{"id":"https://openalex.org/W2149700574","doi":"https://doi.org/10.1186/1687-1499-2014-86","title":"Generalized MMSE beamforming for multicell MIMO systems with random user geometry and channel feedback latency","display_name":"Generalized MMSE beamforming for multicell MIMO systems with random user geometry and channel feedback latency","publication_year":2014,"publication_date":"2014-05-24","ids":{"openalex":"https://openalex.org/W2149700574","doi":"https://doi.org/10.1186/1687-1499-2014-86","mag":"2149700574"},"language":"en","primary_location":{"id":"doi:10.1186/1687-1499-2014-86","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-86","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-86","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/10.1186/1687-1499-2014-86","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081832761","display_name":"Illsoo Sohn","orcid":"https://orcid.org/0000-0003-3943-4781"},"institutions":[{"id":"https://openalex.org/I12832649","display_name":"Gachon University","ror":"https://ror.org/03ryywt80","country_code":"KR","type":"education","lineage":["https://openalex.org/I12832649"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Illsoo Sohn","raw_affiliation_strings":["Department of Electronics Engineering, Gachon University, 1342 Seonnam-daero, Sugeong-gu, Seongnam-si, Gyeonggi-do, 461-701, Korea","Department of Electronics Engineering, Gachon University, Seongnam-si, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, Gachon University, 1342 Seonnam-daero, Sugeong-gu, Seongnam-si, Gyeonggi-do, 461-701, Korea","institution_ids":["https://openalex.org/I12832649"]},{"raw_affiliation_string":"Department of Electronics Engineering, Gachon University, Seongnam-si, Korea","institution_ids":["https://openalex.org/I12832649"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005794101","display_name":"Hyoungjoo Lee","orcid":"https://orcid.org/0000-0003-3348-5270"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyoungjoo Lee","raw_affiliation_strings":["Samsung Electronics Co., Maetan 3-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, Korea","Samsung Electronics Co., Yeongtong-gu, Suwon-si, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Samsung Electronics Co., Maetan 3-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, Korea","institution_ids":["https://openalex.org/I2250650973"]},{"raw_affiliation_string":"Samsung Electronics Co., Yeongtong-gu, Suwon-si, Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007644079","display_name":"Kwang Bok Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kwang Bok Lee","raw_affiliation_strings":["Department of Electrical and Computer Engineering and INMC, Seoul National University, 599 Gwanak-ro, Gwanak-Gu, Seoul, 110-799, Korea","Department of Electrical and Computer Engineering and INMC, Seoul National University, Gwanak-Gu, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering and INMC, Seoul National University, 599 Gwanak-ro, Gwanak-Gu, Seoul, 110-799, Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering and INMC, Seoul National University, Gwanak-Gu, Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5007644079"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":{"value":1665,"currency":"USD","value_usd":1665},"apc_paid":{"value":1665,"currency":"USD","value_usd":1665},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11281438,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9962999820709229,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9959999918937683,"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/beamforming","display_name":"Beamforming","score":0.8670393228530884},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7988560199737549},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7481020092964172},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.5357937216758728},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5044499635696411},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4730849862098694},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.46676868200302124},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4031629264354706},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.32274025678634644},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24572202563285828},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19699856638908386},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.188029944896698},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08003479242324829}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8670393228530884},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7988560199737549},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7481020092964172},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.5357937216758728},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5044499635696411},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4730849862098694},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.46676868200302124},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4031629264354706},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.32274025678634644},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24572202563285828},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19699856638908386},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.188029944896698},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08003479242324829},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/1687-1499-2014-86","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-86","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-86","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"}],"best_oa_location":{"id":"doi:10.1186/1687-1499-2014-86","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1687-1499-2014-86","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1186/1687-1499-2014-86","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":[{"id":"https://metadata.un.org/sdg/17","score":0.5400000214576721,"display_name":"Partnerships for the goals"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320332195","display_name":"Samsung","ror":"https://ror.org/04w3jy968"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2149700574.pdf","grobid_xml":"https://content.openalex.org/works/W2149700574.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1538961851","https://openalex.org/W1620891604","https://openalex.org/W1919846929","https://openalex.org/W2040650415","https://openalex.org/W2074120933","https://openalex.org/W2104952015","https://openalex.org/W2106620711","https://openalex.org/W2108301587","https://openalex.org/W2117614977","https://openalex.org/W2122727481","https://openalex.org/W2124858630","https://openalex.org/W2144528478","https://openalex.org/W2148570881","https://openalex.org/W2149258241","https://openalex.org/W2149787135","https://openalex.org/W2155174176","https://openalex.org/W2157242700","https://openalex.org/W2163968165","https://openalex.org/W2168467796","https://openalex.org/W2596900037","https://openalex.org/W2618554139","https://openalex.org/W2791026616"],"related_works":["https://openalex.org/W2765089333","https://openalex.org/W4297311468","https://openalex.org/W2963440157","https://openalex.org/W2548963335","https://openalex.org/W2898650565","https://openalex.org/W2915882743","https://openalex.org/W2159941915","https://openalex.org/W2724724053","https://openalex.org/W2103590590","https://openalex.org/W1997240170"],"abstract_inverted_index":{"Abstract":[0],"In":[1],"this":[2,120],"paper,":[3],"we":[4,41,124],"propose":[5],"a":[6,43],"generalized":[7,132,168],"minimum":[8],"mean":[9],"square":[10],"error":[11],"(MMSE)":[12],"beamforming":[13,28,128,134,141,160,170,173],"for":[14,34,92],"downlink":[15],"multicell":[16,37,47,53],"multiple-input":[17],"multiple-output":[18],"(MIMO)":[19],"systems":[20],"with":[21],"local":[22],"BS":[23],"cooperations.":[24],"Unlike":[25],"the":[26,107,126,131,147,156,166],"previous":[27,172],"strategies":[29,174],"which":[30],"have":[31],"been":[32],"designed":[33],"an":[35,102],"idealized":[36],"MIMO":[38,48,54],"system":[39,49,55],"model,":[40],"consider":[42],"complicated":[44],"but":[45],"realistic":[46,52],"model.":[50],"Our":[51],"model":[56],"captures":[57],"(i)":[58],"different":[59,88],"average":[60,179],"SNRs":[61],"of":[62,69,109,113,119,130,149,158],"users":[63,70,150],"due":[64,77,100],"to":[65,78,101],"random":[66],"geometrical":[67],"distribution":[68],"within":[71],"cells,":[72],"(ii)":[73],"channel":[74,89,94,98,152],"feedback":[75,153],"latency":[76,105,154],"air":[79],"propagation":[80],"time":[81],"and":[82,86,96,151,178],"signal":[83],"processing":[84],"time,":[85],"(iii)":[87],"aging":[90],"effects":[91],"intracell":[93],"information":[95,99,110],"intercell":[97],"additional":[103],"backhaul":[104],"during":[106],"exchange":[108],"between":[111],"pairs":[112],"neighboring":[114],"cells.":[115],"The":[116,139],"key":[117],"novelty":[118],"paper":[121],"is":[122],"that":[123,165],"derive":[125],"closed-form":[127,140],"expressions":[129],"MMSE":[133,169],"using":[135],"convex":[136],"optimization":[137],"technique.":[138],"expression":[142],"gives":[143],"insights":[144],"on":[145],"how":[146],"geometry":[148],"affect":[155],"construction":[157],"optimal":[159],"vectors.":[161],"Numerical":[162],"results":[163],"verify":[164],"proposed":[167],"outperforms":[171],"in":[175],"both":[176],"BER":[177],"throughput":[180],"performances.":[181]},"counts_by_year":[],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}