Mupepeti: Ulink Media
Muhafu yechipiri ya2021, kambani yemuchadenga yekuBritain inonzi SpaceLacuna yakashandisa kekutanga teresikopu yeredhiyo muDwingeloo, Netherlands, kuratidza LoRa kubva kumwedzi. Izvi zvaive kuyedza kunoshamisa maererano nemhando yekutora data, sezvo rimwe remashoko acho raive nefuremu yakazara yeLoRaWAN®.
Lacuna Speed inoshandisa seti yemasatellite epasi-pasi kuti iwane ruzivo kubva kumasensa akabatanidzwa nemidziyo yeLoRa yaSemtech uye tekinoroji yeredhiyo inoenderana nepasi. Satellite iyi inotenderera pamusoro penzvimbo dzepasi maminetsi zana ega ega pakakwirira kwemakiromita mazana mashanu. Sezvo nyika ichitenderera, masatellite anofukidza pasi rose. LoRaWAN inoshandiswa nemasatellite, izvo zvinochengetedza hupenyu hwebhatiri, uye mameseji anochengetwa kwenguva pfupi kusvika apfuura netiweki yezviteshi zvepasi. Data racho rinozotumirwa kune application iri panetwork yepasi kana kuti rinogona kuonekwa paWeb-based application.
Panguva ino, chiratidzo cheLoRa chakatumirwa neLacuna Speed chakatora masekondi 2.44 uye chakagamuchirwa nechipu chimwe chete, chinhambwe chekupararira kwemakiromita angangoita 730,360, icho chingave chiri daro refu kwazvo rekutumira meseji yeLoRa kusvika pari zvino.
Kana zvasvika pakukurukurirana kwesatellite nepasi zvichibva patekinoroji yeLoRa, danho guru rakaitwa pamusangano weTTN (TheThings Network) muna Kukadzi 2018, zvichiratidza mukana wekuti LoRa ishandiswe muInternet yezvinhu zvesatellite. Munguva yekuratidzwa kwezviri kuitika, mugamuchiri akatora masaini eLoRa kubva kusatellite ine denderedzwa rakaderera.
Nhasi uno, kushandisa matekinoroji eIoT aripo ane simba shoma akadai seLoRa kana NB-IoT kupa kutaurirana kwakananga pakati pemidziyo yeIoT nemasetiraiti ari kutenderera pasi rose kunogona kutorwa sechikamu chemusika weWAN une simba shoma. Matekinoroji aya anonakidza kusvika kukosha kwawo kwekutengeserana kwagamuchirwa zvakanyanya.
Semtech yakatanga LR-FHSS kuti izadze mukaha wemusika muIoT Connectivity
Semtech anga achishanda paLR-FHSS kwemakore mashoma apfuura uye akazivisa zviri pamutemo kuwedzerwa kwerutsigiro rweLR-FHSS kupuratifomu yeLoRa pakupera kwa2021.
LR-FHSS inonzi LongRange - Frequency Hopping SpreadSpectrum. Kufanana neLoRa, inyanzvi yekushandura mafambiro emagetsi ine mashandiro akafanana neLoRa, akadai sekunzwisisa, rutsigiro rwebandwidth, nezvimwewo.
LR-FHSS inokwanisa kutsigira mamiriyoni ema "end nodes" mudzidziso, izvo zvinowedzera kugona kwe network uye zvinogadzirisa dambudziko rekuvharika kwe "channel congestion" iro raimbove rakaderedza kukura kweLoRaWAN. Pamusoro pezvo, LR-FHSS ine anti-interference yakakura, inoderedza kugongana kwemapaketi nekuvandudza mashandiro e spectral, uye ine uplink frequency hopping modulation capability.
Nekubatanidzwa kweLR-FHSS, LoRa inonyanya kukodzera maapplication ane ma dense terminals uye ma data packets makuru. Saka, chirongwa cheLoRa satellite chine maficha akabatanidzwa eLR-FHSS chine mabhenefiti akawanda:
1. Inogona kuwana simba rekupedzisira rakapetwa kagumi kupfuura reLoRa network.
2. Nhanho yekutumirwa kwegedhi yakareba, kusvika 600-1600km;
3. Kudzivirira zvakanyanya kupindira;
4. Mari shoma yawanikwa, kusanganisira mari yekutarisira nekutumira (hapana mimwe michina yekuwedzera inoda kugadzirwa uye kugona kwayo kutaurirana nesatellite kuripo).
