-
公开(公告)号：KR1020120016534A
公开(公告)日：2012-02-24
申请号：KR1020100078985
申请日：2010-08-16
Applicant: 삼성전자주식회사
CPC classification number: H04W72/12 , H04L1/0028 , H04L5/001 , H04L5/0053
Abstract: PURPOSE: A data transmission method in a cellular wireless communication system and apparatus thereof are provided to transmit and receive PDCCH(Physical Downlink Control CHannel) and PDSCH(Physical Downlink Shared Channel) in a wireless communication system through carrier aggregation. CONSTITUTION: A base station constitutes the CFI(Control Format Indicator) of CC#0(Component Carrier#0) to an RRC(Radio Resource Control) signal. The base station transmits the CFI to a terminal through the PDSCH of CC#1(601). The base station transmits PDCCH for the cross carrier scheduling of the PDSCH to the terminal through the CC#1(603). The base station constitutes the PDSCH according to the scheduling information of the PDCCH. The base station transmits the PDSCH to the terminal through the CC#0(605).
Abstract translation: 目的：提供一种蜂窝无线通信系统中的数据传输方法及其装置，用于通过载波聚合在无线通信系统中发送和接收PDCCH（物理下行链路控制信道）和PDSCH（物理下行链路共享信道）。 构成：基站构成CC＃0（分量载波＃0）到RRC（无线资源控制）信号的CFI（控制格式指示符）。 基站通过CC＃1的PDSCH发送CFI到终端（601）。 基站通过CC＃1向终端发送用于PDSCH的跨载波调度的PDCCH（603）。 根据PDCCH的调度信息，基站构成PDSCH。 基站通过CC＃0向终端发送PDSCH（605）。
-
公开(公告)号：KR1020110036484A
公开(公告)日：2011-04-07
申请号：KR1020100039186
申请日：2010-04-27
Applicant: 삼성전자주식회사
CPC classification number: H04W52/243 , H04W52/18
Abstract: PURPOSE: An LTE(Long Term Evolution)-advanced system and uplink power control method thereof are provided to perform power control by each code word in case several code words, which use a multiple transmit antenna, are allocated to a terminal. CONSTITUTION: A base station transmits a power control parameter that uses an RRC(Radio Resource Control) signal to a terminal. The terminal confirms Ks value. The terminal calculates gain by using the power control parameter according to Ks value(302). The terminal calculates transmission power according to the calculated gain(303). The terminal transmits two or more code words to the base station.
Abstract translation: 目的：提供LTE（长期演进）系统及其上行链路功率控制方法，以便在使用多个发射天线的多个码字被分配给终端的情况下，由每个码字执行功率控制。 构成：基站向终端发送使用RRC（无线资源控制）信号的功率控制参数。 终端确认Ks值。 终端根据Ks值（302）使用功率控制参数来计算增益。 终端根据计算出的增益计算发送功率（303）。 终端向基站发送两个或更多个码字。
-
公开(公告)号：KR101754970B1
公开(公告)日：2017-07-06
申请号：KR1020100013005
申请日：2010-02-11
Applicant: 삼성전자주식회사
CPC classification number: H04L1/0693 , H04B17/24 , H04B17/318 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0027 , H04L1/06 , H04L5/0023 , H04L5/0035 , H04L5/0048 , H04L5/0053 , H04L5/0057 , H04L5/0073 , H04L5/0082 , H04L5/0092 , H04L25/0226 , H04L2025/03426 , H04L2025/03802 , H04W72/04 , H04W72/042 , H04W72/085 , H04W72/1226 , Y02D70/00 , Y02D70/1262 , Y02D70/1264 , Y02D70/20
Abstract: 본발명은 LTE-A 시스템에서 UE가효과적으로 channel measurement를수행하면서동시에 eNB의무선자원을효율적으로사용하는 CSI-RS 전송방식을제안한다. 이를위하여본 발명의실시예에서는복수개의 CSI-RS 패턴들을정의하며이를각 셀별로할당하고, PRB별로 CSI-RS를번갈아가며교차적으로사용하여 CSI-RS의송신에모든안테나포트들의전송전력을활용하며, CoMP 용 CSI-RS와 Non-CoMP 용 CSI-RS를나누어전송하고, 인접셀의 CSI-RS 패턴에연동하여패턴에대응되는구간의데이터를뮤팅시킨다.
