ʻenehana kamaʻilio IoT
ʻO ka Pūnaewele o nā Mea (IoT), a i ʻole ka "Pūnaewele o nā mea āpau," ʻo ia ke kumumanaʻo o nā mea kino like ʻole—mai nā mea ʻike mahana a me nā kāmela a hiki i nā mīkini hale hana a me nā kaʻa—e hoʻopili ana i ka pūnaewele e hoʻouna a loaʻa i ka ʻikepili. No ka hana pono ʻana o ka IoT, pono ia i kahi "alahaka" koʻikoʻi: ʻenehana kamaʻilio. Me ka ʻole o ke kamaʻilio kūpono, ʻaʻole hiki i nā mea IoT ke hoʻouna koke i ka ʻike, palekana, a me ka ikehu. Kūkākūkā kēia ʻatikala i nā ʻenehana kamaʻilio IoT, nā koho pūnaewele maʻamau, a me nā kumu koʻikoʻi i ka hoʻoholo ʻana i ka ʻenehana kūpono loa.
1. No ke aha he mea nui ka ʻenehana kamaʻilio IoT?
ʻAʻole wale ka IoT e pili ana i nā polokalamu akamai, e pili ana i ke kahe ʻikepili: ana nā polokalamu i ko lākou wahi, a laila hoʻouna i ka ʻikepili i kahi ʻōnaehana kikowaena (kikowaena a i ʻole ke ao), a laila kālailai iā ia a hoʻouna hou i kahi pane. Aia nā mea āpau i nā hiki ke kamaʻilio. ʻOkoʻa nā pilikia kamaʻilio IoT mai ke kamaʻilio pūnaewele maʻamau no ka mea he nui nā polokalamu IoT:
– He mana palena iki (he pila liʻiliʻi a pono e lōʻihi ka manawa).
– E hoʻouna i ka ʻikepili liʻiliʻi akā maʻamau (no ka laʻana i kēlā me kēia minuke a i ʻole kēlā me kēia hola).
– Ke hana nei ma nā wahi paʻakikī (ka honua, nā wahi kuaʻāina, a i ʻole nā hale hana).
- Pono ka latency haʻahaʻa i kekahi mau hihia (e.g. ka mana robot a kaʻa paha).
– Pono e palekana e pili ana i ka ʻikepili koʻikoʻi a me ka kaohi ʻana i nā hāmeʻa.
No laila, ua ulu ka ʻenehana kamaʻilio IoT i nā ʻano like ʻole: mai ka mana haʻahaʻa pōkole a hiki i nā pūnaewele kelepona a me nā ukali.
2. Nā Māhele Nui o ka ʻenehana kamaʻilio IoT
Ma keʻano laulā, hiki ke hoʻokaʻawale ʻia nā kamaʻilio IoT ma muli o nā koi laulā a me ka mana:
1. Pōkole ka laulā: kūpono no nā hale akamai, nā keʻena, nā mea hiki ke komo, a me nā mea ʻike i loko.
2. Waena a lōʻihi paha (ʻāpana lōʻihi / ākea): kūpono no nā kūlanakauhale akamai, ka mahiʻai, ka logistics, nā pono hana, a me ka ʻoihana.
3. Kelepona-ma muli o ke kelepona (cellular IoT): kūpono no ka neʻe kiʻekiʻe a me ka uhi ākea.
4. ʻAʻole honua (satellite): kūpono no nā wahi mamao me ka ʻole o nā pono hana.
Loaʻa i kēlā me kēia māhele nā kūʻē ma waena o ka laulā, ka hoʻohana ʻana i ka mana, ka wikiwiki o ka ʻikepili, ke kumukūʻai, a me ka paʻakikī.
3. ʻenehana kamaʻilio IoT kokoke i ke kahua
a. Wi-Fi
Ua kaulana ʻo Wi-Fi no ka mea ua laha mua kona ʻōnaehana ma nā hale a me nā keʻena. ʻO kona mau pono e komo pū me nā wikiwiki kiʻekiʻe a me ka hoʻohui pūnaewele maʻalahi. Eia nō naʻe, makemake nui ʻo Wi-Fi i ka mana, ʻaʻole ia he mea kūpono no nā mea ʻike e hoʻohana ana i ka pila e pono ai ke mau no nā makahiki.
