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公开(公告)号：KR101664127B1
公开(公告)日：2016-10-10
申请号：KR1020100079431
申请日：2010-08-17
Applicant: 삼성전자주식회사
IPC: H04B7/04
CPC classification number: H04L25/03343 , H04B7/024 , H04B7/063 , H04L2025/03426 , H04L2025/03808
Abstract: 이웃셀을위한협력랭크정보를교환하는다중입출력통신방법및 시스템이개시된다. 다중입출력통신시스템에서의대상단말은대상단말에게간섭을일으키는이웃기지국에대한협력랭크정보를서빙기지국으로피드백하고, 서빙기지국은이웃기지국과협력랭크정보를교환한다. 그리고서빙기지국은교환된협력랭크정보를기초로프리코딩을수행한다.
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公开(公告)号：KR101648552B1
公开(公告)日：2016-08-16
申请号：KR1020100068064
申请日：2010-07-14
Applicant: 삼성전자주식회사 , 퍼듀 리서치 파운데이션
IPC: H04B7/04
Abstract: 코드북을사용하는다중입출력통신시스템이제공된다. 다중입출력통신시스템에포함되는송신기및 수신기는채널매트릭스또는채널코배리언스매트릭스의고유값들을기초로상기채널매트릭스또는상기채널코배리언스매트릭스의고유벡터들각각에대한서로다른사이즈를갖는코드북을생성하고, 그코드북을이용하여채널정보를송/수신한다.
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公开(公告)号：KR101432637B1
公开(公告)日：2014-08-21
申请号：KR1020080027041
申请日：2008-03-24
Applicant: 삼성전자주식회사
CPC classification number: H04W28/16 , H04B7/043 , H04B7/0452 , H04W52/267 , H04W72/121
Abstract: 다중 입출력 통신 시스템을 제어하는 통신 시스템 제어 장치가 개시된다. 통신 시스템 제어 장치는 복수의 기지국들에 의해 그룹핑된 후보 사용자 집합들에 대한 사용자 집합 정보를 수집하는 정보 수집부 및 상기 사용자 집합 정보를 기초로 계산되는 상기 복수의 기지국들에 의해 달성될 수 있는 총 데이터 전송률을 고려하여 상기 후보 사용자 집합들 중 상기 복수의 기지국들 각각에 상응하는 대상 사용자 집합들을 선택하고, 상기 대상 사용자 집합들에 속하는 사용자들에 대한 스케쥴링을 수행하는 스케쥴러를 포함한다.
다중 입출력, 다중 셀, 스케쥴, 사용자 집합, 파워, 기지국, 데이터 전송률-
公开(公告)号：KR101400370B1
公开(公告)日：2014-06-20
申请号：KR1020090044366
申请日：2009-05-21
Applicant: 삼성전자주식회사
IPC: H04B7/04
CPC classification number: H04B7/0478 , H04B7/0473 , H04B7/0639 , H04L25/03343 , H04L25/03923 , H04L2025/03426 , H04L2025/03808
Abstract: 코드북을 사용하는 다중 입출력 통신 방법이 제공된다. 다중 입출력 통신 방법은 다양한 코드북들을 사용할 수 있다. 코드북들은 전송 랭크, 사용자의 채널 상태 또는 피드백 비트 수에 따라 달라질 수 있다. 또한, 코드북들은 채널의 시간 상관 계수에 따라 적응적으로 업데이트될 수 있다. 다중 입출력 통신 방법은 최적화된 코드북을 사용함으로써, 높은 총 데이터 전송률을 달성할 수 있다.
