Wireless transmission system and reception device
US9853700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2017 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Mar 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2647
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An object of the present invention is to generate a soft estimation value where missing of bit information is avoided and to implement turbo equalization processing in a wireless transmission apparatus and a wireless transmission system where termination processing is not performed in an error correction coding part and interleave processing over frames is performed. A wireless transmission system of the present invention includes a transmission apparatus and a reception apparatus. The transmission apparatus includes an error correction coding unit, a first interleave unit, a second interleave unit, and a digital modulation unit. The reception apparatus includes a unit that detects a reception signal, a demapper unit, a second deinterleave unit, a unit to store a received bit logarithm of likelihood ratio in a frame buffer, a frequency interleaver data extraction part that extracts data of a predetermined period, a decoding part, and a hard decision part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.