专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2009066866A1 REPEATER AND METHOD FOR PROCESSING SIGNAL, AND METHOD FOR CONVERTING SYNCHRONOUS FREQUENCY THEREOF 审中-公开
标题翻译：用于处理信号的再现器和方法，以及用于转换其同步频率的方法
公开(公告)号：WO2009066866A1
公开(公告)日：2009-05-28
申请号：PCT/KR2008/005720
申请日：2008-09-26
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , LIM, Hyoung Soo , EUM, Ho Min , PARK, Sung Ik , SEO, Jae Hyun , LEE, Yong Tae , LEE, Yong Hoon , KIM, Sung-Hoon , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
发明人： LIM, Hyoung Soo , EUM, Ho Min , PARK, Sung Ik , SEO, Jae Hyun , LEE, Yong Tae , LEE, Yong Hoon , KIM, Sung-Hoon , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04L7/00
CPC分类号： H04B7/15528
摘要： A repeater having different input and output frequencies converts a signal received with the input frequency to a first intermediate frequency signal based on a local oscillating frequency for intermediate frequency conversion, and converts the first intermediate frequency signal to a second intermediate frequency signal by performing digital processing on the first intermediate frequency signal. Then, the repeater generates a first frequency tone signal that corresponds to a difference between the input and output frequencies, and generates a second frequency tone signal from the local oscillating frequency for intermediate frequency conversion and the first frequency tone signal. The repeater up-converts the second intermediate frequency signal to the output frequency based on the second frequency tone signal, and transmits the signal.
摘要翻译：具有不同输入和输出频率的转发器基于用于中频转换的本地振荡频率将输入频率接收的信号转换为第一中频信号，并通过执行数字处理将第一中频信号转换为第二中频信号在第一个中频信号上。然后，中继器产生对应于输入和输出频率之间的差的第一频率音调信号，并且从用于中频变换的本地振荡频率和第一频率音调信号产生第二频率音调信号。中继器基于第二频率信号将第二中频信号上变频到输出频率，并发送信号。

2. 发明申请

WO2009025496A1 ON-CHANNEL REPEATING APPARATUS AND METHOD 审中-公开
标题翻译：通道重复设备和方法
公开(公告)号：WO2009025496A1
公开(公告)日：2009-02-26
申请号：PCT/KR2008/004847
申请日：2008-08-20
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , PARK, Sung Ik , KIM, Heung Mook , LIM, Jong-Soo , LEE, Soo In
发明人： PARK, Sung Ik , KIM, Heung Mook , LIM, Jong-Soo , LEE, Soo In
IPC分类号： H04B7/14
CPC分类号： H04B7/15585 , H04B1/525 , H04L25/03019
摘要： The present invention relates to an on-channel repeating apparatus and method. An embodiment of the present invention provides an on-channel repeating method including: subtracting a replica of a feedback signal from a signal received from a main transmitter or another repeating apparatus; demodulating and equalizing the signal to remove noise, a multipath signal, and the remaining feedback signal from the signal; inserting identification signal having good correlation properties into the signal; modulating the signal; and transmitting the modulated signal. Another embodiment of the present invention provides an on-channel repeating apparatus including: a unit that converts signals received from a main transmitter or another repeating apparatus into signals in a predetermined band; a unit that generates identification signals having good correlation properties; a unit that generates a replica from the signals in the predetermined band and the identification signal, and then removes a feedback signal; a unit that demodulates a signal from which the feedback signal is removed; a unit that equalizes the demodulated signal to remove noise, a multipath signal, and the remaining feedback signal therefrom; a unit that inserts the identification signal into the equalized signal; and a unit that modulates the signal having the identification signal inserted thereinto and transmits the modulated signal. According to the present invention, the repeating apparatus repeats output signals that have a small time delay and whose distortion is corrected. Therefore, it is possible to improve the utilization of limited frequency sources, and reduce investment in achieving a repeating apparatus.
摘要翻译：本发明涉及一种通道重复装置和方法。本发明的一个实施例提供了一种在线重复方法，包括：从从主发射机或其他中继装置接收的信号中减去反馈信号的副本; 解调和均衡信号以去除噪声，多路径信号和来自信号的剩余反馈信号; 将具有良好相关性的识别信号插入信号中; 调制信号; 并发送调制信号。本发明的另一实施例提供了一种同信道重复装置，包括：将从主发射机或其他中继装置接收的信号转换为预定频带的信号的单元; 产生具有良好相关性的识别信号的单元; 从预定频带的信号和识别信号产生副本的单元，然后去除反馈信号; 解调反馈信号被去除的信号的单元; 均衡解调信号以去除噪声的单元，多路径信号和其余的反馈信号; 将识别信号插入均衡信号的单元; 以及调制具有插入其中的识别信号的信号并发送调制信号的单元。根据本发明，中继装置重复具有小的时间延迟并且其失真被校正的输出信号。因此，可以提高有限的频率源的利用率，减少实现重复装置的投入。