Nā laʻana o ka hoʻohana ʻana: nā kāmela IP, nā mea hoʻolele leo akamai, nā hāmeʻa home akamai e pili mau ana i ka uila.
b. Bluetooth a me ka Bluetooth Low Energy (BLE)
He kūpono ka Bluetooth maʻamau no ka hoʻoili ʻikepili leo a me ka mamao pōkole, ʻoiai ua hoʻolālā ʻia ʻo BLE e hoʻohana pono i ka ikehu. Hoʻohana nui ʻia ʻo BLE i nā mea hiki ke hoʻokomo ʻia, nā mea ʻike olakino, a me nā mea hana e hoʻouna i nā ʻikepili liʻiliʻi i kēlā me kēia manawa.
Nā laʻana o ka hoʻohana ʻana: smartband, sensor heart rate, location beacon ma ke kikowaena kūʻai a hale hōʻikeʻike paha.
c. Zigbee a me ke kaula
He protocol mesh ʻo Zigbee i hoʻohana pinepine ʻia i nā hale akamai. Me kahi pūnaewele mesh, hiki i nā polokalamu ke hoʻouna i nā ʻeke ʻikepili kekahi i kekahi, e hoʻonui ana i ka uhi ʻana me ka ʻole o ka hoʻonui ʻana i ka mana hoʻoili. Loaʻa iā Thread kahi manaʻo like, i kūkulu ʻia ma IPv6, a ua kūkākūkā pinepine ʻia i loko o ka ʻōnaehana home akamai hou.
Nā laʻana o ka hoʻohana ʻana: nā kukui akamai, nā mea ʻike puka/puka makani, AC a i ʻole ka mana hoʻomehana.
d. NFC a me RFID
Hoʻohana ʻia ʻo NFC no ke kamaʻilio kokoke loa (hoʻopā a i ʻole i loko o kekahi mau kenimika). Hoʻohana pinepine ʻia ʻo RFID no ka ʻike ʻana i nā mea pili ʻole, e like me nā kāleka komo a i ʻole ke alualu ʻana i nā mea. No ka IoT, he mea pono loa ka RFID no nā kaulahao waihona a me nā lako.
Nā laʻana o ka hoʻohana ʻana: ka nānā ʻana i nā mea hale kūʻai, nā kāleka komo, nā ʻōnaehana uku hoʻopili ʻole.
4. ʻenehana LPWAN (Pūnaewele Wahi Ākea Mana Haʻahaʻa)
Ua hoʻolālā ʻia ʻo LPWAN no nā mea hana e pono ai ka hoʻohana ʻana i ka mana haʻahaʻa a me ka pilina mamao loa, ʻoiai ma nā wikiwiki ʻikepili haʻahaʻa. He kūpono kēia ʻenehana no nā mea ʻike e hoʻouna wale ana i nā ʻikepili liʻiliʻi (e.g., ke kūlana, ka mahana, ka haʻahaʻa) i kekahi mau manawa i ka lā.
a. ʻO LoRa lāua ʻo LoRaWAN
He ʻenehana modulation lekiō lōʻihi ʻo LoRa, ʻoiai ʻo LoRaWAN kahi protocol pūnaewele e hoʻohana ana iā ia. ʻO kona mau pono e pili ana i ka lōʻihi, ka hoʻohana ʻana i ka mana haʻahaʻa, a me ka hiki ke hana i nā pūnaewele pilikino (e.g., nā pā kula, nā wahi ʻoihana, a i ʻole nā mahiʻai). ʻO kona mau hemahema e pili ana i ka throughput haʻahaʻa a ʻaʻole kūpono ia no nā ʻikepili nui e like me ke wikiō.
Nā laʻana o ka hoʻohana ʻana: mahiʻai akamai, nā mea ʻike waikahe, ka nānā ʻana i ka maikaʻi o ka ea, nā mika wai.
b. Sigfox
He pūnaewele LPWAN ʻo Sigfox me kahi kumu hoʻohālike mea hoʻohana kikoʻī. Hoʻouna ia i ka ʻikepili liʻiliʻi loa, akā hāʻawi i ka uhi ākea a he mālama pono i ka ikehu. Aia kona loaʻa ʻana ma muli o ka uhi ʻana o ka mea hoʻohana ma kahi i hāʻawi ʻia.
