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21.发明申请公开(公告)号：US20130322423A1
公开(公告)日：2013-12-05
申请号：US13907150
申请日：2013-05-31
Inventor： Sung Ik PARK , Heung Mook KIM , Nam Ho HUR , Jeong Chang KIM
IPC: H04H20/42
CPC classification number: H04H20/423 , H04H20/72 , H04H60/07
Abstract: 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.
Abstract translation: 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。
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公开(公告)号：US20210377883A1
公开(公告)日：2021-12-02
申请号：US17277061
申请日：2019-09-16
Inventor： Hoi Yoon JUNG , Sung Ik PARK , Heung Mook KIM , Nam Ho HUR
Abstract: Disclosed are a method and an apparatus for transmitting and receiving a signal including cell information in a communication system. An operation method of a terminal comprises the steps of: receiving a first SS/PBCH block from a base station; receiving a second SS/PBCH block from the base station after receiving the first SS/PBCH block; and confirming information included in the first SS/PBCH block and the second SS/PBCH block by performing a combining operation on the first SS/PBCH block and the second SS/PBCH block when a transmission beam of the first SS/PBCH block is the same as a transmission beam of the second SS/PBCH block. Therefore, the performance of a communication system can be improved.
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公开(公告)号：US20210168807A1
公开(公告)日：2021-06-03
申请号：US16636587
申请日：2018-08-03
Inventor： Hoi Yoon JUNG , Sung Ik PARK , Heung Mook KIM , Nam Ho HUR
Abstract: A method for transmitting and receiving slot setting information in a communication system is disclosed. An operating method of a UE comprises the steps of: receiving, from a base station, a first upper layer message including SFI for indicating a format of a slot; receiving, from the base station, DCI or a second upper layer message for indicating a use of a flexible symbol belonging to the slot set by the SFI; and determining the flexible symbol belonging to the slot as a DL symbol or a UL symbol on the basis of the second upper layer message or the DCI. Therefore, a performance of a communication system can be improved.
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公开(公告)号：US20200220573A1
公开(公告)日：2020-07-09
申请号：US16737760
申请日：2020-01-08
Inventor： Myung-Sun BAEK , Jin Hyuk SONG , Joon Young JUNG , Heung Mook KIM , Eun Hee HYUN
Abstract: An apparatus and a method for processing an uplink signal of cable broadcasting network including: modulating uplink data to be transmitted to a broadcasting station which is located at an end of the cable broadcasting network into a plurality of symbols; performing a correlation-coding on the plurality of symbols; and outputting an analog radio frequency (RF) signal corresponding to the plurality of correlation-coded symbols are provided.
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25.发明申请公开(公告)号：US20190090029A1
公开(公告)日：2019-03-21
申请号：US16135373
申请日：2018-09-19
Inventor： Joon Young JUNG , Soon Choul KIM , Heung Mook KIM
IPC: H04N21/643 , H04N21/2381 , H04N21/434 , H04L1/00 , H04L27/00
CPC classification number: H04N21/64322 , H04L1/0003 , H04L27/0008 , H04N21/2381 , H04N21/2383 , H04N21/4345
Abstract: Disclosed is a method of transmitting broadcasting data and apparatus for the same. According to an embodiment of the present disclosure, the method of transmitting broadcasting data includes: determining at least one IP-based data packet provided in different lengths received from a higher layer; generating a media transport packet having a fixed length by converting the at least one IP-based data packet; and generating broadcasting data by modulating the generated media transport packet on the basis of a broadcasting data modulation scheme and transmitting the broadcasting data.
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Patent Agency Ranking
公开(公告)号：US20160072524A1
公开(公告)日：2016-03-10
申请号：US14942392
申请日：2015-11-16
Inventor： Sung Ik PARK , Heung Mook KIM , Nam Ho HUR
CPC classification number: H03M13/1185 , H03M13/1105 , H03M13/116 , H03M13/1165 , H03M13/1168 , H03M13/616 , H03M13/6552 , H03M13/6555 , H04L1/0041 , H04L1/0058
Abstract: Provided is an LDPC (Low Density Parity Check) code for terrestrial cloud broadcast. A method of encoding input information based on an LDPC (Low Density Parity Check) includes receiving information and encoding the input information with an LDPC codeword using a parity check matrix, wherein the parity check matrix may have a structure obtained by combining a first parity check matrix for an LDPC code having a higher code rate than a reference value with a second parity check matrix for an LDPC code having a lower code rate than the reference value.
