Bluetooth: Ndi chiyani ndi zomwe ingachite

Nyali yabuluu yayatsidwa, mwalumikizidwa ndi matsenga a bluetooth! Koma zimagwira ntchito bwanji?

Bluetooth ndi a mafoni mulingo waukadaulo womwe umathandizira zida kuti zizilumikizana pakanthawi kochepa (mafunde a wailesi ya UHF mu gulu la ISM kuyambira 2.4 mpaka 2.485 GHz) kumanga maukonde a anthu (PAN). Imagwiritsidwa ntchito kwambiri pazida zam'manja monga zomverera m'makutu ndi okamba, kupereka kuthekera kolumikizana ndikuzindikira mapulogalamu osiyanasiyana.

Tiyeni tione mbiri ndi luso kuseri chodabwitsa opanda zingwe muyezo.

Kumvetsetsa Bluetooth Technology

Kodi Bluetooth ndi chiyani?

Bluetooth ndi mulingo waukadaulo wopanda zingwe womwe umathandizira zida kuti zizilumikizana pakanthawi kochepa, kupanga netiweki yadera laumwini (PAN). Amagwiritsidwa ntchito kwambiri posinthanitsa ma data pakati pa zida zokhazikika ndi zam'manja, kuwapatsa kuthekera kolumikizana ndikuzindikira mapulogalamu osiyanasiyana. Tekinoloje ya Bluetooth imagwiritsa ntchito mafunde a wailesi mu pafupipafupi band ya 2.4 GHz, yomwe ili ndi ma frequency angapo omwe amasungidwa kumafakitale, sayansi, ndi zamankhwala (ISM).

Kodi Bluetooth imagwira ntchito bwanji?

Ukatswiri wa Bluetooth umaphatikizapo kutumiza ndi kulandira data popanda zingwe pakati pa zida pogwiritsa ntchito mafunde a wailesi. Zipangizo zamakono zimagwiritsa ntchito deta yokhazikika, yomwe imafalitsidwa mosawoneka kudzera mumlengalenga. Mitundu yofananira ya zida za Bluetooth ndi pafupifupi 30 mapazi, koma imatha kusiyanasiyana kutengera chipangizocho komanso chilengedwe.

Zida ziwiri zolumikizidwa ndi Bluetooth zikafika mosiyanasiyana, zimazindikira ndikusankhana zokha, njira yomwe imatchedwa pairing. Zikalumikizidwa, zidazo zimatha kulumikizana popanda zingwe.

Ubwino wa Bluetooth ndi chiyani?

Ukadaulo wa Bluetooth umapereka maubwino angapo, kuphatikiza:

• Kuphweka: Tekinoloje ya Bluetooth ndiyosavuta kugwiritsa ntchito ndipo imathandizira zida kuti zizilumikizana popanda mawaya kapena zingwe.
• Kusunthika: Ukadaulo wa Bluetooth udapangidwa kuti uzitha kulumikizana opanda zingwe pakati pa zida zonyamulika, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito poyenda.
• Chitetezo: Ukadaulo wa Bluetooth umathandizira madalaivala kuti azilankhula pamafoni awo opanda manja, zomwe zimapangitsa kuti aziyendetsa bwino.
• Ubwino: Ukadaulo wa Bluetooth umathandizira ogwiritsa ntchito kutsitsa zithunzi kuchokera ku makamera awo a digito kapena kulumikiza mbewa ku tabuleti yawo popanda mawaya kapena zingwe.
• Kulumikizana nthawi imodzi: Ukadaulo wa Bluetooth umathandizira zida zingapo kulumikizana nthawi imodzi, kupangitsa kuti zizitha kumvera nyimbo pamutu komanso kugwiritsa ntchito kiyibodi ndi mbewa.

Etymology

The Angliced ​​Version of a Scandinavian Old Norse Epithet

Mawu oti “Bluetooth” ndi chilankhulo cha Scandinavia Old Norse epithet “Blátǫnn,” kutanthauza “mano abuluu.” Dzinali lidasankhidwa ndi Jim Kardach, yemwe kale anali injiniya wa Intel yemwe adagwira ntchito yopanga ukadaulo wa Bluetooth. Kardach anasankha dzinali kutanthauza kuti luso la Bluetooth limagwirizanitsa zipangizo zosiyana, monga momwe Mfumu Harald inagwirizanitsa mafuko a Denmark kukhala ufumu umodzi m'zaka za zana la 10.

