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公开(公告)号：KR1020120042138A
公开(公告)日：2012-05-03
申请号：KR1020100103661
申请日：2010-10-22
CPC classification number: H04W48/16 , H04J11/0076 , H04L27/2607
Abstract: PURPOSE: A cell search method in a wireless communication system is provided to detect a SSS(Secondary Synchronization Signal) sequence and a cross correlation by calculating a sequence in a corresponding sequence group. CONSTITUTION: Symbol timing and frequency synchronization are estimated by calculating the cross correlation between a PSS sequence which is a first synchronous signal and transmitted to a frame and the PSS(Primary Synchronization Signal) sequence already known. A cell ID is extracted through an estimation procedure(S10). A first cross correlation is calculated according to the PSS sequence which is a second synchronous signal and transmitted to the frame and a SSS(Secondary Synchronization Signal) sequence group(S20). A sequence group is selected(S30) A second cross correlation is calculated between all sequences belonging to a selected sequence group and the SSS sequence received(S40). A cell group ID is extracted through the sequence having the highest cross correlation(S50).
Abstract translation: 目的：提供无线通信系统中的小区搜索方法，通过计算相应序列组中的序列来检测SSS（辅同步信号）序列和互相关。 构成：通过计算作为第一同步信号并发送到帧的PSS序列与已知的PSS（主同步信号）序列之间的互相关来估计符号定时和频率同步。 通过估计过程提取小区ID（S10）。 根据作为第二同步信号并发送到帧的PSS序列和SSS（辅同步信号）序列组计算第一互相关（S20）。 选择序列组（S30）在属于所选序列组的所有序列和接收的SSS序列之间计算第二互相关（S40）。 通过具有最高相关性的序列提取小区组ID（S50）。
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公开(公告)号：KR1020100134303A
公开(公告)日：2010-12-23
申请号：KR1020090052856
申请日：2009-06-15
Applicant: 한국전자통신연구원
IPC: H04W16/10
CPC classification number: H04W16/10 , H04W72/082
Abstract: PURPOSE: A dynamic resource allocation apparatus for reducing the complex of resource allocation is provided to individually allocate a resource by divided area after dividing one node in predetermined area. CONSTITUTION: An area division unit(110) collects a node based on location information about nodes. The domain divider partitions the node into one or more areas. A resource allocation unit(120) independently assigns the resources about one or more nodes. A second resource allocating unit(130) allocates the resources about the node which is not included in one or more area.
Abstract translation: 目的：提供一种用于减少资源分配复杂度的动态资源分配装置，用于在划分预定区域中的一个节点之后通过划分区域分配资源。 构成：区域划分单元（110）基于关于节点的位置信息来收集节点。 域分隔符将节点分割成一个或多个区域。 资源分配单元（120）独立地分配关于一个或多个节点的资源。 第二资源分配单元（130）分配关于不包括在一个或多个区域中的节点的资源。
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公开(公告)号：KR1020100134302A
公开(公告)日：2010-12-23
申请号：KR1020090052855
申请日：2009-06-15
Applicant: 한국전자통신연구원
CPC classification number: H04L5/0044 , H04L5/0085 , H04L27/0006 , H04L27/2628 , H04L27/265
Abstract: PURPOSE: A non-contiguous orthogonal frequency division multiplexing system and a method for controlling the same are provided to obtain an algorithm for reducing the complexity of an inverse fast Fourier transform calculation by reducing a time for searching a pruning route. CONSTITUTION: A sensing part(110) verifies whether one or more frequency band is used. A band controlling part(120) non-activates sub-carrier wave with respect to a frequency band in use according to the verification result. A pruning verification part(130) compares the number of points non-activating the sub-carrier wave with a threshold value. A pruning search part(140) searches a pruning route. A Fourier transform part(150) performs inverse fast Fourier transform calculation.