코드북, 랭크, 코드워드, 다중 입출력, 피드백, 매트릭스, 프리코딩-
公开(公告)号：KR1020130042508A
公开(公告)日：2013-04-26
申请号：KR1020130020904
申请日：2013-02-27
Applicant: 삼성전자주식회사
CPC classification number: H04L25/03904 , H04B7/0413 , H04B7/0456 , H04B7/0469 , H04B7/10 , H04L25/0391
Abstract: PURPOSE: A codebook generating method for a multi-polarized MIMO(Multiple Input Multiple Output) system and a device thereof are provided to effectively offer a codebook by reconfiguring a pre-coding matrix according to a transmission ranking. CONSTITUTION: One pre-coding matrix is selected from one or more stored matrixes(S230). A data stream for being transmitted by using the pre-coding matrix is coded in advance(S240,S250,S260). Diagonal blocks in a plurality of blocks included in the one or more matrixes include matrixes except for zero matrixes. The other blocks except for the diagonal blocks include the zero matrixes. [Reference numerals] (AA) Start; (BB) End; (S210) Allocating single polarization pre-coding matrix on a diagonal block; (S220) Allocating a zero matrix on remaining blocks; (S230) Generating a pre-coding matrix; (S240) Selecting one or more column vectors according to a transmission rank; (S250) Generating a rotary pre-coding matrix; (S260) Adjusting the phase of elements included in the pre-coding matrix;
Abstract translation: 目的：提供一种用于多极化MIMO（多输入多输出）系统的码本生成方法及其装置，以通过根据传输等级重新配置预编码矩阵来有效地提供码本。 构成：从一个或多个存储矩阵中选择一个预编码矩阵（S230）。 通过使用预编码矩阵发送的数据流被预先编码（S240，S250，S260）。 包含在一个或多个矩阵中的多个块中的对角线块包括除零矩阵之外的矩阵。 除了对角线块之外的其他块包括零矩阵。 （附图标记）（AA）开始; （BB）结束; （S210）在对角块上分配单极化预编码矩阵; （S220）在剩余块上分配零矩阵; （S230）生成预编码矩阵; （S240）根据传输等级选择一个或多个列向量; （S250）生成旋转预编码矩阵; （S260）调整包含在预编码矩阵中的元素的相位;
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Patent Agency Ranking
公开(公告)号：KR1020120060124A
公开(公告)日：2012-06-11
申请号：KR1020100130622
申请日：2010-12-20
Applicant: 삼성전자주식회사 , 퍼듀 리서치 파운데이션
CPC classification number: H04B7/0482 , H04B7/0619 , H04B7/0641 , H04B7/0456 , H04B7/0417 , H04B7/0632 , H04B7/0639
Abstract: PURPOSE: An adaptive code book creation method is provided to create adaptive code books which maintain unitary features by using a matrix related to statistics of a channel matrix and a basic code book. CONSTITUTION: A transmission apparatus acquires a matrix Ri related to statistics of a channel matrix(310). The transmission apparatus creates second code words corresponding to first code words of a first code book within a group including unitary matrixes(320). The transmission apparatus receives information related to one or more second code words selected by a reception apparatus from the second code words(330). The transmission apparatus previously encodes the code words(370).
Abstract translation: 目的：提供一种自适应码本创建方法，用于创建通过使用与信道矩阵和基本码本的统计相关的矩阵来维持单一特征的自适应码本。 构成：发送装置获取与信道矩阵（310）的统计相关的矩阵Ri。 传输装置产生对应于包括酉矩阵（320）的组内的第一码本的第一码字的第二码字。 发送装置从第二码字（330）接收与接收装置选择的一个以上的第二码字有关的信息。 发送装置预先编码码字（370）。
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公开(公告)号：KR1020120033215A
公开(公告)日：2012-04-06
申请号：KR1020110011995
申请日：2011-02-10
Applicant: 삼성전자주식회사
CPC classification number: H04L5/0057 , H04B7/0417 , H04B7/0452 , H04B7/0456 , H04B7/0486 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/065 , H04L1/0026 , H04L1/0031 , H04L1/0036 , H04L25/03343 , H04L2025/03426 , H04L2025/03802 , H04W24/10 , H04W72/0413 , H04B7/0421
Abstract: PURPOSE: A feedback method in an MIMO(Multiple Input Multiple Output) communication system and apparatus thereof are provided to predict accurate channel quality indicators by determining a pre-coding matrix based on the pre-coding matrix preferred by a reference rank and a terminal. CONSTITUTION: A terminal grasps a reference rank determined by a base station(510). The terminal selects a first pre-coding matrix preferred by the terminal based on the rank preferred by the terminal(520). The terminal extracts one or more second pre-coding matrixes for one or more neighbor terminals(530). The terminal creates one or more channel quality indicators(540). The terminal transmits the channel quality indicators to the base station(550).