3. 发明申请

WO2008147151A3 TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD, RECEPTION APPARATUS OF DIGITAL BROADCASTING SIGNAL AND TRANSMISSION FRAME-FORM THEREOF 审中-公开
公开(公告)号：WO2008147151A3
公开(公告)日：2008-12-04
申请号：PCT/KR2008/003072
申请日：2008-05-30
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SEO, Jae Hyun , LIM, Hyoung Soo , LEE, Yong Tae , KIM, Heung Mook , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
发明人： SEO, Jae Hyun , LIM, Hyoung Soo , LEE, Yong Tae , KIM, Heung Mook , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04N7/12
摘要： The present invention relates to a transmission method, a transmission apparatus, a reception method, and a reception apparatus of a digital broadcasting signal that can add frame header information to a front portion of a transmission frame in a transmission system for digital broadcasting to thereby determine a different transmission mode, modulation level, hierarchical modulation, error correction code, and the like for each temporally different transmission frame, and a transmission frame structure thereof. The transmission frame structure includes a frame header containing multiplexing information of the transmission frame, and a frame body containing data information associated with a service provided by the transmission frame. Also, the frame header may include a frame synchronization signal unit including synchronization signal information for extracting a start position of the transmission frame and a frame information unit including multiplexing information of data contained in the transmission frame. The multiplexing information denotes information associated with a transmission mode, a modulation level, a hierarchical modulation, and an error correction code of the data contained in the transmission frame.

4. 发明申请

WO2009054603A1 DIGITAL BROADCASTING SIGNAL TRANSMITTING METHOD AND DEVICE, RECORDING MEDIUM THEREOF, AND RECEIVING DEVICE THEREOF 审中-公开
标题翻译：数字广播信号发送方法及装置，记录介质及其接收装置
公开(公告)号：WO2009054603A1
公开(公告)日：2009-04-30
申请号：PCT/KR2008/004528
申请日：2008-08-04
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SEO, Jae Hyun , LIM, Hyoung Soo , KIM, Heung Mook , LEE, Yong Tae , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
发明人： SEO, Jae Hyun , LIM, Hyoung Soo , KIM, Heung Mook , LEE, Yong Tae , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04N7/01
CPC分类号： H04L45/74 , H04H20/30
摘要： In a digital broadcasting signal transmission system, a transmission frame includes a frame body and a frame header, and the frame body is divided into a plurality of sub-bands in the frequency domain and is divided into a plurality of symbols in the time domain. The frame header is provided in the former part of the transmission frame and is transmitted with a signal in the time domain. The frame body includes a plurality of services, and the services respectively receive at least one sub-band and at least one symbol. The frame header includes information on the plurality of services, and information on the plurality of services includes information on the sub-band and the symbol to which the services are allocated, information on channel encoding levels of the services, and information on digital modulation levels of the services.
摘要翻译：在数字广播信号传输系统中，传输帧包括帧体和帧头，并且帧体被划分成频域中的多个子带，并且在时域中被划分为多个符号。帧头在传输帧的前一部分中提供，并且在时域中以信号发送。帧体包括多个服务，并且服务分别接收至少一个子带和至少一个符号。帧头包括关于多个服务的信息，并且关于多个服务的信息包括关于子带和分配服务的符号的信息，关于服务的信道编码级别的信息以及关于数字调制级别的信息的服务。

