{"id":"https://openalex.org/W7131679320","doi":"https://doi.org/10.48550/arxiv.2602.21558","title":"Impact of Pointing Errors and Correlated Wall Blockages on Practical Grid-based Indoor Terahertz Communication Systems","display_name":"Impact of Pointing Errors and Correlated Wall Blockages on Practical Grid-based Indoor Terahertz Communication Systems","publication_year":2026,"publication_date":"2026-02-25","ids":{"openalex":"https://openalex.org/W7131679320","doi":"https://doi.org/10.48550/arxiv.2602.21558"},"language":null,"primary_location":{"id":"pmh:doi:10.48550/arxiv.2602.21558","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"publisher-specific-oa","license_id":"https://openalex.org/licenses/publisher-specific-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":null,"any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082302681","display_name":"Zhifeng Tang","orcid":"https://orcid.org/0000-0003-4913-3587"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Tang, Zhifeng","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126878548","display_name":"Nan Yang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yang, Nan","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013548437","display_name":"Salman Durrani","orcid":"https://orcid.org/0000-0002-7124-282X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Durrani, Salman","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126877258","display_name":"Xiangyun Zhou","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhou, Xiangyun","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126888162","display_name":"Josep Miquel Jornet","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jornet, Josep Miquel","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5126896433","display_name":"Markku Juntti","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Juntti, Markku","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5082302681"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.928600013256073,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.928600013256073,"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":0.026399999856948853,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.018699999898672104,"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/beamwidth","display_name":"Beamwidth","score":0.8237000107765198},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5964000225067139},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.570900022983551},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5698000192642212},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5131000280380249},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.4993000030517578},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4984999895095825},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.49790000915527344},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.4900999963283539},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.48910000920295715}],"concepts":[{"id":"https://openalex.org/C190060920","wikidata":"https://www.wikidata.org/wiki/Q4876232","display_name":"Beamwidth","level":3,"score":0.8237000107765198},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5964000225067139},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.570900022983551},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5698000192642212},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.546500027179718},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5131000280380249},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.4993000030517578},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4984999895095825},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.49790000915527344},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.4900999963283539},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.48910000920295715},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44530001282691956},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.4269999861717224},{"id":"https://openalex.org/C128765274","wikidata":"https://www.wikidata.org/wiki/Q663314","display_name":"Hexagonal crystal system","level":2,"score":0.4047999978065491},{"id":"https://openalex.org/C155050386","wikidata":"https://www.wikidata.org/wiki/Q1068623","display_name":"Antenna height considerations","level":3,"score":0.39629998803138733},{"id":"https://openalex.org/C2776292839","wikidata":"https://www.wikidata.org/wiki/Q5179217","display_name":"Coverage probability","level":3,"score":0.3813999891281128},{"id":"https://openalex.org/C30436405","wikidata":"https://www.wikidata.org/wiki/Q210973","display_name":"Cellular communication","level":3,"score":0.3790999948978424},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.3646000027656555},{"id":"https://openalex.org/C135692309","wikidata":"https://www.wikidata.org/wiki/Q111124","display_name":"Square (algebra)","level":2,"score":0.36149999499320984},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.35920000076293945},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.3384000062942505},{"id":"https://openalex.org/C177782964","wikidata":"https://www.wikidata.org/wiki/Q229785","display_name":"3rd