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 Creonic 
Short Desc. : Open Source Viterbi Decoder (AXI4-Stream compliant)
Overview :
Convolutional codes are widely adopted in wireless communication systems for forward error correction. Creonic offers you an open source Viterbi decoder with AXI4-Stream interface, that is capable of decoding most of the convolutional codes as defined by various standards.
Features : - Design-time configuration of encoder polynomials (different number of states and different code rates).
- Support for recursive and non-recursive convolutional codes.
- Windowing technique for reduced latency and memory requirements (with acquisition).
- Design-time configuration of quantization, maximum window size, RAM usage (distributed RAM vs. Block RAM).
- Run-time configuration of block length.
- Run-time configuration of window length and acquisition length.
- Block-to-block on-the-fly configuration.

- Configurable for most standards that apply convolutional codes (GSM, UMTS, CDMA, CDMA2000, WiMAX, WiFi, DAB, ...).
- Pipelined design for high payload throughputs (about 1 bit per clock cycle).
- AXI4-Stream interface for simple integration.
- Up to 250 MHz on Xilinx Virtex-6 FPGA (Speedgrade 1).
- VHDL source code available under GPL license (hosted at opencores.org).
- Commercial support and licenses available.
Categories :
Portability :
Type : Soft
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