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公开(公告)号：KR1020130135742A
公开(公告)日：2013-12-11
申请号：KR1020130046437
申请日：2013-04-26
Applicant: 한국전자통신연구원 , 한국해양대학교 산학협력단
IPC: H04N21/2347 , H04N21/435
Abstract: A transmitting/receiving apparatus and method for separating multiple broadcast signals in a terrestrial cloud broadcast are provided. An apparatus of transmitting a terrestrial cloud broadcast signal includes a plurality of transmitters for transmitting a plurality of terrestrial cloud broadcast signals, each transmitter including: an encoder for generating a codeword by coding input data; and a scrambler for scrambling the generated codeword by using a scramble sequence inherently assigned to each transmitter such that the plurality of terrestrial cloud broadcast signals can be respectively separated. [Reference numerals] (110) First transmitter;(112,122) Encoder;(114,124) Scrambler;(120) N-th transmitter;(AA) Transmitting apparatus;(BB,DD) Input data;(CC) First scramble sequence;(EE) N-th scramble sequence
Abstract translation: 提供了一种在地面云广播中分离多个广播信号的发送/接收装置和方法。 发送地面云广播信号的装置包括：多个发射机，用于发射多个地面云广播信号，每个发射机包括：编码器，用于通过编码输入数据产生码字; 以及加扰器，用于通过使用固有地分配给每个发射机的加扰序列来加密所生成的码字，使得可以分别分离多个地面云广播信号。 （110）第一发送机（112,122）编码器（114,124）加扰器;（120）第N发射机;（AA）发送装置;（BB，DD）输入数据;（CC）第一加扰序列; EE）第N个扰频序列
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公开(公告)号：KR101313497B1
公开(公告)日：2013-10-01
申请号：KR1020100013289
申请日：2010-02-12
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0667 , H04L1/004 , H04L2001/0093
Abstract: 지상파 DTV 방송 및 부가데이터를 위한 다중 안테나 전송 장치 및 그 방법이 개시된다. 지상파 DTV 방송 신호의 기저대역에서 삽입된 부가데이터를 다수의 송신 안테나를 사용하여 전송하기 위해 기저대역에서 부가데이터 신호를 시공간 부호화 혹은 시공간 다중화하여 변조 전에 기저대역 DTV 방송 신호와 결합함으로써 기존의 지상파 DTV 방송 수신기의 성능에 큰 영향을 미치지 않으면서 부가데이터의 전송 효율을 증대시킬 수 있다.
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公开(公告)号：KR1020110070418A
公开(公告)日：2011-06-24
申请号：KR1020090127233
申请日：2009-12-18
Applicant: 한국전자통신연구원
IPC: H04N7/015
CPC classification number: H03M13/356 , H03M13/1102 , H03M13/2906 , H03M13/2936 , H03M13/2957 , H03M13/2966 , H04L1/0045 , H04L1/006 , H04L1/0065 , H04L1/0071
Abstract: PURPOSE: A T-DMB(Terrestiral-Digital Multimedia Broadcasting) transmitter and receiver are provided to improve transfer capacity keeping reverse compatibility. CONSTITUTION: An RS(Reed-Solomon) encoder(320) performs the RS encoding of a broadcasting signal. An FEC(Forward Error Correction) encoder(330) performs the channel encoding of an additional signal. A selector(340) selects the RS-encoded broadcasting signal or the channel-encoded additional signal. A VSB(Vestigial Side Band) transmitting unit(370) transmits the signal through an transmission antenna to a receiver.
