{"id":52137,"date":"2019-11-01T00:00:00","date_gmt":"2019-10-31T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/nb-iot-kak-on-rabotaet-chast-2"},"modified":"2020-02-18T13:59:48","modified_gmt":"2020-02-18T10:59:48","slug":"nb-iot-kak-on-rabotaet-chast-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/nb-iot-kak-on-rabotaet-chast-2","title":{"rendered":"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><b>Iepriek\u0161\u0113j\u0101 reiz\u0113 m\u0113s run\u0101j\u0101m par jaun\u0101 NB-IoT standarta iez\u012bm\u0113m attiec\u012bb\u0101 uz radio piek\u013cuves t\u012bkla arhitekt\u016bru. \u0160odien apspried\u012bsim, kas ir main\u012bjies kodolt\u012bkl\u0101 (Core Network) NB-IoT ietvaros. S\u0101ksim.<br \/>\n<\/b><\/p>\n<p><img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/ef0e9fab23936e8ba104f65a7440a487.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKodolt\u012bkl\u0101 ir notiku\u0161as b\u016btiskas izmai\u0146as. S\u0101ksim ar to, ka ir par\u0101d\u012bjies jauns elements, k\u0101 ar\u012b virkni meh\u0101nismu, kurus standarts defin\u0113jis k\u0101 \u201cCIoT EPS Optimization\u201d jeb optimiz\u0101cijas meh\u0101nismus \u0161\u016bnu interneta liet\u0101m. <\/p>\n<p>K\u0101 zin\u0101ms, mobilaj\u0101s t\u012bklos past\u0101v divi galvenie komunik\u0101cijas kan\u0101li, kurus sauc par Control Plane (CP) un User Plane (UP). Control Plane ir paredz\u0113ts apmain\u012bties ar pakalpojuma zi\u0146ojumiem starp da\u017e\u0101diem t\u012bkla elementiem un nodro\u0161ina mobilit\u0101tes (Mobility management) p\u0101rvald\u012bbu ier\u012bc\u0113m (UE) un datu p\u0101rs\u016bt\u012b\u0161anas sesiju izveidi\/uztur\u0113\u0161anu (Session Management). User Plane ir tie\u0161i lietot\u0101ju trafika p\u0101rs\u016bt\u012b\u0161anas kan\u0101ls. Klasiski LTE CP un UP sadal\u012bjums pa saskarn\u0113m izskat\u0101s \u0161\u0101di:<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/b252f5ac8a9b744f82d3f81cd659de8f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCP un UP optimiz\u0101cijas meh\u0101nismi NB-IoT tiek \u012bstenoti MME, SGW un PGW mezglos, kas nosac\u012bti apvienoti vien\u0101 element\u0101, ko sauc par C-SGN (Cellular IoT Serving Gateway Node). Standarts ar\u012b paredz jauna t\u012bkla elementa \u2014 SCEF (Service Capability Exposure Function) par\u0101d\u012b\u0161anos. Saskarne starp MME un SCEF tiek saukta par T6a un ir \u012bstenota, balstoties uz DIAMETER protokolu. Neskatoties uz to, ka DIAMETER ir sign\u0101liz\u0113\u0161anas protokols, NB-IoT tas ir piel\u0101gots, lai p\u0101rs\u016bt\u012btu mazos non-IP datu apjomus.