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公开(公告)号：KR1020130110396A
公开(公告)日：2013-10-10
申请号：KR1020120032339
申请日：2012-03-29
Applicant: 삼성전자주식회사
CPC classification number: H04L5/0048 , H04B7/0617 , H04B7/0634 , H04W16/28 , H04W72/042 , H04B7/0639 , H04L25/0224
Abstract: PURPOSE: A method for producing standard signals in an analog/digital mixing beam forming system and a device thereof are provided to maximize mixed analogue/digital beam forming gains at a predetermined direction for a main analog/digital beam circumferential direction. CONSTITUTION: A base station determines an analog beam forming direction (505). The base station determines a digital beam forming direction for the determined analog beam forming direction (510). The base station determines a digital beam forming pre-coder for the determined analog/digital beam forming directions (515). The base station transmits down link reference signals for each analog beam forming direction (520). The base station receives a feedback from a terminal (525). [Reference numerals] (505) Determine an analog beam forming direction in advance; (510) Determine 2M + 1 digital beam forming directions for each analog beam forming direction; (515) Determine a digital beam forming pre-coder for each analog/digital beam forming direction; (520) Transmit down link reference signal for each analog beam forming direction, (A frequency domain allocates 1-2M+1 digital beam forming pre-coders N times for successive frequency resources (ex. Subcarrier)), (Frequency allocation information about 2M+1, N, and 2M+1 subcarriers is predetermined or broadcasted), (A base station notifies to a terminal whether a power boost is applied for a reference signal. And when the boost is applied, the terminal calculates signal power of each subcarrier based on the power of the received signal by using a power boot factor); (525) Receive a feedback from a terminal; (AA) Start; (BB) End
Abstract translation: 目的：提供一种用于在模拟/数字混合波束形成系统及其装置中产生标准信号的方法，以使主模拟/数字波束圆周方向上的预定方向的混合模拟/数字波束形成增益最大化。 构成：基站确定模拟波束形成方向（505）。 基站确定所确定的模拟波束形成方向（510）的数字波束形成方向。 基站确定用于确定的模拟/数字波束形成方向（515）的数字波束形成预编码器。 基站为每个模拟波束形成方向（520）发送下行链路参考信号。 基站从终端接收反馈（525）。 （附图标记）（505）预先确定模拟波束形成方向; （510）为每个模拟波束形成方向确定2M + 1个数字波束形成方向; （515）确定每个模拟/数字波束形成方向的数字波束形成预编码器; （520）为每个模拟波束形成方向发送下行链路参考信号（A频域为连续频率资源（例如子载波）分配1-2M + 1个数字波束形成预编码器N次），（频分配信息约2M +1，N和2M + 1个子载波被预先确定或广播）（A基站向终端通知是否对基准信号施加功率提升，并且当应用升压时，终端计算每个子载波的信号功率 基于使用电源引导因子的接收信号的功率）; （525）从终端接收反馈; （AA）开始; （BB）结束
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公开(公告)号：KR1020130037928A
公开(公告)日：2013-04-17
申请号：KR1020110102480
申请日：2011-10-07
Applicant: 삼성전자주식회사
CPC classification number: H04W72/10 , H04W28/18 , H04W52/241 , H04W52/281 , H04W52/50
Abstract: PURPOSE: A dispersion scheduling method for improving a link performance and a device thereof are provided to maximize the number of links in a D2D(Device-to-Device) communication system. CONSTITUTION: A Tx block including a tone mapped with a plurality of link identifiers transmits a power signal through a first tone(500). A first RX block including tones mapped with the plurality of the link identifiers receives the power signal from a reception node through a second tone(502). A second RX block included in tones mapped with the plurality of link identifiers receives the power signal from the reception nodes through a third tone(508). The power signal indicates the satisfaction of an SNR(Signal-to-Interference Noise Ratio) in the reception node through the second tone. [Reference numerals] (500) Transmitting a power signal using a corresponding tone of a Tx-block; (502) Receiving the power signal through a first Rx-block?; (504) Allowing data transmission through a link; (506) Confirming Rx-yielding; (508) Receiving the power signal through a second Rx-block; (510) Confirming the number of link identifiers of an acceptable low priority; (AA) Start; (BB,DD) No; (CC,EE) Yes; (FF) End;