Abstract translation: 目的：提供一种不连续的正交频分复用系统及其控制方法，以减少用于搜索修剪路由的时间来降低快速傅立叶反变换计算的复杂度。 构成：检测部分（110）验证是否使用一个或多个频带。 频带控制部分（120）根据验证结果不使用相对于使用频带的副载波。 修剪验证部分（130）将非激活子载波的点数与阈值进行比较。 修剪搜索部分（140）搜索修剪路线。 傅里叶变换部（150）进行快速傅立叶逆变换的计算。
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Patent Agency Ranking
公开(公告)号：KR101011527B1
公开(公告)日：2011-01-27
申请号：KR1020090052856
申请日：2009-06-15
Applicant: 한국전자통신연구원
IPC: H04W16/10
Abstract: 하나 이상의 노드에 대한 위치 정보를 기반으로 상기 노드를 모아 하나 이상의 영역으로 분할하는 영역 분할부, 상기 하나 이상의 영역의 각각에 대하여 상기 하나 이상의 노드에 대한 자원을 독립적으로 할당하는 제1 자원 할당부 및 상기 하나 이상의 노드 중 상기 하나 이상의 영역에 포함되지 않은 노드에 대한 상기 자원을 할당하는 제2 자원 할당부를 포함하는 동적 자원 할당 장치를 제공한다.
DSA, 동적 자원 할당, 영역 분할-
公开(公告)号：KR101644608B1
公开(公告)日：2016-08-03
申请号：KR1020130000746
申请日：2013-01-03
Abstract: 가시범위내 통신대상인식을위한단말및 그방법이개시된다. 본발명의일 실시예에따른단말의통신대상인식방법은, 단말사용자의가시범위이내에서식별자정보를모르는통신대상으로부터통신대상의위치정보를획득하는단계와, 획득된통신대상의위치정보를기초로하여단말에대한통신대상의상대위치를파악하고파악된통신대상의상대위치를화면에표시하는단계를포함한다.
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公开(公告)号：KR1020130090800A
公开(公告)日：2013-08-14
申请号：KR1020130000746
申请日：2013-01-03
Abstract: PURPOSE: A terminal for recognizing a communication target in a visible range and a method thereof are provided to select the communication target through intuitive procedures and form a communication link with the selected communication target. CONSTITUTION: A terminal (1) includes a sensor (11), a communication unit (12), a control unit, and an output unit (14). The sensor obtains the direction information including a direction and an azimuth of the terminal. The communication unit receives the position information by requesting the position information from a communication target which does not know about the identifier information in a visible range of a terminal user. The control unit grasps a relative position of the communication target by using the position information of the communication target and the direction information of a terminal and maps the grasped relative position of the communication target on a screen of the terminal. The output unit displays the relative position of the communication target mapped through the control unit on the screen. [Reference numerals] (10) Image acquisition unit; (11) Sensor; (12) Communications unit; (13) Control unit; (14) Output unit; (15) Input unit
Abstract translation: 目的：提供用于识别可见范围内的通信目标的终端及其方法，以通过直观程序选择通信目标，并与所选择的通信目标形成通信链路。 构成：终端（1）包括传感器（11），通信单元（12），控制单元和输出单元（14）。 该传感器获得包括终端的方向和方位的方向信息。 通信单元通过从不知道终端用户的可见范围内的标识符信息的通信对象请求位置信息来接收位置信息。 控制单元通过使用通信对象的位置信息和终端的方向信息来掌握通信对象的相对位置，并将通信对象的所掌握的相对位置映射到终端的屏幕上。 输出单元在屏幕上显示通过控制单元映射的通信对象的相对位置。 （附图标记）（10）图像采集单元; （11）传感器; （12）通讯单位; （13）控制单元; （14）输出单元; （15）输入单元
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公开(公告)号：KR1020130034095A
公开(公告)日：2013-04-05
申请号：KR1020110097931
申请日：2011-09-28
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An apparatus for estimating the DOA(Direction Of Arrival) and TOA(Time Of Arrival) of a mobile signal and a method thereof are provided to separate a received signal in order to reduce the complexity and to estimate the DOA and TOA of the mobile signal having low complexity using a pseudo-spectrum calculation which uses DFT(Discrete Fourier Transform). CONSTITUTION: A separating unit(210) separates a received signal into DOA vectors and TOA vectors. A correlation matrix calculation unit(220) calculates