<\/p>\n<p><img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/5f2b191d925485b5c841018bda52d9b5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSaska\u0146\u0101 ar nosaukumu SCEF ir pakalpojumu iesp\u0113ju ekspoz\u012bcijas mezgls. Citiem v\u0101rdiem sakot, SCEF sl\u0113pj operatora t\u012bkla sare\u017e\u0123\u012bt\u012bbu un atvieglo lietot\u0146u izstr\u0101d\u0101t\u0101jiem mobilo ier\u012b\u010du (UE) identifik\u0101ciju un autentifik\u0101ciju, nodro\u0161inot iesp\u0113ju lietot\u0146u serveriem (Application Server, turpm\u0101k AS) ieg\u016bt datus un p\u0101rvald\u012bt ier\u012bces, izmantojot vienotu API saskarni. <\/p>\n<p>UE identifikators vairs nav telefona numurs (MSISDN) vai IP adrese, k\u0101 tas bija klasiskajos 2G\/3G\/LTE t\u012bklos, bet gan t\u0101 sauktais \u201cexternal ID\u201d, kas noteikts standart\u0101 parastaj\u0101 izstr\u0101d\u0101t\u0101jiem saprotam\u0101 form\u0101t\u0101 \u201c@\u201d. Tas ir aparte, liela t\u0113ma, kas peln\u012bjusi atsevi\u0161\u0137u materi\u0101lu, t\u0101d\u0113\u013c tagad par to s\u012bk\u0101k nerun\u0101sim. <\/p>\n<p>Tagad apskat\u012bsim noz\u012bm\u012bg\u0101k\u0101s inov\u0101cijas. \u00abCIoT EPS Optimization\u00bb ir meh\u0101nismu optimiz\u0101cija datu pl\u016bsmu p\u0101rraidei un abonentu sesiju p\u0101rvald\u012bbai. \u0160eit ir galvenie no tiem:<\/p>\n<ul>\n<li>DoNAS <\/li>\n<li>NIDD <\/li>\n<li>Ener\u0123ijas taup\u012b\u0161anas meh\u0101nismi PSM un eDRX<\/li>\n<li>HLCOM<\/li>\n<\/ul>\n<p>\n<b>DoNAS (Dati p\u0101r NAS):<\/b><\/p>\n<p>Tas ir meh\u0101nisms, kas izstr\u0101d\u0101ts, lai optimiz\u0113tu nelielu datu apjomu p\u0101rraidi. <\/p>\n<p>Klasiskaj\u0101 LTE abonenta ier\u012bce re\u0123istr\u0113joties t\u012bkl\u0101 izveido PDN savienojumu (turpm\u0101k PDN) caur eNodeB uz MME-SGW-PGW. Savienojums UE-eNodeB-MME ir t\u0101 sauktais \u201cSignaling Radio Bearer\u201d (SRB). Ja ir nepiecie\u0161ams nos\u016bt\u012bt \/ sa\u0146emt datus, UE izveido v\u0113l vienu savienojumu ar eNodeB \u2014 \u201cData Radio Bearer\u201d (DRB), lai p\u0101rraid\u012btu lietot\u0101ja datpl\u016bsmu uz SGW un t\u0101l\u0101k uz PGW (S1-U un S5 saskarnes attiec\u012bgi). P\u0113c datu apmai\u0146as un, ja nav datpl\u016bsmas noteiktu laiku (parasti 5-20 sekundes), \u0161ie savienojumi tiek p\u0101rtraukti, un ier\u012bce p\u0101riet gaid\u012b\u0161anas re\u017e\u012bm\u0101 vai \u201cIdle Mode\u201d. Ja ir nepiecie\u0161ama jaunu datu apmai\u0146a, SRB un DRB tiek atk\u0101rtoti izveidoti.<\/p>\n<p>NB-IoT gad\u012bjum\u0101 lietot\u0101ja datpl\u016bsma var tikt p\u0101rraid\u012bta caur sign\u0101la kan\u0101lu (SRB), protokola NAS zi\u0146ojumos (<noindex><a rel=\"nofollow\" href=\"http:\/\/www.3gpp.org\/more\/96-nas\">http:\/\/www.3gpp.org\/more\/96-nas<\/a><\/noindex>). DRB izveide vairs nav nepiecie\u0161ama. Tas b\u016btiski samazina sign\u0101la slodzi, ietaupa t\u012bkla radioresursus un, pats galvenais, pagarina ier\u012bces baterijas m\u016b\u017eu. <\/p>\n<p>Nodevum\u0101 eNodeB \u2014 MME lietot\u0101ja dati s\u0101k tikt p\u0101rraid\u012bti caur S1-MME saskarni, kas nebija klasiskaj\u0101 LTE tehnolo\u0123ij\u0101, un tam tiek izmantots NAS protokols, kur\u0101 par\u0101d\u0101s \u201cUser data container\u201d.