M35 卫星通信设备 标准查询与下载

ITU-R S.1590 FRENCH-2002 20-375 THz频率范围内卫星的技术特点和操作特点

The ITU Radiocommunication Assembly considering: a) that telecommunication links are being used and planned for use on some satellite systems for inter-satellite communications at frequencies within the range of 20-375 THz; b) that the viability of fixed-satellite service telecommunication systems operating in the 20-375 THz range of the spectrum using Earth-to-space and space-to-Earth links is currently being investigated; c) that astronomers are making observations in this part of the spectrum; d) that this part of the spectrum is also being used for other science services; e) that this part of the spectrum is also being used for scientific and industrial purposes other than communication; f) that mechanisms of interference between satellites and passive systems such as astronomy operating above 20 THz may differ from those in the radio frequency part of the spectrum.

Technical and operational characteristics of satellites operating in the range 20-375 THz

ITU-R S.1590 SPANISH-2002 20-375 THz频率范围内卫星的技术特点和操作特点

The ITU Radiocommunication Assembly considering: a) that telecommunication links are being used and planned for use on some satellite systems for inter-satellite communications at frequencies within the range of 20-375 THz; b) that the viability of fixed-satellite service telecommunication systems operating in the 20-375 THz range of the spectrum using Earth-to-space and space-to-Earth links is currently being investigated; c) that astronomers are making observations in this part of the spectrum; d) that this part of the spectrum is also being used for other science services; e) that this part of the spectrum is also being used for scientific and industrial purposes other than communication; f) that mechanisms of interference between satellites and passive systems such as astronomy operating above 20 THz may differ from those in the radio frequency part of the spectrum.

Technical and operational characteristics of satellites operating in the range 20-375 THz

ITU-R S.1560 FRENCH-2002 特定型号非同步卫星固定业务系统从高椭圆轨道进入操作频段在4/6 GHz的同步卫星固定业务卫星网络的最坏干扰水平计算方法

The ITU Radiocommunication Assembly considering: a) that many fixed-satellite service (FSS) frequency bands, including the 4/6 GHz bands, may be used for both geostationary (GSO) satellite networks and non-GSO satellite systems in accordance with the Radio Regulations (RR); b) in the 4/6 GHz bands non-GSO systems shall not cause unacceptable interference to GSO FSS networks in accordance with the provisions of RR No. 22.2; c) that administrations may need to calculate the worst-case interference level that is generated from a non-GSO system into any GSO network in the 4/6 GHz frequency bands; d) that the 4/6 GHz FSS frequency bands are heavily used by existing and planned GSO FSS networks.

Methodology for the calculation of the worst-case interference levels from a particular type of non-geostationary fixed-satellite service system using highly-elliptical orbits into geostationary fixed-satellite service satellite networks operating in the

ITU-R S.1560 SPANISH-2002 特定型号非同步卫星固定业务系统从高椭圆轨道进入操作频段在4/6 GHz的同步卫星固定业务卫星网络的最坏干扰水平计算方法

The ITU Radiocommunication Assembly considering a) that many fixed-satellite service (FSS) frequency bands, including the 4/6 GHz bands, may be used for both geostationary (GSO) satellite networks and non-GSO satellite systems in accordance with the Radio Regulations (RR); b) in the 4/6 GHz bands non-GSO systems shall not cause unacceptable interference to GSO FSS networks in accordance with the provisions of RR No. 22.2; c) that administrations may need to calculate the worst-case interference level that is generated from a non-GSO system into any GSO network in the 4/6 GHz frequency bands; d) that the 4/6 GHz FSS frequency bands are heavily used by existing and planned GSO FSS networks.

