#include <itpp/comm/bch.h>
Inheritance diagram for itpp::BCH:
Public Member Functions | |
BCH (int in_n, int in_k, int in_t, ivec genpolynom) | |
Initialize a (n,k)-code that can correct t errors. | |
virtual | ~BCH () |
Destructor. | |
virtual void | encode (const bvec &uncoded_bits, bvec &coded_bits) |
Encode a bvec of indata. | |
virtual bvec | encode (const bvec &uncoded_bits) |
Encode a bvec of indata. | |
virtual void | decode (const bvec &coded_bits, bvec &decoded_bits) |
Decode a bvec of coded data. | |
virtual bvec | decode (const bvec &coded_bits) |
Decode a bvec of coded data. | |
virtual void | decode (const vec &received_signal, bvec &output) |
Decode a vec of received data. | |
virtual bvec | decode (const vec &received_signal) |
Decode a vec of received data. | |
virtual double | get_rate () |
Get the code rate. |
The notation used is found in S. B. Wicker, "Error control systems for digital communication and storage", Appendix E, Prentice-Hall, 1995.
Example:
BCH bch(31,21,2,"3 5 5 1")
Definition at line 62 of file bch.h.
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Initialize a (n,k)-code that can correct t errors.
Definition at line 41 of file bch.cpp. References itpp::Vec< Num_T >::length(), itpp::oct2bin(), and itpp::GFX::set(). |
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Destructor.
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Encode a bvec of indata.
Implements itpp::Channel_Code. Definition at line 56 of file bch.cpp. References itpp::floor(), itpp::Vec< Num_T >::length(), itpp::Vec< Num_T >::mid(), itpp::Vec< Num_T >::replace_mid(), and itpp::Vec< Num_T >::set_size(). Referenced by encode(). |
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Encode a bvec of indata.
Implements itpp::Channel_Code. Definition at line 84 of file bch.cpp. References encode(). |
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Decode a bvec of coded data.
Implements itpp::Channel_Code. Definition at line 91 of file bch.cpp. References itpp::Vec< Num_T >::clear(), itpp::floor(), itpp::Vec< Num_T >::length(), itpp::Vec< Num_T >::mid(), itpp::Vec< Num_T >::replace_mid(), itpp::Vec< Num_T >::set_size(), and itpp::zeros_b(). Referenced by decode(). |
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Decode a bvec of coded data.
Implements itpp::Channel_Code. Definition at line 189 of file bch.cpp. References decode(). |
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Decode a vec of received data.
Implements itpp::Channel_Code. Definition at line 198 of file bch.cpp. References it_error. |
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Decode a vec of received data.
Implements itpp::Channel_Code. Definition at line 203 of file bch.cpp. References it_error. |
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Get the code rate.
Implements itpp::Channel_Code. |
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