<\/p>\n<p><img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/aa2ea680deac42cca298036d7e1fbb30.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLai nodro\u0161in\u0101tu \u201cUser Plane\u201d datu p\u0101rraidi no MME uz SGW, par\u0101d\u0101s jauna S11-U saskarne, kas paredz\u0113ta, lai p\u0101rraid\u012btu nelielus lietot\u0101ja datu apjomus. S11-U protokola pamats ir GTP-U v1, ko izmanto lietot\u0101ja plakni p\u0101rraid\u0113 ar\u012b cit\u0101s 3GPP arhitekt\u016bras t\u012bkla saskarn\u0113s.<br \/>\n<img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/0a295d230c8f0c1858c7eaf278ea472a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>NIDD (non-IP datu pieg\u0101de):<\/b><\/p>\n<p>P\u0113c tam, kad meh\u0101nismi mazu datu apjomu p\u0101rraidei tiek t\u0101l\u0101k optimiz\u0113ti, papildus jau eso\u0161ajiem PDN veidiem, piem\u0113ram, IPv4, IPv6 un IPv4v6, ir par\u0101d\u012bjies v\u0113l viens veids \u2014 non-IP. \u0160aj\u0101 gad\u012bjum\u0101 UE netiek pie\u0161\u0137irts IP adrese, un dati tiek p\u0101rraid\u012bti bez IP protokola izmanto\u0161anas. Tam ir vair\u0101ki iemesli:<\/p>\n<ol>\n<li>IoT ier\u012bces, piem\u0113ram, sensori, sp\u0113j p\u0101rs\u016bt\u012bt \u013coti mazas datu apjoma, 20 baitus un pat maz\u0101k. \u0145emot v\u0113r\u0101, ka minim\u0101lais IP virsraksta izm\u0113rs ir 20 baitus, iesai\u0146o\u0161ana IP da\u017ereiz var b\u016bt pietiekami d\u0101rga apg\u0101d\u012bba;<\/li>\n<li>Nav nepiecie\u0161ama IP steka realiz\u0101cija mikrosh\u0113m\u0101, kas noved pie to cenu samazin\u0101\u0161an\u0101s (diskusijai koment\u0101ros).<\/li>\n<\/ol>\n<p>\nPla\u0161\u0101ka noz\u012bm\u0113, IP adrese ir nepiecie\u0161ama IoT ier\u012bc\u0113m, lai p\u0101rs\u016bt\u012btu datus caur internetu. NB-IoT koncept\u0101 SCEF darbojas k\u0101 vienota piesl\u0113g\u0161an\u0101s vieta AS, un datu apmai\u0146a starp ier\u012bc\u0113m un lietojumprogrammu serveriem notiek, izmantojot API. Bez SCEF non-IP dati uz AS var tikt p\u0101rs\u016bt\u012bti caur Point-to-Point (PtP) tuneli no PGW un iesai\u0146o\u0161ana IP tiks veikta jau taj\u0101.<\/p>\n<p>Viss tas ietilpst NB-IoT paradigmas koncepcij\u0101 \u2014 maksim\u0101la ier\u012b\u010du vienk\u0101r\u0161o\u0161ana un l\u0113t\u0101ka izstr\u0101de.<\/p>\n<p><b>Energoefektivit\u0101tes meh\u0101nismi PSM un eDRX:<\/b><\/p>\n<p>Viens no galvenajiem LPWAN t\u012bklu priek\u0161roc\u012bb\u0101m ir energoefektivit\u0101te. Apgalvo, ka ier\u012bce sp\u0113j darboties l\u012bdz 10 gadiem ar vienu akumulatoru. Apskat\u012bsim, k\u0101 tiek sasniegti \u0161\u0101di rezult\u0101ti. <\/p>\n<p>Kad ier\u012bce pat\u0113r\u0113 vismaz\u0101k ener\u0123ijas? Pareizi, kad t\u0101 ir izsl\u0113gta. Un, ja piln\u012bb\u0101 izsl\u0113gt ier\u012bci nav iesp\u0113jams, \u013caujiet izsl\u0113gt radio moduli laika posm\u0101, kam\u0113r tas nav nepiecie\u0161ams. Tom\u0113r pirms tam tas j\u0101koordin\u0113 ar t\u012bklu.