{"id":1974,"date":"2023-08-15T18:49:44","date_gmt":"2023-08-15T18:49:44","guid":{"rendered":"https:\/\/www.xadv.eu\/?p=1974"},"modified":"2024-04-30T18:24:03","modified_gmt":"2024-04-30T18:24:03","slug":"o-ran-interfeszek","status":"publish","type":"post","link":"https:\/\/www.xadv.eu\/hu\/2023\/08\/15\/o-ran-interfeszek\/","title":{"rendered":"O-RAN Interf\u00e9szek"},"content":{"rendered":"<p>Mivel a Open RAN t\u00f6bb \u00faj funkcionalit\u00e1ssal rendelkezik, mint a hagyom\u00e1nyos RAN, \u00edgy t\u00f6bb interf\u00e9sz is tal\u00e1lhat\u00f3 az open RAN architekt\u00far\u00e1ba. Az open RAN-ban a kor\u00e1bbi hagyom\u00e1nyos 3GPP interf\u00e9szek mellett \u00fajak ker\u00fcltek defini\u00e1l\u00e1sra az O-RAN alliance \u00e1ltal. Ilyen interf\u00e9szek az A1, E2, O1, O2 R1 F1 \u00e9s a nyitott Fronthaul interf\u00e9sz (eCPRI). Ezek a nyitott interf\u00e9szek lehet\u0151v\u00e9 teszik a t\u00f6bb gy\u00e1rt\u00f3 \u00e9s fejleszt\u0151 eszk\u00f6zei k\u00f6z\u00f6tti kommunik\u00e1ci\u00f3t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>A1 Intef\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az A1 interf\u00e9sz a non-RT RIC \u00e9s a near-RT RIC k\u00f6z\u00f6tt helyezkedik el. Az A1 interf\u00e9sz lehet\u0151v\u00e9 teszi a non-RT RIC sz\u00e1m\u00e1ra, hogy policy-alap\u00fa \u00fatmutat\u00e1st, ML modellkezel\u00e9si \u00e9s enrichment inform\u00e1ci\u00f3kat k\u00fcldj\u00f6n a near-RT RIC-nek a RAN performance optimaliz\u00e1l\u00e1sa \u00e9rdek\u00e9ben. Az A1 interf\u00e9sz egy\u00fattal lehet\u0151v\u00e9 teszi a nearRT RIC sz\u00e1m\u00e1ra visszajelz\u00e9st adjon a non-RT RIC fel\u00e9, \u00edgy a non-RT RIC figyelemmel k\u00eds\u00e9rheti az \u00e1ltala k\u00fcld\u00f6tt policy-k eredm\u00e1nyeit.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"334\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26-1024x334.png\" alt=\"\" class=\"wp-image-1977\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26-1024x334.png 1024w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26-300x98.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26-768x251.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26-18x6.png 18w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-26.png 1038w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>1.\u00c1bra. A1 Interface<\/strong><\/p>\n\n\n\n<p>Az A1 interf\u00e9szen a policy \u00e9s enrichment inform\u00e1ci\u00f3 JSON form\u00e1tumban ker\u00fcl k\u00fcld\u00e9sre, amely HTTP-S\/TCP\/IP-csomagokba van foglalva. Az \u00e1bra az A1-en kereszt\u00fcl ny\u00fajthat\u00f3 szolg\u00e1ltat\u00e1sokat is \u00f6sszefoglalja:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>A1 policy management<\/li>\n\n\n\n<li>A1 AI\/ML Modell management<\/li>\n\n\n\n<li>A1 enrichment inform\u00e1ci\u00f3<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>O1 interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az O1 interf\u00e9sz az SMO \u00e9s a RAN \u00e1ltal kezelt elemek k\u00f6z\u00f6tti kapcsolatok\u00e9rt felel, mint p\u00e9ld\u00e1ul a near-RT RIC, O-CU-UP, O-CU-CP, O-DU vagy az O-eNB. A fel\u00fcgyeleti \u00e9s koordin\u00e1l\u00e1si funkci\u00f3k az SMO-t\u00f3l a RAN \u00e1ltal kezelt elemek fel\u00e9 az O1 interf\u00e9szen kereszt\u00fcl ker\u00fclnek elk\u00fcld\u00e9sre, az SMO pedig az O1 interf\u00e9szen kereszt\u00fcl adatokat fogad a RAN \u00e1ltal kezelt elemekt\u0151l az AI\/ML modellek betan\u00edt\u00e1sa c\u00e9lj\u00e1b\u00f3l.