1、DECT NR+in the 3.8-4.2 GHz bandVAUGHAN JOHN:SPECTRUM POLICY AND STANDARDS MANAGERWhere did this work start?Many studies have highlighted a need for industry verticals to operate their own private broadband communications which may not be provided by public mobile networks wireless broadband low/medi
2、um networks(WBB LMP)EC recognised this requirement and issued a Mandate to CEPT to study“Technical Conditions Regarding the Shared Use of the 3.8-4.2 GHz Frequency Band for Terrestrial Wireless Broadband Systems Providing Local-Area Network Connectivity in the Union”The Mandate set two tasks to CEPT
3、:Study and assess the technical feasibility of the shared use of the 3.8-4.2 GHz frequency band by terrestrial wireless broadband systems providing local-area(i.e.low/medium power)network connectivity.Subject to the sharing solutions and the results of Task 1,as appropriate,develop a harmonised freq
4、uency arrangement as well as the least restrictive harmonised technical conditions for the shared use of the 3.8-4.2 GHz frequency band by terrestrial wireless broadband systems providing local-area connectivity.Several countries have made the band available for WBB LMP2How has CEPT addressed the Ma
5、ndate?3How has CEPT addressed the Mandate?4Task 1Coexistence studies in 3.8-4.2 GHzCoexistence studies with RadAlts above 4.2 GHzTask 2FM60:harmonised technical conditions and response to the EC Mandate DECT Forum engagement Coexistence studies 3.8-4.2 GHz:21 meetings;8 input contributions;NR+coexis
6、tence studies(by Transfinite)RadAlt:4 meetings;1 input contribution on NR+and RadAlt coexistence PT1:5 meetings;4 input contributions Regulatory FM60:12 meetings;7 input contributions WG FM:2 meetings;1 input contribution ECC:3 meetings;1 input contribution5Example issues addressed during discussion