Abstract translation: 目的：提供T-DMB（Terrestiral-Digital Multimedia Broadcasting）发射机和接收机，以提高传输容量，保持反向兼容性。 构成：RS（Reed-Solomon）编码器（320）执行广播信号的RS编码。 FEC（前向纠错）编码器（330）执行附加信号的信道编码。 选择器（340）选择RS编码的广播信号或信道编码的附加信号。 VSB（残留边带）发送单元（370）通过发送天线将信号发送到接收机。
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公开(公告)号：KR1020150067460A
公开(公告)日：2015-06-18
申请号：KR1020130152836
申请日：2013-12-10
Applicant: 한국전자통신연구원 , 한국해양대학교 산학협력단
CPC classification number: H04L27/2656
Abstract: 본발명은단일주파수망(single frequency network)에서동작하는주파수공유형지상파방송시스템에서, 수신기에의한방송신호해석방법에관한것이다. 본발명에따르면, 주파수공유형지상파방송시스템에있어서, 단일주파수망에서서로다른송신기로부터전송된다수의방송신호를구분할수 있다. 또한, 본발명에따르면, 다수의주파수공유형방송신호가동시에수신되는상황에서도개별방송신호의타이밍및 주파수동기를획득할수 있고, 기지국 ID를검출할수 있다.
Abstract translation: 本发明涉及用于在单频网络中操作的频率共享地面广播系统中的接收机分析广播信号的方法。 根据本发明，在频率共享地面广播系统中，可以在单个频率网络中区分从不同发射机发送的多个广播信号。 此外，根据本发明，在同时接收多个频率共享广播信号的同时，可以获取单个广播信号的定时和频率同步，并且可以检测基站ID。
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Patent Agency Ranking
公开(公告)号：KR1020150065304A
公开(公告)日：2015-06-15
申请号：KR1020130150462
申请日：2013-12-05
Applicant: 한국전자통신연구원 , 한국해양대학교 산학협력단
IPC: H04N21/235 , H04N21/435
CPC classification number: H04L1/0042 , H04L1/0075 , H04L5/0048 , H04L27/2613 , H04L27/2692 , H04N21/4382 , H04N21/6112 , H04W16/14
Abstract: 본발명은단일주파수망(single frequency network)에서동작하는주파수공유형지상파방송시스템을위한파일럿전송방법및 장치에관한것이다. 본발명에따른송신장치가방송신호를전송하는방법은, 방송서비스에따라정의되는그룹 ID(Identification)를기반으로물리계층프레임에배치한파일럿신호를포함한방송신호를생성하는단계, 및상기생성된방송신호를수신장치로전송하는단계를포함하되, 상기물리계층프레임에배치되는상기파일럿신호의위치는그룹 ID별로서로다름을특징으로한다. 본발명에따르면, 주파수공유형지상파방송시스템에있어서, 단일주파수망에서서로다른송신장치로부터방송신호가송출되는경우에도, 수신장치에서수신된각 방송신호의파일럿신호가겹치지않기때문에, 수신장치는각 방송신호를구분하여복조할수 있다. 또한, 다수의주파수공유형지상파방송신호가동시에수신되는상황에서도개별방송신호의복조가가능하다.
Abstract translation: 本发明涉及在单频网络中发送用于频率共享地面波广播的导频信号的方法和装置。 发送广播信号的方法包括：基于由广播业务定义的组识别（ID），产生包括布置在物理层帧中的导频信号的广播信号; 并接收所产生的广播信号。 布置在物理层帧中的导频信号的位置在每个组ID中是不同的。 根据本发明，在频率共享地面波广播系统中，即使在单频网络中向其他发送装置发送广播信号的情况下，由接收装置接收的每个广播信号的每个导频信号也不重叠， 允许接收设备对来自每个广播的信号进行区分和解调。 此外，在同时接收多频共享地面波广播信号的情况下，各广播信号的解调也是可能的。
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公开(公告)号：KR1020110125181A
公开(公告)日：2011-11-18
申请号：KR1020110044183
申请日：2011-05-11
Applicant: 한국전자통신연구원
CPC classification number: H04J13/0003 , H04J13/10
Abstract: PURPOSE: A device and method for transmitting/receiving data in a communication system are provided to transceiver additional data of broadcasting data by a transmitter identification signal for identifying a plurality of transmitter in a network. CONSTITUTION: A main service data generator(102) generates main service data of broadcasting data. A transformation unit(112) converts additional data in parallel form. A sequence generator(114) generates pseudo-random noise sequence. A selection unit(116) selects polarity about the pseudo-noise sequence. A control unit(124) controls the mean power of the additional data. A combination unit(106) combines the additional data and the main service data.
