maximum repetitive decoding number corresponding to the estimated signal to noise ratio adaptively on the basis of a storing part where the maximum repetitive decoding number corresponding to a random signal to noise ratio is stored.
Abstract translation: 目的：提供通过SNR（信噪比）估计的LDPC（低密度奇偶校验）解码装置的最大重复解码数自适应设定装置及其包括该LDPC解码方法及其装置的LDPC解码方法及装置， 并通过减少平均重复解码数来有效地延迟。 构成：根据由LDPC（低密度奇偶校验）编码的信号进行解码的最大重复解码数自适应设定装置，信噪比估计部（110）估计与接收到的LDPC编码信号对应的信噪比， 最大重复解码号码设定部（130）根据存储与随机信噪比对应的最大重复解码数的存储部分自适应地设定与估计信噪比对应的最大重复解码号。
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Patent Agency Ranking
公开(公告)号：KR1020020040284A
公开(公告)日：2002-05-30
申请号：KR1020000070292
申请日：2000-11-24
Applicant: 한국전자통신연구원
Inventor： 차재상
IPC: H04J13/14
CPC classification number: H04J13/14 , H04J13/0055 , H04J13/0074
Abstract: PURPOSE: A method for generating a binary spread code having a ZCD(Zero Correlation Duration) and an apparatus therefor are provided to generate a spread code in which a side lobe around the peak of an autocorrelation value and a cross correlation value are zero during a uniform time interval which is less than (N/2+1) chips. CONSTITUTION: A binary autocorrelation preferred pair code generating unit(100) expands a code period to a code in which a period is N chips and generates a binary ZCD preferred pair code in which a zero correlation characteristic is maintained. A binary autocorrelation duration code set generator(170) shifts the generated binary ZCD preferred pair code and generates a ZCD code set.
Abstract translation: 目的：提供一种用于产生具有ZCD（零相关持续时间）及其装置的二进制扩展码的方法，用于产生扩展码，其中在自相关值和互相关值的峰值附近的旁瓣在零 均匀时间间隔小于（N / 2 + 1）个芯片。 构成：二进制自相关优选对代码生成单元（100）将代码周期扩展到周期为N个码元的码，并生成维持零相关特性的二进制ZCD优选对码。 二进制自相关持续时间代码集生成器（170）移位生成的二进制ZCD优选对代码并生成ZCD代码集。
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公开(公告)号：KR101721702B1
公开(公告)日：2017-04-11
申请号：KR1020100064455
申请日：2010-07-05
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
Abstract: 본발명은유무선통신및 방송통신시스템의송신장치에서원래의신호인메인데이터외에부가적인정보인부가데이터의고속전송을위해, 메인데이터에영향을미치지않도록부가데이터를패딩하고, 수신장치에서이를우선적으로추출후 제거함으로써, 수신장치의메인데이터의복원시에부가데이터가영향을주지않는고속으로부가데이터를송수신하는장치및 방법에관한것이다.
Abstract translation: 本发明是从系统中的有关在除了原有sinhoin主数据的附加数据的高速传输的附加信息的发送装置无线和有线通信和广播通信，填充额外的数据，以便不影响主数据，并优先地它从接收装置 通过萃取后去除，以用于发送，并在接收器的主数据的附加数据的时间来恢复受影响jujianneun以高速接收附加数据的设备和方法。
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公开(公告)号：KR101343761B1
公开(公告)日：2013-12-19
申请号：KR1020090122209
申请日：2009-12-10
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
Abstract: 워터마킹한 OFDM 신호를이용한위치인식장치및 방법을제안한다. 본발명의실시예에따른워터마킹한 OFDM 신호를이용한위치인식방법은, 워터마킹한 OFDM 신호수신하고, 워터마킹한 OFDM 신호에서상관특성을도출하여 OFDM 송신기들을식별하고, 각 OFDM 송신기들을상관특성피크치를구하고, 3개이상의 OFDM 송신기들의상관특성피크치의크기를이용해서계산하는 3개이상의 OFDM 송신기들과의거리들을이용해서휴대용단말기의위치를계산한다.
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公开(公告)号：KR1020110065632A
公开(公告)日：2011-06-16
申请号：KR1020090122210
申请日：2009-12-10
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
Abstract: PURPOSE: A method and method for transceiving additional data at a high speed by using a variable code set mapping are provided to increase data transmission rate according to the number of a diffusion code of a variable code set. CONSTITUTION: A variable code set storage unit(130) stores channel condition and a variable chord set. A mapping unit(140) selects a variable code set corresponding to channel condition. The mapping unit selects a preset spreading code corresponding to the supplementary data included in the preset size. A spreading/modulating unit(150) diffuses or modulates a data frame to be transmitted by using the selected diffused code.
Abstract translation: 目的：提供一种通过使用可变代码集映射来高速收发附加数据的方法和方法，以根据可变代码集的扩散码的数量增加数据传输速率。 构成：可变代码集存储单元（130）存储信道条件和可变和弦集合。 映射单元（140）选择与信道条件对应的可变码集。 映射单元选择与包括在预设大小中的补充数据相对应的预设扩展码。 扩展/调制单元（150）通过使用所选择的扩散码来扩散或调制要发送的数据帧。
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公开(公告)号：KR1020100056170A
公开(公告)日：2010-05-27
申请号：KR1020080115217
申请日：2008-11-19
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
IPC: H04H20/86 , H04N21/2389 , H04N21/8358 , H04N7/015
CPC classification number: H04H20/86 , H04N7/015 , H04N21/23892 , H04N21/8358
Abstract: PURPOSE: An apparatus and a method for transmitting or receiving a broadcasting signal are provided to use a family size of a spread code for watermarking used in a transmitter identifying system. CONSTITUTION: A broadcasting signal modulator(101) modulates a digital broadcasting signal to be transmitted by a predetermined modulation method. A spread code mapping unit by additional data maps additional data of the digital broadcasting signal on a pre-saved spreading code to generate a spread code for watermarking. A spread code inserting unit(103) inserts the spread code for watermarking to the modulated digital broadcasting signal to generate a digital broadcasting signal for transmission.
Abstract translation: 目的：提供一种用于发送或接收广播信号的装置和方法，以使用在发射机识别系统中使用的用于水印的扩展码的族大小。 构成：广播信号调制器（101）通过预定的调制方式调制要发送的数字广播信号。 通过附加数据的扩展码映射单元以预先存储的扩展码映射数字广播信号的附加数据，以产生用于水印的扩展码。 扩频代码插入单元（103）将用于水印的扩展码插入调制数字广播信号以产生用于传输的数字广播信号。
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