5. 发明申请

WO2008147152A2 TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD, RECEPTION APPARATUS OF DIGITAL BROADCASTING SIGNAL 审中-公开
标题翻译：传输方法，传输装置，接收方法，数字广播信号接收装置
公开(公告)号：WO2008147152A2
公开(公告)日：2008-12-04
申请号：PCT/KR2008/003073
申请日：2008-05-30
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , LIM, Hyoung Soo , SHIN, Hyun-Chool , SEO, Jae Hyun , KIM, Heung Mook , LEE, Yong Tae , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
发明人： LIM, Hyoung Soo , SHIN, Hyun-Chool , SEO, Jae Hyun , KIM, Heung Mook , LEE, Yong Tae , PARK, Sung Ik , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04N7/12
CPC分类号： H04H20/42 , H04H20/72 , H04H40/18 , H04H60/07 , H04L1/0003 , H04L1/0017 , H04L1/0041 , H04L1/0065 , H04L1/0071 , H04L1/04 , H04L2001/0093 , H04L2001/0098 , H04N21/2343 , H04N21/234327
摘要： The present invention relates to a method and apparatus for transmitting digital broadcasting signals and a method and apparatus for receiving digital broadcasting signals that divide a stream into a plurality of layers according to characteristics of the stream, that independently process the layers, and that dynamically allocate frequencies on the basis of the processed signals. A method of transmitting digital broadcasting signals includes dividing a single stream into a plurality of layers according to characteristics of the stream; performing encoding and mapping on each of the layers; and dynamically allocating a frequency to each of the layers on the basis of the number of symbols for each layer.
摘要翻译：本发明涉及一种用于发送数字广播信号的方法和装置，以及用于接收数字广播信号的方法和装置，所述数字广播信号根据流的特性将流划分成多个层，其独立地处理这些层，并且动态分配基于处理的信号的频率。一种发送数字广播信号的方法包括根据流的特征将单个流划分成多个层; 在每个层上执行编码和映射; 并且基于每个层的符号数量动态地将频率分配给每个层。

6. 发明申请

WO2009020275A1 DEMODULATION DEVICE AND METHOD IN TRANSMISSION SYSTEM 审中-公开
标题翻译：传输系统中的解调装置和方法
公开(公告)号：WO2009020275A1
公开(公告)日：2009-02-12
申请号：PCT/KR2008/002695
申请日：2008-05-14
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SEO, Jae Hyun , KIM, Young Su , YANG, Kyu Tae , KIM, Ju Yeun , CHOI, Seomee , BAE, Jae-Hwui , LEE, Gwang Soon , YUN, Joung il , KIM, Kwang-Yong , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
发明人： SEO, Jae Hyun , KIM, Young Su , YANG, Kyu Tae , KIM, Ju Yeun , CHOI, Seomee , BAE, Jae-Hwui , LEE, Gwang Soon , YUN, Joung il , KIM, Kwang-Yong , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04L27/26
CPC分类号： H04L27/2604 , H04L25/0224 , H04L27/2649
摘要： A hierarchical demodulation device channel estimates a reference symbol based on a given symbol to generate a channel estimate of the reference symbol, channel estimates a plurality of information symbols based on the channel estimate of the reference symbol to generate channel estimates of a plurality of information symbols, channel estimates a plurality of service symbols based on the channel estimates of a plurality of information symbols to generate channel estimates of a plurality of service symbols, channel equalizes a signal based on the channel estimate of the reference symbol, the channel estimates of a plurality of information symbols, and the channel estimates of a plurality of service symbols, and hierarchically separates the channel equalized signal to generate a first hierarchical modulation signal and a second hier¬ archical modulation signal. Therefore, receiving performance of the low priority signals can be improved without influencing the high priority signals while maintaining compatibility with the existing system.
摘要翻译：分层解调设备信道基于给定符号估计参考符号以生成参考符号的信道估计，信道基于参考符号的信道估计来估计多个信息符号，以生成多个信息符号的信道估计信道基于多个信息符号的信道估计来估计多个服务符号以生成多个服务符号的信道估计，信道根据参考符号的信道估计来均衡信号，多个信道符号的信道估计的信息符号和多个服务符号的信道估计，并且分级地分离信道均衡信号以生成第一分层调制信号和第二等级调制信号。因此，可以提高低优先级信号的接收性能，而不影响高优先级信号，同时保持与现有系统的兼容性。

