公开(公告)号：US09780975B1

公开(公告)日：2017-10-03

申请号：US15291832

申请日：2016-10-12

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Sang Woon Kwak ,  Joung Il Yun ,  Myung Sun Baek ,  Young Su Kim ,  Hyoung Soo Lim ,  Nam Ho Hur

IPC分类号： H04L25/03 ,  H04L25/06 ,  H04L27/26 ,  H04B1/04

CPC分类号： H04L25/03834 ,  H04B1/04 ,  H04L25/03343 ,  H04L25/068 ,  H04L25/497

摘要： A Faster-Than-Nyquist (FTN) signal transmission apparatus and method thereof. The signal transmission apparatus includes a pilot interference estimator and compensator configured to estimate interference on pilot symbols by a Faster-Than-Nyquist (FTN) signal generated by FTN modulating a sequence of data symbols, and generate a compensated pilot symbol sequence to cancel the estimated interference; a pilot FTN modulator configured to generate an FTN pilot signal in which inter-pilot symbol interference does not occur, by performing FTN pulse-shaping on the compensated pilot symbol sequence; and a transmitter configured to transmit an FTN data signal and the FTN pilot signal.

公开(公告)号：US09686042B2

公开(公告)日：2017-06-20

申请号：US14251300

申请日：2014-04-11

申请人： Electronics and Telecommunications Research Institute

发明人： Sung Ik Park ,  Sun Hyoung Kwon ,  Heung Mook Kim ,  Nam Ho Hur ,  Jeong Chang Kim ,  Jae Hyun Seo ,  Ho Min Eum

IPC分类号： H04L1/00 ,  H04L27/26 ,  H04L5/00 ,  H04W16/14 ,  H04N21/61 ,  H04N21/438

CPC分类号： H04L1/0042 ,  H04L1/0075 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2692 ,  H04N21/4382 ,  H04N21/6112 ,  H04W16/14

摘要： Disclosed is a method of transmitting, by a transmission device, broadcast signals in a frequency-shared terrestrial broadcast system. The method includes generating the broadcast signals including pilot signals arranged at a physical layer frame based on a group identification (ID) defined according to a broadcast service, and transmitting the generated broadcast signals to a reception device, wherein the positions of the pilot signals arranged at the physical layer frame are different by group IDs.

公开(公告)号：US09485042B2

公开(公告)日：2016-11-01

申请号：US13907150

申请日：2013-05-31

申请人： Electronics and Telecommunications Research Institute

发明人： Sung Ik Park ,  Heung Mook Kim ,  Nam Ho Hur ,  Jeong Chang Kim

IPC分类号： H04L12/28 ,  H04H20/42 ,  H04H20/72 ,  H04H60/07 ,  H04J1/16

CPC分类号： H04H20/423 ,  H04H20/72 ,  H04H60/07

摘要： A transmitting and receiving apparatus and method for separating multiple broadcast signals from each other in a terrestrial cloud broadcast system are provided. A terrestrial cloud broadcast signal transmitting apparatus may include a plurality of transmitters for transmitting a plurality of terrestrial cloud broadcast signals, wherein each of the plurality of transmitters includes, an encoder encoding input data to generate a code word and a scrambler scrambling the generated code word using a scramble sequence uniquely allocated for each transmitter so that the plurality of terrestrial cloud broadcast signals are distinguished from each other.

摘要翻译： 提供了一种用于在陆地云广播系统中分离多个广播信号的发送和接收装置和方法。 地面云广播信号发送装置可以包括用于发送多个地面云广播信号的多个发射机，其中，所述多个发射机中的每一个包括：编码输入数据以生成码字的编码器和加扰所生成的码字的加扰器 使用为每个发射机唯一分配的扰频序列，使得多个地面云广播信号彼此区分开。

