M35 卫星通信设备 标准查询与下载

ITU-R S.1424-2000 假设参考数字路径固定卫星服务中15 GHz以下利用静止轨道卫星服务的B-ISDN异步转换模式的可行性

The satellite HRDP availability objective encompasses the availability due to propagation and the earth station and spacecraft equipment availability. Based on previous studies for 14/11 GHz and 30/20 GHz band transmission paths, the yearly availability

AVAILABILITY OBJECTIVES FOR A HYPOTHETICAL REFERENCE DIGITAL PATH WHEN USED FOR THE TRANSMISSION OF B-ISDN ASYNCHRONOUS TRANSFER MODE IN THE FSS BY GEOSTATIONARY ORBIT SATELLITE SYSTEMS USING FREQUENCIES BELOW 15 GHz

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 F.1494 SPANISH-2000 保护固定业务免受其它共享在频段10.7-12.5 GHz基于同等重要的其它基础业务的时变总干扰的干扰标准

This Annex aims to give numerical examples concerning the assessment of interference criteria in the 11/12 GHz band. The interference is considered to be aggregate from all co-primary services.

INTERFERENCE CRITERIA TO PROTECT THE FIXED SERVICE FROM TIME VARYING AGGREGATE INTERFERENCE FROM OTHER SERVICES SHARING THE 10.7-12.75 GHz BAND ON A CO-PRIMARY BASIS

ITU-R F.1502 SPANISH-2000 在8025-8400 MHZ频段内地球探测卫星业务(空对地)同步卫星系统共享的固定业务的保护

The ITU Radiocommunication Assembly, considering that prior to WRC-97, the band 8 025-8 400 MHz was allocated to the Earth exploration-satellite service (EESS) (space-to-Earth) on a secondary basis in Regions 1 and 3, except for those countries listed in RR No. S5.464; that the power flux-density (pfd) limits given in Table S21-4 of RR Article S21 apply to emissions from space stations of the EESS (space-to-Earth).

PROTECTION OF THE FIXED SERVICE IN THE FREQUENCY BAND 8 025-8 400 MHZ SHARING WITH GEOSTATIONARY-SATELLITE SYSTEMS OF THE EARTH EXPLORATION-SATELLITE SERVICE (SPACE-TO-EARTH)

ITU-R F.1502 FRENCH-2000 在8025-8400 MHZ频段内与地球探测卫星业务(空对地)同步卫星系统共享的固定业务的保护

The ITU Radiocommunication Assembly, considering that prior to WRC-97, the band 8 025-8 400 MHz was allocated to the Earth exploration-satellite service (EESS) (space-to-Earth) on a secondary basis in Regions 1 and 3, except for those countries listed in RR No. S5.464; that the power flux-density (pfd) limits given in Table S21-4 of RR Article S21 apply to emissions from space stations of the EESS (space-to-Earth).

PROTECTION OF THE FIXED SERVICE IN THE FREQUENCY BAND 8 025-8 400 MHZ SHARING WITH GEOSTATIONARY-SATELLITE SYSTEMS OF THE EARTH EXPLORATION-SATELLITE SERVICE (SPACE-TO-EARTH)

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 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 S.1433 FRENCH-2000 由非同步卫星轨道固定卫星系统发出的卫星上行链路及卫星间等效功率通量密度辐射

The ITU Radiocommunication Assembly considering: a) the limits on the power flux-density (pfd) received at the GSO from Earth-to-space or space-to-Earth transmission within non-GSO FSS networks in the frequency band covered by Resolution 130 (WRC-97) should provide protection for GSO FSS networks; b)that such limits should be established taking into account the geostationary satellite receiving antenna characteristics; c) that these limits should take account of all the earth stations or space stations, as appropriate, of a non-GSO FSS network within visibility of the geostationary satellite; d) that the discriminating characteristics of the geostationary satellite antenna should be included in the definition of the limit; e) that such limits to the uplink equivalent power flux-density should apply in FSS (Earth-to-space) allocations at 12.5-13.25 GHz, 13.75-14.5 GHz, 27.5-28.6 GHz and 29.5-30.0 GHz in accordance with Resolution 130 (WRC-97); f) that such limits to the inter-satellite equivalent power flux-density (epfdi,) should apply in FSS (space-to-Earth) allocations used by non-GSO FSS which are shared with GSO FSS Earth-to-space in the bands 10.7-11.7 GHz, 12.5-12.75 GHz and 17.8-18.4 GHz; g) that designers of non-GSO FSS systems need a definition of the limits of their transmissions at the GSO arc; h) that the operators of GSO FSS satellites will accept interference from non-geostationary Co-channel systems when they meet certain epfd up or epfdi is limits.