the correlation matrix of the DOA and the correlation matrix of the TOA. An Eigen Vector Decomposition(EVD)(230) receives the correlation matrix of the DOA and TOA and checks the number of paths through which the received signal is received. A spectrum calculation unit(240) calculates a pseudo-spectrum using DFT. A total calculation unit(250) calculates a TOA spectrum. A sensing unit(260) senses the discrete spatial frequency of the DOA when having a maximum DOA spectrum value and the discrete spatial frequency of the TOA having a maximum TOA spectrum value. A mapping unit(270) calculates the corresponding DOA and TOA. [Reference numerals] (210) Separating unit; (220) Correlation matrix calculation unit; (230) Eigenvector analysis unit; (240) Spectrum calculation unit; (260) Sensing unit; (270) Mapping unit;
Abstract translation: 目的：提供一种用于估计移动信号的DOA（到达方向）和TOA（到达时间）的装置及其方法，以分离接收的信号，以便降低复杂度并估计DOA和TOA 使用使用DFT（离散傅立叶变换）的伪频谱计算具有低复杂度的移动信号。 构成：分离单元（210）将接收到的信号分离成DOA向量和TOA向量。 相关矩阵计算单元（220）计算DOA的相关矩阵和TOA的相关矩阵。 特征向量分解（EVD）（230）接收DOA和TOA的相关矩阵，并检查接收到的信号的路径数。 频谱计算单元（240）使用DFT计算伪频谱。 总计算单元（250）计算TOA谱。 当具有最大DOA频谱值和具有最大TOA频谱值的TOA的离散空间频率时，感测单元（260）感测DOA的离散空间频率。 映射单元（270）计算相应的DOA和TOA。 （附图标记）（210）分离单元; （220）相关矩阵计算单元; （230）特征向量分析单元; （240）频谱计算单位; （260）感应单元; （270）映射单元;
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公开(公告)号：KR1020120122910A
公开(公告)日：2012-11-07
申请号：KR1020120042265
申请日：2012-04-23
CPC classification number: H04J11/0076 , H04L27/2655 , H04W48/16
Abstract: PURPOSE: A S-SCH(Secondary-Synchronization Channel) detection method and receiver using the same are provided to reduce a computation rate which is necessary to extract a specific value. CONSTITUTION: A first descrambler creates a descramble signal by descrambling S-SCH signal including even index(S40). A first correlation detector receives the descramble signal. The first correlation detector creates a specific value(m0) determined by a cell ID(Identification)(S50). A second descrambler creates a descramble signal including another specific value(m1) by descrambling another S0SCH signal including an odd index(S60). A group ID detector detects a group ID by inputting the specific value and another specific value(S80). [Reference numerals] (AA) Start; (BB) End; (S10) High-speed fourier transform; (S20) Removing channel components; (S30) De-multiplexing an S-SCH signal in a wavelength region in which channel components are removed; (S40) Creating a descramble signal evaluated to have m0 by descrambling the S-SCH signal with an even index; (S50) Creating m0; (S60) Creating a descramble signal evaluated to have m1 information by descrambling an S-SCH signal with an odd index; (S70) Detecting m1 group determined by m0 and detecting m1 in m1 group; (S80) Detecting group ID using m0 and m1
Abstract translation: 目的：提供S-SCH（二次同步信道）检测方法和使用该方法的接收机，以减少提取特定值所需的计算速率。 构成：第一解扰器通过解扰包含均匀索引的S-SCH信号来产生解扰信号（S40）。 第一相关检测器接收解扰信号。 第一相关检测器创建由小区ID（识别）确定的特定值（m0）（S50）。 第二解扰器通过对包括奇数索引的另一个S0SCH信号进行解扰来创建包括另一特定值（m1）的解扰信号（S60）。 组ID检测器通过输入特定值和另一个特定值来检测组ID（S80）。 （附图标记）（AA）开始; （BB）结束; （S10）高速傅立叶变换; （S20）去除信道分量; （S30）在去除信道分量的波长区域中去复用S-SCH信号; （S40）通过以均匀的索引对S-SCH信号进行解扰来创建被评估为具有m0的解扰信号; （S50）创建m0; （S60）通过用奇数索引对S-SCH信号进行解扰来创建被评估为具有m1信息的解扰信号; （S70）检测由m0确定的m1组，并检测m1组中的m1; （S80）使用m0和m1检测组ID
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