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    • 2. 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)。
    • 3. 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')。
    • 4. 发明申请
    • IMPROVED ALAMOUTI ENCODING AND DECODING
    • 改进的ALAMOUTI编码和解码
    • WO2009062630A1
    • 2009-05-22
    • PCT/EP2008/009383
    • 2008-11-06
    • SONY CORPORATIONSTADELMEIER, LotharSCHNEIDER, Daniel
    • STADELMEIER, LotharSCHNEIDER, Daniel
    • H04B7/06H04B7/08H04L1/06
    • H04B7/0669H04B7/0671H04B7/068H04B7/0871H04B7/0885H04B7/0888H04B7/0894H04L1/0606H04L1/0643H04L1/0668
    • The present invention relates to the fields of transmit diversity, receive diversity and space-time block codes. The present invention especially relates to a method of transmitting data from a transmitter to a receiver connected by a communication channel, a transmitter, a receiver and a communication system comprising at least one transmitter and/or at least one receiver. The receiver according to the present invention is a receiver for receiving one or more first signals during a first transmission period and for receiving one or more second signals during a second transmission period, the one or more first signals being based on a first symbol transmitted on a first transmit path during said first transmission period and a second symbol transmitted on a second transmit path during said first transmission period, the one or more second signals being based on a third symbol transmitted on said first transmit path during said second transmission period and a fourth symbol transmitted on said second transmit path during said second transmission period, whereby said first symbol and said fourth symbol carry the same information, said second symbol and said third symbol carry the same information, the information carried by each of said first and forth symbols corresponds to a first input symbol and the information carried by each of said second and third symbols corresponds to a second input symbol, the receiver comprising a decoder adapted to decode the two input symbols based on said one or more first signals and/or is adapted to decode said two input symbols based on said one or more second signals.
    • 本发明涉及发射分集,接收分集和时空块码的领域。 本发明特别涉及一种将数据从发射机发射到由通信信道,发射机,接收机和包括至少一个发射机和/或至少一个接收机的通信系统连接的接收机的方法。 根据本发明的接收机是用于在第一传输周期期间接收一个或多个第一信号并且在第二传输周期期间接收一个或多个第二信号的接收机,所述一个或多个第一信号基于在 在所述第一传输周期期间的第一传输路径和在所述第一传输周期期间在第二传输路径上传输的第二符号,所述一个或多个第二信号基于在所述第二传输周期期间在所述第一传输路径上传输的第三符号, 在所述第二传输周期期间在所述第二发送路径上发送的第四符号,由此所述第一符号和所述第四符号携带相同的信息,所述第二符号和所述第三符号携带相同的信息,由所述第一和第四符号 对应于第一输入符号和由所述第二和第三s中的每一个携带的信息 符号对应于第二输入符号,接收机包括适于基于所述一个或多个第一信号对两个输入符号进行解码的解码器和/或适于基于所述一个或多个第二信号来解码所述两个输入符号。
    • 7. 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)。
    • 8. 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)。
    • 9. 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)。