{"id":"https://openalex.org/W1574260077","doi":"https://doi.org/10.1109/icc.2015.7248738","title":"Active user detection and channel estimation in uplink CRAN systems","display_name":"Active user detection and channel estimation in uplink CRAN systems","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W1574260077","doi":"https://doi.org/10.1109/icc.2015.7248738","mag":"1574260077"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2015.7248738","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2015.7248738","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5119268628","display_name":"Xiao Xu","orcid":"https://orcid.org/0000-0003-4062-1357"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiao Xu","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, China","[Dept. of Electronic Engineering, Tsinghua University, China]"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"[Dept. of Electronic Engineering, Tsinghua University, China]","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090501665","display_name":"Xiongbin Rao","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xiongbin Rao","raw_affiliation_strings":["Department of ECE, Hong Kong University of Science and Technology, Hong Kong","[Dept. of ECE, The Hong Kong University of Science and Technology, Hong Kong]"],"affiliations":[{"raw_affiliation_string":"Department of ECE, Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"[Dept. of ECE, The Hong Kong University of Science and Technology, Hong Kong]","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073153992","display_name":"Vincent K. N. Lau","orcid":"https://orcid.org/0000-0001-7769-6008"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Vincent K.N. Lau","raw_affiliation_strings":["Department of ECE, Hong Kong University of Science and Technology, Hong Kong","[Dept. of ECE, The Hong Kong University of Science and Technology, Hong Kong]"],"affiliations":[{"raw_affiliation_string":"Department of ECE, Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"[Dept. of ECE, The Hong Kong University of Science and Technology, Hong Kong]","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5119268628"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":6.0219,"has_fulltext":false,"cited_by_count":108,"citation_normalized_percentile":{"value":0.9655026,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"2727","last_page":"2732"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9988999962806702,"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/telecommunications-link","display_name":"Telecommunications link","score":0.9074965715408325},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7714540958404541},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6612263917922974},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.602776050567627},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5176241993904114},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.47906097769737244},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.41797590255737305},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2221403419971466}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.9074965715408325},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7714540958404541},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6612263917922974},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.602776050567627},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5176241993904114},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.47906097769737244},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.41797590255737305},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2221403419971466},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc.2015.7248738","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2015.7248738","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-75866","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-75866","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5299999713897705}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1633751774","https://openalex.org/W1974774078","https://openalex.org/W1986931325","https://openalex.org/W2013923453","https://openalex.org/W2024749214","https://openalex.org/W2071284784","https://openalex.org/W2098386043","https://openalex.org/W2107926099","https://openalex.org/W2114103671","https://openalex.org/W2125838225","https://openalex.org/W2125924200","https://openalex.org/W2127271355","https://openalex.org/W2164696938","https://openalex.org/W4285719527","https://openalex.org/W6636690510","https://openalex.org/W6678928287"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W2372188366","https://openalex.org/W2799270999","https://openalex.org/W4280499399"],"abstract_inverted_index":{"Cloud":[0],"Radio":[1],"Access":[2],"Network":[3],"(CRAN)":[4],"is":[5],"proposed":[6,73],"as":[7],"a":[8,68,109],"promising":[9],"network":[10],"architecture":[11],"for":[12],"future":[13],"mobile":[14],"communications.":[15],"In":[16],"this":[17,91],"paper,":[18],"we":[19,93],"consider":[20],"the":[21,49,57,62,77,83,96,127,133,140],"topic":[22],"of":[23,51,59,64,85,98],"active":[24,38,128],"user":[25,129],"detection":[26],"(AUD)":[27],"and":[28,44,100,119,139],"channel":[29],"estimation":[30],"(CE)":[31],"in":[32,121,144],"uplink":[33,52,78,146],"CRAN":[34,147],"systems":[35],"with":[36,56],"sparse":[37],"users.":[39],"Different":[40],"from":[41],"conventional":[42],"AUD":[43,99,118],"CE":[45,101,120],"approaches":[46],"which":[47,123],"require":[48],"length":[50],"pilots":[53],"to":[54,74,116],"scale":[55],"number":[58,63],"users":[60],"times":[61],"antennas":[65],"per":[66],"user,":[67],"novel":[69],"algorithm":[70,115],"will":[71],"be":[72],"substantially":[75],"reduce":[76],"training":[79],"overhead":[80],"by":[81],"leveraging":[82],"technique":[84],"compressive":[86,112],"sensing":[87,113],"(CS).":[88],"To":[89],"achieve":[90],"goal,":[92],"first":[94],"transform":[95],"problem":[97],"into":[102],"standard":[103],"CS":[104],"problems.":[105],"We":[106],"then":[107],"propose":[108],"modified":[110],"Bayesian":[111],"(BCS)":[114],"conduct":[117],"CRAN,":[122],"exploits":[124],"not":[125],"only":[126],"sparsity,":[130],"but":[131],"also":[132],"innate":[134],"heterogeneous":[135],"path":[136],"loss":[137],"effects":[138],"joint":[141],"sparsity":[142],"structures":[143],"multi-antenna":[145],"systems.":[148]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":24},{"year":2019,"cited_by_count":15},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":2}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
