Polar coding is the most recent encoding scheme in the quest for error correction codes that approaches the Shannon limit, has a simple structure, and admits fast decoders. As such, it is an interesting candidate for the quantum key distribution (QKD) protocol that normally operates at high bit error rates and requires codes that operate near the Shannon limit. This paper describes approaches t...

— This paper proposes an algorithm to search a family of multiple sets of minimum correlated one dimensional uni-polar (optical) orthogonal codes (1-DUOC) or optical orthogonal codes (OOC) with fixed as well as variable code parameters. The cardinality of each set is equal to upper bound. The codes within a set can be searched for general values of code length 'n', code weight 'w', auto-correla...

In this paper, we propose a low-complexity, secrecy capacity achieving polar coding scheme for the cognitive interference channel with confidential messages (CICC) under the strong secrecy criterion. Existing polar coding schemes for interference channels rely on the use of polar codes for the multiple access channel, the code construction problem of which can be complicated. We show that the w...

We propose an alternative method for collaborative decoding of interleaved Reed-Solomon codes. Simulation results for a concatenated coding scheme using polar codes as inner codes are included.

This paper proposes the architecture of partial sum generator for constituent codes based polar code decoder. Constituent codes based polar code decoder has the advantage of low latency. However, no purposefully designed partial sum generator design exists that can yield desired timing for the decoder. We first derive the mathematical presentation with the partial sums set βc which is correspon...

The structure of polar codes inherently requires block lengths to be powers of two. In this paper, we investigate how different block lengths can be realized by coupling of several short-length polar codes. For this, we first analyze “code augmentation” to better protect the semipolarized channels, improving the BER performance under belief propagation decoding. Several serial and parallel augm...

Polar codes are the first explicit code sequences that provably achieve capacity for discrete memory-less channels. However, their performance with successive cancellation (SC) decoding is unimpressive at practical block-lengths. In this paper, we propose a scheme of concatenating Reed-Solomon (RS) with modified polar codes to improve the performance of SC. Firstly, short repetition block codes...

Abstract In 2017, the International Maritime Organization (IMO) implemented Code for Ships Operating in Polar Waters (Polar Code), with mandatory requirements covering Arctic and Antarctic Oceans. this conjunction, Convention on Standards of Training, Certification Watchkeeping (STCW) were amended 2018. New training made applicable dedicated personnel charge a navigational watch ships Ship Cert...

The study of the interaction of positrons with atoms and molecules has become increasingly popular, because more and more experimental activities have become feasible. Although exchange effects are absent, the polarisation effects, caused by the attractive nature between the positron and the target electrons, make the positron-molecule collisions more difficult to handle than the corresponding ...