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公开(公告)号:KR1020120119528A
公开(公告)日:2012-10-31
申请号:KR1020110037504
申请日:2011-04-21
Applicant: 한국전자통신연구원
IPC: H04N21/61 , H04L29/06 , H04L12/18 , H04N21/2343 , H04N21/236
CPC classification number: H04L65/80 , H04L12/184 , H04L65/4076 , H04N21/234327 , H04N21/23617 , H04N21/6112
Abstract: PURPOSE: A transmitting and receiving method for a layer linkage type broadcasting web site service and a device thereof are provided to supply an existing quality broadcasting web site service or an expanded quality broadcasting web site service to a terminal receiving the layer linkage type broadcasting web site service including expanded quality, thereby providing a more improved service. CONSTITUTION: A basic layer object processing unit(11) generates basic objects by dividing data for an inputted basic quality service into objects. An enhanced layer object processing unit(12) generates additional objects and connection objects for connecting the additional objects by dividing the additional data into the objects. A basic layer directory processing unit(13) generates a basic quality directory including information about the basic objects. [Reference numerals] (11) Basic layer object processing unit; (12) Enhanced layer object processing unit; (13) Basic layer directory processing unit; (14) Enhanced layer directory processing unit; (15) Basic layer MOT processing unit; (16) Enhanced layer MOT processing unit; (17) Transmission processing unit; (AA) Basic quality BWS service; (BB) Basic object relevant information; (CC) Basic quality BWS directory; (DD) Basic layer object; (EE) Enhanced layer object; (FF) Expanded quality BWS directory; (GG) Object relevant information; (HH) Expanded quality BWS service
Abstract translation: 目的:提供一种层次连接型广播网站服务的发送和接收方法及其装置,用于向接收层间链接型广播网站的终端提供现有的优质广播网站服务或扩展质量广播网站服务 服务包括扩大质量,从而提供更加完善的服务。 构成:基本层对象处理单元(11)通过将输入的基本质量服务的数据划分为对象来生成基本对象。 增强层对象处理单元(12)通过将附加数据划分为对象来生成用于连接附加对象的附加对象和连接对象。 基本层目录处理单元(13)生成包含关于基本对象的信息的基本质量目录。 (附图标记)(11)基本层对象处理单元; (12)增强层对象处理单元; (13)基本层目录处理单元; (14)增强层目录处理单元; (15)基层MOT处理单元; (16)增强层MOT处理单元; (17)发送处理单元; (AA)基本质量BWS服务; (BB)基本对象相关信息; (CC)基本质量BWS目录; (DD)基本层对象; (EE)增强层对象; (FF)扩展质量BWS目录; (GG)对象相关信息; (HH)扩展质量BWS服务
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公开(公告)号:KR1020120066912A
公开(公告)日:2012-06-25
申请号:KR1020100128266
申请日:2010-12-15
Applicant: 한국전자통신연구원
IPC: H04N21/43 , H04N21/8547
CPC classification number: H04N21/25891 , H04N21/234327 , H04N21/2365 , H04N21/242 , H04N21/4305 , H04N21/4307 , H04N21/4347
Abstract: PURPOSE: A synchronizing apparatus and a method thereof are provided to prevent abnormal decoding phenomenon due to delay of transport streams in a digital broadcasting system. CONSTITUTION: A basic layer processing unit(101) generates a basic layer transport stream. An additional layer processing unit(102) generates additional layer transport stream. A system synchronization unit(103) inserts program clock reference information to the basic transport stream based on one system time clock. The system synchronization unit inserts the original PCR information to the additional layer transport stream.
Abstract translation: 目的:提供一种同步装置及其方法,以防止数字广播系统中的传输流的延迟引起的异常解码现象。 构成:基本层处理单元(101)生成基本层传输流。 附加层处理单元(102)产生附加层传输流。 系统同步单元(103)基于一个系统时钟将程序时钟参考信息插入到基本传输流。 系统同步单元将原始PCR信息插入附加层传输流。
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公开(公告)号:KR1020120035827A
公开(公告)日:2012-04-16
申请号:KR1020110010865
申请日:2011-02-08
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0456 , H04L5/0023 , H04L25/03891 , H04L27/0008 , H04L27/206 , H04L27/367 , H04H20/65
Abstract: PURPOSE: A MIMO(Multiple Input Multiple Output) transmission method in a digital video broadcasting system and a device thereof are provided to make an average output power of a signal inputted to each antenna equal or similar to each other. CONSTITUTION: An r2n-1 and an r2n are generated by the combination of a transmission signal modulated by 16QAM(Quadrature Amplitude Modulation) and QPSK(Quadrature Phase Shift Keying) modulation through a precoding process. A value with a different component size of 16QAM and QPSK is included in the r2n-1 and the r2n. The r2n-1 and the r2n have a different PAPR (Peak-to-Average Power Ratio) value from each other. A precoded r2n-1 and r2n are alternatively inputted to an amplifier connected to each antenna for the signal inputted to an amplifier before amplification of the output signal from antenna 1 and antenna 2.
