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    • 32. 发明申请
    • MULTIRESOLUTION TRANSMISSION WITH MULTICARRIER SIGNALS
    • 多媒体信号的多分辨率传输
    • WO2012052739A1
    • 2012-04-26
    • PCT/GB2011/051843
    • 2011-09-29
    • ATUNGSIRI, Samuel, AsangbengTAYLOR, Matthew, Paul AtholSONY CORPORATIONSONY EUROPE LIMITED
    • ATUNGSIRI, Samuel, AsangbengTAYLOR, Matthew, Paul Athol
    • H04L27/34H04L5/00
    • H04L27/3488H04L5/0023H04L5/0048
    • A transmitter communicates data using Orthogonal Frequency Division Multiplexed (OFDM) symbols, the OFDM symbols including a plurality of sub-carrier symbols formed in the frequency domain for modulating with the data to be carried and pilot symbols. The transmitter includes a modulator arranged in operation to receive on a first input, national broadcast data symbols from a first data pipe according to a national broadcast channel for transmission, to receive on a second input, local service data symbols from a local service insertion data pipe according to a local service channel for transmission, and to modulate the data bearing sub-carrier signals of the OFDM symbols with either the national broadcast data symbols or the local service data symbols and the national broadcast symbols. The modulation of the data bearing sub-carrier signals of the OFDM symbols with the national broadcast data symbols is performed by mapping the data symbols according to a first modulation scheme, and the modulation of the sub-carrier signals of the OFDM symbols with the local service data symbols and the national broadcast data symbols is performed by mapping the national broadcast data symbols and the local service data symbols according to a second modulation scheme. The modulator modulates the pilot sub-carriers of the OFDM symbols with pilot symbols to form the OFDM symbols for transmission. The first modulation scheme is a lower order modulation scheme than the second modulation scheme, with the effect that detection of one of the second modulation symbols of the second modulation scheme will provide the local service data symbols and the national broadcast symbols, thereby providing the modulator with a plurality of modulation layers. If the modulator is arranged to modulate the data bearing sub-carriers with both the local service data symbols and the national broadcast symbols, the modulator is arranged to include local pilot symbols with the local service data symbols.
    • 发射机使用正交频分复用(OFDM)符号来传送数据,OFDM符号包括在频域中形成的多个子载波符号,以便用要携带的数据和导频符号进行调制。 所述发射机包括调制器,其被配置为在第一输入端接收来自第一数据管线的国家广播数据符号,所述国家广播数据符号根据用于发送的国家广播信道,以在第二输入端从本地服务插入数据接收本地服务数据符号 根据本地服务信道进行传输,并用国家广播数据符号或本地服务数据符号和国家广播符号来调制OFDM符号的数据承载子载波信号。 利用国家广播数据符号对OFDM符号的数据承载子载波信号的调制是通过根据第一调制方案映射数据符号,并将OFDM符号的副载波信号与本地 通过根据第二调制方案映射国家广播数据符号和本地服务数据符号来执行服务数据符号和国家广播数据符号。 调制器利用导频符号来调制OFDM符号的导频子载波,以形成用于传输的OFDM符号。 第一调制方案是比第二调制方案更低阶的调制方案,其结果是第二调制方案的第二调制符号之一的检测将提供本地服务数据符号和国家广播符号,从而提供调制器 具有多个调制层。 如果调制器被配置为利用本地服务数据符号和国家广播符号来调制具有数据承载子载波,则调制器被布置为将本地导频符号与本地服务数据符号相包括。
    • 33. 发明申请
    • MULTIRESOLUTION TRANSMISSION WITH MULTICARRIER SIGNALS
    • 多媒体信号的多分辨率传输
    • WO2012052734A1
    • 2012-04-26
    • PCT/GB2011/051777
    • 2011-09-21
    • SONY CORPORATIONATUNGSIRI, Samuel, AsangbengTAYLOR, Matthew, Paul AtholSONY EUROPE LIMITED
    • ATUNGSIRI, Samuel, AsangbengTAYLOR, Matthew, Paul Athol
    • H04L27/34H04L5/00
    • H04L27/3488H04L5/0023H04L5/0048
    • A transmitter communicates data using Orthogonal Frequency Division Multiplexed (OFDM) symbols, the OFDM symbols including a plurality of sub-carrier symbols formed in the frequency domain for modulating with the data to be carried and pilot symbol sub-carriers and the transmitter is arranged to form a Multiple Input Multiple Output (MIMO) scheme. The transmitter includes a modulator arranged in operation to receive on a first input, national broadcast data symbols to receive on a second input, local service data symbols and to modulate the data bearing sub-carrier signals of the OFDM symbols with either the national broadcast data symbols or the local service data symbols and the national broadcast symbols. The modulation of the data bearing sub-carrier signals of the OFDM symbols with the national broadcast data symbols is performed by mapping the data symbols according to a first modulation scheme, and the modulation of the sub-carrier signals of the OFDM symbols with the local service data symbols and the national broadcast data symbols is performed by mapping the national broadcast data symbols and the local service data symbols according to a second modulation scheme. A ΜΓΜΟ encoder is arranged to receive the OFDM symbols and to form at least first and second versions of the OFDM symbols, a frequency interleaver is arranged to receive the first and second versions of the OFDM symbols and to interleave the position of the respective modulated sub-carriers; and a pilot signal inserter is arranged to receive the first and second version of the OFDM symbols and to insert first pilot symbols at the pilot sub-carriers of the first version of the OFDM symbols and second pilot symbols at the pilot sub-carriers of the second version of the OFDM symbols. If the modulator is arranged to modulate the data bearing sub-carriers with both the local service data symbols and the national broadcast symbols, the modulator is arranged to generate local pilot symbols at predetermined locations within the first and second OFDM symbols, to de-interleave the local pilot symbols from the locations within the first and second OFDM symbols, the de- interleaving being a reverse mapping of the interleaving performed by the frequency interleaver, and to include the local pilot symbols with the local service data symbols at the locations determined by the de-interleaving.
