{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T14:48:02Z","timestamp":1753886882517,"version":"3.41.2"},"reference-count":25,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T00:00:00Z","timestamp":1525910400000},"content-version":"vor","delay-in-days":129,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002855","name":"Ministry of Science and Technology of the People's Republic of China","doi-asserted-by":"publisher","award":["2018ZX030110004"],"award-info":[{"award-number":["2018ZX030110004"]}],"id":[{"id":"10.13039\/501100002855","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Wireless Communications and Mobile Computing"],"published-print":{"date-parts":[[2018,1]]},"abstract":"<jats:p>An attractive architecture called heterogeneous cloud radio access networks (H\u2010CRAN) becomes one of the important components of 5G networks, which can provide ubiquitous high\u2010bandwidth services with flexible network construction. However, massive access nodes increase the risk of cell outages, leading to negative impact on user\u2010perceived QoS (Quality of Service) and QoE (Quality of Experience). Thus, cell outage management (COM) became a key function proposed in SON (Self\u2010Organized Networks) use cases. Based on COM, cell outage detection (COD) will be resolved before cell outage compensation (COC). Currently few studies concentrate on COD for 5G H\u2010CRAN, and we propose self\u2010organized COD architecture and approach for it. We firstly summarize current COD solutions for LTE\/LTE\u2010A HetNets and then introduce self\u2010organized architecture and approach suitable for H\u2010CRAN, which includes COD architecture and procedures, and corresponding key technologies for it. Based on the architecture, we take a use case with handover data analysis using modified LOF (Local Outlier Factor) detection approach to detect outage for different kinds of cells in H\u2010CRAN. Results show that the proposed approach can identify the outage cell effectively.<\/jats:p>","DOI":"10.1155\/2018\/6201386","type":"journal-article","created":{"date-parts":[[2018,5,10]],"date-time":"2018-05-10T23:31:21Z","timestamp":1525995081000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Self\u2010Organized Cell Outage Detection Architecture and Approach for 5G H\u2010CRAN"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0402-5390","authenticated-orcid":false,"given":"Peng","family":"Yu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4158-6517","authenticated-orcid":false,"given":"Fanqin","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tao","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3852-1007","authenticated-orcid":false,"given":"Wenjing","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3494-5590","authenticated-orcid":false,"given":"Lei","family":"Feng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7899-539X","authenticated-orcid":false,"given":"Xuesong","family":"Qiu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,5,10]]},"reference":[{"key":"e_1_2_8_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2016.7470940"},{"key":"e_1_2_8_2_2","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2548658"},{"key":"e_1_2_8_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/mnet.2015.7064897"},{"key":"e_1_2_8_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2017.1600139WC"},{"key":"e_1_2_8_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/SURV.2012.021312.00116"},{"key":"e_1_2_8_6_2","doi-asserted-by":"publisher","DOI":"10.1109\/mcom.2016.7378435"},{"key":"e_1_2_8_7_2","doi-asserted-by":"crossref","unstructured":"AmirijooM. 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