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公开(公告)号：KR1020140075958A
公开(公告)日：2014-06-20
申请号：KR1020120143775
申请日：2012-12-11
Applicant: 한국전자통신연구원
CPC classification number: H04W72/085 , H04W16/14 , H04W64/00
Abstract: The purpose of the present invention is to provide a channel information providing method, a channel information providing database server, and a channel information providing system, which receive channel quality information from a cognitive radio terminal receiving channel information based on location information, and facilitate efficient use of channels using the received information. The channel information providing method according to a preferable embodiment of the present invention, as a channel information providing method using a database server providing channel information to the cognitive radio terminal based on the location information, comprises: a provision step of providing information on a channel to at least one cognitive radio terminal; a reception step of receiving collected information on quality of the channel from the at least one cognitive radio terminal; and a determination step of updating the information on the channel provided in the provision step by using the information received in the reception step.
Abstract translation: 本发明的目的是提供一种信道信息提供方法，信道信息提供数据库服务器和信道信息提供系统，其从认知无线电终端接收基于位置信息的信道信息的信道质量信息，并且有助于有效地 使用收到的信息使用频道。 根据本发明的优选实施例的信道信息提供方法作为使用基于位置信息向认知无线终端提供信道信息的数据库服务器的信道信息提供方法，包括：提供步骤，在信道上提供信息 至少一个认知无线电终端; 从所述至少一个认知无线电终端接收关于所述信道质量的收集信息的接收步骤; 以及确定步骤，通过使用在接收步骤中接收的信息来更新提供步骤中提供的信道上的信息。
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公开(公告)号：KR1020140057921A
公开(公告)日：2014-05-14
申请号：KR1020120124288
申请日：2012-11-05
Applicant: 한국전자통신연구원
IPC: H04L25/02
CPC classification number: H03M7/46 , H03M7/3062
Abstract: The present invention relates to an apparatus and a method for compressing a signal in dynamic compressive sensing, wherein the apparatus comprises a signal inputting part for outputting an input signal, and, concurrently, generating and outputting a linear measurement reference signal based on the input signal; a linear deforming part for receiving the linear measurement reference signal and variably generating a linear measurement matrix value according to the linear measurement reference signal; a signal compressing part for outputting a compressed signal for the input signal based on the generated linear measurement matrix value; and a signal processing part for restoring the compressed signal and performing spectrum sensing on the input signal. The present invention uses sparsity information of the input signal, thereby enhancing signal compression efficiency in compressive sensing and signal restoration performance. Moreover, the present invention compresses a signal using a compression matrix appropriate for the sparsity information of the input signal, thereby enhancing the compression efficiency in the compressive sensing and improving the signal restoration performance.
Abstract translation: 本发明涉及一种用于压缩动态压缩感测中的信号的装置和方法，其中该装置包括用于输出输入信号的信号输入部分，并且同时基于输入信号产生和输出线性测量参考信号 ; 线性变形部分，用于接收线性测量参考信号，并根据线性测量参考信号可变地生成线性测量矩阵值; 信号压缩部分，用于基于所生成的线性测量矩阵值输出用于输入信号的压缩信号; 以及用于恢复压缩信号并对输入信号执行频谱感测的信号处理部分。 本发明使用输入信号的稀疏信息，从而提高压缩感测和信号恢复性能中的信号压缩效率。 此外，本发明使用适合于输入信号的稀疏信息的压缩矩阵来压缩信号，从而提高压缩感测中的压缩效率并提高信号恢复性能。
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公开(公告)号：KR1020140009917A
公开(公告)日：2014-01-23
申请号：KR1020130033231
申请日：2013-03-28
Applicant: 한국전자통신연구원
Abstract: Disclosed is a coexistence management system and method for measuring channel information between frequency-sharing devices. The system includes a plurality of CE (coexistence enabler) in each of WSOs (white space objects) having at least one measuring capability, capable of measuring channel information about an active channel using; a CM (coexistence manager) checking the measuring capability of the WSO with at least one CE in its group and receiving the channel information about the active channel from at least one WSO in another group neighboring according to the checking result; and a CDIS (coexistence discovery and information server) registering at least one measuring capacity of each of the WSOs.