Abstract translation: 目的：提供一种用于改善链路性能的分散调度方法及其装置，以使D2D（设备到设备）通信系统中的链路数量最大化。 构成：包括用多个链路标识符映射的音调的Tx块通过第一音调发送功率信号（500）。 包括与多个链路标识符映射的音调的第一RX块通过第二音调从接收节点接收功率信号（502）。 与多个链路标识符映射的音调中包括的第二RX块通过第三音从接收节点接收功率信号（508）。 功率信号表示通过第二音调对接收节点中的SNR（信号与干扰噪声比）的满足度。 （附图标记）（500）使用Tx块的对应音调发送功率信号; （502）通过第一Rx块接收功率信号; （504）通过链路允许数据传输; （506）确认Rx-yield; （508）通过第二Rx块接收功率信号; （510）确认可接受的低优先级的链路标识符的数量; （AA）开始; （BB，DD）否; （CC，EE）是; （FF）结束;
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公开(公告)号：KR1020130022523A
公开(公告)日：2013-03-07
申请号：KR1020110085042
申请日：2011-08-25
Applicant: 삼성전자주식회사
CPC classification number: H04L27/2634 , H04L27/2601 , H04L27/2626 , H04L27/2646 , H04W72/04
Abstract: PURPOSE: A wireless communication system is provided to optimize wireless communication system performance by supporting a plurality of OFDM parameter sets. CONSTITUTION: An OFDM parameter set corresponding to a plurality of RF chains is determined(100) and a default OFDM parameter set is determined based on the parameters(102). A supportable OFDM parameter set is provided to a terminal using the parameters(104). The OFDM parameter set for each terminal and each RF chain(106) judges whether modification of the OFDM parameter set is necessary or not(108), and if necessary, transmits the OFDM parameter set information to the corresponding terminal in consideration of portability of the terminal(110). The OFDM parameter set communicates with the terminal using the modified OFDM parameter set(112). [Reference numerals] (100) Determining a plurality of OFDM parameter sets; (102) Determining a default OFDM parameter set among the plurality of OFDM parameter sets; (104) Providing supportable OFDM parameter sets by a base station using the default OFDM parameter set; (106) Determining OFDM parameter sets for each terminal and determining OFDM parameter sets for each RF chain; (108) Change of OFDM parameter sets is necessary?; (110) Transmitting OFDM parameter set information to a corresponding terminal in consideration of the mobility of the terminal; (112) Performing communication with the terminal by using changed OFDM parameter sets; (AA) Start; (BB) No; (CC) Yes; (DD) End
Abstract translation: 目的：提供一种无线通信系统，通过支持多个OFDM参数集来优化无线通信系统的性能。 规定：确定对应于多个RF链的OFDM参数集（100），并且基于参数（102）确定默认OFDM参数集。 使用参数（104）向终端提供可支持的OFDM参数集。 为每个终端和每个RF链（106）设置的OFDM参数判断是否需要对OFDM参数集的修改（108），如果需要，考虑到对应终端的可携带性，将OFDM参数集信息发送到相应的终端 终端（110）。 OFDM参数集使用修改的OFDM参数集（112）与终端进行通信。 （100）确定多个OFDM参数集; （102）确定所述多个OFDM参数集中的默认OFDM参数集; （104）由基站使用默认OFDM参数集提供可支持的OFDM参数集; （106）确定每个终端的OFDM参数集并确定每个RF链的OFDM参数集; （108）OFDM参数集的改变是必要的？ （110）考虑到终端的移动性，向对应的终端发送OFDM参数集信息; （112）通过使用改变的OFDM参数集与终端进行通信; （AA）开始; （BB）否 （CC）是; （DD）结束
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公开(公告)号：KR1020110103067A
公开(公告)日：2011-09-20
申请号：KR1020100022186
申请日：2010-03-12
Applicant: 삼성전자주식회사
CPC classification number: H04L5/0032 , H04B7/024 , H04B7/0417 , H04B7/0456 , H04B7/0639 , H04W24/02 , H04W72/0406 , H04W72/082 , H04L25/03821
Abstract: 본 발명은 다중 안테나 시스템에서 셀 간 간섭을 제거하기 위한 장치 및 방법에 관한 것이다. 이때, 셀간 간섭을 제거하기 위한 방법은, 스케줄링을 통해 적어도 하나의 단말로 서비스를 제공하기 위한 서빙 대역을 할당하는 과정과, 적어도 하나의 단말로부터 적어도 하나의 인접 셀 각각에 대한 적어도 하나의 요청 셋을 수신받는 과정과, 각각의 단말에 대한 서빙 대역을 고려하여 상기 적어도 하나의 요청 셋을 갱신하는 과정과, 상기 갱신한 적어도 하나의 요청 셋을 적어도 하나의 인접 셀로 전송하는 과정을 포함한다.