Abstract translation: 目的:提供数字视频广播系统中的MIMO(多输入多输出)传输方法及其装置,以使输入到每个天线的信号的平均输出功率相等或相似。 构成:通过预编码处理通过由16QAM(正交幅度调制)和QPSK(正交相移键控)调制的传输信号的组合生成r2n-1和r2n。 在r2n-1和r2n中包含具有16QAM和QPSK的不同分量的值。 r2n-1和r2n具有彼此不同的PAPR(峰均功率比)值。 在从天线1和天线2的输出信号放大之前,将预编码的r2n-1和r2n交替地输入到连接到每个天线的放大器的输入到放大器的信号的放大器。
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公开(公告)号:KR1020110133857A
公开(公告)日:2011-12-14
申请号:KR1020100053500
申请日:2010-06-07
Applicant: 한국전자통신연구원 , 부산대학교 산학협력단
CPC classification number: H04N21/26606 , H04H2201/11
Abstract: PURPOSE: A method for transmission of conditional access message for a terrestrial DMB is provided to reduce transmission capacitance of conditional access message. CONSTITUTION: A resource collector collects resources of vacant FIB(Fast information Block) and an MSC(Main Service Channel) domain among not used resources which are not used in each sub channel. The resource collector multiplexes the collected resource pieces(S110). The resource collector creates a conditional access message(S130). The resource collector transmits the conditional access message(S140). If the message transmission is completed, the resource collector completes the transmission of the conditional access message(S150,S160).
Abstract translation: 目的:提供一种用于传输地面DMB的条件访问消息的方法,以减少条件访问消息的传输电容。 规定:资源收集者在每个子频道中未使用的未使用资源中收集空闲FIB(快速信息块)和MSC(主服务信道)域的资源。 资源收集器复用所收集的资源块(S110)。 资源收集器创建条件访问消息(S130)。 资源收集器发送条件访问消息(S140)。 如果消息发送完成,则资源收集器完成条件访问消息的发送(S150,S160)。
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公开(公告)号:KR1020110093578A
公开(公告)日:2011-08-18
申请号:KR1020100102101
申请日:2010-10-19
Applicant: 한국전자통신연구원
CPC classification number: H04N21/4385 , H04H2201/11 , H04N5/40 , H04N5/4401
Abstract: PURPOSE: An apparatus and method for transmitting/receiving a broadcasting signal are provided to increase the use efficiency of data resource according to a service grade. CONSTITUTION: A basic first service stream is generated by processing first service stream(S210). A second service stream is processed in the first service stream(S220). A third service stream is processed by generating an added hierarchical signal(S230). A hierarchical modulation signal is generated by modulating the basic first layer signal(S240).
Abstract translation: 目的:提供一种用于发送/接收广播信号的装置和方法,以根据服务等级提高数据资源的使用效率。 构成:通过处理第一业务流生成基本的第一业务流(S210)。 在第一服务流中处理第二服务流(S220)。 通过生成附加的分层信号来处理第三服务流(S230)。 通过调制基本第一层信号来生成分级调制信号(S240)。
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公开(公告)号:KR1020110068806A
公开(公告)日:2011-06-22
申请号:KR1020100066361
申请日:2010-07-09
Applicant: 한국전자통신연구원
CPC classification number: H04L27/0012 , H04L27/2601 , H04L27/2647 , H04L27/3488
Abstract: PURPOSE: A transceiver supporting hierarchical modulating method of a T-DMB system is provided to minimize interference between two broadcasting signals. CONSTITUTION: A T-DMB(Terrestrial-Digital Multimedia Broadcasting) transmitter includes an HP(High Priority) signal transmitter(100), an LP(Low Priority) signal transmitter(200), and a hierarchical modulator(300). The hierarchical modulator increases an LP signal and an HP signal.
Abstract translation: 目的:提供支持T-DMB系统分级调制方式的收发机,以最小化两个广播信号之间的干扰。 构成:T-DMB(地面数字多媒体广播)发射机包括HP(高优先级)信号发射机(100),LP(低优先级)信号发射机(200)和分级调制器(300)。 分层调制器增加LP信号和HP信号。
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公开(公告)号:KR1020110021613A
公开(公告)日:2011-03-04
申请号:KR1020090122209
申请日:2009-12-10
Applicant: 한국전자통신연구원 , 서울과학기술대학교 산학협력단
Abstract: PURPOSE: A position recognition apparatus using OFDM(Orthogonal Frequency Division Multiplexing) watermarking and a method thereof are provided to calculate the position of a mobile terminal even GPS signal is not received or error is generated in GPS signal receiving. CONSTITUTION: A correlation character extracting unit(250) distinguishes OFDM transmitters based on the result of the correlation character extraction. The correlation character extracting unit calculates correlation characteristic peak values of OFDM transmitters which are obtained through matching filter. An OFDM position calculation unit(260) calculates distances from the OFDM transmitters according to the size of correlation character peak values of the OFDM transmitters. The OFDM position calculation unit calculates the position by using distance values of more than three OFDM transmitters.