Methodology for the calculation of the worst-case interference levels from a particular type of non-geostationary fixed-satellite service system using highly-elliptical orbits into geostationary fixed-satellite service satellite networks operating in the

ITU-R S.1591 FRENCH-2002 波段在23 32.5及64.5 GHz的卫星间共享频率用于非同步/同步卫星间链接以及同步/同步卫星间链接

The ITU Radiocommunication Assembly considering a) that inter-satellite links (ISLs) within geostationary (GSO) satellite systems use, or are planned to use, the inter-satellite service (ISS) frequency allocations 22.55-23.55 GHz, 24.45- 24.75 GHz, 32.0-33.0 GHz and 59.3-71.0 GHz; b) that ISLs between GSO and non-GSO satellites use, or are planned to use, the ISS frequency allocations 22.55-23.55 GHz, 24.45-24.75 GHz, 32.0-33.0 GHz and 59.3-71.0 GHz; c) that the ITU-R needs criteria and methods of calculation in order to assess the potential for ISLs of the type mentioned in considering b) to share frequencies with ISLs of the type mentioned in considering a); d) that the criteria and calculation methods mentioned in considering c) could possibly enable the Radiocommunication Bureau (BR) to process notices submitted in accordance with Appendix 4 of the Radio Regulations (RR) for spectrum for ISLs of the type mentioned in considering b); e) that the simulations described in Annex 1 show that instances of significant interference between co-frequency ISLs of the types mentioned in considerings a) and b) occur in only a small proportion of cases, and in those cases for only small percentages of the time; f) that Annex 1 also verifies that the maximum levels of interference occur when the non-GSO/GSO ISL is instantaneously in the Equatorial plane, and that those levels may therefore be calculated manually; g) that considerings e) and f) make it convenient for frequency sharing between the two types of ISL to be facilitated by coordination, and that coordination would not be needed in many cases; h) that the need to coordinate may be checked by calculating the minimum carrier-tointerference, C/I, ratios and comparing them with a simple threshold C/I.

Sharing of inter-satellite link bands around 23, 32.5 and 64.5 GHz between non-geostationary/geostationary inter-satellite links and geostationary/geostationary inter-satellite links

ITU-R S.1594 SPANISH-2002 在30 GHz范围内高密度卫星固定业务地球站向同步卫星固定业务空间站进行传输的技术特性

The ITU Radiocommunication Assembly considering that the earth stations of various different geostationary (GSO) satellite networks in the fixed-satellite service (FSS) are planning to commence operation in the 30 GHz frequency range in the near future.

Technical characteristics of high density fixed-satellite service earth stations transmitting towards geostationary fixed-satellite service space stations in the 30 GHz range

ITU-R S.1557 SPANISH-2002 在50/40 GHz波段下运行的卫星固定业务系统的操作要求及特性用于共享卫星固定业务及固定业务的研究

This Recommendation presents data on the required downlink power flux-density (pfd) in the 37.5-42.5 GHz band to allow FSS systems operating in this band to operate with various earth terminal antenna sizes. The study is based on the proposed FSS operating in the 50/40 GHz bands.

Operational requirements and characteristics of fixed-satellite service systems operating in the 50/40 GHz bands for use in sharing studies between the fixed-satellite service and the fixed service

ITU-R F.1107-1-2002 静止轨道卫星对固定业务干扰计算的可能性分析

WARC-92 allocated to the broadcasting-satellite service (TV and sound), the mobile-satellite service and the space science services spectrum which is also shared by the FS. WARC-92 also approved several Resolutions and Recommendations that requested the I

Probabilistic analysis for calculating interference into the fixed service from satellites occupying the geostationary orbit

ITU-R SF.1602-2002 用于固定无线系统和多重固定卫星业务卫星之间研究共享的功率通量密度统计的测定方法

This Annex presents statistical methodology concerning the impact of non-GSO and GSO satellites on FWS.

