Probabilistic constellation shaping schemes for multiple layer transmissions

A transmitting device, comprising:

• a memory comprising executable instructions;
• and
• a processor configured to execute the executable instructions and cause the transmitting device to:
• obtain a configuration for performing a probabilistic constellation shaping (PCS) modulation scheme, the configuration indicating a set of parameters for different layers of a multi-layer transmission;
• identify a set of bits corresponding to a transport block for communication via the multi-layer transmission;
• perform distribution matching on the set of bits using the set of parameters to obtain a set of distributed symbols, wherein a respective distribution matcher (DM) rate for each layer of the multi-layer transmission is determined based on the set of parameters;
• convert the set of distributed symbols into a set of distributed bits;
• encode the set of distributed bits to obtain an encoded set of distributed bits;
• perform a modulation procedure on the encoded set of distributed bits in accordance with the PCS modulation scheme to obtain a set of modulation symbols corresponding to a codeword associated with the transport block;
• and
• transmit, to a receiving device, the codeword, including the set of modulation symbols, via the multi-layer transmission.

A transmitting device, comprising:

• means for obtaining a configuration for performing a probabilistic constellation shaping (PCS) modulation scheme, the configuration indicating a set of parameters for different layers of a multi-layer transmission;
• means for identifying a set of bits corresponding to a transport block for communication via the multi-layer transmission;
• means for performing distribution matching on the set of bits using the set of parameters to obtain a set of distributed symbols, wherein a respective distribution matcher (DM) rate for each layer of the multi-layer transmission is determined based on the set of parameters;
• means for converting the set of distributed symbols into a set of distributed bits;
• means for encoding the set of distributed bits to obtain an encoded set of distributed bits;
• means for performing a modulation procedure on the encoded set of distributed bits in accordance with the PCS modulation scheme to obtain a set of modulation symbols corresponding to a codeword associated with the transport block;
• and
• means for transmitting, to a receiving device, the codeword, including the set of modulation symbols, via the multi-layer transmission.

A non-transitory computer-readable medium, comprising:

• executable instructions that, when executed by a processor of a transmitting device, cause the transmitting device to:
• obtain a configuration for performing a probabilistic constellation shaping (PCS) modulation scheme, the configuration indicating a set of parameters for different layers of a multi-layer transmission;
• identify a set of bits corresponding to a transport block for communication via the multi-layer transmission;
• perform distribution matching on the set of bits using the set of parameters to obtain a set of distributed symbols, wherein a respective distribution matcher (DM) rate for each layer of the multi-layer transmission is determined based on the set of parameters;
• convert the set of distributed symbols into a set of distributed bits;
• encode the set of distributed bits to obtain an encoded set of distributed bits;
• perform a modulation procedure on the encoded set of distributed bits in accordance with the PCS modulation scheme to obtain a set of modulation symbols corresponding to a codeword associated with the transport block;
• and
• transmit, to a receiving device, the codeword, including the set of modulation symbols, via the multi-layer transmission.