Abstract translation: 目的：提供MIMO（多输入多输出）通信系统及其装置中的反馈方法，以通过基于由参考等级和终端优选的预编码矩阵确定预编码矩阵来预测准确的信道质量指示符。 构成：终端掌握由基站（510）确定的参考秩。 终端基于终端优选的等级（520）来选择终端优选的第一预编码矩阵。 终端为一个或多个相邻终端提取一个或多个第二预编码矩阵（530）。 终端创建一个或多个信道质量指示符（540）。 终端向基站发送信道质量指示符（550）。
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公开(公告)号：KR1020110121541A
公开(公告)日：2011-11-07
申请号：KR1020110031200
申请日：2011-04-05
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0639 , H04B7/0456 , H04B7/0478 , H04B7/0482 , H04B7/0417 , H04B7/0465 , H04B7/10
Abstract: PURPOSE: A multiple input multiple output communication system using a codebook corresponding to each reporting mode is provided to update previously used W by using a second PMI. CONSTITUTION: A first precoding matrix indicator of 3 bit and a second precoding matrix pointer of a single bit are extracted from a memory. The memory stores a second codebook having the size of 1 bit and a first codebook having the size of 3 bit. The first precoding matrix indicator of the 3bit corresponds to the first codeword to the first codebook. The second precoding matrix indicator of 1bit corresponds a second codeword which is included in the second codebook.
Abstract translation: 目的：提供使用与每个报告模式相对应的码本的多输入多输出通信系统，以通过使用第二PMI更新先前使用的W。 构成：从存储器中提取单位的3位的第一预编码矩阵指示符和第二预编码矩阵指针。 存储器存储具有1比特大小的第二码本和大小为3比特的第一码本。 3bit的第一预编码矩阵指示符对应于第一码本的第一码字。 1bit的第二预编码矩阵指示符对应于第二码本中包含的第二码字。
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公开(公告)号：KR1020110121533A
公开(公告)日：2011-11-07
申请号：KR1020110014052
申请日：2011-02-17
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0639 , H04B7/0417 , H04B7/0478 , H04B7/0617 , H04B7/0632 , H04B7/0482 , H04B7/0486 , H04B7/063 , H04B7/0634
Abstract: PURPOSE: A multiple-input multiple-output communication system of supporting several reporting modes is provided to receives or transmits a precoding matrix indicator generate from a first code book and a second code book. CONSTITUTION: A memory(510) stores a first codebook and a second codebook which is sub sets of a total codebook. A processor(520) generates a corresponding precoding matrix indicator from the first codebook and the second codebook. The processor extracts a precoding matrix corresponding to each of corresponding precoding matrix pointers. A communication interface(530) shares the corresponding matrix indicator generate from a first codebook and second codebook between the transmitter and the receiver.
Abstract translation: 目的：提供一种支持多种报告模式的多输入多输出通信系统，用于接收或发送从第一代码本和第二代码本生成的预编码矩阵指示符。 构成：存储器（510）存储作为总码本的子集的第一码本和第二码本。 处理器（520）从第一码本和第二码本生成相应的预编码矩阵指示符。 处理器提取与每个对应的预编码矩阵指针相对应的预编码矩阵。 通信接口（530）共享从发射机和接收机之间的第一码本和第二码本生成的相应的矩阵指示符。
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50.发明公开
公开(公告)号：KR1020110003251A
公开(公告)日：2011-01-11
申请号：KR1020100030544
申请日：2010-04-02
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0456 , G06F17/14 , H04B7/0639
Abstract: PURPOSE: A multiple input multiple output communication system for a rotating reference codebook including codedwords of a discrete Fourier transformation codebook is provided to calculate a rotating matrix calculated based on a certain codeword among the codewords included in a discrete Fourier transformation codebook. CONSTITUTION: A selection unit(823) selects a previous preference codeword based on vectorized channel information, and a calculation unit(824) calculates a rotating matrix based on the previous preference codeword. A generating unit(825) generates a new codebook by rotating a reference codebook through the rotating matrix. The generating unit uses the rotating matrix to create a new preference codeword by rotating at least one codeword included in the reference codebook.
Abstract translation: 目的：提供一种包括离散付里叶变换码本的编码字的旋转参考码本的多输入多输出通信系统，用于计算离散傅立叶变换码本中包含的码字中基于特定码字计算的旋转矩阵。 构成：选择单元（823）基于矢量化的频道信息来选择先前的偏好码字，并且计算单元（824）基于先前的偏好码字来计算旋转矩阵。 生成单元（825）通过旋转矩阵旋转参考码本生成新的码本。 生成单元使用旋转矩阵通过旋转包括在参考码本中的至少一个码字来创建新的优选码字。
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