{"id":"https://openalex.org/W4320029320","doi":"https://doi.org/10.1109/globecom48099.2022.10001144","title":"Flowing the Information from Shannon to Fisher: Towards the Fundamental Tradeoff in ISAC","display_name":"Flowing the Information from Shannon to Fisher: Towards the Fundamental Tradeoff in ISAC","publication_year":2022,"publication_date":"2022-12-04","ids":{"openalex":"https://openalex.org/W4320029320","doi":"https://doi.org/10.1109/globecom48099.2022.10001144"},"language":"en","primary_location":{"id":"doi:10.1109/globecom48099.2022.10001144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom48099.2022.10001144","pdf_url":null,"source":{"id":"https://openalex.org/S4363607705","display_name":"GLOBECOM 2022 - 2022 IEEE Global Communications Conference","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2022 - 2022 IEEE Global Communications Conference","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/A5069325952","display_name":"Yifeng Xiong","orcid":"https://orcid.org/0000-0002-4290-7116"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]},{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["CN","GB"],"is_corresponding":true,"raw_author_name":"Yifeng Xiong","raw_affiliation_strings":["School of Electronics and Computer Science, University of Southampton,Southampton,UK","Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China","School of Electronics and Computer Science, University of Southampton, Southampton, UK"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Computer Science, University of Southampton,Southampton,UK","institution_ids":["https://openalex.org/I43439940"]},{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"School of Electronics and Computer Science, University of Southampton, Southampton, UK","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100371038","display_name":"Fan Liu","orcid":"https://orcid.org/0000-0002-5299-9317"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Liu","raw_affiliation_strings":["Southern University of Science and Technology,Department of Electronic and Electrical Engineering,Shenzhen,China","Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Southern University of Science and Technology,Department of Electronic and Electrical Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102974426","display_name":"Yuanhao Cui","orcid":"https://orcid.org/0000-0001-6323-8559"},"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"]},{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanhao Cui","raw_affiliation_strings":["School of Information and Communication Engineering, Beijing University of Posts & Telecommunications,Beijing,China","Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Beijing University of Posts & Telecommunications,Beijing,China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011236120","display_name":"Weijie Yuan","orcid":"https://orcid.org/0000-0002-2158-0046"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijie Yuan","raw_affiliation_strings":["Southern University of Science and Technology,Department of Electronic and Electrical Engineering,Shenzhen,China","Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Southern University of Science and Technology,Department of Electronic and Electrical Engineering,Shenzhen,China","institution_ids":["https://openalex.org/I3045169105"]},{"raw_affiliation_string":"Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112456575","display_name":"Tony Xiao Han","orcid":null},"institutions":[{"id":"https://openalex.org/I4210160618","display_name":"Huawei Technologies (United Kingdom)","ror":"https://ror.org/056gzgs71","country_code":"GB","type":"company","lineage":["https://openalex.org/I2250955327","https://openalex.org/I4210160618"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Tony Xiao Han","raw_affiliation_strings":["Huawei Technologies Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Huawei Technologies Co., Ltd","institution_ids":["https://openalex.org/I4210160618"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5069325952"],"corresponding_institution_ids":["https://openalex.org/I3045169105","https://openalex.org/I43439940"],"apc_list":null,"apc_paid":null,"fwci":9.2805,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.99068409,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"5601","last_page":"5606"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9998999834060669,"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9998999834060669,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998000264167786,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.6685104966163635},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5887168645858765},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5796102285385132},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5490489602088928},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.5004580020904541},{"id":"https://openalex.org/keywords/information-theory","display_name":"Information theory","score":0.47088250517845154},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4380181133747101},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4189285933971405},{"id":"https://openalex.org/keywords/fisher-information","display_name":"Fisher