{"id":"https://openalex.org/W2799153081","doi":"https://doi.org/10.1109/acssc.2017.8335701","title":"HiHTP: A custom-tailored hierarchical sparse detector for massive MTC","display_name":"HiHTP: A custom-tailored hierarchical sparse detector for massive MTC","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2799153081","doi":"https://doi.org/10.1109/acssc.2017.8335701","mag":"2799153081"},"language":"en","primary_location":{"id":"doi:10.1109/acssc.2017.8335701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2017.8335701","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 51st Asilomar Conference on Signals, Systems, and Computers","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/A5044286247","display_name":"Gerhard Wunder","orcid":"https://orcid.org/0009-0001-0850-8816"},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Gerhard Wunder","raw_affiliation_strings":["Freie Universit\u00e3t, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Freie Universit\u00e3t, Berlin, Germany","institution_ids":["https://openalex.org/I75951250"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077103790","display_name":"Ingo Roth","orcid":"https://orcid.org/0000-0002-1191-7442"},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ingo Roth","raw_affiliation_strings":["Freie Universit\u00e3t, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Freie Universit\u00e3t, Berlin, Germany","institution_ids":["https://openalex.org/I75951250"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062815664","display_name":"Rick Fritschek","orcid":"https://orcid.org/0000-0002-2485-5500"},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rick Fritschek","raw_affiliation_strings":["Freie Universit\u00e3t, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Freie Universit\u00e3t, Berlin, Germany","institution_ids":["https://openalex.org/I75951250"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039471780","display_name":"Jens Eisert","orcid":"https://orcid.org/0000-0003-3033-1292"},"institutions":[{"id":"https://openalex.org/I75951250","display_name":"Freie Universit\u00e4t Berlin","ror":"https://ror.org/046ak2485","country_code":"DE","type":"education","lineage":["https://openalex.org/I75951250"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jens Eisert","raw_affiliation_strings":["Freie Universit\u00e3t, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Freie Universit\u00e3t, Berlin, Germany","institution_ids":["https://openalex.org/I75951250"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5044286247"],"corresponding_institution_ids":["https://openalex.org/I75951250"],"apc_list":null,"apc_paid":null,"fwci":1.0034,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.79010435,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1929","last_page":"1934"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9998000264167786,"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9993000030517578,"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/detector","display_name":"Detector","score":0.735589325428009},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.7319660782814026},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.7199510335922241},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6972112655639648},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.5924128293991089},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5477636456489563},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5152697563171387},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4754975736141205},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.469843327999115},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3349587917327881},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.33404505252838135},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27554476261138916},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17115938663482666},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14000576734542847},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12105551362037659},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07789334654808044}],"concepts":[{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.735589325428009},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.7319660782814026},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.7199510335922241},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6972112655639648},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.5924128293991089},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5477636456489563},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5152697563171387},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4754975736141205},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.469843327999115},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3349587917327881},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33404505252838135},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27554476261138916},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17115938663482666},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14000576734542847},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12105551362037659},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07789334654808044},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/acssc.2017.8335701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2017.8335701","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 51st Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1979313464","https://openalex.org/W2053072662","https://openalex.org/W2061225176","https://openalex.org/W2067821313","https://openalex.org/W2098110139","https://openalex.org/W2125680629","https://openalex.org/W2158714612","https://openalex.org/W2168744525","https://openalex.org/W2233161854","https://openalex.org/W2406669631","https://openalex.org/W2563996466","https://openalex.org/W2605344455","https://openalex.org/W2963207194","https://openalex.org/W3125735862"],"related_works":["https://openalex.org/W17155033","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W1590307681","https://openalex.org/W2536018345","https://openalex.org/W4312814274","https://openalex.org/W4285370786","https://openalex.org/W2296488620","https://openalex.org/W2888483922","https://openalex.org/W2014501910"],"abstract_inverted_index":{"Recently,":[0],"the":[1,13,44,59,75,118,126],"Hierarchical":[2],"Hard":[3],"Thresholding":[4],"Pursuit":[5],"(HiHTP)":[6],"algorithm":[7],"was":[8],"introduced":[9],"to":[10,58,85],"optimally":[11],"exploit":[12],"hierarchical":[14],"sparsity":[15],"structure":[16],"in":[17,27,100,125],"joint":[18],"user":[19,49],"activity":[20,50],"and":[21,54,80,83,91],"channel":[22],"detection":[23,51],"problems,":[24],"occurring":[25],"e.g.":[26],"5G":[28],"massive":[29],"Massive":[30],"Machine-type":[31],"Communications":[32],"(mMTC)":[33],"scenarios.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38,69,96,130],"take":[39],"a":[40,71],"closer":[41],"look":[42],"at":[43],"performance":[45,57],"of":[46,78,108],"HiHTP":[47,79],"for":[48,74,88],"under":[52],"noise":[53],"relate":[55],"its":[56],"classical":[60],"block":[61,119],"correlation":[62,120],"detector":[63],"with":[64,114,134],"orthogonal":[65],"signatures.":[66],"More":[67],"specifically,":[68],"derive":[70],"lower":[72],"bound":[73],"diversity":[76],"order":[77],"provide":[81],"explicit":[82],"easy":[84],"handle":[86],"formulas":[87],"numerical":[89,135],"evaluations":[90],"(5G)":[92],"system":[93],"designs.":[94],"Furthermore,":[95],"surprisingly":[97],"find":[98],"that":[99],"specific":[101],"parameter":[102],"settings":[103],"nonorthogonal":[104],"pilots,":[105],"i.e.":[106],"pilots":[107],"which":[109,122],"shifted":[110],"versions":[111],"actually":[112],"interfere":[113],"each":[115],"other,":[116],"outperform":[117],"detector,":[121],"is":[123],"optimal":[124],"non-sparse":[127],"situation.":[128],"Finally,":[129],"evaluate":[131],"our":[132],"findings":[133],"examples.":[136]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}