{"id":"https://openalex.org/W2007372965","doi":"https://doi.org/10.1109/iswcs.2011.6125333","title":"Limits of channel estimation and signal combining for multipoint cellular radio (CoMP)","display_name":"Limits of channel estimation and signal combining for multipoint cellular radio (CoMP)","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2007372965","doi":"https://doi.org/10.1109/iswcs.2011.6125333","mag":"2007372965"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2011.6125333","doi":"https://doi.org/10.1109/iswcs.2011.6125333","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125333","pdf_url":null,"source":{"id":"https://openalex.org/S4306420236","display_name":"International Symposium on Wireless Communication Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5052324695","display_name":"Le-Hang Nguyen","orcid":null,"observed_orcids":[]},"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","https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"L.-H. Nguyen","raw_affiliation_strings":["Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","[Bell Labs Alcatel-Lucent, Stuttgart, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"[Bell Labs Alcatel-Lucent, Stuttgart, Germany]","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111481467","display_name":"Rupert Rheinschmitt","orcid":null,"observed_orcids":[]},"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","https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"R. Rheinschmitt","raw_affiliation_strings":["Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","[Bell Labs Alcatel-Lucent, Stuttgart, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"[Bell Labs Alcatel-Lucent, Stuttgart, Germany]","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"middle","author":{"id":null,"display_name":"T. Wild","orcid":null,"observed_orcids":[]},"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","https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"T. Wild","raw_affiliation_strings":["Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","[Bell Labs Alcatel-Lucent, Stuttgart, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alcatel Lucent, Bell Laboratories, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"[Bell Labs Alcatel-Lucent, Stuttgart, Germany]","institution_ids":["https://openalex.org/I1322087612"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034116116","display_name":"Stephan ten Brink","orcid":"https://orcid.org/0000-0003-1502-2571","observed_orcids":["https://orcid.org/0000-0003-1502-2571"]},"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","https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"S. Ten Brink","raw_affiliation_strings":["Nokia Bell Labs Stuttgart, Stuttgart, Baden-W\u00fcrttemberg, DE","[Bell Labs Alcatel-Lucent, Stuttgart, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nokia Bell Labs Stuttgart, Stuttgart, Baden-W\u00fcrttemberg, DE","institution_ids":[]},{"raw_affiliation_string":"[Bell Labs Alcatel-Lucent, Stuttgart, Germany]","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":2.5465,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.88896302,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"1","issue":null,"first_page":"176","last_page":"180"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9564999938011169,"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":0.9564999938011169,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.02889999933540821,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.001500000013038516,"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/coordinated-multi-point-transmission","display_name":"coordinated multi-point transmission","score":0.9700000286102295},{"id":"https://openalex.org/keywords/channel-estimation","display_name":"channel estimation","score":0.921999990940094},{"id":"https://openalex.org/keywords/signal-combining","display_name":"signal combining","score":0.7160000205039978},{"id":"https://openalex.org/keywords/diversity-combining","display_name":"diversity combining","score":0.7590000033378601},{"id":"https://openalex.org/keywords/distributed-antennas","display_name":"distributed antennas","score":0.703000009059906},{"id":"https://openalex.org/keywords/uplink","display_name":"uplink","score":0.8080000281333923},{"id":"https://openalex.org/keywords/low-signal-to-noise-ratio","display_name":"low signal-to-noise ratio","score":0.8679999709129333},{"id":"https://openalex.org/keywords/mmse-estimation","display_name":"MMSE estimation","score":0.7509999871253967},{"id":"https://openalex.org/keywords/least-squares-estimation","display_name":"least squares estimation","score":0.753000020980835},{"id":"https://openalex.org/keywords/covariance-matrix-estimation","display_name":"covariance matrix estimation","score":0.6669999957084656},{"id":"https://openalex.org/keywords/base-station-coordination","display_name":"base station cooperation","score":0.7269999980926514},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"spectral efficiency","score":0.515999972820282}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7966673374176025},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.777503490447998},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6379716396331787},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6253978610038757},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.548169732093811},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.5305785536766052},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4969010651111603},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.47276240587234497},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4492923617362976},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4369052052497864},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4236201047897339},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4142819941043854},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4140499234199524},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3810346722602844},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32751959562301636},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1950247883796692},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18271076679229736},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2011.6125333","doi":"https://doi.org/10.1109/iswcs.2011.6125333","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125333","pdf_url":null,"source":{"id":"https://openalex.org/S4306420236","display_name":"International Symposium on Wireless Communication Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1509061701","https://openalex.org/W1944454846","https://openalex.org/W1965392255","https://openalex.org/W2062125287","https://openalex.org/W2118267334","https://openalex.org/W2119963163","https://openalex.org/W2146318236","https://openalex.org/W2149569983","https://openalex.org/W2988353622","https://openalex.org/W3152017765"],"related_works":["https://openalex.org/W2054512295","https://openalex.org/W2107547795","https://openalex.org/W2037943915","https://openalex.org/W2003294613","https://openalex.org/W2278858996","https://openalex.org/W2038001702","https://openalex.org/W4255148019","https://openalex.org/W2068664526","https://openalex.org/W1988408505","https://openalex.org/W1978373113"],"abstract_inverted_index":{"To":[0],"further":[1],"increase":[2],"spectral":[3],"efficiency":[4],"and":[5,63,151],"reliability":[6],"of":[7,68,71,90,147],"wireless":[8],"communications":[9],"systems,":[10],"base":[11,52,61,73],"station":[12,53],"cooperation,":[13],"or":[14],"\"coordinated":[15],"multipoint":[16],"(CoMP)\",":[17],"has":[18,79],"become":[19],"a":[20,30,58,64,69,114],"major":[21],"trend":[22],"in":[23,29,39,122],"physical":[24],"layer":[25],"research.":[26],"We":[27,55,99],"revisit,":[28],"tutorial":[31],"style,":[32],"channel":[33,77],"estimation":[34,146],"algorithms":[35],"for":[36,113],"CoMP":[37,91,124],"schemes":[38],"the":[40,51,76,123,141,148],"uplink,":[41],"i.e.,":[42],"when":[43],"performing":[44],"diversity":[45],"combining":[46],"using":[47],"distributed":[48],"antennas":[49],"at":[50,82],"side.":[54],"focus":[56],"on":[57,105],"single":[59,115],"serving":[60],"station,":[62],"geometric":[65],"ring":[66],"arrangement":[67],"number":[70],"supporting":[72],"stations.":[74],"Obviously,":[75],"estimator":[78],"to":[80,86],"operate":[81],"very":[83],"low":[84],"SNR":[85],"make":[87],"best":[88],"use":[89],"by":[92],"benefltting":[93],"from":[94],"many":[95],"weak":[96],"signal":[97,135],"contributions.":[98,136],"show":[100],"that":[101,130],"conventional":[102],"estimators":[103,127],"based":[104],"least":[106],"squares":[107],"approaches,":[108],"which":[109],"are":[110,128],"reasonable":[111],"solutions":[112],"cell":[116],"set-up,":[117],"can":[118],"cause":[119],"severe":[120],"degradation":[121],"scenario.":[125],"Rather,":[126],"required":[129],"implicitly":[131],"de-weight":[132],"(\"pinch-off\")":[133],"unreliable":[134],"For":[137],"those":[138],"MMSE-type":[139],"estimators,":[140],"challenge":[142],"is":[143],"practical":[144],"parameter":[145],"auto":[149],"-":[150],"cross-covariance.":[152]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}