Kodi LoraWan?

Lorawan ndi gawo lochepa kwambiri la maofesi otsika (LPWAN) yopangidwa ndi zida zopanda zingwe, zida zoyendetsedwa ndi batire. Lora adatumizidwa kale mamiliyoni mamiliyoni, malinga ndi Lora-neacent. Ena mwa zigawo zikuluzikulu zomwe zimapezeka monga maziko a lingaliroli ndi kulumikizana kwa BI-kuwongolera, ntchito za kukhazikika.

Malo amodzi omwe Lorawan amasiyanitsa ndi ma network ena ndi omwe amagwiritsa ntchito nyenyezi, ndi zipata zina zolumikizidwa ndi ziweto zomwe zimaphatikizidwa ndi seva yapakati pa intaneti. Zipata zimalumikizidwa ku seva yamaneti kudzera pa intaneti pomwe zida zomaliza zimagwiritsa ntchito kulumikizana kopanda zingwe chimodzi kapena zingapo. Kulankhulana konse kumapita kumayendedwe, ndipo amathandizira entercist, yothandiza mapulogalamu ikukonzekereratu. Malinga ndi Lora-Alliance, yemwe si wapindulitsa, izi zimathandiza kusunga batri ya batri ndikukwaniritsa kulumikizana kwakanthawi.

Chipata chimodzi chokhachokha kapena malo osungira chimatha kuphimba mizinda yonse kapena makilomita ambiri. Zachidziwikire, mitundu imatengera chilengedwe chomwe tapatsidwa, koma Lora ndi Lorawan adanena kuti ali ndi bajeti yolumikizira, chinthu choyambirira posankha kuyankhulana, kwakukulu kuposa njira zina zolankhulirana zolankhulirana.

Makalasi Otsiriza

Lorawan ali ndi magulu angapo osiyanasiyana a zida zomaliza zothetsera zosowa zosiyanasiyana zomwe zikuwonetsedwa pamapulogalamu osiyanasiyana. Malinga ndi tsamba lake, izi zimaphatikizapo:

• Mankhwala omaliza a bi-opita (kalasi a): Mapeto-a Class Offical Communications omwe amawongolera omwe amatumiza omwe ali ndi chiwonetsero champhamvu Makina ophatikizika omwe adakonzedwa ndi chipangizocho chimatengera kulumikizana kwake ndi kusiyanasiyana kokhazikika chifukwa cha nthawi yosiyanasiyana yotsatira (Aloha-mtundu wa protocol). Kalasi iyi ntchito ndi njira yotsika kwambiri yopezera ndalama zomwe zimangofuna kulumikizana kuchokera ku seva pambuyo pake pambuyo poti madzi omaliza atumiza. Kulumikizana kolumikizana kuchokera ku seva nthawi ina iliyonse kudzadikira mpaka kufikako.
• Mankhwala omaliza oyenda ndi ma bi-oyeserera a Redduct (gulu b): Kuphatikiza pa ophunzirawo mwachisawawa kulandila mawindo, zida za kalasi B zimatsegulidwa zowonjezera kulandila mawindo nthawi zomwe zidakonzedwa. Pofuna kuti chitsimikiziro chomaliza kuti mutsegule zenera panthawi yokonzedwacho chimalandira beacon yolumikizirana ndi chipata. Izi zimathandiza seva kuti adziwe kuti chipangizo chomaliza chikumvera liti.
• Mankhwala omaliza omaliza ndi maximal amalandila mipata (kalasi c): Zipangizo zomaliza zotseguka zimalandilidwa pazenera, kutsekedwa kokha pakutumiza.