Method for polar decoding with dynamic successive cancellation list size and polar decoder
US11777533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Nov 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M13/4161
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
It provides a method (300) for polar decoding a received signal into a number, N, of bits with Successive Cancellation List, SCL. The method (300) includes: at the i-th level of a binary tree for decoding the i-th bit of the N bits, where 1≤i≤N: when the i-th bit is an information bit, calculating (310) a path metric for each of 2*Li-1 candidate paths at the i-th level, where Li-1 is an SCL size at the (i−1)-th level and L0=1; setting (320) an SCL size at the i-th level, Li, based on Li-1 and a statistical distribution of the path metrics calculated for the 2*Li-1 candidate paths; and selecting (330) Li surviving paths from the 2*Li-1 candidate paths based on their respective path metrics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.