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    • 1. 发明申请
    • BROADCAST SYSTEM WITH INCREMENTAL REDUNDANCY TRANSMITTED OVER A UNICAST SYSTEM
    • 广播系统,具有通过UNICAST系统传输的冗余冗余
    • WO2011080020A1
    • 2011-07-07
    • PCT/EP2010/068519
    • 2010-11-30
    • SONY CORPORATIONMUHAMMAD, NabilSTADELMEIER, LotharROBERT, Jörg
    • MUHAMMAD, NabilSTADELMEIER, LotharROBERT, Jörg
    • H03M13/25H04L1/18
    • H03M13/253H03M13/1102H03M13/152H03M13/255H03M13/6306H03M13/6393H03M13/6552H04L1/02H04L1/1819H04L1/1893H04L2001/0093
    • The present invention relates to a receiver (50) for receiving data in a broadcast system, comprising: - a broadcast receiver unit (52) for receiving from said broadcast system a receiver input data stream (O') segmented into frames, wherein basic codeword portions (B) of codewords (Z1) are mapped onto said frames, a codeword comprising said at least a basic codeword portion (B) generated from an input data word (D) according to a first code, - a data demapper (54) for demapping the basic codeword portions (B) from said frames of the receiver input data stream (O'), - a decoder (56) for error correction code decoding said codewords into output data words (D') of at least one output data stream (I1', I2',..., In') in a regular decoding step by use of the basic codeword portion (B') comprised in a codeword, - a check unit (58) for checking if the regular decoding of a codeword is erroneous, - a unicast request unit (64) for requesting, if said regular decoding of a codeword is erroneous, through a unicast system an auxiliary codeword portion (A) of the erroneously decoded codeword for use as incremental redundancy in an additional decoding step, - a unicast receiver unit (68) for receiving from said unicast system an auxiliary codeword portion (A') of the erroneously decoded codeword, wherein said decoder (56) is adapted to decode the respective codeword again in an additional decoding step by additionally using the received auxiliary codeword portion (A'), and - a data output (60) for outputting said at least one receiver output data stream (I1', I2',..., In') segmented into said decoded output data words (D').
    • 本发明涉及一种用于在广播系统中接收数据的接收机(50),包括:广播接收机单元(52),用于从所述广播系统接收分割成帧的接收机输入数据流(O'),其中基本码字 码字(Z1)的部分(B)被映射到所述帧上,包括根据第一代码从输入数据字(D)生成的至少基本码字部分(B)的码字, - 数据解映射器(54) 用于将所述基本码字部分(B)从所述接收器输入数据流(O')的所述帧解映射, - 解码器(56),用于将所述码字解码的解码器解码成至少一个输出数据的输出数据字(D') 通过使用包括在码字中的基本码字部分(B'),在常规解码步骤中的流(I1',I2',...,In'), - 检查单元(58) 码字是错误的, - 单播请求单元(64),用于请求,如果码字的所述常规解码是错误的, 通过单播系统,所述错误解码的码字的辅助码字部分(A)用作附加解码步骤中的增量冗余; - 单播接收机单元(68),用于从所述单播系统接收辅助码字部分(A')的辅助码字部分 其中所述解码器(56)适于通过附加地使用所接收的辅助码字部分(A')在附加解码步骤中再次解码相应的码字,以及 - 数据输出(60),用于输出所述至少 分割成所述解码输出数据字(D')的一个接收器输出数据流(I1',I2',...,In')。
    • 2. 发明申请
    • DVB-C2 GENERATION AND RECEPTION
    • DVB-C2生成和接收
    • WO2011088948A1
    • 2011-07-28
    • PCT/EP2010/070428
    • 2010-12-21
    • Sony CorporationMUHAMMAD, NabilSTADELMEIER, LotharROBERT, Jörg
    • MUHAMMAD, NabilSTADELMEIER, LotharROBERT, Jörg
    • H04L27/26H04L27/36
    • H04L27/2634H04L27/2628H04L27/265H04L27/367H04L27/3872