UPLINK AND INTER-SATELLITE EQUIVALENT POWER FLUX-DENSITY RADIATED BY NON-GSO FSS SYSTEMS

ITU-R S.733-2 FRENCH-2000 卫星固定业务中运行地球站的G/T比率的测定

The Recommendation considering that the primary figure of merit for earth stations operating in the fiied-satellite service is the ratio of the antenna power gain-to-system noise temperature (G/T; that there are two commonly used methods for measuring earth station G/T, each of which has advantages for different situations and one method for its prediction.

DETERMlNATION OF THE G/T RATIO FOR EARTH STATIONS OPERATlNG lN THE FIXED-SATELLITE SERVICE

ITU-R BO.1504-2000 分配到宽带卫星业务(语音)频谱的有效利用

that Resolution 528 (WARC-92) calls for the convening of a competent conference to plan the use of the bands allocated to the broadcasting-satellite service (BSS) (sound)

Effective Utilization of Spectrum Assigned to the Broadcasting-Satellite Service (Sound)

ITU-R S.1433 SPANISH-2000 由非同步卫星轨道固定卫星系统发出的卫星上行链路及卫星间等效功率通量密度辐射

The ITU Radiocommunication Assembly considering: a) the limits on the power flux-density (pfd) received at the GSO from Earth-to-space or space-to-Earth transmission within non-GSO FSS networks in the frequency band covered by Resolution 130 (WRC-97) should provide protection for GSO FSS networks; b)that such limits should be established taking into account the geostationary satellite receiving antenna characteristics; c) that these limits should take account of all the earth stations or space stations, as appropriate, of a non-GSO FSS network within visibility of the geostationary satellite; d) that the discriminating characteristics of the geostationary satellite antenna should be included in the definition of the limit; e) that such limits to the uplink equivalent power flux-density should apply in FSS (Earth-to-space) allocations at 12.5-13.25 GHz, 13.75-14.5 GHz, 27.5-28.6 GHz and 29.5-30.0 GHz in accordance with Resolution 130 (WRC-97); f) that such limits to the inter-satellite equivalent power flux-density (epfdi,) should apply in FSS (space-to-Earth) allocations used by non-GSO FSS which are shared with GSO FSS Earth-to-space in the bands 10.7-11.7 GHz, 12.5-12.75 GHz and 17.8-18.4 GHz; g) that designers of non-GSO FSS systems need a definition of the limits of their transmissions at the GSO arc; h) that the operators of GSO FSS satellites will accept interference from non-geostationary Co-channel systems when they meet certain epfd up or epfdi is limits.

UPLINK AND INTER-SATELLITE EQUIVALENT POWER FLUX-DENSITY RADIATED BY NON-GSO FSS SYSTEMS

ITU-R S.1425 SPANISH-2000 使用较高级的卫星电路调制的数字载体的传输注意事项

The ITU Radiocommunication Assembly considering that a) the radio spectrum and geostationary orbit are limited resources; b) that there is spectrum congestion in certain frequency bands allocated to the FSS; c) that due to the rapid development of different radio services, sharing conditions in many frequency bands are becoming increasingly difficult; d) that the spectral efficiency of satellite networks can be increased through the use of higher level modulationssuch as 8-PSK and 16-QAM as compared to QPSK; e) that the power efficiency of satellite networks can be improved through the use of appropriate encoding techniques; f) that there is a continuous need to update the information available on the characteristics of satellite transmissions and their related performance; g) that different transmission techniques can be implemented to transport the same information stream.

