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公开(公告)号：KR1020090082618A
公开(公告)日：2009-07-31
申请号：KR1020080008482
申请日：2008-01-28
Applicant: 재단법인서울대학교산학협력재단
Abstract: A wireless communication system with a multiple antenna and a method thereof are provided to be applied to all systems regardless of a multiple access method by reducing a delay time and packet loss. A wireless communication system with a multiple antenna and a method thereof are provided to includes a mobile station, a first base station and a second base station. The mobile station communicates with a first base station(S10), and is linked the second base station while communicating with the first base station by using plural antennas based on the request for the link with the second base station(S20,S30). Through the request for the release from the first base station, the mobile station communicates with the second base station(S55).
Abstract translation: 提供具有多天线的无线通信系统及其方法，以通过减少延迟时间和分组丢失来应用于所有系统，而不管多址方式如何。 提供具有多天线的无线通信系统及其方法，包括移动台，第一基站和第二基站。 移动站与第一基站进行通信（S10），并且基于与第二基站的链接的请求，通过使用多个天线与第一基站进行通信，连接第二基站（S20，S30）。 通过从第一基站的释放请求，移动台与第二基站通信（S55）。
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公开(公告)号：KR101617466B1
公开(公告)日：2016-05-03
申请号：KR1020100008743
申请日：2010-01-29
Applicant: 삼성전자주식회사
CPC classification number: H04W72/082 , H04J11/0053 , H04W52/146 , H04W52/346
Abstract: 본발명은셀룰러상향링크통신시스템의기지국에서단말의스케줄링방법에있어서, 홈셀의간섭에대한용량민감도를계산하는과정; 적어도하나의인접셀의간섭에대한용량민감도를수집하는과정; 및상기홈 셀의용량민감도및 상기인접셀의용량민감도를이용하여상기홈 셀에위치하는적어도하나의단말을스케줄링하는과정을포함하는단말의스케줄링방법을제공함으로써, 인접셀을포함하는전체네트워크용량을극대화하는전력및 할당제어가가능하며, 셀간간섭이큰 셀룰러시스템에서의시스템용량을증대시킬수 있고, 주기적으로각 셀의용량변화정보를공유하므로변화하는사용자단말의분포에실시간으로적응하도록단말의스케줄링을할 수있다.
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公开(公告)号：KR1020140079222A
公开(公告)日：2014-06-26
申请号：KR1020120148937
申请日：2012-12-18
Applicant: 삼성전자주식회사
IPC: H04B7/06
CPC classification number: H04B7/024 , H04B7/0486 , H04B7/0495 , H04L25/03343 , H04L25/03891
Abstract: The present invention relates to a method for a multiple input multiple output (MIMO) transmission using antennas of a plurality of cells by a base station in a multi-cell wireless communication system, which comprises the steps of selecting cells and rank values for a downlink MIMO transmission of a terminal based on measurement information of the base station and the terminal, and determining precoding matrix according to the rank values; and transmitting data streams to the terminal by mapping the data streams to the antennas of the cells through a precoder after generating the data to be transmitted to the terminal as the data streams corresponding to the selected rank values.
Abstract translation: 本发明涉及一种在多小区无线通信系统中由基站使用多个小区的天线进行多输入多输出（MIMO）传输的方法，包括以下步骤：为下行链路选择小区和等级值 基于所述基站和所述终端的测量信息的终端的MIMO传输，以及根据所述等级值确定预编码矩阵; 以及通过预编码器在将要发送到终端的数据作为对应于所选择的等级值的数据流之后，通过将数据流映射到小区的天线来将数据流发送到终端。
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公开(公告)号：KR1020110089814A
公开(公告)日：2011-08-09
申请号：KR1020110001574
申请日：2011-01-06
Applicant: 삼성전자주식회사
CPC classification number: H04W72/1231 , H04W52/146 , H04W52/247 , H04W52/40 , H04W72/0426 , H04W72/0446 , H04W88/08
Abstract: PURPOSE: A channel and power allocation apparatus in communication system and method thereof are provided to improve efficiency of frequency and to minimize interference between adjacent cells by creating cooperation information and exchanging with an adjacent base station. CONSTITUTION: A serving base station(111) comprises a cooperation information production and processing unit(220) and a resource allocation unit(210). The resource allocation unit comprises the channel state information treatment unit(213), a time slot assignment circuit(211) and a power allocation unit(212). The channel state information treatment unit receives data rate information that is able to be transmitted about all sub channels at each sub-frame. The time slot assignment circuit selects a user terminal which especially offers service at each sub-frame and each sub-channel.
