{"id":"https://openalex.org/W3039830563","doi":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129419","title":"Pilot Spacing Adaptation in OFDM for a Flexible Next Generation Waveform","display_name":"Pilot Spacing Adaptation in OFDM for a Flexible Next Generation Waveform","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3039830563","doi":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129419","mag":"3039830563"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2020-spring48590.2020.9129419","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129419","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","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/A5103016249","display_name":"Zaid Khan","orcid":"https://orcid.org/0000-0003-3420-4004"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Zaid Khan","raw_affiliation_strings":["Center for Advanced Research in Engineering, Islamabad, Pakistan"],"affiliations":[{"raw_affiliation_string":"Center for Advanced Research in Engineering, Islamabad, Pakistan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035362934","display_name":"Muhammad Danish Nisar","orcid":"https://orcid.org/0000-0002-9190-3162"},"institutions":[{"id":"https://openalex.org/I34478861","display_name":"Sir Syed University of Engineering and Technology","ror":"https://ror.org/02n4kqn31","country_code":"PK","type":"education","lineage":["https://openalex.org/I34478861"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"M. Danish Nisar","raw_affiliation_strings":["Sir Syed CASE Institute of Technology, Islamabad, Pakistan"],"affiliations":[{"raw_affiliation_string":"Sir Syed CASE Institute of Technology, Islamabad, Pakistan","institution_ids":["https://openalex.org/I34478861"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103016249"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.05760833,"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":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T11873","display_name":"PAPR reduction in OFDM","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":0.9998000264167786,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8341037034988403},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6750219464302063},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5865230560302734},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5777929425239563},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.545569896697998},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5418144464492798},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5294225811958313},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5213626623153687},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.46964284777641296},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.458446741104126},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.44818615913391113},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4228460192680359},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.41851380467414856},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.41486573219299316},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4133594334125519},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2537596821784973},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15833720564842224}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8341037034988403},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6750219464302063},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5865230560302734},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5777929425239563},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.545569896697998},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5418144464492798},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5294225811958313},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5213626623153687},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.46964284777641296},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.458446741104126},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.44818615913391113},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4228460192680359},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.41851380467414856},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.41486573219299316},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4133594334125519},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2537596821784973},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15833720564842224},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2020-spring48590.2020.9129419","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2020-spring48590.2020.9129419","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1785645495","https://openalex.org/W1923769013","https://openalex.org/W2054692642","https://openalex.org/W2097234978","https://openalex.org/W2111802688","https://openalex.org/W2113945550","https://openalex.org/W2128835302","https://openalex.org/W2171153909","https://openalex.org/W2171646033","https://openalex.org/W2334392248","https://openalex.org/W2589078119","https://openalex.org/W2962967182","https://openalex.org/W3103126557"],"related_works":["https://openalex.org/W4327521644","https://openalex.org/W1485487340","https://openalex.org/W2024145902","https://openalex.org/W55148799","https://openalex.org/W2466005243","https://openalex.org/W1557880800","https://openalex.org/W2060596160","https://openalex.org/W2101630099","https://openalex.org/W4290996306","https://openalex.org/W2089133547"],"abstract_inverted_index":{"With":[0],"an":[1,32],"ever":[2],"increasing":[3],"demand":[4],"for":[5,37],"data":[6],"rates":[7],"over":[8],"limited":[9],"bandwidth,":[10],"spectral":[11,154],"efficiency":[12],"(SE)":[13],"has":[14],"become":[15],"one":[16],"of":[17,21,71,102,112,135,156],"the":[18,63,68,72,85,90,94,118,166],"main":[19],"areas":[20],"interest":[22],"in":[23,47,79,97,133,145],"future":[24],"wireless":[25],"communication.":[26],"In":[27,58],"this":[28],"paper,":[29],"we":[30,104],"propose":[31],"adaptive":[33],"pilot":[34,77,120,131],"spacing":[35,78,121],"scheme":[36],"Pilot":[38],"Symbol":[39],"Assisted":[40],"Orthogonal":[41],"Frequency":[42],"Division":[43],"Multiplexing":[44],"(PSA-OFDM)":[45],"systems":[46],"order":[48],"to":[49,60,158],"enhance":[50],"SE":[51],"while":[52,92],"not":[53],"compromising":[54],"channel":[55,74,113,136],"estimate":[56],"performance.":[57],"contrast":[59],"traditional":[61],"approaches,":[62],"technique":[64],"takes":[65],"into":[66],"account":[67],"frequency":[69,80,114],"selectivity":[70,115],"user":[73],"and":[75,116,141],"adjusts":[76],"domain":[81],"accordingly.":[82],"We":[83],"utilize":[84],"existing":[86],"FFT":[87],"module":[88],"at":[89],"receiver":[91],"exploiting":[93],"Nyquist":[95],"theorem":[96],"Fourier":[98],"domain.":[99],"For":[100],"proof":[101],"concept,":[103],"simulated":[105],"a":[106,153],"PSA-OFDM":[107],"system":[108],"under":[109],"varying":[110],"degrees":[111],"employed":[117],"proposed":[119,125,167],"adaptation":[122],"technique.":[123],"The":[124],"method":[126],"is":[127,150],"compared":[128],"with":[129],"block-type":[130],"transmission":[132],"terms":[134],"estimation":[137],"Mean":[138],"Square":[139],"Error":[140,143],"Bit":[142],"Rate":[144],"Rayleigh":[146],"fading":[147],"channels.":[148],"It":[149],"shown":[151],"that":[152],"gain":[155],"up":[157],"1.75":[159],"dB":[160],"can":[161],"be":[162],"achieved":[163],"by":[164],"adopting":[165],"scheme.":[168]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
