{"id":5089,"date":"2022-02-07T17:08:07","date_gmt":"2022-02-07T17:08:07","guid":{"rendered":"https:\/\/www.5gworldpro.com\/?p=5089"},"modified":"2022-02-07T17:08:07","modified_gmt":"2022-02-07T17:08:07","slug":"what-is-5g-nsa-and-how-it-is-working","status":"publish","type":"post","link":"https:\/\/new.5gworldpro.com\/?p=5089","title":{"rendered":"What is 5G NSA and how it is working ?"},"content":{"rendered":"<p>In EPC-based NSA networking, if a UE supports both LTE and New Radio (NR) non-Standalone(NSA), it can connects that to Dual connectivity (DC) to\u00a0 both an LTE eNodeb and NR gNodeb, and use resources provided by these base stations for data transmission.<\/p>\n<p>Data can be split between the two base stations. Dual connectivity can be implented using the aggregation of up to five component carriers (CCs) on the eNodeb side and the aggreagation of up to two CCs on the gNodeb side.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5091\" src=\"https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new1.png\" alt=\"\" width=\"261\" height=\"168\" srcset=\"https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new1.png 261w, https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new1-150x97.png 150w\" sizes=\"(max-width: 261px) 100vw, 261px\" \/><\/p>\n<p>The main option used in 5G NSA is the option 3x where the LTE eNodeb is the master eNodeb (MeNB) and the NR gNodeb is the secondary gNodeb (SgNB).<\/p>\n<p>The user plane data can be split by the eNodeb or gNodeb<\/p>\n<p>In Option 3x, the gNodeb is the data split anchor.<\/p>\n<ul>\n<li>The gNodeb distributes the user-plane data to the enNodeb and itself, and the bearer is called the secondary cell group (SCG) split bearer.<\/li>\n<li>The Data is split at the PDCP layer of the SgNB to the RLC layer of the MeNB and the RLC layer of the SgNB, and then aggregated at the PDCP layer of the UE Side<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-5090\" src=\"https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new2.png\" alt=\"\" width=\"243\" height=\"184\" srcset=\"https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new2.png 243w, https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new2-80x60.png 80w, https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2022\/02\/new2-150x114.png 150w\" sizes=\"(max-width: 243px) 100vw, 243px\" \/><\/p>\n<p><strong>What are MeNB, SgNB, MCG and SCG\u00a0?<\/strong><\/p>\n<ul>\n<li>MeNb<\/li>\n<\/ul>\n<p>The Master eNodeb (MeNb) of an NSA DC UE is the LTE eNodeb that serves the cell on which the UE is currently camping. In this version, only an LTE eNodeb can be configured as an Menb<\/p>\n<ul>\n<li>SgNB<\/li>\n<\/ul>\n<p>The secondary gNodeb (SgNB) of and NSA DC UE is the NR gNobde condigured for the UE Through an RRC message sent by MeNB. In this version, only an NR gNobde can be configured as an SgNB.<\/p>\n<ul>\n<li>MCG<\/li>\n<\/ul>\n<p>The master cell group (MCG) of an NSA DC UE is an LTE cell group configured on the LTE ide<\/p>\n<ul>\n<li>SCG<\/li>\n<\/ul>\n<p>The secondary cell group (SCG) of an NSA DC UE is the NR Cell group configured on the NR Side<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In EPC-based NSA networking, if a UE supports both LTE and New Radio (NR) non-Standalone(NSA), it can connects that to Dual connectivity (DC) to\u00a0 both an LTE eNodeb and NR gNodeb, and use resources provided by these base stations for data transmission. Data can be split between the two base stations. Dual connectivity can be [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4928,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[43,44,483],"class_list":{"0":"post-5089","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-5g-knowledge","8":"tag-5g-nsa","9":"tag-dual-connectivity","10":"tag-nsa"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is 5G NSA and how it is working ? - 5gworldpro.com<\/title>\n<meta name=\"description\" content=\"In EPC-based NSA networking, if a UE supports both LTE and New Radio (NR) non-Standalone(NSA), what is 5G NSA\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/new.5gworldpro.com\/?p=5089\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is 5G NSA and how it is working ?\" \/>\n<meta property=\"og:description\" content=\"In EPC-based NSA networking, if a UE supports both LTE and New Radio (NR) non-Standalone(NSA), what is 5G NSA\" \/>\n<meta property=\"og:url\" content=\"https:\/\/new.5gworldpro.com\/?p=5089\" \/>\n<meta property=\"og:site_name\" content=\"E-Commerce Revolution\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-07T17:08:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/new.5gworldpro.com\/wp-content\/uploads\/2021\/11\/1fe2afb788b289de0885905ab8f2ca08_w400_h200_cp.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/new.5gworldpro.com\/?p=5089\",\"url\":\"https:\/\/new.5gworldpro.com\/?p=5089\",\"name\":\"What is 5G NSA and how it is working ? 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