Abstract translation: 目的：提供通信系统中的信道和功率分配装置及其方法，以通过创建协作信息和与相邻基站交换来提高频率效率并最小化相邻小区之间的干扰。 构成：服务基站（111）包括协作信息生成和处理单元（220）和资源分配单元（210）。 资源分配单元包括信道状态信息处理单元（213），时隙分配电路（211）和功率分配单元（212）。 信道状态信息处理单元接收能够在每个子帧处关于所有子信道发送的数据速率信息。 时隙分配电路选择在每个子帧和每个子信道上特别提供服务的用户终端。
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公开(公告)号：KR1020110086470A
公开(公告)日：2011-07-28
申请号：KR1020100006223
申请日：2010-01-22
Applicant: 삼성전자주식회사
CPC classification number: H04W72/082 , H04W16/04 , H04W72/12
Abstract: PURPOSE: A method for scheduling a resource allocation for an inter-cell interference control of a cellular communication system, an apparatus thereof and a base station are provided to effectively schedule resource allocation in order to control the inter-cell interference of the cellular communication system. CONSTITUTION: A bitmap generating unit(310) receives scheduling information from the base stations of a plurality of adjacent cells. The bitmap generating unit creates the scheduling information that includes the bitmap information for the resource allocation of a magnetic cell by using the received scheduling information of adjacent cells. A scheduler(330) schedules the resource allocation about a terminals within the magnetic cell that based on power allocation information and the scheduling information that is transmitted from the bitmap generating unit.
Abstract translation: 目的：提供一种用于调度蜂窝通信系统的小区间干扰控制的资源分配的方法，其装置和基站，以有效地调度资源分配，以便控制蜂窝通信系统的小区间干扰 。 构成：位图生成单元（310）从多个相邻小区的基站接收调度信息。 位图生成单元通过使用相邻小区的接收到的调度信息来创建包括用于磁细胞的资源分配的位图信息的调度信息。 调度器（330）基于功率分配信息和从位图生成单元发送的调度信息来调度关于磁细胞内的终端的资源分配。
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Patent Agency Ranking
公开(公告)号：KR1020140129623A
公开(公告)日：2014-11-07
申请号：KR1020130048143
申请日：2013-04-30
Applicant: 삼성전자주식회사
IPC: H04B17/00
CPC classification number: H04W24/08 , H04B17/309 , H04L1/0026 , H04L5/0035 , H04W72/04
Abstract: 무선 통신 시스템에서 채널 품질을 결정하는 방법이 개시된다. 이 방법은, 수신기로부터 채널 품질 정보를 수신하는 과정과, 스케줄러부터 수신된 이전 시점에서의 적어도 하나의 인접 셀의 자원 사용 여부를 나타내는 제1 자원 사용 여부 정보와 상기 적어도 하나의 인접 셀에서 측정된 수신 신호 전력 정보를 이용하여 상기 채널 품질 정보를 보정한 채널 품질 기준 값을 생성하는 과정 및 상기 스케줄러부터 수신된 현재 시점에서의 적어도 하나의 인접 셀의 자원 사용 여부를 나타내는 제2 자원 사용 여부 정보와 상기 생성된 채널 품질 기준값을 이용하여 현재 시점의 채널 품질 값을 결정하는 과정을 포함한다.
Abstract translation: 公开了一种用于确定无线通信系统中的信道质量的方法，包括：从接收机接收信道质量信息的步骤; 用于生成通过使用第一资源使用信息来校正信道质量信息的步骤，所述第一资源使用信息表示一个或多个相邻小区是否使用从调度器接收的先前点中的资源，以及接收在调度器中测量的信号功率信息 相邻细胞; 以及通过使用表示相邻小区是否使用从调度器接收的当前点中的资源以及所生成的信道质量参考值的第二资源使用信息来确定当前点的信道质量值的步骤。
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公开(公告)号：KR1020140114759A
公开(公告)日：2014-09-29
申请号：KR1020140025871
申请日：2014-03-05
Applicant: 삼성전자주식회사
Abstract: The present invention relates to a method for controlling interference of a transmission point (TP) in a wireless communications system which receives a message included in channel quality information on a TP from a terminal to which the TP provides a communications service, receives a message included in reception power information on a reference signal received from the terminal, from at least one peripheral TP, and determines data transmission rate with regard to the terminal based on the channel quality information and the reception power information.
