共找到 960 条与 电信系统综合 相关的标准,共 64 页
Environmental Engineering (EE) − Powering of equipment in access network
Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
Electronic Signatures and Infrastructures (ESI) - Procedures for Creation and Validation of AdES Digital Signatures - Part 2: Signature Validation Report
Technical specification for public security video conferencing room
Technical specification for public security image control center
Technical specification for satellite earth station of public security satellite communication network
Network Functions Virtualization Orchestrator (NFVO) Technical Requirements Overall Requirements
Network Functions Virtualization Orchestrator (NFVO) Technology Requirements Business Process
Network Functions Virtualization Orchestrator (NFVO) Technical Requirements Business Template
Electronic Signatures and Infrastructures (ESI) - Cryptographic Suites
Documents relevant to EN 301549 VV1.1.1) 'Accessibility requirements suitable for public procurement of ICT products and services in Europe'
Electronic Signatures and Infrastructures (ESI) - Policy and security requirements for trust service components providing identity proofing of trust service subjects
This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector
Environmental Engineering (EE) - Powering of equipment in access network (Endorsement of the English version EN 302 099 V2.2.1 (2021-02) as a German standard)
Speech and multimedia Transmission Quality (STQ) - Speech quality performance in the presence of background noise: Background noise transmission for mobile terminals-objective test methods
Speech and multimedia Transmission Quality (STQ) - Methods for objective assessment of listening effort
本文件规定了基于EPC的5G NSA移动网分组数据业务计费系统计费性能的技术要求和检测方法,以及测试要求、检测仪表要求和测试项。 本文件适用于基于EPC的5G NSA移动网分组数据业务的计费检测。对于通过LTE/TD-SCDMA/WCDMA/GSM或CDMA接入5G EPC的分组数据业务计费检测,本文件的测试方法同样适用。
Technical requirements and testing methods for billing performance of billing system of 5G mobile network packet data serive——Part1:NSA architecture
Avalanche Beacons operating at 457 kHz; Transmitter-receiver systems; Part 1: Harmonised Standard for access to radio spectrum
Meteorological Radars; Harmonised Standard for access to radio spectrum; Part 3: Meteorological Radar Sensor operating in the frequency band 9 300 MHz to 9 500 MHz (X band)
Meteorological Radars; Harmonised Standard for access to radio spectrum; Part 2: Meteorological Radar Sensor operating in the frequency band 5 250 MHz to 5 850 MHz (C band)
Broadcast Sound Receivers; Part 4: DAB broadcast sound service; Harmonised Standard for access to radio spectrum
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