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公开(公告)号：KR100781640B1
公开(公告)日：2007-12-05
申请号：KR1020060022208
申请日：2006-03-09
Applicant: 고려대학교 산학협력단
CPC classification number: Y02D70/40
Abstract: 다이버시티 이득을 얻는 다중 계층 변조 방법 및 그 장치가 개시된다.
본 발명은 복수의 비트들로 구성되는 심볼을 생성하는 단계, 상기 생성된 심볼의 구성 비트들 중 소정의 비트들에 따라 상기 심볼의 위상을 설정하는 단계 및 상기 소정의 비트들을 제외한 비트들에 따라 다음 생성 심볼의 에너지 준위를 설정하는 단계를 포함한다.
본 발명에 의하면, 심볼간에 상관관계를 갖도록 하는 심볼을 변조시킴으로써, 대역확장이나 추가적인 안테나를 필요로 하지 않으며, 시스템의 복잡도, 단말의 크기 및 소비전력을 줄이면서 다이버시티 이득을 얻을 수 있는 효과가 있다.
또한, 본 발명은 기존의 시스템을 크게 변화시키지 않아도 호환성을 가지고 적용 가능하므로, SISO(Single-Input Single-Output) 환경에서도 동작하여 다이버시티 이득을 얻을 수 있으며, MIMO 시스템 또는 OFDM 시스템에 적용하여 보다 큰 성능을 얻을 수 있는 효과가 있다.Abstract translation: 提供了一种用于获得分集增益的多层调制方法及其装置，用于对符号之间具有相关性的符号进行调制，从而不需要带宽或附加天线，而获得分集增益作为系统复杂度，终端尺寸和功率 消费减少。 生成由多个位组成的符号（300）。 符号的相位根据生成的符号（310）的配置位来设置。 根据当前符号（320）的配置位来设置下一代符号的能级。 设置相的步骤'310'包括以下步骤。 根据所生成符号的配置位之中的预定比特来设置用于发送符号的象限。 符号的相位根据除了设定象限上的预定位之外的其余位而改变。
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公开(公告)号：KR1020070072300A
公开(公告)日：2007-07-04
申请号：KR1020060022208
申请日：2006-03-09
Applicant: 고려대학교 산학협력단
CPC classification number: Y02D70/40 , H04B7/06 , H04L1/0003
Abstract: A multi-layered modulation method for obtaining a diversity gain and a device therefor are provided to modulate symbols having correlation between symbols, thus band expansion or an additional antenna is not required while the diversity gain is obtained as system complexity, terminal size, and power consumption are reduced. Symbols consisting of plural bits are generated(300). Phases of the symbols are set according to the configured bits of the generated symbols(310). An energy level of a next generation symbol is set according to the configured bits of the current symbols(320). The step '310' of setting the phases comprises the steps as follows. A quadrant for transmitting the symbols is set according to predetermined bits among the configured bits of the generated symbols. The phases of the symbols are changed according to the rest of the bits except the predetermined bits on the set quadrant.
Abstract translation: 提供了一种用于获得分集增益的多层调制方法及其装置，用于对符号之间具有相关性的符号进行调制，从而不需要带宽或附加天线，而获得分集增益作为系统复杂度，终端尺寸和功率 消费减少。 生成由多个位组成的符号（300）。 符号的相位根据生成的符号（310）的配置位来设置。 根据当前符号（320）的配置位来设置下一代符号的能级。 设置相的步骤'310'包括以下步骤。 根据所生成符号的配置位之中的预定比特来设置用于发送符号的象限。 符号的相位根据除了设定象限上的预定位之外的其余位而改变。
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公开(公告)号：KR1020170103560A
公开(公告)日：2017-09-13
申请号：KR1020160026630
申请日：2016-03-04
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
CPC classification number: H04W74/0816
Abstract: 본개시는 LTE(Long Term Evolution)와같은 4G(4generation) 통신시스템이후보다높은데이터전송률을지원하기위한 5G(5generation) 또는 pre-5G 통신시스템에관련된것이다. 다른통신시스템과채널을공유하는통신시스템과관련된측면(aspect)들에따른장치는제어부와상기제어부와동작적으로결합된(operatively coupled to) 통신부를포함할수 있고, 상기제어부는상기채널에대한상기다른통신시스템의신호를검출하기위한적어도하나의검출구간(interval)과상기장치가상기채널을점유함을알리기위한개시신호(initial signal)를위한파라미터에기반하여상기개시신호의송신타이밍(timing)을결정하도록구성되고, 상기통신부는상기송신타이밍에따라상기개시신호를송신하도록구성될수 있다.