Abstract translation: 本发明涉及一种用于控制无线通信系统中的传输点（TP）的干扰的方法，该方法从TP提供通信服务的终端接收包括在TP上的信道质量信息中的消息，接收包括的消息 在从终端接收到的参考信号的接收功率信息中，从至少一个外设TP，基于信道质量信息和接收功率信息确定关于终端的数据传输速率。
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公开(公告)号：KR1020130090669A
公开(公告)日：2013-08-14
申请号：KR1020120011970
申请日：2012-02-06
Applicant: 삼성전자주식회사
CPC classification number: H04W72/1231 , H04L1/0015 , H04L1/0026 , H04L1/0077 , H04W36/0083
Abstract: PURPOSE: A centralized scheduling method and a device thereof are provided to maximize the throughput of a heterogeneous network by minimizing interference between the cells in the heterogeneous network in which the coverage expansion technology of a small base station. CONSTITUTION: A communication unit connects one or more base stations. A control unit collects channel information between a terminal and the base station connected to the communication unit (406). The control unit determines an interference base station in the terminal by using the collected channel information (416). The control unit controls the base station to select a scheduling terminal by using the interference base station information (418). The control unit controls the interference base station to stop data transmission for the terminal in a scheduling point (414). [Reference numerals] (402) Setting a bias to extend a range of a small base station; (404) Setting a blank pattern of a macro base station; (406) Collecting channel information from all base stations; (408) Selecting serving cells by all terminals; (410) Handing over a terminal which cannot be satisfied with Outage conditions among terminals inside the extended range of the small base station into the macro base station; (412) Sub-frame which is blanked in the macro base station; (414) Stopping a data transfer of all macro base stations; (416) Determining a cell giving the interference relative to each terminal; (418) Selecting a candidate terminal scheduling in a current sub-frame; (420) Controlling the interference between the cells relative to the selected scheduling candidate terminal; (AA) Start
Abstract translation: 目的：提供集中式调度方法及其设备，通过最小化小型基站覆盖扩展技术的异构网络中的小区之间的干扰来最大化异构网络的吞吐量。 构成：通信单元连接一个或多个基站。 控制单元在终端与连接到通信单元的基站之间收集信道信息（406）。 控制单元通过使用收集的频道信息来确定终端中的干扰基站（416）。 控制单元通过使用干扰基站信息来控制基站来选择调度终端（418）。 控制单元控制干扰基站以停止在调度点的终端的数据传输（414）。 （附图标记）（402）设定偏移以扩展小型基站的范围; （404）设置宏基站的空白模式; （406）从所有基站收集信道信息; （408）所有终端选择服务小区; （410）将小型基站的扩展范围内的终端之间的停电状态不能满足的终端切换到宏基站; （412）在宏基站中消隐的子帧; （414）停止所有宏基站的数据传输; （416）确定相对于每个终端产生干扰的小区; （418）在当前子帧中选择候选终端调度; （420）控制所述小区之间相对于所选择的调度候选终端的干扰; （AA）开始
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公开(公告)号：KR101829921B1
公开(公告)日：2018-02-19
申请号：KR1020110001574
申请日：2011-01-06
Applicant: 삼성전자주식회사
CPC classification number: H04W72/1231 , H04W52/146 , H04W52/247 , H04W52/40 , H04W72/0426 , H04W72/0446 , H04W88/08
Abstract: 본발명의일 실시예는통신시스템에서제1기지국이제1서브프레임주기마다, 제1스케줄링방식을사용하여각 서브채널을할당할사용자단말(user equipment: UE)을선택하고, 상기제1서브프레임주기와상이한제2서브프레임주기마다, 제2스케줄링방식을사용한스케줄링결과를기반으로, 상기선택된 UE와선택되지않은 UE를포함하는모든 UE에게전력을할당하며, 상기제1스케줄링방식은적어도하나의제2기지국으로부터수신한셀 간협력정보및 각 UE로부터수신한서브채널별 데이터레이트를기반으로하며, 상기제2스케줄링방식은상기셀 간협력정보및 상기데이터레이트를미리설정된기간동안누적하여계산된서브채널별 평균데이터레이트를기반으로함을특징으로한다.
Abstract translation: 一个实施例包括一个第一基站的每个现在第一子帧周期中，在第一使用的调度方法中的用户终端分配在本发明的通信系统中的各子通道：选择（用户设备UE），并且在第一子帧 期间以及从所述第一子帧期间中的各不同，根据使用第二调度方案，并且将电力分配给所有的UE包括所选择的UE和非选择的UE，第一调度方案，中的至少一个的调度结果 从第二基站接收的小区协作信息和从每个UE接收的每个子信道的数据速率，第二调度方法基于小区间协作信息和数据速率， 并且每个通道的平均数据速率。
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公开(公告)号：KR1020140066652A
公开(公告)日：2014-06-02
申请号：KR1020130143697
申请日：2013-11-25
Applicant: 삼성전자주식회사
CPC classification number: H04W72/085 , H04L1/0026 , H04L1/0031 , H04L5/006 , H04W28/16 , H04W52/143 , H04W52/241 , H04W52/243 , H04W52/245 , H04W72/1231
Abstract: A method for performing scheduling according to the present invention comprises: receiving, by a central scheduler, channel state information (CSI) on channels between each of multiple transmission points (TPs) and each user equipment (UE) communicating with each of the TPs from each of the TPs in a wireless communication system; and performing a first scheduling action to allocate wireless resources to each of the TPs based on the CSI received from each of the TPs; transmitting, to each of the TPs, a first piece of scheduling information indicating a result of the first scheduling action, wherein the first piece of scheduling information includes transmission power information indicating transmission power for each of the wireless resources allocated to each of the TPs and is used to perform a second scheduling action to select UE with which each of the TPs communicates.
Abstract translation: 根据本发明的用于执行调度的方法包括：由中央调度器接收在多个传输点（TP）中的每一个与每个用户设备（UE）之间的信道上的信道状态信息（CSI），每个用户设备 无线通信系统中的每个TP; 以及执行第一调度动作，以基于从每个所述TP接收到的CSI来向每个所述TP分配无线资源; 向每个TP发送指示第一调度动作的结果的第一调度信息，其中，第一调度信息包括指示分配给每个TP的无线资源中的每一个的发送功率的发送功率信息，以及 用于执行第二调度动作以选择与每个TP通信的UE。
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