{"id":"https://openalex.org/W4409683584","doi":"https://doi.org/10.1109/tvt.2025.3563460","title":"Parallel IRS-Assisted Channel Estimation Based on Frequency Shifting","display_name":"Parallel IRS-Assisted Channel Estimation Based on Frequency Shifting","publication_year":2025,"publication_date":"2025-04-22","ids":{"openalex":"https://openalex.org/W4409683584","doi":"https://doi.org/10.1109/tvt.2025.3563460"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3563460","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3563460","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Vehicular Technology","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/1983/b4f93158-bae2-4cf3-9e61-1a6623a03958","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5104155797","display_name":"Yiyang Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yiyang Liang","raw_affiliation_strings":["School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK"],"raw_orcid":"https://orcid.org/0009-0000-1282-5825","affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074392353","display_name":"Shuping Dang","orcid":"https://orcid.org/0000-0002-0018-815X"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Shuping Dang","raw_affiliation_strings":["School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK"],"raw_orcid":"https://orcid.org/0000-0002-0018-815X","affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090998891","display_name":"Angela Doufexi","orcid":"https://orcid.org/0000-0003-0133-6676"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Angela Doufexi","raw_affiliation_strings":["School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK"],"raw_orcid":"https://orcid.org/0000-0003-0133-6676","affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"School of Electrical, Electronic and Mechanical Engineering, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I36234482"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05659726,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":"9","first_page":"14154","last_page":"14168"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9596999883651733,"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/T10232","display_name":"Optical Network Technologies","score":0.9596999883651733,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9510999917984009,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9348999857902527,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/computer-science","display_name":"Computer science","score":0.48942771553993225},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4865269064903259},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45942050218582153},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3309199810028076},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3242475390434265},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.28221744298934937}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48942771553993225},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4865269064903259},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45942050218582153},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3309199810028076},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3242475390434265},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.28221744298934937}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tvt.2025.3563460","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3563460","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Vehicular Technology","raw_type":"journal-article"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/b4f93158-bae2-4cf3-9e61-1a6623a03958","is_oa":true,"landing_page_url":"https://hdl.handle.net/1983/b4f93158-bae2-4cf3-9e61-1a6623a03958","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Liang, Y, Dang, S & Doufexi, A 2025, 'Parallel IRS-Assisted Channel Estimation Based on Frequency Shifting', IEEE Transactions on Vehicular Technology, vol. 74, no. 9, pp. 14154-14168. https://doi.org/10.1109/TVT.2025.3563460","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire/b4f93158-bae2-4cf3-9e61-1a6623a03958","is_oa":true,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/b4f93158-bae2-4cf3-9e61-1a6623a03958","pdf_url":"https://research-information.bris.ac.uk/files/458430455/IEEE_TRANS.pdf","source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Liang, Y, Dang, S & Doufexi, A 2025, 'Parallel IRS-Assisted Channel Estimation Based on Frequency Shifting', IEEE Transactions on Vehicular Technology, vol. 74, no. 9, pp. 14154-14168. https://doi.org/10.1109/TVT.2025.3563460","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:research-information.bris.ac.uk:publications/b4f93158-bae2-4cf3-9e61-1a6623a03958","is_oa":true,"landing_page_url":"https://hdl.handle.net/1983/b4f93158-bae2-4cf3-9e61-1a6623a03958","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Liang, Y, Dang, S & Doufexi, A 2025, 'Parallel IRS-Assisted Channel Estimation Based on Frequency Shifting', IEEE Transactions on Vehicular Technology, vol. 74, no. 9, pp. 14154-14168. https://doi.org/10.1109/TVT.2025.3563460","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1568307856","https://openalex.org/W1596533223","https://openalex.org/W1888890775","https://openalex.org/W2082432933","https://openalex.org/W2109005286","https://openalex.org/W2133111418","https://openalex.org/W2901348109","https://openalex.org/W2937693915","https://openalex.org/W2953984813","https://openalex.org/W2964129085","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2985466239","https://openalex.org/W2990747873","https://openalex.org/W2994742101","https://openalex.org/W3002159761","https://openalex.org/W3008356568","https://openalex.org/W3011747750","https://openalex.org/W3027118737","https://openalex.org/W3034281970","https://openalex.org/W3106758637","https://openalex.org/W3107299515","https://openalex.org/W3133878048","https://openalex.org/W3134059753","https://openalex.org/W3134296359","https://openalex.org/W3134690199","https://openalex.org/W3159369509","https://openalex.org/W3195605735","https://openalex.org/W3199166544","https://openalex.org/W3204184545","https://openalex.org/W3208411259","https://openalex.org/W4312557000","https://openalex.org/W4385267487","https://openalex.org/W4385800801","https://openalex.org/W4393305224"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Intelligent":[0],"reflecting":[1],"surface":[2],"(IRS)":[3],"has":[4],"recently":[5],"emerged":[6],"as":[7,91],"a":[8,36,66,135],"prominent":[9],"communication":[10,18,26],"paradigm":[11],"due":[12,57],"to":[13,16,58,74,141],"its":[14],"adaptability":[15],"wireless":[17],"environments":[19],"and":[20,103,116,125,165,169],"low":[21,173],"hardware":[22],"cost.":[23],"In":[24,61],"IRS-assisted":[25],"systems,":[27],"channel":[28,43,76,109,123,170],"state":[29],"information":[30],"(CSI)":[31],"is":[32],"essential":[33],"for":[34,120],"achieving":[35,162],"high":[37,48],"beamforming":[38,137],"gain.":[39],"However,":[40],"conventional":[41],"IRS":[42,140],"estimations":[44],"suffer":[45],"from":[46],"the":[47,54,81,96,104,127,143,153],"complexity":[49],"of":[50,84,98],"IRS-related":[51,85],"channels,":[52,86],"increasing":[53],"estimation":[55,68,77,110,118,124,128,155,171],"cost":[56],"serial":[59],"processing.":[60],"this":[62],"paper,":[63],"we":[64,113,133],"propose":[65],"novel":[67],"method":[69],"that":[70,152],"leverages":[71],"frequency":[72],"shifts":[73],"improve":[75,142],"efficiency,":[78],"which":[79],"exploits":[80],"unique":[82],"characteristics":[83],"utilizing":[87],"multiple":[88],"reflected":[89],"signals":[90,160],"references.":[92],"We":[93],"also":[94],"investigate":[95],"impact":[97],"individual":[99],"channels'":[100],"statistical":[101],"properties":[102],"reference":[105],"signal's":[106],"length":[107],"on":[108,131],"performance.":[111],"Furthermore,":[112],"introduce":[114],"parallel":[115],"grouping":[117],"schemes":[119],"progressively":[121],"element-wise":[122],"accelerate":[126],"process.":[129],"Based":[130],"these,":[132],"design":[134],"corresponding":[136],"scheme":[138],"at":[139],"achievable":[144],"data":[145],"transmission":[146,168],"rate.":[147],"Extensive":[148],"numerical":[149],"results":[150],"validate":[151],"proposed":[154],"methods":[156],"can":[157],"replace":[158],"pilot":[159],"while":[161],"comparable":[163],"accuracy":[164],"enabling":[166],"simultaneous":[167],"with":[172],"computational":[174],"load":[175],"per":[176],"time":[177],"slot.":[178]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}