Single step in-place operation method for 5G NR de-interleaving, de-rate matching, and HARQ combination
US11418294B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2020 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Apr 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0045
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus (e.g., receive chain) for wireless communications may perform de-interleaving, de-rate matching, and hybrid automatic repeat request (HARQ) combining in a single step. The apparatus may include a data pool configured to store HARQ log likelihood ratio (LLR) data from previous transmissions. The apparatus may include a HARQ onload controller configured to load HARQ LLR data from the HARQ data pool into a HARQ buffer. The apparatus may include an LLR buffer configured to store received demodulated, interleaved, and rate matched LLR data. The apparatus may include a plurality of processing engines configured to, starting at different locations of the LLR buffer: receive new input data from the LLR buffer; combine the HARQ LLR data from the HARQ buffer with the new input data to generate de-interleaved, de-rate matched, and HARQ combined data; and write the de-interleaved, de-rate matched, and HARQ combined data into the HARQ buffer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.