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Odd interleaving only of an odd-even interleaver when half or less data subcarriers are active in a digital video broadcasting (DVB) system
Odd interleaving only of an odd-even interleaver when half or less data subcarriers are active in a digital video broadcasting (DVB) system
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机译:当一半或更少的数据子载波在数字视频广播(DVB)系统中处于活动状态时,仅奇数交错器的奇数交错
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摘要
A data processing apparatus is arranged to map input data symbols to be communicated onto a predetermined number of sub-carrier signals of Orthogonal Frequency Division Multiplexed OFDM symbols. The predetermined number of sub-carrier signals is determined in accordance with one of a plurality of operating modes and the input data symbols are divided into first sets of input data symbols and second sets of input data symbols. The data processing apparatus comprises an interleaver operable to perform an odd interleaving process which interleaves the first sets of input data symbols on to the sub-carrier signals of first OFDM symbols and an even interleaving process which interleaves the second sets of input data symbols on to the sub-carrier signals of second OFDM symbols.
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