<\/p>\n<p> <b>PSM (Energo taup\u012bbas re\u017e\u012bms):<\/b><\/p>\n<p>Energo taup\u012bbas re\u017e\u012bms PSM \u013cauj ier\u012bcei ilgu laiku izsl\u0113gt radio moduli, paliekot re\u0123istr\u0113tai t\u012bkl\u0101, un nep\u0101rliekot PDN katru reizi, kad ir nepiecie\u0161ams nos\u016bt\u012bt datus. <\/p>\n<p>Lai t\u012bkls zin\u0101tu, ka ier\u012bce joproj\u0101m ir pieejama, t\u0101 periodiski uzs\u0101k aktu\u0101liz\u0101cijas proced\u016bru \u2014 Tracking Area Update (TAU). \u0160\u012bs proced\u016bras bie\u017eumu nosaka t\u012bkls, izmantojot taimeri T3412, kuras v\u0113rt\u012bba tiek p\u0101rs\u016bt\u012bta ier\u012bcei proced\u016bras laik\u0101, kad t\u0101 piesl\u0113dzas vai veic k\u0101rt\u0113jo TAU. Klasiskaj\u0101 LTE noklus\u0113juma v\u0113rt\u012bba \u0161im taimerim ir 54 min\u016btes, bet maksim\u0101l\u0101 \u2014 186 min\u016btes. Tom\u0113r, lai nodro\u0161in\u0101tu augstu energoefektivit\u0101ti, priek\u0161laic\u012bga izeja gais\u0101 ik p\u0113c 186 min\u016bt\u0113m ir p\u0101r\u0101k d\u0101rga apg\u0101d\u012bba. Lai atrisin\u0101tu \u0161o probl\u0113mu, tika izstr\u0101d\u0101ts PSM meh\u0101nisms.<\/p>\n<p>Apar\u0101ts aktiviz\u0113 PSM re\u017e\u012bmu, nos\u016btot zi\u0146ojumos \u00abAttach Request\u00bb vai \u00abTracking Area Request\u00bb divu taimeru T3324 un T3412-Extended v\u0113rt\u012bbas. Pirmais nosaka laiku, kur\u0101 apar\u0101ts b\u016bs pieejams p\u0113c p\u0101rejas uz \u00abIdle Mode\u00bb. Otrais ir laiks, p\u0113c kura j\u0101veic TAU, un tagad t\u0101 v\u0113rt\u012bba var sasniegt 35712000 sekundes jeb 413 dienas. Atkar\u012bb\u0101 no iestat\u012bjumiem MME var pie\u0146emt taimeru v\u0113rt\u012bbas, ko sa\u0146em no apar\u0101ta, vai main\u012bt t\u0101s, nos\u016btot jaunas v\u0113rt\u012bbas zi\u0146ojumos \u00abAttach Accept\u00bb vai \u00abTracking Area Update Accept\u00bb. Tagad apar\u0101ts var neiesl\u0113gt radio moduli 413 dienas un taj\u0101 pa\u0161\u0101 laik\u0101 palikt re\u0123istr\u0113tam t\u012bkl\u0101. Rezult\u0101t\u0101 m\u0113s ieg\u016bstam milz\u012bgu t\u012bkla resursu ekonomiju un ier\u012b\u010du energoefektivit\u0101ti!<\/p>\n<p><img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/2ac7fdc892c8b569b5b19a33472c6045.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTom\u0113r \u0161aj\u0101 re\u017e\u012bm\u0101 apar\u0101ts nav pieejams tikai ien\u0101ko\u0161aj\u0101m komunik\u0101cij\u0101m. Ja nepiecie\u0161ams nos\u016bt\u012bt kaut ko uz lietojumprogrammu serveri, apar\u0101ts var jebkur\u0101 br\u012bd\u012b iziet no PSM un nos\u016bt\u012bt datus, paliekot p\u0113c tam akt\u012bvs laika taimer\u0101 T3324, lai sa\u0146emtu inform\u0101cijas zi\u0146ojumus no AS (ja t\u0101di b\u016bs).