    • The present invention relates to DVB - C2 generation apparatus and methods for generating transmission signals (s (t) ) from DVB - C2 symbols, each comprising a plurality of subcarriers, for transmission in a multi - carrier data transmission system. In DVB - C2 systems using the concept of Absolute DVB - C2 common phase rotations of the subcarriers of said symbol with respect to adjacent symbols of said DVB - C2 transmission signal generally appear when mixing to higher frequencies a basebanc signal. To avoid those common phase rotations, according to a embodiment of the proposed apparatus and method a selected mixing frequency is used for mixing said complex time-domain samples of said symbols from a baseband frequency up to a passband frequency by use of a mixing frequency (fc) to obtain said DVB - C2 transmission signal (s (t) ), wherein the mixing frequency (fc) is selected such that common phase rotations of the subcarriers of said symbols with respect to adjacent symbols of said transmission signal ( (s (t) ) ) are avoided or compensation after said mixing. Further embodiment for compensation of such common phase rotations are provided, in which means are adapted to rotate the baseband symbols such that the passband frequency signal is complying with the DVB - C2 standard. The present invention relates to OFDM generation apparatus and methods for generating OFDM transmission signals (s(t)) from OFDM symbols, each comprising a plurality of 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 said OFDM symbol with respect to adjacent OFDM symbols of said OFDM transmission signal generally appear. To avoid or compensate those common phase rotations, according to a embodiment of the proposed apparatus and method a selected mixing frequency is used 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 (f c ) to obtain said OFDM transmission signal (s(t)), wherein the mixing frequency (f c ) 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 ((s (t))) are avoided or compensated after said mixing. Further embodiments for avoidance or compensation of such common phase rotations are provided.
    • 本发明涉及用于从多载波数据传输系统中传输的DVB-C2符号(包括多个副载波)产生传输信号(s(t))的方法。 在使用绝对DVB-C2的概念的DVB-C2系统中,相对于所述DVB-C2传输信号的相邻符号,所述符号的子载波的公共相位旋转通常在混合到较高频率时出现在基站信号上。 为了避免这些共同的相位旋转,根据所提出的装置和方法的一个实施例,所选择的混合频率用于将所述符号的复合时域样本从基带频率直到通过频带频率混合使用, fc)以获得所述DVB-C2传输信号(s(t)),其中所述混合频率(fc)被选择为使得所述符号的子载波相对于所述传输信号的相邻符号的公共相位旋转((s t)))在所述混合之后被避免或补偿。 提供了用于补偿这种公共相位旋转的另外的实施例,其中装置适于旋转基带符号,使得通带频率信号符合DVB-C2标准。 本发明涉及用于在多载波数据传输系统中进行传输的OFDM码元生成OFDM传输信号(s(t))的方法,每个OFDM符号包括多个OFDM子载波。 在使用绝对OFDM和/或使用分段OFDM的概念的OFDM系统中,通常出现相对于所述OFDM传输信号的相邻OFDM符号的所述OFDM符号的OFDM子载波的公共相位旋转。 为了避免或补偿这些共同的相位旋转,根据所提出的装置和方法的一个实施例,所选择的混合频率用于将所述OFDM符号的所述复杂时域样本从基带频率直到通带频率混合使用, 混合频率(fc)以获得所述OFDM传输信号(s(t)),其中选择混频度(fc)使得所述OFDM符号的OFDM子载波相对于所述OFDM传输的相邻OFDM符号的公共相位旋转 在所述混合之后避免或补偿信号((s(t)))。 提供了用于避免或补偿这种共同相位旋转的其它实施例。
    • 3. 发明申请
    • FRAME MAPPING APPARATUS AND METHOD
    • 框架映射设备和方法
    • WO2011048020A1
    • 2011-04-28
    • PCT/EP2010/065507
    • 2010-10-15
    • SONY CORPORATIONMUHAMMAD, NabilSTADELMEIER, LotharROBERT, Joerg
    • MUHAMMAD, NabilSTADELMEIER, LotharROBERT, Joerg
    • H04L1/00
    • H04L1/0083H04L1/0006H04L41/0226H04L69/323H04L2012/5673
    • 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 (Dl, D2,..., DN) from various mapping input data streams (Sl, S2,..., Sn) and that within a frame the mapping of data blocks (Dl, 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).
