{"id":"https://openalex.org/W2118267059","doi":"https://doi.org/10.1109/isit.2009.5205997","title":"Functional forwarding of channel state information","display_name":"Functional forwarding of channel state information","publication_year":2009,"publication_date":"2009-06-01","ids":{"openalex":"https://openalex.org/W2118267059","doi":"https://doi.org/10.1109/isit.2009.5205997","mag":"2118267059"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2009.5205997","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2009.5205997","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/169582","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079449286","display_name":"Jiening Zhan","orcid":null},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jiening Zhan","raw_affiliation_strings":["Department of EECS, University of California, Berkeley, Berkeley, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of EECS, University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063528341","display_name":"Michael Gastpar","orcid":"https://orcid.org/0000-0002-5499-5336"},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]},{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL","US"],"is_corresponding":false,"raw_author_name":"Michael Gastpar","raw_affiliation_strings":["Department of EECS, University of California, Berkeley, Berkeley, CA, USA","Technical University Delft, Netherlands"],"affiliations":[{"raw_affiliation_string":"Department of EECS, University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]},{"raw_affiliation_string":"Technical University Delft, Netherlands","institution_ids":["https://openalex.org/I98358874"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5079449286"],"corresponding_institution_ids":["https://openalex.org/I95457486"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16936307,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1184","last_page":"1188"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9993000030517578,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9988999962806702,"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/channel","display_name":"Channel (broadcasting)","score":0.7529551982879639},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7367331385612488},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7262468338012695},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7092042565345764},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.6771021485328674},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6342893838882446},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.5216082334518433},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.43616652488708496},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.37378454208374023},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1741248369216919},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1053301990032196}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7529551982879639},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7367331385612488},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7262468338012695},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7092042565345764},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6771021485328674},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6342893838882446},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.5216082334518433},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.43616652488708496},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.37378454208374023},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1741248369216919},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1053301990032196},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isit.2009.5205997","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2009.5205997","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"},{"id":"pmh:oai:infoscience.epfl.ch:169582","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/169582","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:169582","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/169582","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1987127255","https://openalex.org/W2098567664","https://openalex.org/W2106929598","https://openalex.org/W2133214726","https://openalex.org/W2136960893","https://openalex.org/W2139787801","https://openalex.org/W2140227342","https://openalex.org/W2148893247","https://openalex.org/W2149806219","https://openalex.org/W2154164662","https://openalex.org/W2156315971","https://openalex.org/W2167447263","https://openalex.org/W2951933481"],"related_works":["https://openalex.org/W2608897767","https://openalex.org/W2963768675","https://openalex.org/W2153829573","https://openalex.org/W2099376255","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1931943713","https://openalex.org/W1559320887","https://openalex.org/W2006290459"],"abstract_inverted_index":{"In":[0],"large":[1],"relay":[2,79],"networks,":[3],"the":[4,13,26,33,43,51,59,65],"assumption":[5],"of":[6,58,97],"full":[7,66,108],"and":[8,92],"perfect":[9],"channel":[10,61,75,83,98],"knowledge":[11],"at":[12,25,32],"destination":[14],"is":[15,39,47],"optimistic":[16],"in":[17,78],"practice.":[18],"The":[19],"fading":[20,37],"coefficients":[21],"are":[22],"typically":[23],"measured":[24],"relays":[27],"but":[28],"not":[29],"directly":[30],"known":[31],"destination.":[34,44],"Traditionally,":[35],"each":[36],"coefficient":[38],"individually":[40],"forwarded":[41],"to":[42,53,89],"However,":[45],"it":[46],"often":[48],"sufficient":[49],"for":[50,73],"decoder":[52],"know":[54],"only":[55],"a":[56,70],"function":[57],"various":[60],"states":[62],"rather":[63],"than":[64,107],"information.":[67],"We":[68,85],"develop":[69],"general":[71],"framework":[72,88],"forwarding":[74,96],"state":[76,99],"information":[77,100],"systems":[80],"with":[81],"local":[82],"knowledge.":[84],"apply":[86],"our":[87],"several":[90],"networks":[91],"find":[93],"that":[94],"functional":[95],"can":[101],"be":[102],"attained":[103],"much":[104],"more":[105],"efficiently":[106],"forwarding.":[109]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}