公开(公告)号：US09167309B2

公开(公告)日：2015-10-20

申请号：US13957134

申请日：2013-08-01

申请人： Electronics and Telecommunications Research Institute

发明人： Ho Sook Lee ,  Dong Joon Choi ,  Nam Ho Hur

IPC分类号： H04N7/16 ,  H04N7/173 ,  H04N21/61 ,  H04L12/28 ,  H04N21/239 ,  H04N21/238

CPC分类号： H04N21/6131 ,  H04L12/2801 ,  H04N21/238 ,  H04N21/239 ,  H04N21/6106 ,  H04N21/6125

摘要： A method for transmitting broadcast and data streams in an HFC-based cable network includes a first transmission step of a broadcast transmission apparatus sending broadcast and data service streams in an IP-based stream or RF signal form through an optical section up to a cell node that is a contact point between the optical section and a cable section of a cable network and a second transmission step of the cell node converting the broadcast and data service streams into one of RF signal, IP-based stream, and RF/IP convergence service stream forms depending on a service type of a subscriber terminal and sending the converted broadcast and data service streams to the subscriber terminal through the cable section.

摘要翻译： 一种用于在基于HFC的有线网络中发送广播和数据流的方法包括：广播传输设备的第一传输步骤，其以基于IP的流或RF信号形式通过光学部分发送广播和数据业务流，直到单元节点 即光纤部分和电缆网络的电缆部分之间的接触点，并且小区节点的第二传输步骤将广播和数据业务流转换成RF信号，基于IP的流和RF / IP收敛服务之一 流形式取决于用户终端的服务类型，并通过电缆部分将转换的广播和数据业务流发送给用户终端。

公开(公告)号：US20140344470A1

公开(公告)日：2014-11-20

申请号：US14360174

申请日：2012-11-23

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Jin Young Lee ,  Bong Ho Lee ,  Kug Jin Yun ,  Won Sik Cheong ,  Nam Ho Hur ,  Jae Gon Kim ,  Doo San Baek

IPC分类号： H04N21/236 ,  H04L29/06

CPC分类号： H04N21/236 ,  H04L65/607 ,  H04N21/234327 ,  H04N21/23439 ,  H04N21/2402 ,  H04N21/25825 ,  H04N21/2662

摘要： A method and apparatus for a streaming service to provide scalability and view information are provided. When a scalable video or multi-view video is transmitted using a Moving Picture Experts Group-2 (MPEG-2) system, scalability information or view information regarding the scalable video or multi-view video in a payload may be used. Using the scalability information or view information, a packetized scalable video or multi-view video may be efficiently adapted to various terminal performances, various network characteristics, a specific user preference, and the like.

摘要翻译： 提供了一种用于提供可扩展性和视图信息的流服务的方法和装置。 当使用运动图像专家组-2（MPEG-2）系统发送可伸缩视频或多视点视频时，可以使用有关负载中的可伸缩视频或多视图视频的可扩展性信息或视图信息。 使用可扩展性信息或视图信息，分组化可伸缩视频或多视图视频可以有效地适应于各种终端性能，各种网络特性，特定用户偏好等。

公开(公告)号：US08837553B2

公开(公告)日：2014-09-16

申请号：US13684485

申请日：2012-11-23

申请人： Electronics and Telecommunications Research Institute ,  Korean Broadcasting System ,  Nextwill Co., Ltd.

发明人： Sung Ik Park ,  Hyoungsoo Lim ,  Ho Min Eum ,  Jae Hyun Seo ,  Heung Mook Kim ,  Nam Ho Hur ,  Young Woo Suh ,  Jae Kwon Lee ,  Ha Kyun Mok ,  Won Gi Seo ,  Ju Byung Kim

IPC分类号： H04B1/00 ,  H04N21/2383 ,  H04N21/81 ,  H04N21/438 ,  H04B1/707

CPC分类号： H04B1/707 ,  H04H20/30 ,  H04H60/07 ,  H04N21/2383 ,  H04N21/4382 ,  H04N21/8126

摘要： Provided are an apparatus for addition data transmission includes: an IF broadcasting signal generating unit receiving the broadcast data, and FEC and modulation of the received broadcast data to generate a broadcasting signal in an intermediate frequency (IF) band; an IF addition signal generating unit receiving the addition data to generate an addition signal in the IF band by using direct sequence spread spectrum (DSSS); an average power controlling unit controlling average power of the addition signal in the IF band; a signal combining unit combining the broadcasting signal in the IF band and the addition signal in the IF band to generate a combination signal; an RF upward converting unit upwardly converting the combination signal in a signal in a radio frequency (RF) band to a combination signal in the RF band; and a transmitting unit transmitting the combination signal in the RF band.

