公开(公告)号：US08515382B2

公开(公告)日：2013-08-20

申请号：US12940567

申请日：2010-11-05

Applicant: Andreas Schwager ,  Markus Zumkeller ,  Gralf Gaedeken ,  Stephen Tiedemann ,  Lothar Stadelmeier

Inventor： Andreas Schwager ,  Markus Zumkeller ,  Gralf Gaedeken ,  Stephen Tiedemann ,  Lothar Stadelmeier

IPC: H04M9/00

CPC classification number: H04B3/542 ,  H04B3/54 ,  H04B15/005 ,  H04B17/309 ,  H04B2203/5408 ,  H04B2203/5416 ,  H04B2203/5425 ,  H04B2203/5445 ,  H04B2203/5495 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/006 ,  H04L27/2637

Abstract: A power line communication method for realizing data communication between at least one first or sending power line communication partner device and at least one second or receiving power line communication partner device. The method checks transmission conditions of a plurality of possible communication channels, thereby generating transmission condition data descriptive for the communication conditions of the respective possible communication channels. Additionally, communication conditions of the plurality of possible communication channels are selected as actual communication conditions based on the transmission condition data.

Abstract translation: 一种用于实现至少一个第一或发送电力线通信对方设备与至少一个第二或接收电力线通信伙伴设备之间的数据通信的电力线通信方法。 该方法检查多个可能通信信道的发送条件，从而生成描述各个可能通信信道的通信条件的发送条件数据。 此外，基于发送条件数据，选择多个可能通信信道的通信条件作为实际通信条件。

公开(公告)号：US08462866B2

公开(公告)日：2013-06-11

申请号：US13409574

申请日：2012-03-01

Applicant: Lothar Stadelmeier ,  Dietmar Schill ,  Daniel Schneider

Inventor： Lothar Stadelmeier ,  Dietmar Schill ,  Daniel Schneider

IPC: H04K1/10

CPC classification number: 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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08363740B2

公开(公告)日：2013-01-29

申请号：US12436526

申请日：2009-05-06

Applicant: Lothar Stadelmeier ,  Andreas Schwager

Inventor： Lothar Stadelmeier ,  Andreas Schwager

IPC: H04L27/28

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L5/0058

Abstract: The present invention relates to a transmitting apparatus (62) for transmitting signals in a multi carrier system, in which pilot signals and data mapped on frequency carriers are transmitted in a transmission bandwidth, wherein a part of said transmission bandwidth is not used to transmit signals, comprisingpilot signal mapping means (63) for mapping pilot signals onto selected frequency carriers according to a pilot pattern which is adapted for a channel estimation in a corresponding receiving apparatus, said pilot pattern enabling a channel estimation for frequency carriers next to said part of said transmission bandwidth which is not used to transmit signals. The present invention further relates to a corresponding method as well as a pilot pattern.

Abstract translation: 本发明涉及一种用于在多载波系统中发送信号的发送装置（62），其中在传输带宽中发送导频信号和映射在频率载波上的数据，其中所述传输带宽的一部分不用于发送信号 ，包括导频信号映射装置（63），用于根据导频模式将导频信号映射到所选择的频率载波上，所述导频模式适于在对应的接收装置中进行信道估计，所述导频模式使能对所述部分的所述部分之后的频率载波进行信道估计 所述传输带宽不用于传输信号。 本发明还涉及相应的方法以及导频模式。

公开(公告)号：US20120321019A1

公开(公告)日：2012-12-20

申请号：US13596699

申请日：2012-08-28

Applicant: Lothar Stadelmeier ,  Markus Zumkeller ,  Andreas Schwager ,  Stephen Tiedemann ,  Gralf Gaedeken

Inventor： Lothar Stadelmeier ,  Markus Zumkeller ,  Andreas Schwager ,  Stephen Tiedemann ,  Gralf Gaedeken

IPC: H04L27/20 ,  H04L27/04

CPC classification number: H04L27/2032 ,  H04B3/542 ,  H04B2203/5425 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/03006 ,  H04L27/2613 ,  H04L27/2655