-
公开(公告)号：KR101655093B1
公开(公告)日：2016-09-07
申请号：KR1020100066460
申请日：2010-07-09
Applicant: 삼성전자주식회사
IPC: H04B7/26
Abstract: 기준신호는무선이동통신시스템에서채널의세기나왜곡, 간섭의세기, Gaussian noise과같은기지국과사용자들간의채널의상태를측정하여수신한data symbol의 demodulation 및decoding을돕기위해이용되는신호다. 기준신호의또 하나의용도는무선채널상태의측정이다. 단말은기지국이약속된전송전력으로송신하는기준신호가무선채널을거쳐수신되는수신세기를측정함으로써자신과기지국사이의무선채널의상태를판단할수 있다. 이와같이판단된무선채널의상태는단말이기지국에게어떤 data rate을요청할지판단하는데이용된다. 단말은기지국에게기준신호를이용하여측정한채널상태정보를통보해주게되는데, 이것은상향링크의제어채널을통해기지국으로피드백된다. 본발명은하향링크채널상태추정을위한기준신호가긴 주기로전송될경우에그 채널상태오차를감소시키고단말들의피드백오버헤드를시스템관점에서분산시키는기준신호전송및 단말의피드백타이밍결정방법및 장치를제공한다.
-
公开(公告)号：KR1020110086662A
公开(公告)日：2011-07-29
申请号：KR1020100006249
申请日：2010-01-23
Applicant: 삼성전자주식회사
IPC: H04B7/06
Abstract: PURPOSE: A method and device for communicating a layer shifting are provided to supply the number of antenna used for transmitting CW#2 and the number of antenna used for transmitting CW#1 as same. CONSTITUTION: A CW to layer mapper(301) maps each of a plurality of coding words in at least one layer. An MIMO precoder(314) transmits at least one layer especially mapped per plurality of codeword by the layer mapper through the same number of antenna. A layer shifter(307) rearranges mapped layers about each of a plurality of coding words by the layer mapper. The layer shifter provides the rearranged layers to the MIMO precoder.
Abstract translation: 目的：提供用于传送层移位的方法和装置，以提供用于发送CW＃2的天线的数量和用于发送CW＃1的天线的数量。 构成：CW到层映射器（301）将至少一层中的多个编码字中的每一个映射。 MIMO预编码器（314）通过相同数量的天线通过层映射器发送每多个码字特别映射的至少一个层。 层移位器（307）通过层映射器重新排列关于多个编码字中的每一个的映射层。 层移位器将重新布置的层提供给MIMO预编码器。
-
Patent Agency Ranking
公开(公告)号：KR1020110036492A
公开(公告)日：2011-04-07
申请号：KR1020100063747
申请日：2010-07-02
Applicant: 삼성전자주식회사
CPC classification number: H04W52/146 , H04W52/346 , H04B7/0426 , H04W52/243
Abstract: PURPOSE: An LTE(Long Term Evolution)-advanced system and uplink power control method are provided to control the power of a terminal by cord word and to prevent the increase of transmission power according to the increase of a cord word. CONSTITUTION: A terminal confirms a Ks which uses an RRC(Radio Resource Control) signal. The terminal calculates a gain by using power control parameters according to Ks value(302). The terminal calculates transmission power by cord word according to the calculated gain(303). The terminal transmits two or more code words to a base station. The base station confirms the reception signal strength of code word. The base station updates a transmission power parameter according to the received code word.
Abstract translation: 目的：提供LTE（长期演进） - 先进的系统和上行链路功率控制方法，以通过线字来控制终端的功率，并根据线字的增加来防止发送功率的增加。 构成：终端确认使用RRC（无线资源控制）信号的Ks。 终端根据Ks值（302）使用功率控制参数来计算增益。 终端根据计算出的增益计算发送功率（303）。 终端向基站发送两个或多个码字。 基站确认码字的接收信号强度。 基站根据接收的码字更新发送功率参数。
-
公开(公告)号：KR1020100136902A
公开(公告)日：2010-12-29
申请号：KR1020100008906
申请日：2010-02-01
Applicant: 삼성전자주식회사
IPC: H04B7/04
CPC classification number: H04B7/0465 , H04B7/0447 , H04B7/0617 , H04B7/0619 , H04L5/0023 , H04L27/2614 , H04B7/0473
Abstract: PURPOSE: A communication method using a code book in an MIMO system and an apparatus thereof are provided to prevent a PAPR increase, thereby increasing performance from a low SNR(Signal to Noise Raito) to a high SNR. CONSTITUTION: A mapper(204) maps a plurality of code words on a plurality of layers. A serial to parallel converter(203) partitions one inputted code word in parallel. The serial to parallel converter maps the code word on two layers. A precoder(212) maps the code word on each antenna by a layer. A power assignment controller(213) makes power assigned to each layer equal.
