{
  "abstract": "Guessing Random Additive Noise Decoding-Aided Macrosymbol (GRAND-AM) provides a coding-based solution for non-orthogonal multiple access (NOMA) systems, enabling joint multiuser detection and error correction. GRAND-AM outperforms prior methods in symbol error rates while providing hard-detection output. We introduce soft-output GRAND-AM (SOGRAND-AM), a macrosymbol-level joint multiuser detection and decoding framework which generates calibrated bitwise a posteriori error probabilities. SOGRAND-AM extends GRAND-AM by enabling soft-decision outer forward error correction decoders, transparently integrating with existing decoders. SOGRAND-AM achieves approximately 2 dB improvement in bit error rate at the output of the outer soft-input decoder compared to hard input with GRAND-AM.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.33830",
  "author_total": 4,
  "authors": [
    {
      "name": "Sarah Khalifeh"
    },
    {
      "name": "Alexander Mariona"
    },
    {
      "name": "Ken R. Duffy"
    },
    {
      "name": "Muriel Medard"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/8168mrtd4xag4.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.33830",
  "fulltext_url": null,
  "id": "8168mrtd4xag4",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.33830",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cs.IT"
    ],
    [
      "arxiv",
      "math.IT"
    ],
    [
      "openalex",
      "2208|Advanced Wireless Communication Technologies"
    ]
  ],
  "openalex": "W7214791250",
  "pdf_url": "https://arxiv.org/pdf/2609.33830",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-27",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/8168mrtd4xag4.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:25:17Z",
      "native_id": "2609.33830",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.33830"
    }
  ],
  "subjects": [
    {
      "field": "mathematics",
      "origin": "arxiv:math.IT",
      "subfield": "general"
    }
  ],
  "title": "Soft-Output GRAND-Aided Macrosymbol",
  "title_text": "Soft-Output GRAND-Aided Macrosymbol",
  "type": "preprint",
  "updated_at": "2026-10-30T12:25:17Z",
  "url": "https://research.draconitic.com/paper/8168mrtd4xag4",
  "venue": "arXiv",
  "versions": []
}