Kuchokera ku Insane Homespun Idea kupita Kugwiritsidwa Ntchito Wamba

Dzina loti "Bluetooth" silinali chifukwa cha kusinthika kwachilengedwe, koma zochitika zingapo zomwe zidapangitsa kupanga mtundu. Malingana ndi Kardach, poyankhulana, anali kuyang'ana zolemba za History Channel za Harald Bluetooth pamene adapeza lingaliro loti atchule teknoloji pambuyo pake. Dzinali lidakhazikitsidwa panthawi yomwe ma URL anali ochepa, ndipo woyambitsa mnzake Robert adavomereza kuti "Bluetooth" inali yabwino kwambiri.

Kuchokera ku Googol kupita ku Bluetooth: Kupanda Dzina Langwiro

Oyambitsa Bluetooth poyamba adatchula dzina loti "PAN" (Personal Area Networking), koma inalibe mphete inayake. Amaganiziranso mawu a masamu akuti "googol," omwe ndi nambala wani yotsatiridwa ndi ziro 100, koma amawonedwa kuti ndi yayikulu kwambiri komanso yosayerekezeka. Mkulu wamakono wa Bluetooth SIG, Mark Powell, adaganiza kuti "Bluetooth" ndilo dzina labwino kwambiri chifukwa likuwonetsera luso lamakono komanso luso la intaneti.

Zolemba Molakwika Mwangozi Zomwe Zinakakamira

Dzina loti "Bluetooth" lidatsala pang'ono kulembedwa kuti "Bluetooth" chifukwa chosowa ma URL, koma mawuwo adasinthidwa kukhala "Bluetooth" kuti apereke masipelo odziwika bwino. Kalembedwe kameneka kanakhudzanso dzina la mfumu ya ku Denmark, Harald Blåtand, yemwe dzina lake lomaliza limatanthauza “dzino labuluu.” Kulemba molakwika kudachitika chifukwa cha ufiti wa zinenero zomwe zidapha dzina loyambirira ndikupangitsa kuti pakhale dzina latsopano lomwe linali lokopa komanso losavuta kukumbukira. Zotsatira zake, kulembedwa molakwika mwangozi kunakhala dzina lovomerezeka laukadaulo.

Mbiri ya Bluetooth

Kufunafuna Kulumikiza Kwawaya

Mbiri ya Bluetooth idayamba zaka masauzande ambiri, koma kufunafuna kulumikizana opanda zingwe kudayamba kumapeto kwa zaka za m'ma 1990. Mu 1994, Ericsson, kampani yolumikizana ndi mafoni yaku Sweden, idayambitsa pulojekiti yomwe inali ndi cholinga chofotokozera moduli yopanda zingwe ya Personal Base Station (PBA). Malinga ndi Johan Ullman, CTO wa Ericsson Mobile ku Sweden panthawiyo, ntchitoyi inkatchedwa "Bluetooth" pambuyo pa Harald Gormsson, mfumu yakufa ya Denmark ndi Norway yemwe ankadziwika kuti amatha kugwirizanitsa anthu.

Kubadwa kwa Bluetooth

Mu 1996, munthu wina wa ku Dutch dzina lake Jaap Haartsen, yemwe ankagwira ntchito ku Ericsson panthawiyo, adapatsidwa ntchito yotsogolera gulu la akatswiri kuti aphunzire momwe angagwiritsire ntchito opanda zingwe. Gululo linanena kuti zinali zotheka kupeza chiwerengero chokwanira cha deta ndi mphamvu zokwanira zogwiritsira ntchito foni yam'manja. Chofunikira chinali kukwaniritsa zomwezo pamabuku ndi mafoni m'misika yawo.

