Mkonzi: Ulink Media
Mu theka lachiwiri la 2021, SpaceLacuna yoyambitsa mlengalenga yaku Britain idagwiritsa ntchito telesikopu yawayilesi ku Dwingloo, Netherlands, kuwonetsa LoRa kuchokera ku mwezi. Uku kunali kuyeserera kochititsa chidwi pankhani ya kujambulidwa kwa data, chifukwa umodzi mwamawuwo unali ndi chimango chathunthu cha LoRaWAN®.
Lacuna Speed imagwiritsa ntchito ma satelayiti otsika a Earth orbit kuti alandire zambiri kuchokera ku masensa ophatikizidwa ndi zida za Semtech's LoRa komanso ukadaulo wa ma frequency radio frequency. Setilaiti imayenda pamwamba pa mizati yapadziko lapansi mphindi 100 zilizonse pamtunda wa makilomita 500. Pamene dziko lapansi likuzungulira, masetilaiti amaphimba dziko lonse lapansi. LoRaWAN imagwiritsidwa ntchito ndi ma satelayiti, omwe amapulumutsa moyo wa batri, ndipo mauthenga amasungidwa kwa nthawi yochepa mpaka atadutsa mumsewu wamasiteshoni apansi. Zomwezo zimatumizidwa ku pulogalamu yapadziko lapansi kapena zitha kuwonedwa pa intaneti.
Panthawiyi, chizindikiro cha LoRa chotumizidwa ndi lacuna Speed chinatenga masekondi a 2.44 ndipo chinalandiridwa ndi chip chomwecho, ndi mtunda wofalitsa wa makilomita pafupifupi 730,360, womwe ukhoza kukhala mtunda wautali kwambiri wa kufalitsa uthenga wa LoRa mpaka pano.
Zikafika pakulankhulana kwa satellite-pansi kutengera ukadaulo wa LoRa, chochitika chachikulu chidakwaniritsidwa pamsonkhano wa TTN(TheThings Network) mu February 2018, kutsimikizira kuthekera kwa LoRa kugwiritsidwa ntchito pa intaneti ya zinthu. Pachiwonetsero chamoyo, wolandirayo adatenga ma siginecha a LoRa kuchokera pa satelayiti yotsika.
Masiku ano, kugwiritsa ntchito matekinoloje amtundu wa IoT omwe ali ndi mphamvu zotsika ngati LoRa kapena NB-IoT kuti azitha kulumikizana mwachindunji pakati pa zida za IoT ndi ma satellite ozungulira padziko lonse lapansi zitha kuonedwa kuti ndi gawo la msika wa WAN wochepa mphamvu. Matekinoloje awa ndi ntchito yosangalatsa mpaka phindu lawo lazamalonda livomerezedwa kwambiri.
Semtech Yakhazikitsa LR-FHSS Kuti Idzaze Msika Wamsika mu Kulumikizana kwa IoT
Semtech wakhala akugwira ntchito pa LR-FHSS kwa zaka zingapo zapitazi ndipo adalengeza mwalamulo kuwonjezera kwa LR-FHSS thandizo pa nsanja ya LoRa kumapeto kwa 2021.
LR-FHSS imatchedwa LongRange - Frequency Hopping SpreadSpectrum. Monga LoRa, ndi ukadaulo wosinthira wosanjikiza wokhala ndi magwiridwe antchito ambiri monga LoRa, monga kukhudzika, chithandizo cha bandwidth, ndi zina zambiri.
LR-FHSS ndiyotheka kuchirikiza mamiliyoni a ma node, zomwe zimawonjezera kuchuluka kwa maukonde ndikuthana ndi vuto la kuchulukana kwa mayendedwe omwe m'mbuyomu adalepheretsa kukula kwa LoRaWAN. Kuphatikiza apo, LR-FHSS ili ndi anti-kusokoneza kwambiri, imachepetsa kugundana kwa paketi mwa kuwongolera magwiridwe antchito, ndipo imakhala ndi mphamvu yosinthira ma frequency a uplink.