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25.发明公开
公开(公告)号：KR1020100025942A
公开(公告)日：2010-03-10
申请号：KR1020080084700
申请日：2008-08-28
Applicant: 삼성전자주식회사
IPC: H04B7/26
CPC classification number: H04B7/0639 , H04B7/0413 , H04B7/0617
Abstract: PURPOSE: A method for selecting beam forming vector indexes to mitigate interference between cells in a cellular wireless communication system and a device for the same are provided to minimize interference between adjacent cells due to sub band or band duplication. CONSTITUTION: A feedback information generator(360) calculates a beam forming vector index using a channel estimation result. The feedback information generator requests the scheduling of the calculated beam forming vector index to a base station. The feedback information generator receives the loading condition information of one or more adjacent interference cells from the base station. According to the received loading condition information, the feedback information generator requests a usage restriction of a specific beam forming vector index, and usage recommendation of specific beam forming vector index, or an usage maintenance of current beam forming vector index.
Abstract translation: 目的：提供用于选择波束形成向量索引以减轻蜂窝无线通信系统中的小区与其相邻设备之间的干扰的方法，以便最小化由于子带或频带复制造成的相邻小区之间的干扰。 构成：反馈信息发生器（360）使用信道估计结果计算波束形成矢量索引。 反馈信息生成器向基站请求计算的波束形成向量索引的调度。 反馈信息生成器从基站接收一个或多个相邻干扰小区的载入条件信息。 根据接收到的装载条件信息，反馈信息生成器请求特定波束形成矢量索引的使用限制，特定波束形成矢量索引的使用推荐或当前波束形成矢量索引的使用维护。
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Patent Agency Ranking
公开(公告)号：KR101839812B1
公开(公告)日：2018-03-19
申请号：KR1020110080068
申请日：2011-08-11
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0617 , H04B7/0413 , H04L1/0025 , H04L27/2626
Abstract: 본발명은빔 포밍에관한것으로, 이동통신시스템에서송신기의혼합아날로그/디지털빔포밍방법에있어서미리정해진변조수준에따라코딩및 변조된변조심볼을병렬심볼스트림으로변환하는과정과상기병렬심볼스트림에서제1 수신기로전송될제 1 부반송파에대해최적화된아날로그빔포밍프리코더를제 2 수신기로전송될제 2 부반송파에대해보상하기위해결정된디지털빔포밍프리코더를상기제 2 부반송파에대해곱하여디지털빔포밍을수행하는과정과디지털빔포밍을수행한병렬심볼스트림에대해시간영역의심볼을생성하기위해, IFFT 연산을수행하는과정과 IFFT 연산을수행한시간영역의심볼을직렬시간영역의심볼로변환하는과정과상기직렬시간영역의심볼에 CP(Cyclic Prefix)를삽입하는과정과 CP를삽입한심볼에대해 DAC(Digital-to-Analog Converter) 변환과정을수행하여아날로그신호로변환하는과정과적어도하나의 RF(Radio Frequency)의경로로전송되고상기제 1 부반송파에대해최적화된아날로그빔포밍프리코더를상기아날로그신호에곱함으로써아날로그빔포밍을수행하는과정을포함하는것을특징으로한다.