Mu 1998, makampaniwa adatsegulidwa kuti alole mgwirizano waukulu ndi kuphatikizika kwa zopanga, ndipo Ericsson, IBM, Intel, Nokia, ndi Toshiba adasaina ku Bluetooth Special Interest Group (SIG), ndi ma patent okwana 5 adawululidwa.

Bluetooth Today

Masiku ano, ukadaulo wa Bluetooth wapititsa patsogolo makampani opanda zingwe, ndi mphamvu yolumikizira zida mosasunthika komanso opanda zingwe. Kugwiritsa ntchito mphamvu kwambiri kumakhala kochepa, zomwe zimapangitsa kuti zigwiritsidwe ntchito pazida zosiyanasiyana. Kuphatikizika kwaukadaulo wa Bluetooth m'mabuku ndi mafoni kwatsegula misika yatsopano, ndipo makampaniwa akupitiliza kuloleza mgwirizano waukulu komanso kuphatikiza kwazinthu zatsopano.

Pofika chaka cha 2021, pali ma patent opitilira 30,000 okhudzana ndi ukadaulo wa Bluetooth, ndipo Bluetooth SIG ikupitilizabe kukonzanso ndikusintha ukadaulo kuti ukwaniritse zosowa za msika wamagetsi ogula.

Malumikizidwe a Bluetooth: Otetezeka kapena ayi?

Chitetezo cha Bluetooth: Zabwino ndi zoyipa

Ukatswiri wa Bluetooth wasintha momwe timalumikizira zida zathu. Zimatithandiza kusinthanitsa deta popanda zingwe, popanda kufunikira kwa zingwe kapena kulumikizana mwachindunji. Kupanga kumeneku kwapangitsa kuti ntchito zathu za tsiku ndi tsiku zikhale zosavuta, komanso zimabwera ndi chinthu chowopsa - kuopsa kwa ochita zoyipa kusokoneza ma siginecha athu a Bluetooth.

Kodi mungatani ndi Bluetooth?

Kulumikiza Zipangizo Mopanda Waya

Ukadaulo wa Bluetooth umakupatsani mwayi wolumikiza zida zosiyanasiyana popanda zingwe, ndikuchotsa kufunikira kwa zingwe ndi zingwe. Izi zikutanthauza kuti mutha kukhala ndi njira yosavuta komanso yosavuta yolumikizira zida. Zida zina zomwe zitha kulumikizidwa kudzera pa Bluetooth ndi:

• mafoni
• makompyuta
• Makina osindikiza
• Mphungu
• Makanema
• Zomverera
• Oyankhula
• makamera

Kusamutsa Data

Ukadaulo wa Bluetooth umakupatsaninso mwayi kusamutsa deta popanda zingwe pakati pazida. Izi zikutanthauza kuti mutha kugawana mwachangu komanso mosavuta zikalata, zithunzi, ndi mafayilo ena popanda kufunikira kwa zingwe kapena intaneti. Njira zina zomwe mungagwiritse ntchito Bluetooth kusamutsa deta ndi monga:

• Kuyanjanitsa foni yanu ndi kompyuta yanu kusamutsa mafayilo
• Kulumikiza kamera yanu ku foni yanu kuti mugawane zithunzi nthawi yomweyo
• Kulumikiza smartwatch yanu ku foni yanu kuti mulandire zidziwitso ndikuwongolera chipangizo chanu

Kusintha Moyo Wanu

Ukadaulo wa Bluetooth wapangitsa kukhala kosavuta kusintha moyo wanu m'njira zingapo. Mwachitsanzo:

• Mapulogalamu athanzi ndi olimba angagwiritse ntchito Bluetooth kuti azitha kuyang'anira zochitika zanu zolimbitsa thupi ndi thanzi lanu, ndikukupatsani kumvetsetsa bwino za thanzi lanu lonse komanso thanzi lanu.
• Zipangizo zapanyumba zanzeru zitha kuwongoleredwa kudzera pa Bluetooth, zomwe zimakupatsani mwayi wowongolera magetsi anu, chotenthetsera, ndi zida zina kuchokera pafoni yanu.
• Zothandizira kumva zokhala ndi Bluetooth zimatha kutulutsa mawu mwachindunji kuchokera pa foni yanu, ndikuwongolera kumvetsera kwanu.

