{"id":"https://openalex.org/W4405014945","doi":"https://doi.org/10.1145/3636534.3690704","title":"Uncovering Problematic Designs Hindering Ubiquitous Cellular Emergency Services Access","display_name":"Uncovering Problematic Designs Hindering Ubiquitous Cellular Emergency Services Access","publication_year":2024,"publication_date":"2024-12-04","ids":{"openalex":"https://openalex.org/W4405014945","doi":"https://doi.org/10.1145/3636534.3690704"},"language":"en","primary_location":{"id":"doi:10.1145/3636534.3690704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3636534.3690704","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3636534.3690704","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3636534.3690704","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101847575","display_name":"Yiwen Hu","orcid":"https://orcid.org/0000-0002-8790-5579"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yiwen Hu","raw_affiliation_strings":["Michigan State Univesity, East Lansing, United States"],"affiliations":[{"raw_affiliation_string":"Michigan State Univesity, East Lansing, United States","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059216699","display_name":"Min-Yue Chen","orcid":"https://orcid.org/0000-0002-5059-2302"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Min-Yue Chen","raw_affiliation_strings":["Michigan State University, East Lansing, USA"],"affiliations":[{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101423705","display_name":"Haitian Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Haitian Yan","raw_affiliation_strings":["Michigan State University, East Lansing, United States"],"affiliations":[{"raw_affiliation_string":"Michigan State University, East Lansing, United States","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109909755","display_name":"C.F. Cheng","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chuan-Yi Cheng","raw_affiliation_strings":["National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006027092","display_name":"Guan-Hua Tu","orcid":"https://orcid.org/0000-0002-2542-4817"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guan-Hua Tu","raw_affiliation_strings":["Michigan State University, East Lansing, United States"],"affiliations":[{"raw_affiliation_string":"Michigan State University, East Lansing, United States","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101531317","display_name":"Chi-Yu Li","orcid":"https://orcid.org/0000-0002-1077-6801"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chi-Yu Li","raw_affiliation_strings":["National Yang Ming Chiao Tung University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Yang Ming Chiao Tung University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067723727","display_name":"Tian Xie","orcid":"https://orcid.org/0000-0003-1309-6091"},"institutions":[{"id":"https://openalex.org/I121980950","display_name":"Utah State University","ror":"https://ror.org/00h6set76","country_code":"US","type":"education","lineage":["https://openalex.org/I121980950"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tian Xie","raw_affiliation_strings":["Utah State University, Logan, United States"],"affiliations":[{"raw_affiliation_string":"Utah State University, Logan, United States","institution_ids":["https://openalex.org/I121980950"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059605898","display_name":"Chunyi Peng","orcid":"https://orcid.org/0000-0003-2945-4981"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chunyi Peng","raw_affiliation_strings":["Purdue University, West Lafayette, United States"],"affiliations":[{"raw_affiliation_string":"Purdue University, West Lafayette, United States","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100630881","display_name":"Li Xiao","orcid":"https://orcid.org/0000-0003-2861-8438"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Li Xiao","raw_affiliation_strings":["Michigan State University, East Lansing, USA"],"affiliations":[{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040639891","display_name":"Jiliang Tang","orcid":"https://orcid.org/0000-0001-7125-3898"},"institutions":[{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiliang Tang","raw_affiliation_strings":["Michigan State University, East Lansing, USA"],"affiliations":[{"raw_affiliation_string":"Michigan State University, East Lansing, USA","institution_ids":["https://openalex.org/I87216513"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5101847575"],"corresponding_institution_ids":["https://openalex.org/I87216513"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.25127701,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1455","last_page":"1469"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6411062479019165},{"id":"https://openalex.org/keywords/ubiquitous-computing","display_name":"Ubiquitous