M35 卫星通信设备 标准查询与下载

SJ/T 11304-2005 卫星定位车辆信息服务系统.第1部分:功能描述

本标准规定了卫星定位车辆信息服务系统(以下简称系统)的系统体系结构和功能描述。 本标准适用于通过卫星定位技术、采用公众移动通信网络、具有车辆信息服务系统中心的信息系统，可作为系统设计依据。

Satellite positioning vehicle information service system Part 1: Function description

ETSI EN 301 842-2-2005 电磁兼容性和无线频谱物质(ERM).甚高频空地数据链(VDL)模式4无线设备;地面设备的技术特性和测量方法.第2部分:数据链层(V1.3.1)

Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Data Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 2: Data link layer V1.3.1

TIA-1040.1.06-2005 再生卫星Mesh-A (RMS-A)空中接口:物理层规范第6部分:无线电链路控制

TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in s

Regenerative Satellite Mesh-A (RMS-A) Air Interface - Physical Layer Specification - Part 6: Radio Link Control

TIA-1040.1.05-2005 再生卫星Mesh-A (RMS-A)空中接口－物理层规范.第5部分:无线电传输和接收

The present document defines the Radio Frequency (RF) requirements for the Satellite Terminal (ST) transceiver of the Regenerative Satellite Mesh - A (RSM-A); Air interface operating in the Fixed Satellite System (FSS) allocations atKa-band as follows:

Regenerative Satellite Mesh-A (RMS-A) Air Interface - Physical Layer Specification - Part 5: Radio Transmission and Reception

ETSI TR 102 375-2005 卫星地面站和系统(SES).有关同步卫星轨道保护的卫星地面站天线辐射图部分的确定指南(版本1.1.1).包括磁盘

Satellite Earth Stations and Systems (SES); Guidelines for determining the parts of satellite earth station antenna radiation patterns concerned by the geostationary satellite orbit protection V1.1.1; Includes Diskette

ITU-R M.1143-3-2005 在带有固定业务的移动卫星业务下运行的非同步空间站(空对地)协调的系统详细方法论

This Recommendation describes methodologies and reference fixed system characteristics for implementation of the System Specific Methodology (SSM) of Appendix 5 of the Radio Regulations (RR), which allows a detailed assessment of the need to coordinate frequency assignments for non-geostationary (non-GSO) space stations (space-to-Earth) and receiving systems in the fixed service (FS). The Recommendation also describes a possible methodology for use in bilateral coordination of non-GSO mobile-satellite service (MSS) transmitting space stations with stations of the FS.

System specific methodology for coordination of non-geostationary space stations (space-to-Earth) operating in the mobile-satellite service with the fixed service

ITU-R M.1142-2-2005 ITU-R建议M.1141-1的草案修订版-运行在移动卫星业务和固定业务站的同步卫星空间站之间共享1-3 GHz 频段范围

Levels of power flux-density (pfd) are presented as thresholds for coordination of frequency assignments for geostationary (GSO) space station transmitters in the mobile-satellite service (MSS) and receiving stations in the fixed service in frequency ba

Sharing in the 1-3 GHz frequency range between geostationary space stations operating in the mobile-satellite service and stations in the fixed service Questions ITU-R 201/8 and ITU-R 118/9

ITU-R M.1141-2-2005 ITU-R建议M.1141-1的草案修订版-运行在移动卫星业务和固定业务站的非同步卫星空间站之间共享1-3 GHz 频段范围

Levels of power flux-density (pfd) and fractional degradation in performance are presented as thresholds for coordination of frequency assignments for non-geostationary orbit (non-GSO) space station transmitters in the mobile-satellite service MSS and r

Sharing in the 1-3 GHz frequency range between non-geostationary space stations operating in the mobile-satellite service and stations in the fixed service Questions ITU-R 201/8 and ITU-R 118/9

ITU-R M.1732-2005 运行在业余和用于共享研究的业余卫星业务中的系统的特征.关于ITU-R 48/8

This Recommendation documents the technical and operational characteristics of systems used in the amateur service and amateur-satellite services for the purposes of carrying out sharing studies. The systems and their characteristics described in this R

Characteristics of systems operating in the amateur and amateur-satellite services for use in sharing studies Question ITU-R 48/8

ITU-R QUESTION 271-2005 无意访问时卫星新闻采集(SNG)媒介之间的相互干扰

The ITU Radiocommunication Assembly considering a)that satellite news gathering (SNG) services are offered on several radiocommunication satellites;b)that the use of SNG is expanding in all parts of the world; c)that the proliferation of the use of SNG stations has caused an increase in unintentional interference to other satellite users;d)that all SNG operators do not apply the same procedures to access the satellite;e)that the origin of the interfering SNG carriers are difficult to identify.

Interference between satellite news gathering (SNG) carriers by unintentional access

ITU-R M.1469-1-2005 为时分多路接入/频分多路接入(TDMA/FDMA) 移动卫星业务(MSS)(地对空)传输到2 GHz范围内的line-of-sight固定业务接收器的干扰的评估潜能的方法

This Recommendation provides a methodology that may be used to assess the potential for interference from deployments of mobile earth stations (MES) that use non-directive antennas into line-of-sight fixed service (FS) receivers in the 2 GHz range. This

Methodology for evaluating potential for interference from time division multiple access/frequency division multiple access (TDMA/FDMA) mobile-satellite service (MSS)(Earth-to-space) transmissions into line-of-sight fixed service receivers in the 2 GHz r

ITU-R QUESTION 270-1/4-2005 使用甚宽带扩频信号的卫星固定业务系统

The ITU Radiocommunication Assembly considering a)that new transmission techniques using very wide spectrum may be used in fixed-satellite service (FSS) uplinks and/or downlinks;b)that the above transmission techniques include impulse-radio which is characterized by repetition of very short pulse transmissions;c)that the signals of the FSS systems using short pulse transmission mentioned in considering b) may be spread to very large bandwidth within the FSS allocations.