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"908\" height=\"316\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-25.png\" alt=\"\" class=\"wp-image-1976\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-25.png 908w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-25-300x104.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-25-768x267.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-25-18x6.png 18w\" sizes=\"(max-width: 908px) 100vw, 908px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>2.\u00c1bra. O1 Interface<\/strong><\/p>\n\n\n\n<p>Az O1 interf\u00e9sz \u00e9s Management Services a k\u00f6vetkez\u0151 hasznos payload inform\u00e1ci\u00f3kat hordozza, amelyek HTTPS\/TCP\/IP csomagokba van be\u00e1gyazva:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>Hiba \u00e9s &#8220;Heartbeat&#8221; management<\/li>\n\n\n\n<li>RAN performance \u00e9s KPI management<\/li>\n\n\n\n<li>Startup \u00e9s h\u00e1l\u00f3zat configur\u00e1l\u00e1si komponensek<\/li>\n\n\n\n<li>SW \u00e9s file management<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>O2 Interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az O2 szabv\u00e1nyos interf\u00e9sz a Service Management and Orchestration (SMO) Framework \u00e9s az Infrastructure Management Framework (O-Cloud) k\u00f6z\u00f6tt, amely t\u00e1mogatja az O-RAN virtu\u00e1lis h\u00e1l\u00f3zati funkci\u00f3kat \u00e9s a Cloud infrastrukt\u00fara er\u0151forr\u00e1sainak \u00e9s a telep\u00edt\u00e9si m\u0171veletek kezel\u00e9s\u00e9hez ad t\u00e1mogat\u00e1st. <\/p>\n\n\n\n<p>Az O2 interf\u00e9sz egy nyitott, logikai interf\u00e9sz az O-RAN architekt\u00far\u00e1n bel\u00fcl, amely biztons\u00e1gos kommunik\u00e1ci\u00f3t biztos\u00edt az SMO Framework \u00e9s az O-Cloud k\u00f6z\u00f6tt. Lehet\u0151v\u00e9 teszi az O-Cloud infrastrukt\u00far\u00e1k kezel\u00e9s\u00e9t \u00e9s az O-Cloudon fut\u00f3 O-RAN \u201efelh\u0151s\u00edtett\u201d (cloudified) NF-ek telep\u00edt\u00e9si \u00e9letciklus\u00e1nak kezel\u00e9s\u00e9t (lifecicle management). Az O2 interf\u00e9sz olyan b\u0151v\u00edthet\u0151 m\u00f3don van defini\u00e1lva, amely lehet\u0151v\u00e9 teszi \u00faj inform\u00e1ci\u00f3k vagy funkci\u00f3k hozz\u00e1ad\u00e1s\u00e1t an\u00e9lk\u00fcl, hogy sz\u00fcks\u00e9gszer\u0171en m\u00f3dos\u00edtani kellene a protokollt. Ez az interf\u00e9sz t\u00f6bb gy\u00e1rt\u00f3s k\u00f6rnyezetet tesz lehet\u0151v\u00e9, \u00e9s f\u00fcggetlen az SMO \u00e9s az O-Cloud konkr\u00e9t megval\u00f3s\u00edt\u00e1sait\u00f3l.<\/p>\n\n\n\n<p>  <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"811\" height=\"463\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-27.png\" alt=\"\" class=\"wp-image-1980\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-27.png 811w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-27-300x171.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-27-768x438.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-27-18x10.png 18w\" sizes=\"(max-width: 811px) 100vw, 811px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>3.