-
公开(公告)号：WO2012060503A1
公开(公告)日：2012-05-10
申请号：PCT/KR2010/008135
申请日：2010-11-17
IPC: H04B7/14
CPC classification number: H04B7/15507 , H04W16/26
Abstract: 본 발명은 이동통신 시스템에서 이동통신 단말기와 기지국간의 통신을 중계하는 공유 중계기 및 공유 중계기가 포함된 이동통신 시스템에 관한 것이다. 기지국들의 셀 경계에 각 기지국과 해당하는 이동통신 단말기 사이의 통신을 중계하는 공유중계기를 설치함으로써, 셀 경계의 이동통신 단말기에서 발생하는 셀 간섭 문제를 최소화할 수 있다. 따라서 셀 경계에 위치한 사용자들의 통신품질을 보장할 수 있고, 더 나아가 전체 셀 용량을 획기적으로 증가시킬 수 있는 효과가 있다.
Abstract translation: 本发明涉及用于在移动通信系统中重复移动通信终端与基站之间的通信的共享中继器以及包括共享中继器的移动通信系统。 通过安装用于重复站的每个基站与基站的小区边界处的对应的移动通信终端之间的通信的共享中继器，可以使在小区边界处的移动通信终端上发生的小区干扰的问题最小化。 结果，可以保证位于单元边界的用户的通信质量，并且总电池容量也可以显着增加。 代表图：图3
-
公开(公告)号：KR101606777B1
公开(公告)日：2016-04-12
申请号：KR1020080125734
申请日：2008-12-11
Abstract: 본발명은인지무선통신장치, 인지무선단말장치및 인지무선통신방법에관한것으로서, 더욱상세하게는무선채널의주파수자원을효율적으로사용하도록하는인지무선통신장치, 인지무선단말장치및 인지무선통신방법에관한것이다. 인지무선통신장치는우선순위사용자의통신장치로부터전송되는제1 전송신호를수신하고, 수신된제1 전송신호및 차순위사용자데이터를이용하여제2 전송신호를생성하고, 생성된제2 전송신호를무선채널을통해전송한다.
-
公开(公告)号：KR101345139B1
公开(公告)日：2013-12-26
申请号：KR1020070103199
申请日：2007-10-12
IPC: H04L12/28
CPC classification number: H04W40/02 , H04W40/08 , H04W40/32 , Y02D70/164 , Y02D70/22 , Y02D70/30 , Y02D70/324
Abstract: 애드혹 네트워크에서의패킷전송경로설정방법및 이를이용한네트워크장치를개시한다. 본발명의실시예에따른패킷전송경로설정방법은, 미리설정된홉 수 N(N은 2 이상의정수)에따라서소스노드와목적노드사이에적어도하나의노드를포함하는 N-1개의라우팅영역을설정하는단계및 채널이득에기초하여상기설정된각각의라우팅영역내의어느한 노드를패킷릴레이노드로결정하는단계를포함한다.
Abstract translation: 提供了一种在无线通信网络中设置分组传输路径的方法和使用其的网络设备。 设置分组传输路径的方法包括基于预定的N个跳数来设置包括源节点和目的地节点之间的至少一个节点的N-1个路由区域，N表示大于或等于2的整数，并且确定 每个路由区域中的节点作为基于信道增益的中继节点。
-
4.发明公开다중안테나 시변 간섭채널 환경에서 협력 빔 형성 시스템을 위한 적응적 빔 형성방법 및 파일럿 듀레이션 또는 채널 피드백 듀레이션 선택방법 失效自适应光束跟踪方法和引导时间或通道反馈持续时间适应协调的波束形成系统
公开(公告)号：KR1020120078886A
公开(公告)日：2012-07-11
申请号：KR1020110000181
申请日：2011-01-03
Applicant: 한국과학기술원
IPC: H04B7/04
CPC classification number: H04B7/0617 , H04B7/024 , H04B7/0421
Abstract: PURPOSE: An adaptive beam forming method for cooperative beam forming system and a pilot duration/channel feedback duration selecting method are provided to minimize complexity of a cooperative beam forming system in a time variable channel environment. CONSTITUTION: A beam forming condition is obtained through an SVD(Singular Value Decomposition). A channel is obtained by using a beam forming matrix. The variation of the beam forming matrix is calculated through the variation of a channel. If the variation of the channel is delta HK(n), the channel is calculated when time is n.
