Chii chinonzi LoraWan?

Lorawan is a low power Simba Area Network (LPWAN) kujekeswa yakagadzirirwa isina waya isina waya, mabheti-ebhatiri zvishandiso. Lora atove gadziriro mumamiriyoni evanonzwisisa, maererano neLora-Alliance. Zvimwe zvezvikamu zvakakosha zvinoshanda senheyo kune iyo yekufungidzira ndeye bi-nzira yekutaurirana, kufamba uye masevhisi emunharaunda.

Imwe nharaunda iyo Lorawan inosiyana nedzimwe nzira yeti Network ndeyekuti inoshandisa nzira yeNyeredzi, neCentral nodes yakawirirana uye nemasodhi anoshanda seyekutanga bhiriji pakati pekupedzisira Magedhi egedhi akabatanidzwa kune network server kuburikidza neyakagadziriswa IP inobatanidza apo yekupedzisira-midziyo uchishandisa imwe-hop isina waya yekutaurirana kune imwe nzira kana midzi ms.guta akawanda. Zvese zvekupedzisira-point kutaurirana ndewe bi-kutungamira, uye kunotsigira multicast, kugonesa software inosimudzira pamusoro pemhepo. Maererano neLora-Alliance, iyo isangano risiri remubhadharo rakagadzira Lorawan Rondedzero, izvi zvinobatsira kuchengetedza hupenyu hwebhatiri uye uwane hukama hwakareba.

Imwe chete lora-yakagonesa gita rekugezera kana base station inogona kufukidza maguta ese kana mazana emakiromita emakiromita. Ehezve, huwandu hunoenderana nemamiriro ekunze enzvimbo yakapihwa, asi Lora naLorawan bhajeti, icho chikuru mukusarudza kutaurirana huwandu, hukuru pane chero tekinoroji yekukurukurirana.

End-point makirasi

Lorawan ane makirasi akati wandei emakirasi ekupedzisira ekupedzisira ekutora izvo zvakasiyana zvinodiwa zvinoratidzwa mune dzakasiyana siyana dzekushandisa. Zvinoenderana newebhusaiti yayo, izvi zvinosanganisira:

• Bi-mataira ekupedzisira-midziyo (kirasi a). Iyo yekufambisa slot yakarongerwa neyekupedzisira-mudziyo unobva pane zvayo zvekukurukurirana zvinodikanwa zvine mutsauko zvishoma zvichienderana nenguva yakatarwa (Aloha-mhando ye protocol). Iyi kirasi yekuvhiya ndiyo yakaderera simba yekupera-mudziyo wekushandisa izvo zvinongoda kudzikisira kutaurirana kubva kune iyo server nguva pfupi mushure mekunge mugumo watumira iyo uplink kutapurirana. Kudzikira kutaurirana kubva kuseva pane chero imwe nguva kunofanirwa kumirira kusvika iyo inotevera yakarongwa kumusoro.
• Bi-mataira ekupedzisira-madhiri nehurongwa hwekugamuchira Slots (Kirasi B): Kuwedzera kune kirasi kusarongeka kugamuchira Windows, kirasi B midziyo yakavhurika yekuwedzera kugamuchira Windows panguva yakarongwa nguva. Kuti mugumo-mudziyo wekuvhura windows yayo pane iyo nguva yakarongwa inowana nguva inowiriranwa beackure kubva kugedhi. Izvi zvinobvumira sevha kuti vazive kana mugumo-mudziyo uri kuteerera.
• Bi-maumbirwo endipure-midziyo ine maximal gamuchira slots (kirasi c).