\u00c1bra. O2 Interface<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>R1 Interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az SMO Frameworkben tal\u00e1lhat\u00f3 a non-RT RIC. A non-RT RIC-en bel\u00fcl tal\u00e1lhat\u00f3ak a modul\u00e1ris,  \u00e9rt\u00e9kn\u00f6velt szolg\u00e1ltat\u00e1st ny\u00faj\u00f3 rApp-ok. Ezeket az open source rApp-okat a ny\u00edlt alkalmaz\u00e1s programoz\u00e1si fel\u00fcleten (API) kereszt\u00fcl az R1 interf\u00e9sz haszn\u00e1lat\u00e1val \u00e9rheti el a non-RT RIC Framework.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"759\" height=\"448\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-28.png\" alt=\"\" class=\"wp-image-1981\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-28.png 759w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-28-300x177.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-28-18x12.png 18w\" sizes=\"(max-width: 759px) 100vw, 759px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>4.\u00c1bra. R1 Interface<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>E2 Interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az E2 interf\u00e9sz egy nyitott interf\u00e9sz a near-RT RIC \u00e9s az \u00fagynevezett E2 Node-ok, azaz DU-k, CU-k k\u00f6z\u00f6tt. Az E2 lehet\u0151v\u00e9 teszi, hogy a RIC vez\u00e9relje az E2 Node-ok m\u0171k\u00f6d\u00e9s\u00e9t \u00e9s funkci\u00f3it.<\/p>\n\n\n\n<p>Az E2 interf\u00e9sz lehet\u0151v\u00e9 teszi a RAN performance m\u00e9r\u00e9sek gy\u0171jt\u00e9s\u00e9t a near-RT RIC sz\u00e1m\u00e1ra, ak\u00e1r periodikusan, ak\u00e1r el\u0151re meghat\u00e1rozott trigger esem\u00e9nyek ut\u00e1n. Mind a vez\u00e9rl\u00e9si, mind az adatgy\u0171jt\u00e9si elj\u00e1r\u00e1sok kapcsol\u00f3dhatnak egy vagy t\u00f6bb cell\u00e1hoz, QoS oszt\u00e1lyhoz vagy meghat\u00e1rozott UE-hez.<\/p>\n\n\n\n<p>A fenti m\u0171veletek t\u00e1mogat\u00e1s\u00e1ra az O-RAN sz\u00e1mos egyedi azonos\u00edt\u00f3t haszn\u00e1l, ezek az azonos\u00edt\u00f3k a gNB, network slice \u00e9s QoS oszt\u00e1lyra vonatkoz\u00f3 3GPP specifik\u00e1ci\u00f3kon alapulnak. Az egyes UE-k tekintet\u00e9ben az O-RAN k\u00f6z\u00f6s felhaszn\u00e1l\u00f3i azonos\u00edt\u00f3t (azaz az UE-ID-t) aj\u00e1nl a specifik\u00e1ci\u00f3iban. Ez konzisztens \u00e9s egys\u00e9ges felhaszn\u00e1l\u00f3i identit\u00e1st biztos\u00edt az eg\u00e9sz rendszerben an\u00e9lk\u00fcl, hogy a felhaszn\u00e1l\u00f3ra vonatkoz\u00f3 \u00e9rz\u00e9keny inform\u00e1ci\u00f3kat fedne fel.<\/p>\n\n\n\n<p>Az E2 interf\u00e9sz karakterisztik\u00e1i:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>Az E2 interf\u00e9sz egy ny\u00edlt interf\u00e9sz a near-RT RIC \u00e9s a DU-k, CU-k k\u00f6z\u00f6tt.<\/li>\n\n\n\n<li>IP-n kereszt\u00fcli SCTP protokollon fut<\/li>\n\n\n\n<li>Az E2 interf\u00e9sz k\u00e9t protokollt t\u00e1mogat, az E2 Application Protocolt (E2AP) \u00e9s az E2 Service Model protokolt (E2SM).