{"id":"https://openalex.org/W2768421325","doi":"https://doi.org/10.1109/lcomm.2017.2776225","title":"Simple and Accurate Low SNR Ergodic Capacity Approximations","display_name":"Simple and Accurate Low SNR Ergodic Capacity Approximations","publication_year":2017,"publication_date":"2017-11-21","ids":{"openalex":"https://openalex.org/W2768421325","doi":"https://doi.org/10.1109/lcomm.2017.2776225","mag":"2768421325"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2017.2776225","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2017.2776225","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-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/A5006651787","display_name":"Bitan Banerjee","orcid":"https://orcid.org/0000-0001-8165-5735"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Bitan Banerjee","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","[department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada]","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001344726","display_name":"Ahmad Abu Al Haija","orcid":"https://orcid.org/0000-0002-0258-5319"},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ahmad Abu Al Haija","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada","[Department of Electrical & Computer Engineering, University of Toronto, Toronto, ON, Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada","institution_ids":["https://openalex.org/I185261750"]},{"raw_affiliation_string":"[Department of Electrical & Computer Engineering, University of Toronto, Toronto, ON, Canada]","institution_ids":["https://openalex.org/I185261750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060881187","display_name":"Chintha Tellambura","orcid":"https://orcid.org/0000-0002-9419-7195"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chintha Tellambura","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","[department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada]","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008700987","display_name":"Himal A. Suraweera","orcid":"https://orcid.org/0000-0003-4743-7528"},"institutions":[{"id":"https://openalex.org/I111199411","display_name":"University of Peradeniya","ror":"https://ror.org/025h79t26","country_code":"LK","type":"education","lineage":["https://openalex.org/I111199411"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Himal A. Suraweera","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Peradeniya, Peradeniya, Sri Lanka","Department of Electrical & Electronic Engineering, University of Peradeniya, Peradeniya, Sri Lanka"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Peradeniya, Peradeniya, Sri Lanka","institution_ids":["https://openalex.org/I111199411"]},{"raw_affiliation_string":"Department of Electrical & Electronic Engineering, University of Peradeniya, Peradeniya, Sri Lanka","institution_ids":["https://openalex.org/I111199411"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5006651787"],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":0.8288,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.77498438,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"22","issue":"2","first_page":"356","last_page":"359"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","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/T10575","display_name":"Wireless Communication Networks Research","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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/ergodic-theory","display_name":"Ergodic theory","score":0.841789960861206},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5662127137184143},{"id":"https://openalex.org/keywords/moment","display_name":"Moment (physics)","score":0.5631081461906433},{"id":"https://openalex.org/keywords/approximations-of-\u03c0","display_name":"Approximations of \u03c0","score":0.510139524936676},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5010201930999756},{"id":"https://openalex.org/keywords/moment-generating-function","display_name":"Moment-generating function","score":0.4994773864746094},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4859679937362671},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4826365113258362},{"id":"https://openalex.org/keywords/probability-density-function","display_name":"Probability density function","score":0.47753584384918213},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4661383032798767},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4313738942146301},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.4222556948661804},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.393806129693985},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37119585275650024},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1611843705177307},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1256466507911682},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10462427139282227},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08830979466438293}],"concepts":[{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.841789960861206},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5662127137184143},{"id":"https://openalex.org/C179254644","wikidata":"https://www.wikidata.org/wiki/Q13222844","display_name":"Moment (physics)","level":2,"score":0.5631081461906433},{"id":"https://openalex.org/C193386753","wikidata":"https://www.wikidata.org/wiki/Q1130396","display_name":"Approximations of \u03c0","level":2,"score":0.510139524936676},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5010201930999756},{"id":"https://openalex.org/C101796028","wikidata":"https://www.wikidata.org/wiki/Q535587","display_name":"Moment-generating function","level":3,"score":0.4994773864746094},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4859679937362671},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4826365113258362},{"id":"https://openalex.org/C197055811","wikidata":"https://www.wikidata.org/wiki/Q207522","display_name":"Probability density function","level":2,"score":0.47753584384918213},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4661383032798767},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4313738942146301},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.4222556948661804},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.393806129693985},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37119585275650024},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1611843705177307},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1256466507911682},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10462427139282227},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08830979466438293},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2017.2776225","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2017.2776225","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8199999928474426,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1646458645","https://openalex.org/W1657347807","https://openalex.org/W1928071791","https://openalex.org/W1969203927","https://openalex.org/W1974190285","https://openalex.org/W2013318069","https://openalex.org/W2020023512","https://openalex.org/W2106830342","https://openalex.org/W2107724330","https://openalex.org/W2108425275","https://openalex.org/W2111212840","https://openalex.org/W2116485279","https://openalex.org/W2118992144","https://openalex.org/W2130509920","https://openalex.org/W2134503759","https://openalex.org/W2139547840","https://openalex.org/W2147753064","https://openalex.org/W2149804040","https://openalex.org/W2170734840","https://openalex.org/W3103984756","https://openalex.org/W4237351959","https://openalex.org/W4300840296"],"related_works":["https://openalex.org/W50969306","https://openalex.org/W2390585021","https://openalex.org/W412641959","https://openalex.org/W2341040961","https://openalex.org/W2779828239","https://openalex.org/W3154976382","https://openalex.org/W4292101436","https://openalex.org/W3080706308","https://openalex.org/W2156049069","https://openalex.org/W2136804115"],"abstract_inverted_index":{"Some":[0],"of":[1,75,92,97,115],"the":[2,8,29,36,55,61,69,73,89,98],"existing":[3,99],"ergodic":[4,31],"capacity":[5],"approximations":[6,27,34,94,106],"for":[7,28,44,72],"low":[9],"signal-to-noise":[10],"ratio":[11],"(SNR)":[12],"region":[13],"may":[14],"lack":[15],"accuracy.":[16],"To":[17],"overcome":[18],"this,":[19],"we":[20,67,102],"derive":[21,68],"two":[22],"simple":[23],"yet":[24],"accurate":[25],"Pad\u00e9":[26],"low-SNR":[30],"capacity.":[32],"These":[33],"utilize":[35],"channel":[37],"moments,":[38],"which":[39],"need":[40],"not":[41],"be":[42,52,108],"updated":[43],"each":[45],"distinct":[46],"SNR":[47],"value.":[48],"The":[49],"moments":[50,74],"can":[51,107],"derived":[53],"from":[54,60],"probability":[56],"density":[57],"function":[58],"or":[59],"moment":[62],"generating":[63],"function.":[64],"For":[65],"instance,":[66],"general":[70],"expressions":[71],"multiple":[76,81,83],"input":[77,82],"single":[78],"output":[79,84],"and":[80],"channels.":[85],"Numerical":[86],"results":[87],"demonstrate":[88,103],"superior":[90],"accuracy":[91],"our":[93,105],"over":[95],"some":[96],"approximations.":[100],"Moreover,":[101],"how":[104],"efficiently":[109],"used":[110],"to":[111],"analyze":[112],"several":[113],"types":[114],"wireless":[116],"links.":[117]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