Kusunga Ulamuliro

Ukadaulo wa Bluetooth umakupatsaninso mwayi wowongolera zida zanu m'njira zingapo. Mwachitsanzo:

• Mutha kugwiritsa ntchito Bluetooth kuti muwongolere chotseka cha kamera yanu, kukulolani kuti mujambule zithunzi patali.
• Mutha kugwiritsa ntchito Bluetooth kuwongolera TV yanu, kukulolani kuti musinthe voliyumu ndikusintha matchanelo osadzuka pabedi.
• Mutha kugwiritsa ntchito Bluetooth kuwongolera sitiriyo yamagalimoto anu, kukulolani kuti muzitha kusuntha nyimbo kuchokera pafoni yanu osakhudza chipangizo chanu.

Ponseponse, ukadaulo wa Bluetooth ndi chida chosunthika komanso chothandiza chomwe chingagwiritsidwe ntchito m'njira zosiyanasiyana kuti titukule miyoyo yathu. Kaya mukufuna kulumikiza zida, kusamutsa deta, kapena kuyang'anira zida zanu, Bluetooth imapereka yankho labwino.

kukhazikitsa

Frequency ndi Spectrum

Bluetooth imagwira ntchito mu band ya frequency ya 2.4 GHz yopanda chilolezo, yomwe imagawidwanso ndi maukadaulo ena opanda zingwe kuphatikiza Zigbee ndi Wi-Fi. Gulu la ma frequency awa lagawidwa mumayendedwe 79 osankhidwa, iliyonse ili ndi bandwidth ya 1 MHz. Bluetooth imagwiritsa ntchito njira yolumikizira ma frequency-hopping yomwe imagawaniza ma frequency omwe alipo mu 1 MHz njira ndikuchita adaptive frequency hopping (AFH) kupewa kusokonezedwa ndi zida zina zomwe zimagwira ma frequency band omwewo. Bluetooth imagwiritsanso ntchito Gaussian frequency-shift keying (GFSK) ngati njira yake yosinthira, yomwe ndi kuphatikiza kwa quadrature phase-shift keying (QPSK) ndi frequency-shift keying (FSK) ndipo akuti imapereka masinthidwe anthawi yomweyo.

Kuyanjana ndi Kulumikiza

Kuti mukhazikitse kulumikizana kwa Bluetooth pakati pa zida ziwiri, ziyenera kulumikizidwa kaye. Kuyanjanitsa kumaphatikizapo kusinthanitsa chizindikiritso chapadera chotchedwa kiyi yolumikizira pakati pa zida. Kiyi yolumikizira iyi imagwiritsidwa ntchito kubisa deta yomwe imatumizidwa pakati pa zida. Kuphatikizika kungayambitsidwe ndi chipangizo chilichonse, koma chipangizo chimodzi chiyenera kukhala choyambitsa ndi china ngati choyankha. Zikaphatikizidwa, zida zimatha kukhazikitsa kulumikizana ndikupanga piconet, yomwe imatha kuphatikiza zida zisanu ndi ziwiri zogwira ntchito nthawi imodzi. Woyambitsayo amatha kuyambitsa kulumikizana ndi zida zina, kupanga scatternet.

Kusamutsa Data ndi Modes

Bluetooth imatha kusamutsa deta m'njira zitatu: mawu, data, ndi kuwulutsa. Mawu amagwiritsidwa ntchito potumiza mawu pakati pa zida, monga kugwiritsa ntchito chomverera m'makutu cha Bluetooth kuyimba foni. Deta mode ntchito posamutsa owona kapena deta zina pakati zipangizo. Mawonekedwe owulutsa amagwiritsidwa ntchito potumiza deta ku zida zonse zomwe zili mkati. Bluetooth imasinthasintha mwachangu pakati pamitundu iyi kutengera mtundu wa data yomwe imasamutsidwa. Bluetooth imaperekanso kukonza zolakwika zamtsogolo (FEC) kuti zithandizire kudalirika kwa data.