<\/li>\n\n\n\n<li>Az E2AP \u00fczenetek k\u00fcl\u00f6nb\u00f6z\u0151 E2 szolg\u00e1ltat\u00e1si modelleket \u00e1gyazhatnak be, amelyek a RAN-metrik\u00e1kkal \u00e9s a RAN-vez\u00e9rl\u00e9ssel kapcsolatos funkci\u00f3kat val\u00f3s\u00edtanak meg<\/li>\n\n\n\n<li>Az E2 szolg\u00e1ltat\u00e1smodell tartalmazza az E2 jelent\u00e9st, az E2 beilleszt\u00e9st, az E2 vez\u00e9rl\u00e9st \u00e9s az E2 policy-t<\/li>\n\n\n\n<li>Az E2 szolg\u00e1ltat\u00e1si modell h\u00e1rom alkalmaz\u00e1shoz haszn\u00e1lhat\u00f3 Kulcsteljes\u00edtm\u00e9ny-m\u00e1trix (KPM), H\u00e1l\u00f3zati interf\u00e9szek (NI) \u00e9s RAN Control (RC)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"892\" height=\"401\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-30.png\" alt=\"\" class=\"wp-image-1991\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-30.png 892w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-30-300x135.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-30-768x345.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-30-18x8.png 18w\" sizes=\"(max-width: 892px) 100vw, 892px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>5.\u00c1bra. E2 Interface<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>F1 Interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>Az F1 interf\u00e9sz a CU-funkci\u00f3t k\u00f6ti \u00f6ssze a DU-funkci\u00f3val a gNB CU-DU Split architekt\u00far\u00e1ban. Az F1 control plane (F 1-C) a jelz\u00e9st teszi lehet\u0151v\u00e9 a CU \u00e9s a DU k\u00f6z\u00f6tt, m\u00edg az F1 user plane (F 1-U) az alkalmaz\u00e1s adatok \u00e1tvitel\u00e9t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"895\" height=\"541\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-29.png\" alt=\"\" class=\"wp-image-1985\" style=\"width:500px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-29.png 895w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-29-300x181.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-29-768x464.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-29-18x12.png 18w\" sizes=\"(max-width: 895px) 100vw, 895px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>6.\u00c1bra. F1 Interface<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Az F1 interf\u00e9szt Midhaul interf\u00e9sznek is nevezik. Az F1 midhaul interf\u00e9sz karakterisztik\u00e1i:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>Az F1 interf\u00e9sz egy nyitott interf\u00e9sz, azaz a v\u00e9gpontok k\u00fcl\u00f6nb\u00f6z\u0151 gy\u00e1rt\u00f3kt\u00f3l sz\u00e1rmazhatnak.<\/li>\n\n\n\n<li>Az F1 \u00e1ltal\u00e1nos szempontjait \u00e9s elveit a 3GPP TS 38.470, az F1AP-t a 3GPP TS 38.473, az F1-U-t a 3GPP TS 38.425 tartalmazza.<\/li>\n\n\n\n<li>Az F1 interf\u00e9sz t\u00e1mogatja a jelz\u00e9si \u00e9s adatinform\u00e1ci\u00f3k cser\u00e9j\u00e9t a v\u00e9gpontok k\u00f6z\u00f6tt<\/li>\n\n\n\n<li>Logikai szempontb\u00f3l az F1 egy pont-pont interf\u00e9sz a v\u00e9gpontok k\u00f6z\u00f6tt, ami azt jelenti, hogy egy pont-pont logikai interf\u00e9sz megval\u00f3s\u00edthat\u00f3 m\u00e9g a v\u00e9gpontok k\u00f6z\u00f6tti k\u00f6zvetlen fizikai kapcsolat hi\u00e1ny\u00e1ban is.<\/li>\n\n\n\n<li>Az F1 interf\u00e9sz t\u00e1mogatja a vez\u00e9rl\u0151s\u00edk (control plane) \u00e9s a felhaszn\u00e1l\u00f3i s\u00edk (user plane) sz\u00e9tv\u00e1laszt\u00e1s\u00e1t<\/li>\n\n\n\n<li>Az F1 interf\u00e9sz lehet\u0151v\u00e9 teszi az UE-vel kapcsolatos inform\u00e1ci\u00f3k \u00e9s a nem UE-vel kapcsolatos inform\u00e1ci\u00f3k cser\u00e9j\u00e9t<\/li>\n\n\n\n<li>Egy gNB-CU \u00e9s egy sor gNB-DU egy logikai gNB csom\u00f3pontot alkot<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Open Fronthaul Interf\u00e9sz<\/strong><\/h4>\n\n\n\n<p>A nyitott Fronthaul interf\u00e9sz az O-DU \u00e9s az O-RU k\u00f6z\u00f6tt m\u0171k\u00f6dik \u00e9s t\u00f6bb funkci\u00f3t is egyesit.