Abstract translation: 目的：提供一种用于在通信系统中发送/接收数据的设备和方法，用于通过用于识别网络中的多个发射机的发射机识别信号收发广播数据的附加数据。 构成：主服务数据生成器（102）生成广播数据的主服务数据。 变换单元（112）以并行形式转换附加数据。 序列发生器（114）产生伪随机噪声序列。 选择单元（116）选择关于伪噪声序列的极性。 控制单元（124）控制附加数据的平均功率。 组合单元（106）组合附加数据和主服务数据。
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公开(公告)号：KR1020110047101A
公开(公告)日：2011-05-06
申请号：KR1020100013289
申请日：2010-02-12
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0667 , H04L1/004 , H04L2001/0093
Abstract: PURPOSE: A multi-antenna transmission apparatus for transmitting a terrestrial DTV broadcasting signal and additional data is provided to transmit a terrestrial DTV broadcasting signal and additional data by using multi-antennas. CONSTITUTION: A temporal and spatial mapping unit(202) maps main service symbols generated by a main service symbol generating unit(201) to the plurality of transmission antennas. An additional data symbol generating unit(203) generates additional data symbols for an additional data service. The additional data service may be a service to provided in addition to a DTV broadcast service. A transmission of the additional data provides additional broadcast service in addition to the existing DTV broadcast, and provides data service such as an education service, a stock service, a public announcement service, and the like, in addition to the existing DTV service. In addition, additional information, such as program information, associated with the main service is transmitted. A range of the additional data service may not be limited thereto, and a variety of information may be included. A temporal and spatial encoder(204) performs temporal and spatial encoding of the additional data symbols generated by the additional data symbol generating unit, and generates symbols to be transmitted to the plurality of transmission antennas. The temporal and spatial encoder receives, as inputs, K additional data symbols from the additional data symbol generating unit 203, K being an integer number, and may generate T*M temporal and spatial encoded symbols to be transmitted to the M transmission antennas during a T time duration. A processor(210) generates symbols to be transmitted via the plurality of transmission antennas based on the main service symbols and the additional data symbols.
Abstract translation: 目的：提供用于发送地面DTV广播信号和附加数据的多天线发送装置，以通过使用多天线来发射地面DTV广播信号和附加数据。 构成：时空映射部（202）将由主服务符号生成部（201）生成的主服务符号映射到多个发送天线。 附加数据符号生成单元（203）生成用于附加数据服务的附加数据符号。 附加数据服务可以是除DTV广播服务之外提供的服务。 除了现有的数字电视广播之外，附加数据的传输还提供附加的广播服务，并且除了现有的数字电视服务之外，还提供诸如教育服务，股票服务，公告服务等的数据服务。 此外，发送与主服务相关联的诸如节目信息的附加信息。 附加数据服务的范围可以不限于此，并且可以包括各种信息。 时间和空间编码器（204）执行由附加数据符号生成单元生成的附加数据符号的时间和空间编码，并且生成要发送到多个发送天线的符号。 时间和空间编码器接收来自附加数据符号生成单元203的K个附加数据符号作为输入，K是整数，并且可以生成T * M个时间和空间编码符号，以在 T持续时间。 处理器（210）基于主服务符号和附加数据符号生成要经由多个发送天线发送的符号。
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公开(公告)号：KR102083278B1
公开(公告)日：2020-04-14
申请号：KR1020130150462
申请日：2013-12-05
Applicant: 한국전자통신연구원 , 한국해양대학교 산학협력단
IPC: H04N21/235 , H04N21/435
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