共找到 1372 条与 无线中继和固定卫星通信系统 相关的标准,共 92 页
Satellite Earth Stations and Systems (SES) - Fixed and in-motion Wide Band Earth Stations communicating with non-geostationary satellite systems (WBES) in the 11 GHz to 14 GHz frequency bands - Harmonised Standard for access to radio spectrum
Satellite Earth Stations and Systems (SES) - Land Mobile Earth Stations (LMES) and Maritime Mobile Earth Stations (MMES) providing voice and/or data communications, operating in the 1,5 GHz and 1,6 GHz frequency bands - Harmonised Standard for access to r
本文件规定了5G车联网终端的通信性能要求和试验方法。 本文件适用于评价5G车联网终端在运营商网络下的通信性能测试要求和试验方法。
5G internet of vehicles terminal performance requirements and Tests Procedures
Space - Use of GNSS-based positioning for road Intelligent Transport Systems (ITS) - Part 1: Definitions and system engineering procedures for the establishment and assessment of performances
Ultra Low Power Medical Data Service (MEDS) Systems operating in the frequency range 401 MHz to 402 MHz and 405 MHz to 406 MHz; Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU
Satellite Earth Stations and Systems (SES) - Fixed earth stations communicating with non-geostationary satellite systems in the 20 GHz and 30 GHz FSS bands - Harmonised Standard for access to radio spectrum
Detailed specifications of the terrestrial radio interfaces of International Mobile Telecommunications-2020 (IMT-2020)
Characteristics of HF radio equipment for the exchange of digital data and electronic mail in the maritime mobile service
Space - Use of GNSS-based positioning for road Intelligent Transport Systems (ITS) - Part 1: Definitions and system engineering procedures for the establishment and assessment of performances
Digital Video Broadcasting (DVB) - Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications - Part 2 : DVB-S2 Extensions (DVB-S2X) (V.1.2.1
Ultra Low Power Medical Data Service (MEDS) Systems operating in the frequency range 401 MHz to 402 MHz and 405 MHz to 406 MHz - Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 1: Overview, common characteristics and system-independent requirements
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 2: Digital systems operating in frequency bands from 1 GHz to 86 GHz - Harmonised Standard for access to radio spectrum
Calculation method for atmospheric and rainfall attenuation of satellite communication links
LTE-based car networking wireless communication technology message layer testing method
LTE-based car networking wireless communication technology message layer technical requirements
LTE-based Internet of Vehicles wireless communication technology network layer testing method
Radio frequency feed digital distribution system network management test method
Test method of Beidou navigation terminal for agricultural machinery
This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.
Satellite Earth Stations and Systems (SES) - Radio Frequency and Modulation Standard for Telemetry, Command and Ranging (TCR) of Communications Satellites (Endorsement of the English version EN 301 926 V1.3.1 (2017-10) as German standard)
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