{"id":"https://openalex.org/W2137898234","doi":"https://doi.org/10.1109/pimrc.2009.5450321","title":"A codebook with low complexity for limited feedback precoding","display_name":"A codebook with low complexity for limited feedback precoding","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W2137898234","doi":"https://doi.org/10.1109/pimrc.2009.5450321","mag":"2137898234"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2009.5450321","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5450321","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},"type":"conference-paper","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/A5102848352","display_name":"Fengming Cao","orcid":"https://orcid.org/0000-0003-0761-5019"},"institutions":[{"id":"https://openalex.org/I1292669757","display_name":"Toshiba (Japan)","ror":"https://ror.org/0326v3z14","country_code":"JP","type":"company","lineage":["https://openalex.org/I1292669757"]},{"id":"https://openalex.org/I4210143477","display_name":"Toshiba (United Kingdom)","ror":"https://ror.org/054hmd463","country_code":"GB","type":"company","lineage":["https://openalex.org/I1292669757","https://openalex.org/I4210143477"]}],"countries":["GB","JP"],"is_corresponding":false,"raw_author_name":"Fengming Cao","raw_affiliation_strings":["Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","institution_ids":["https://openalex.org/I4210143477"]},{"raw_affiliation_string":"Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK","institution_ids":["https://openalex.org/I1292669757"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022264757","display_name":"Magnus Sandell","orcid":"https://orcid.org/0000-0001-8625-5394"},"institutions":[{"id":"https://openalex.org/I1292669757","display_name":"Toshiba (Japan)","ror":"https://ror.org/0326v3z14","country_code":"JP","type":"company","lineage":["https://openalex.org/I1292669757"]},{"id":"https://openalex.org/I4210143477","display_name":"Toshiba (United Kingdom)","ror":"https://ror.org/054hmd463","country_code":"GB","type":"company","lineage":["https://openalex.org/I1292669757","https://openalex.org/I4210143477"]}],"countries":["GB","JP"],"is_corresponding":false,"raw_author_name":"Magnus Sandell","raw_affiliation_strings":["Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","institution_ids":["https://openalex.org/I4210143477"]},{"raw_affiliation_string":"Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK","institution_ids":["https://openalex.org/I1292669757"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090780731","display_name":"Filippo Tosato","orcid":"https://orcid.org/0000-0001-7332-8064"},"institutions":[{"id":"https://openalex.org/I1292669757","display_name":"Toshiba (Japan)","ror":"https://ror.org/0326v3z14","country_code":"JP","type":"company","lineage":["https://openalex.org/I1292669757"]},{"id":"https://openalex.org/I4210143477","display_name":"Toshiba (United Kingdom)","ror":"https://ror.org/054hmd463","country_code":"GB","type":"company","lineage":["https://openalex.org/I1292669757","https://openalex.org/I4210143477"]}],"countries":["GB","JP"],"is_corresponding":false,"raw_author_name":"Filippo Tosato","raw_affiliation_strings":["Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Research Laboratory, Toshiba Research Europe Limited, Bristol, UK","institution_ids":["https://openalex.org/I4210143477"]},{"raw_affiliation_string":"Toshiba Research Europe Ltd Telecommunication Research Laboratory 32 Queen Square, Bristol, BS1 4ND, UK","institution_ids":["https://openalex.org/I1292669757"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"54","issue":null,"first_page":"1302","last_page":"1306"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9987000226974487,"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":0.9987000226974487,"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":0.9986000061035156,"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9970999956130981,"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/codebook","display_name":"Codebook","score":0.9972110390663147},{"id":"https://openalex.org/keywords/linde\u2013buzo\u2013gray-algorithm","display_name":"Linde\u2013Buzo\u2013Gray algorithm","score":0.9107967615127563},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7096623182296753},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.6466702818870544},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6444355249404907},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6002048254013062},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.5520956516265869},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5070784091949463},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4789079427719116},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.46542853116989136},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.4235677123069763},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3805035650730133},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11001604795455933},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.054410576820373535}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9972110390663147},{"id":"https://openalex.org/C93372532","wikidata":"https://www.wikidata.org/wiki/Q6552455","display_name":"Linde\u2013Buzo\u2013Gray algorithm","level":3,"score":0.9107967615127563},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7096623182296753},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.6466702818870544},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6444355249404907},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6002048254013062},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.5520956516265869},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5070784091949463},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4789079427719116},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.46542853116989136},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.4235677123069763},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3805035650730133},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11001604795455933},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.054410576820373535},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2009.5450321","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2009.5450321","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.6299999952316284}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2053463354","https://openalex.org/W2074863717","https://openalex.org/W2134383396","https://openalex.org/W2149600388","https://openalex.org/W6682185859"],"related_works":["https://openalex.org/W2017514583","https://openalex.org/W2352648934","https://openalex.org/W2391875658","https://openalex.org/W2100120615","https://openalex.org/W1929869830","https://openalex.org/W2017401491","https://openalex.org/W2387054321","https://openalex.org/W2158612577","https://openalex.org/W2148772884","https://openalex.org/W1681061148"],"abstract_inverted_index":{"Codebook-based":[0],"limited":[1],"feedback":[2],"precoded":[3],"MIMO":[4],"systems":[5],"involve":[6],"vector":[7],"quantization,":[8],"which":[9,57],"may":[10],"require":[11],"intensive":[12],"computations,":[13],"especially":[14],"for":[15],"large":[16],"codebooks.":[17],"In":[18],"this":[19],"paper":[20],"we":[21],"show":[22,44],"how":[23],"the":[24,40,46,49],"complexity":[25],"and":[26],"codebook":[27,51],"storage":[28],"can":[29],"be":[30],"significantly":[31],"reduced":[32],"by":[33],"using":[34],"a":[35],"special":[36],"alphabet":[37],"to":[38],"generate":[39],"codebook.":[41],"Simulation":[42],"results":[43],"that":[45],"performance":[47],"with":[48,54],"generated":[50],"is":[52],"comparable":[53],"other":[55],"codebooks":[56],"have":[58],"higher":[59],"complexity.":[60]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
