{"id":"https://openalex.org/W2531785677","doi":"https://doi.org/10.1145/2716281.2836103","title":"COPA","display_name":"COPA","publication_year":2015,"publication_date":"2015-12-01","ids":{"openalex":"https://openalex.org/W2531785677","doi":"https://doi.org/10.1145/2716281.2836103","mag":"2531785677"},"language":"en","primary_location":{"id":"doi:10.1145/2716281.2836103","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2716281.2836103","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th ACM Conference on Emerging Networking Experiments and Technologies","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/A5074425256","display_name":"Georgios F. Nikolaidis","orcid":"https://orcid.org/0000-0001-9008-6896"},"institutions":[{"id":"https://openalex.org/I2801187875","display_name":"University College Lahore","ror":"https://ror.org/0572v5y16","country_code":"PK","type":"education","lineage":["https://openalex.org/I2801187875"]}],"countries":["PK"],"is_corresponding":true,"raw_author_name":"Georgios Nikolaidis","raw_affiliation_strings":["UCL"],"affiliations":[{"raw_affiliation_string":"UCL","institution_ids":["https://openalex.org/I2801187875"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089788947","display_name":"Mark Handley","orcid":"https://orcid.org/0000-0001-8509-2001"},"institutions":[{"id":"https://openalex.org/I2801187875","display_name":"University College Lahore","ror":"https://ror.org/0572v5y16","country_code":"PK","type":"education","lineage":["https://openalex.org/I2801187875"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Mark Handley","raw_affiliation_strings":["UCL"],"affiliations":[{"raw_affiliation_string":"UCL","institution_ids":["https://openalex.org/I2801187875"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050964830","display_name":"Kyle Jamieson","orcid":"https://orcid.org/0000-0002-7940-2867"},"institutions":[{"id":"https://openalex.org/I2801187875","display_name":"University College Lahore","ror":"https://ror.org/0572v5y16","country_code":"PK","type":"education","lineage":["https://openalex.org/I2801187875"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Kyle Jamieson","raw_affiliation_strings":["UCL"],"affiliations":[{"raw_affiliation_string":"UCL","institution_ids":["https://openalex.org/I2801187875"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110262571","display_name":"Brad Karp","orcid":"https://orcid.org/0000-0002-7587-5034"},"institutions":[{"id":"https://openalex.org/I2801187875","display_name":"University College Lahore","ror":"https://ror.org/0572v5y16","country_code":"PK","type":"education","lineage":["https://openalex.org/I2801187875"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Brad Karp","raw_affiliation_strings":["UCL"],"affiliations":[{"raw_affiliation_string":"UCL","institution_ids":["https://openalex.org/I2801187875"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5074425256"],"corresponding_institution_ids":["https://openalex.org/I2801187875"],"apc_list":null,"apc_paid":null,"fwci":1.6641,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.87009823,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9998999834060669,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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/computer-science","display_name":"Computer science","score":0.7334713935852051},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.6908186674118042},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6428330540657043},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6167568564414978},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.49691322445869446},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.49232566356658936},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.47528257966041565},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4289291501045227},{"id":"https://openalex.org/keywords/phy","display_name":"PHY","score":0.4251798093318939},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3552231788635254},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.3013104498386383},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.27734988927841187},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.21125853061676025}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7334713935852051},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.6908186674118042},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6428330540657043},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6167568564414978},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.49691322445869446},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.49232566356658936},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.47528257966041565},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4289291501045227},{"id":"https://openalex.org/C41918916","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"PHY","level":4,"score":0.4251798093318939},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3552231788635254},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3013104498386383},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.27734988927841187},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.21125853061676025},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2716281.2836103","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2716281.2836103","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th ACM Conference on Emerging Networking Experiments and Technologies","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G6334377423","display_name":null,"funder_award_id":"279976","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"}],"funders":[{"id":"https://openalex.org/F4320324887","display_name":"Shandong Academy of Sciences","ror":"https://ror.org/04y8d6y55"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1911543361","https://openalex.org/W1970486639","https://openalex.org/W1974556907","https://openalex.org/W1975393436","https://openalex.org/W1993384228","https://openalex.org/W1997834106","https://openalex.org/W2028077152","https://openalex.org/W2041310642","https://openalex.org/W2041792217","https://openalex.org/W2097695636","https://openalex.org/W2099257422","https://openalex.org/W2104933959","https://openalex.org/W2124137178","https://openalex.org/W2125562505","https://openalex.org/W2144916689","https://openalex.org/W2146076199","https://openalex.org/W2146102702","https://openalex.org/W2152342555","https://openalex.org/W2157709134","https://openalex.org/W2161697001","https://openalex.org/W2163844889","https://openalex.org/W2165492624","https://openalex.org/W2167357515","https://openalex.org/W2168821867","https://openalex.org/W2168973404","https://openalex.org/W2171375393","https://openalex.org/W2533153119","https://openalex.org/W3137575330","https://openalex.org/W4238545943","https://openalex.org/W4238782378"],"related_works":["https://openalex.org/W2172159377","https://openalex.org/W2091769028","https://openalex.org/W2351865055","https://openalex.org/W2020731358","https://openalex.org/W2098618074","https://openalex.org/W2055131418","https://openalex.org/W1501039677","https://openalex.org/W2019909929","https://openalex.org/W2306672848","https://openalex.org/W4291701075"],"abstract_inverted_index":{"As":[0],"802.11":[1,39],"wireless":[2,65],"networks":[3,15],"proliferate,":[4],"interference":[5,34,106],"becomes":[6],"increasingly":[7],"severe,":[8],"particularly":[9],"in":[10,24],"dense,":[11],"urban":[12],"environments.":[13],"These":[14],"are":[16],"usually":[17],"operated":[18],"by":[19],"different":[20],"users":[21],"(e.g.,":[22],"tenants":[23],"apartments).":[25],"In":[26],"this":[27],"paper,":[28],"we":[29],"develop":[30],"techniques":[31],"for":[32],"mitigating":[33],"between":[35],"such":[36],"loosely":[37],"cooperating":[38],"MIMO":[40],"APs":[41],"and":[42,75,100],"clients,":[43],"which":[44],"do":[45],"not":[46],"share":[47],"a":[48,103],"high-speed":[49],"wired":[50],"backplane":[51],"or":[52],"central":[53],"controller.":[54],"We":[55],"propose":[56],"CoOperative":[57],"Power":[58],"Allocation":[59],"(COPA),":[60],"an":[61],"approach":[62],"to":[63,78,91,94,101],"concurrent":[64],"medium":[66],"access":[67],"that":[68,81],"combines":[69],"fine-grained,":[70],"per-subcarrier":[71],"power":[72],"allocation,":[73],"nulling,":[74],"multi-stream":[76],"transmission":[77],"claim":[79],"capacity":[80],"status-quo":[82],"approaches":[83],"cannot.":[84],"Jointly":[85],"turning":[86],"these":[87],"knobs":[88],"allows":[89],"COPA":[90],"allocate":[92],"subcarriers":[93],"senders":[95],"partially,":[96],"rather":[97],"than":[98],"all-or-nothing,":[99],"embrace":[102],"measure":[104],"of":[105],"when":[107],"doing":[108],"so":[109],"increases":[110],"capacity.":[111]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-10-21T00:00:00"}