{"id":4889,"date":"2021-10-18T15:36:06","date_gmt":"2021-10-18T15:36:06","guid":{"rendered":"https:\/\/www.5gworldpro.com\/?p=4889"},"modified":"2021-10-18T15:36:06","modified_gmt":"2021-10-18T15:36:06","slug":"general-principles-of-beam-management-in-mmwave","status":"publish","type":"post","link":"https:\/\/new.5gworldpro.com\/?p=4889","title":{"rendered":"General principles of beam management in mmwave"},"content":{"rendered":"<p>General principles of beam management are in mmwave are as follow :<\/p>\n<p><b>P1: <\/b><b>Beam Establishment <\/b><b>(initial <\/b><b>gNB<\/b><b> beam acquisition<\/b><b>)<\/b><\/p>\n<p>Beam sweeping is used to cover a given area (e.g. 120\u00b0 span)<\/p>\n<ul>\n<li>On gNB side wide beam sweeping is used, UE detects best beam<\/li>\n<li>In this procedure wide beams are used both on gNB and UE sides<\/li>\n<\/ul>\n<p><b>\u00a0<\/b><b>P2: <\/b><b>gNB<\/b><b> beam refinement &amp; tracking (<\/b><b>gNB<\/b> <b>Tx<\/b><b>) <\/b><\/p>\n<ul>\n<li>gNB refines beam (e.g, sweeping narrower beams within a wide beam)<\/li>\n<li>\u00a0UE switch from wide to narrow beam or change of narrow beam<\/li>\n<\/ul>\n<p><b>\u00a0<\/b><b>P3: <\/b><b>UE beam refinement &amp; <\/b><b>tracking (UE Rx)<\/b><\/p>\n<ul>\n<li>gNB fixes a beam, UE measures currently used gNB beam and selects a narrower receiver beam<\/li>\n<li>Wide beam can be used as initial access and fall-back in case of loss of narrow beam<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>General principles of beam management are in mmwave are as follow : P1: Beam Establishment (initial gNB beam acquisition) Beam sweeping is used to cover a given area (e.g. 120\u00b0 span) On gNB side wide beam sweeping is used, UE detects best beam In this procedure wide beams are used both on gNB and UE [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4890,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[466,467],"class_list":["post-4889","post","type-post","status-publish","format-standard","has-post-thumbnail","category-5g-knowledge","tag-beammanagement","tag-beamsweeping"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - 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