00001 00029 #ifndef REEDSOLOMON_H 00030 #define REEDSOLOMON_H 00031 00032 #include <itpp/base/vec.h> 00033 #include <itpp/comm/galois.h> 00034 #include <itpp/comm/channel_code.h> 00035 00036 00037 namespace itpp 00038 { 00039 00040 //---------------------- Reed-Solomon -------------------------------------- 00041 00051 class Reed_Solomon : public Channel_Code 00052 { 00053 public: 00055 Reed_Solomon(int in_m, int in_t, bool sys = false); 00057 virtual ~Reed_Solomon() { } 00058 00060 virtual void encode(const bvec &uncoded_bits, bvec &coded_bits); 00062 virtual bvec encode(const bvec &uncoded_bits); 00063 00065 virtual void decode(const bvec &coded_bits, bvec &decoded_bits); 00067 virtual bvec decode(const bvec &coded_bits); 00068 00069 // Soft-decision decoding is not implemented 00070 virtual void decode(const vec &received_signal, bvec &output); 00071 virtual bvec decode(const vec &received_signal); 00072 00074 virtual double get_rate() const { return static_cast<double>(k) / n; } 00075 00077 Reed_Solomon & operator=(const Reed_Solomon &) { return *this; } 00078 00079 protected: 00082 int m, t, k, n, q; 00084 00085 GFX g; 00087 const bool systematic; 00088 }; 00089 00090 } // namespace itpp 00091 00092 #endif // #ifndef REEDSOLOMON_H
1.5.8