Hamid Ebrahimzad
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View article: Impact of Optical Communication Link Error on Large-Scale AI Training in Data Centers
Impact of Optical Communication Link Error on Large-Scale AI Training in Data Centers Open
Recently, data centers (DCs) have been increasingly dedicated to artificial intelligence (AI) training processes. To enable large-scale model training, parallelization schemes such as distributed data parallelism (DDP) and pipeline paralle…
View article: Fast Successive-Cancellation Decoding of 2 x 2 Kernel Non-Binary Polar Codes: Identification, Decoding and Simplification
Fast Successive-Cancellation Decoding of 2 x 2 Kernel Non-Binary Polar Codes: Identification, Decoding and Simplification Open
Non-binary polar codes (NBPCs) decoded by successive cancellation (SC) algorithm have remarkable bit-error-rate performance compared to the binary polar codes (BPCs). Due to the serial nature, SC decoding suffers from large latency. The la…
View article: Ordered Reliability Direct Error Pattern Testing Decoding Algorithm
Ordered Reliability Direct Error Pattern Testing Decoding Algorithm Open
We propose a new decoding algorithm for binary codes called ordered reliability direct error pattern testing (ORDEPT) which is based on completion of partial error patterns arranged in the order of likelihood. Based on ORDEPT we proposed a…
View article: Ordered Reliability Direct Error Pattern Testing Decoding Algorithm
Ordered Reliability Direct Error Pattern Testing Decoding Algorithm Open
We introduce a novel universal soft-decision decoding algorithm for binary block codes called ordered reliability direct error pattern testing (ORDEPT). Our results, obtained for a variety of popular short high-rate codes, demonstrate that…
View article: Ordered Reliability Direct Error Pattern Testing Decoding Algorithm
Ordered Reliability Direct Error Pattern Testing Decoding Algorithm Open
We propose a new decoding algorithm for binary codes called ordered reliability direct error pattern testing (ORDEPT) which is based on completion of partial error patterns arranged in the order of likelihood. Based on ORDEPT we proposed a…
View article: Optimization of the Non-Linearity Tolerant 4D Geometric Shaped Constellations for Optical Fiber Communication Systems Using Neural Networks
Optimization of the Non-Linearity Tolerant 4D Geometric Shaped Constellations for Optical Fiber Communication Systems Using Neural Networks Open
We propose a novel 4D geometric shaping (GS) method based on multilevel coding (MLC) for optical fiber communication systems that mitigates fiber non-linearity. To design non-linearity tolerant 4D constellations, non-linear interference no…