公开(公告)号：US20160197663A1

公开(公告)日：2016-07-07

申请号：US14990587

申请日：2016-01-07

Applicant: Sony Corporation

Inventor： Lothar STADELMEIER ,  Nabil LOGHIN ,  Joerg ROBERT ,  Samuel Asangbeng ATUNGSIRI

IPC: H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0689 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L5/0023 ,  H04L5/0042 ,  H04L5/0048 ,  H04L5/005

Abstract: A transmission apparatus and method, respectively, mapping payload data of mapping input data streams onto a mapping output data stream having a channel bandwidth for transmission in a multi-carrier broadcast system. To enable selection of robustness for transmission of data, the apparatus includes a frame forming mechanism mapping data blocks of at least two mapping input data streams onto frames of the mapping output data stream covering the channel bandwidth, each frame including a payload portion, the payload portion including plural data symbols and being segmented into data segments each covering a bandwidth portion of the channel bandwidth. The frame forming mechanism is configured to map the data blocks of the at least two mapping input data streams onto data symbols of the payload portion and includes a MIMO mode selector selecting a MIMO mode of the data blocks per data segment and/or per mapping input data stream.

Abstract translation: 一种传输装置和方法，分别将输入数据流映射的有效载荷数据映射到具有用于在多载波广播系统中传输的信道带宽的映射输出数据流。 为了能够选择用于传输数据的鲁棒性，该装置包括一个帧形成机构，其将至少两个映射输入数据流的数据块映射到覆盖信道带宽的映射输出数据流的帧上，每个帧包括有效载荷部分，有效载荷 部分包括多个数据符号并被分割成数据段，每个数据段覆盖信道带宽的带宽部分。 帧形成机构被配置为将至少两个映射输入数据流的数据块映射到有效负载部分的数据符号上，并且包括MIMO模式选择器，每个数据段和/或每个映射输入选择数据块的MIMO模式 数据流。

公开(公告)号：US20170244465A1

公开(公告)日：2017-08-24

申请号：US15391419

申请日：2016-12-27

Applicant: Sony Corporation

Inventor： Lothar STADELMEIER ,  Nabil LOGHIN ,  Joerg ROBERT ,  Samuel Asangbeng ATUNGSIRI

IPC: H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0689 ,  H04L1/0041 ,  H04L1/0048 ,  H04L1/0057 ,  H04L5/0023 ,  H04L5/0042 ,  H04L5/0048 ,  H04L5/005

Abstract: A transmission apparatus and method, respectively, mapping payload data of mapping input data streams onto a mapping output data stream having a channel bandwidth for transmission in a multi-carrier broadcast system. To enable selection of robustness for transmission of data, the apparatus includes a frame forming mechanism mapping data blocks of at least two mapping input data streams onto frames of the mapping output data stream covering the channel bandwidth, each frame including a payload portion, the payload portion including plural data symbols and being segmented into data segments each covering a bandwidth portion of the channel bandwidth. The frame forming mechanism is configured to map the data blocks of the at least two mapping input data streams onto data symbols of the payload portion and includes a MIMO mode selector selecting a MIMO mode of the data blocks per data segment and/or per mapping input data stream.

公开(公告)号：US20160006464A1

公开(公告)日：2016-01-07

申请号：US14766586

申请日：2014-02-11

Applicant: SONY CORPORATION

Inventor： Lothar STADELMEIER ,  Jan ZOELLNER ,  Joerg ROBERT ,  Philipp HASSE

IPC: H04B1/04 ,  H04L27/26

CPC classification number: H04B1/0475 ,  H04L25/03828 ,  H04L27/2626

Abstract: An OFDM encoding apparatus for encoding OFDM symbols into an OFDM signal includes: a pre-distortion unit that pre-distorts OFDM symbols into pre-distorted OFDM symbols, the OFDM symbols including payload data and each being carried on multiple OFDM subcarriers; an OFDM generator that generates an OFDM signal from the pre-distorted OFDM symbols by OFDM modulating the pre-distorted OFDM symbols; and a filter that filters the OFDM signal to obtain a filtered OFDM signal, the filter being configured to attenuate the spectrum of the OFDM signal in frequency bands outside the signal bandwidth of the OFDM signal by applying a filter transfer function to the OFDM signal. The pre-distortion unit is configured to apply a pre-distortion transfer function equal to the inverse of the filter transfer function to the OFDM symbols.

