Wednesday, October 05, 2005

FEC wrap up

Today I worked on Turbo Product Decoder.
It's improved a lot and worked on all modes.
The performance is still poor, but there are some ways to improve it.
Also I wrap up all of FEC including Code type3.

Though These FEC blocks are still some problems( see below),
I'll move forward to modulation block and go back to 11b's modulation
because sc modulation should be almost same as 11b and it's till incompleted.

The problems on FEC:
1) Reed solomon Encoder result did not match with the spec.
2) Turbo Product Decoder has still poor performance.
3) Code Type3 Decoder also has poor performance.

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