{"id":"https://openalex.org/W2119393839","doi":"https://doi.org/10.1109/isit.2004.1365453","title":"The gaussian interference channel at low SNR","display_name":"The gaussian interference channel at low SNR","publication_year":2004,"publication_date":"2004-12-23","ids":{"openalex":"https://openalex.org/W2119393839","doi":"https://doi.org/10.1109/isit.2004.1365453","mag":"2119393839"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2004.1365453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","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/A5038313245","display_name":"Chaitanya Rao","orcid":null},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Chaitanya Rao","raw_affiliation_strings":["Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","Department of Electrical Engineering, California Institute of Technology Pasadena, CA 91125, U.S.A"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Department of Electrical Engineering, California Institute of Technology Pasadena, CA 91125, U.S.A","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002430773","display_name":"Babak Hassibi","orcid":"https://orcid.org/0000-0002-1375-5838"},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. Hassibi","raw_affiliation_strings":["Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","Dept of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Dept of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5038313245"],"corresponding_institution_ids":["https://openalex.org/I122411786"],"apc_list":null,"apc_paid":null,"fwci":0.3388,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.65617393,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"416","last_page":"416"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security 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"}},"topics":[{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security 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":0.998199999332428,"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":0.9909999966621399,"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/interference","display_name":"Interference (communication)","score":0.7835912704467773},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.6344267129898071},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6237860918045044},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5953893661499023},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5938466787338257},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5372599959373474},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.529843807220459},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.5067856907844543},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4893314242362976},{"id":"https://openalex.org/keywords/gaussian-noise","display_name":"Gaussian noise","score":0.47036027908325195},{"id":"https://openalex.org/keywords/mutual-information","display_name":"Mutual information","score":0.4566541910171509},{"id":"https://openalex.org/keywords/co-channel-interference","display_name":"Co-channel interference","score":0.45336323976516724},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3970871567726135},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3867455720901489},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3743557035923004},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3509265184402466},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3177710175514221},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.26885291934013367},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2665310204029083},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12540984153747559},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11009132862091064}],"concepts":[{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.7835912704467773},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.6344267129898071},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6237860918045044},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5953893661499023},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5938466787338257},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5372599959373474},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.529843807220459},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.5067856907844543},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4893314242362976},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.47036027908325195},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.4566541910171509},{"id":"https://openalex.org/C6532628","wikidata":"https://www.wikidata.org/wiki/Q5137431","display_name":"Co-channel interference","level":4,"score":0.45336323976516724},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3970871567726135},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3867455720901489},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3743557035923004},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3509265184402466},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3177710175514221},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.26885291934013367},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2665310204029083},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12540984153747559},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11009132862091064},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"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":3,"locations":[{"id":"doi:10.1109/isit.2004.1365453","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2004.1365453","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.","raw_type":"proceedings-article"},{"id":"pmh:oai:authors.library.caltech.edu:54627","is_oa":false,"landing_page_url":"https://authors.library.caltech.edu/54627/1/The%20Gaussian%20interference%20channel%20at%20low%20SNR.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402161","display_name":"CaltechAUTHORS (California Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I122411786","host_organization_name":"California Institute of Technology","host_organization_lineage":["https://openalex.org/I122411786"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Book Section"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.329.5791","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.329.5791","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.systems.caltech.edu/EE/Faculty/babak/pubs/conferences/01365453.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1592482298","https://openalex.org/W2029920391","https://openalex.org/W6635532581"],"related_works":["https://openalex.org/W2466816617","https://openalex.org/W1970834875","https://openalex.org/W3174028392","https://openalex.org/W2000517284","https://openalex.org/W2136503713","https://openalex.org/W2074589917","https://openalex.org/W2981790152","https://openalex.org/W1969697158","https://openalex.org/W2030329751","https://openalex.org/W2279585093"],"abstract_inverted_index":{"For":[0],"the":[1,14,18,30,34,42,57],"two-user":[2],"Gaussian":[3],"interference":[4,49],"channel":[5],"we":[6],"show":[7],"that,":[8],"up":[9],"to":[10,59,64],"second":[11],"order":[12],"in":[13,41],"signal-to-noise":[15],"ratio":[16],"(SNR),":[17],"mutual":[19],"information":[20],"between":[21],"each":[22],"transmitter":[23],"and":[24],"intended":[25],"receiver":[26],"depends":[27],"only":[28],"on":[29],"covariance":[31],"matrices":[32],"of":[33],"input":[35],"distributions.":[36],"Our":[37],"analysis":[38],"suggests":[39],"that":[40],"low":[43],"SNR":[44],"regime":[45],"there":[46],"is":[47,54],"an":[48],"threshold":[50],"above":[51],"which":[52],"it":[53],"better":[55],"for":[56],"users":[58],"alternate":[60],"signal":[61],"transmission":[62],"than":[63],"transmit":[65],"simultaneously.":[66]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
