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Viterbi K=9 decoder

K=9 (256 states).
Rates ½ and 1/3. Other rates can be supplied by external puncturing.
Parameterizable soft inputs.
Parameterizable convergence traceback length.
On the fly configurable traceback length.
Variable algorithm radix to support low to high thorughput, 10-170Mbps on FPGA device.
Zero delay between packets.
Generator polynomials:
      G0=557(octal), G1=663(octal), G2=711(octal) (rate 1/3).
      G0=561(octal), G1=753(octal) (rate ½).
All-synchronous design using a single clock, except for global asynchronous reset.
Simple interface.
Available as verilog source code or as netlist.
BER of 10^-7 at 4.5 dB.
Silicon proven, FPGA proven.

 

Ordering information
Viterbi K=9 decoder available as verilog source code or as EDIF netlist.
Delivery includes:

Verilog source code or verilog EDIF netlist.
Verilog testing environment.
Bit-exact Matlab model.
Documentation.

For more information please contact us

 

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