Abstract: A transmitting device, a receiving device, and a communication method for transmitting and receiving data modulated on frequency subcarriers of an OFDM communication system. An OFDM burst includes a preamble part and payload data part, whereby the preamble includes a section of pilot symbols mapped onto every n-th frequency subcarrier and signaling data mapped onto the frequency subcarriers between the frequency subcarriers with the pilot symbols. A first channel estimation on the basis of the received pilot symbols is performed, the result of which is used to reconstruct the entire section of the received preamble as a training pattern for an accurate channel estimation, which is used for a channel equalization of the received payload part.

Abstract translation: 发送装置，接收装置以及用于发送和接收在OFDM通信系统的频率子载波上调制的数据的通信方法。 OFDM突发包括前导码部分和有效载荷数据部分，由此前导码包括映射到每个第n个频率子载波上的一部分导频符号和映射到具有导频符号的频率副载波之间的频率子载波上的信令数据。 执行基于接收到的导频符号的第一信道估计，其结果用于将接收到的前导码的整个部分重建为用于精确信道估计的训练模式，其用于所接收的导频符号的信道均衡 有效载荷部分。

公开(公告)号：US20120314786A1

公开(公告)日：2012-12-13

申请号：US13579618

申请日：2011-02-22

Applicant: Samuel Asanbeng Atungsiri ,  Lothar Stadelmeier ,  Sven Muhammad ,  Jorg Robert ,  Obioma Chiedozie Donald Okehie ,  Matthew Paul Athol Taylor ,  Jan Zoellner

Inventor： Samuel Asanbeng Atungsiri ,  Lothar Stadelmeier ,  Sven Muhammad ,  Jorg Robert ,  Obioma Chiedozie Donald Okehie ,  Matthew Paul Athol Taylor ,  Jan Zoellner

IPC: H04L27/28 ,  H04L27/06 ,  H04L27/00

CPC classification number: H04L5/0001 ,  H04L27/3488

Abstract: A transmitter communicating data using Orthogonal Frequency Division Multiplexed (OFDM) symbols including plural sub-carrier symbols in the frequency domain for modulating with data to be carried. The transmitter includes a modulator to receive data symbols from a first data pipe according to a first communications channel, to receive data symbols from a local service insertion data pipe according to a local communications channel, and to modulate the sub-carrier signals of the OFDM symbols with either the data symbols from the first data pipe or from both the first data pipe and the local service insertion pipe; modulation from the first data pipe maps the data symbols is according to a first modulation scheme, and modulation from the first data pipe and the local service insertion pipe maps the data symbols is according to a second modulation scheme.

Abstract translation: 使用包括频域中的多个子载波符号的正交频分复用（OFDM）符号来传送数据的发射机，用于利用要携带的数据进行调制。 发射机包括调制器，用于根据第一通信信道从第一数据管道接收数据符号，以根据本地通信信道从本地业务插入数据管道接收数据符号，并且调制OFDM的子载波信号 具有来自第一数据管道的数据符号或来自第一数据管道和本地服务插入管道的符号; 来自第一数据管线的调制根据第一调制方案映射数据符号，并且根据第二调制方案，来自第一数据管道和本地服务插入管道的调制映射数据符号。

公开(公告)号：US20120287771A1

公开(公告)日：2012-11-15

申请号：US13522152

申请日：2010-12-21

Applicant: Nabil Loghin ,  Lothar Stadelmeier ,  Joerg Robert

Inventor： Nabil Loghin ,  Lothar Stadelmeier ,  Joerg Robert

IPC: H04J11/00

CPC classification number: H04L27/2634 ,  H04L27/2628 ,  H04L27/265 ,  H04L27/367 ,  H04L27/3872