Methodology for determining power flux-density statistics for use in sharing studies between fixed wireless systems and multiple fixed-satellite service satellites

ITU-R S.1557 FRENCH-2002 在50/40 GHz波段下运行的卫星固定业务系统的操作要求及特性用于共享卫星固定业务及固定业务的研究

This Recommendation presents data on the required downlink power flux-density (pfd) in the 37.5-42.5 GHz band to allow FSS systems operating in this band to operate with various earth terminal antenna sizes. The study is based on the proposed FSS operating in the 50/40 GHz bands.

Operational requirements and characteristics of fixed-satellite service systems operating in the 50/40 GHz bands for use in sharing studies between the fixed-satellite service and the fixed service

ITU-R SF.1572 SPANISH-2002 在析出为主要衰减机制的频段内卫星固定业务对固定业务空对地干扰影响的评估方法

The ITU Radiocommunication Assembly considering a) that emissions from space stations in the fixed-satellite service (FSS) operating in geostationary orbit (GSO) and sharing the same spectrum as the fixed service (FS) may produce interference in receiving stations of the FS; b) results obtained using a statistical approach compared to a worst-case analysis may lead to a more efficient use of the spectrum than results from criteria developed using worst-case analysis; c) that sharing methodologies should take into consideration the performance requirements and deployment characteristics of FS systems being used and planned for use in these frequency bands; d) that in spectrum where precipitation is the predominant fade mechanism it is desirable to have an interference evaluation tool using C/N, C/I and C/(N + I) statistics to determine impact on availability; e) that such an interference evaluation tool may have application in bands above about 17 GHz to assist administrations in performing sharing studies.

Methodology to evaluate the impact of space-to-Earth interference from the fixed-satellite service to the fixed service in frequency bands where precipitation is the predominant fade mechanism

ITU-R SF.1481-1 SPANISH-2002 47.2-47.5及47.9-48.2 GHz波段间使用高海拔平台站的固定业务和在卫星固定业务中同步轨道的卫星系统之间的频率共享

The ITU Radiocommunication Assembly considering a) that new technology is being developed utilizing telecommunication relays located on high altitude platforms at fixed points in the stratosphere (see Note 1); b) that systems utilizing one or more high altitude platform stations (HAPS) located at fixed points in the stratosphere may possess desirable attributes for high-speed broadband digital communications, including interactive video and other applications, with significant potential for frequency reuse and capable of providing service to a high density of users; c) that such systems would be able to provide coverage to metropolitan regions with high elevation angles and short path lengths, and to outlying rural areas or neighbouring countries with low elevation angles but without reducing capacity; d) that broadband digital services provided by such systems in the fixed service (FS) are intended to provide widespread communications information infrastructures promoting the global information infrastructure (GII) network; e) that in areas of high population and business densities, users of these services are expected to be ubiquitous; f) that the radio spectrum above 30 GHz is allocated to a variety of radio services and that many different systems are already using or planning to use these frequency band allocations; g) that the bands 47.2-47.5 GHz and 47.9-48.2 GHz are allocated to the fixed-satellite service (FSS), including non-GSO systems, in the Earth-to-space direction; h) there is an increasing demand for access to these allocations; j) that according to Radio Regulations (RR) No. 5.552A the allocation to the FS in the bands 47.2-47.5 GHz and 47.9-48.2 GHz, is designated for use by HAPS; k) that according to Resolution 122 (Rev.WRC-2000), administrations are urged to facilitate coordination between HAPS systems in the fixed service operating in the bands 47.2-47.5 GHz and 47.9-48.2 GHz and other co-primary radio services in their territory and adjacent territories; l) that because systems in the FS using HAPS can use the full range of elevation angles, sharing with the FSS may present difficulties.

