M35 卫星通信设备 标准查询与下载

ITU-R M.1479-2000 在频段1215-1260MHz和1559-1610MHz中,在干扰研究中考虑的当前和计划中的无线电导航卫星业务(空对空)接收机技术特性和性能需求

that WRC-2000 agenda item 1.15.2 invites consideration of the addition of the space-to-space direction to the radionavigation-satellite service (RNSS) allocation in the bands 1 215-1 260 MHz and 1 559-1 610 MHz

Technical Characteristics and Performance Requirements of Current and Planned Radionavigation-Satellite Service (Space-to-Space) Receivers to be Considered in Interference Studies in the Frequency Bands 1 215-1 260 MHz and 1 559-1 610 MHz

ITU-R S.1429 SPANISH-2000 地球同步(GSO)和非同步(non-GSO)卫星固定业务(FSS)系统网间干扰所致错误性能,用于操作频率低于15 GHz且不低于系统初级速率时的假设参考数字路径

The ITU Radiocommunication Assembly considering: a) that interference between GSO and non-GSO FSS systems can be of a short-term name; b) that error performance objectives for satellite digital paths operating at or above the primary rate with systems utilizing fi-equencies below 15 GHz are given in Recommendation ITU-R S.1062; c) that the error performance objectives for satellite digital paths given in Recommendation ITU-R S.1062 can be expressed in terms of errored seconds (ES) and severely errored seconds (SES); d) that sharing considerations between FSS systems carrying digital trafic are given in Recommen-dations ITU-R S.735 and ITU-R S.1323; e) that Recommendation ITU-R S.1323 requires that time varying interference be responsible for at most 10% of time allowance for a given BER. I ) that availability objectives for satellite digital paths are given in Recommendation ITU-R S.579.

ERROR PERFORMANCE OBJECTIVES DUE TO INTERNETWORK INTERFERENCE BETWEEN GSO AND NON-GSO FSS SYSTEMS FOR HYPOTHETICAL REFERENCE DIGITAL PATHS OPERATING AT OR ABOVE THE PRIMARY RATE CARRIED BY SYSTEMS USING FREQUENCIES BELOW 15 GHz

ITU-R S.1430 FRENCH-2000 工作在卫星固定业务双向配置频段的反向地球站,且使用非同步空间站的地球站协作区域的测定

The Recommendation considering that some fi-equency bands are allocated to the FSS for use by non-GSO systems in both the Earth-to-space andthe space-to-Earth direction of transmission that these fi-equency bands are also available for use by GSO systems; that, therefore, there is a possibility of mutual interference between earth stations operating to space stations in both GSO and non-GSO orbits.

DETERMINATION OF THE COORDINATION AREA FOR EARTH STATIONS OPERATING WITH NON-GSO SPACE STATIONS WITH RESPECT TO EARTH STATIONS OPERATING IN THE REVERSE DIRECTION IN FREQUENCY BANDS ALLOCATED BIDIRECTIONALLY TO THE FSS

ITU-R M.1476-2000 在1-3GHz频带构成一部分综合业务数字网的用于同步地球卫星的便携移动地球站的窄带数字信道的性能目标

An analysis linking the available and unavailable time defined by ITU-T Recommendation G.821 to unavailability due to propagation of MSS channels is provided in Annex 1.

Performance Objectives for Narrow-Band Digital Channels Using Geostationary Satellites to Serve Transportable and Mobile Earth Stations in the 1-3 GHz Range Forming Part of the Integrated Services Digital Network

ITU-R M.1475-2000 1-3GHz频段不使用卫星分集的非静止移动卫星业务系统的性能目标来源的方法

A performance objective is defined by a threshold value of the end-to-end performance and an acceptable percentage of time as the following definition: “Percentage of time when the bit error ratio (BER) without forward error correction (FEC) is worse than

Methodology for Derivation of Performance Objectives of Non-Geostationary Mobile-Satellite Service Systems Operating in the 1-3 GHz Band Not Using Satellite Diversity

ITU-R M.1474-2000 基于射频干扰的统计上的关于基带性能在数字视距内固定业务接收机上工作于2GHz的TDMA/FDMA移动卫星业务系统的干扰的影响的评估方法

Sharing between MSS and FS involves time-varying phenomena such as interference geometry, propagation conditions, etc.

Methodology to Evaluate the Impact of Interference from Time Division Multiple Access/Frequency Division Multiple Access (TDMA/FDMA) Mobile-Satellite Service (MSS) Systems Operating in the 2 GHz Range on Baseband Performance in Digital Line-of-Sight Fixe

ITU-R M.1473-2000 关于视频基带性能在TV-FM模拟固定业务接收机上的工作于2GHz的TDMA/FDMA移动卫星业务系统的干扰的影响的评估方法

The application of the methodology in this Recommendation will require the development of algorithms or calculation procedures to address the implementation of the considerations described. The use or adaptation of these algorithms or procedures in any b

Methodology to Evaluate the Impact of Interference from Time Division Multiple Access/Frequency Division Multiple Access (TDMA/FDMA) Mobile-Satellite Service (MSS) Systems Operating in the 2 GHz Range on Video Baseband Performance in TV-FM Analogue Line-

ITU-R M.1472-2000 关于视频基带性能在FDM-FM(频分复用-频率调制)模拟视距内固定业务接收机上的工作于2GHz频段的TDMA/FDMA移动卫星业务系统的干扰的影响的评估方法

Sharing between MSS and FS involves time varying phenomena such as interference geometry, propagation conditions, etc. Simulation is usually the only way to accurately evaluate interference between MSS and FS systems. The output of such simulations is ty

Methodology to Evaluate the Impact of Interference from Time Division Multiple Access/Frequency Division Multiple Access (TDMA/FDMA) Mobile-Satellite Service (MSS) Systems Operating in the 2 GHz Range on Baseband Performance in Frequency Division Multipl