information","score":0.4159516990184784},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.383951872587204},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.38218244910240173},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21870195865631104},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21233487129211426},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14754363894462585},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1336698830127716},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.09881559014320374},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.08421292901039124}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6685104966163635},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5887168645858765},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5796102285385132},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5490489602088928},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.5004580020904541},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.47088250517845154},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4380181133747101},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4189285933971405},{"id":"https://openalex.org/C29406490","wikidata":"https://www.wikidata.org/wiki/Q1420659","display_name":"Fisher information","level":2,"score":0.4159516990184784},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.383951872587204},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38218244910240173},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21870195865631104},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21233487129211426},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14754363894462585},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1336698830127716},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.09881559014320374},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.08421292901039124},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom48099.2022.10001144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom48099.2022.10001144","pdf_url":null,"source":{"id":"https://openalex.org/S4363607705","display_name":"GLOBECOM 2022 - 2022 IEEE Global Communications Conference","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2022 - 2022 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5699999928474426,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1536252645","https://openalex.org/W1976659183","https://openalex.org/W2015775929","https://openalex.org/W2053340154","https://openalex.org/W2077305791","https://openalex.org/W2099111195","https://openalex.org/W2111616148","https://openalex.org/W2116102644","https://openalex.org/W2755061881","https://openalex.org/W2962806269","https://openalex.org/W2976764014","https://openalex.org/W3072033075","https://openalex.org/W3097164986","https://openalex.org/W3155535021","https://openalex.org/W3176932558","https://openalex.org/W3194620979","https://openalex.org/W3200820186","https://openalex.org/W3212440979","https://openalex.org/W3213070675","https://openalex.org/W4205204500","https://openalex.org/W4220879580","https://openalex.org/W4300840296","https://openalex.org/W4320029320","https://openalex.org/W6849595545"],"related_works":["https://openalex.org/W2605711323","https://openalex.org/W2114041665","https://openalex.org/W2103236816","https://openalex.org/W4380714911","https://openalex.org/W2079551935","https://openalex.org/W14655689","https://openalex.org/W2964004529","https://openalex.org/W2203957096","https://openalex.org/W2818944388","https://openalex.org/W3039648158"],"abstract_inverted_index":{"Integrated":[0],"Sensing":[1],"and":[2,31,59,87],"Communication":[3],"(ISAC)":[4],"is":[5,39],"recognized":[6],"as":[7],"a":[8,21,35,61,88],"promising":[9],"technology":[10],"for":[11],"the":[12,26,49,56,66,71,76,83,93,97,111,114,118],"next-generation":[13],"wireless":[14],"networks.":[15],"In":[16,45],"this":[17],"paper,":[18],"we":[19,47,102],"provide":[20],"general":[22],"framework":[23],"to":[24,41,54,92],"reveal":[25],"fundamental":[27],"tradeoff":[28],"between":[29],"sensing":[30],"communications":[32],"(S&C),":[33],"where":[34],"unified":[36],"ISAC":[37],"waveform":[38,86],"exploited":[40],"perform":[42],"dual-functional":[43],"tasks.":[44],"particular,":[46],"define":[48],"Cram\u00e9r-Rao":[50],"bound":[51,64],"(CRB)-rate":[52],"region":[53,78],"characterize":[55],"S&C":[57],"tradeoff,":[58],"propose":[60],"pentagon":[62],"inner":[63],"of":[65,75,113],"region.":[67],"We":[68],"show":[69],"that":[70],"two":[72],"corner":[73],"points":[74],"CRB-rate":[77,115],"can":[79],"be":[80],"achieved":[81],"by":[82],"conventional":[84],"Gaussian":[85],"novel":[89],"strategy":[90],"corresponding":[91],"uniform":[94],"distribution":[95],"over":[96],"Stiefel":[98],"manifold,":[99],"respectively.":[100],"Moreover,":[101],"also":[103],"offer":[104],"our":[105],"insights":[106],"into":[107],"transmission":[108],"approaches":[109],"achieving":[110],"boundary":[112],"region,":[116],"namely":[117],"Shannon-Fisher":[119],"information":[120],"flow.":[121]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":3}],"updated_date":"2026-02-27T16:54:17.756197","created_date":"2025-10-10T00:00:00"}