The present disclosure provides a decoding method and device and belongs to the field of communications. The method comprises: extracting at least one piece of prior information from at least one successfully decoded first transmission block in a history, and forming the at least one piece of prior information into a prior information set, one piece of prior information comprising header information of a transmission protocol layer of a first transmission block; when a second transmission block to be decoded transmitted by a transmitting end is received, selecting first prior information from the prior information set, the second transmission block being obtained by the transmitting end encoding a third transmission block; and decoding, according to the first prior information and first demodulation information of the second transmission block, the second transmission block to obtain the third transmission block. The device comprises a first extraction unit, a selection unit, and a first decoding unit. The disclosure decodes a second transmission block by combining first prior information and first demodulation information, such that decoding accuracy is improved.

Decoding method and device

Disclosed are a processing method, device and system for an overlapped multiplexing system. The method comprises: obtaining an input symbol sequence, the number of times of overlapped multiplexing, and a multiplexed waveform; obtaining an initial value of a shift register according to the input symbol sequence and the number of times of overlapped multiplexing; performing convolutional encoding according to the input symbol sequence, the initial value of the shift register, and the multiplexed waveform to obtain an encoded signal. The present invention resolves the technical problem in the prior art of being unable to perform continuous processing at a receive end and having a high bit error ratio caused by incomplete convolution due to overlapped multiplexing at a transmit end in a conventional OVXDM system.

Processing method, device and system for overlapped multiplexing system

Channel decoding method and device

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Channel decoding method and device