    • 发射机使用正交频分复用(OFDM)符号来传送数据,OFDM符号包括在频域中形成的多个子载波符号,用于与将携带的数据和导频符号子载波进行调制,并且发射机被布置成 形成多输入多输出(MIMO)方案。 所述发射机包括调制器,其被布置为在第一输入端接收国家广播数据符号,以在第二输入端接收本地业务数据符号,并且利用所述国家广播数据来调制所述OFDM符号的承载子载波信号 符号或本地业务数据符号和国家广播符号。 利用国家广播数据符号对OFDM符号的数据承载子载波信号的调制是通过根据第一调制方案映射数据符号,并将OFDM符号的副载波信号与本地 通过根据第二调制方案映射国家广播数据符号和本地服务数据符号来执行服务数据符号和国家广播数据符号。 A?G? 编码器被布置为接收OFDM符号并且形成OFDM符号的至少第一和第二版本,频率交织器被布置为接收OFDM符号的第一和第二版本并且交织各个调制子载波的位置 ; 并且导频信号插入器被布置成接收OFDM符号的第一和第二版本,并且在第一版本的OFDM符号的导频子载波和第二导频符号的导频子载波处插入第一导频符号 OFDM符号的第二版本。 如果调制器被布置成利用本地服务数据符号和国家广播符号来调制具有数据载体的子载波,则调制器被安排为在第一和第二OFDM符号内的预定位置处产生本地导频符号,以解交织 来自第一和第二OFDM符号内的位置的本地导频符号,去交织是由频率交织器执行的交织的反向映射,并且将本地导频符号与本地服务数据符号包括在由 解交织。
    • 34. 发明申请
    • MULTI- LEVEL MODULATION SYSTEM AND METHOD
    • 多级调制系统和方法
    • WO2011104536A3
    • 2011-09-01
    • PCT/GB2011/050345
    • 2011-02-22
    • SONY CORPORATIONSONY EUROPE LIMITEDATUNGSIRI, Samuel AsanbengSTADELMEIER, LotharMUHAMMAD, SvenROBERT, JorgOKEHIE, Obioma Chiedozie DonaldTAYLOR, Matthew Paul AtholZOELLNER, Jan
    • ATUNGSIRI, Samuel AsanbengSTADELMEIER, LotharMUHAMMAD, SvenROBERT, JorgOKEHIE, Obioma Chiedozie DonaldTAYLOR, Matthew Paul AtholZOELLNER, Jan
    • H04L27/34H04L5/00
    • A receiver for receiving and recovering data symbols from Orthogonal Frequency Division Multiplexed (OFDM) symbols. The data symbols have been transmitted on the OFDM symbols from either a first data pipe, or the first data pipe and a local insertion pipe. If the data symbols have been received from the first data pipe, the data symbols are modulated onto the sub-carriers of the OFDM symbols using a first modulation scheme or if the data symbols have been received from the first data pipe and the local insertion pipe then the data symbols are modulated on to the sub-carriers of the OFDM symbols using a second modulation scheme. The receiver includes a de-modulator arranged in dependence upon a control signal, either to generate from received modulation symbols an output stream of data symbols for the first data pipe, or to generate from the received modulation symbols on the first output the output stream of data symbols for the first data pipe and on a second output an output stream of data symbols for the local insertion pipe. The second modulation scheme provides second modulation symbols with values which are disposed in the complex plane about corresponding values of the first modulation scheme, with the effect that detection of one of the second modulation symbols of the second modulation scheme will provide data symbols from the local insertion pipe and/or the first data pipe and allow the detection of first modulation symbols from the first modulation scheme providing data symbols from the first data pipe, in the presence of modulation symbols from the second modulation scheme, thereby providing the modulator with a plurality of modulation layers. The control signal indicates to the de-modulator that the data symbols from the local insertion pipe have been transmitted in the received OFDM symbols. Accordingly a single frequency network can be formed in which a sub-set of one or more of the base stations within the geographical area are arranged to transmit the data from the first data pipe and the local insertion pipe, and others of the plurality of base stations are arranged to transmit data from the first data pipe only.