Khalidwe ndi Kusamveka

Zipangizo za Bluetooth zimayenera kumvetsera ndi kulandira deta pokhapokha ngati kuli kofunikira kuti muchepetse katundu pa intaneti. Komabe, machitidwe a zida za Bluetooth amatha kukhala osamveka bwino ndipo amatha kusiyanasiyana kutengera chipangizocho komanso kukhazikitsidwa kwake. Kuwerenga phunziro la kukhazikitsa kwa Bluetooth kungathandize kumveketsa zina mwazovuta. Bluetooth ndi ukadaulo wodziwikiratu, kutanthauza kuti sifunika kukhala ndi gulu lapakati kuti ligwire ntchito. Zida za Bluetooth zimatha kufikirana mwachindunji popanda kufunikira kosinthira kapena rauta.

Mafotokozedwe ndi mawonekedwe a Bluetooth

Kugwirizana ndi Kugwirizana

• Bluetooth imatsata ukadaulo waukadaulo wopangidwa ndi Bluetooth Special Interest Group (SIG) kuti zitsimikizire kugwirizana pakati pa zida zosiyanasiyana.
• Bluetooth imagwirizana kumbuyo, kutanthauza kuti mitundu yatsopano ya Bluetooth imatha kugwira ntchito ndi mitundu yakale ya Bluetooth.
• Bluetooth yakhala ikusintha kangapo ndikuwongolera pakapita nthawi, pomwe mtundu wapano ndi Bluetooth 5.2.
• Bluetooth imapereka mbiri wamba yomwe imalola zida kugawana deta ndi magwiridwe antchito, kuphatikiza kutha kumva zomvera, kuyang'anira thanzi, ndikuyendetsa mapulogalamu.

Ma Mesh Networking ndi Mawonekedwe Awiri

• Bluetooth ili ndi mbiri yapaintaneti ya ma mesh yomwe imalola zida kuti zizigwirizana ndikupereka kulumikizana kodalirika kudera lalikulu.
• Bluetooth Dual Mode imapereka njira yoti zida ziziyendera ma Bluetooth akale komanso Bluetooth Low Energy (BLE) nthawi imodzi, kupereka kulumikizana kwabwinoko komanso kudalirika.
• BLE ndi mtundu woyengedwa bwino wa Bluetooth womwe umapereka magwiridwe antchito oyambira komanso osavuta kuti ogula alumikizane nawo.

Chitetezo ndi Kutsatsa

• Bluetooth ili ndi kalozera wopangidwa ndi National Institute of Standards and Technology (NIST) kuti atsimikizire chitetezo cha kulumikizana kwa Bluetooth.
• Bluetooth imagwiritsa ntchito njira yotchedwa advertising kulola zida kuti zizindikire ndikulumikizana.
• Bluetooth yasiya zinthu zina zakale zomwe zitha kukhudza kusiya kuthandizira izi mtsogolo.

Ponseponse, Bluetooth ndiukadaulo wogwiritsidwa ntchito kwambiri wopanda zingwe womwe wasinthidwa ndikusintha nthawi zambiri kuti ugwire ntchito bwino komanso kudalirika. Ndi mawonekedwe ake osiyanasiyana komanso mawonekedwe ake, Bluetooth ikupitilizabe kukhala chisankho chodziwika bwino kwa akatswiri ambiri ndi ogula.

Tsatanetsatane waukadaulo wa Bluetooth Technology

Bluetooth Architecture

Zomangamanga za Bluetooth zimakhala ndi maziko ofotokozedwa ndi Bluetooth SIG (Special Interest Group) komanso m'malo mwa telefoni yotengedwa ndi ITU (International Telecommunication Union). Zomangamanga zazikuluzikulu zimakhala ndi stack yomwe imayang'anira ntchito zothandizira padziko lonse lapansi, pomwe kusintha kwa telephony kumayang'anira kukhazikitsidwa, kukambirana, ndi udindo wa lamulo.

Zida za Bluetooth

Bluetooth hardware imapangidwa pogwiritsa ntchito RF CMOS (Complementary Metal-Oxide-Semiconductor) mabwalo ophatikizika. Mawonekedwe akuluakulu a hardware ya Bluetooth ndi mawonekedwe a RF ndi mawonekedwe a baseband.