Abstract translation: 提供了用于地面云广播的LDPC（低密度奇偶校验）码。 一种基于LDPC（Low Density Parity Check，低密度奇偶校验）的输入信息的编码方法包括使用奇偶校验矩阵以LDPC码字接收信息并对输入信息进行编码，其中奇偶校验矩阵可以具有通过组合第一奇偶校验 矩阵，用于具有比参考值更高的码率的LDPC码，具有用于具有比参考值更低的码率的LDPC码的第二奇偶校验矩阵。
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27.发明申请DIGITAL MODULATION METHOD AND APPARATUS, AND METHOD AND APPARATUS FOR PROVIDING MULTIPLE SERVICES USING SAID DIGITAL MODULATION 审中-公开数字调制方法和装置，以及使用数字调制来提供多种服务的方法和装置公开(公告)号：US20150358195A1
公开(公告)日：2015-12-10
申请号：US14734928
申请日：2015-06-09
Inventor： Young Min KIM , Heung Mook KIM , Jae Hyun SEO
CPC classification number: H04L27/3405 , H04L1/0071 , H04L1/0086
Abstract: The present invention discloses a digital modulation method for providing multiple services. The method for providing multiple services comprises multiplexing bits by allocating them according to a required SNR (Signal to Noise Ratio) of each service; and modulating multiplexed bits by applying non-uniform distances among constellation symbols.
Abstract translation: 本发明公开了一种用于提供多种服务的数字调制方法。 提供多种服务的方法包括：通过根据每个服务的所需SNR（信噪比）分配比特来复用比特; 以及通过在星座符号之间施加不均匀的距离来调制多路复用位。
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28.发明申请公开(公告)号：US20150312645A1
公开(公告)日：2015-10-29
申请号：US14677930
申请日：2015-04-02
Inventor： You Seok LEE , Kwanwoong RYU , Heung Mook KIM , Jin Hyuk SONG , Jae Hyun SEO , Ho Min EUM
IPC: H04N21/81 , H04N21/43 , H04N21/438 , H04N21/2383 , H04N21/242
CPC classification number: H04N21/814 , H04H20/59 , H04N21/2383 , H04N21/242 , H04N21/4302 , H04N21/4382
Abstract: When a disaster occurs, a disaster information transmitting apparatus generates disaster information, spreads the disaster information with a spreading code, modulates the spread disaster information, and transmits the modulated disaster information using a guard band of a broadcasting frequency band.
Abstract translation: 发生灾害时，灾害信息发送装置生成灾害信息，利用扩展码扩散灾害信息，调制扩散灾害信息，并使用广播频带的保护频带发送调制灾难信息。
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29.发明申请SOFT DECISION DETECTING METHOD AND APPARATUS OF MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEM 审中-公开多输入多输出通信系统的软判决检测方法及装置公开(公告)号：US20150295737A1
公开(公告)日：2015-10-15
申请号：US14642076
申请日：2015-03-09
Inventor： Young Min KIM , Jae Hyun SEO , Heung Mook KIM
CPC classification number: H04L25/03318 , H04B7/0413 , H04B7/0854 , H04L1/0042 , H04L1/0048 , H04L1/206 , H04L25/067
Abstract: A soft decision detecting device in a multiple-input multiple-output (MIMO) receiving apparatus detects reception symbols from signals received through a plurality of reception antennas, calculates a variance of interference and noise of the detected reception symbols, and soft-decision-demaps the detected reception symbols by using the variance of interference and noise of the detected reception symbols to thus calculate a soft decision value.
Abstract translation: 多输入多输出（MIMO）接收装置中的软决策检测装置从通过多个接收天线接收的信号检测接收符号，计算检测到的接收符号的干扰和噪声的方差，以及软判决解映射 通过使用所检测的接收符号的干扰和噪声的方差来检测接收符号，从而计算软判决值。
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30.发明申请METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL IN OFDM SYSTEM 审中-公开OFDM系统中发送和接收信号的方法和装置公开(公告)号：US20150195119A1
公开(公告)日：2015-07-09
申请号：US14309570
申请日：2014-06-19
Inventor： Jin Hyuk SONG , Jong Soo LIM , Heung Mook KIM
CPC classification number: H04L27/362 , H04L27/2614 , H04L27/2623 , H04L27/2628 , H04L27/265 , H04L27/38
Abstract: In an orthogonal frequency division multiplexing (OFDM) wireless communication system, by modulating a phase of a symbol signal of source data to transmit and by performing constellation mapping of additional data having a coded channel and a signal having a modulated phase, a transmitting signal in which the additional data and the signal having a modulated phase are coupled is generated and transmitted.
Abstract translation: 在正交频分复用（OFDM）无线通信系统中，通过调制源数据的符号信号的相位进行发送，并通过对具有编码信道的附加数据和具有调制相位的信号执行星座映射， 生成并发送附加数据和具有调制相位的信号的耦合。
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