MaSemtech's LoRaSX1261, SX1262 transceivers uye mapuratifomu eLoRaEdgeTM, pamwe neV2.1 gateway reference design, zvatove zvichitsigirwa nelr-fhss. Saka, mumashandisirwo anoshanda, kuvandudza software uye kutsiva LoRa terminal negateway zvinogona kutanga zvavandudza kugona kwenetwork uye kugona kudzivirira kupindira. Kune network dzeLoRaWAN uko V2.1 gateway yakatumirwa, vashandisi vanogona kugonesa basa idzva kuburikidza nekuvandudza firmware yegateway iri nyore.
Yakabatanidzwa LR - FHSS
LoRa Inoenderera Mberi Nekuwedzera App Portfolio Yayo
BergInsight, sangano reInternet of Things market research institute, rakaburitsa mushumo wekutsvagisa nezve satellite iot. Data rakaratidza kuti kunyangwe paine njodzi huru yeCOVID-19, huwandu hwevashandisi ve satellite iot pasi rose hwakaramba hwakawedzera kusvika pamamiriyoni 3.4 muna 2020. Vashandisi ve satellite iot pasi rose vanotarisirwa kukura ne35.8% mumakore mashoma anotevera, kusvika pamamiriyoni 15.7 muna 2025.
Parizvino, 10% chete yenzvimbo dzepasi rose dzine mukana wekuwana masevhisi ekutaurirana nesatellite, izvo zvinopa nzvimbo yakakura yemusika wekuvandudza satellite iot pamwe nemukana we satellite iot ine simba shoma.
LR-FHSS ichatungamirawo kuendeswa kweLoRa pasi rose. Kuwedzerwa kweRUTSIGIRI rweLR-FHSS kupuratifomu yeLoRa hakungobatsiri chete kupa kubatana kuri nyore uye kuri nyore kunzvimbo dziri kure, asiwo kunoratidza danho rakakosha rekuendesa maIOT akawanda munzvimbo dzine vanhu vakawanda. Ichasimudzira kuendeswa kweLoRa pasi rose uye kuwedzera mashandisirwo matsva:
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Tsigira Masevhisi eSatellite Iot
LR-FHSS inogonesa masateliti kubatana nenzvimbo dziri kure pasi rose, zvichitsigira zvinodiwa pakuisa uye kutumira data munzvimbo dzisina network. Mienzaniso yekushandiswa kweLoRa inosanganisira kuteverwa kwemhuka dzesango, kuwana makontena muzvikepe mugungwa, kuwana zvipfuyo mumafuro, mhinduro dzekurima dzakangwara dzekuvandudza goho rezvirimwa, uye kuteverwa kwezvinhu zvinogoverwa pasi rose kuti zvivandudze kushanda zvakanaka kwecheni yekugovera.
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Rutsigiro rwekuwedzera Kuchinjana Kwedata Kazhinji
Mumashandisirwo ekare eLoRa, akadai sekufambisa zvinhu nekutevera midziyo, zvivakwa nemapaki akangwara, dzimba dzakangwara, uye nharaunda dzakangwara, huwandu hwemasemophores akagadziriswa eLoRa mumhepo huchawedzera zvakanyanya nekuda kwemasaini marefu uye kuchinjana kwemasaini kakawanda mumashandisirwo aya. Dambudziko rekuzara kwechiteshi rinokonzereswa nekuvandudzwa kweLoRaWAN rinogonawo kugadziriswa nekuvandudza materminal eLoRa uye kutsiva magedhi.
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Wedzera Kudzika Kwemukati
Pamusoro pekuwedzera kugona kwenetwork, LR-FHSS inogonesa ma "indoor end nodes" akadzika mukati me "network infrastructure" imwe chete, zvichiwedzera kukura kwemapurojekiti makuru e "iot". Semuenzaniso, LoRa ndiyo tekinoroji inosarudzwa mumusika wepasi rose we "smart meter", uye kufukidza kwakawedzerwa kwemukati kuchasimbisa nzvimbo yayo.
