A kalo fila ye nin ye, Erɔpu woroduguyanfan na, magazɛnba dɔw ka cakɛda dɔ y’a ɲini an fɛ an ka magazɛn 22 ka etaziw sɛbɛnin dɔ fɔ. U ka sannikɛlaw tun ye sisitɛmu saba labɛn ka ban - kelen be baara kɛ ni Bluetooth LE ye, kelen be baara kɛ ni Wi-Fi ye ani kelen be baara kɛ ni aradiyo 433 MHz ye min be baara kɛ n’a yɛrɛ ta ye. Feerekɛla kelen kelen bɛɛ tun b’a fɔra ko olu ta lo ka fisa n’u bɛɛ ye. Mɔgɔ si m’a ɲɛfɔ cogo min na a tun ka jugu ka tɛmɛ tɔɔw bɛɛ kan. O baro y’an lasun k’o yɔrɔ sɛbɛ.
Denbaya saba minw tɛ nɛgɛjuruw ye, olu lo be ESL ka baarakɛcogo mara sisan: Bluetooth Low Energy (BLE, kɛrɛnkɛrɛnniya la kabini 5.4 ka sɛrɛkili), Wi-Fi, ani Sub-GHz arajo (433 MHz Azi jamana na, 868 MHz Erɔpu jamana na, 915 MHz Ameriki woroduguyanfan na). Porotokɔli kelen kelen bɛɛ be gwɛlɛya sɔbɛ dɔ ɲɛnabɔ. U kelen kelen bɛɛ be bɛnbaliya dɔw lawuli minw feerekɛlaw ka kitabuninw tɛ u jati. An ye min ye magazɛnw lamini yɛrɛ yɛrɛw la, o filɛ.
Bluetooth LE: Dakun dayɛlɛnin lo, a bele be kɔrɔbayara
Bluetooth be ni fanga jugu ye a kɔ. Bluetooth SIG ye ESL porofayili dɔ bɔ min labɛnna Bluetooth 5.4 ka PAwR (Publicité périodique avec réponses) kan - fɛɛrɛ dɔ min b’a to yɔrɔ kelen be cikanw lase tagamasiɲɛ waa caaman ma wagati labɛnninw na, o kɔ, u kelen kelen bɛɛ be jaabiliw sɔrɔ k’a sɔrɔ u tɛ jaabiliw sɔrɔ.
Silicon Labs y’o sɛgɛsɛgɛ 1 500-node réseau kan u ka laboratuwari kɔnɔ. EM Microelectronic ye em|bleu SoC ci ni milimɛtiri 1,8×1,8 dɔrɔn ye ani 200 nA ka sinɔgɔ kuran - a ka dɔgɔ ani a ka dɔgɔ fɔɔ a be se ka don hali a kɔnɔ .2.66-inch E-ink tagamasiɲɛw. Komi Bluetooth minɛn miliyari 5 ni kɔ be ci saan o saan, u kɔnɔfɛnw sɔngɔ be nafa sɔrɔ sɔrɔko caaman na.
Jagokɛlaw fɛ, nafa min be yen, o ye feerekɛlaw ka yɛlɛmaniw ye. Sariya dayɛlɛnin kɔrɔ ye - hali sariyako la - min b’a to i be se ka sɔrɔyɔrɔw ɲagami ka bɔ feerekɛla dɔ fɛ ni tagamasiɲɛw ye ka bɔ dɔ wɛrɛ fɛ. O ye bɔli kɔrɔman ye ka bɔ feerekɛla lock-in la min ye ESL tɔɔrɔ kabi saan caaman. Sinɔgɔ kuru minw ka dɔgɔ ni 2 μA ye, olu lo be sɔrɔ BLE ESL ka sɛrɛkiliw la, ani Bluetooth 5.4 spec be tagamasiɲɛ 32 600 ɲɔgɔn dɛmɛ yɔrɔ kelen kelen bɛɛ la minw be se ka sɔrɔ papiye kan.
O minɛ: "papiye kan" kɔrɔtanin lo yan. Dumunifɛnw feereyɔrɔbaw -BLE kan, olu ka dɔgɔ hali bi n’an y’u suma ni yɛrɛta sisitɛmu ye minw be baara kɛra kabi saan tan. Rigado, IoT dakun feerebaga min be baara kɛ ESL kɔnɔ, a be dakun kelen kelen bɛɛ musakaw bila dɔrɔmɛ 1 000 ka taga se dɔrɔmɛ 2 000 ma n’u donna - ani suguba dɔ mako be se ka kɛ tan wala u ɲɔgɔn na. BLE be baara kɛ ni 2,4 GHz ye, a be spectre tilan Wi-Fi routeurs, kiliyanw ka telefɔniw, micro-ondes ani wireless minan tɔɔw bɛɛ la boon kɔnɔ. Butigi min kɔnɔ baara ka ca, o jama be se ka sɔngɔ yɛlɛmani bila kɔfɛ lɛrɛ minw na mɔgɔw ka ca.
