Iterative decoding method for Turbo code
An iterative decoding and iterative technology, applied in the direction of error correction/error detection using convolutional codes, error correction/error detection by combining multiple code structures, digital transmission systems, etc., can solve the implementation complexity of external information parameter estimation Advanced problems, to achieve the effect of reducing implementation complexity, bit error rate and frame error rate performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0071] The present invention comprehensively uses the calculation mode of Max-Log-MAP algorithm and Log-MAP algorithm. Solving in forward iterations And reverse iterative solution In the process, the calculation method of Max-Log-MAP is used, that is, max(a, b) is used as ln(e a +e b ) approximation; while solving the soft information Λ(d k ) process, the Log-MAP calculation method is used to accurately calculate ln(e a +e b ). The present invention refers to the calculation mode of this synthetically using Max-Log-MAP algorithm and Log-MAP algorithm as hybrid Log-MAP algorithm, and the using method of calculation formula in this algorithm is as follows:
[0072] α ~ k ( m ) ≈ max m ′ ( x k u ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com