{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T21:26:13Z","timestamp":1771104373262,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2025,8,9]],"date-time":"2025-08-09T00:00:00Z","timestamp":1754697600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Telemonitoring of Patients at Risk (TERI)","award":["PALOP\/BD\/155059\/2024"],"award-info":[{"award-number":["PALOP\/BD\/155059\/2024"]}]},{"name":"Telemonitoring of Patients at Risk (TERI)","award":["UID\/50008"],"award-info":[{"award-number":["UID\/50008"]}]},{"name":"Telemonitoring of Patients at Risk (TERI)","award":["UI\/BD\/150923\/2021"],"award-info":[{"award-number":["UI\/BD\/150923\/2021"]}]},{"name":"COMPETE 2020 through the European Regional Development Fund (FEDER)\u2014Public Administration Capacity Building Operations (PI 11.1)","award":["PALOP\/BD\/155059\/2024"],"award-info":[{"award-number":["PALOP\/BD\/155059\/2024"]}]},{"name":"COMPETE 2020 through the European Regional Development Fund (FEDER)\u2014Public Administration Capacity Building Operations (PI 11.1)","award":["UID\/50008"],"award-info":[{"award-number":["UID\/50008"]}]},{"name":"COMPETE 2020 through the European Regional Development Fund (FEDER)\u2014Public Administration Capacity Building Operations (PI 11.1)","award":["UI\/BD\/150923\/2021"],"award-info":[{"award-number":["UI\/BD\/150923\/2021"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia, I.P. 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This study presents a detailed radio spectrum measurement campaign conducted at the Cova da Beira University Hospital Center (CHUCB), using the NARDA SRM-3006 and R&amp;S\u00aeTSME6 equipment. The signal strength and quality of 5G NR, LTE, UMTS, and NB-IoT technologies were evaluated. Critical coverage gaps were identified, particularly at points 17, 19, and 21. Results revealed that operators MEO and NOS dominate coverage, with MEO providing better 5G NR coverage and NOS excelling in LTE signal quality. Based on the results, the localized installation of femtocells is proposed to improve coverage in these areas. The approach was designed to be scalable and replicable, with a planned application at Cumura Hospital (Guinea-Bissau), reinforcing the applicability of the solution in contexts with limited infrastructure. This work provides both technical and clinical contributions to achieving ubiquitous cellular coverage in healthcare settings.<\/jats:p>","DOI":"10.3390\/s25164933","type":"journal-article","created":{"date-parts":[[2025,8,11]],"date-time":"2025-08-11T09:59:13Z","timestamp":1754906353000},"page":"4933","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Radio Coverage Assessment and Indoor Communication Enhancement in Hospitals: A Case Study at CHUCB"],"prefix":"10.3390","volume":"25","author":[{"given":"\u00d3scar","family":"Silva","sequence":"first","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"},{"name":"Departamento de Engenharia Eletromec\u00e2nica, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"}]},{"given":"Emanuel Bordalo","family":"Teixeira","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"},{"name":"Departamento de Engenharia Eletromec\u00e2nica, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0502-7953","authenticated-orcid":false,"given":"Ana","family":"Corceiro","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Eletromec\u00e2nica, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"}]},{"given":"Antonio D.","family":"Reis","sequence":"additional","affiliation":[{"name":"Departamento de F\u00edsica, Faculdade de Ci\u00eancias; Universidade da Beira Interior, Rua Marqu\u00eas d\u2019\u00c1vila e Bolama, 6201-001 Covilh\u00e3, Portugal"}]},{"given":"Fernando J.","family":"Velez","sequence":"additional","affiliation":[{"name":"Instituto de Telecomunica\u00e7\u00f5es, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"},{"name":"Departamento de Engenharia Eletromec\u00e2nica, Faculdade de Engenharia, Universidade da Beira Interior, Cal\u00e7ada Fonte do Lameiro, 6201-001 Covilh\u00e3, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,9]]},"reference":[{"key":"ref_1","unstructured":"da \u00d3scar, S. 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