Unresolvable Identifier

arXiv:2605.16129 · detector doi_compliance · cross_source · 2026-05-19 18:41:04.942292+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1109/tnsm.2024.3389001' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

https://doi.org/10.1109/TNSM.2024.3389001 • Xu, X., Zhou, F., & Niu, B. (2022). Lightweight protocol design for low-power IoT devices in massive MIMO systems. IEEE Internet of Things Journal, 9(12), 8976–8988. https://doi.org/10.1109/JIOT.2022.3161172 • Zhang, J., Chen, Y., & Yang, K. (2021). Adaptive pilot scheduling in massive MIMO for dense IoT environments. IEEE Communications Letters, 25(10), 3125–3129. https://doi.org/10.1109/LCOMM.2021.3083546 • Zhou, F., Wang, Y., & Li, Q. (2020). Machine learning-based beamforming in Massive MIMO for IoT applications. IEEE Wireless Communications Letters, 9(12), 2135–2138. https://doi.org/10.1109/LWC.2020.3018191

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1109/tnsm.2024.3389001",
  "raw_excerpt": "https://doi.org/10.1109/TNSM.2024.3389001 \u2022 Xu, X., Zhou, F., & Niu, B. (2022). Lightweight protocol design for low-power IoT devices in massive MIMO systems. IEEE Internet of Things Journal, 9(12), 8976\u20138988. https://doi.org/10.1109/JIOT.2022.3161172 \u2022 Zhang, J., Chen, Y., & Yang, K. (2021). Adaptive pilot scheduling in massive MIMO for dense IoT environments. IEEE Communications Letters, 25(10),",
  "ref_index": 2,
  "verdict_class": "cross_source"
}