{
  "abstract": "This paper presents wideband indoor channel measurements and measurement-based statistical modeling of channel parameters in the upper 6 GHz (U6G) band using directional and quasi-omnidirectional antenna pairs. Measurements span 6.425-7.125 GHz at 32 matched positions per configuration in an open hall and an L-shaped corridor. System calibration and frequency-dependent peak-gain normalization retain antenna radiation-pattern weighting. Close-in and floating-intercept models are fitted to line-of-sight (LOS) and non-LOS (NLOS) path loss, respectively. Shadow-fading residuals, RMS delay spread (DS), and equivalent K factors derived from power delay profiles are characterized. LOS exponents range from 1.98 to 2.14. Despite similar attenuation slopes, directional links exhibit smaller LOS residuals and DS and higher equivalent K factors. Hall DS medians are 1.78 and 36.52 ns for directional and quasi-omnidirectional links. Corridor NLOS slopes are -1.12 and 2.54, respectively, while DS ordering varies by position. These results characterize antenna-dependent parameters for U6G indoor channels.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.14890",
  "author_total": 9,
  "authors": [
    {
      "name": "Chengsong Fu"
    },
    {
      "name": "Hongbo Zhao"
    },
    {
      "name": "Jianer Zhou"
    },
    {
      "name": "Xiongbin Yu"
    },
    {
      "name": "Weichao Li"
    },
    {
      "name": "Chen Zhuang"
    },
    {
      "name": "Meng Li"
    },
    {
      "name": "Wenquan Feng"
    },
    {
      "name": "Xiaofeng Tao"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/2wk6kjyxxzeez.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.14890",
  "fulltext_url": null,
  "id": "2wk6kjyxxzeez",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.14890",
  "language": null,
  "licence": "CC-BY-NC-SA-4.0",
  "licence_label": "CC BY-NC-SA 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cs.ET"
    ],
    [
      "arxiv",
      "cs.IT"
    ],
    [
      "arxiv",
      "math.IT"
    ],
    [
      "openalex",
      "2208|Millimeter-Wave Propagation and Modeling"
    ]
  ],
  "openalex": "W7221817877",
  "pdf_url": "https://arxiv.org/pdf/2610.14890",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-14",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/2wk6kjyxxzeez.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:29:35Z",
      "native_id": "2610.14890",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.14890"
    }
  ],
  "subjects": [
    {
      "field": "mathematics",
      "origin": "arxiv:math.IT",
      "subfield": "general"
    }
  ],
  "title": "Directional and Quasi-Omnidirectional Indoor Channel Measurements at Upper 6 GHz",
  "title_text": "Directional and Quasi-Omnidirectional Indoor Channel Measurements at Upper 6 GHz",
  "type": "preprint",
  "updated_at": "2026-10-30T12:29:35Z",
  "url": "https://research.draconitic.com/paper/2wk6kjyxxzeez",
  "venue": "arXiv",
  "versions": []
}