Abstract translation: 目的：提供一种用于协同波束形成系统和导频持续时间/信道反馈持续时间选择方法的自适应波束形成方法，以便在时间可变信道环境中最小化协同波束形成系统的复杂度。 构成：通过SVD（奇异值分解）获得波束形成条件。 通过使用波束形成矩阵获得通道。 通过通道的变化来计算波束形成矩阵的变化。 如果通道的变化为ΔHIN（n），则当时间为n时计算通道。
-
公开(公告)号：KR1020120078258A
公开(公告)日：2012-07-10
申请号：KR1020100140497
申请日：2010-12-31
Applicant: 한국과학기술원
IPC: H04B7/04
CPC classification number: H04B7/0617 , H04B7/043
Abstract: PURPOSE: An adaptive beam design method and an access method are provided to generate a new beam vector based on information about a current channel and a previously calculated beam vector. CONSTITUTION: A cohesion coefficient matrixes Akl is updated(S10). The size of a matrix consists of a channel matrix Hk1 and a liner combination coefficient matrix Akl(S30). An eigen vector is extracted through a matrix(S40). The eigen vector of the smallest R is extracted by using an algorithm 1(S50). Time(n) is varied(S60).
Abstract translation: 目的：提供自适应波束设计方法和访问方法，以基于关于当前信道和先前计算的波束矢量的信息来生成新的波束矢量。 构成：更新内聚系数矩阵Ak1（S10）。 矩阵的大小由通道矩阵Hk1和衬垫组合系数矩阵Ak1组成（S30）。 通过矩阵提取特征向量（S40）。 通过使用算法1提取最小R的特征向量（S50）。 时间（n）是变化的（S60）。
-
Patent Agency Ranking
公开(公告)号：KR1020110045649A
公开(公告)日：2011-05-04
申请号：KR1020090102306
申请日：2009-10-27
IPC: H04B7/02
CPC classification number: H04B7/02
Abstract: PURPOSE: A transmission apparatus and method for performing interference alignment thereof, and a reception apparatus and method for operating the same are provided to generate a beam-forming matrix for adaptively arranging interference by using repeated minimum square method in an MIMO time variable interference channel. CONSTITUTION: A beam-forming matrix generating unit(214) generates a correlation coefficient for arranging beam-forming, the entire channel information corresponding to an interference channel environment and an optimized beam-forming matrix for interference arrangement by using the beam-forming matrix. A transmission unit(218) performs beam-forming for a signal by using the generated optimized beam-forming matrix. The transmission unit transmits the beam-formed signal to at least one reception device, and the beam-forming matrix generating unit generates an optimized beam-forming matrix through the repeated calculation for re-calculating the correlation coefficient by using the calculated beam-forming matrix.
Abstract translation: 目的：一种用于执行其干扰对准的传输装置和方法，以及用于操作该接收装置和方法的接收装置和方法，用于通过使用MIMO时间可变干扰信道中的重复最小二乘法来生成用于自适应地布置干扰的波束形成矩阵。 构成：波束形成矩阵生成单元（214）通过使用波束形成矩阵产生用于布置波束形成，与干扰信道环境对应的整个信道信息和用于干扰布置的优化波束形成矩阵的相关系数。 传输单元（218）通过使用所生成的优化波束形成矩阵来执行信号的波束形成。 发送单元将波束形成信号发送到至少一个接收装置，并且波束形成矩阵生成单元通过重复计算生成优化的波束形成矩阵，以通过使用计算的波束形成矩阵来重新计算相关系数 。
-
公开(公告)号：KR1020110036439A
公开(公告)日：2011-04-07
申请号：KR1020090094108
申请日：2009-10-01
Abstract: PURPOSE: A power control and allocation method in a wireless mesh network is provided to control transmission power to transmit data to a gateway and the number of users who are connected to each AP(Access Point). CONSTITUTION: A first constraint condition is calculated from each link capacity and each user channel capacity of a wireless mesh network. A second constraint condition is calculates from the number of users who access each AP. Transmission power for each AP and the number of users of each AP are determined in order to optimize the necessary transmission power for configuring backhaul in the wireless mesh network based on the first and the second constraint conditions(S520,S530).