Abstract: OFDM generation apparatus and methods generating OFDM transmission signals from OFDM symbols, each including a plural OFDM subcarriers, for transmission in a multi-carrier data transmission system. In OFDM systems using the concept of Absolute OFDM and/or using Segmented OFDM common phase rotations of the OFDM subcarriers of the OFDM symbol with respect to adjacent OFDM symbols of the OFDM transmission signal generally appear. To avoid or compensate those common phase rotations, in the apparatus and method a selected mixing frequency is used for mixing the complex time-domain samples of the OFDM symbol from a baseband frequency up to a passband frequency by use of a mixing frequency to obtain the OFDM transmission signal, wherein the mixing frequency is selected such that common phase rotations of the OFDM subcarriers of the OFDM symbol with respect to adjacent OFDM symbols of the OFDM transmission signal are avoided or compensated after the mixing.

Abstract translation: OFDM生成装置和从OFDM符号生成OFDM传输信号的方法，每个OFDM符号包括多个OFDM子载波，用于在多载波数据传输系统中传输。 在OFDM系统中，使用绝对OFDM的概念和/或使用分割的OFDM，相对于OFDM传输信号的相邻OFDM符号，OFDM符号的OFDM子载波的公共相位旋转通常出现。 为了避免或补偿这些共同的相位旋转，在装置和方法中，使用所选择的混频来将OFDM符号的复杂时域采样从基带频率直到通带频率通过使用混频来获得 OFDM传输信号，其中混合频率被选择为使得OFDM符号的OFDM子载波相对于OFDM传输信号的相邻OFDM符号的公共相位旋转在混合之后被避免或补偿。

公开(公告)号：US20120272117A1

公开(公告)日：2012-10-25

申请号：US13509131

申请日：2010-10-18

Applicant: Lothar Stadelmeier ,  Nabil Loghin ,  Joerg Robert

Inventor： Lothar Stadelmeier ,  Nabil Loghin ,  Joerg Robert

IPC: H03M13/05 ,  G06F11/10

CPC classification number: H04L1/0041 ,  H03M13/2906 ,  H03M13/6552 ,  H04L1/0052 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0078 ,  H04L1/008 ,  H04L2001/0093

Abstract: A transmitter for broadcasting data in a broadcasting system that improves the decoding quality, if needed, comprises a data input, and an encoder for error correction code encoding the input data words into codewords, a codeword comprising a basic codeword portion and an auxiliary codeword portion, wherein said encoder is adapted for generating said basic codeword portion from an input data word according to a first code and for generating said auxiliary codeword portion from an input data word according to a second code, said basic codeword portion being provided for regular decoding and said auxiliary codeword portion being provided as incremental redundancy if regular decoding of the codeword by use of the basic codeword portion is erroneous. Further, the transmitter comprises a data mapper for mapping the codewords onto frames of a transmitter output data stream, and a transmitter unit for transmitting said transmitter output data stream.

Abstract translation: 一种用于在广播系统中广播数据的发射机，如果需要，可提高解码质量，包括数据输入，以及用于将输入数据字编码为码字的纠错码编码器，包括基本码字部分和辅助码字部分的码字 ，其中所述编码器适于根据第一代码从输入数据字生成所述基本码字部分，并且用于根据第二代码从输入数据字生成所述辅助码字部分，所述基本码字部分被提供用于常规解码， 如果通过使用基本码字部分对码字的规则解码是错误的，则所述辅助码字部分被提供为增量冗余。 此外，发射机包括用于将码字映射到发射机输出数据流的帧上的数据映射器，以及用于发射所述发射机输出数据流的发射机单元。

公开(公告)号：US20120254684A1

公开(公告)日：2012-10-04

申请号：US13516134

申请日：2010-11-30

Applicant: Nabil Loghin ,  Lothar Stadelmeier ,  Joerg Robert

Inventor： Nabil Loghin ,  Lothar Stadelmeier ,  Joerg Robert

IPC: H03M13/05 ,  G06F11/10

CPC classification number: H03M13/253 ,  H03M13/1102 ,  H03M13/152 ,  H03M13/255 ,  H03M13/6306 ,  H03M13/6393 ,  H03M13/6552 ,  H04L1/02 ,  H04L1/1819 ,  H04L1/1893 ,  H04L2001/0093

