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公开(公告)号：US20090304099A1
公开(公告)日：2009-12-10
申请号：US12478291
申请日：2009-06-04
CPC分类号： H04L27/2626 , H04L5/0007 , H04L5/0044 , H04L5/005 , H04L5/0092 , H04L25/0226 , H04L27/2602 , H04L27/2613 , H04L27/2647 , H04L27/2666 , H04N5/4401 , H04N21/2362 , H04N21/2383 , H04N21/4345 , H04N21/4383 , H04N21/4385
摘要： A digital signal transmitter in which multiple data streams are each transmitted by modulation of a respective frequency band within one of a group of frequency channels, the frequency bands each occupying no more than a predetermined maximum bandwidth less than or equal to the channel width; comprises means for transmitting at respective frequency positions within each frequency channel, one or more instances of band information defining the frequency bands corresponding to all of the data streams carried within that frequency channel, the one or more instances being arranged so that any portion of the frequency channel equal in extent to the predetermined maximum bandwidth includes at least one instance of the band information.
摘要翻译： 一种数字信号发送器，其中通过调制一组频道中的一个频带内的各频带来发送多个数据流，每个频带占用不超过预定最大带宽小于或等于信道宽度; 包括用于在每个频率信道内的各个频率位置发送频带信息的一个或多个实例，所述频带信息定义与所述频率信道内携带的所有数据流相对应的频带，所述一个或多个实例被布置为使得 频率信道在预定的最大带宽范围内等于包括频带信息的至少一个实例。
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公开(公告)号：US20120236880A1
公开(公告)日：2012-09-20
申请号：US13485248
申请日：2012-05-31
IPC分类号： H04J3/00
CPC分类号： H04L27/2626 , H04L5/0007 , H04L5/0044 , H04L5/005 , H04L5/0092 , H04L25/0226 , H04L27/2602 , H04L27/2613 , H04L27/2647 , H04L27/2666 , H04N5/4401 , H04N21/2383 , H04N21/4345 , H04N21/4383 , H04N21/4385
摘要： A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least two preamble patterns adjacent to each other in the frequency direction and at least two data patterns, said transmitting apparatus comprising a pilot mapper configured to map the same sequence of pilot signals on frequency carriers of each of said at least two preamble patterns in a frame, each preamble pattern having the same length, a data mapper configured to map data on frequency carriers of said at least two data patterns in a frame a transformer configured to transform said preamble patterns and said data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and a transmitter configured transmit said transmission signal.
摘要翻译： 一种用于在多载波系统中基于帧结构发送信号的发送装置，每个帧包括在频率方向上彼此相邻的至少两个前导码模式和至少两个数据模式，所述发送装置包括导频映射器 在帧中的所述至少两个前导码模式中的每一个的频率载波上映射相同的导频信号序列，每个前导码模式具有相同的长度;数据映射器，被配置为将所述至少两个数据模式的频率载波上的数据映射到 帧，其被配置为将所述前导码模式和所述数据模式从频域变换到时域，以便生成时域传输信号，并且发射机被配置为发送所述传输信号。
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公开(公告)号：US20090304023A1
公开(公告)日：2009-12-10
申请号：US12437161
申请日：2009-05-07
IPC分类号： H04J3/00
CPC分类号： H04L27/2626 , H04L5/0007 , H04L5/0044 , H04L5/005 , H04L5/0092 , H04L25/0226 , H04L27/2602 , H04L27/2613 , H04L27/2647 , H04L27/2666 , H04N5/4401 , H04N21/2383 , H04N21/4345 , H04N21/4383 , H04N21/4385
摘要： The present invention relates to a transmitting apparatus (54) for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least two training patterns adjacent to each other in the frequency direction and at least two data patterns, said transmitting apparatus comprisingpilot mapping means (55) adapted to map the same sequence of pilot signals on frequency carriers of each of said at least two training patterns in a frame, each training pattern having the same length, data mapping means (58, 58′, 58″) adapted to map data on frequency carriers of said at least two data patterns in a frame, transforming means (60) adapted to transform said training patterns and said data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means (61) adapted to transmit said transmission signal.The present invention further relates to a corresponding transmitting method and a frame pattern for a multi carrier system.