    • 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,包括用于接收每个被分割成数据块(D1,D2,...)的所述至少两个映射输入数据流(S1,S2,...,Sn)的数据输入(102) 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)从各种映射输入数据流携带顺序排列的数据块(D1,D2,...,DN) (S1,S2,...,Sn)a 在帧内,数据块(D1,D2,...,DN)从各种映射输入数据流(S1,S2,...,Sn)到帧间隔(F1,F2,...)的映射 ,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)。
    • 4. 发明申请
    • ENCODER AND ENCODING METHOD PROVIDING INCREMENTAL REDUNDANCY
    • 编码和编码方法提供增值冗余
    • WO2011104182A2
    • 2011-09-01
    • PCT/EP2011/052417
    • 2011-02-18
    • SONY CORPORATIONSONY DEUTSCHLAND GMBHMUHAMMAD, NabilSTADELMEIER, LotharROBERT, JoergATUNGSIRI, Samuel AsangbengYAMAMOTO, MakikoSHINOHARA, YujiSAKAI, LuiYOKOKAWA, Takashi
    • MUHAMMAD, NabilSTADELMEIER, LotharROBERT, JoergATUNGSIRI, Samuel AsangbengYAMAMOTO, MakikoSHINOHARA, YujiSAKAI, LuiYOKOKAWA, Takashi
    • H03M13/11H03M13/1165H03M13/3761H03M13/6519H04L1/0036H04L1/0045H04L1/0057H04L1/0059H04L1/0068H04L1/0083H04L2001/0098
    • The present invention relates to an encoder for error correction code encoding input data words (D) into codewords (Z1, Z2), comprising: an encoder input (1451) for receiving input data words (D) each comprising a first number K ldpc of information symbols, an encoding means (1452) for encoding an input data word (D) into a codeword (Z1, Z2, Z3, Z4) such that a codeword comprises a basic codeword portion (B) including a data portion (D) and a basic parity portion (Pb) of a second number N ldpc - K ldpc of basic parity symbols, and an auxiliary codeword portion (A) including an auxiliary parity portion (Pa) of a third number M IR of auxiliary parity symbols, wherein said encoding means (14) is adapted i) for generating said basic codeword portion (B) from an input data word (D) according to a first code, wherein a basic parity symbol is generated by accumulating an information symbol at a parity symbol address determined according to a first address generation rule, and ii) for generating said auxiliary codeword portion (A) from an input data word (D) according to a second code, wherein an auxiliary parity symbol is generated by accumulating an information symbol m at a parity symbol address γ , wherein said parity symbol addresses γ are determined according to a second address generation rule N ldpc - K ldpc + {x + m mod G a x Q IR } mod M IR if x > N ldpc - K ldpc ' wherein x denotes the addresses of a parity symbol accumulator corresponding to the first information symbol of a group of size G a and Q IR is an auxiliary code rate dependent, predefined constant, and an encoder output (1454) for outputting said codewords (Z1, Z2).
    • 本发明涉及用于将输入数据字(D)编码成码字(Z1,Z2)的纠错码的编码器,包括:编码器输入(1451),用于接收输入数据字(D),每个包括第一数字K ldpc 信息符号,用于将输入数据字(D)编码成码字(Z1,Z2,Z3,Z4)的编码装置(1452),使得码字包括包括数据部分(D)的基本码字部分(B)和 基本奇偶校验符号的第二数量N lpc-K ldpc的基本奇偶校验部分(Pb)和包括辅助奇偶校验符号的第三号码M IR的辅助奇偶校验部分(Pa)的辅助码字部分(A),其中所述 编码装置(14)适于:i)根据第一代码从输入数据字(D)产生所述基本码字部分(B),其中通过在确定的奇偶校验符号地址处累积信息符号来产生基本奇偶校验符号 根据第一个地址生成规则,和ii)代表 根据第二代码从输入数据字(D)中删除所述辅助码字部分(A),其中通过在奇偶校验符号地址α处累积信息符号m来产生辅助奇偶校验符号,其中所述奇偶校验符号地址 根据第二地址生成规则N ldpc -K ldpc + {x + m mod G ax Q IR} mod M IR确定,如果x> N ldpc -K ldpc'其中x表示对应于奇偶校验符号累加器的地址 大小为Ga和Q IR的组的第一信息符号是辅助码率依赖的预定常数,以及用于输出所述码字(Z1,Z2)的编码器输出(1454)。
    • 6. 发明申请
    • ENCODER AND ENCODING METHOD PROVIDING INCREMENTAL REDUNDANCY
    • 编码和编码方法提供增值冗余
    • WO2011104144A1
    • 2011-09-01
    • PCT/EP2011/052231
    • 2011-02-15
    • SONY CORPORATIONSONY DEUTSCHLAND GmbHMUHAMMAD, NabilSTADELMEIER, LotharROBERT, JoergKECHAOU, Malek
    • MUHAMMAD, NabilSTADELMEIER, LotharROBERT, JoergKECHAOU, Malek
    • H03M13/11
    • H03M13/1102H03M13/152H03M13/253H03M13/255H03M13/6306H03M13/6393H03M13/6552H04L1/0036H04L1/0045H04L1/0057H04L1/0059H04L1/0068H04L1/0083H04L2001/0093H04L2001/0098