Abstract translation: 用于将OFDM符号编码为OFDM信号的OFDM编码装置包括：预失真单元，其将OFDM符号预失真为预失真的OFDM符号，所述OFDM符号包括有效载荷数据，并且每个OFDM符号在多个OFDM子载波上承载; OFDM发生器，其通过对所述预失真的OFDM符号进行OFDM调制从所述预失真的OFDM符号生成OFDM信号; 以及滤波器，对所述OFDM信号进行滤波以获得经滤波的OFDM信号，所述滤波器被配置为通过对所述OFDM信号应用滤波器传递函数来衰减所述OFDM信号的信号带宽外的频带中的OFDM信号的频谱。 预失真单元被配置为将等于滤波器传递函数的逆的预失真传递函数应用于OFDM符号。

公开(公告)号：US20190268093A1

公开(公告)日：2019-08-29

申请号：US16405452

申请日：2019-05-07

Applicant: SONY CORPORATION

Inventor： Junge QI ,  Joerg ROBERT ,  Jan ZOELLNER

IPC: H04L1/00 ,  H04H60/11 ,  H04L25/02 ,  H04L1/18 ,  H03M13/39 ,  H03M13/00

Abstract: A receiver for receiving data in a broadcast system includes a broadcast receiver that receives, via the broadcast system, a receiver input data stream including plural channel symbols represented by constellation points in a constellation diagram. A demodulator demodulates the channel symbols into codewords and a decoder decodes the codewords into output data words. A broadband receiver obtains redundancy data via a broadband system, the redundancy data for a channel symbol including one or more least robust bits of the channel symbol or a constellation subset identifier indicating a subset of constellation points including the constellation point representing the channel symbol. The demodulator and/or the decoder is configured to use the redundancy data to demodulate the respective channel symbol and to decode the respective codeword, respectively.

公开(公告)号：US20190007252A1

公开(公告)日：2019-01-03

申请号：US16126244

申请日：2018-09-10

Applicant: SONY CORPORATION

Inventor： JUNGE QI ,  Joerg ROBERT ,  Jan ZOELLNER ,  Lothar STADELMEIER ,  Nabil LOGHIN

IPC: H04L27/26 ,  H04L1/22 ,  H04L1/18 ,  H03M13/00 ,  H04L1/00 ,  H04H40/18

CPC classification number: H04L27/2649 ,  H03M13/6306 ,  H03M13/6552 ,  H04H40/18 ,  H04L1/0046 ,  H04L1/007 ,  H04L1/0086 ,  H04L1/1819 ,  H04L1/1893 ,  H04L1/22 ,  H04L27/265

Abstract: A receiver for receiving data in a broadcast system comprises a broadcast receiver that receives via said broadcast system a receiver input data stream comprising a plurality of channel symbols represented by constellation points in a constellation diagram, a demodulator that demodulates said channel symbols into codewords, and a decoder that decodes said codewords into output data words. A redundancy calculator determines a required amount of redundancy data required for correct demodulation and decoding by use of the originally received channel symbol and additional redundancy data. A broadband request unit requests, if demodulation of a channel symbol and/or decoding of a codeword is erroneous or likely to fail, a required amount of redundancy data via a broadband system, that is received by a broadband receiver via said broadband system. Said demodulator and/or said decoder is configured to use said redundancy data for demodulation and decoding, respectively.

公开(公告)号：US20160254880A1

公开(公告)日：2016-09-01

申请号：US15072919

申请日：2016-03-17

Applicant: Sony Corporation

Inventor： Nabil LOGHIN ,  Lothar STADELMEIER ,  Joerg ROBERT

IPC: H04L1/00 ,  H04L29/08 ,  H04L12/24

CPC classification number: H04L1/0083 ,  H04L1/0006 ,  H04L41/0226 ,  H04L69/323 ,  H04L2012/5673

