-
公开(公告)号：KR1020130035964A
公开(公告)日：2013-04-09
申请号：KR1020120109143
申请日：2012-09-28
Applicant: 한국전자통신연구원
IPC: H04B7/24
CPC classification number: H04W56/001 , H04W72/04 , H04W76/14 , H04W84/042
Abstract: PURPOSE: A direct communication method between the terminals based on a cellular network is provided to construct the selective operation of distributed control based D2D(Device To Device) communication, center control based D2D communication, and cellular communication in a cellular network. CONSTITUTION: Devices participating in D2D communication are synchronized by using a proper reference signal(210). Each device finds out other devices which are able to provide the D2D communication(220). After finding out other devices, a device which is necessary for transmission and reception connects adjacent devices(230). Devices participating in link scheduling broadcast a CID(Connection Identification) by using resources corresponding to the CID(240). [Reference numerals] (210) Synchronizing step; (220) Discovery step; (230) Paging step; (240) Traffic communication step;
Abstract translation: 目的：提供基于蜂窝网络的终端之间的直接通信方法，以构建基于分布式控制的D2D（设备到设备）通信，基于中心控制的D2D通信和蜂窝网络中的蜂窝通信的选择性操作。 构成：参与D2D通信的设备通过使用适当的参考信号（210）进行同步。 每个设备发现能够提供D2D通信的其他设备（220）。 在发现其他设备之后，发送和接收所需的设备连接相邻设备（230）。 参与链路调度的设备通过使用与CID（240）相对应的资源来广播CID（连接标识）。 （附图标记）（210）同步步骤; （220）发现步骤; （230）寻呼步骤; （240）交通通信步骤;
-
公开(公告)号：KR101206116B1
公开(公告)日：2012-11-28
申请号：KR1020090079200
申请日：2009-08-26
Applicant: 한국전자통신연구원
CPC classification number: H04B7/024 , H04B7/0669 , H04L1/0606 , H04L1/0668 , H04L2001/0092
Abstract: 본 발명은 단말기가 여러 개의 기지국으로부터 동일한 무선 자원을 사용하여 동일한 데이터를 전송 받을 수 있는 다중 셀 협력 통신 시스템에서 전송 다이버시티 기법을 적용하는 방법에 대해서 제안한다. 제안하는 방법에서는 협력 통신에 참여하고 있는 협력 기지국의 기지국들은 서빙 기지국의 기지국에서 전송 다이버시티를 적용하기 위하여 사용한 시간, 주파수 자원과 동일한 자원을 사용하여 전송 다이버시티를 적용한다.
다중 셀 협력 통신, 전송 다이버시티, 프리코딩-
公开(公告)号：KR1020120067806A
公开(公告)日：2012-06-26
申请号：KR1020100129400
申请日：2010-12-16
Applicant: 한국전자통신연구원
IPC: H04N5/262
CPC classification number: G06T19/006 , G06T5/002 , G06T2207/20 , G06T2207/30204 , G06T2207/30241
Abstract: PURPOSE: A multiple objects operating method through multiple copies of a perception reference point in augmented-reality graphic is provided to collectively random copy software through extraction of perception reference point within the graphic. CONSTITUTION: A multiple object operating method through multiple copies of a perception reference point in augmented-reality graphic comprises the following steps: extracting outline for recognition reference point recognition(11) by use of Hough transform algorithm if an image input(10) begins; manufacturing multi object environment construction basis data after preprocessing of the image; coping the base data on a screen(13); applying Mean-Shift algorithm to the perception reference point for multi object operation(14); and outputting the processed image with multiple objects(15).
Abstract translation: 目的：通过在图形中提取感知参考点，将增强现实图形中的感知参考点的多个副本的多个对象操作方法提供给集体随机复制软件。 构成：通过增强现实图形中的感知参考点的多个拷贝的多对象操作方法包括以下步骤：如果图像输入（10）开始，则使用霍夫变换算法来提取用于识别参考点识别的轮廓（11）; 制作图像预处理后的多对象环境构造基础数据; 在屏幕（13）上应对基本数据; 将Mean-Shift算法应用于多对象操作的感知参考点（14）; 并输出具有多个对象的处理图像（15）。
-
公开(公告)号：KR1020120007997A
公开(公告)日：2012-01-25
申请号：KR1020110070251
申请日：2011-07-15
Applicant: 한국전자통신연구원
CPC classification number: H04W16/14 , H04W16/32 , H04W52/244 , H04W72/082
Abstract: PURPOSE: An interference controlling method between a base station and a terminal is provided to prevent the collision when the transmission of a control signal or data in case a low power node is close to a macro base station in a heterogeneous network environment. CONSTITUTION: A small cell base station receives control channel area information which is not overlapped with a control channel area which a macro base station uses from a macro base station having coverage(S410). The small cell base station transmits a downlink control channel through the control channel area(S420). The small cell base station transmits resource for the control channel of the small cell terminal.