Fixed-satellite service systems using very wideband spreading signals

ITU-R M.1343-1-2005 频段1-3G全球非静止移动卫星业务系统移动地球站的基本技术要求

This Recommendation provides the essential technical requirements of mobile Earth stations for global nongeostationary mobile-satellite systems in the bands 1-3 GHz that should be used by administrations as a common technical basis for:establishing type

Essential technical requirements of mobile earth stations for global non-geostationary mobile-satellite service systems in the bands 1-3 GHz Question ITU-R 210/8

ITU-R BT.1727-2005 起草新建议ITU-R BT.[Doc. 6/119]－LSDI管辖地材料的陆地和卫星发现

This Recommendation indicates the video source-coding system, sound coding system and emission systems for the terrestrial or satellite delivery of programme material to large screen digital imagery (LSDI) venues.

Terrestrial and satellite delivery of programme material to large screen digital imagery venues Question ITU-R 15/6

ITU-R S.614-4 SPANISH-2005 运行在低于15 GHz的卫星固定业务中并成为综合业务数字网国际连接的一部分时,卫星假定参考数字路径的容许误差性能

The ITU Radiocommunication Assembly considering: a) that the concept of an integrated services digital network (ISDN) has been defined by the ITU-T; b) that satellites operating in the fixed-satellite service (FSS) will have an important role to play in extending the concept of the ISDN to international connections; c) that satisfactory error performance is an essential feature of any digital transmission system; d) that the error performance of an international digital connection forming part of an ISDN has been specified by the ITU-T in ITU-T Recommendation G.821 at 64 kbit/s; e) that the costs of establishing and maintaining digital communication satellite systems are critically dependent on overall error performance; f) that in defining error performance criteria, it is necessary to take account of all foreseeable error-inducing mechanisms, especially time-varying propagation conditions and interference.

Allowable error performance for a satellite hypothetical reference digital path in the fixed-satellite service operating below 15 GHz when forming part of an international connection in an integrated services digital network

ITU-R S.731-1 SPANISH-2005 2-30GHz频率范围内用于频率协调和干扰评估的基准地球站交叉极化辐射图

The Recommendation considering that, for coordination studies and for the assessment of mutual interference between radiocommunication-satellite systems and between earth stations of such systems and stations of other services sharing the same frequency band, it may be useful to use a cross-polarized radiation pattern for the earth-station antenna. that, for the determination of coordination distance and for the assessment of interference between earth and terrestrial stations, a cross-polarized radiation pattern based on the level exceeded by a small percentage of the side-lobe peaks may be appropriate.

Reference earth-station cross-polarized radiation pattern for use in frequency coordination and interference assessment in the frequency range from 2 to about 30 GHz

ITU-R S.1713-2005 方法计算的角度分离最少在地球表面之间的非对地静止轨道型院卫星在其活跃的弧和地球静止卫星

considering a) that in the great majority of high Earth orbit (HEO) satellite system designs, the apogee for each satellite occurs at the highest latitude point in its orbit, and each satellite transmits only while it is within an “active” arc around the

Methodology to calculate the minimum separation angle at the Earth抯 surface between a non-geostationary satellite in a high Earth orbit 揳ctive?arc and a geostationary satellite (Question ITU-R 241/4)

ITU-R S.1711-2005 卫星网络上的传送控制协议性能增强 问题ITU-R 263/4

Most of the current IP transmisions use transmission control protocol (TCP) as transport protocol. However the TCP protocol presents some short comings when used in satellite networks. Therefore various techniques, collectively referred to as “TCP perform

Performance enhancements of transmission control protocol over satellite networks (Question ITU-R 263/4)

ITU-R QUESTION 208-3/3-2005 影响卫星固定业务和地面业务频率共享问题的传输因子

The ITU Radiocommunication Assembly considering a)that propagation data for radio paths are required when planning the sharing of frequency channels in radiocommunication systems; b)that, in accordance with the Radio Regulations (RR), a coordination distance or coordination area should be determined for earth stations in the frequency bands shared between space radiocommunication services and terrestrial services.

Propagation factors in frequency sharing issues affecting fixed-satellite services and terrestrial services

ITU-R S.1149-2 FRENCH-2005 在SDH传送网中卫星固定业务数字卫星系统的网络结构和设备功能方面(问题ITU-R 201/4)

This Recommendation addresses network architecture and equipment functions relevant for the design of synchronous digital satellite systems in the FSS forming parts of, or providing syhcronous interconnections between, transport networks based on the SDH. A general architectural diagram of FSS systems with SDH network transport capability is introduced. The basic requirement is transparent transport of SDH signal elements (referred to as virtual containers) through the satellite system. This Recommendation focuses on SDH functionalities in the satellite system synchronous baseband equipment (SBE) necessary to realize three different scenarios for satellite system integration in SDH transport networks.

Network architecture and equipment functional aspects of digital satellite systems in the fixed-satellite service forming part of synchronous digital hierarchy transport networks