    • The present invention relates to an encoder for error correction code encoding input data words (D) into codewords (Z1, Z2), comprising: an encoder input (1451) for receiving input data words (D) each comprising a first number K ldpc of information symbols, an encoding means (1452) for encoding an input data word (D) into a codeword (Z1, Z2, Z3, Z4) such that a codeword comprises a basic codeword portion (B) including a data portion (D) and a basic parity portion (Pb) of a second number N ldpc - K ldpc of basic parity symbols, and an auxiliary codeword portion (A) including an auxiliary parity portion (Pa) of a third number M IR of auxiliary parity symbols, wherein said encoding means (14) is adapted i) for generating said basic codeword portion (B) from an input data word (D) according to a first code, wherein a basic parity symbol is generated by accumulating an information symbol at a parity symbol address determined according to a first address generation rule, and ii) for generating said auxiliary codeword portion (A) from an input data word (D) according to a second code, wherein an auxiliary parity symbol is generated by accumulating an information symbol m at a parity symbol address γ, wherein said parity symbol addresses γ are determined according to a second address generation rule N ldpc - K ldpc + {x + m mod G a x Q IR } mod M IR if x > N ldpc - K ldpc , wherein x denotes the addresses of a parity symbol accumulator corresponding to the first information symbol of a group of size G a and Q IR is an auxiliary code rate dependent, predefined constant, and an encoder output (1454) for outputting said codewords (Z1, Z2).
    • 本发明涉及用于将输入数据字(D)编码成码字(Z1,Z2)的纠错码的编码器,包括:编码器输入(1451),用于接收输入数据字(D),每个包括第一数字K ldpc 信息符号,用于将输入数据字(D)编码成码字(Z1,Z2,Z3,Z4)的编码装置(1452),使得码字包括包括数据部分(D)的基本码字部分(B)和 基本奇偶校验符号的第二数量N lpc-K ldpc的基本奇偶校验部分(Pb)和包括辅助奇偶校验符号的第三号码M IR的辅助奇偶校验部分(Pa)的辅助码字部分(A),其中所述 编码装置(14)适于:i)根据第一代码从输入数据字(D)产生所述基本码字部分(B),其中通过在确定的奇偶校验符号地址处累积信息符号来产生基本奇偶校验符号 根据第一个地址生成规则,和ii)代表 根据第二代码从输入数据字(D)中删除所述辅助码字部分(A),其中通过在奇偶校验符号地址α处累积信息符号m来产生辅助奇偶校验符号,其中所述奇偶校验符号地址 根据第二地址生成规则N ldpc -K ldpc + {x + m mod Ga x Q IR} mod M IR确定,如果x> N ldpc -K ldpc,其中x表示对应于奇偶校验符号累加器的地址 大小为Ga和Q IR的组的第一信息符号是辅助码率依赖的预定常数,以及用于输出所述码字(Z1,Z2)的编码器输出(1454)。
    • 7. 发明申请
    • MAPPING APPARATUS AND METHOD FOR TRANSMISSION OF DATA IN A MULTI-CARRIER BROADCAST SYSTEM
    • 多媒体广播系统中数据传输的映射设备和方法
    • WO2011104142A1
    • 2011-09-01
    • PCT/EP2011/052222
    • 2011-02-15
    • SONY CORPORATIONSONY DEUTSCHLAND GMBHSTADELMEIER, LotharMUHAMMAD, NabilROBERT, JoergATUNGSIRI, Samuel Asangbeng
    • STADELMEIER, LotharMUHAMMAD, NabilROBERT, JoergATUNGSIRI, Samuel Asangbeng
    • H04B7/06
    • H04B7/0689H04L1/0041H04L1/0048H04L1/0057H04L5/0023H04L5/0042H04L5/0048H04L5/005
    • The present invention relates to an apparatus and a corresponding method for mapping payload data of mapping input data streams (S1, S2,..., Sp) onto a mapping output data stream (Q) having a channel bandwidth for transmission in a multi- carrier broadcast system. To enable the selection of the robustness for the transmission of data, said apparatus comprises a frame forming means (16, 64) for mapping the data blocks of said at least two mapping input data streams (S1, S2,..., Sp) onto frames (F) of said mapping output data stream (Q) covering said channel bandwidth, each frame (F) comprising a payload portion (50), said payload portion (50) comprising a plurality of data symbols (52)and being segmented into data segments (51) each covering a bandwidth portion of said channel bandwidth, wherein the frame forming means (64) is adapted for mapping the data blocks of said at least two mapping input data streams (S1, S2,..., Sp) onto the data symbols (52) of said pay- load portion (50) and comprises a MIMO mode selection means (1614, 1682) for selecting the MIMO mode of the data blocks per data segment (51) and/or per map- ping input data stream (S1, S2,..., Sp).