Abstract translation: 目的：提供基站与终端之间的干扰控制方法，以防止在异构网络环境中低功率节点接近宏基站时控制信号或数据的传输。 规定：小型基站从具有覆盖的宏基站（S410）接收与宏基站使用的控制信道区域不重叠的控制信道区域信息。 小小区基站通过控制信道区域发送下行控制信道（S420）。 小小区基站发送用于小小区终端的控制信道的资源。
-
公开(公告)号：KR1020110061465A
公开(公告)日：2011-06-09
申请号：KR1020100024089
申请日：2010-03-18
CPC classification number: H04W72/1215 , H04B7/022 , H04L5/0035 , H04L41/042 , H04W8/06 , H04W36/06
Abstract: PURPOSE: A communication apparatus and communication method for the dynamic control of a multi-cell cooperation transmission are provided to dynamically control the cooperation transmission of base stations according to a used code book and beam phase compensation. CONSTITUTION: A determining unit determines whether two or more base stations cooperate with each other(210). A precoding matrix determining unit calculates each precoding matrix of the base station(220). A gain efficiency calculating unit calculates the gain efficiency due to the cooperation transmission of the base station based on the precoding matrix(230).
Abstract translation: 目的：提供用于多小区协作传输的动态控制的通信装置和通信方法，以根据所使用的码本和波束相位补偿来动态地控制基站的协作传输。 构成：确定单元确定两个或多个基站是否彼此协作（210）。 预编码矩阵确定单元计算基站（220）的每个预编码矩阵。 增益效率计算单元基于预编码矩阵来计算由于基站的协作传输引起的增益效率（230）。
-
Patent Agency Ranking
公开(公告)号：KR1020100133918A
公开(公告)日：2010-12-22
申请号：KR1020100055935
申请日：2010-06-14
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0051 , H04L27/2614 , H04L27/2636 , H04L27/2611 , H04L25/0224 , H04L27/2607 , H04L27/2628
Abstract: PURPOSE: By minimizing the increase of PAPR the reference symbol structure for the DFT sprdead OFDM system multiplexes data symbol and reference symbol in the same OFDM symbol. CONSTITUTION: Data symbols(310, 311, 312, 313) and reference symbols transformed the DFT are multiplexed in the frequency domain. It alternates with reference symbols and data symbols are multiplexed. Data symbols transformed DFT cope with odd-number subcarriers. Reference symbols cope with even numbered turn subcarriers.
Abstract translation: 目的：通过最小化PAPR的增加，DFT sprdead OFDM系统的参考符号结构在相同的OFDM符号中复用数据符号和参考符号。 构成：数据符号（310,311,312,313）和变换的DFT的参考符号在频域中被复用。 它与参考符号交替，数据符号被复用。 数据符号变换的DFT处理奇数子载波。 参考符号对应偶数转副载波。
-
公开(公告)号：KR1020100106924A
公开(公告)日：2010-10-04
申请号：KR1020100024088
申请日：2010-03-18
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0473 , H04L27/2636
Abstract: PURPOSE: A method and an apparatus for layer shifting in a MIMO communication system are provided to use a multi-antenna technique with an orthogonal frequency division multiple access technique while maintaining the characteristics of a single carrier frequency division multiple access signal having a low maximum/minimum power ratio. CONSTITUTION: A method for layer shifting in a MIMO communication system comprises the steps of: dividing at least one codeword comprising modulation symbols(810); mapping at least one divided codeword to plural layers; mixing the plural layers by DFT symbol unit(820); performing a DFT conversion for the mixed plural layers(830); and mapping the plural layer to at least one antenna port(840-850).