A ka fisa: furakɛyɔrɔw, butikiw, ani magazɛn minw bonya be m2 2 000 - jukɔrɔ kɛrɛnkɛrɛnniya la minw be BLE lanpanw baara ka ban walisa ka nafolo sɛgɛsɛgɛ. Jagokɛlaw be fɛɛnw ɲini5.8-inch BLE-se ka etazi sɛbɛnwo yɛlɛmani min bɔra tablɛti dɔ la min tɛ ni baarakɛminanw ye, o bena porotokɔli nin diyabɔ.
Wi-Fi: Baara kɛ n’i ka réseau kɔrɔ ye - nka wari min be sɔrɔ batiriw kama
O kuma tilennin lo: i ka magazɛn be baara kɛ ni enterprise Wi-Fi ye ka ban yɔrɔ bɛɛ la, o la, i ka dakun kuraw tɛmɛ ani i ka ESLw nɔrɔ ɲɔgɔn na ni réseau kɔrɔ ye. Baarakɛyɔrɔbaw ka cakɛda minw ye wari caaman don ka ban jagokɛyɔrɔw la minw be se ka mɔgɔw minɛ ka ɲɛ, jatebɔ min be kɛ ka don ɲɔgɔn na, o be mɔgɔ ɲɛɛ sama.
Wi-Fi fana be kunnafoni caaman di ka tɛmɛ BLE wala Sub-GHz kan. O nafa be ye ka gwɛ n’i be jaaw kɔnɔkow nafolomanw - fɛnw jaaw, fɛnw feereli jaaw - ɲɔndira ka taga .LCD- min basiginin be ɛntɛrinɛti sɔngɔw kansanni ka E-ink tagamasiɲɛ nɔgɔmanw kɛ. KELE15,6-inch LCD ekranka yɛlɛmaniw kɛ endcap la, o mako be bandwidth la min E-ink sɔngɔ tagamasiɲɛw tɛ min kɛ.
Gwɛlɛya be sɔrɔ yɔrɔ fila la. A fɔlɔ, kuran minɛcogo. Wi-Fi be kuran caaman bɔ ka tɛmɛ BLE wala Sub{3}}GHz kan yɛlɛmani kelen kelen bɛɛ la. E-ink sɛbɛri min be Sub-GHz aradiyo kan, o be se ka baara kɛ saan duuru ka taga se saan seegi ma warigwɛ seliliw kan ani yɛlɛmani kelen ka taga se saba ma loon o loon. O tagamasiɲɛ kelen lo be Wi-Fi kan wa? Kalo tan ni fila ka taga se kalo tan ni seegi ma. A ka kan ka kɛ ko - sɛbɛn waa caaman be sɔrɔ magazɛn caaman kɔnɔ - o kɔrɔ ko batiri yɛlɛmani porogaramu min be to ka kɛ i ka baarakɛlaw ka jɛnkulu ka ɲi k’o dɛmɛ. A filanan, réseau ka mɔgɔw be ɲɔgɔn minɛ. Wi-Fi ESLw be ɲɔgɔn sɔsɔ fiɲɛ wagati la ni POS terminalw ye, sannikɛlaw ka minanw, bolola sɛgɛsɛgɛrikɛlaw ani yɛrɛ-sɛgɛsɛgɛrikɛyɔrɔw. Sibirilon wulafɛ, mɔgɔw ka ca wagati la, o ɲɔgɔndan tɛ tewori ye.
A ka fisa: baarakɛyɔrɔw ka feerekɛlaw minw ka Wi-Fi baarakɛminanw kɔgɔnin lo, minw dilanna ka ɲɛ, magazɛn minw be baara kɛ ni tagamasiɲɛw ye minw be baara kɛ ni LCD ye (yɔrɔ minw na batiri tɛ foyi ɲɛ sabu ekranw be donna), ani baarakɛyɔrɔ minw be suma ni tagamasiɲɛ kɛmɛw ye sanni ka suma ni tagamasiɲɛ waa tan ye.