Abstract: The present invention relates to an apparatus and a corresponding method for mapping error correction code encoded time-domain data of at least two mapping input data streams (S1, S2, . . . , Sn) onto a time-domain mapping output data stream (Q) having a frame structure, comprising a data input (102) for receiving said at least two mapping input data streams (S1, S2, . . . , Sn) each being segmented into data blocks (D1, D2, . . . , DN) carrying error correction code encoded data, a data mapper (104) for mapping the data blocks (D1, D2, . . . , DN) of said at least two mapping input data streams (S1, S2, . . . , Sn) onto frames of said mapping output data stream (Q), each frame comprising a number of frame intervals (F1, F2, . . . , FM), wherein the data mapper (104) is adapted for mapping the data blocks (D1, D2, . . . , DN) onto said frame intervals such that each frame interval (F1, F2, . . . , FM) carries sequentially arranged data blocks (D1, D2, . . . , DN) from various mapping input data streams (S1, S2, . . . , Sn) and that within a frame the mapping of data blocks (D1, D2, . . . , DN) from the various mapping input data streams (S1, S2, . . . , Sn) onto frame intervals (F1, F2, . . . , FM) is different from frame interval to frame interval, and a data output (110) for outputting said mapping output data stream (Q).

Abstract translation: 本发明涉及一种用于将至少两个映射输入数据流（S1，S2，...，Sn）的纠错码编码的时域数据映射到时域映射输出数据流（ Q）具有帧结构，包括用于接收所述至少两个映射输入数据流（S1，S2，...，Sn）的数据输入（102），每个被分割成数据块（D1，D2，...， DN），用于映射所述至少两个映射输入数据流（S1，S2，...，Sn）的数据块（D1，D2，...，DN）的数据映射器（104） ）到所述映射输出数据流（Q）的帧上，每个帧包括多个帧间隔（F1，F2，...，FM），其中数据映射器（104）适于映射数据块（D1， D2，...，DN）到所述帧间隔，使得每个帧间隔（F1，F2，... FM）从各种映射i携带顺序排列的数据块（D1，D2，...，DN） 输入数据流（S1，S2，...） 。 。 ，Sn），并且在帧内将数据块（D1，D2，...，DN）从各种映射输入数据流（S1，S2，...，Sn）映射到帧间隔（F1，F2， ...，FM）与帧间隔间隔不同，以及用于输出所述映射输出数据流（Q）的数据输出（110）。

公开(公告)号：US20150003558A1

公开(公告)日：2015-01-01

申请号：US14487924

申请日：2014-09-16

Applicant: SONY CORPORATION

Inventor： Nabil MUHAMMAD ,  Lothar STADELMEIER ,  Joerg ROBERT

IPC: H04L27/26

CPC classification number: H04L27/2628 ,  H04B1/04 ,  H04L5/001 ,  H04L27/2634 ,  H04L27/265 ,  H04L27/367 ,  H04L27/3872

Abstract: The present invention relates to OFDM generation apparatus and methods for generating OFDM transmission signals from OFDM symbols, each comprising a plurality of OFDM subcarriers, for transmission in a multi-carrier data transmission system. An embodiment of the proposed apparatus and method are adapted for using a selected mixing frequency for mixing said complex time-domain samples of said OFDM symbol from a baseband frequency up to a passband frequency by use of a mixing frequency to obtain said OFDM transmission signal, wherein the mixing frequency is selected such that common phase rotations of the OFDM subcarriers of said OFDM symbol with respect to adjacent OFDM symbols of said OFDM transmission signal are avoided or compensated after said mixing. Further embodiments for avoidance or compensation of such common phase rotations are provided.

Abstract translation: 本发明涉及用于从OFDM符号生成OFDM传输信号的OFDM生成装置和方法，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。 所提出的装置和方法的实施例适于使用所选择的混合频率，通过使用混合频率将所述OFDM符号的所述复合时域样本从基带频率直到通带频率混合以获得所述OFDM传输信号， 其中所述混合频率被选择为使得所述OFDM符号的OFDM子载波相对于所述OFDM传输信号的相邻OFDM符号的公共相位旋转在所述混合之后被避免或补偿。 提供了用于避免或补偿这种共同相位旋转的其它实施例。

公开(公告)号：US20170331598A1

公开(公告)日：2017-11-16

申请号：US15610095

申请日：2017-05-31

Applicant: Sony Corporation

Inventor： Junge QI ,  Joerg ROBERT ,  Jan ZOELLNER ,  Lothar STADELMEIER ,  Nabil LOGHIN

