8 papers · 1 filter
Performance Analysis and Optimal Design of ORB-Type GRAND Algorithms
Li Wan, Wenyi Zhang
Guessing Random Additive Noise Decoding (GRAND) performs decoding by sequentially guessing channel error patterns (EPs). Ordered Reliability Bits GRAND (ORBGRAND) is a notable inst…
GRAND for Gaussian Intersymbol Interference Channels
Zhuang Li, Wenyi Zhang
Channel decoding is challenging in communication channels exhibiting memory effects. In this work, we extend the recently proposed decoding paradigm of guessing random additive noi…
A Finite-Blocklength Analysis for ORBGRAND
Zhuang Li, Wenyi Zhang
Within the Guessing Random Additive Noise Decoding (GRAND) family, ordered reliability bits GRAND (ORBGRAND) offers hardware-friendly use of soft information. Existing information-…
Reducing ORBGRAND Latency via Partial Gaussian Elimination
Li Wan, Wenyi Zhang
Guessing Random Additive Noise Decoding (GRAND) is a universal framework for decoding all block codes by testing candidate error patterns (EPs). Ordered Reliability Bits GRAND (ORB…
ORBGRAND Is Exactly Capacity-achieving via Rank Companding
Zhuang Li, Wenyi Zhang
Within the family of guessing-based decoding algorithms, ordered reliability bits GRAND (ORBGRAND) has attracted considerable attention due to its efficient use of soft information…
A Parallelization Strategy for GRAND with Optimality Guarantee by Exploiting Error Pattern Tree Representation
Li Wan, Huarui Yin, Wenyi Zhang
Parallelism has become a central concern in modern decoding frameworks aiming to meet stringent throughput and latency requirements. Guessing Random Additive Noise Decoding (GRAND)…
Fine-tuning ORBGRAND with Very Few Channel Soft Values
Li Wan, Huarui Yin, Wenyi Zhang
Guessing random additive noise decoding (GRAND) is a universal decoding paradigm that decodes by repeatedly testing error patterns until identifying a codeword, where the ordering…
ORBGRAND: Achievable Rate for General Bit Channels and Application in BICM
Zhuang Li, Wenyi Zhang
Guessing random additive noise decoding (GRAND) has received widespread attention recently, and among its variants, ordered reliability bits GRAND (ORBGRAND) is particularly attrac…