Generation Partnership Project 2","level":3,"score":0.3260999917984009},{"id":"https://openalex.org/C41919764","wikidata":"https://www.wikidata.org/wiki/Q1478693","display_name":"Fan-beam antenna","level":5,"score":0.30630001425743103},{"id":"https://openalex.org/C143148639","wikidata":"https://www.wikidata.org/wiki/Q4876192","display_name":"Beam steering","level":3,"score":0.3043999969959259},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.30070000886917114},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3005000054836273},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.2996000051498413},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.29510000348091125},{"id":"https://openalex.org/C109792285","wikidata":"https://www.wikidata.org/wiki/Q174789","display_name":"Millimeter","level":2,"score":0.27900001406669617},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.2777000069618225},{"id":"https://openalex.org/C2988395205","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Beam pattern","level":3,"score":0.27630001306533813},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2718999981880188},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.26750001311302185},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.2667999863624573},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25769999623298645},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.2574000060558319},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.25270000100135803}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:doi:10.48550/arxiv.2602.21558","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"publisher-specific-oa","license_id":"https://openalex.org/licenses/publisher-specific-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"doi:10.48550/arxiv.2602.21558","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.21558","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:doi:10.48550/arxiv.2602.21558","is_oa":true,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":"publisher-specific-oa","license_id":"https://openalex.org/licenses/publisher-specific-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Terahertz":[0],"(THz)":[1],"communications":[2],"has":[3],"emerged":[4],"as":[5,168],"a":[6,54,68,197],"promising":[7],"technology":[8],"for":[9,85,188],"future":[10],"wireless":[11],"systems":[12],"due":[13],"to":[14,17,31,37,82,158,182],"its":[15,114,174],"potential":[16],"support":[18],"extremely":[19],"high":[20],"data":[21],"rates.":[22],"However,":[23],"severe":[24],"path":[25],"loss,":[26,186],"blockage":[27,104,139],"effects,":[28],"and":[29,72,95,110,113,141,149,204,216,228],"sensitivity":[30],"beam":[32,93,193,217],"misalignment":[33],"pose":[34],"major":[35],"challenges":[36],"reliable":[38],"indoor":[39,57,232],"THz":[40,58,233],"communications.":[41],"In":[42,191],"this":[43],"paper,":[44],"we":[45],"investigate":[46],"the":[47,108,143,162,169,226],"coverage":[48,111,134,154,185],"probability":[49],"of":[50,230],"downlink":[51],"transmission":[52],"in":[53,119],"three-dimensional":[55],"(3D)":[56],"communication":[59,234],"system":[60,120],"under":[61],"structured":[62],"access":[63],"point":[64],"(AP)":[65],"deployments,":[66,128],"with":[67,124,165],"focus":[69],"on":[70,161],"square":[71,125],"hexagonal":[73,129],"grid":[74,126],"topologies.":[75],"A":[76],"tractable":[77],"analytical":[78],"framework":[79],"is":[80,156,180],"developed":[81],"jointly":[83],"account":[84],"human":[86],"blockages,":[87],"correlated":[88,137],"wall":[89,103,138],"blockages":[90],"across":[91],"APs,":[92],"training,":[94],"residual":[96],"pointing":[97,178],"error.":[98],"Numerical":[99],"results":[100],"demonstrate":[101],"that":[102],"correlation":[105],"significantly":[106],"reduces":[107],"association":[109],"probabilities,":[112],"impact":[115],"cannot":[116],"be":[117],"neglected":[118],"performance":[121,155],"analysis.":[122],"Compared":[123],"AP":[127],"grids":[130],"consistently":[131],"achieve":[132],"higher":[133],"by":[135],"mitigating":[136],"effects":[140],"reducing":[142],"distances":[144],"between":[145,200],"user":[146],"equipments":[147],"(UEs)":[148],"their":[150],"associated":[151],"APs.":[152],"Furthermore,":[153],"shown":[157],"strongly":[159],"depend":[160],"UE":[163,170],"location,":[164],"noticeable":[166],"degradation":[167],"moves":[171],"away":[172],"from":[173],"nearest":[175],"AP.":[176],"Residual":[177],"error":[179],"found":[181],"introduce":[183],"substantial":[184],"especially":[187],"longer":[189],"links.":[190],"addition,":[192],"training":[194,205,218],"analysis":[195],"reveals":[196],"non-monotonic":[198],"relationship":[199],"antenna":[201,212],"array":[202],"size":[203],"overhead,":[206],"highlighting":[207],"an":[208],"inherent":[209],"tradeoff":[210],"among":[211],"configuration,":[213],"beamwidth":[214],"selection,":[215],"efficiency.":[219],"These":[220],"findings":[221],"provide":[222],"useful":[223],"insights":[224],"into":[225],"design":[227],"deployment":[229],"practical":[231],"systems.":[235]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2026-02-27T00:00:00"}