{"id":"https://openalex.org/W2132322974","doi":"https://doi.org/10.1186/1687-1499-2014-222","title":"Exploiting a priori information for iterative channel estimation in block-fading amplify-and-forward cooperative networks","display_name":"Exploiting a priori information for iterative channel estimation in block-fading amplify-and-forward cooperative networks","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W2132322974","doi":"https://doi.org/10.1186/1687-1499-2014-222","mag":"2132322974"},"language":"en","primary_location":{"id":"doi:10.1186/1687-1499-2014-222","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-222","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-222","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-222","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021419527","display_name":"Nico Aerts","orcid":null},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Nico Aerts","raw_affiliation_strings":["TELIN, UGent, Gent, 9000, Belgium","TELIN, UGent, Gent, Belgium"],"affiliations":[{"raw_affiliation_string":"TELIN, UGent, Gent, 9000, Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"TELIN, UGent, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024813191","display_name":"Iancu Avram","orcid":null},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Iancu Avram","raw_affiliation_strings":["TELIN, UGent, Gent, 9000, Belgium","TELIN, UGent, Gent, Belgium"],"affiliations":[{"raw_affiliation_string":"TELIN, UGent, Gent, 9000, Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"TELIN, UGent, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025215036","display_name":"Marc Moeneclaey","orcid":"https://orcid.org/0000-0002-0759-7140"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Marc Moeneclaey","raw_affiliation_strings":["TELIN, UGent, Gent, 9000, Belgium","TELIN, UGent, Gent, Belgium"],"affiliations":[{"raw_affiliation_string":"TELIN, UGent, Gent, 9000, Belgium","institution_ids":["https://openalex.org/I32597200"]},{"raw_affiliation_string":"TELIN, UGent, Gent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5021419527"],"corresponding_institution_ids":["https://openalex.org/I32597200"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17732692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2014","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9987999796867371,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9983999729156494,"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/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.843761682510376},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7935498356819153},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6371181011199951},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5457496047019958},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5163965821266174},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5007476806640625},{"id":"https://openalex.org/keywords/maximum-a-posteriori-estimation","display_name":"Maximum a posteriori estimation","score":0.4702174663543701},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.42469531297683716},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.42035001516342163},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3872969448566437},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2921450734138489},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19571879506111145},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19189980626106262},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.1556403636932373}],"concepts":[{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.843761682510376},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7935498356819153},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6371181011199951},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5457496047019958},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5163965821266174},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5007476806640625},{"id":"https://openalex.org/C9810830","wikidata":"https://www.wikidata.org/wiki/Q635384","display_name":"Maximum a posteriori estimation","level":3,"score":0.4702174663543701},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.42469531297683716},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.42035001516342163},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3872969448566437},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2921450734138489},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19571879506111145},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19189980626106262},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.1556403636932373},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1186/1687-1499-2014-222","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-222","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-222","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:archive.ugent.be:5828120","is_oa":true,"landing_page_url":"https://biblio.ugent.be/publication/5828120","pdf_url":"https://biblio.ugent.be/publication/5828120/file/5847148.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 1687-1499","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"doi:10.1186/1687-1499-2014-222","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-222","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-222","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321454","display_name":"Belgian Federal Science Policy Office","ror":"https://ror.org/01fapfv42"},{"id":"https://openalex.org/F4320321730","display_name":"Fonds Wetenschappelijk Onderzoek","ror":"https://ror.org/03qtxy027"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2132322974.pdf","grobid_xml":"https://content.openalex.org/works/W2132322974.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W590686347","https://openalex.org/W1505940948","https://openalex.org/W1550121379","https://openalex.org/W1996784277","https://openalex.org/W2048471822","https://openalex.org/W2049633694","https://openalex.org/W2057718665","https://openalex.org/W2072018618","https://openalex.org/W2076175864","https://openalex.org/W2119683113","https://openalex.org/W2130396847","https://openalex.org/W2137813581","https://openalex.org/W2148963518","https://openalex.org/W2152121970","https://openalex.org/W2152929008","https://openalex.org/W2161623414","https://openalex.org/W2168990175","https://openalex.org/W2798333393","https://openalex.org/W2942537621","https://openalex.org/W2988353622","https://openalex.org/W3125980728","https://openalex.org/W3129711340","https://openalex.org/W3140827778","https://openalex.org/W3151396071","https://openalex.org/W4248676392"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2030191005","https://openalex.org/W1865172210","https://openalex.org/W2027568561","https://openalex.org/W2150865841","https://openalex.org/W2138865713","https://openalex.org/W2169353922"],"abstract_inverted_index":{"In":[0],"an":[1],"amplify-and-forward":[2],"cooperative":[3],"network,":[4],"a":[5,10,26,53,77],"closed-form":[6],"expression":[7],"of":[8,13,17,52,61,75],"the":[9,14,18,59,98,107],"priori":[11,27,54],"distribution":[12],"complex-valued":[15],"gain":[16,43],"global":[19],"relay":[20],"channel":[21,42,55],"is":[22,29,93],"intractable,":[23],"so":[24],"that":[25,49],"information":[28,56],"often":[30],"not":[31,62],"exploited":[32],"for":[33],"estimating":[34],"this":[35],"gain.":[36],"Here,":[37],"we":[38],"present":[39],"two":[40],"iterative":[41],"and":[44,57,80],"noise":[45],"variance":[46],"estimation":[47,79],"algorithms":[48,72],"make":[50],"use":[51],"exploit":[58],"presence":[60],"only":[63,101],"pilot":[64,102],"symbols":[65,103],"but":[66],"also":[67],"unknown":[68],"data":[69],"symbols.":[70],"These":[71],"are":[73,104],"approximations":[74],"maximum":[76],"posteriori":[78],"linear":[81],"minimum":[82],"mean-square":[83],"error":[84,91],"estimation,":[85],"respectively.":[86],"A":[87],"substantially":[88],"reduced":[89],"frame":[90],"rate":[92],"achieved":[94],"as":[95],"compared":[96],"to":[97],"case":[99],"where":[100],"used":[105],"in":[106],"estimation.":[108]},"counts_by_year":[],"updated_date":"2026-04-04T08:04:53.788161","created_date":"2025-10-10T00:00:00"}
