{"id":"https://openalex.org/W1535605554","doi":"https://doi.org/10.1007/978-0-387-35618-1_18","title":"Very Tight Coupling of Wireless LANs and UMTS Networks: A Technical Challenge and an Opportunity for Mobile Operators","display_name":"Very Tight Coupling of Wireless LANs and UMTS Networks: A Technical Challenge and an Opportunity for Mobile Operators","publication_year":2003,"publication_date":"2003-01-01","ids":{"openalex":"https://openalex.org/W1535605554","doi":"https://doi.org/10.1007/978-0-387-35618-1_18","mag":"1535605554"},"language":"en","primary_location":{"id":"doi:10.1007/978-0-387-35618-1_18","is_oa":true,"landing_page_url":"https://doi.org/10.1007/978-0-387-35618-1_18","pdf_url":"https://link.springer.com/content/pdf/10.1007/978-0-387-35618-1_18.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile and Wireless Communications","raw_type":"book-chapter"},"type":"book-chapter","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://link.springer.com/content/pdf/10.1007/978-0-387-35618-1_18.pdf","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057380838","display_name":"M. Litzenburger","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Manfred Litzenburger","raw_affiliation_strings":["Alcatel Research and Innovations, D-70430, Stuttgart, Germany","Alcatel Research and Innovations"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Research and Innovations, D-70430, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel Research and Innovations","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110620123","display_name":"H.C.M. de Bakker","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hajo Bakker","raw_affiliation_strings":["Alcatel Research and Innovations, D-70430, Stuttgart, Germany","Alcatel Research and Innovations"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Research and Innovations, D-70430, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel Research and Innovations","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008256514","display_name":"Stephen Kaminski","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stephen Kaminski","raw_affiliation_strings":["Alcatel Research and Innovations, D-70430, Stuttgart, Germany","Alcatel Research and Innovations"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Research and Innovations, D-70430, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel Research and Innovations","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081811085","display_name":"K. Keil","orcid":null},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Klaus Keil","raw_affiliation_strings":["Alcatel Research and Innovations, D-70430, Stuttgart, Germany","Alcatel Research and Innovations"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Research and Innovations, D-70430, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel Research and Innovations","institution_ids":["https://openalex.org/I1322087612"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1322087612"],"apc_list":null,"apc_paid":null,"fwci":0.303,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.62218404,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"151","last_page":"158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9965999722480774,"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":0.9965999722480774,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9930999875068665,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.991599977016449,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/hiperlan","display_name":"HiperLAN","score":0.9447718262672424},{"id":"https://openalex.org/keywords/umts-frequency-bands","display_name":"UMTS frequency bands","score":0.7070047855377197},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6883165836334229},{"id":"https://openalex.org/keywords/gsm","display_name":"GSM","score":0.6268378496170044},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5678048729896545},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4868595004081726},{"id":"https://openalex.org/keywords/wi-fi","display_name":"Wi-Fi","score":0.4841757118701935},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.44368869066238403},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4126179814338684},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.3870677351951599},{"id":"https://openalex.org/keywords/wireless-lan","display_name":"Wireless