ITU-R M.1471-2000 在1-3GHz频段移动卫星业务和固定业务之间频段共享的使用和协调的促进指南

that in light of anticipated FS-MSS frequency sharing difficulties, Resolution 7 16 (Rev.WRC-2000) requested ITU-R to develop planning tools to assist those administrations considering a replanning of their terrestrial fiied networks specially in MSS (E

Guidance to Facilitate Coordination and Use of Frequency Bands Shared between the Mobile-Satellite Service and the Fixed Service in the Frequency Range 1-3 GHz

ITU-R M.1470-2000 149.9-150.05MHz和399.9-400.05MHz频段MSS系统(地对空)和现有的RNSS系统(空对地)共享的方法

It should be regarded that interference may occur between TSYKADA transmitters and LEO MSS spaceborne receivers.

Methodology of Sharing between MSS Systems (Earth-to-Space) and Existing RNSS Systems (Space-to-Earth) in the Frequency Bands 149.9-150.05 MHz and 399.9-400.05 MHz

ITU-R M.1459-2000 促进静止广播卫星和移动卫星业务在1452-1525MHz和2310-2360MHz频段共享的缓解技术和航空

The example calculation used to derive the protection values as set out in Annex 1 represent a worst-case scenario. Mitigation techniques given in Annex 2 may enhance sharing.

Protection Criteria for Telemetry Systems in the Aeronautical Mobile Service and Mitigation Techniques to Facilitate Sharing with Geostationary Broadcasting-Satellite and Mobile-Satellite Services in the Frequency Bands 1 452-1 525 MHz and 2 310-2 360 Mhz

ITU-R M.1454-2000 工作在6GHz,14GHz和30GHz频段的固定卫星业务工作的同步卫星轨道网络地面站远轴e.i.r.p.

In order to protect non-GSO MSS feeder links operating in the band 5 150-5 250 MHz from interference due to RLANs, it is necessary to define operational conditions for RLAN use in the band. These conditions are derived from a sharing analysis based on th

e.i.r.p. Density Limit and Operational Restrictions for RLANs or Other Wireless Access Transmitters in Order to Ensure the Protection of Feeder Links of Non-Geostationary Systems in the Mobile-Satellite Service in the Frequency Band 5150-5250 MHz

ITU-R RS.1449-2000 FSS（空对地）与卫星地球探测（无源）和空间研究（无源）服务在 18.6-18.8 GHz 频段之间共享的可行性

An evaluation of potential interference into the EESS (passive) in the 18.6-18.8 GHz band from GSO satellites operating in the FSS

FEASIBILITY OF SHARING BETWEEN THE FSS (SPACE-TO-EARTH) AND THE EARTH EXPLORATION-SATELLITE (PASSIVE) AND SPACE RESEARCH (PASSIVE) SERVICES IN THE BAND 18.6-18.8 GHz

ITU-R RS.1449 SPANISH-2000 FSS（空对地）与卫星地球探测（无源）和空间研究（无源）服务在 18.6-18.8 GHz 频段之间共享的可行性

An evaluation of potential interference into the EESS (passive) in the 18.6-18.8 GHz band from GSO satellites operating in the FSS

FEASIBILITY OF SHARING BETWEEN THE FSS (SPACE-TO-EARTH) AND THE EARTH EXPLORATION-SATELLITE (PASSIVE) AND SPACE RESEARCH (PASSIVE) SERVICES IN THE BAND 18.6-18.8 GHz

ITU-R F.1249-1-2000 25.25-27.5GHz频段与卫星间业务共享的固定业务发射台的最大等效全向辐射功率

This Annex summarizes analyses that demonstrate that the protection criteria of Recommendation ITU-R SA.1155 for DRSs can be satisfied except in the case of main beam-to-main beam coupling by the emissions of point-to-point radiorelay stations.

Maximum Equivalent Isotropically Radiated Power of Transmitting Stations in the Fixed Service Operating in the Frequency Band 25.25-27.5 GHz Shared with the Inter-Satellite Service

ITU-R SF.1485-2000 与固定业务共享频段的固定卫星业务的与非静止空间站一起运行的地面站的协调区域的确定

The orbital equations in the procedure of Annex 1 are applicable to circular orbits only.

Determination of the Coordination Area for Earth Stations Operating with Non-Geostationary Space Stations in the Fixed-Satellite Service in Frequency Bands Shared with the Fixed Service

ITU-R VOL 2000 SNG SERIES-2000 卫星新闻收集

All ITU-R Recommendations in force at the end of the Radiocommunication Assembly (RA-2000) (5 May 2000) are published in the 2000 Volumes (except for the few “old” Recommendations published in Volume IX - Part 1 of the CCIR XVIIth Plenary Assembly (Düssel

Satellite News Gathering

ITU-R VOL 2000 SF SERIES-2000 固定卫星和固定服务系统频率共享和协调

This Appendix examines the conditions under which the systems in the fixed-satellite service and trans-horizon systems can share the same frequency band, without causing undue mutual interference.

Frequency Sharing and Coordination between Fixed-Satellite and Fixed Service Systems

ITU-R VOL 2000 SA SERIES-2000 太空应用和气象学

The performance of links between earth stations and stations in deep space is affected by the atmosphere of the Earth. Attenuation and emission by the atmosphere generally limits deep-space telecommunications

Space Applications and Meteorology

ITU-R VOL 2000 S SERIES PT 3-2000 固定卫星服务

The determination of T and y in accordance with the above-mentioned formulae or by other methods needs to be made for each type of utilization in the satellite network in order to obtain the appropriate sets of values to be used for AT/T calculation.

Fixed-Satellite Service