    • 用于从正交频分复用(OFDM)符号接收和恢复数据符号的接收器。 数据符号已经在来自第一数据管道或第一数据管道和本地插入管道的OFDM符号上发送。 如果已经从第一数据管道接收到数据符号,则使用第一调制方案将数据符号调制到OFDM符号的副载波上,或者如果已经从第一数据管道和本地插入管道接收到数据符号 然后使用第二调制方案将数据符号调制到OFDM符号的副载波上。 接收器包括取决于控制信号而设置的解调器,或者从接收到的调制符号生成用于第一数据管道的数据符号的输出流,或者从第一输出上的接收到的调制符号生成 数据符号用于第一数据管道并且在第二输出上用于本地插入管道的输出数据符号流。 第二调制方案向第二调制符号提供值,该值设置在复平面中关于第一调制方案的对应值,其中检测到第二调制方案的第二调制符号之一将从本地提供数据符号 在存在来自第二调制方案的调制符号的情况下,允许从第一调制方案中检测来自第一数据管道的数据符号的第一调制符号,从而为调制器提供多个 的调制层。 控制信号向解调器指示来自本地插入管道的数据符号已经在接收的OFDM符号中发送。 因此,可以形成单频网络,其中地理区域内的一个或多个基站的子集被布置为从第一数据管道和本地插入管道传输数据,并且多个基站中的其他基站 工作站被安排为仅传输来自第一数据管道的数据。
    • 37. 发明申请
    • DATA PROCESSING APPARATUS AND METHOD
    • 数据处理装置和方法
    • WO2009056801A1
    • 2009-05-07
    • PCT/GB2008/003606
    • 2008-10-24
    • SONY CORPORATIONSONY UNITED KINGDOM LIMITEDATUNGSIRI, Samuel, AsanbengTAYLOR, Matthew, Paul, AtholWILSON, John, Nicholas
    • ATUNGSIRI, Samuel, AsanbengTAYLOR, Matthew, Paul, AtholWILSON, John, Nicholas
    • H04L1/00H04L27/26H03M13/27
    • H04L5/0007G11C19/00H03M13/276H04L1/0071H04L5/0053H04L27/14H04L27/2602H04L27/2647
    • A data processing apparatus maps input symbols to be communicated onto a predetermined number of sub-carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data processor includes an interleaver memory which reads-in the predetermined number of data symbols for mapping onto the OFDM sub-carrier signals. The interleaver memory reads-out the data symbols on to the OFDM sub-carriers to effect the mapping, the read-out being in a different order than the read-in, the order being determined from a set of addresses, with the effect that the data symbols are interleaved on to the sub-carrier signals. The set of addresses are generated from an address generator which comprises a linear feedback shift register and a permutation circuit. A generator polynomial for the linear feedback shift register of R' i [7] = R' i- l [0] ⊕ R' i-l [1] ⊕ R' i-l [5] ⊕ R' i-l [6] is provided with a permutation order which has been established by simulation analysis to optimise communication performance via typical radio channels, of an OFDM modulated system such as a Digital Video Broadcasting (DVB) standard such as DVB- Terrestrial2 (DVB-T2).
    • 数据处理装置将要传送的输入符号映射到正交频分复用(OFDM)符号的预定数量的副载波信号。 数据处理器包括交织器存储器,其读入预定数量的数据符号以映射到OFDM子载波信号上。 交织器存储器将数据符号读出到OFDM子载波上以实现映射,读出的顺序与读入不同,顺序是从一组地址确定的,其效果是 数据符号被交织在子载波信号上。 地址集合由包括线性反馈移位寄存器和置换电路的地址发生器产生。 R'i [7] = R'i [0]的线性反馈移位寄存器的生成多项式? R'i-1 [1]? R'i-l [5]? R'i-1 [6]具有通过仿真分析建立的置换顺序,以通过典型的无线电信道优化诸如DVB-Terrestrial2之类的数字视频广播(DVB)标准的OFDM调制系统的通信性能 (DVB-T2)。