Vatambi Vakawanda Vari MuInternet Yezvinhu Yesaiti Yesimba Rishoma
Mapurojekiti eLoRa Satellite ekunze kwenyika ari kuramba achibuda
McKinsey akafanotaura kuti iot inobva muchadenga inogona kukosha $560 bhiriyoni kusvika $850 bhiriyoni panosvika 2025, izvo zvingangove chikonzero chikuru nei makambani mazhinji ari kutsvaga musika. Parizvino, vagadziri vanosvika makumi maviri vakurudzira zvirongwa zvekubatanidza iot yesatellite.
Kubva pamaonero emusika wekunze kwenyika, satellite iot inzvimbo yakakosha yekuvandudza mumusika weIOT. LoRa, sechikamu cheInternet of Things ine simba shoma, yakaona mashandisirwo akawanda mumisika yekunze kwenyika:
Muna 2019, Space Lacuna naMiromico vakatanga kuyedza kwebhizinesi kweLoRa Satellite iot project, iyo yakashandiswa zvinobudirira pakurima, kutarisa zvakatipoteredza kana kutevera midziyo gore rakatevera. Nekushandisa LoRaWAN, michina yeiot inoshandisa mabhatiri inogona kuwedzera hupenyu hwayo hwebasa uye kuchengetedza mari yekushandisa nekugadzirisa.
IRNAS yakabatana neSpace Lacuna kuti vaongorore mashandisirwo matsva etekinoroji yeLoRaWAN, kusanganisira kutevera mhuka dzesango muAntarctica uye mabuoys achishandisa network yaLoRaWAN kuti vaise network dzakawanda dzemasensa munzvimbo yeMarine kutsigira mashandisirwo ekunamatira uye kukwira chikepe.
Swarm (yakatorwa neSpace X) yakabatanidza michina yeLoRa yaSemtech mumhinduro dzayo dzekubatanidza kuti igone kutaurirana pakati pemasatellite epasi-pasi. Yakavhura mamiriro matsva ekushandiswa kweInternet of Things (IoT) eSwarm munzvimbo dzakadai sekutakura zvinhu, kurima, mota dzakabatana uye simba.
Inmarsat yakabatana neActility kugadzira network yeInmarsat LoRaWAN, puratifomu yakavakirwa pa network yeInmarsat ELERA backbone iyo ichapa mhinduro dzakawanda kune vatengi veIOT muzvikamu zvinosanganisira kurima, magetsi, mafuta negesi, migodhi nemabasa ekufambisa zvinhu.
Pakupedzisira
Mumusika wekunze kwenyika, hapana mashandisirwo akawanda epurojekiti aya chete. Omnispace, EchoStarMobile, Lunark nedzimwe dzakawanda dziri kuedza kushandisa network yaLoRaWAN kuti ipe masevhisi e-iot nemutengo wakaderera, ine kugona kukuru uye kufukidzwa kwakakura.
Kunyangwe tekinoroji yeLoRa ichigonawo kushandiswa kuzadza mipata munzvimbo dzekumaruwa nemakungwa asina ruzivo rwechinyakare rweInternet, inzira yakanaka yekugadzirisa "Internet yezvinhu zvese."
Zvisinei, kubva pamaonero emusika wemuno, budiriro yeLoRa muchikamu ichi ichiri kutanga. Kana ichienzaniswa nekunze kwenyika, inotarisana nematambudziko akawanda: kudivi rekuda, kufukidzwa kwenetwork yeinmarsat kwatove kwakanaka kwazvo uye data rinogona kutumirwa kumativi ese, saka harina kusimba; Panyaya yekushandiswa, China ichiri shoma, ichinyanya kutarisa pamapurojekiti emakontena. Tichifunga nezvezvikonzero zviri pamusoro apa, zvakaoma kuti makambani esatellite emuno akurudzire kushandiswa kweLR-FHSS. Panyaya yemari, mapurojekiti erudzi urwu anonyanya kutsamira pamari inowanikwa nekuda kwekusaziva kukuru, mapurojekiti makuru kana madiki uye kutenderera kwenguva refu.
Nguva yekutumira: Kubvumbi-18-2022