Ntchito za Bluetooth

Ntchito za Bluetooth zikuphatikizidwa mu stack ya Bluetooth ndipo kwenikweni ndi gulu la PDUs (Protocol Data Units) zotumizidwa pakati pa zida. Ntchito zotsatirazi zimathandizidwa:

• Kupeza Service
• Kukhazikitsa Malumikizidwe
• Kukambirana kwa mgwirizano
• Kusintha kwa Deta
• Command Status

Kugwirizana kwa Bluetooth

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Ukadaulo wa Bluetooth umagwiritsidwa ntchito kwambiri pamanetiweki amdera lanu, kulola zida kuti zizilumikizana opanda zingwe patali pang'ono. Zipangizo za Bluetooth zimatsatira zomwe zafotokozedwa ndi mawonekedwe ake kuti zitsimikizire kuti zimagwirizana, kuphatikiza kugwiritsa ntchito adilesi yapadera ya MAC (Media Access Control) ndikutha kuyendetsa stack ya Bluetooth. Bluetooth imathandiziranso kusamutsa kwa data kwa asynchronous ndikuwongolera zolakwika pogwiritsa ntchito ARQ ndi FEC.

Kulumikiza ndi Bluetooth

Zokonza Pairing

Kulumikiza zida ndi Bluetooth ndi njira yapadera komanso yosavuta yolumikizira zida zanu popanda zingwe. Zida zophatikizira zimaphatikizapo kulembetsa ndi kulumikiza zida ziwiri zolumikizidwa ndi Bluetooth, monga foni yam'manja ndi laputopu, kuti musinthane deta popanda mawaya aliwonse. Umu ndi momwe mungalumikizire zida:

• Tsegulani Bluetooth pazida zonsezi.
• Pa chipangizo chimodzi, sankhani chipangizo china pamndandanda wa zida zomwe zikupezeka.
• Dinani batani la "Pair" kapena "Lumikizani".
• Kachidindo kakang'ono kamasinthidwa pakati pa zida kuti zitsimikizire kuti ndizolondola.
• Khodiyo imathandiza kuonetsetsa kuti zidazo ndi zolondola osati za munthu wina.
• Njira yolumikizira zida ingasiyane malinga ndi chipangizo chomwe mukugwiritsa ntchito. Mwachitsanzo, kulunzanitsa iPad ndi Bluetooth speaker kungaphatikizepo njira yosiyana kusiyana ndi kulumikiza foni yamakono ndi laputopu.

Malingaliro a Chitetezo

Ukadaulo wa Bluetooth ndiwotetezedwa bwino ndipo umalepheretsa kumvetsera mwachisawawa. Kusintha kwa ma frequency amawayilesi kumalepheretsa kupezeka kosavuta kwa data yomwe imafalitsidwa. Komabe, ukadaulo wa Bluetooth umapereka zoopsa zina zachitetezo, ndipo ndikofunikira kukumbukira chitetezo mukachigwiritsa ntchito. Nazi zina zokhuza chitetezo:

• Chepetsani zochita za Bluetooth pazida zamitundu ina ndikuchepetsa mitundu yazinthu zomwe ziloledwa.
• Chitani zinthu zomwe zili zololedwa ndikupewa zomwe siziloledwa.
• Dziwani za obera omwe angayesere kupeza mwayi wosaloledwa ku chipangizo chanu.
• Zimitsani Bluetooth pamene simukugwiritsidwa ntchito.
• Nthawi zonse gwiritsani ntchito mtundu waposachedwa kwambiri wa Bluetooth, womwe umapereka mawonekedwe owongolera a bandwidth ndi chitetezo.
• Dziwani kuopsa kwa kugwiritsa ntchito tethering, komwe kumakupatsani mwayi wogawana intaneti ya chipangizo chanu ndi zida zina.
• Zida zophatikizira pamalo opezeka anthu ambiri zitha kukhala pachiwopsezo ngati chida chosadziwika chikuwoneka pamndandanda wa zida zomwe zilipo.
• Ukadaulo wa Bluetooth utha kugwiritsidwa ntchito kupatsa mphamvu zida zanzeru monga Amazon Echo kapena Google Home, zomwe zimatha kunyamula komanso zopangidwa kuti zizigwiritsidwa ntchito popita, monga kugombe.