Abstract translation: 目的：提供一种在MIMO通信系统中进行层移的方法和装置，以使用具有正交频分多址技术的多天线技术，同时保持具有低最大/最小值的单载波频分多址信号的特性， 最小功率比。 构成：MIMO通信系统中的层移动方法包括以下步骤：将至少一个包含调制符号的码字（810）进行划分; 将至少一个划分的码字映射到多个层; 通过DFT符号单元（820）混合多个层; 对混合的多层（830）执行DFT转换; 以及将所述多层映射到至少一个天线端口（840-850）。
-
公开(公告)号：KR1020100105451A
公开(公告)日：2010-09-29
申请号：KR1020100023474
申请日：2010-03-16
Applicant: 한국전자통신연구원
IPC: H04B7/14
CPC classification number: H04B7/2606 , H04B7/15542 , H04B7/15557 , H04W72/0426 , H04W88/085
Abstract: PURPOSE: A method for transmitting data in a wireless communication system including a relay is provided to determine frame configuration and transmission timing of a backhaul downlink and a backhaul uplink in consideration of at least one of transceiving switching time and signal transmitting time to transceive data, thereby effectively transceiving data between the relay and the base station in the wireless communication system. CONSTITUTION: A base station transmits a backhaul downlink signal according to frame configuration of backhaul downlink and timing of the backhaul downlink determined in consideration of at least one of transceiving switching time and signal transmitting time of a relay station. The relay receives the backhaul downlink signal according to the frame configuration of the backhaul downlink and the timing.
Abstract translation: 目的：提供一种在包括中继的无线通信系统中发送数据的方法，以便考虑收发切换时间和收发数据的信号发送时间中的至少一个来确定回程下行链路和回程上行链路的帧配置和传输定时， 从而在无线通信系统中有效地在中继站和基站之间收发数据。 构成：考虑到中继站的收发切换时间和信号发送时间中的至少一个，基站根据回程下行链路的帧配置和回程下行链路的定时发送回程下行链路信号。 继电器根据回程下行链路的帧配置和定时接收回程下行链路信号。
-
219.发明公开
公开(公告)号：KR1020100084483A
公开(公告)日：2010-07-26
申请号：KR1020100003839
申请日：2010-01-15
Applicant: 한국전자통신연구원 , 중앙대학교 산학협력단
CPC classification number: H04B7/15507 , H04L5/0048 , H04L5/0053 , H04L25/24 , H04L27/2613 , H04L27/262 , H04L27/2655 , H04W56/001
Abstract: PURPOSE: A device and a method for transmitting a relay-synchronization signal in an LTE-A system based on orthogonal frequency division with a multi hop relay are provided to prevent complexity for detecting an R-SS(Relay-Synchronization Signal) from drastically increasing. CONSTITUTION: An SS generating unit(610) generates an SS. The SS comprises an SSS(Secondary Synchronization Signal) and a PSS(Primary Synchronization Signal) synchronized with a terminal. An R-SS generating unit(620) generates an R-PSS(Relay-Primary Synchronization Signal) using a PSS. An R-PSS has the same PAPR(Peak-to-Average Power Ratio) property as the PSS. The R-PSS includes a low correlation property.
Abstract translation: 目的：提供一种基于与多跳中继器的正交频分复用的LTE-A系统中发送中继同步信号的装置和方法，以防止检测R-SS（中继同步信号）的复杂性急剧增加 。 构成：SS生成单元（610）生成SS。 SS包括与终端同步的SSS（辅同步信号）和PSS（主同步信号）。 R-SS生成单元（620）使用PSS生成R-PSS（中继主同步信号）。 R-PSS具有与PSS相同的PAPR（峰均功率比）特性。 R-PSS包括低相关性。
-
公开(公告)号：KR100963410B1
公开(公告)日：2010-06-14
申请号：KR1020080094077
申请日：2008-09-25
Applicant: 한국전자통신연구원 , 고려대학교 산학협력단
CPC classification number: H04B7/022 , H04B7/026 , H04B7/15592 , H04L1/0045 , H04L2001/0097
Abstract: 릴레이 시스템에서 신호점 재배열 또는 중첩 변조를 기반으로 하는 협력 수신 다이버시티 장치 및 방법은 송신기로부터 임의의 중첩 변조된 심볼을 수신하는 단계; 상기 수신한 심볼에 대한 복조 및 복호를 수행하는 단계; 및, 상기 수신한 심볼을 상기 송신기와 다른 중첩 변조를 이용하여 변조한 후 수신기로 중계하는 단계; 및, 중계기와 송신기로부터 임의의 중첩 변조된 심볼을 수신하면 상기 심볼의 로그 가능성률(LLR: Log-Likelihood Ratio)을 계산하는 단계; 및, 중계기로부터 상기 송신기와는 다르게 중첩 변조된 심볼을 수신하면 상기 다르게 중첩 변조된 심볼의 로그 가능성률을 계산하는 단계; 및, 상기 송신기와 상기 중계기를 통해 수신한 심볼들의 각각의 로그 가능성률을 더하여 결합하는 단계를 포함하는 수신기를 포함한다.
신호점 성상도, 신호점 재배열, 중첩 변조, Superposition
-
-
-
-
-
-
-
-
-
Search Results
414
records
(took 0.034 seconds)
