{"id":"https://openalex.org/W2808030566","doi":"https://doi.org/10.1109/wcnc.2018.8377094","title":"Weighted graph coloring based softer pilot reuse for TDD massive MIMO systems","display_name":"Weighted graph coloring based softer pilot reuse for TDD massive MIMO systems","publication_year":2018,"publication_date":"2018-04-01","ids":{"openalex":"https://openalex.org/W2808030566","doi":"https://doi.org/10.1109/wcnc.2018.8377094","mag":"2808030566"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2018.8377094","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2018.8377094","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5043562999","display_name":"Wenson Chang","orcid":"https://orcid.org/0000-0003-3028-1109"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wenson Chang","raw_affiliation_strings":["Department of Electrical Engineering, National Cheng Kung University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Cheng Kung University","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023655155","display_name":"Han-Wei Chan","orcid":null},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Han-Wei Chan","raw_affiliation_strings":["Department of Electrical Engineering, National Cheng Kung University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, National Cheng Kung University","institution_ids":["https://openalex.org/I91807558"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1309,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.47386686,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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":0.9993000030517578,"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"}},{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9991999864578247,"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/reuse","display_name":"Reuse","score":0.9276647567749023},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6797519326210022},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6190797686576843},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.45919904112815857},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4550437033176422},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.42825746536254883},{"id":"https://openalex.org/keywords/hazard","display_name":"Hazard","score":0.4192485213279724},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3359344005584717},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20724624395370483},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18950983881950378},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.15189924836158752}],"concepts":[{"id":"https://openalex.org/C206588197","wikidata":"https://www.wikidata.org/wiki/Q846574","display_name":"Reuse","level":2,"score":0.9276647567749023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6797519326210022},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6190797686576843},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.45919904112815857},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4550437033176422},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.42825746536254883},{"id":"https://openalex.org/C49261128","wikidata":"https://www.wikidata.org/wiki/Q1132455","display_name":"Hazard","level":2,"score":0.4192485213279724},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3359344005584717},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20724624395370483},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18950983881950378},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.15189924836158752},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc.2018.8377094","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2018.8377094","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1952529691","https://openalex.org/W1986586714","https://openalex.org/W2023535408","https://openalex.org/W2055568125","https://openalex.org/W2133501475","https://openalex.org/W2136644341","https://openalex.org/W2145013959","https://openalex.org/W2171387626","https://openalex.org/W2408034629","https://openalex.org/W2467104417","https://openalex.org/W2589840645","https://openalex.org/W2791793152","https://openalex.org/W2808030566","https://openalex.org/W6749050414"],"related_works":["https://openalex.org/W2384475851","https://openalex.org/W2000444236","https://openalex.org/W2353602216","https://openalex.org/W2367078749","https://openalex.org/W2381798600","https://openalex.org/W1910583078","https://openalex.org/W2351618306","https://openalex.org/W2133117170","https://openalex.org/W2999162218","https://openalex.org/W1537443268"],"abstract_inverted_index":{"In":[0,77],"the":[1,7,18,25,31,35,39,47,59,63,66,71,89,93,97,102,108,111,121,128],"massive":[2],"multiple-input":[3],"multiple-output":[4],"(MIMO)":[5],"systems,":[6],"serious":[8],"pilot":[9,48,72,109],"contamination":[10,73],"problem":[11,74],"severely":[12],"restricts":[13],"its":[14],"ability":[15],"to":[16,45,52,61,86,92,106,127],"boost":[17],"spectrum":[19,32],"utilization.":[20],"To":[21],"tackle":[22],"this":[23,78],"problem,":[24],"conventional":[26],"concept":[27],"of":[28,38,96,113],"softly":[29],"reusing":[30],"resources":[33,49],"for":[34],"inner":[36],"regions":[37,95,105],"neighboring":[40,67],"cells":[41,68],"has":[42],"been":[43],"extended":[44],"reuse":[46,62,88],"so":[50],"as":[51,75],"accommodate":[53],"more":[54,122],"users.":[55],"Alternatively,":[56],"properly":[57,87],"selecting":[58],"users":[60,124],"pilots":[64,90],"among":[65],"can":[69,115,125],"alleviate":[70],"well.":[76],"paper,":[79],"we":[80],"delicately":[81],"integrate":[82],"these":[83],"two":[84],"concepts":[85],"allocated":[91],"outer":[94],"cells.":[98],"By":[99],"well":[100],"designing":[101],"hazard-and":[103],"secure-edge":[104],"manage":[107],"reuse,":[110],"increment":[112],"interference":[114],"be":[116],"effectively":[117],"suppressed;":[118],"and,":[119],"consequently,":[120],"accommodated":[123],"contribute":[126],"remarkably":[129],"higher":[130],"sum":[131],"data":[132],"rates.":[133]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}