Ndi kuphatikiza kwa LR-FHSS, LoRa ndiyabwino kwambiri pamapulogalamu okhala ndi ma terminals ndi mapaketi akulu a data. Chifukwa chake, pulogalamu ya satellite ya LoRa yokhala ndi mawonekedwe ophatikizika a LR-FHSS ili ndi maubwino angapo:
1. Imatha kupeza kuchulukitsa kakhumi kuchuluka kwa netiweki ya LoRa.
2. Mtunda wotumizira ndi wautali, mpaka 600-1600km;
3. Kusokoneza mwamphamvu;
4. Ndalama zotsika zapezedwa, kuphatikizapo kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake.
Semtech's LoRaSX1261, SX1262 transceivers ndi LoRaEdge TM nsanja, komanso V2.1 gateway reference design, amathandizidwa kale ndi lr-fhss. Chifukwa chake, muzogwiritsa ntchito, kukweza kwa mapulogalamu ndikusintha malo a LoRa terminal ndi zipata zitha kupititsa patsogolo mphamvu ya netiweki ndi kuthekera kolimbana ndi kusokoneza. Pamanetiweki a LoRaWAN pomwe chipata cha V2.1 chayikidwa, ogwiritsira ntchito amatha kupangitsa kuti ntchitoyo ikhale yatsopano kudzera pakusintha kosavuta kwa firmware.
Integrated LR - FHSS
LoRa Ikupitilira Kukulitsa Pulogalamu Yake Yapulogalamu
BergInsight, bungwe lofufuza zamsika pa intaneti la Zinthu, lidatulutsa lipoti la kafukufuku wa satellite iot. Zambiri zawonetsa kuti ngakhale COVID-19 ili ndi vuto lalikulu, chiwerengero cha ogwiritsa ntchito ma satellite iot padziko lonse chikukula mpaka 3.4 miliyoni mu 2020. Ogwiritsa ntchito ma satellite iot padziko lonse lapansi akuyembekezeka kukula ndi 35.8% m'zaka zingapo zikubwerazi, kufikira 15.7 miliyoni. mu 2025.
Pakadali pano, 10% yokha ya zigawo zapadziko lonse lapansi ndizomwe zili ndi mwayi wolumikizana ndi ma satelayiti, zomwe zimapereka msika wotakata popanga ma satellite iot komanso mwayi wamagetsi otsika a satana.
LR-FHSS idzayendetsanso kutumizidwa kwa LoRa padziko lonse lapansi. Kuwonjezera kwa SUPPORT kwa LR-FHSS ku nsanja ya LoRa sikungothandiza kuti ikhale yotsika mtengo, yolumikizana paliponse kumadera akutali, komanso kuwonetsa sitepe yofunika kwambiri yopita kumadera ambiri omwe ali ndi anthu ambiri. Ilimbikitsanso kutumizidwa kwa LoRa padziko lonse lapansi ndikukulitsa ntchito zatsopano:
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Thandizani Satellite Iot Services
LR-FHSS imathandiza ma satellites kuti alumikizane ndi madera akutali kwambiri padziko lonse lapansi, kuthandizira kuyika ndi kutumizirana ma data kumadera opanda kulumikizidwa kwa netiweki. Milandu yogwiritsa ntchito LoRa imaphatikizapo kutsata nyama zakuthengo, kupeza zotengera m'sitima zapanyanja, kupeza ziweto m'malo odyetserako ziweto, njira zanzeru zaulimi kuti zithandizire zokolola, komanso kutsata katundu wogawa padziko lonse lapansi kuti apititse patsogolo magwiridwe antchito.
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Thandizo pazambiri za Frequent Data Exchange
M'mapulogalamu am'mbuyomu a LoRa, monga mayendedwe ndi kutsata katundu, nyumba zanzeru ndi mapaki, nyumba zanzeru, ndi madera anzeru, kuchuluka kwa ma semaphores opangidwa ndi LoRa mumlengalenga kudzakwera kwambiri chifukwa cha ma siginecha ataliatali komanso kusinthana kwamagetsi pafupipafupi pamapulogalamuwa. Vuto la kusokonekera kwa njira ndi chitukuko cha LoRaWAN litha kuthetsedwanso pokweza ma terminals a LoRa ndikulowetsa zipata.
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Limbikitsani Kufalikira Kwakuya Kwamkati
Kuphatikiza pakukulitsa kuchuluka kwa maukonde, LR-FHSS imathandizira ma node akuya amkati mkati mwamanetiweki omwewo, ndikuwonjezera scalability yama projekiti akuluakulu a iot. LoRa, mwachitsanzo, ndiukadaulo womwe umasankhidwa pamsika wapadziko lonse lapansi wanzeru zamamita, ndipo kufalikira kwamkati kwamkati kumalimbitsanso udindo wake.
