{"id":"https://openalex.org/W6907389580","doi":"https://doi.org/10.21227/mrvj-ay91","title":"Geographic coordinates of farms","display_name":"Geographic coordinates of farms","publication_year":2023,"publication_date":"2023-07-27","ids":{"openalex":"https://openalex.org/W6907389580","doi":"https://doi.org/10.21227/mrvj-ay91"},"language":"en","primary_location":{"id":"doi:10.21227/mrvj-ay91","is_oa":true,"landing_page_url":"https://doi.org/10.21227/mrvj-ay91","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dataset"},"type":"dataset","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.21227/mrvj-ay91","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Lin, Kaiqiang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lin, Kaiqiang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Ullah,  Muhammad Asad","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ullah,  Muhammad Asad","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Alves, Hirley","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alves, Hirley","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Mikhaylov, Konstantin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mikhaylov, Konstantin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"Hao, Tong","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hao, Tong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"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":true,"primary_topic":null,"topics":[],"keywords":[{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.544700026512146},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.522599995136261},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.4894999861717224},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.48420000076293945},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.47049999237060547},{"id":"https://openalex.org/keywords/collision","display_name":"Collision","score":0.3508000075817108},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.3490000069141388},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.3458999991416931}],"concepts":[{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.544700026512146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5339000225067139},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.522599995136261},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4894999861717224},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.48420000076293945},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.47049999237060547},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4350999891757965},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.38850000500679016},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.3508000075817108},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.3490000069141388},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.3458999991416931},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3303000032901764},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3276999890804291},{"id":"https://openalex.org/C39399123","wikidata":"https://www.wikidata.org/wiki/Q1348989","display_name":"Earth observation","level":3,"score":0.32420000433921814},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.3156000077724457},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.31290000677108765},{"id":"https://openalex.org/C107826830","wikidata":"https://www.wikidata.org/wiki/Q929380","display_name":"Environmental resource management","level":1,"score":0.28769999742507935},{"id":"https://openalex.org/C71813955","wikidata":"https://www.wikidata.org/wiki/Q503560","display_name":"Ground-penetrating radar","level":3,"score":0.28690001368522644},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2833000123500824},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.28200000524520874},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.2800999879837036},{"id":"https://openalex.org/C41856607","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"Geographic information system","level":2,"score":0.2678999900817871},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.2524000108242035},{"id":"https://openalex.org/C132829578","wikidata":"https://www.wikidata.org/wiki/Q581151","display_name":"Situated","level":2,"score":0.25220000743865967}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21227/mrvj-ay91","is_oa":true,"landing_page_url":"https://doi.org/10.21227/mrvj-ay91","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Dataset"}],"best_oa_location":{"id":"doi:10.21227/mrvj-ay91","is_oa":true,"landing_page_url":"https://doi.org/10.21227/mrvj-ay91","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dataset"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.6466606259346008,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Wireless":[0],"underground":[1,43,57,144],"sensor":[2],"networks":[3,84,166],"(WUSNs)":[4],"promise":[5],"to":[6,95,140],"deliver":[7],"substantial":[8],"social":[9],"and":[10,85,89,105,129,147,167,189],"economic":[11],"benefits":[12],"across":[13],"different":[14],"verticals.":[15],"However,":[16,153],"many":[17],"of":[18,51,107,120,179],"the":[19,42,49,52,56,64,68,77,103,115,118,121,124,136,143,148,154,172,186,190],"relevant":[20],"application":[21,99],"scenarios":[22],"are":[23],"located":[24,175],"in":[25,39],"remote":[26],"areas":[27],"with":[28,114,142],"no":[29],"supporting":[30],"infrastructure":[31],"available.":[32],"To":[33],"address":[34],"this":[35,40],"challenge,":[36],"we":[37,92,184],"conceptualize":[38],"study":[41],"direct-to-satellite":[44],"(U-DtS)":[45],"connectivity":[46,170],"approach,":[47],"implying":[48],"reception":[50],"signals":[53],"sent":[54],"by":[55,63,75],"massive":[58],"machine-type":[59],"communication":[60,130],"(mMTC)":[61],"sensors":[62],"gateways":[65],"operating":[66],"on":[67,111,117],"low":[69],"Earth":[70],"orbit":[71],"satellites.":[72],"We":[73],"start":[74],"discussing":[76],"two":[78],"alternative":[79],"architectures":[80],"for":[81,101,164,171,193],"enabling":[82],"such":[83],"underline":[86],"their":[87],"features":[88],"limitations.":[90],"Then,":[91],"employ":[93],"simulations":[94],"model":[96],"a":[97,177],"smart-farming":[98],"scenario":[100],"studying":[102],"feasibility":[104],"performance":[106],"U-DtS":[108,165,195],"mMTC":[109],"based":[110],"LoRaWAN":[112],"technology,":[113],"focus":[116],"effect":[119],"parameters":[122],"including":[123],"burial":[125],"depths,":[126],"soils":[127],"characteristics,":[128],"settings.":[131],"Our":[132],"results":[133],"reveal":[134],"that":[135],"LoRa":[137],"modulation":[138,161],"fails":[139],"compete":[141],"propagation":[145],"losses":[146],"high":[149],"packets":[150],"collision":[151],"rate.":[152],"long":[155],"range-frequency":[156],"hopping":[157],"spread":[158],"spectrum":[159],"(LR-FHSS)":[160],"is":[162],"perspective":[163],"may":[168],"enable":[169],"subsurface":[173],"nodes":[174],"at":[176],"depth":[178],"several":[180],"dozens":[181],"centimeters.":[182],"Finally,":[183],"pinpoint":[185],"potential":[187],"challenges":[188],"research":[191],"directions":[192],"future":[194],"studies.":[196]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2025-10-10T00:00:00"}
