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    • 10. 发明申请
    • METHOD AND SYSTEM OF INTERLEAVING FOR A MULTIPLE-INPUT MULTIPLE-OUTPUT MULTI-BAND OFDM COMMUNICATION SYSTEM
    • 用于多输入多输出多带OFDM通信系统的方法和系统
    • WO2008110998A3
    • 2008-11-27
    • PCT/IB2008050903
    • 2008-03-12
    • KONINKL PHILIPS ELECTRONICS NVYANG JUNWANG DONG
    • YANG JUNWANG DONG
    • H04L1/06
    • H04L1/0071H03M13/275H04L1/06
    • A multiple-input multiple-output multi-band OFDM transmission system (400) employs a data interleaving arrangement that is backwards compatible with specifications for a legacy interleaver. In one embodiment, an input data stream is parsed into two or more separate data streams by a round robin parser (310) and each of the separate data streams is shifted by a corresponding number of symbols and then interleaved by a legacy interleaver (340i). In another embodiment, data for a plurality (N*i) of symbols is split into N sequential groups of data, each group corresponding to one of N MIMO spatial streams, each stream including data for i symbols. Each group is then interleaved by a legacy interleaver (520i). In a third embodiment, an input data stream is interleaved by a scaled version of the legacy interleaver (610), and then parsed by a round-robin parser (620).
    • 多输入多输出多频带OFDM传输系统(400)采用与传统交织器的规范向后兼容的数据交织布置。 在一个实施例中,轮询解析器(310)将输入数据流解析成两个或更多个单独的数据流,并且每个单独数据流被移位相应数量的符号,然后由传统交织器(340i)进行交织, 。 在另一个实施例中,用于多个(N * i)个符号的数据被分割成N个连续的数据组,每个组对应于N个MIMO空间流中的一个,每个流包括用于i个符号的数据。 然后,每个组由传统交织器(520i)进行交织。 在第三实施例中,输入数据流由传统交织器(610)的缩放版本交织,然后由轮询解析器(620)解析。