<\/p>\n<p><b>eDRX (papla\u0161in\u0101ta p\u0101rtraukta uztver\u0161ana):<\/b><\/p>\n<p>eDRX, papla\u0161in\u0101tais p\u0101rtraukta uztver\u0161anas re\u017e\u012bms. Lai nos\u016bt\u012btu datus uz apar\u0101tu, kas atrodas \u00abIdle mode\u00bb, t\u012bkls veic pazi\u0146o\u0161anas proced\u016bru \u2014 \u00abPaging\u00bb. Sa\u0146emot pazi\u0146ojumu, apar\u0101ts inici\u0113 SRB izveidi turpm\u0101kai komunik\u0101cijai ar t\u012bklu. Bet, lai nepalaistu gar\u0101m adres\u0113t\u0101 pazi\u0146ojuma Paging, aparat\u016brai past\u0101v\u012bgi j\u0101uzrauga radio \u0113teris, kas ar\u012b ir diezgan energoietilp\u012bgi. <\/p>\n<p>eDRX ir re\u017e\u012bms, kad apar\u0101ts sa\u0146em zi\u0146ojumus no t\u012bkla nepast\u0101v\u012bgi, bet periodiski. Piek\u013cuves vai TAU proced\u016bru laik\u0101 apar\u0101ts saska\u0146o ar t\u012bklu laika interv\u0101lus, kuros tas klaus\u012bsies \u0113ter\u012b. Attiec\u012bgi \u0161ajos interv\u0101los notiks ar\u012b pazi\u0146o\u0161anas proced\u016bra. eDRX re\u017e\u012bm\u0101 apar\u0101ta darb\u012bba tiek sadal\u012bta ciklos (eDRX cycle). Katrs cikls s\u0101kas ar t\u0101 saukto \u00abpazi\u0146o\u0161anas logu\u00bb (Paging Time Window, turpm\u0101k PTW) \u2014 tas ir laiks, kad apar\u0101ts klaus\u0101s radio kan\u0101lu. P\u0113c PTW beig\u0101m apar\u0101ts izsl\u0113dz radio moduli l\u012bdz cikla beig\u0101m.<br \/>\n<img decoding=\"async\" alt=\"NB-IoT: k\u0101 tas darbojas? Otr\u0101 da\u013ca\" src=\"\/wp-content\/uploads\/2019\/11\/924110cbe84765d11efec28238de3dd1.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b>HLCOM (augstas latentuma komunik\u0101cija):<\/b><\/p>\n<p>Ja nepiecie\u0161ams nodot datus Uplink, ier\u012bce var iziet no jebkura no \u0161iem diviem ener\u0123ijas taup\u012b\u0161anas re\u017e\u012bmiem, negaidot PSM vai eDRX cikla beig\u0101s. Tom\u0113r datus uz ier\u012bci var nodot tikai tad, kad t\u0101 ir akt\u012bva.<\/p>\n<p>Funkcionalit\u0101te HLCOM vai komunik\u0101cija ar augstiem kav\u0113jumiem ir Downlink paketu buferiz\u0113\u0161ana SGW, kam\u0113r ier\u012bce atrodas ener\u0123ijas taup\u012b\u0161anas re\u017e\u012bm\u0101 un nav pieejama komunik\u0101cijai. Buferiz\u0113tie paketi tiks pieg\u0101d\u0101ti, tikl\u012bdz ier\u012bce izies no PSM, veiks TAU vai nodos Uplink trafiku, vai kad iest\u0101sies PTW.<\/p>\n<p>Tas noteikti prasa IoT produktu izstr\u0101d\u0101t\u0101ju apzin\u0101\u0161anos, jo komunik\u0101cija ar ier\u012bci nav re\u0101l\u0101 laik\u0101 un prasa noteiktu pieeju biznesa lo\u0123ikas veido\u0161anai aplik\u0101cij\u0101s.<\/p>\n<p>Nosl\u0113gum\u0101 sak\u0101m: jaun\u0101 ievie\u0161ana vienm\u0113r ir aizraujo\u0161a, un \u0161obr\u012bd m\u0113s saskaramies ar standartu, kas pat nav piln\u012bb\u0101 p\u0101rbaud\u012bts pat pie pasaules \"l\u012bdzzin\u0101t\u0101jiem\", piem\u0113ram, Vodafone un Telefonica \u2013 t\u0101d\u0113\u013c tas ir divk\u0101rt aizraujo\u0161i. M\u016bsu materi\u0101la pasnieg\u0161ana nepretend\u0113 uz absol\u016btu piln\u012bbu, ta\u010du ceram, ka t\u0101 nodro\u0161ina pietiekamu izpratni par tehnolo\u0123iju. B\u016bsim pateic\u012bgi par atsauksm\u0113m.