GHz fitinin (433/{2}}/915 MHz): Ɲɛyirali tɛ yen, yɔrɔjan, batiri jan
Sub-GHz arajo tɛ ni jagokɛyɔrɔ ye min b’a latanga cogo min na Bluetooth SIG be BLE latanga. Sub-GHz ESL sisitɛmu fanba be baara kɛ ni porotokoliw ye minw ɲɛsinna tagamasiɲɛ dilanbaga ma. O ɲɔgɔnna baarakɛɲɔgɔnya porofayili tɛ yen. Ka feerekɛlaw yɛlɛma, o kɔrɔ ye ka kumaɲɔgɔnya yɔrɔ bɛɛ yɛlɛma.
Ani o bɛɛ n’a ta, magazɛn sifa dɔw la, fiziki b’a to a be kɛ sugandili ɲuman ye ka tɛmɛ fɛɛn bɛɛ kan. Frekansi minw ka dɔgɔ, olu be yɛlɛmani janw bɔ. Ondi minw ka jan, olu be don nɛgɛdagaw, betɔn kogow ani firigow kɔnɔ ka ɲɛ ka tɛmɛ 2,4 GHz tagamasiɲɛw kan. Display Data, min ye ESL dilanbaga dɔ ye min be UK-, y’u ka yɔrɔ bɛɛ lɔ Sub-1 GHz lamini na o kuun tigitigi kama - ka se ka yɔrɔ caaman sɔrɔ ani ka tagamasiɲɛw don jagokɛyɔrɔw la minw ka gwɛlɛ. Sub-GHz yɔrɔ kelen be yɔrɔ min datugu, o ka bon kosɔbɛ ka tɛmɛ a ka BLE wala Wi-Fi ɲɔgɔn kan. Ni mɔgɔw be se ka don yɔrɔ minw na, o kɔrɔ ye ko baarakɛminɛnw sɔngɔ be dɔgɔya ani ko réseau labɛnni ka nɔgɔ.
Batiri be se ka baara kɛ cogo min na, o lo b’o latigɛ. Silicon Labs ka ESL dilancogo ɲɛminɛli b’a yira ko ka se ka saan duuru ka taga se saan tan ma CR2032 warigwɛ seliliw kan, o be wari hakɛ dɔ ɲini min ka dɔgɔ ni 10 μA ye - u ka Sub-GHz FG22 SoC be 0,17 μA sɔrɔ sinɔgɔba la. Tabelebele-cogo E-enkiri sɛbɛnwyɔrɔw la minw be sɔrɔ magazɛnw kɔnɔ wala sugubaw la ani yɛlɛmani kelen ka taga se saba ma loon o loon, Sub-GHz be baarakɛcogo jan di tuma bɛɛ.
A ka ɲi ka kɛ: hypermarchés ani big-box retailers minw ka bon ni m2 5,000 ye, magazɛnw ni minanw lamini minw be ni nɛgɛw ye, nɛnɛyɔrɔw ani firigoyɔrɔw, ani baarakɛyɔrɔ o baarakɛyɔrɔ min na baarakɛminɛnw dɔgɔya ani ka batiriw ka baara kɛcogo caya, o lo be tɛmɛ bandwidth kan. An ka sannikɛlaw minw be E-ɛnki sɛbɛw bɔ magazɛnbaw kɔnɔ, olu be to ka yɛlɛma ka taga Sub-GHz fɛ.