lan","score":0.3728353977203369}],"concepts":[{"id":"https://openalex.org/C2781379802","wikidata":"https://www.wikidata.org/wiki/Q1563708","display_name":"HiperLAN","level":4,"score":0.9447718262672424},{"id":"https://openalex.org/C101618186","wikidata":"https://www.wikidata.org/wiki/Q3633928","display_name":"UMTS frequency bands","level":2,"score":0.7070047855377197},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6883165836334229},{"id":"https://openalex.org/C59201141","wikidata":"https://www.wikidata.org/wiki/Q46904","display_name":"GSM","level":2,"score":0.6268378496170044},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5678048729896545},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4868595004081726},{"id":"https://openalex.org/C508800617","wikidata":"https://www.wikidata.org/wiki/Q29643","display_name":"Wi-Fi","level":4,"score":0.4841757118701935},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.44368869066238403},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4126179814338684},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.3870677351951599},{"id":"https://openalex.org/C2985434377","wikidata":"https://www.wikidata.org/wiki/Q212607","display_name":"Wireless lan","level":3,"score":0.3728353977203369}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-0-387-35618-1_18","is_oa":true,"landing_page_url":"https://doi.org/10.1007/978-0-387-35618-1_18","pdf_url":"https://link.springer.com/content/pdf/10.1007/978-0-387-35618-1_18.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile and Wireless Communications","raw_type":"book-chapter"}],"best_oa_location":{"id":"doi:10.1007/978-0-387-35618-1_18","is_oa":true,"landing_page_url":"https://doi.org/10.1007/978-0-387-35618-1_18","pdf_url":"https://link.springer.com/content/pdf/10.1007/978-0-387-35618-1_18.pdf","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mobile and Wireless Communications","raw_type":"book-chapter"},"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1535605554.pdf","grobid_xml":"https://content.openalex.org/works/W1535605554.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W1973567835"],"related_works":["https://openalex.org/W2330816391","https://openalex.org/W2129945940","https://openalex.org/W2117764549","https://openalex.org/W4234088189","https://openalex.org/W2127857393","https://openalex.org/W1978462898","https://openalex.org/W2545444790","https://openalex.org/W2080137210","https://openalex.org/W2127646046","https://openalex.org/W2078961610"],"abstract_inverted_index":{"Coupling":[0,124],"of":[1,30,109],"Wireless":[2],"LANs":[3],"like":[4,16],"IEEE":[5],"802.11a/b":[6],"or":[7,18],"HIPERLAN/2":[8],"systems":[9],"with":[10,37,65],"Public":[11],"Land":[12],"Mobile":[13],"Networks":[14],"(PLMNs)":[15],"GSM":[17],"UMTS":[19],"offers":[20],"benefits":[21],"for":[22,45],"both":[23],"operators":[24],"and":[25,28,70,82,121,136,146],"users.":[26],"Coverage":[27],"capacity":[29],"an":[31],"operator\u2019s":[32],"network":[33],"can":[34,51],"be":[35,41,73,90],"extended":[36],"equipment":[38],"expected":[39,55],"to":[40,63,101],"considerably":[42],"cheaper":[43],"than":[44],"PLMN":[46],"coverage.":[47],"Thus,":[48],"the":[49,54,116,126],"operator":[50],"participate":[52],"in":[53,92,105,151],"WLAN":[56,127],"boom.":[57],"Its":[58],"customer":[59],"experiences":[60],"homogenous":[61],"access":[62],"services":[64],"high":[66,83,97],"data":[67,98],"rate.":[68],"PLMNs":[69,78,135],"WLANs":[71,88,137],"should":[72],"considered":[74],"as":[75],"complementary":[76],"systems:":[77],"provide":[79],"universal":[80],"coverage":[81],"mobility":[84],"support,":[85],"while":[86],"pico-cellular":[87],"will":[89],"applied":[91],"hot":[93],"spot":[94],"areas,":[95],"offering":[96],"rates":[99],"(up":[100],"about":[102],"45":[103],"Mbit/s/cell":[104],"HIPERLAN/2).":[106],"Several":[107],"levels":[108],"interworking":[110],"are":[111,138,149],"currently":[112],"being":[113],"defined":[114],"by":[115],"relevant":[117],"standardisation":[118],"bodies.":[119],"Tight":[120,123],"Very":[122],"integrate":[125],"into":[128],"a":[129],"unified":[130],"Radio":[131],"Access":[132],"Network.":[133],"But":[134],"based":[139],"on":[140],"different":[141],"design":[142],"philosophies.":[143],"Chances,":[144],"problems,":[145],"possible":[147],"solutions":[148],"discussed":[150],"this":[152],"paper.":[153]},"counts_by_year":[],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}