Osewera Ochulukirachulukira mu Satellite Internet ya Zinthu Zochepa mphamvu
Overseas LoRa Satellite Projects Akupitilira Kutuluka
McKinsey adaneneratu kuti iot yochokera kumlengalenga ikhoza kukhala yokwanira $ 560 biliyoni mpaka $ 850 biliyoni pofika 2025, mwina ndicho chifukwa chachikulu chomwe makampani ambiri akuthamangitsira msika. Pakadali pano, pafupifupi opanga ambiri apanga mapulani ochezera pa intaneti.
Malinga ndi msika wakunja, satellite iot ndi gawo lofunikira kwambiri pamsika wa iot. LoRa, monga gawo la intaneti ya Zinthu zotsika mphamvu za satellite, yawona ntchito zingapo m'misika yakunja:
Mu 2019, Space Lacuna ndi Miromico adayamba kuyesa malonda a LoRa Satellite iot project, yomwe idagwiritsidwa ntchito bwino paulimi, kuyang'anira zachilengedwe kapena kutsata chuma chaka chotsatira. Pogwiritsa ntchito LoRaWAN, zida za iot zoyendetsedwa ndi batri zimatha kuwonjezera moyo wawo wautumiki ndikusunga ndalama zoyendetsera ntchito ndi kukonza.
IRNAS idagwirizana ndi Space Lacuna kuti ifufuze ntchito zatsopano zaukadaulo wa LoRaWAN, kuphatikiza kutsata nyama zakuthengo ku Antarctica ndi ma buoys pogwiritsa ntchito netiweki ya LoRaWAN kuti atumize ma netiweki olimba a masensa m'malo a Marine kuti athandizire kugwiritsa ntchito mayendedwe ndi kukwera.
Swarm (yopezedwa ndi Space X) yaphatikiza zida za Semtech za LoRa munjira zake zolumikizirana kuti athe kulumikizana kwanjira ziwiri pakati pa ma satellite otsika a Earth orbit. Anatsegula njira zatsopano zogwiritsira ntchito intaneti ya Zinthu (IoT) za Swarm m'madera monga mayendedwe, ulimi, magalimoto olumikizidwa ndi mphamvu.
Inmarsat yagwirizana ndi Actility kuti ipange netiweki ya Inmarsat LoRaWAN, nsanja yozikidwa pa Inmarsat ELERA network network yomwe ipereka mayankho ochulukirapo kwa makasitomala a iot m'magawo monga ulimi, mphamvu, mafuta ndi gasi, migodi ndi zinthu.
Pomaliza pake
Pamsika wonse wakunja, palibe ntchito zambiri zokhwima za polojekitiyi. Omnispace, EchoStarMobile, Lunark ndi ena ambiri akuyesera kukweza maukonde a LoRaWAN kuti apereke ntchito za iot pamtengo wotsika, wokulirapo komanso kufalikira kokulirapo.
Ngakhale teknoloji ya LoRa ingagwiritsidwenso ntchito kudzaza mipata m'madera akumidzi ndi nyanja zomwe zilibe chikhalidwe cha intaneti, ndi njira yabwino yothetsera "Intaneti ya chirichonse."
Komabe, malinga ndi msika wapakhomo, chitukuko cha LoRa pankhaniyi chikadali chaching'ono. Poyerekeza ndi kutsidya kwa nyanja, ikukumana ndi zovuta zambiri: kumbali yofunikira, kufalitsa kwa inmarsat network ndikwabwino kwambiri ndipo deta imatha kufalikira mbali zonse ziwiri, kotero sizolimba; Pankhani yogwiritsira ntchito, China idakali yocheperako, makamaka ikuyang'ana ntchito zamakina. Pazifukwa zomwe zili pamwambazi, ndizovuta kuti mabizinesi apanyumba apakanema alimbikitse kugwiritsa ntchito LR-FHSS. Pankhani ya ndalama, mapulojekiti amtunduwu amadalira kwambiri ndalama zogulira ndalama chifukwa cha kusatsimikizika kwakukulu, ntchito zazikulu kapena zazing'ono komanso maulendo aatali.
Nthawi yotumiza: Apr-18-2022