{"id":"https://openalex.org/W4321608000","doi":"https://doi.org/10.1109/lcomm.2023.3248158","title":"IRS-Aided Communications With Finite-Alphabet Inputs: Analysis and Design","display_name":"IRS-Aided Communications With Finite-Alphabet Inputs: Analysis and Design","publication_year":2023,"publication_date":"2023-02-23","ids":{"openalex":"https://openalex.org/W4321608000","doi":"https://doi.org/10.1109/lcomm.2023.3248158"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2023.3248158","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3248158","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/A5100409288","display_name":"Hao Xu","orcid":"https://orcid.org/0000-0002-8972-8115"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hao Xu","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037893093","display_name":"Chongjun Ouyang","orcid":"https://orcid.org/0000-0003-1293-1104"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chongjun Ouyang","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008494532","display_name":"Hongwen Yang","orcid":"https://orcid.org/0000-0002-7541-8474"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwen Yang","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100409288"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.5355,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.62936911,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"27","issue":"4","first_page":"1110","last_page":"1114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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":0.9923999905586243,"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":0.9898999929428101,"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":0.7677250504493713},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6214195489883423},{"id":"https://openalex.org/keywords/mutual-information","display_name":"Mutual information","score":0.6048179268836975},{"id":"https://openalex.org/keywords/emi","display_name":"EMI","score":0.5752315521240234},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.5439786911010742},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.4972887337207794},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4901183545589447},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47760602831840515},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.471996545791626},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.469249963760376},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.45013418793678284},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.44243958592414856},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4298056364059448},{"id":"https://openalex.org/keywords/information-theory","display_name":"Information theory","score":0.4164816737174988},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3926967978477478},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.367181658744812},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3486670255661011},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3154820203781128},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3071383833885193},{"id":"https://openalex.org/keywords/electromagnetic-interference","display_name":"Electromagnetic interference","score":0.14965605735778809},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1470019519329071},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14153316617012024},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.11587598919868469}],"concepts":[{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.7677250504493713},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6214195489883423},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.6048179268836975},{"id":"https://openalex.org/C43461449","wikidata":"https://www.wikidata.org/wiki/Q2495531","display_name":"EMI","level":3,"score":0.5752315521240234},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.5439786911010742},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.4972887337207794},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4901183545589447},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47760602831840515},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.471996545791626},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.469249963760376},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.45013418793678284},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.44243958592414856},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4298056364059448},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.4164816737174988},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3926967978477478},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.367181658744812},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3486670255661011},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3154820203781128},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3071383833885193},{"id":"https://openalex.org/C184892835","wikidata":"https://www.wikidata.org/wiki/Q1474513","display_name":"Electromagnetic interference","level":2,"score":0.14965605735778809},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1470019519329071},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14153316617012024},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.11587598919868469},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/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/lcomm.2023.3248158","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2023.3248158","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":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.5099999904632568}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W151604921","https://openalex.org/W615589970","https://openalex.org/W1972485395","https://openalex.org/W1990208398","https://openalex.org/W2049853892","https://openalex.org/W2084304524","https://openalex.org/W2161613033","https://openalex.org/W2295513759","https://openalex.org/W2963355537","https://openalex.org/W2964248347","https://openalex.org/W2978330116","https://openalex.org/W3045295509","https://openalex.org/W3084194173","https://openalex.org/W3105416149","https://openalex.org/W3117633996","https://openalex.org/W3150480006","https://openalex.org/W3159402647","https://openalex.org/W3162615366","https://openalex.org/W3193247573","https://openalex.org/W3198695922","https://openalex.org/W4211120851","https://openalex.org/W4286569366","https://openalex.org/W4312765029"],"related_works":["https://openalex.org/W2426592751","https://openalex.org/W2981790152","https://openalex.org/W4385288116","https://openalex.org/W2350800846","https://openalex.org/W2941905731","https://openalex.org/W4364385708","https://openalex.org/W2017218696","https://openalex.org/W2912284747","https://openalex.org/W2107030566","https://openalex.org/W4321608000"],"abstract_inverted_index":{"This":[0],"letter":[1],"analyzes":[2],"the":[3,26,39,42,53,60,64,71,75,88,92,98,104,107],"ergodic":[4],"mutual":[5],"information":[6],"(EMI)":[7],"of":[8,28,44,66,91],"an":[9],"intelligent":[10],"reflecting":[11],"surface":[12],"(IRS)-aided":[13],"communication":[14],"system":[15,31],"with":[16],"finite-alphabet":[17],"inputs":[18],"relying":[19],"on":[20],"statistical":[21],"channel":[22],"state":[23],"information.":[24],"For":[25],"sake":[27],"unveiling":[29],"important":[30],"design":[32,87],"insights,":[33],"asymptotic":[34],"analyses":[35],"are":[36,84,110],"performed":[37],"to":[38,56,86,96],"EMI":[40,54],"in":[41,59,94],"regime":[43,62],"high":[45],"signal-to-noise":[46],"ratio":[47],"(SNR).":[48],"It":[49],"is":[50,68],"found":[51],"that":[52],"converges":[55],"some":[57],"constant":[58],"high-SNR":[61],"and":[63,74],"rate":[65],"convergence":[67],"determined":[69],"by":[70],"diversity":[72],"order":[73,95],"array":[76,99],"gain.":[77],"On":[78],"this":[79],"basis,":[80],"two":[81],"efficient":[82],"algorithms":[83],"proposed":[85],"phase":[89],"shifts":[90],"IRS":[93],"improve":[97],"gain":[100],"as":[101,103],"well":[102],"EMI.":[105],"All":[106],"analytical":[108],"results":[109],"verified":[111],"through":[112],"computer":[113],"simulations.":[114]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
