Data processing method and device

A transmitting node, comprising:

• at least one processor configured to:
• determine a code block length No for polar encoding of an information bit sequence according to a data characteristic, wherein the data characteristic comprises a link direction, the link direction comprising a downlink direction or an uplink direction;
• determine a code block number C according to the code block length No and a practical code block length N, wherein the code block length No satisfies a generation matrix of the polar encoding Gn0=F⊗n0, where ⊗ denotes a kronecker power,
• F
• =
• [
• 1
• 0
• 1
• 1
• ]
• ,
• n0 is a positive integer, and n0=log2N0;
• generate one or more code blocks according to the code block length No by performing, by the transmitting node, the polar encoding of the information bit sequence;
• and
• transmit, via a transmitter, the one or more code blocks obtained through performing the polar encoding.

A method, comprising:

• receiving, by a receiving node, one or more code blocks obtained through performing polar encoding,
• wherein the one or more code blocks are generated according to a code block length N0 by performing the polar encoding of an information bit sequence, the code block length N0 is determined according to a data characteristic, and a code block number C is determined according to the code block length N0 and a practical code block length N, wherein the data characteristic comprises a link direction, the link direction comprising a downlink direction or an uplink direction, wherein the code block length N0 satisfies a generation matrix of the polar encoding Gn0=F⊗n0, where ⊗ denotes a kronecker power,
• F
• =
• [
• 1
• 0
• 1
• 1
• ]
• ,
• n0 is a positive integer, and n0=log2N0.

A receiving node, comprising:

• at least one processor configured to receive, via a receiver, one or more code blocks obtained through performing polar encoding,
• wherein the one or more code blocks are generated according to a code block length N0 by performing the polar encoding of an information bit sequence, the code block length N0 is determined according to a data characteristic, and a code block number C is determined according to the code block length No and a practical code block length N, wherein the data characteristic comprises a link direction, the link direction comprising a downlink direction or an uplink direction, wherein the code block length N0 satisfies a generation matrix of the polar encoding Gn0=F⊗n0, where ⊗ denotes a kronecker power,
• F
• =
• [
• 1
• 0
• 1
• 1
• ]
• ,
• n0 is a positive integer, and n0=log2N0.