Polar codes for control channels
E522251
Polar codes for control channels are a class of capacity-achieving error-correcting codes used in 5G NR to reliably transmit control information such as scheduling and signaling messages.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
capacity-achieving code
ⓘ
channel coding scheme ⓘ error-correcting code ⓘ forward error correction code ⓘ |
| achieves | channel capacity under successive cancellation decoding in the limit of infinite block length ⓘ |
| appliedTo |
control channels
ⓘ
downlink control information ⓘ uplink control information ⓘ |
| basedOn | polar codes ⓘ |
| designedFor | reliable control channel transmission ⓘ |
| designedTo | improve control channel robustness in 5G NR ⓘ |
| domain |
cellular networks
ⓘ
wireless communications ⓘ |
| encodes |
DCI formats
ⓘ
broadcast channel payload ⓘ uplink control information bits ⓘ |
| implementedIn |
5G base stations
ⓘ
5G user equipment ⓘ |
| includes |
CRC concatenation
ⓘ
bit selection and puncturing ⓘ code shortening ⓘ interleaving ⓘ rate matching ⓘ |
| introducedIn | 5G NR Release 15 NERFINISHED ⓘ |
| inventorOfUnderlyingTheory | Erdal Arikan NERFINISHED ⓘ |
| optimizedFor |
high reliability
ⓘ
low latency decoding ⓘ short block lengths ⓘ |
| property |
binary linear code
ⓘ
structured block code ⓘ |
| relatedTo | LDPC codes for data channels ⓘ |
| replaced | LTE tail-biting convolutional codes for control channels in 5G NR ⓘ |
| specifiedIn | 3GPP TS 38.212 NERFINISHED ⓘ |
| standardizedBy | 3GPP NERFINISHED ⓘ |
| supports |
different block lengths
ⓘ
various code rates via rate matching ⓘ |
| usedFor |
transmission of control information
ⓘ
transmission of scheduling information ⓘ transmission of signaling messages ⓘ |
| usedIn | 5G NR NERFINISHED ⓘ |
| usedOn |
PBCH
NERFINISHED
ⓘ
PDCCH NERFINISHED ⓘ PUCCH NERFINISHED ⓘ physical broadcast channel ⓘ physical downlink control channel ⓘ physical uplink control channel ⓘ |
| uses |
CRC-aided list decoding
ⓘ
channel polarization principle ⓘ successive cancellation decoding ⓘ successive cancellation list decoding ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.