摘要翻译： 本发明涉及一种用于在多载波系统中基于帧结构发送信号的发送装置（54），每个帧包括在频率方向上彼此相邻的至少两个训练模式和至少两个数据模式， 所述发送装置包括导频映射装置（55），其适于在帧中的所述至少两个训练模式中的每一个的频率载波上映射相同序列的导频信号，每个训练模式具有相同的长度，数据映射装置（58,58 ，58“），其适于将数据映射在帧中的所述至少两个数据模式的频率载波上;变换装置（60），适于将所述训练模式和所述数据模式从频域变换到时域，以便 生成时域发送信号，以及适于发送所述发送信号的发送单元（61）。 本发明还涉及用于多载波系统的相应的发送方法和帧模式。
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公开(公告)号：US20100041433A1
公开(公告)日：2010-02-18
申请号：US12499456
申请日：2009-07-08
申请人： Lothar STADELMEIER , Dietmar Schill , Joerg Robert
发明人： Lothar STADELMEIER , Dietmar Schill , Joerg Robert
IPC分类号： H04M1/00
摘要： The present invention relates to a transmitting apparatus (54) for transmitting signals in a multi carrier system on the basis of a frame structure, each frame comprising at least two signaling patterns adjacent to each other in the frequency direction and at least one data pattern, said transmitting apparatus comprising frame forming means (59) adapted to arrange signaling data and pilot signals in each of said at least two signaling patterns in a frame, each signaling pattern having the same length, and to arrange data on frequency carriers of said at least one data pattern in a frame, transforming means (60) adapted to transform said signaling patterns and said data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means (61) adapted to transmit said time domain transmission signal. The present invention further relates to a corresponding transmitting method, a frame pattern for a multi carrier system and a receiving apparatus and method as well as a transmitting and receiving system and method.
摘要翻译： 本发明涉及一种用于在多载波系统中基于帧结构发送信号的发送设备（54），每个帧包括在频率方向上彼此相邻的至少两个信令模式和至少一个数据模式， 所述发送设备包括帧形成装置（59），其适于在帧中的每个所述至少两个信令模式中布置信令数据和导频信号，每个信令模式具有相同的长度，并且将所述至少的频率载波上的数据排列 帧中的一个数据模式，适于将所述信令模式和所述数据模式从频域变换到时域的变换装置（60），以便产生时域传输信号;以及发送装置（61），适于发送所述 时域传输信号。 本发明还涉及相应的发送方法，用于多载波系统的帧模式以及接收装置和方法以及发送和接收系统和方法。
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公开(公告)号：US20120321000A1
公开(公告)日：2012-12-20
申请号：US13601697
申请日：2012-08-31
CPC分类号： H04L27/2601 , H04B3/54 , H04B3/542 , H04B2203/5408 , H04B2203/5425 , H04L1/0693 , H04L5/0025 , H04L5/0058 , H04L5/0092 , H04L25/0248 , H04L27/2646 , H04L27/2647
摘要： A method for transmitting a signal from a transmitter over a channel to a receiver on a Power Line Network, wherein said signal is OFDM-modulated on a set of sub-carriers, is proposed, wherein an OFDM tonemap and an eigenbeamforming encoding matrix are determined based on a channel estimation for each sub-carrier, a tonemap feedback signal and an eigenbeamforming feedback signal are generated, which are descriptive of said OFDM tonemap and said eigenbeamforming encoding matrix, respectively, and transmitted to the transmitter. A corresponding receiver, a transmitter, a power line communication and a power line communication system are described as well.
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公开(公告)号：US20120183022A1
公开(公告)日：2012-07-19
申请号：US13409574
申请日：2012-03-01
CPC分类号： H04L1/0668 , H04H20/46 , H04H20/72 , H04L1/0071 , H04L1/0606 , H04L1/0643 , H04L5/0023 , H04L5/0044 , H04L5/0048 , H04L5/006 , H04L2001/0093 , H04N21/2383 , H04N21/4382
摘要： A method of transmitting data symbols via an Orthogonal Frequency Division Multiplexed (OFDM) symbols that includes forming data symbols into pairs and generating a first pair of modulation symbols for each of the pairs of data symbols, where the first pair of modulation symbols form first and second modulation symbols of an Alamouti cell. The method further includes forming a first version of the OFDM symbols by modulating the sub-carriers allocated for carrying the data with the first and second modulation symbols of the Alamouti cells, and modulating the one or more pilot carriers of the first version of the OFDM symbol according to a predetermined pattern.