Abstract translation: 公开了一种用于测量频率共享设备之间的信道信息的共存管理系统和方法。 该系统包括具有至少一个测量能力的每个WSO（空白物体）中的多个CE（共存启动器），能够测量关于使用的活动信道的频道信息; CM（共存管理器）根据检查结果，在至少一个CE中检查WSO的测量能力，并从另一个组中的至少一个WSO接收关于活动信道的信道信息; 以及CDIS（共存发现和信息服务器）登记每个WSO的至少一个测量能力。
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公开(公告)号：KR101314248B1
公开(公告)日：2013-10-02
申请号：KR1020090038957
申请日：2009-05-04
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0007 , H04J11/00 , H04L5/0028 , H04L5/0048 , H04L25/0226 , H04L27/0008 , H04L27/2607 , H04L27/262
Abstract: 본 발명은 차세대 이동통신 시스템에서 상향링크에 대해 직교주파수 분할 다중접속(OFDMA) 방식과 단일반송파 주파수분할 다중접속 방식을 혼용하기 위해, 파일럿을 위한 숏(short) 블록을 사용하지 않고 파일럿을 데이터 부분에 삽입하여 전송하는 송신 장치 및 그 방법에 관한 것으로, 직교주파수분할다중접속(OFDMA)과 단일 반송파 주파수분할다중접속(SC-FDMA)을 선택적으로 사용하기 위해, 파일럿을 전송하기 위한 장치에 있어서, 변조된 심벌 내에 파일럿을 삽입하고, 상기 삽입된 파일럿을 위한 순환전치(CP) 부호를 삽입하기 위한 파일럿 삽입수단; 상기 파일럿 삽입수단에 의해 파일럿이 삽입된 심벌들을 입력받아 업 샘플링을 수행하는 업 샘플링 처리수단; 상기 업 샘플링 처리수단의 출력에 대해 주파수 영역의 데이터를 적당한 부반송파에 실을 수 있도록 보간 필터값과 순환 콘볼루션을 수행하여 보간 처리를 수행하는 보간 처리수단; 및 상기 보간 처리수단의 출력에 대해 순환전치 부호를 삽입하는 순환전치 삽입수단을 포함한다.
OFDMA, SC-FDMA, 직교, 주파수, 분할, 다중, 보호, 구간, 순환, 전치, 보간, 파일럿, CP-
公开(公告)号：KR1020130068026A
公开(公告)日：2013-06-25
申请号：KR1020110135149
申请日：2011-12-15
Applicant: 한국전자통신연구원
IPC: H04L1/00
CPC classification number: H04L1/0054
Abstract: PURPOSE: An error correcting method in a communication system and a correcting apparatus for the same are provided to reduce the number of retransmission caused by a frame error, thereby improving a network transmission rate. CONSTITUTION: A modulator checks a frame of a receiving signal and detects the position of data having high probability of generating an error. An error code substituting unit finds the position of data having high probability of generating an error by referring to a demodulator and searches for a different value to substitute regarding the data in the found position. A frame error checking unit checks again whether an error occurs or not in the transferred frame and delivers the transferred frame to an upper layer block or the error code substituting unit according to the checking results. [Reference numerals] (601) Demodulator; (602) Frame error inspection unit; (603) Error code substituter; (604) Upper layer block
Abstract translation: 目的：提供一种用于通信系统及其校正装置的纠错方法，以减少由帧错误引起的重传次数，从而提高网络传输速率。 构成：调制器检查接收信号的帧，并检测具有产生错误概率的数据的位置。 错误代码单元通过参照解调器来找出产生错误概率高的数据的位置，并搜索不同的值来替代找到位置的数据。 帧错误检查单元再次检查传送帧中是否发生错误，并根据检查结果将传送帧传送到上层块或错误代码单元。 （601）解调器; （602）帧错误检测单元; （603）错误代码替换; （604）上层块
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Patent Agency Ranking
公开(公告)号：KR1020120056645A
公开(公告)日：2012-06-04
申请号：KR1020100118278
申请日：2010-11-25
Applicant: 한국전자통신연구원
CPC classification number: H04W24/00
Abstract: PURPOSE: A multiple channel signal detection method and apparatus thereof are provided to effectively embody a system by reducing time and calculation rates which are necessary for detecting signals in multiple channels. CONSTITUTION: A transmission and reception apparatus(530) senses channels. A processor(510) technically contacts to the transmission and reception apparatus. The processor detects the signals based on interesting section sensing data. The processor is established in order to determine the nonexistence of a detection target signal in each channel which constructs interesting sections when the detection target signal is not detected.
Abstract translation: 目的：提供多信道信号检测方法及其装置，通过减少检测多个信道中的信号所必需的时间和计算速率来有效地体现系统。 构成：发送和接收装置（530）感测信道。 处理器（510）技术上与发送和接收装置接触。 处理器根据有趣的部分感测数据来检测信号。 建立处理器，以便在检测目标信号未被检测时，确定在每个通道中不存在检测目标信号，其构建感兴趣部分。
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公开(公告)号：KR1020110085887A
公开(公告)日：2011-07-27
申请号：KR1020110002634
申请日：2011-01-11
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0413 , H04L5/0048 , H04L27/2611
Abstract: PURPOSE: An uplink MIMO transmission data and multiplexed uplink DM-RS transmission method are provided to transmit a reference signal within OFDM symbol without overhead of a reference signal. CONSTITUTION: A DM-RS(Demodulation-Reference Signal) sequence is allocated to a first transmission layer DM-RS signal sequence in order to transmit uplink(S210). The DM-RS sequence is allocated to the DM-RS sequence of a second transmission layer(S220). The DM-RS sequence is multiplexed by the first transmission layer and the second transmission layer(S230).