Abstract translation: 目的:提供使用OFDM(正交频分复用)水印的位置识别装置及其方法来计算移动终端的位置,即使GPS信号未被接收或在GPS信号接收中也产生错误。 构成:相关字符提取单元(250)根据相关字符提取的结果区分OFDM发送器。 相关特征提取单元计算通过匹配滤波器获得的OFDM发射机的相关特征峰值。 OFDM位置计算单元(260)根据OFDM发射机的相关字符峰值的大小计算来自OFDM发射机的距离。 OFDM位置计算单元通过使用多于三个OFDM发射机的距离值来计算位置。
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公开(公告)号:KR1020100072593A
公开(公告)日:2010-07-01
申请号:KR1020080131039
申请日:2008-12-22
Applicant: 한국전자통신연구원
IPC: H04L7/00
CPC classification number: H04L7/0054 , H04L7/041
Abstract: PURPOSE: A method for estimating the symbol timing of an input signal in an uplink cable modem and a device thereof are provided to estimate exact symbol timing by using a matched filter of preamble about the input signal of the uplink cable modem oversampled more than symbol speed. CONSTITUTION: A signal receiving unit(410) receives an input signal including preamble through a cable network. An uplink cable modem demodulator unit(420) estimates the symbol timing of the input signal by computing the count value of a matched filter and preamble. The uplink cable modem demodulator unit comprises a counter unit(422) processing the windowing about the input signal based on the selection of a switch and a switch unit(421) for selectively switching the input signal. The uplink cable modem demodulator unit comprises a comparison unit(425) estimating a sample delay unit(423) delaying the input of the input signal, the symbol timing of the input signal, and an operation unit(424) which processes calculation by reflecting the coefficient of the matched filter to the delayed input signal.
Abstract translation: 目的:提供一种用于估计上行电缆调制解调器及其装置中的输入信号的符号定时的方法,以通过使用前导码的匹配滤波器来估计精确符号定时,该匹配滤波器关于上行电缆调制解调器的输入信号超过符号速度 。 构成:信号接收单元(410)通过有线网络接收包括前导码的输入信号。 上行链路电缆调制解调器单元(420)通过计算匹配滤波器和前导码的计数值来估计输入信号的符号定时。 上行电缆调制解调器单元包括一个计数器单元(422),用于基于开关的选择和用于选择性地切换输入信号的开关单元(421)来处理关于输入信号的窗口。 上行链路电缆调制解调器单元包括估计延迟输入信号的输入,输入信号的符号定时的采样延迟单元(423)的比较单元(425),以及通过反映 匹配滤波器的系数与延迟的输入信号。
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公开(公告)号:KR1020100071494A
公开(公告)日:2010-06-29
申请号:KR1020080130232
申请日:2008-12-19
Applicant: 한국전자통신연구원
CPC classification number: H04L12/2801 , H04N21/2383 , H04N21/4382
Abstract: PURPOSE: A cable modem and a method for performing a channel bonding operation and a method for controlling the same are provided to reduce a complexity of a wireless frequency processor by including a digital up-converter which up-converts digital data frequency. CONSTITUTION: A plurality of modulators(310) generates a plurality of digital data corresponding to a plurality of independent channels. A plurality of digital up-converters(320) up-converts the plurality of digital data into a pre-set frequency. A wireless frequency processor integrates the output of the plurality of digital up-converters with the pre-set frequency into at least one channel and subsequently generates analog output signal. A plurality of amplifiers amplifies the outputs of the plurality of digital up-converters. A plurality of band-pass filters performs a band pass filtering operation with respect to the output of the plurality of amplifiers. A combiner combines the outputs of the plurality of band-pass filters into at least one channel.
Abstract translation: 目的:提供电缆调制解调器和用于执行信道绑定操作的方法及其控制方法,以通过包括对数字数据频率进行上变频的数字上变频器来降低无线频率处理器的复杂性。 构成:多个调制器(310)产生对应于多个独立通道的多个数字数据。 多个数字上变换器(320)将多个数字数据上变频为预设频率。 无线频率处理器将多个数字上变换器的输出与预设频率集成到至少一个通道中,并随后产生模拟输出信号。 多个放大器放大多个数字上变频器的输出。 多个带通滤波器对多个放大器的输出执行带通滤波操作。 组合器将多个带通滤波器的输出组合成至少一个通道。
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