Abstract: A receiver includes: a broadcast receiver receiving a receiver input data stream segmented into frames, wherein basic codeword portions of codewords are mapped onto the frames, a codeword including at least a basic codeword portion generated from an input data word according to a first code; a data demapper demapping the basic codeword portions; a decoder error correction code decoding the codewords into output data words of at least one output data stream in a regular decoding using the basic codeword portion in a codeword; a check unit checking if the regular decoding of a codeword is erroneous; a unicast request unit requesting, if the regular decoding of a codeword is erroneous, an auxiliary codeword portion of the erroneously decoded codeword for incremental redundancy in an additional decoding; a unicast receiver unit receiving an auxiliary codeword portion of the erroneously decoded codeword.

Abstract translation: 接收机包括：广播接收机，接收分割成帧的接收机输入数据流，其中码字的基本码字部分被映射到帧上，至少包括根据第一码从输入数据字生成的基本码字部分的码字; 数据解映射器对所述基本码字部分进行解映射; 解码器错误校正码，使用码字中的基本码字部分，将代码字解码为常规解码中的至少一个输出数据流的输出数据字; 检查单元检查码字的常规解码是否是错误的; 单播请求单元，如果码字的规则解码是错误的，则在附加解码中请求用于增量冗余的错误解码的码字的辅助码字部分; 单播接收器单元接收错误解码的码字的辅助码字部分。

公开(公告)号：US08274878B2

公开(公告)日：2012-09-25

申请号：US12437161

申请日：2009-05-07

Applicant: Lothar Stadelmeier ,  Dietmar Schill ,  Samuel Asangbeng Atungsiri ,  Antonio Alarcon Gonzalez

Inventor： Lothar Stadelmeier ,  Dietmar Schill ,  Samuel Asangbeng Atungsiri ,  Antonio Alarcon Gonzalez

IPC: H04J11/00

CPC classification number: 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

Abstract: 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 to transmit said transmission signal.

Abstract translation: 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，变换器，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，以便产生时域传输信号;以及发射机，被配置为发送所述传输信号。

公开(公告)号：US08270507B2

公开(公告)日：2012-09-18

申请号：US12272291

申请日：2008-11-17

Applicant: Daniel Schneider ,  Lothar Stadelmeier

Inventor： Daniel Schneider ,  Lothar Stadelmeier

IPC: H04K1/10

CPC classification number: H04L27/0008 ,  H04L1/0003 ,  H04L5/0044 ,  H04L5/006

Abstract: The present invention relates to the fields of adaptive multi-carrier data transmission schemes. The present invention especially relates to a method of adapting transmission parameters of a group of subcarriers, a software program product and a communication device. The method of adapting transmission parameters of a group of subcarriers comprises steps of: determining a channel quality value for each subcarrier; establishing an order of assignment groups, each assignment group comprising one or more subcarriers, based on the channel quality values; assigning, in the order of the assignment groups, a transmission parameter to every assignment group, whereby assigning a transmission parameter to an assignment group comprises assigning the transmission parameter to all subcarriers of the assignment group; and calculating a link performance value based on previously assigned one or more transmission parameters; whereby the step of assigning a transmission parameter to every assignment group is based on the calculated link performance value.

Abstract translation: 本发明涉及自适应多载波数据传输方案的领域。 本发明特别涉及一种适应一组子载波的传输参数，软件程序产品和通信设备的方法。 适应一组子载波的传输参数的方法包括以下步骤：确定每个子载波的信道质量值; 基于信道质量值，建立分配组的顺序，每个分配组包括一个或多个子载波; 按照所述分配组的顺序，将传输参数分配给每个分配组，由此将传输参数分配给分配组包括：将所述传输参数分配给所述分配组的所有子载波; 以及基于先前分配的一个或多个传输参数来计算链路性能值; 由此向每个分配组分配传输参数的步骤基于所计算的链路性能值。