{"id":"https://openalex.org/W1998892054","doi":"https://doi.org/10.4304/jnw.9.4.1047-1054","title":"An Improved Channel Estimation Method based on Jointly Preprocessing of Time-frequency Domain in TD-LTE System","display_name":"An Improved Channel Estimation Method based on Jointly Preprocessing of Time-frequency Domain in TD-LTE System","publication_year":2014,"publication_date":"2014-04-01","ids":{"openalex":"https://openalex.org/W1998892054","doi":"https://doi.org/10.4304/jnw.9.4.1047-1054","mag":"1998892054"},"language":"en","primary_location":{"id":"doi:10.4304/jnw.9.4.1047-1054","is_oa":false,"landing_page_url":"https://doi.org/10.4304/jnw.9.4.1047-1054","pdf_url":null,"source":{"id":"https://openalex.org/S189188848","display_name":"Journal of Networks","issn_l":"1796-2056","issn":["1796-2056"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Networks","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/A5100956010","display_name":"Jianning Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Jianning Yang","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060060245","display_name":"Kun\u2010Wei Lin","orcid":"https://orcid.org/0000-0002-4469-5428"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kun Lin","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100457290","display_name":"Zhao Xie","orcid":"https://orcid.org/0000-0001-9834-4730"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xie Zhao","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100956010"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2093,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.57341676,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"9","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication 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/T10125","display_name":"Advanced Wireless Communication 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/T10575","display_name":"Wireless Communication Networks Research","score":0.9994000196456909,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9966999888420105,"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/computer-science","display_name":"Computer science","score":0.942313015460968},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6138468384742737},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6073040962219238},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.6057015657424927},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.5727190375328064},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.5507022142410278},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4588809907436371},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44933271408081055},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4165247678756714},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.38105133175849915},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20841845870018005},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.08699533343315125}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.942313015460968},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6138468384742737},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6073040962219238},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.6057015657424927},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.5727190375328064},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5507022142410278},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4588809907436371},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44933271408081055},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4165247678756714},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38105133175849915},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20841845870018005},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.08699533343315125},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"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/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4304/jnw.9.4.1047-1054","is_oa":false,"landing_page_url":"https://doi.org/10.4304/jnw.9.4.1047-1054","pdf_url":null,"source":{"id":"https://openalex.org/S189188848","display_name":"Journal of Networks","issn_l":"1796-2056","issn":["1796-2056"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Networks","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6800000071525574,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1593867524","https://openalex.org/W2026919112","https://openalex.org/W2088801740","https://openalex.org/W2098117176","https://openalex.org/W2098660254","https://openalex.org/W2103699908","https://openalex.org/W2109211694","https://openalex.org/W2112300062","https://openalex.org/W2120253187","https://openalex.org/W2122086235","https://openalex.org/W2130262149","https://openalex.org/W2145417574","https://openalex.org/W2616400984","https://openalex.org/W2618554139","https://openalex.org/W6674625002","https://openalex.org/W6676760544","https://openalex.org/W6677936194"],"related_works":["https://openalex.org/W2782295999","https://openalex.org/W2162306796","https://openalex.org/W1970292246","https://openalex.org/W4247952185","https://openalex.org/W1895367623","https://openalex.org/W1642462315","https://openalex.org/W2015118744","https://openalex.org/W2005619368","https://openalex.org/W2065140124","https://openalex.org/W1879092539"],"abstract_inverted_index":{"As":[0],"we":[1,124],"know,":[2],"LTE":[3,31],"is":[4,13,32,42,66,81,119,154,158,168,199,222],"the":[5,8,15,25,48,56,61,64,70,73,77,84,108,133,148,162,165,173,178,182,189,196,201,208,226,231,234,243,248],"transition":[6],"between":[7],"3G":[9],"and":[10,12,23,38,72,101,180,188,215],"4G":[11],"also":[14],"global":[16],"standard":[17],"of":[18,29,233,253],"3.9G,":[19],"which":[20,193],"has":[21,246],"improved":[22,142,247],"enhanced":[24],"air":[26],"interface":[27],"technology":[28],"3G.":[30],"characterized":[33],"into":[34],"two":[35],"cases:":[36,164],"LTE-FDD":[37],"LTE-TDD.":[39],"Since":[40],"LTE-TDD":[41],"researched":[43],"dominantly":[44],"in":[45,50,60,87,137,151,161,212,216,251],"China,":[46],"all":[47],"studies":[49],"this":[51,122],"paper":[52],"are":[53],"discussed":[54],"under":[55],"TD-LTE":[57],"system.":[58],"However,":[59],"TDD":[62],"system,":[63],"reciprocity":[65],"usually":[67],"assumed":[68],"since":[69],"uplink":[71,88,109,166],"downlink":[74,95,203],"work":[75],"at":[76],"same":[78],"frequency,":[79],"that":[80],"to":[82,92,106,177,224],"say,":[83],"estimated":[85,170,197,209],"channel":[86,110,128,143,167,198,210,221],"can":[89],"be":[90,237],"used":[91,160,223],"guide":[93],"some":[94],"transmission,":[96],"such":[97],"as":[98],"power":[99],"allocation":[100],"so":[102],"on.":[103],"In":[104,121],"order":[105],"estimate":[107],"precisely,":[111],"an":[112,141],"appropriate":[113],"estimation":[114,129,144],"scheme":[115],"with":[116],"good":[117],"performance":[118,232,250],"needed.":[120],"paper,":[123],"have":[125],"studied":[126],"various":[127],"algorithms":[130],"based":[131,146],"on":[132,147],"characteristic":[134],"pilot":[135,175],"structure":[136],"uplink.":[138],"And":[139],"then":[140],"method":[145,157,245],"jointly":[149],"preprocessing":[150],"time-frequency":[152],"domain":[153,214],"proposed.":[155],"This":[156],"mainly":[159],"following":[163],"not":[169,200],"accurately":[171],"via":[172],"successive":[174],"due":[176],"interference":[179],"noise;":[181],"data":[183],"processing":[184],"will":[185,194,236],"introduce":[186],"delay":[187],"user":[190],"moves":[191],"quickly,":[192],"cause":[195],"real":[202],"channel.":[204],"We":[205],"further":[206],"process":[207],"both":[211],"time":[213],"frequency":[217],"domain.":[218],"The":[219],"final":[220],"design":[225],"beam":[227],"forming":[228],"vector,":[229],"thus":[230],"system":[235,249],"improved.":[238],"Simulation":[239],"results":[240],"show":[241],"that,":[242],"proposed":[244],"terms":[252],"bit":[254],"error":[255],"rate.":[256]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