    • 本发明涉及一种用于将映射输入数据流(S1,S2,...,Sp)的有效载荷数据映射到具有用于在多路复用器中传输的信道带宽的映射输出数据流(Q)的装置和相应方法, 载波广播系统。 为了能够选择用于传输数据的鲁棒性,所述装置包括用于映射所述至少两个映射输入数据流(S1,S2,...,Sp)的数据块的帧形成装置(16,64) 覆盖所述信道带宽的所述映射输出数据流(Q)的帧(F),每个帧(F)包括有效载荷部分(50),所述有效载荷部分(50)包括多个数据符号(52)并被分段 分别覆盖所述信道带宽的带宽部分的数据段(51),其中所述帧形成装置(64)适于映射所述至少两个映射输入数据流(S1,S2,...,Sp )到所述付费部分(50)的数据符号(52)上,并且包括用于根据每个数据段(51)和/或每个映射表选择数据块的MIMO模式的MIMO模式选择装置(1614,1682) ping输入数据流(S1,S2,...,Sp)。
    • 8. 发明申请
    • DEMAPPING APPARATUS AND METHOD FOR RECEPTION OF DATA IN A MULTI-CARRIER BROADCAST SYSTEM
    • 用于在多载波广播系统中接收数据的解压缩装置和方法
    • WO2011104140A1
    • 2011-09-01
    • PCT/EP2011/052213
    • 2011-02-15
    • SONY CORPORATIONSONY DEUTSCHLAND GMBHSTADELMEIER, LotharMUHAMMAD, NabilROBERT, JoergATUNGSIRI, Samuel Asangbeng
    • STADELMEIER, LotharMUHAMMAD, NabilROBERT, JoergATUNGSIRI, Samuel Asangbeng
    • H04B7/06
    • H04L27/2626H04L1/0057H04L1/0071H04L1/0618H04L5/0007H04L5/0044H04L5/0048H04L27/2602H04L27/2655
    • The present invention relates to an apparatus and a corresponding method for demapping a demapping input data stream (Q') having a channel bandwidth re- ceived in a multi-carrier broadcast systeminto a demapping output data stream (Sy'). To enable an efficient demapping of a demapping input data stream (Q'), whose robustness and data rate have been individually been selected by the transmitter by selection of the MIMO mode and/or the pilot patter, said apparatus comprises a frame demapping means (152) for demapping said frames (F) comprising a payload portion(50) into said demapping output data stream (Sy'), wherein said frame demapping means (134) is adapted for the data blocks of said demapping output data stream (Sy') from the payload portion (50), wherein payload dataare mapped onto the payload portion(50)comprising a plurality of data symbols (52) carrying payload data of at least two mapping input data streams (S1, S2, …, Sp), said payload portion (50) being segmented into data segments(51) each covering a bandwidth portion of said channel bandwidth. Further, a MIMO mode detection means (123a, 123b, 143) for detecting the MIMO mode of the data blocks per data segment (51) and/or per mapping input data stream (S1, S2, …, Sp)and/or a pilot pattern detection means (123a, 123b, 143) for detecting the pilot pattern of the data blocks per data segment (51) and/or per mapping input data stream (S1, S2, …, Sp)is provided.