Abstract translation: 本发明涉及波束形成，根据混合的模拟/根据在此过程中预定的调制电平，并行符号流数字波束形成事先编码在移动通信系统中的发射机的方法和调制的调制符号转换为并行码元流 根据权利要求的模拟波束成形预编码器乘以一个数字波束成形预编码器被确定为补偿第二子载波被发送到第二接收器的第二子载波数字波束形成优化用于第一子载波将被发送到第一接收器 用于在时域中产生一符号为hanbyeongryeol符号流来处理，并执行数字波束成形来执行变换的方法的符号和IFFT操作的步骤是用于执行IFFT操作，以串行时域的码元进行1小时区域和 将CP（循环前缀）插入串行时间域中的符号和DAC（数字 - 模拟转换器） 通过发送信号转换为RF（射频）uigyeong中的至少一个的过程中和所述模拟波束成形预编码器的第一子载波以包括执行模拟波束赋形的工序中的模拟信号乘以优化 和被表征。
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公开(公告)号：KR101820731B1
公开(公告)日：2018-01-22
申请号：KR1020110085042
申请日：2011-08-25
Applicant: 삼성전자주식회사
CPC classification number: H04L27/2634 , H04L27/2601 , H04L27/2626 , H04L27/2646 , H04W72/04
Abstract: 다수의직교주파수분할다중(Orthogonal Frequency-Division Multiplexing: OFDM) 파라미터셋을지원하는무선통신시스템에서통신방법은, 다수 RF(Radio Frequency) 체인각각에대한 OFDM 파라미터셋을결정하는과정과, 상기각각 OFDM 파라미터셋에정의된파라미터값들을기반으로, OFDM 신호를처리하는과정을포함한다.
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公开(公告)号：KR101643937B1
公开(公告)日：2016-08-10
申请号：KR1020090099797
申请日：2009-10-20
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0639 , H04B17/327 , H04B17/345
Abstract: 본발명은다중입출력(Multiple Input Multiple Output : MIMO) 무선통신시스템에서셀 간간섭을제거하기위한장치및 방법에관한것이다. 본발명에따른다중입출력무선통신시스템에서셀 간간섭을제거하기위한단말의동작방법은, 인접셀로부터사용제한을요청받지않은대역을대상으로, 하나이상의최적대역을결정하는과정과, 상기결정된하나이상의최적대역을대상으로, 인접셀로사용제한을요청할대역과 PMI(Precoding Matrix Index) 중적어도하나를결정하는과정과, 상기인접셀로사용제한을요청할대역과 PMI 중적어도하나를서빙기지국으로피드백하는과정을포함하는것을특징으로한다.
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公开(公告)号：KR101612299B1
公开(公告)日：2016-04-18
申请号：KR1020100022186
申请日：2010-03-12
Applicant: 삼성전자주식회사
CPC classification number: H04L5/0032 , H04B7/024 , H04B7/0417 , H04B7/0456 , H04B7/0639 , H04W24/02 , H04W72/0406 , H04W72/082
Abstract: 본발명은다중안테나시스템에서셀 간간섭을제거하기위한장치및 방법에관한것이다. 이때, 셀간간섭을제거하기위한방법은, 스케줄링을통해적어도하나의단말로서비스를제공하기위한서빙대역을할당하는과정과, 적어도하나의단말로부터적어도하나의인접셀 각각에대한적어도하나의요청셋을수신받는과정과, 각각의단말에대한서빙대역을고려하여상기적어도하나의요청셋을갱신하는과정과, 상기갱신한적어도하나의요청셋을적어도하나의인접셀로전송하는과정을포함한다.
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公开(公告)号：KR101591841B1
公开(公告)日：2016-02-04
申请号：KR1020090072503
申请日：2009-08-06
Applicant: 삼성전자주식회사
IPC: H04B7/04
CPC classification number: H04B7/065 , H04B7/0639
Abstract: 본발명은피드백전송방법에관한것으로다중입출력 MIMO(Multiple Input Multiple Output) 무선통신시스템에서단말의피드백방법에있어서롱 텀 PMI(Precoder Matrix Index) 피드백전송이벤트가발생한경우서빙기지국의지시에따라상기롱 텀 PMI를상기서빙기지국으로피드백하는과정과상기롱 텀 PMI을이용하여새로운코드북을생성하는과정과상기새로운코드북으로부터쇼트텀 PMI를결정하는과정과상기쇼트텀 PMI을상기서빙기지국으로피드백하는과정을포함하는것으로피드백시 피드백정보의크기를줄임으로써피드백오버헤드를감소시켜성능을높이는이점이있다.
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