Transmission Considerations for Digital Carriers Using Higher Levels of Modulation on Satellite Circuits

ITU-R S.1425 FRENCH-2000 使用较高级的卫星电路调制的数字载体的传输注意事项

The ITU Radiocommunication Assembly considering that a) the radio spectrum and geostationary orbit are limited resources; b) that there is spectrum congestion in certain frequency bands allocated to the FSS; c) that due to the rapid development of different radio services, sharing conditions in many frequency bands are becoming increasingly difficult; d) that the spectral efficiency of satellite networks can be increased through the use of higher level modulationssuch as 8-PSK and 16-QAM as compared to QPSK; e) that the power efficiency of satellite networks can be improved through the use of appropriate encoding techniques; f) that there is a continuous need to update the information available on the characteristics of satellite transmissions and their related performance; g) that different transmission techniques can be implemented to transport the same information stream.

Transmission Considerations for Digital Carriers Using Higher Levels of Modulation on Satellite Circuits

ITU-R S.1424 SPANISH-2000 操作频率低于15 GHz的地球同步轨道卫星系统卫星固定业务(FSS)中,使用B-ISDN异步传输模式传输时假设参考数字路径的有效目标

The ITU Radiocommunication Assembly considering a) that satellites operating in the FSS play an important role in providing reliable international digital communications: b) that the hypothetical reference digital path (HRDP) in the FSS is intended as a guide to designers and users; cl that the broadband integrated services digital network (B-ISDN) asynchronous transfer mode (ATM) semi-permanent connection availability has been specified in ITU-T Recommendation I.357; d) that it is desirable to be compliant with the concepts, terms and definitions related to availability as given in ITU-T Recommendation I.357; e) that in defining availability criterion, it is necessary to take into account all the specific characteristics of the transmission medium; f) that the availability for a HRDP used for the transmission of B-ISDN ATM over satellite is determined by the aggregate effects of network congestion, transmission errors, equipment failures and propagation characteristics.

AVAILABILITY OBJECTIVES FOR A HYPOTHETICAL REFERENCE DIGITAL PATH WHEN USED FOR THE TRANSMISSION OF B-ISDN ASYNCHRONOUS TRANSFER MODE IN THE FSS BY GEOSTATIONARY ORBIT SATELLITE SYSTEMS USING FREQUENCIES BELOW 15 GHz

ITU-R F.1494 FRENCH-2000 保护固定业务免受其它共享在频段10.7-12.5 GHz基于同等重要的其它基础业务的时变总干扰的干扰标准

This Annex aims to give numerical examples concerning the assessment of interference criteria in the 11/12 GHz band. The interference is considered to be aggregate from all co-primary services.

Interference Criteria to Protect the Fixed Service from Time Varying Aggregate Interference from Other Services Sharing the 10.7-12.75 GHz Band on a Co-Primary Basis

ITU-R S.521-4 FRENCH-2000 在卫星固定业务中使用数字传输的系统的假设参考数字通道

The Recommendation considering that it is desirable to establish hypothetical reference digital paths (HRDPs) for active fixed-satellite systems to afford guidance to designers of equipment and systems for use in networks employing digital transmission techniques; that satellite-to-satellite links may be used in the fixed-satellite service (FSS); that both geostationary and non-geostationary-satellite systems will be part of the FSS.

HYPOTHETICAL REFERENCE DIGITAL PATHS FOR SYSTEMS USING DIGITAL TRANSMISSION IN THE FIXED-SATELLITE SERVICE

ITU-R S.521-4 SPANISH-2000 在卫星固定业务中使用数字传输的系统的假设参考数字通道

The Recommendation considering that it is desirable to establish hypothetical reference digital paths (HRDPs) for active fixed-satellite systems to afford guidance to designers of equipment and systems for use in networks employing digital transmission techniques; that satellite-to-satellite links may be used in the fixed-satellite service (FSS); that both geostationary and non-geostationary-satellite systems will be part of the FSS.

HYPOTHETICAL REFERENCE DIGITAL PATHS FOR SYSTEMS USING DIGITAL TRANSMISSION IN THE FIXED-SATELLITE SERVICE

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