Inner coding consists of punctured-convolution coding, bit interleaving and symbol interleaving.
内层包括删余卷积编码、位交织和符号交织。
The COFDM modulation part is made up of blocks partition, COFDM symbol forming, DQPSK symbol mapping, frequency interleaving, difference modulation and COFDM modulation and so on.
实现不同帧之间的比特交织等。 COFDM调制部分包括块划分及COFDM符号形成、DQPSK符号映射、频率交织、差分调制及COFDM调制等环节。
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