ETSI TR 121 900 PDF

Published Date: 11/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Technical Specification Group working methods (3GPP TR 21.900 version 16.3.0 Release 16)

Published Date: 04/01/2019

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 15.2.0 Release 15)

Published Date: 09/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 14.2.0 Release 14)

Published Date: 07/01/2017

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 13.2.0 Release 13)

Published Date: 05/01/2017

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 14.0.0 Release 14)

Published Date: 01/01/2012

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 10.1.0 Release 10)

Published Date: 06/01/2011

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 9.1.0 Release 9)

Published Date: 04/01/2010

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Technical Specification Group working methods (3GPP TR 21.900 version 8.4.0 Release 8)

Published Date: 10/01/2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 7.3.0 Release 7)

Published Date: 12/01/2004

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 6.4.0 Release 6)

Published Date: 12/01/2003

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 5.1.0 Release 5)

Published Date: 12/01/2003

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 4.1.0 Release 4)

Published Date: 12/01/2003

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 3.7.0 Release 1999)

Published Date: 03/01/2001

Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 4.0.0 Release 4)

Published Date: 03/01/2001

Universal Mobile Telecommunications System (UMTS); Technical Specification Group working methods (3GPP TR 21.900 version 3.6.0 Release 1999)

Published Date: 12/01/2000

Universal Mobile Telecommunications System (UMTS); Working methods (3GPP TR 21.900 version 3.5.0 Release 1999)

Published Date: 09/01/2000

Universal Mobile Telecommunications System (UMTS); Working Methods (3GPP TR 21.900 version 3.4.0 Release 1999)

Published Date: 06/01/2000

Universal Mobile Telecommunications System (UMTS); Working methods (3G TR 21.900 version 3.3.0 Release 1999)

Published Date: 01/01/2000

Universal Mobile Telecommunications System (UMTS); Working methods (3G TR 21.900 version 3.2.0 Release 1999)

Published Date: 05/01/1999

Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); Digital cellular telecommunications system (Phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 1: Protocol specification (GSM 09.12 version 4.2.2)

Published Date: 08/01/1995

Satellite Earth Stations and Systems (SES); Network Control Facilities (NCF) for Land Mobile Earth Stations (LMES) operating in the 1,5/1,6 GHz bands providing voice and/or data communications

Published Date: 07/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification (3GPP TS 24.182 version 16.3.1 Release 16)

Published Date: 12/01/2020

Environmental Engineering (EE); Measurement method for energy efficiency of wireless access network equipment; Dynamic energy performance measurement method of 5G Base Station (BS)

Published Date: 03/31/2004

NASA Software Safety Guidebook

Published Date: 10/20/1999

IDENTIFICATION AND TRACEABILITY OF PRODUCTS

Published Date: 11/02/1999

CONTROL OF CUSTOMER-SUPPLIES PRODUCT

Published Date: 02/23/2004

PROGRAM AND PROJECT MANAGEMENT

Published Date: 08/09/1999

IDENTIFICATION AND APPLICATION OF STATISTICAL TECHNIQUES

Published Date: 08/09/1999

DESIGN PLANNING AND INTERFACE MANAGEMENT