M11;M21 标准查询与下载

ITU-T SERIES Q SUPP 57-2008 支持互联网协议(IP)网络中紧急通信业务(ETS)的信令要求.11号研究组

This supplement identifies the signalling requirements to support preferential capabilities within IP networks for the emergency telecommunications service (ETS), which involves authority-to-authority communication.

Signalling requirements to support the emergency telecommunications service (ETS) in IP networks Study Group 11

ITU-T RESOLUTION 52-2008 抵制和打击垃圾邮件

The World Telecommunication Standardization Assembly (Johannesburg, 2008), recognizing relevant provisions of the Basic Instruments of ITU; that the "Declaration of Principles" of the World Summit on the Information Society (WSIS) states in § 37 that: "Spam is a significant and growing problem for users, networks and the Internet as a whole. Spam and cybersecurity should be dealt with at appropriate national and international levels"; that the WSIS "Plan of Action" states in § 12 that: "Confidence and security are among the main pillars of the information society" and calls for "appropriate action on spam at national and international levels".

Countering and combating spam

DIN EN 300392-10-16:2007 地面中继无线电(TETRA).声音加数据(V+D).第10部分:补充业务阶段1.子部分16:抢先购买优先权呼叫(PPC)业务

This European standard specifies requirements in the telecommunications sector.

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-10-16 V1.3.1 (2006-08) as German standard)

DIN EN 300392-10-6:2007 地面中继无线电系统(TETRA).声音加数据(V+D).第10部分:补充业务阶段1.子部分6:调度员的呼叫授权

This European standard specifies requirements in the telecommunications sector.

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-10-6 V1.4.1 (2006-08) as German standard)

ITU-R S.1783 FRENCH-2007 卫星固定业务中高密度应用的技术和操作特性.问题ITU-R 266/4

Sets of parameters of existing and planned networks incorporating user earth stations in high-density applications within the fixed-satellite service are provided in the form of an EXCEL database for systems employing geostationary satellites. A further database for systems employing non-geostationary satellites is planned to be developed in due course.

Technical and operational features characterizing high-density applications in the fixed-satellite service

ITU-R RA.1031-2 SPANISH-2007 与其他业务共享频段的射电天文业务的保护

This Recommendation gives a practicable guideline for the case when one or more administrations, during negotiation, establish coordination zones around radio astronomy stations to protect the radio astronomy service from interference caused by terrestrial radiocommunication services or transmitting earth stations used for space radiocommunication services that share frequency bands with the radio astronomy service.

Protection of the radio astronomy service in frequency bands shared with other services

ITU-R S.1783 SPANISH-2007 卫星固定业务中高密度应用的技术和操作特性.问题ITU-R 266/4

Sets of parameters of existing and planned networks incorporating user earth stations in high-density applications within the fixed-satellite service are provided in the form of an EXCEL database for systems employing geostationary satellites. A further database for systems employing non-geostationary satellites is planned to be developed in due course.

Technical and operational features characterizing high-density applications in the fixed-satellite service

ITU-R RA.1031-2-2007 与其他业务共享频段的射电天文业务的保护

This Recommendation gives a practicable guideline for the case when one or more administrations, during negotiation, establish coordination zones around radio astronomy stations to protect the radio astronomy service from interference caused by terrestrial radiocommunication services or transmitting earth stations used for space radiocommunication services that share frequency bands with the radio astronomy service.

Protection of the radio astronomy service in frequency bands shared with other services

ITU-R REPORT RS.2094-2007 在9300-9500 MHz和9800-10000 MHz频段内地球探测卫星(有源)业务和无线电定位业务之间的兼容性研究及其在9800-10000 MHz频段内地球探测卫星(有源)业务和固定业务之间的兼容性研究

The purpose of this Report is to summarize the results of the studies related to the compatibility between Earth exploration-satellite service (EESS)(active) and the radiodetermination service in the 9 300-9 500 MHz and 9 800-10 000 MHz bands and between EESS (active) and the fixed service in the 9 800-10 000 MHz band.

Studies related to the compatibility between Earth exploration-satellite service (active) and the radiodetermination service in the 9 300-9 500 MHz and 9 800-10 000 MHz bands and between Earth exploration-satellite service (active) and the fixed service i

ITU-R RA.1031-2 FRENCH-2007 与其他业务共享频段的射电天文业务的保护

This Recommendation gives a practicable guideline for the case when one or more administrations, during negotiation, establish coordination zones around radio astronomy stations to protect the radio astronomy service from interference caused by terrestrial radiocommunication services or transmitting earth stations used for space radiocommunication services that share frequency bands with the radio astronomy service.