IPC: H04L1/22 ,  H04L1/18 ,  H04L1/00 ,  H04H40/18 ,  H04L27/26

CPC classification number: H04L27/2649 ,  H03M13/6306 ,  H03M13/6552 ,  H04H40/18 ,  H04L1/0046 ,  H04L1/007 ,  H04L1/0086 ,  H04L1/1819 ,  H04L1/1893 ,  H04L1/22 ,  H04L27/265

Abstract: A receiver for receiving data in a broadcast system comprises a broadcast receiver that receives via said broadcast system a receiver input data stream comprising a plurality of channel symbols represented by constellation points in a constellation diagram, a demodulator that demodulates said channel symbols into codewords, and a decoder that decodes said codewords into output data words. A redundancy calculator determines a required amount of redundancy data required for correct demodulation and decoding by use of the originally received channel symbol and additional redundancy data. A broadband request unit requests, if demodulation of a channel symbol and/or decoding of a codeword is erroneous or likely to fail, a required amount of redundancy data via a broadband system, that is received by a broadband receiver via said broadband system. Said demodulator and/or said decoder is configured to use said redundancy data for demodulation and decoding, respectively.

公开(公告)号：US20170324510A1

公开(公告)日：2017-11-09

申请号：US15659176

申请日：2017-07-25

Applicant: SONY CORPORATION

Inventor： Junge QI ,  Joerg ROBERT ,  Jan ZOELLNER ,  Lothar STADELMEIER ,  Nabil LOGHIN

IPC: H04L1/00 ,  H04L1/18 ,  H03M13/00 ,  H04L12/18

CPC classification number: H04L1/0033 ,  H03M13/6306 ,  H03M13/6519 ,  H03M13/6522 ,  H03M13/6541 ,  H03M13/6552 ,  H04L1/0042 ,  H04L1/0047 ,  H04L1/007 ,  H04L1/0086 ,  H04L1/1819 ,  H04L1/1893 ,  H04L12/189

Abstract: A control device for use in a broadcast system includes a broadcast controller that controls a broadcast transmitter of the broadcast system that broadcasts signals in a coverage area for reception by terminals including a broadcast receiver and a broadband receiver, and a broadband controller that controls a broadband server of a broadband system that provides redundancy data to terminals within the coverage area. The broadband controller is configured to control the provision of redundancy data by the broadband server for use by one or more terminals which use the redundancy data together with broadcast signals received via said broadcast system for recovering content received within the broadcast signals and/or provided via the broadband system.

公开(公告)号：US20160365946A1

公开(公告)日：2016-12-15

申请号：US15250489

申请日：2016-08-29

Applicant: Sony Corporation

Inventor： Nabil LOGHIN ,  Lothar STADELMEIER ,  Joerg ROBERT

IPC: H04L1/00

CPC classification number: H04L1/0041 ,  H03M13/2906 ,  H03M13/6552 ,  H04L1/0045 ,  H04L1/0052 ,  H04L1/0053 ,  H04L1/0057 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0078 ,  H04L1/008 ,  H04L1/0083 ,  H04L1/18 ,  H04L2001/0093

Abstract: A transmitter and transmission method for broadcasting data. To enable a receiver, such as a moving receiver, to improve decoding quality, if needed, a transmitter includes: a data input receiving at least one transmitter input data stream segmented into input data words; an encoder error correction code encoding the input data words into codewords including a basic codeword portion and an auxiliary codeword portion, the encoder generating the basic codeword portion from an input data word according to a first code and generating the auxiliary codeword portion from an input data word according to a second code, the basic codeword portion for regular decoding and the auxiliary codeword portion for incremental redundancy if regular decoding of the codeword by using the basic codeword portion is erroneous; a data mapper mapping the codewords onto frames of a transmitter output data stream; and a transmitter transmitting the transmitter output data stream.

Abstract translation: 一种用于广播数据的发送和发送方法。 为了使诸如移动接收机之类的接收机能够提高解码质量，如果需要，发射机包括：数据输入，接收分段成输入数据字的至少一个发射机输入数据流; 将输入数据字编码为包括基本码字部分和辅助码字部分的码字的编码器纠错码，所述编码器根据第一代码从输入数据字生成基本码字部分，并从输入数据生成辅助码字部分 根据第二代码的字，用于常规解码的基本码字部分和用于增量冗余的辅助码字部分，如果通过使用基本码字部分对码字进行规则解码是错误的; 数据映射器将码字映射到发射机输出数据流的帧上; 以及发射机发射机输出数据流的发射机。