Butterfly log-MAP decoding algorithm for turbo code
- Resource Type
- Conference
- Authors
- Jia Hou; Myong Seop Yang; Moon Ho Lee
- Source
- 2002 14th International Conference on Digital Signal Processing Proceedings. DSP 2002 (Cat. No.02TH8628) Digital signal processing Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on. 2:651-654 vol.2 2002
- Subject
- Computing and Processing
Signal Processing and Analysis
Components, Circuits, Devices and Systems
Turbo codes
Signal processing algorithms
Iterative algorithms
Equations
Iterative decoding
Multidimensional signal processing
Graphics
Algorithm design and analysis
Moon
Array signal processing
- Language
In this paper, we introduce a butterfly log-MAP algorithm to compute the parameters in systematic turbo code. It can efficiently reduce both the operations of computation and work units in the turbo decoder. In addition, we show the block diagrams of the proposed implementation in this paper.