Abstract translation: 本公开涉及用于在诸如长期演进（LTE）之类的4G（4G）通信系统之后支持更高数据速率的5G（5代）或5G前通信系统。 根据与通信系统有关的方面的设备与另一个通信系统共享信道可以包括控制单元和可操作地耦合到控制单元的通信单元， 基于用于检测另一通信系统的信号的至少一个检测间隔的参数和用于通知设备占用信道的初始信号的开始信号的传输定时， 并且通信单元可以被配置为根据传输定时来传输开始信号。
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75.发明授权
公开(公告)号：KR101718088B1
公开(公告)日：2017-03-20
申请号：KR1020110036024
申请日：2011-04-19
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
CPC classification number: H04W52/343 , H04W52/146 , H04W52/40
Abstract: 무선통신시스템에서인접셀의부하예측을기반으로부하단말을줄이기위한기지국동작방법에있어서, 다수의인접기지국들로부터각각상기인접기지국의부하를예측하기위한정보를수신하는과정과, 상기인접기지국의부하를예측하기위한정보를기반으로, 전력및 핸드오버단말집합을결정할지를판단하는과정과, 상기전력및 핸드오버단말집합을결정할경우, 상기인접기지국의부하를예측하기위한정보를이용하여, 부하단말을최소화하도록전력및 핸드오버단말집합을결정하는과정을포함한다.
Abstract translation: 1.一种基于无线通信系统中的相邻小区的负载预测来操作用于减少负载终端的基站的方法，所述方法包括：从多个相邻基站接收用于预测所述相邻基站的负载的信息; 基于用于预测负载的信息来确定是否确定一组功率和切换终端;基于用于预测所述邻居基站的负载的信息， 并确定一个电源和一个切换终端设置为最小化终端。
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Patent Agency Ranking
公开(公告)号：KR101624121B1
公开(公告)日：2016-05-25
申请号：KR1020120061842
申请日：2012-06-09
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04B7/04
CPC classification number: H04B7/0817 , H04B1/71072 , H04B7/0452
Abstract: 다중사용자통신환경의무선통신시스템에서사용하기위한간섭정렬및 제거장치및 방법을제공하기위한것이다. 본발명의실시예에따르면, 간섭정렬및 제거장치는, 다수의안테나들을구비하며, 다수의송신기들로부터전송된신호를상기안테나들을통해수신하는수신기들을포함한다. 상기각 수신기들은, 여러사용자들의신호를설계된순서에따라검출하고, 그과정에서나머지신호들을간섭정렬한다. 또한, 상기각 수신기들은, 상기검출한사용자신호에대한정보를다른수신기들에게전달함으로써상기다른수신기들이상기전달받은사용자신호를제거한후 사용자신호의검출및 간섭정렬동작을수행할수 있도록한다. 본발명에서는다중사용자및 단일사용자송수신쌍간의간섭환경하에서최대의용량을실현하면서복잡도를낮출수 있는여러가지형태의송수신기구조를제시한다.
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公开(公告)号：KR1020130138051A
公开(公告)日：2013-12-18
申请号：KR1020120061842
申请日：2012-06-09
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04B7/04
CPC classification number: H04B7/0817 , H04B1/71072 , H04B7/0452
Abstract: The present invention is to provide an interference alignment and cancellation apparatus and a method therefor for using in a wireless communication system in a multi-user communication environment. According to one embodiment of the present invention, an interference alignment and cancellation apparatus has a plurality of antenna and includes receivers for receiving a signal transmitted from a plurality of transmitters through the antenna. The respective receivers detects signals from many users according to a designed order and interference-aligns the remaining signals in the process of detection. Also, the respective receivers make detection and interference alignment operation of a user signal after the other receivers cancel the transmitted user signal by transmitting information for the detected user signal to the other receivers. In the present invention, various types of transceiver structure which is capable of achieving the maximum capacity and reducing the complexity under the interference between multi-user and single-user transceiving pairs. [Reference numerals] (110) User 1;(120) User 2;(130) User 3;(140) User 4;(210) Receiver 1;(220) Receiver 2;(230) Receiver 3;(AA) Wanted signal;(BB) Interference
Abstract translation: 本发明是提供一种用于在多用户通信环境中的无线通信系统中使用的干扰对准和消除装置及其方法。 根据本发明的一个实施例，干扰对准和消除装置具有多个天线，并且包括用于接收通过天线从多个发射机发射的信号的接收机。 各个接收机根据设计的顺序检测来自许多用户的信号，并且在检测过程中对干扰进行校准。 此外，各个接收机在其他接收机通过向其他接收机发送检测到的用户信号的信息来取消发送的用户信号之后，进行用户信号的检测和干扰对准操作。 在本发明中，能够在多用户和单用户收发对之间的干扰下实现最大容量并降低复杂度的各种类型的收发机结构。 （110）用户1;（120）用户2;（130）用户3;（140）用户4;（210）接收机1;（220）接收机2;（230）接收机3;（AA） 信号;（BB）干扰
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公开(公告)号：KR1020130129154A
公开(公告)日：2013-11-27
申请号：KR1020130118328
申请日：2013-10-04
Applicant: 고려대학교 산학협력단
IPC: H04B7/14
Abstract: The present invention relates to transmission techniques for minimizing data transmission delay time via a wired backbone network using a shared relay station (SRS) and comprises (a) a procedure for enabling two or more base stations (BS) to share one relay station (RS) and (b) a data transmission procedure using the two or more BS, terminals connected to each BS, and the RS when data and control information are transmitted using the RS. According to the present invention, the data transmission delay time compared to an existed cellular network is minimized by transmitting data, which is transmitted from the existed cellular network to a core network controller via the wired backbone network, to a wireless link, the BS, or the terminals via the SRS.