摘要翻译： 一种通过正交频分复用（OFDM）符号发送数据符号的方法，该正交频分复用（OFDM）符号包括将数据符号形成成对，并且为每对数据符号生成第一对调制符号，其中第一对调制符号首先形成， Alamouti单元的第二调制符号。 该方法还包括通过利用Alamouti小区的第一和第二调制符号调制分配用于携带数据的子载波来形成第一版本的OFDM符号，以及调制OFDM的第一版本的一个或多个导频载波 符号。
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公开(公告)号：US20120147897A1
公开(公告)日：2012-06-14
申请号：US13325973
申请日：2011-12-14
申请人： Lothar STADELMEIER , Dietmar Schill , Joerg Robert
发明人： Lothar STADELMEIER , Dietmar Schill , Joerg Robert
IPC分类号： H04L12/56
摘要： A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least two signalling patterns adjacent to each other in the frequency direction and at least one data pattern. Frame forming means arranges signalling data and pilot signals in each of said at least two signalling patterns in a frame and arrange data on frequency carriers of said at least one data pattern in a frame. Scrambling means scrambles the signalling data by use of a unique scrambling sequence. Transforming means transforms said signalling patterns and said data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal. Transmitting means transmits said time domain transmission signal.
摘要翻译： 一种用于在多载波系统中基于帧结构发送信号的发送装置，每个帧包括在频率方向上彼此相邻的至少两个信令模式和至少一个数据模式。 帧形成装置在帧中的所述至少两个信令模式的每一个中布置信令数据和导频信号，并且将帧中的所述至少一个数据模式的频率载波上的数据排列。 加扰意味着通过使用唯一的加扰序列来加扰信令数据。 变换装置将所述信令模式和所述数据模式从频域转换成时域，以产生时域传输信号。 发送装置发送所述时域发送信号。
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公开(公告)号：US20090168909A1
公开(公告)日：2009-07-02
申请号：US12327402
申请日：2008-12-03
IPC分类号： H04L27/28
CPC分类号： H04L1/0668 , H04H20/46 , H04H20/72 , H04L1/0071 , H04L1/0606 , H04L1/0643 , H04L5/0023 , H04L5/0044 , H04L5/0048 , H04L5/006 , H04L2001/0093 , H04N21/2383 , H04N21/4382
摘要： A method of transmitting data symbols via an Orthogonal Frequency Division Multiplexed (OFDM) symbols, includes forming data symbols into pairs, generating a first pair of modulation symbols for each of the pairs of data symbols, the first pair of modulation symbols forming first and second modulation symbols of an Alamouti cell, forming a first version of the OFDM symbols by modulating the sub-carriers allocated for carrying the data with the first and second modulation symbols of the Alamouti cells, and modulating the one or more pilot carriers of the first version of the OFDM symbol according to a predetermined pattern. The method also comprises generating a second pair of modulation symbols for each of the pairs of data symbols, the second pair of modulation symbols forming third and fourth modulation symbols of the Alamouti cell formed for the pair of data symbols in the first version of the OFDM symbol, forming a second version of the OFDM symbol by modulating the sub-carriers allocated for carrying the data with the third and fourth modulation symbols of the Alamouti cell, modulating the one or more pilot carriers of the second version of the OFDM symbols according to the predetermined pattern, and transmitting the first version of the OFDM symbol via a first antenna, and the second version of the OFDM symbol via a second antenna. For at least one of the pairs of data symbols, the sub-carriers, on which each of the first and second modulation symbols and the third and fourth modulation symbols forming the Alamouti cells, are separated within the first and second versions of the OFDM symbol by at least one other data bearing sub-carrier or one or more of the pilot carriers.A transmitter and/or receiver according to the invention find application with the Digitial Video Broadcast-Terestrial 2 (DVB-T2) standard.