<\/p>\n<p><i>Autors: Eksperts konver\u0123ento risin\u0101jumu un multimediju pakalpojumu noda\u013c\u0101 Aleksejs Lap\u0161ins <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/users\/aslapsh\/\" class=\"user_link\">aslapsh<\/a><\/noindex><\/i><br \/>\n<br \/>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ru_mts\/blog\/431648\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u043e\u0448\u043b\u044b\u0439 \u0440\u0430\u0437 \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438 \u043e\u0431 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u0445 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 NB-IoT \u0441 \u0442\u043e\u0447\u043a\u0438 \u0437\u0440\u0435\u043d\u0438\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0441\u0435\u0442\u0438 \u0440\u0430\u0434\u0438\u043e\u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043f\u043e\u0440\u0430\u0441\u0441\u0443\u0436\u0434\u0430\u0435\u043c, \u0447\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u043e\u0441\u044c \u0432 \u044f\u0434\u0440\u0435 \u0441\u0435\u0442\u0438 (Core Network) \u043f\u0440\u0438 NB-IoT. \u0418\u0442\u0430\u043a, \u043f\u043e\u0435\u0445\u0430\u043b\u0438. \u0412 \u044f\u0434\u0440\u0435 \u0441\u0435\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0438 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f. \u041d\u0430\u0447\u043d\u0435\u043c \u0441 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043f\u043e\u044f\u0432\u0438\u043b\u0441\u044f \u043d\u043e\u0432\u044b\u0439 \u044d\u043b\u0435\u043c\u0435\u043d\u0442, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0440\u044f\u0434 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u044b \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u043c \u043a\u0430\u043a \u201cCIoT EPS Optimization\u201d \u0438\u043b\u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-52137","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0448\u043b\u044b\u0439 \u0440\u0430\u0437 \u043c\u044b \u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438 \u043e\u0431 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u0445 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 NB-IoT \u0441 \u0442\u043e\u0447\u043a\u0438 \u0437\u0440\u0435\u043d\u0438\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0441\u0435\u0442\u0438 \u0440\u0430\u0434\u0438\u043e\u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043f\u043e\u0440\u0430\u0441\u0441\u0443\u0436\u0434\u0430\u0435\u043c, \u0447\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u043e\u0441\u044c \u0432 \u044f\u0434\u0440\u0435 \u0441\u0435\u0442\u0438 (Core Network) \u043f\u0440\u0438 NB-IoT.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/lv\/blog\/administrirovanie\/nb-iot-kak-on-rabotaet-chast-2\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"lv_LV\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47NB-IoT: \u043a\u0430\u043a \u043e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442? 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