Real-time MMSE turbo-equalization on the TMS320C5509 fixed-point DSP
2004
We describe the implementation of a low-complexity minimum mean-square error (MMSE) turbo-equalizer on the Texas Instruments (TI) TMS320VC5509 device, a low-cost 16-bit fixed-point DSP typically designed for mobile terminals. A data rate of 207 Kb/s per iteration has been achieved. With carefully optimized data quantization, the resulting fixed-point receiver exhibits virtually no performance degradation with respect to an ideal (unquantized) floating-point turbo-equalizer.
Keywords:
- Mathematical optimization
- Fixed point
- Quantization (signal processing)
- Digital signal processor
- Floating point
- Filter (signal processing)
- Minimum mean square error
- Digital signal processing
- Telecommunications
- Control theory
- Code rate
- Computer science
- Intersymbol interference
- Equalization (audio)
- Turbo
- Algorithm
- Speech recognition
- Correction
- Source
- Cite
- Save
- Machine Reading By IdeaReader
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