In order to solve the problem of high complexity polarization code construction under free-space optical communication, this paper proposes a segmented turbulent partial method, which effectively reduces while obtaining highest possible quality communication performance. The method introduces generalized technique into atmospheric strong channel, determines reliability relationship between each...

<p><span>This review paper aims to examine the use of polar codes in public key cryptosystems, providing a comprehensive overview state-of-the-art this field at present. This study thoroughly searches databases such as IEEE Xplore, Scopus, and ACM digital library locate relevant research articles. In study, we demonstrate cryptography provide valuable insights for researchers intere...

Polar codes are constructed for m-user multiple access channels (MAC) whose input alphabet size is a prime number. The block error probability under successive cancelation decoding is o(2−N 1/2− ), where N is the block length. Although the sum capacity is achieved by this coding scheme, some points in the symmetric capacity region may not be achieved. In the case where the channel is a combinat...

This paper revisits polar code design for a binary-input additive white Gaussian noise (BI-AWGN) channel when successive cancellation (SC) decoding is applied at the receiver. We focus on so-called reciprocal approximation (RCA) , which often adopted in of low-density parity-check (LDPC) codes....

Polar code is a recent forward error correction technique that characterized by its low encoding/decoding complexity and good performance. In this paper, complete image transmission system (transmitter receiver) proposed to improve the quality over different types of channels such as Gaussian, Rayleigh Rician channels. The based on encoding most significant quantized Discrete Cosine Transform (...

We propose the progressive rate-filling method as a framework to study agile construction of multilevel polar-coded modulation. show that bit indices within each component polar code can follow fixed, precomputed ranking sequence (e.g., Polar in 5G standard) while their allocated rates (i.e., number information bits code) be fast computed by exploiting target sum-rate approximation and proper m...

In this work, we present a concatenated repetitionpolar coding scheme that is aimed at applications requiring highly unbalanced unequal bit-error protection, such as the Beam Interlock System of the Large Hadron Collider at CERN. Even though this concatenation scheme is simple, it reveals significant challenges that may be encountered when designing a concatenated scheme that uses a polar code ...

In this paper, we study the symmetry of polar codes on symmetric binary-input discrete memoryless channels (B-DMC). The symmetry property of polar codes is originally pointed out in Arikan’s work for general B-DMC channels. With the symmetry, the output vector y 1 (N be the block length) can be divided into equivalence classes in terms of their transition probabilities. In this paper, we presen...