7. 发明申请

WO2009011487A1 HIERARCHICAL MODULATION METHOD AND DEVICE 审中-公开
标题翻译：分层调制方法和装置
公开(公告)号：WO2009011487A1
公开(公告)日：2009-01-22
申请号：PCT/KR2008/002062
申请日：2008-04-11
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , SEO, Jae Hyun , KIM, Heung Mook , KIM, Ju Yeun , CHOI, Seomee , KIM, Kwang-Yong , YUN, Joung il , LEE, Gwang Soon , BAE, Jae-Hwui , YANG, Kyu Tae , KIM, Young Su , LIM, Jong Soo , LEE, Soo In , AHN, Chie teuk
发明人： SEO, Jae Hyun , KIM, Heung Mook , KIM, Ju Yeun , CHOI, Seomee , KIM, Kwang-Yong , YUN, Joung il , LEE, Gwang Soon , BAE, Jae-Hwui , YANG, Kyu Tae , KIM, Young Su , LIM, Jong Soo , LEE, Soo In , AHN, Chie teuk
IPC分类号： H04L27/26
CPC分类号： H04L27/2604 , H03M13/1102 , H03M13/23 , H03M13/2957 , H03M13/356 , H04L27/261
摘要： A hierarchical modulation device modulates a plurality of first hierarchical symbols according to a first modulation method to generate a plurality of first hierarchical modulation symbols, inserts a plurality of pilot symbols into a plurality of second hierarchical symbols to generate a plurality of pilot insertion symbols, modulates a plurality of pilot insertion symbols according to a second modulation method to generate a plurality of second hierarchical modulation symbols, and maps a plurality of first hierarchical modulation symbols and the plurality of second hier archical modulation symbols in the signal space to generate a plurality of hierarchical modulation symbols. Therefore, the hierarchical modulation device can improve receiving performance of the enhancement layer without influencing the base layer.
摘要翻译：分级调制装置根据第一调制方式对多个第一分层符号进行调制以生成多个第一分层调制符号，将多个导频符号插入到多个第二分层符号中以产生多个导频插入符号，调制根据第二调制方法的多个导频插入符号，用于生成多个第二分层调制符号，并且在信号空间中映射多个第一分层调制符号和多个第二层次的归档调制符号以生成多个分层调制符号。因此，分级调制装置可以改善增强层的接收性能而不影响基本层。

8. 发明申请

WO2009005216A1 APPARATUS AND METHOD FOR HIERARCHICAL MODULATION AND APPARATUS AND METHOD FOR HIERARCHICAL DEMODULATION 审中-公开
标题翻译：用于分层调制的装置和方法以及用于分层解调的装置和方法
公开(公告)号：WO2009005216A1
公开(公告)日：2009-01-08
申请号：PCT/KR2008/002407
申请日：2008-04-28
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , LIM, Hyoung Soo , KIM, Sung-Hoon , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
发明人： LIM, Hyoung Soo , KIM, Sung-Hoon , KIM, Heung Mook , LIM, Jong Soo , LEE, Soo In
IPC分类号： H04L27/34
CPC分类号： H04L27/183 , H04L5/005 , H04L27/2601 , H04L27/3483 , H04L27/3488
摘要： An apparatus for hierarchical modulation generates a first hierarchical symbol sequence by mapping a first hierarchical bit sequence corresponding to an information bit sequence into a bit position in a first signal constellation according to a first modulation method. Further, the apparatus for hierarchical modulation generates a second hierarchical symbol sequence by mapping a second hierarchical bit sequence corresponding to an additional information bit sequence into a bit position in a second signal constellation according to a second modulation method and then phase-rotating the second hierarchical bit sequence as much as the phase of each first hierarchical symbol. The apparatus for hierarchical modulation generates a hierarchical modulating symbol sequence by adding up symbols in the generated second hierarchical symbol sequence and symbols in the first hierarchical symbol sequence.
摘要翻译：分层调制装置通过根据第一调制方法将与信息比特序列相对应的第一分层比特序列映射到第一信号星座中的比特位置来生成第一分层符号序列。此外，分层调制装置通过根据第二调制方法将与附加信息比特序列相对应的第二分层比特序列映射到第二信号星座中的比特位置，然后相位旋转第二等级比特序列与每个第一分层符号的相位一样多。用于分级调制的装置通过将生成的第二分层符号序列中的符号和第一分层符号序列中的符号相加来生成分层调制符号序列。