Abstract translation: 本发明涉及用于使用共享中继站（SRS）经由有线骨干网将数据传输延迟时间最小化的传输技术，并且包括：（a）使两个或多个基站（BS）能够共享一个中继站（RS ）和（b）当使用RS发送数据和控制信息时，使用连接到每个BS的两个或多个BS终端的数据传输过程和RS。 根据本发明，通过将从存在的蜂窝网络经由有线骨干网发送到核心网络控制器的数据发送到无线链路，BS，与现有的蜂窝网络相比，数据传输延迟时间最小化， 或通过SRS的终端。
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公开(公告)号：KR1020130093353A
公开(公告)日：2013-08-22
申请号：KR1020120014889
申请日：2012-02-14
Applicant: 고려대학교 산학협력단
IPC: H04B7/14
CPC classification number: H04W72/042 , H04B7/15 , H04B7/15528 , H04B7/2606 , H04W16/26 , H04W84/047 , H04W92/045
Abstract: PURPOSE: A method for transmitting data via a shared relay station (SRS) in a mobile communication system is provided to enable data to be transmitted though wireless links by using the SBS not needing to be transmitted through a backbone network between two base stations, when terminals located in an adjacent cell transmit the data in a cellular communication network where the two base stations share one relay station. CONSTITUTION: A method for transmitting data via an SRS in a mobile communication system comprises the steps of: scanning for downlink channels from the SRS to a plurality of base stations (BS) (701); establishing downlink synchronization between the SRS and the plurality of base stations using the downlink channels (702); and registering the plurality of base stations in the SRS based on the established downlink synchronization (707). The step of scanning for downlink channels further comprises obtaining at least one of transmission power of the plurality of base stations or the profile of a data burst using control information that the plurality of base stations transmit through the downlink channels.
Abstract translation: 目的：提供一种通过移动通信系统中的共享中继站（SRS）发送数据的方法，通过使用不需要通过两个基站之间的骨干网传输的SBS，通过无线链路传输数据， 位于相邻小区中的终端在两个基站共享一个中继站的蜂窝通信网络中发送数据。 构成：用于在移动通信系统中通过SRS发送数据的方法包括以下步骤：扫描从SRS到多个基站（BS）的下行链路信道（701）; 使用所述下行链路信道来建立SRS与所述多个基站之间的下行链路同步（702）; 以及基于建立的下行链路同步在所述SRS中登记所述多个基站（707）。 扫描下行链路信道的步骤还包括使用多个基站通过下行链路信道发射的控制信息来获得多个基站的传输功率或数据突发的简档中的至少一个。
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公开(公告)号：KR1020120009649A
公开(公告)日：2012-02-02
申请号：KR1020100069798
申请日：2010-07-20
Applicant: 삼성전자주식회사 , 고려대학교 산학협력단
IPC: H04B7/04
CPC classification number: H04B7/0473 , H04L5/0023 , H04L25/0248 , H04L25/03891 , H04B7/0452
Abstract: PURPOSE: An apparatus for precoding using a channel orthogonalization method in a multi user multi antenna system and a method thereof are provided to reduce the complexity by reducing amount of calculation. CONSTITUTION: A transmitter determines K user terminal candidate group about a user terminal. The transmitter determines each channel matrix within the candidate set based on the channel estimation(300). The transmitter initializes the quadrature-channel matrix about each channel matrix of K user terminal(302). The transmitter determines the quadrature-channel matrix of selected user terminal(304).
Abstract translation: 目的：提供一种在多用户多天线系统中使用信道正交化方法进行预编码的装置及其方法，其通过减少计算量来降低复杂度。 构成：发射机确定关于用户终端的K个用户终端候选组。 发射机基于信道估计（300）确定候选集内的每个信道矩阵。 发射机初始化关于K个用户终端（302）的每个信道矩阵的正交信道矩阵。 发射机确定所选用户终端的正交信道矩阵（304）。
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