摘要翻译： 一种通过正交频分多路复用（OFDM）符号发送数据符号的方法包括：将数据符号形成成对，为每对数据符号生成第一对调制符号，第一对调制符号形成第一和第二 Alamouti小区的调制符号，通过调制分配用于携带Alamouti小区的第一和第二调制符号的数据的子载波，形成第一版本的OFDM符号，以及调制第一版本的一个或多个导频载波 的OFDM符号。 该方法还包括为每对数据符号生成第二对调制符号，第二对调制符号形成在OFDM的第一版本中为该对数据符号形成的Alamouti小区的第三和第四调制符号 符号，通过调制分配用于携带Alamouti小区的第三和第四调制符号的数据的子载波来形成OFDM符号的第二版本，根据第二版本的OFDM符号调制一个或多个导频载波 预定模式，以及经由第一天线发送OFDM符号的第一版本，以及经由第二天线发送OFDM符号的第二版本。 对于数据符号对中的至少一个，形成Alamouti小区的第一和第二调制符号和第三和第四调制符号中的每一个的子载波在OFDM符号的第一和第二版本内分离 由至少一个其他数据承载子载波或一个或多个导频载波。 根据本发明的发射机和/或接收机利用Digitial Video Broadcast-Terestrial 2（DVB-T2）标准寻找应用。
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9.发明申请METHOD FOR TRANSMITTING A SIGNAL FROM A TRANSMITTER TO A RECEIVER IN A POWER LINE COMMUNICATION NETWORK, TRANSMITTER, RECEIVER, POWER LINE COMMUNICATION MODEM AND POWER LINE COMMUNICATION SYSTEM 有权用于将信号从发射机发送到电力线通信网络，发射机，接收机，电力线通信调制解调器和电力线路通信系统中的接收机的方法公开(公告)号：US20120320999A1
公开(公告)日：2012-12-20
申请号：US13601561
申请日：2012-08-31
CPC分类号： H04L27/2601 , H04B3/54 , H04B3/542 , H04B2203/5408 , H04B2203/5425 , H04L1/0693 , H04L5/0025 , H04L5/0058 , H04L5/0092 , H04L25/0248 , H04L27/2646 , H04L27/2647
摘要： A method for transmitting a signal from a transmitter over a channel to a receiver on a Power Line Network, wherein said signal is OFDM-modulated on a set of sub-carriers, is proposed, wherein an OFDM tonemap and an eigenbeamforming encoding matrix are determined based on a channel estimation for each sub-carrier, a tonemap feedback signal and an eigenbeamforming feedback signal are generated, which are descriptive of said OFDM tonemap and said eigenbeamforming encoding matrix, respectively, and transmitted to the transmitter. A corresponding receiver, a transmitter, a power line communication and a power line communication system are described as well.
摘要翻译： 一种用于通过信道将信号从发射机发送到电力线网络上的接收机的方法，其中所述信号在一组子载波上进行OFDM调制，其中确定OFDM子映射和本征波束形成编码矩阵 基于每个子载波的信道估计，生成分别描述所述OFDM tonemap和所述本征波束形成编码矩阵并且发送到发射机的tonemap反馈信号和本征波束形成反馈信号。 还描述了相应的接收机，发射机，电力线通信和电力线通信系统。
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公开(公告)号：US20120288017A1
公开(公告)日：2012-11-15
申请号：US13556572
申请日：2012-07-24
CPC分类号： H04L27/2601 , H04B3/54 , H04B3/542 , H04B2203/5408 , H04B2203/5425 , H04L1/0693 , H04L5/0025 , H04L5/0058 , H04L5/0092 , H04L25/0248 , H04L27/2646 , H04L27/2647
摘要： A method for transmitting a signal from a transmitter over a channel to a receiver on a Power Line Network, wherein said signal is OFDM-modulated on a set of sub-carriers, is proposed, wherein an OFDM tonemap and an eigenbeamforming encoding matrix are determined based on a channel estimation for each sub-carrier, a tonemap feedback signal and an eigenbeamforming feedback signal are generated, which are descriptive of said OFDM tonemap and said eigenbeamforming encoding matrix, respectively, and transmitted to the transmitter. A corresponding receiver, a transmitter, a power line communication and a power line communication system are described as well.
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