Kɛrɛfɛ-ni-Kɛrɛfɛla sangali
| Mɛtiri | Bulutuzi LE 5.4 | Fi | GHz fitinin (433/915 MHz) |
|---|---|---|---|
| A be baara kɛ -Magazɛn kɔnɔ | 10–30 m | 15–35 m | 50–200 m |
| Batiri ka baara wagati (E-enki, yɛlɛmani 1–3/tile) | Saan 3–5 | saan 1–2 | saan 5–10 |
| Kunnafoniw bɔli | Ka bɛrɛbɛn | Gongolima | Kadɔgɔ |
| Tagamasiɲɛw yɔrɔ kelen kelen bɛɛ la | ~32,000 (sɛbɛn) / kɛmɛ tipikali | A be yɛlɛma ka kɛɲɛ ni AP ka setigiya ye | Waga caaman be dakun kelen kelen bɛɛ la . |
| Gateway sɔngɔ (min donna) | $1,000–$2,000 | A be baara kɛ ni réseau kɔrɔ ye | $500–$1,500 |
| 2.4 GHz ɲɔgɔndan | Ɔnhɔn | Ɔnhɔn | - danfaranin tɛ |
| Standard dayɛlɛ | Ɔnhɔn (BLE ESL ka porofayili) | Ɔnhɔn (802,11) | A fanba ye tigiw ta ye |
| Magazɛn ɲuman cogoya | Jagokɛyɔrɔ fitininw–cɛmancɛw, furakɛyɔrɔw | Baarakɛyɔrɔ min be ni IT barikaman ye | Sugubaw, magazɛnw |
Protocole sugandili be yɛlɛma i ka magazɛn bɛɛ kɔnɔ
Fɛɛn min be porotokoli sangali barokunw to yen tuma bɛɛ: i ka ESL réseau sans fil tɛ baara kɛ a kelen. O yɔrɔw, sɔngɔw kɔfɛyɔrɔ, marali porogaramu - o bɛɛ be maga dizitali sisitɛmu wɛrɛw la magazɛn kɔnɔ. N’i be bolila .yɛrɛ-sɛrɛkili min be maga ekran naka wari bɔ, o kiyɔsiw be sɔngɔw bɔ o kunnafoniw marayɔrɔ kelen na. Ni shelf-edge LCD bar be yɛlɛmaniw yira siradaw la, kɔnɔnakow motɛri min be o ekranw balo, o be se ka kanpaɲiw lawuli fana i ka E-ink sɛbɛw kan - nka n’o sisitɛmuw be API layer kelen lo tilan.
An ye jaabi saniyaninw ye tuma min na sannikɛlaw b’u ka ESL bilali labɛn u ka kiyɔsi n’u ka tagamasiɲɛw dilanni kɛrɛfɛ, u tɛ i n’a fɔ IT poroze saba danfaraninw. Ni sannikɛla be sɔngɔ min ye etazi kan, endcap LCD ekran, ani self-checkout terminal bɛɛ be bɔ yɔrɔ kelen na, sɔngɔw ka ŋunuŋunukanw - min ye ɲɔgɔndanba kelen ye dumunifeereyɔrɔ la - be jigi ka surunya zero ma.
Ɲiningali saba sanni i ka koo dɔ kɛ .
I ka boon lɔcogo be cogo di?Farmasi min bonya ye m2 400 ye ani suguba min bonya ye m2 12 000 ye, olu ye arajo yɔrɔw ye minw tɛ kelen ye. BLE be fɔlɔ minɛ ni yɔrɔ fila wala saba ye. N’a sɔrɔ filanan mako be Sub-GHz la walisa a kana nɔgɔ don sanbon na ni daaw ye.
I be fɛɛn jumanw lo yira?Sɔngɔ minw be yɛlɛma yɛlɛma E-ink kan? Protocole o porotokoli b’o koo ɲɛnabɔ. Videwow be yira LCD ekranw kan minw be baara kɛ ni fanga ye wa? I mako be Wi-Fi ka tɛmɛsira la. Flash sɔngɔ min be yɛlɛma siɲɛ caaman lɛrɛ kelen kɔnɔ wa? A sɛgɛsɛgɛ ko aw ka porotokoli be se ka yɛlɛmani hakɛ sabati k’a sɔrɔ a ma batiriw bɔ joona.
Mun lo b’i ka fiɲɛw tilan?Butigi min tun fanin be 2,4 GHz - la ka ban, a ka sannikɛla Wi-Fi, IoT sensɔriw, bolola sɛgɛsɛgɛrikɛlaw - bena kɛlɛ kɛ ni 2,4 GHz sisitɛmu wɛrɛ ye min be nɔrɔnin lo a sanfɛ. Sub-GHz be baara kɛ yɔrɔ min na mɔgɔw man ca pewu.
Porotokɔli kelen si tɛ fisaman ye duniɲa kuru bɛɛ kɔnɔ. N’i ka ESL dilanbaga be wireless kelen dɔrɔn lo di i ma ani a tɛ se k’a ɲɛfɔ a be dɛsɛ yɔrɔ min na, o be koo dɔ fɔ i ye. N’i b’a fɛ ka tagamasiɲɛw sɛgɛsɛgɛ i ka magazɛn kɔnɔ sanni i ka baara kɛ ni sɛgɛsɛgɛri ye,sɛgɛsɛgɛli misaliyaw ɲini- lɔgɔkun fila yɔrɔ kelen na, o be koo caaman yira ka tɛmɛ sɛbɛnw wala feerekɛlaw ka sɛrɛkiliw kan.