Frequency sharing between systems in the fixed service using high-altitude platform stations and satellite systems in the geostationary orbit in the fixed-satellite service in the bands 47.2-47.5 and 47.9-48.2 GHz

ITU-R S.1595-2002 固定服务系统非静止卫星在低中地球轨道的干扰缓解技术

that in some frequency bands non-geostationary orbit (non-GSO) satellite systems are required to coordinate with other non-GSO satellite systems if there is frequency overlap;

Interference mitigation techniques to facilitate coordination between non-geostationary fixed-satellite service systems in highly elliptical orbit and non-geostationary fixed-satellite service systems in low and medium Earth orbit

ITU-R S.1592-2002 遵守非静止卫星固定业务卫星系统的评估方法.在圆形轨道的额外业务的限制下行同等功率通量密度在第22条无线电管理条例

Annex 2 discusses an approach that could be used to demonstrate that additional operational limits are met by an operational non-GSO system interfering into an operational GSO FSS earth station. In contrast with Annex 1, which is based on a full simulatio

Methodology to assess compliance of non-geostationary fixed-satellite service satellite systems in circular orbits with the additional operational limits on downlink equivalent power flux-density in Article 22 of the Radio Regulations

ITU-R S.1591-2002 非同步/同步卫星间链路和同步/同步卫星间链路之间的23, 32.5 和64.5 GHz范围内

Sharing of inter-satellite link bands around 23, 32.5 and 64.5 GHz between non-geostationary/geostationary inter-satellite links and geostationary/geostationary inter-satellite links

Sharing of inter-satellite link bands around 23 32.5 and 64.5 GHz between non-geostationary/geostationary inter-satellite links and geostationary/geostationary inter-satellite links

ITU-R S.1590-2002 在20-375THz频段内运行的卫星的技术和操作特性

The term “radio waves” is defined in the Radio Regulations as “Electromagnetic waves of frequencies arbitrarily lower than 3 000 GHz propagated in space without artificial guide”.

Technical and operational characteristics of satellites operating in the range 20-375 THz

ITU-R S.1588-2002 由多非同步固定卫星业务系统向同步固定卫星业务网络产生的全部下行等效功率通量密度的计算方法

The methods in Annex 1 may be used individually or in the sequence as suggested in recommends 2, 3 and 4. For the determination of the exceedance of the epfd↓ levels the most accurate methodology in recommends 2 to 4 should be used taking into account t

Methodologies for calculating aggregate downlink equivalent power flux-density produced by multiple non-geostationary fixed-satellite service systems into a geostationary fixed-satellite service network*

ITU-R S.1557-2002 业务需求和特点.固定卫星服务系统经营四十分之五十频段使用的共享研究之间的固定卫星服务和固定服务

This Annex presents data on the required downlink power flux-density (pfd) in the 37.5-42.5 GHz band to allow FSS systems operating in this band to operate with various earth terminal antenna sizes. The study is based on the proposed FSS operating in th

Operational requirements and characteristics of fixed-satellite service systems operating in the 50/40 GHz bands for use in sharing studies between the fixed-satellite service and the fixed service*

ITU-R S.1556-2002 方法论.以确定相应的级别epfddown的损失同步静止固定卫星服务网络所造成的干扰来自非地球静止卫星系统

The time duration and frequency of occurrence of interfering signals can contribute to the determination of the allowable maximum interference level. It is observed that multiple short interference events can result in a longer period of unavailability,

Methodology to determine the epfd downlink level corresponding to the loss of synchronization in geostationary fixed satellite service networks caused by interference from non-geostationary-satellite systems

ITU-R S.1553 FRENCH-2002 环境及其他影响卫星天线的因素的可能路径

The ITU Radiocommunication Assembly considering a) that environmental and other effects are important factors in determining the end of life performance of a satellite antenna; b) that satellite antenna side-lobe levels can vary due to environmental factors, operational factors and ageing; c) that satellite antenna radiation pattern is an important parameter in the interference calculations; d) that the use of active array antennas in the operational satellite environment is increasing; e) that methods to assess the environmental effects on the performance of a satellite antenna depend on the technologies used for the antenna; f) that for some systems, the primary source of interference into an earth station is from the satellite antenna side lobes into the earth station.

A possible method to account for environmental and other effects on satellite antenna patterns