Unxibelelwano lwe-NB-IoT lwemitha yamanzi ye-ultrasonic lusetyenziswa ngokusekelwe kuyilo lwemibhobho yamafu ukusuka ekuqaleni ukuya ekupheleni. Yonke le nkqubo ibandakanya amanyathelo amane abalulekileyo:
1. Ukulinganiswa kwecala lesiphelo kunye nokuqokelelwa kwedatha
Imitha yamanzi ye-ultrasonic isebenzisa indlela yokwahluka kwexesha (i-ToF) ukulinganisa ukuhamba: isibini see-transducers ze-ultrasonic zithumela kwaye zamkele imiqondiso ngokutshintshana. Isantya sokuhamba sibalwa ngokulinganisa umahluko wexesha phakathi kokusasazeka kwe-upstream kunye ne-downstream. I-MCU iqokelela idatha yokuhamba, yenza imbuyekezo yobushushu, kwaye iyigcine kwindawo.
2. Ukufikelela kwinethiwekhi ye-NB‑IoT kunye nokudluliselwa kwedatha
Imodyuli ye-NB IoT eyakhelwe ngaphakathi (umz., BC95, A7670) ivuswa sisibali-xesha se-RTC. Iqalisa ukufikelela kwinethiwekhi ngemiyalelo ye-AT, igqibezele ukuqinisekiswa komqhubi, kwaye iseka uqhagamshelo. Idatha ipakishwa kwifomathi eqhelekileyo (umz., TLV/Binary) ene-ID yesixhobo, i-timestamp, i-flow, kunye nemeko yebhetri, emva koko idluliselwa kusetyenziswa iiprotokholi ezifana neCoAP/MQTT.
3. Ukudluliselwa phambili kunye nokhuseleko lwenethiwekhi
Idatha idlula kwisikhululo sesiseko se-NB‑IoT → inethiwekhi engundoqo → iqonga le-IoT (umz., i-OneNET). Uthumelo lukhuselwe yi-DTLS encryption kunye nokuqinisekiswa kobuwena besixhobo ukuthintela ukuphazamisa kunye nokuphulaphulwa kweendaba.
4. Ukusetyenziswa kwicala leqonga kunye nolawulo oluhamba ngeendlela ezimbini
Iqonga lokusetyenziswa kwamanzi lihlalutya kwaye ligcina idatha, livumela ukufunda kude, ukubiza, ukufumanisa ukuvuza, kunye nolawulo lweevalvu. Iqonga linokukhupha imiyalelo (umz., ukufunda iiparameter, ukuvula/ukuvala ivalvu) kwimitha, eyisebenzisayo kwaye ibuyisele iziphumo ngenethiwekhi ye-NB‑IoT.
Iindlela eziphambili zamandla aphantsi:
I-PSM (Imo Yokonga Amandla): Ingena ebuthongweni obukhulu emva kokudluliselwa, kunye nombane ophantsi njengenqanaba le-μA.
i-eDRX: Yandisa ukwamkelwa okungaqhubekiyo ukuze ilinganisele ixesha lokulinda kunye nokusetyenziswa kwamandla.
Ukusetyenziswa kwamandla okuxhoma nge-uplink okuqhelekileyo yi-~18.7 mJ, okuvumela ubomi bebhetri beminyaka esi-8 ukuya kweli-10.
Ixesha leposi: Epreli-21-2026