Nā laʻana o ka hoʻohana: ka nānā ʻana i nā waiwai, nā mea ʻike kūlana maʻalahi (on/off), nā ʻalā mamao.
5. IoT ma muli o ka Pūnaewele Kelepona
Hāʻawi ʻo Cellular i ka uhi ākea a me ka neʻe kiʻekiʻe, e lilo ia i mea hoihoi no nā hoʻonā IoT he nui. Eia nō naʻe, pono e noʻonoʻo ʻia nā kumukūʻai modula a me ka hoʻohana ʻana i ka mana.
a. NB-IoT (Narrowband IoT)
Ua hoʻolālā ʻia ʻo NB-IoT no nā pilina sensor mana haʻahaʻa, ka komo ʻana o ka hōʻailona maikaʻi (e.g., i loko o nā hale a i ʻole nā hale papahele), a me nā kumukūʻai hana haʻahaʻa. He kūpono ia no nā mea hana static e hoʻouna i ka ʻikepili i kēlā me kēia manawa.
Nā laʻana o ka hoʻohana ʻana: ke ana ʻana i ka uila/kinoea akamai, nā mea ʻike kaʻa, ka nānā ʻana i nā pahu wai.
b. LTE-M (Cat-M1)
Kākoʻo ʻo LTE-M i nā wikiwiki ʻikepili kiʻekiʻe aʻe ma mua o NB-IoT a ʻoi aku ka maikaʻi no nā polokalamu e pono ai ke kamaʻilio pinepine a i ʻole ka neʻe ʻana. Hāʻawi pū ia i ka latency maikaʻi aʻe no kekahi mau noi.
Nā laʻana o ka hoʻohana ʻana: nā mea hiki ke komo me nā pilina kū hoʻokahi, ka nānā ʻana i nā kaʻa, nā mea palekana.
c. 4G/5G no ka IoT
Hāʻawi ʻo 4G a ʻoi aku hoʻi ʻo 5G i ka throughput kiʻekiʻe a me ka latency haʻahaʻa. Kākoʻo ʻo 5G i nā noi IoT e pono ai ka pane wikiwiki, e like me ka automation ʻoihana, robotics, a me nā kaʻa i hoʻopili ʻia. Eia nō naʻe, ʻoi aku ke kiʻekiʻe o ka hoʻohana ʻana i ka mana a me nā kumukūʻai hāmeʻa ma mua o LPWAN.
Nā laʻana o ka hoʻohana ʻana: nā kāmela kiaʻi kelepona, nā kaʻa kūʻokoʻa, nā ʻōnaehana hale hana manawa maoli.
6. Kamaʻilio IoT ma o ka Satellite
No nā wahi mamao e like me nā moana, nā ululāʻau, nā mauna, a i ʻole nā wahi eli me ka uhi pūnaewele palena ʻole, he hopena nā satelite. Ma mua, pipiʻi a makewai i ka mana, loaʻa nā lawelawe satelite IoT-kikoʻī i kēia manawa, e hāʻawi ana i ka pono ʻoi aku ka maikaʻi, ʻoiai ʻoi aku ke kumukūʻai ma mua o nā pūnaewele honua.
Nā laʻana o ka hoʻohana ʻana: ka nānā ʻana i ka moku, ka nānā ʻana i nā paipu aila/kinoea, nā waiwai ma nā wahi mamao.
7. Nā Protocols Papa Hoʻohana: MQTT, CoAP, a me HTTP
Ma waho aʻe o nā "pāpāho" kamaʻilio (Wi-Fi, kelepona, LoRa), hilinaʻi pū ka IoT i nā protocol hoʻoili ʻikepili ma ka pae noi.
– MQTT (Message Queuing Telemetry Transport): kaulana loa ia ma IoT no ka mea he māmā a hoʻohana i kahi kumu hoʻohālike hoʻolaha/kau inoa. He kūpono ia no nā mea ʻike a me nā mea hana he nui e hoʻouna pinepine ana i ka telemetry.
– CoAP (Constrained Application Protocol): like me HTTP akā māmā, kūpono no nā polokalamu me nā kumuwaiwai palena.
– HTTP/HTTPS: maʻalahi e hoʻohana a kūpono hoʻi, akā ʻoi aku ka kaumaha ma mua o MQTT/CoAP no nā polokalamu i kaupalena ʻia.
