Broadcast channel encoding and decoding

A method for wireless communication, comprising:

• receiving a first codeword that comprises a first set of jointly encoded bits, the first set of jointly encoded bits comprising a set of physical broadcast channel (PBCH) information bits and a first set of information bits representative of a first index of a first synchronization signal block;
• determining a mother code block length for the first codeword;
• identifying, based at least in part on the determined mother code block length, one or more bit locations corresponding to the set PBCH information bits and the first set of information bits representative of the first index of the first synchronization signal block;
• and
• decoding the first codeword based at least in part on the identified one or more bit locations,
• wherein identifying the one or more bit locations is based at least in part on a reliability metric, and
• wherein bit locations corresponding to the first set of information bits have a higher reliability metric than bit locations corresponding to the PBCH information bits.

An apparatus for wireless communication, comprising:

• means for identifying a payload that comprises a set of physical broadcast channel (PBCH) information bits;
• means for determining a first set of information bits representative of an index of a first synchronization signal block;
• means for jointly encoding the set of PBCH information bits and the first set of information bits;
• and
• means for transmitting a first output vector that comprises the jointly encoded set of PBCH information bits and the first set of information bits using resources of the first synchronization signal block,
• wherein the jointly encoding comprises allocating bits of the set of PBCH information bits and bits of the first set of information bits to respective bit locations of an encoder based at least in part on a reliability metric associated with the bit locations of the encoder, and
• wherein the bit locations of the encoder allocated to the first set of information bits have a higher reliability metric than the bit locations of the encoder allocated to the PBCH information bits.

An apparatus for wireless communication, comprising:

• means for receiving a first codeword that comprises a first set of jointly encoded bits, the first set of jointly encoded bits comprising a set of physical broadcast channel (PBCH) information bits and a first set of information bits representative of a first index of a first synchronization signal block;
• means for determining a mother code block length for the first codeword;
• means for identifying, based at least in part on the determined mother code block length, one or more bit locations corresponding to the set of PBCH information bits and the first set of information bits representative of the first index of the first synchronization signal block;
• and
• means for decoding the first codeword based at least in part on the identified one or more bit locations,
• wherein identifying the one or more bit locations is based at least in part on a reliability metric, and
• wherein bit locations corresponding to the first set of information bits have a higher reliability metric than bit locations corresponding to the PBCH information bits.

An apparatus for wireless communication, comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• identify a payload that comprises a set of physical broadcast channel (PBCH) information bits;
• determine a first set of information bits representative of an index of a first synchronization signal block;
• jointly encode the set of PBCH information bits and the first set of information bits;
• and
• transmit a first output vector that comprises the jointly encoded set of PBCH information bits and the first set of information bits using resources of the first synchronization signal block,
• wherein the jointly encoding comprises allocating bits of the set of PBCH information bits and bits of the first set of information bits to respective bit locations of an encoder based at least in part on a reliability metric associated with the bit locations of the encoder, and
• wherein the bit locations of the encoder allocated to the first set of information bits have a higher reliability metric than the bit locations of the encoder allocated to the PBCH information bits.

An apparatus for wireless communication, comprising:

• a processor;
• memory coupled with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• receive a first codeword that comprises a first set of jointly encoded bits, the first set of jointly encoded bits comprising a set of physical broadcast channel (PBCH) information bits and a first set of information bits representative of a first index of a first synchronization signal block;
• determine a mother code block length for the first codeword;
• identify, based at least in part on the determined mother code block length, one or more bit locations corresponding to the set of PBCH information bits and the first set of information bits representative of the first index of the first synchronization signal block;
• and
• decode the first codeword based at least in part on the identified one or more bit locations,
• wherein identifying the one or more bit locations is based at least in part on a reliability metric, and
• wherein bit locations corresponding to the first set of information bits have a higher reliability metric than bit locations corresponding to the PBCH information bits.

A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable to:

• identify a payload that comprises a set of physical broadcast channel (PBCH) information bits;
• determine a first set of information bits representative of an index of a first synchronization signal block;
• jointly encode the set of PBCH information bits and the first set of information bits;
• and
• transmit a first output vector that comprises the jointly encoded set of PBCH information bits and the first set of information bits using resources of the first synchronization signal block,
• wherein the jointly encoding comprises allocating bits of the set of PBCH information bits and bits of the first set of information bits to respective bit locations of an encoder based at least in part on a reliability metric associated with the bit locations of the encoder, and
• wherein the bit locations of the encoder allocated to the first set of information bits have a higher reliability metric than the bit locations of the encoder allocated to the PBCH information bits.

A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable to:

• receive a first codeword that comprises a first set of jointly encoded bits, the first set of jointly encoded bits comprising a set of physical broadcast channel (PBCH) information bits and a first set of information bits representative of a first index of a first synchronization signal block;
• determine a mother code block length for the first codeword;
• identify, based at least in part on the determined mother code block length, one or more bit locations corresponding to the set of PBCH information bits and the first set of information bits representative of the first index of the first synchronization signal block;
• and
• decode the first codeword based at least in part on the identified one or more bit locations,
• wherein identifying the one or more bit locations is based at least in part on a reliability metric, and
• wherein bit locations corresponding to the first set of information bits have a higher reliability metric than bit locations corresponding to the PBCH information bits.