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1176\" height=\"1006\" src=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24.png\" alt=\"\" class=\"wp-image-1975\" style=\"width:400px;height:undefinedpx\" srcset=\"https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24.png 1176w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24-300x257.png 300w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24-1024x876.png 1024w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24-768x657.png 768w, https:\/\/www.xadv.eu\/wp-content\/uploads\/2023\/08\/image-24-14x12.png 14w\" sizes=\"(max-width: 1176px) 100vw, 1176px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\"><strong>7.\u00c1bra.<\/strong> <strong>O-RAN fronthaul interf\u00e9sz \u00e9s fornthaul planes. <\/strong><\/p>\n\n\n\n<p>   <\/p>\n\n\n\n<p>Az open Fronthaul interf\u00e9sz karakterisztik\u00e1i:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>Az open Fronthaul interf\u00e9sz lehet\u0151v\u00e9 teszi a PHY fizikai protokol r\u00e9teg funkci\u00f3inak 7-2-es feloszt\u00e1s\u00e1t a DU \u00e9s RU k\u00f6z\u00f6tt.<\/li>\n\n\n\n<li>A PHY-high \u00e9s a PHY-low protokolok r\u00e9tegek k\u00f6z\u00f6tti adat \u00e9s vez\u00e9rl\u00e9s a Control \u00e9s User-(CU-) Plane-en kereszt\u00fcl tov\u00e1bb\u00edthat\u00f3.<\/li>\n\n\n\n<li>Az S-plane biztos\u00edtja a szinkroniz\u00e1l\u00e1st, az M-plane pedig fel\u00fcgyeleti \u00e9s koordin\u00e1l\u00e1si funkci\u00f3kat.<\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Mivel a Open RAN t\u00f6bb \u00faj funkcionalit\u00e1ssal rendelkezik, mint a hagyom\u00e1nyos RAN, \u00edgy t\u00f6bb interf\u00e9sz is tal\u00e1lhat\u00f3 az open RAN architekt\u00far\u00e1ba. Az open RAN-ban a kor\u00e1bbi hagyom\u00e1nyos 3GPP interf\u00e9szek mellett \u00fajak ker\u00fcltek defini\u00e1l\u00e1sra az O-RAN alliance \u00e1ltal. Ilyen interf\u00e9szek az A1, E2, O1, O2 R1 F1 \u00e9s a nyitott Fronthaul interf\u00e9sz (eCPRI). Ezek a nyitott &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.xadv.eu\/hu\/2023\/08\/15\/o-ran-interfeszek\/\"> <span class=\"screen-reader-text\">O-RAN Interf\u00e9szek<\/span> Read More &raquo;<\/a><\/p>","protected":false},"author":1,"featured_media":1980,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[20],"tags":[64],"class_list":["post-1974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-open-ran","tag-open-ran-en"],"_links":{"self":[{"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/posts\/1974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/comments?post=1974"}],"version-history":[{"count":6,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/posts\/1974\/revisions"}],"predecessor-version":[{"id":2693,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/posts\/1974\/revisions\/2693"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/media\/1980"}],"wp:attachment":[{"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/media?parent=1974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/categories?post=1974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xadv.eu\/hu\/wp-json\/wp\/v2\/tags?post=1974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}