{"id":"https://openalex.org/W2092590142","doi":"https://doi.org/10.1145/2345396.2345505","title":"Exploiting second order statistics of the received signals in AF relay cooperative network for compound channel estimation","display_name":"Exploiting second order statistics of the received signals in AF relay cooperative network for compound channel estimation","publication_year":2012,"publication_date":"2012-08-03","ids":{"openalex":"https://openalex.org/W2092590142","doi":"https://doi.org/10.1145/2345396.2345505","mag":"2092590142"},"language":"en","primary_location":{"id":"doi:10.1145/2345396.2345505","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2345396.2345505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference on Advances in Computing, Communications and Informatics","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/A5003352708","display_name":"Cibile K. Kanjirathumkal","orcid":null},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Cibile K. Kanjirathumkal","raw_affiliation_strings":["National Institute of Technology Calicut India","National Institute of Technology Calicut, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Calicut India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"National Institute of Technology Calicut, India","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090646467","display_name":"S. M. Sameer","orcid":"https://orcid.org/0000-0002-1685-7936"},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S. M. Sameer","raw_affiliation_strings":["National Institute of Technology Calicut India","National Institute of Technology Calicut, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Calicut India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"National Institute of Technology Calicut, India","institution_ids":["https://openalex.org/I114845381"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068565397","display_name":"Lillykutty Jacob","orcid":"https://orcid.org/0000-0002-8198-4050"},"institutions":[{"id":"https://openalex.org/I114845381","display_name":"National Institute of Technology Calicut","ror":"https://ror.org/03yyd7552","country_code":"IN","type":"education","lineage":["https://openalex.org/I114845381"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Lillykutty Jacob","raw_affiliation_strings":["National Institute of Technology Calicut India","National Institute of Technology Calicut, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology Calicut India","institution_ids":["https://openalex.org/I114845381"]},{"raw_affiliation_string":"National Institute of Technology Calicut, India","institution_ids":["https://openalex.org/I114845381"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I114845381"],"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":null,"issue":null,"first_page":"667","last_page":"672"},"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9997000098228455,"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":0.9968000054359436,"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/computer-science","display_name":"Computer science","score":0.6734911799430847},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6488087177276611},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6393981575965881},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6201834082603455},{"id":"https://openalex.org/keywords/autocorrelation","display_name":"Autocorrelation","score":0.5925300717353821},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5708000659942627},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5452760457992554},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5277495980262756},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.49296069145202637},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.48217979073524475},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.4017859101295471},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.37357985973358154},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26685795187950134},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15717047452926636}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6734911799430847},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6488087177276611},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6393981575965881},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6201834082603455},{"id":"https://openalex.org/C5297727","wikidata":"https://www.wikidata.org/wiki/Q786970","display_name":"Autocorrelation","level":2,"score":0.5925300717353821},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5708000659942627},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5452760457992554},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5277495980262756},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.49296069145202637},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.48217979073524475},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4017859101295471},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.37357985973358154},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26685795187950134},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15717047452926636},{"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},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2345396.2345505","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2345396.2345505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Conference on Advances in Computing, Communications and Informatics","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":16,"referenced_works":["https://openalex.org/W587046040","https://openalex.org/W1546395807","https://openalex.org/W1578953027","https://openalex.org/W1601759414","https://openalex.org/W2029027380","https://openalex.org/W2101134897","https://openalex.org/W2113415377","https://openalex.org/W2121667866","https://openalex.org/W2123384585","https://openalex.org/W2129506838","https://openalex.org/W2136467818","https://openalex.org/W2150435461","https://openalex.org/W2156960709","https://openalex.org/W2161925986","https://openalex.org/W2744670858","https://openalex.org/W7071247091"],"related_works":["https://openalex.org/W2133930609","https://openalex.org/W2090656273","https://openalex.org/W2047006631","https://openalex.org/W2187692743","https://openalex.org/W1498781268","https://openalex.org/W2038230493","https://openalex.org/W2099955065","https://openalex.org/W2144246991","https://openalex.org/W1552724012","https://openalex.org/W2384507272"],"abstract_inverted_index":{"In":[0],"this":[1,118],"paper":[2],"we":[3],"address":[4],"the":[5,18,22,72,75,84,97,103,111,115,140,160,165,170],"channel":[6,27,73,79,116],"estimation":[7,57],"issue":[8],"in":[9,60,122,159,164],"amplify":[10],"and":[11,133,149],"forward":[12],"(AF)":[13],"relay":[14],"network":[15],"by":[16],"exploiting":[17],"temporal":[19,112],"statistics":[20],"of":[21,47,66,71,86,114,139,154],"fading":[23],"channel.":[24],"A":[25],"robust":[26],"estimator":[28],"that":[29,153],"offers":[30,92,120],"good":[31],"performance":[32,85,138,167],"is":[33,100],"proposed":[34,90,141],"for":[35],"dual":[36],"hop":[37],"AF":[38],"systems":[39],"which":[40],"can":[41,82,109],"be":[42],"used":[43,59],"with":[44,152],"any":[45,124],"type":[46],"correlated":[48,126],"channels.":[49,127],"The":[50,89,128,162],"linear":[51],"minimum":[52],"mean":[53,129],"square":[54,130],"error":[55,131,135],"(LMMSE)":[56],"technique":[58,142],"existing":[61],"methods":[62],"require":[63],"apriori":[64],"knowledge":[65],"exact":[67],"autocorrelation":[68],"function":[69],"(ACF)":[70],"at":[74],"receiver.":[76],"Time":[77],"domain":[78],"correlation":[80,172],"mismatch":[81],"degrade":[83],"LMMSE":[87],"estimator.":[88],"method":[91,119,157],"a":[93,155],"realistic":[94],"solution":[95],"as":[96],"interpolation":[98],"factor":[99],"extracted":[101],"from":[102],"received":[104],"signal":[105],"itself.":[106],"Since":[107],"it":[108],"accommodate":[110],"variations":[113],"effectively,":[117],"flexibility":[121],"estimating":[123],"generalised":[125],"(MSE)":[132],"bit":[134],"rate":[136],"(BER)":[137],"are":[143,150],"evaluated":[144],"through":[145],"computer":[146],"simulation":[147],"studies":[148],"compared":[151],"related":[156],"referred":[158],"literature.":[161],"improvement":[163],"system":[166],"owes":[168],"to":[169],"enhanced":[171],"matching.":[173]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}