computing","score":0.44208696484565735},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.39302733540534973},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.21590089797973633}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6411062479019165},{"id":"https://openalex.org/C172195944","wikidata":"https://www.wikidata.org/wiki/Q541265","display_name":"Ubiquitous computing","level":2,"score":0.44208696484565735},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.39302733540534973},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.21590089797973633}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3636534.3690704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3636534.3690704","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3636534.3690704","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3636534.3690704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3636534.3690704","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3636534.3690704","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 30th Annual International Conference on Mobile Computing and Networking","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3924836567","display_name":null,"funder_award_id":"CNS-2321416","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4421082057","display_name":null,"funder_award_id":"CNS-2246051","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6044453978","display_name":null,"funder_award_id":"CNS-2226888","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G7141388673","display_name":null,"funder_award_id":"CNS-2246050","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4405014945.pdf"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W95608104","https://openalex.org/W1514607493","https://openalex.org/W1973938051","https://openalex.org/W2115309705","https://openalex.org/W2147982176","https://openalex.org/W2496958569","https://openalex.org/W2725494835","https://openalex.org/W2759999573","https://openalex.org/W2766597550","https://openalex.org/W2792636363","https://openalex.org/W2809727329","https://openalex.org/W2929535634","https://openalex.org/W2946869648","https://openalex.org/W2952686460","https://openalex.org/W2952782444","https://openalex.org/W2987215725","https://openalex.org/W2998474768","https://openalex.org/W3036146882","https://openalex.org/W3038441907","https://openalex.org/W3046918521","https://openalex.org/W3174421648","https://openalex.org/W3213858345","https://openalex.org/W4210493863","https://openalex.org/W4281887623","https://openalex.org/W4284879254","https://openalex.org/W4289536768","https://openalex.org/W4290990945","https://openalex.org/W4306179618"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Cellular":[0],"networks":[1],"provide":[2],"the":[3,47,83],"most":[4],"accessible":[5],"emergency":[6,31,53,69,87,102,112],"services":[7],"with":[8],"ubiquitous":[9,48],"coverage,":[10,63],"yet":[11],"their":[12,140],"emergency-specific":[13,37],"designs":[14],"remain":[15],"largely":[16],"unexplored.":[17],"To":[18],"systematically":[19],"explore":[20],"potential":[21],"design":[22,84,90],"defects":[23,91,118],"that":[24],"lead":[25],"to":[26,80],"failures":[27],"or":[28,76],"delays":[29],"in":[30,82],"services,":[32],"we":[33,135],"introduce":[34],"M911-Verifier,":[35],"an":[36],"model":[38],"checking":[39],"tool.":[40],"It":[41],"reveals":[42],"many":[43],"counterintuitive":[44],"findings":[45],"regarding":[46],"access":[49],"support":[50],"for":[51,100],"cellular":[52,86],"services.":[54,88],"Our":[55],"study":[56],"shows":[57],"that,":[58],"despite":[59],"sufficient":[60],"wireless":[61],"signal":[62],"users":[64],"may":[65],"still":[66],"experience":[67],"prolonged":[68],"call":[70,73,77,105],"setup":[71],"times,":[72],"initiation":[74],"failures,":[75],"drops":[78],"due":[79],"flaws":[81],"of":[85,116],"These":[89],"arise":[92],"from":[93],"three":[94,124],"major":[95],"causes:":[96],"problematic":[97],"network":[98,108],"selection":[99],"initiating":[101],"calls,":[103],"emergency-unaware":[104],"operation,":[106],"and":[107,127,138],"escalation":[109],"forbidden":[110],"during":[111],"calls.":[113],"The":[114],"impacts":[115],"these":[117],"have":[119],"been":[120],"experimentally":[121],"validated":[122],"across":[123],"U.S.":[125],"carriers":[126,130],"two":[128],"Taiwan":[129],"using":[131],"commodity":[132],"smartphones.":[133],"Finally,":[134],"propose":[136],"solutions":[137],"evaluate":[139],"effectiveness.":[141]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}