Modulated sparse superposition codes for the complex AWGN channel

K Hsieh, R Venkataramanan - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper studies a generalization of sparse superposition codes (SPARCs) for
communication over the complex additive white Gaussian noise (AWGN) channel. In a …

Near-optimal coding for massive multiple access

K Hsieh, C Rush… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
We study the Gaussian multiple access channel (MAC) in the asymptotic regime where the
number of users grows linearly with the codelength. We analyze coding schemes based on …

Spatially coupled sparse regression codes for single-and multi-user communications

K Hsieh - 2021 - repository.cam.ac.uk
Sparse regression codes (SPARCs) are a class of channel codes for efficient
communication over the single-user additive white Gaussian noise (AWGN) channel at rates …

Sparse Signatures with Forward Error Correction Coding for Non-Orthogonal Massive Access

J Dommel, Z Utkovski, P Popovski… - arXiv preprint arXiv …, 2020 - arxiv.org
In massive connectivity scenarios with short packets, of interest is the regime where users
share wireless resources in a non-orthogonal fashion. Small payloads combined with …