9. 发明申请

WO2008136618A1 APPARATUS FOR CHANNEL ENCODING FOR ENHANCEMENT LAYER OF DIGITAL MULTIMEDIA BROADCASTING TRANSMITTER, DIGITAL MULTIMEDIA BROADCASTING TRANSMITTER SYSTEM, DIGITAL MULTIMEDIA BROADCASTING RECEIVING SYSTEM AND EXPANSION-FORM OF FIG 0/1 审中-公开
标题翻译：用于数字多媒体广播发射机，数字多媒体广播发射机系统，数字多媒体广播接收系统和图0/1的扩展形式的增强编码的装置
公开(公告)号：WO2008136618A1
公开(公告)日：2008-11-13
申请号：PCT/KR2008/002509
申请日：2008-05-02
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , LEE, Gwang Soon , KIM, Young Su , BAE, Jae-Hwui , YANG, Kyu Tae , YUN, Joung il , KIM, Kwang-Yong , SEO, Jae Hyun , KIM, Heung Mook , KIM, Ju Yeun , CHOI, Seomee , KIM, Hyuk , LIM, Jong Soo , LEE, Soo In , AHN, Chie teuk
发明人： LEE, Gwang Soon , KIM, Young Su , BAE, Jae-Hwui , YANG, Kyu Tae , YUN, Joung il , KIM, Kwang-Yong , SEO, Jae Hyun , KIM, Heung Mook , KIM, Ju Yeun , CHOI, Seomee , KIM, Hyuk , LIM, Jong Soo , LEE, Soo In , AHN, Chie teuk
IPC分类号： H04N7/24
CPC分类号： H03M13/296 , H03M13/23 , H03M13/2771 , H03M13/2957 , H03M13/2996 , H03M13/356 , H03M13/3988 , H03M13/6368 , H04H20/95 , H04N21/234327 , H04N21/2383 , H04N21/6112 , H04N21/64792
摘要： The present invention relates to a channel encoder for an enhancement layer of a digital-multimedia-broadcasting transmitting device, a digital broadcasting transmitting device, a digital broadcasting receiving device, and an extension structure of sub-channel configuration field (FIG0/1 ) for designating a protection level of sub-channel at the enhancement layer. In a channel encoder for the enhancement layer according to the invention, the channel encoder is included in a hierarchical DMB transmitting unit that modulates a base layer transport stream and a enhancement layer transport stream for video and audio by a base layer modulation system and an enhancement layer modulation system, respectively, and performs symbol mapping of the enhancement layer according to the position of a constellation based on the base layer modulation system. Furthermore, the hierarchical DMB transmitting unit includes an energy dispersal scrambler that disperses energy of the enhancement layer transport stream, and a turbo encoder that receives a double-binary input vector corresponding to an output of the energy dispersal scrambler and encodes it by using a double-binary circular recursive systematic code.
摘要翻译：本发明涉及用于数字多媒体广播发送装置的增强层的信道编码器，数字广播发送装置，数字广播接收装置和子信道配置字段的扩展结构（图0/1），用于在增强层指定子信道的保护级别。在根据本发明的用于增强层的信道编码器中，信道编码器被包括在分层DMB发送单元中，该单元通过基本层调制系统和增强来调制用于视频和音频的基本层传输流和增强层传输流分层调制方式，根据基本层调制方式的星座位置进行增强层的符号映射。此外，分级DMB发送单元包括分散增强层传输流的能量的能量分散扰频器，以及接收与能量分散扰频器的输出相对应的双二进制输入向量的turbo编码器，并且通过使用双二进制循环递归系统代码。

10. 发明申请

WO2009075468A2 REPEATER AND METHOD FOR PROCESSING SIGNAL, AND METHOD FOR CNVERTING FREQUENCY THEREOF 审中-公开
标题翻译：用于处理信号的重放器和方法及其频率的方法
公开(公告)号：WO2009075468A2
公开(公告)日：2009-06-18
申请号：PCT/KR2008/005979
申请日：2008-10-10
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , EUM, Ho Min , LIM, Hyoung Soo , LEE, Yong Tae , KIM, Heung Mook , LIM, Jong Soo
发明人： EUM, Ho Min , LIM, Hyoung Soo , LEE, Yong Tae , KIM, Heung Mook , LIM, Jong Soo
IPC分类号： H04B7/14
CPC分类号： H04B7/155 , H04W56/0035
摘要： A repeater converts a frequency of a received signal based on a local oscillating frequency and transmits a transmitting signal of a frequency that is different from the frequency of the received signal. Here, the local oscillating frequency includes a local oscillating error that may be different in a plurality of repeaters. Accordingly, the repeater cancels the local oscillating frequency error itself in a frequency conversion so that transmitting frequencies between the plurality of repeaters may be identical.
摘要翻译：中继器基于本地振荡频率转换接收信号的频率，并且发送与接收信号的频率不同的频率的发送信号。这里，本地振荡频率包括在多个中继器中可能不同的本地振荡误差。因此，中继器在频率转换中抵消本地振荡频率误差本身，使得多个转发器之间的发送频率可以相同。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式