Abstract translation: 目的：提供无线网状网络中的功率控制和分配方法，以控制向网关传输数据的传输功率和连接到每个AP（接入点）的用户数量。 构成：从无线网状网络的每个链路容量和每个用户信道容量计算第一约束条件。 第二个约束条件是从访问每个AP的用户数量来计算。 确定每个AP的传输功率和每个AP的用户数量，以便基于第一和第二约束条件来优化用于在无线网状网络中配置回程的必要传输功率（S520，S530）。
-
公开(公告)号：KR1020100097942A
公开(公告)日：2010-09-06
申请号：KR1020090016841
申请日：2009-02-27
Applicant: 한국과학기술원
CPC classification number: H04W88/08 , H04W16/32 , H04W36/30 , H04W48/20 , H04W84/045
Abstract: PURPOSE: An apparatus and a method for accessing a radio network using a beam scanning scheme are provided to add or remove a femto base station to and from a wireless network easily. CONSTITUTION: An antenna unit(410) includes plural transmission and reception antennas, and a gain control unit(420) controls the maximum gain direction of the antenna unit. A reception unit(430) receives a pilot signal from at least one base station(460,470,480) through a gain-controlled antenna unit. A priority calculator(440) calculates an access priority for the base stations which receives a pilot signal, and an access unit(450) accesses at least one base station among the base stations based on the access priority.
Abstract translation: 目的：提供使用波束扫描方案来访问无线电网络的装置和方法，以便容易地向毫微微基站和从无线网络移除毫微微基站。 构成：天线单元（410）包括多个发送和接收天线，并且增益控制单元（420）控制天线单元的最大增益方向。 接收单元（430）通过增益控制的天线单元从至少一个基站（460,470,480）接收导频信号。 优先级计算器（440）计算接收导频信号的基站的接入优先级，并且接入单元（450）基于接入优先级访问基站中的至少一个基站。
-
公开(公告)号：KR1020100028696A
公开(公告)日：2010-03-15
申请号：KR1020080087543
申请日：2008-09-05
Applicant: 한국과학기술원
CPC classification number: H04L12/2859 , H04B1/713 , H04L5/0007 , H04W64/00
Abstract: PURPOSE: A point-to-point communication method based on an OFDMA is provided to minimize power consumption of a terminal by performing the point-to-point communication between a transmission terminal and a reception terminal. CONSTITUTION: A base station determines the position of a reception terminal by receiving communication request information from a transmission terminal(S10). A distance between the transmission terminal and the reception terminal are compared with the preset range. The point-to-point OFDMA information including a subcarrier hoping sequence for the point-to-point communication is transmitted to the transmission terminal and the reception terminal(S20). The point-to-point communication is performed according to the received OFDMA information(S30).
Abstract translation: 目的：提供一种基于OFDMA的点到点通信方法，通过执行发送终端和接收终端之间的点对点通信来最小化终端的功耗。 构成：基站通过从发送终端接收通信请求信息来确定接收终端的位置（S10）。 将发送终端与接收终端之间的距离与预设范围进行比较。 包括用于点对点通信的子载波希望序列的点对点OFDMA信息被发送到发送终端和接收终端（S20）。 根据接收到的OFDMA信息进行点对点通信（S30）。
-
公开(公告)号：KR1020090032544A
公开(公告)日：2009-04-01
申请号：KR1020070097875
申请日：2007-09-28
Applicant: 한국과학기술원
IPC: H04B7/26
CPC classification number: H04W84/047 , H04W16/28 , H04W92/12 , H04W16/02
Abstract: A network configuration method and a transmission frequency selection method in a future wireless communication system are provided to effectively use wireless resources of a microwave frequency band for link communications between a base station and a base station controller in an external network and base stations to replace the communication with wireless communication, thereby drastically reducing infra construction costs. An access point determines a communication target(S41). If the communication target is a user terminal, the access point determines whether a visible channel is secured(S43). When capacity of a network tries is expanded, a disapproved band of 60~70 GHz is allocated(S44, S45).
Abstract translation: 提供将来的无线通信系统中的网络配置方法和发送频率选择方法，以有效地利用微波频带的无线资源用于外部网络和基站中的基站与基站控制器之间的链路通信，以代替 与无线通信的通信，从而大大降低了建设成本。 接入点确定通信目标（S41）。 如果通信对象是用户终端，则接入点确定是否保护可见信道（S43）。 当网络容量尝试扩展时，分配60〜70 GHz的被拒绝频带（S44，S45）。
-
-
-
-
-
-
-
-
-
Search Results
38
records
(took 0.029 seconds)