Abstract translation: 目的：提供一种使用MIMO系统中的码本的通信方法及其装置，以防止PAPR增加，从而将性能从低SNR（信噪比）降低到高SNR。 构成：映射器（204）在多个层上映射多个码字。 串行到并行转换器（203）并行分割一个输入的代码字。 串行到并行转换器将代码字映射到两层。 预编码器（212）通过层映射每个天线上的码字。 功率分配控制器（213）使分配给每个层的功率相等。
-
公开(公告)号：KR1020100136888A
公开(公告)日：2010-12-29
申请号：KR1020090094390
申请日：2009-10-05
Applicant: 삼성전자주식회사
IPC: H04B7/04
CPC classification number: H04B7/0465 , H04B7/0447 , H04B7/0617 , H04B7/0619 , H04L5/0023 , H04L27/2614 , H04B7/0473
Abstract: PURPOSE: A communication method using a codebook in an MIMO system and a device therefor are provided to configure the codebook by matrixes of a power ratio by the same layer and matrixes of power ratio by the same antenna. CONSTITUTION: A transmitter generates code word1 and code word 2(102). The transmitter maps each of the code words on each corresponding layer(103). The transmitter selects a corresponding pre-coding matrix from a code book(104). The transmitter maps each of layers on a corresponding antenna(105). A power assignment controller of the transmitter multiplies values corresponding to coefficients of the precoding matrixes when the layers are mapped on the antennas(106). The transmitter transmits the mapped code words to two different antennas(107).
Abstract translation: 目的：提供一种使用MIMO系统中的码本的通信方法及其装置，通过相同层的功率比矩阵和相同天线的功率比矩阵来配置码本。 构成：发射机产生码字1和码字2（102）。 发射机映射每个相应层（103）上的每个码字。 发射机从码本（104）中选择相应的预编码矩阵。 发射机映射相应天线（105）上的每个层。 当层映射在天线（106）上时，发射机的功率分配控制器将对应于预编码矩阵的系数的值相乘。 发射机将映射的码字发送到两个不同的天线（107）。
-
公开(公告)号：KR1020100135378A
公开(公告)日：2010-12-27
申请号：KR1020090053709
申请日：2009-06-17
Applicant: 삼성전자주식회사
CPC classification number: H04W74/006 , H04W74/0833 , H04W72/0406 , H04L5/0098 , H04W48/16
Abstract: PURPOSE: Mobile selection based initial access scheming method and apparatus in a multi-carrier system are provided to regulate loads between bands by optimizing initial accessing probability. CONSTITUTION: A terminal(301) receives system information for initial access scheme from a base station(315). The terminal uses the system information in order to determine an uplink initial accessing band to which an initial accessing signal is transmitted. The initial accessing signal is transmitted to the base station through the uplink initial accessing band. The terminal receives a responding signal with respect to the initial accessing signal from the base station through a pre-set downlink responding band.
Abstract translation: 目的：提供多载波系统中基于移动选择的初始接入方案和装置，通过优化初始接入概率来调节频带之间的负载。 构成：终端（301）从基站（315）接收初始接入方案的系统信息。 终端使用系统信息来确定发送初始访问信号的上行链路初始接入频带。 初始接入信号通过上行链路初始接入频带发送到基站。 终端通过预置的下行响应频带接收来自基站的初始接入信号的响应信号。
-
公开(公告)号：KR1020100095129A
公开(公告)日：2010-08-30
申请号：KR1020090014251
申请日：2009-02-20
Applicant: 삼성전자주식회사
IPC: H04B7/26
CPC classification number: H04L1/0023 , H04W72/04 , H04W72/0413
Abstract: PURPOSE: A method and an apparatus for signaling channel resource allocation information in a wireless communication system are provided to enable a base station to efficiently signal resource information for configuration carriers to a terminal in an upper link channel and a lower link channel. CONSTITUTION: A scheduler(803) determines a sub group of configuration carriers allocated to a terminal. A control information size determining device(801) determines a size of control information according to the number of the configuration carriers corresponding to the sub group. A control information generating unit(802) generates control information for transmitting the resource allocation information of the configuration carriers to the terminal. The scheduler comprises the resource allocation information of the configuration carriers in the header information of the control information.
Abstract translation: 目的：提供一种在无线通信系统中用于信令信道资源分配信息的方法和装置，以使得基站能够有效地将配置载波的资源信息发送到上链路信道和下链路信道中的终端。 构成：调度器（803）确定分配给终端的配置载波的子组。 控制信息尺寸决定装置（801）根据与该子组对应的配置载体的数量来确定控制信息的大小。 控制信息生成部（802）生成用于向终端发送配置载波的资源分配信息的控制信息。 调度器包括控制信息的报头信息中的配置载体的资源分配信息。
-
-
-
-
-
-
-
-
-
Search Results
43
records
(took 0.035 seconds)