    • 本发明涉及一种用于将具有在多载波广播系统中接收的信道带宽的解映射输入数据流(Q')解映射到解映射输出数据流(Sy')的装置和相应方法。 为了能够对发射机通过选择MIMO模式和/或导频模式单独地选择其鲁棒性和数据速率的解映射输入数据流(Q')进行有效的解映射,所述装置包括帧解映射装置 152),用于将包括有效载荷部分(50)的所述帧(F)解映射到所述解映射输出数据流(Sy')中,其中所述帧解映射装置(134)适用于所述解映射输出数据流(Sy' ),其中有效负载数据被映射到所述有效载荷部分(50)上,所述有效载荷部分包括承载至少两个映射输入数据流(S1,S2,...,Sp)的有效载荷数据的多个数据符号(52) ),所述有效载荷部分(50)被分割成每个覆盖所述信道带宽的带宽部分的数据段(51)。 此外,用于检测每个数据段(51)和/或每个映射输入数据流(S1,S2,...,Sp)和/或每个数据段(51)的数据块的MIMO模式的MIMO模式检测装置(123a,123b, 或者用于检测每个数据段(51)和/或每个映射输入数据流(S1,S2,...,Sp)的数据块的导频模式的导频模式检测装置(123a,123b,143)。
    • 10. 发明申请
    • RECEIVER AND RECEIVING METHOD FOR RECEIVING DATA IN A BROADCASTING SYSTEM USING INCREMENTAL REDUNDANCY
    • 使用增量冗余方法在广播系统中接收数据的接收和接收方法
    • WO2011061030A1
    • 2011-05-26
    • PCT/EP2010/065640
    • 2010-10-18
    • SONY CORPORATIONSTADELMEIER, LotharMUHAMMAD, NabilROBERT, Joerg
    • STADELMEIER, LotharMUHAMMAD, NabilROBERT, Joerg
    • H03M13/11H04L1/00
    • H03M13/2948H03M13/1102H03M13/152H03M13/2906H03M13/6552H04L1/0009H04L1/1819
    • The present invention relates to a receiver (50) and a corresponding receiving method for receiving data in a broadcasting system as well as to a broadcasting system and method. To improve the decoding quality, if needed, a receiver (50) is proposed comprising: - a receiver unit (52) for receiving a receiver input data stream (O') segmented into frames, - a data demapper (54) for demapping codewords (Z1, Z2, Z3, Z4) mapped onto the frames of the receiver input data stream (O'), a codeword comprising a basic codeword portion (B) and an auxiliary codeword portion (A), wherein said basic codeword portion (B) is generated from an input data word (D) according to a first code and said auxiliary codeword portion (A) is generated from an input data word (D) according to a second code, - a decoder (56) for error correction code decoding said codewords into output data words (D') of at least one output data stream (I1', I2',..., In') in a regular decoding step by use of the basic codeword portion (B') comprised in a codeword and, if said regular decoding of a codeword is erroneous, in an additional decoding step by additionally using the auxiliary codeword portion (A') as incremental redundancy, - a check unit (58) for checking if the regular decoding of a codeword is erroneous, and - a data output (60) for outputting said at least one receiver output data stream (I1', I2',..., In') segmented into said decoded output data words (D').
    • 本发明涉及一种用于在广播系统中接收数据的接收机(50)和相应的接收方法以及广播系统和方法。 为了提高解码质量,如果需要,提出了一种接收器(50),其包括: - 接收单元(52),用于接收分割成帧的接收机输入数据流(O'), - 数据解映射器(54),用于解映射码 (Z 1,Z 2,Z 3,Z 4)映射到接收机输入数据流(O')的帧,包括基本码字部分(B)和辅助码字部分(A)的码字,其中所述基本码字部分 )根据第一代码从输入数据字(D)产生,并且根据第二代码从输入数据字(D)生成所述辅助码字部分(A), - 解码器(56),用于纠错码 在常规解码步骤中通过使用包含在基本码字部分(B')中的所述码字将所述码字解码为至少一个输出数据流(I1',I2',...,In')的输出数据字(D') 如果所述码字的所述常规解码是错误的,则在附加解码步骤中,通过另外使用辅助码字部分(A'), 作为增量冗余, - 用于检查码字的常规解码是否错误的检查单元(58),以及 - 用于输出所述至少一个接收机输出数据流(I1',I2',...)的数据输出(60) 。,In')分割成所述解码输出数据字(D')。