kusiyana

Bluetooth vs Rf

Chabwino anthu, sonkhanani mozungulira tikambirane za kusiyana kwa Bluetooth ndi RF. Tsopano, ndikudziwa zomwe mukuganiza, "Ndi chiyani izo?" Ndiloleni ndikuuzeni, onsewa ndi njira zolumikizira zida zanu zamagetsi popanda zingwe, koma ali ndi kusiyana kwakukulu.

Choyamba, tiyeni tikambirane za bandwidth. RF, kapena ma frequency a wailesi, ali ndi bandiwifi yotakata kuposa Bluetooth. Ganizirani ngati msewu waukulu, RF ili ngati msewu waukulu wa 10 pomwe Bluetooth ili ngati msewu wanjira imodzi. Izi zikutanthauza kuti RF imatha kuthana ndi zambiri nthawi imodzi, zomwe ndi zabwino pazinthu monga kutsitsa kanema kapena nyimbo.

Koma apa pali kugwira, RF imafuna mphamvu zambiri kuti igwire ntchito kuposa Bluetooth. Zili ngati kusiyana pakati pa Hummer ndi Prius. RF ndiye Hummer wonyezimira, pomwe Bluetooth ndi Prius yothandiza zachilengedwe. Bluetooth imafuna mphamvu zochepa kuti igwire ntchito, zomwe zikutanthauza kuti imatha kuphatikizidwa ndi zida zing'onozing'ono monga zomvera m'makutu kapena mawotchi anzeru.

Tsopano tiyeni tikambirane mmene amalumikizirana. RF imagwiritsa ntchito ma electromagnetic minda kufalitsa deta, pomwe Bluetooth imagwiritsa ntchito mafunde a wailesi. Zili ngati kusiyana pakati pa matsenga ndi wailesi. RF imafuna transmitter yodzipereka kuti igwire ntchito, pomwe Bluetooth imatha kulumikizana mwachindunji ndi chipangizo chanu.

Koma musawerengere RF pakali pano, ili ndi chinyengo. RF imatha kugwiritsa ntchito ukadaulo wa infrared (IR) kuti ilumikizane ndi zida, zomwe zikutanthauza kuti sizifunikira chopereka chodzipereka. Zili ngati kugwirana chanza chinsinsi pakati pa zipangizo.

Pomaliza, tiyeni tikambirane za kukula. Bluetooth ili ndi kachipu kakang'ono kuposa RF, kutanthauza kuti imatha kuphatikizidwa ndi zida zazing'ono. Zili ngati kusiyana pakati pa SUV chimphona ndi galimoto yaying'ono. Bluetooth itha kugwiritsidwa ntchito m'makutu ang'onoang'ono, pomwe RF ndi yoyenera pazida zazikulu ngati zokamba.

Ndiye muli nazo anthu, kusiyana pakati pa Bluetooth ndi RF. Ingokumbukirani, RF ili ngati Hummer, pomwe Bluetooth ili ngati Prius. Sankhani mwanzeru.

Kutsiliza

Chifukwa chake, Bluetooth ndi mulingo waukadaulo wopanda zingwe womwe umathandizira zida kuti zizilumikizana pakanthawi kochepa. 

Ndi yabwino kwa malo ochezera a pawekha, ndipo mutha kuzigwiritsa ntchito kuti moyo wanu ukhale wosavuta. Chifukwa chake musaope kufufuza zonse zomwe limapereka.

Ndine Joost Nusselder, woyambitsa Neaera komanso wotsatsa malonda, abambo, ndipo ndimakonda kuyesa zida zatsopano ndi gitala pamtima pa zomwe ndimakonda, ndipo pamodzi ndi gulu langa, ndakhala ndikupanga zolemba zakuya zamabulogu kuyambira 2020. kuthandiza owerenga okhulupirika ndi maupangiri ojambulira ndi gitala.

Ndiwonetseni pa Youtube komwe ndimayesera zida zonsezi:

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