Abstract translation: 目的：提供上行MIMO传输数据和多路复用上行DM-RS传输方法，以在OFDM符号内传输参考信号，而无需参考信号的开销。 构成：为了发送上行链路，将DM-RS（解调参考信号）序列分配给第一传输层DM-RS信号序列（S210）。 DM-RS序列被分配给第二传输层的DM-RS序列（S220）。 DM-RS序列由第一传输层和第二传输层复用（S230）。
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公开(公告)号：KR1020110036512A
公开(公告)日：2011-04-07
申请号：KR1020100095221
申请日：2010-09-30
Applicant: 한국전자통신연구원
CPC classification number: H04W72/0413 , H04L1/001 , H04L5/0023 , H04L5/0053 , H04L5/0055 , H04L5/0057 , H04W72/04 , H04B7/0473 , H04B7/0623 , H04B7/063 , H04B7/0632 , H04B7/0639
Abstract: PURPOSE: A method for transmitting control information to a physical channel region in a MIMO(Multi-Input Multi-Output) system is provided to transmit control information such as ACK/NACK, CQI/PMI(Channel Quality Indicator/Precoding Matrix Indicator), and RI(Rank Indicator) to a PUSCH(Physical Uplink Shared CHannel) region. CONSTITUTION: CQI/PMI information is encoded by using one channel encoder. The encoded CQI/PMI information is transmitted by using a plurality of layers. A part of layers are generated from the same code words. The code word, which generates layers, is selected from an MCS(Modulation and Coding Scheme) in case two or more code words exist on an uplink signaling.
Abstract translation: 目的：提供一种在MIMO（多输入多输出）系统中向物理信道区域发送控制信息的方法，用于发送诸如ACK / NACK，CQI / PMI（信道质量指示符/预编码矩阵指示符）等控制信息， 和RI（秩指示符）到PUSCH（物理上行链路共享信道）区域。 构成：使用一个通道编码器编码CQI / PMI信息。 通过使用多个层来发送编码的CQI / PMI信息。 一部分层是从相同的代码字生成的。 在上行链路信令中存在两个或更多个码字的情况下，从MCS（调制和编码方案）中选择产生层的码字。
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公开(公告)号：KR1020090066200A
公开(公告)日：2009-06-23
申请号：KR1020080085223
申请日：2008-08-29
Applicant: 한국전자통신연구원 , 아주대학교산학협력단
IPC: H04W36/18
Abstract: A user terminal and a method thereof for providing a service through handover are provided to maintain the quality of end-to-end service and to reduce the help of network in uplink layer. A service quality manager(220) determines the service quality customer satisfaction measurement of a service flow. A sequence manager(230) combines a service flow providing the same service transmitted through multi-path for handover. A handover manager(240) selects handover access network performing handover. When the handover manager provides the service through multi-path, the service flow satisfying a handover completion condition is connected.
Abstract translation: 提供用于通过切换提供服务的用户终端及其方法，以维持端到端服务的质量并减少上行链路层中网络的帮助。 服务质量管理器（220）确定服务流程的服务质量客户满意度测量。 序列管理器（230）组合提供通过多路径发送的用于切换的相同服务的服务流。 切换管理器（240）选择执行切换的切换接入网络。 当切换管理器通过多路径提供服务时，连接满足切换完成条件的服务流。
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公开(公告)号：KR1020090066199A
公开(公告)日：2009-06-23
申请号：KR1020080085222
申请日：2008-08-29
Applicant: 한국전자통신연구원 , 아주대학교산학협력단
Abstract: An element and an interworking scheme decision method of a communications system and an apparatus thereof considering the communications environment are provided to interwork between the arrangement of communications system components and the elements in consideration of the communications environment. A communications environment analysis unit(3201) determines wireless communications network in consideration of the inputted wireless communications network information. An organization element choice unit(3203) determines the communications system component according to the wireless communications network. A component arrangement positioning unit(3205) determines the arrangement position of element according to the set up information. An interworking scheme setting unit sets up the interworking scheme of the communications components in which the arrangement position is determined.
Abstract translation: 提供了考虑通信环境的通信系统及其装置的元素和互配方案决策方法，以考虑到通信环境的通信系统组件的布置和元素之间的相互配合。 通信环境分析单元（3201）考虑所输入的无线通信网络信息来确定无线通信网络。 组织单元选择单元（3203）根据无线通信网络确定通信系统组件。 元件配置定位单元（3205）根据设置信息确定元件的布置位置。 互通方案设置单元设置确定了布置位置的通信部件的互通方案。
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