摘要翻译： 提供了一种用于附加数据传输的装置，包括：IF广播信号产生单元，接收广播数据，以及FEC和调制所接收的广播数据以产生中频（IF）频带中的广播信号; IF附加信号发生单元，通过使用直接序列扩频（DSSS）接收加法数据以产生IF频带中的相加信号; 平均功率控制单元，控制IF频带中的相加信号的平均功率; 信号组合单元，组合IF频带中的广播信号和IF频带中的相加信号，以产生组合信号; 射频向上转换单元将射频（RF）频带中的信号中的组合信号向上转换为RF频带中的组合信号; 以及在RF频带中发送组合信号的发送单元。

公开(公告)号：US20240251408A1

公开(公告)日：2024-07-25

申请号：US18628818

申请日：2024-04-08

申请人： Electronics and Telecommunications Research Institute

发明人： Hoi Yoon JUNG ,  Sung lk Park ,  Nam Ho Hur ,  Seok Ki Ahn ,  Sung Jun Ahn

IPC分类号： H04W72/1273 ,  H04W72/044 ,  H04W72/23

CPC分类号： H04W72/1273 ,  H04W72/044 ,  H04W72/23

摘要： An operation method of a terminal in a communication system may comprise: performing a monitoring operation to receive BWP configuration information for common downlink communication; in response to receiving the BWP configuration information from the base station, configuring a common frequency region for the common downlink communication based on the BWP configuration information; receiving DCI including scheduling information of the common downlink communication from the base station; and performing the common downlink communication with the base station in the common frequency region by using a frequency resource indicated by the scheduling information, wherein the common downlink communication is communication between the base station and a plurality of terminals including the terminal.

公开(公告)号：US11317429B2

公开(公告)日：2022-04-26

申请号：US16636460

申请日：2018-07-05

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Hoi Yoon Jung ,  Sung Ik Park ,  Heung Mook Kim ,  Nam Ho Hur

IPC分类号： H04W72/12 ,  H04W72/04 ,  H04W72/10

摘要： A method for transmitting and receiving scheduling information in a communication system is disclosed. A method for operating a UE comprises the steps of: receiving, from a base station, a control channel including scheduling information of first data in slot #n; receiving, from the base station, a data channel including the first data and second data in the slot #n; receiving, from the base station, a control channel in slot #n+k, the control channel including PI indicating a transmission position of the second data in the slot #n; and demodulating the data channel on the basis of the scheduling information and the PI. Therefore, the performance of a communication system can be improved.

公开(公告)号：US09973740B2

公开(公告)日：2018-05-15

申请号：US14906994

申请日：2014-07-24

申请人： Electronics and Telecommunications Research Institute

发明人： Jin Young Lee ,  Nam Ho Hur

IPC分类号： H04N15/00 ,  H04N5/92 ,  H04N13/00 ,  H04N21/81 ,  H04N19/597 ,  H04N19/136 ,  H04N19/70 ,  H04N21/845 ,  H04N21/854

CPC分类号： H04N13/161 ,  H04N13/128 ,  H04N19/136 ,  H04N19/597 ,  H04N19/70 ,  H04N21/816 ,  H04N21/8456 ,  H04N21/85406 ,  H04N2013/0081

摘要： Disclosed is a method of encoding three-dimensional (3D) content. The method of encoding 3D content according to an embodiment may include setting a dependency between texture information and depth information of the 3D content, and generating a bitstream comprising the dependency.

公开(公告)号：US09936232B2

公开(公告)日：2018-04-03

申请号：US14414351

申请日：2013-07-11

申请人： Electronics and Telecommunications Research Institute

发明人： Jin Young Lee ,  Kug Jin Yun ,  Won Sik Cheong ,  Nam Ho Hur

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N21/236 ,  H04N21/434 ,  H04N21/845

CPC分类号： H04N21/23614 ,  H04N21/4348 ,  H04N21/8456

摘要： Provided is a method of processing MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining a duration flag indicating whether duration information of the at least one access unit is valid, in a corresponding MPU; and inserting the duration flag into a header of the corresponding MPU.