Protection of the radio astronomy service in frequency bands shared with other services

ITU-R M.1233-1 FRENCH-2006 移动卫星业务(MSS)(与航空移动卫星业务AMS(R)S不同)与AMS(R)S业务之间共享卫星网络资源的技术事项

In this Recommendation, technical considerations such as network design and operation, MES and LES capabilities are recommended taking account of the priority communications in AMS(R)S in the case when the AMS(R)S network is provided by shared resources with other MSS networks.

Technical considerations for sharing satellite network resources between the mobile-satellite service (MSS) (other than the aeronautical mobile-satellite (R) service (AMS(R)S)) and AMS(R)S

ITU-R RA.1750 SPANISH-2006 94 GHz和130 GHz频段中的地球探测卫星业务(有源)和射电天文业务之间的相互规划

This Recommendation describes measures to be taken by the Earth exploration-satellite service (EESS) (active) and the radio astronomy service (RAS) to minimize the potential impact of 94 GHz and 130 GHz EESS (active) cloud-mapping radars upon RAS observations in adjacent bands.

Mutual planning between the Earth exploration-satellite service (active) and the radio astronomy service in the 94 GHz and 130 GHz bands

ITU-R M.1233-1 SPANISH-2006 移动卫星业务(MSS)(与航空移动卫星业务AMS(R)S不同)与AMS(R)S业务之间共享卫星网络资源的技术事项

In this Recommendation, technical considerations such as network design and operation, MES and LES capabilities are recommended taking account of the priority communications in AMS(R)S in the case when the AMS(R)S network is provided by shared resources with other MSS networks.

Technical considerations for sharing satellite network resources between the mobile-satellite service (MSS) (other than the aeronautical mobile-satellite (R) service (AMS(R)S)) and AMS(R)S

ITU-R RA.1750 FRENCH-2006 94 GHz和130 GHz频段中的地球探测卫星业务(有源)和射电天文业务之间的相互规划

This Recommendation describes measures to be taken by the Earth exploration-satellite service (EESS) (active) and the radio astronomy service (RAS) to minimize the potential impact of 94 GHz and 130 GHz EESS (active) cloud-mapping radars upon RAS observations in adjacent bands.

Mutual planning between the Earth exploration-satellite service (active) and the radio astronomy service in the 94 GHz and 130 GHz bands

ITU-R RS.1165-2 FRENCH-2006 在403 MHz和1680 MHz频段中气象辅助业务的技术特性和性能标准(作废的:ITU-R SA.1165-1;ITU-R SA.1165)

This Recommendation gives the technical characteristics and performance criteria for systems in the meteorological aids service in the 403 MHz and 1 680 MHz bands.

Technical characteristics and performance criteria for systems in the meteorological aids service in the 403 MHz and 1 680 MHz bands

ITU-R RS.1165-2 SPANISH-2006 在403 MHz和1680 MHz频段中气象辅助业务的技术特性和性能标准(作废的:ITU-R SA.1165-1;ITU-R SA.1165)

This Recommendation gives the technical characteristics and performance criteria for systems in the meteorological aids service in the 403 MHz and 1 680 MHz bands.

Technical characteristics and performance criteria for systems in the meteorological aids service in the 403 MHz and 1 680 MHz bands

ITU-R M.1141-2 FRENCH-2005 运行于移动卫星业务和固定业务的非同步空间站之间在1-3 GHz频段的共享

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 receiving stations in the fixed service (FS) in frequency bands shared between these services in the 1-3 GHz frequency range. In the annexes, the methodology for sharing between constellations of non-GSO space station transmitters and receiving fixed stations is described and a summary of studies of frequency sharing between transmitting fixed stations and non-GSO space station receivers is presented.

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

ITU-R M.1141-2 SPANISH-2005 运行于移动卫星业务和固定业务的非同步空间站之间在1-3 GHz频段的共享

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 receiving stations in the fixed service (FS) in frequency bands shared between these services in the 1-3 GHz frequency range. In the annexes, the methodology for sharing between constellations of non-GSO space station transmitters and receiving fixed stations is described and a summary of studies of frequency sharing between transmitting fixed stations and non-GSO space station receivers is presented.

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

ITU-R M.1143-3 FRENCH-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 SPANISH-2005 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在1-3 GHz频段范围内的共享

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 bands shared between these services in the 1-3 GHz frequency range. The Annexes address fixed system considerations that may facilitate coordination and summarize studies of frequency sharing between transmitting fixed stations and GSO space station receivers in the MSS.

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