ʻO ke koho ʻana o kēia protocol e hoʻoholo pinepine i ka pono, ka scalability, a me ka maʻalahi o ka hoʻohui ʻana i loko o ke ao.
8. Ke hoʻoholo nei i nā kumu i ke koho ʻana i ka ʻenehana kamaʻilio IoT
ʻAʻohe ʻenehana "maikaʻi loa" no nā hihia āpau. Eia kekahi mau mea i hoʻohana pinepine ʻia e hoʻoholo i kāu koho:
1. Ka laulā: loko, kahua kula, kūlanakauhale, a ma waena o nā ʻāina paha?
2. Ka hoʻohana ʻana i ka mana: pehea ka lōʻihi o ke ola ʻana o ka pila?
3. Ka nui o ka ʻikepili a me ke alapine (pinepine): ʻikepili liʻiliʻi i kekahi manawa a i ʻole ke kahe ʻana?
4. Latency: pono ʻoe i kahi pane manawa maoli a i ʻole?
5. Nā kumukūʻai: nā modula hāmeʻa, nā kau inoa mea hoʻohana, a me nā uku komo.
6. Scalability: ehia mau hāmeʻa e hoʻokomo ʻia?
7. Palekana: hoʻopāʻālua, hōʻoia, a me ka hoʻokele palapala hōʻoia.
8. Nā kūlana o ke kaiapuni: nā hale hana walaʻau electromagnetic, nā hale lalo, a i ʻole nā wahi ākea.
Eia kekahi laʻana, no kahi mea ʻike mahana ma kahi mahiʻai e hoʻouna wale ana i ka ʻikepili i kēlā me kēia 30 mau minuke, ʻo LoRaWAN a i ʻole NB-IoT ka mea kūpono. Eia nō naʻe, no kahi kāmela palekana e pono ai ke wikiō, ʻoi aku ka maikaʻi o ka Wi-Fi a i ʻole 4G/5G.
9. Nā ʻAno Hou o ka ʻenehana kamaʻilio IoT
I ka wā e hiki mai ana, e kālele nui ana nā kamaʻilio IoT i ka hoʻohui ʻana ma waena o nā pūnaewele: hiki i nā polokalamu ke hoʻololi a koho paha i ka pūnaewele maikaʻi loa ma muli o nā kūlana (e.g., Wi-Fi ma ka home, kelepona ma waho). Eia kekahi, e lilo ana nā hoʻomaikaʻi palekana mai ka hopena a i ka hopena, ka hoʻokele polokalamu mamao, a me ka helu ʻana ma ka lihi i mea nui. ʻAe ka helu ʻana ma ka lihi i kekahi hana e hana kokoke i ke kumu ʻikepili, e hōʻemi ana i nā kumukūʻai latency a me ka bandwidth.
Ma ka ʻaoʻao maʻamau, ke ulu nei ka ʻōnaehana home akamai i ka interoperability i hiki i nā polokalamu mai nā lama like ʻole ke hoʻopili maʻalahi.
Ka hopena
ʻO ka ʻenehana kamaʻilio ke kumu o ka IoT. Mai Wi-Fi a me BLE no nā noi pōkole, Zigbee/Thread no nā pūnaewele mesh, a me nā LPWAN e like me LoRaWAN no ka uhi ʻana i ka mana kiʻekiʻe a haʻahaʻa, a hiki i NB-IoT, LTE-M, a me 4G/5G no ka uhi ʻana i nā kelepona a me nā koi ʻikepili kiʻekiʻe aʻe—loaʻa iā lākou āpau kā lākou kuleana. Pono ke koho ʻenehana e noʻonoʻo i nā koi noi, ka hoʻohana ʻana i ka mana, ka laulā, ke kumukūʻai, ka palekana, a me ke ʻano o ka ʻikepili e hoʻouna ʻia nei. Me ka hui kūpono o nā ʻenehana kamaʻilio, hiki i ka IoT ke lilo i hopena kūpono a hopena i nā home, nā ʻoihana, nā kūlanakauhale, a me nā wahi mamao.
Inā makemake ʻoe, hiki iaʻu ke hoʻololi i kēia ʻatikala i kahi pōʻaiapili kikoʻī (e like me ke kūlanakauhale akamai, ka ʻoihana hana, ka mahiʻai, a i ʻole ka home akamai) a hoʻohui i nā hihia haʻawina a me kahi papa inoa puke.
