This paper describes the salient features of designing a robust forward error correction coding scheme for satellite data communications and considers various such schemes suitable for a short message application.

A′(n,d,e), the smallest ` for which every binary error-correcting code of length n and minimum distance d is decodable with a list of size ` up to radius e, is determined for all d ≥ 2e−3. As a result, A′(n,d,e) is determined for all e≤ 4, except for 42 values of n.

The effect of atmosphere turbulence on light's spatial structure compromises the information capacity of photons carrying the Orbital Angular Momentum (OAM) in free-space optical (FSO) communications. In this paper, we study two aberration correction methods to mitigate this effect. The first one is the Shack-Hartmann wavefront correction method, which is based on the Zernike polynomials, and t...

This paper describes the Nara Institute of Science and Technology (NAIST) error correction system in the Helping Our Own (HOO) 2012 Shared Task. Our system targets preposition and determiner errors with spelling correction as a pre-processing step. The result shows that spelling correction improves the Detection, Correction, and Recognition Fscores for preposition errors. With regard to preposi...

Background: Correction of deformities around the knee joint may prevent or delay the onset of osteoarthritis or mitigate its effects. Accurate correction of such deformities without production of secondary deformities depends on precise localization and quantification of the deformities. Methods: We corrected deformities around the knee using acute correction with focal dome osteotomy in 21 seg...