8/29/2023 0 Comments 2 d parity program in cIf m(z) is the minimum of the average code word length obtained out of different uniquely decipherable coding schemes, then as per Shannon’s theorem, we can state that m(z) ≥ H(z) Since L(z) ≥ H(z) according to Shannon’s Coding theorem and both L(z) and H(z) are positive, 0≤ η ≤ 1 The coding efficiency (η) of an encoding scheme is expressed as the ratio of the source entropy H(z) to the average code word length L(z) and is given by Hamming code or Hamming Distance Code is the best error correcting code we use in most of the communication network and digital systems. ![]() The error correction techniques are of two types. The codes which are used for both error detecting and error correction are called as “Error Correction Codes”. These codes are called “Error detecting codes”. We use some redundancy codes to detect these errors, by adding to the data while it is transmitted from source (transmitter). Any code which is capable of correcting the ‘t’ errors should satisfy the following condition:Īny code which is capable of detecting the ‘t’ errors should satisfy the following condition:Įrror detection is the process of detecting the errors that are present in the data transmitted from transmitter to receiver, in a communication system.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |