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Oficina del Secretario General Radio- comunicaciones (ITU-R) Normalización (ITU-T) Desarrollo (ITU-D) TELECOM Exposiciones y Foros Miembros	Pagina Principal : Publicaciones Contributions to SG 4 (1996-97) [4/1] ITU-R Questions of Study Group 4 [4/1-a1] Addendum 1 - Questions assigned to Radiocommunication Study Group 4 [4/1-a2] Addendum 2 - Questions assigned to Radiocommunication Study Group 4 [4/1-a3] Addendum 3 - Questions assigned to Radiocommunication Study Group 4 [4/1-a4] Addendúm 4 - Cuestiones asignadas a la Comisión de Estudio 4 de Radiocomunicaciones [4/1-a5] Addendum 5 - Questions assigned to Radiocommunication Study Group 4 [4/2] Chairman's report of Radiocommunication SG 4 [4/3-r1] Preliminary status of texts - Fixed satellite service [4/4-r1] Preliminary analytical list of texts [4/5] Structure of WPs and TGs of Radiocommunication SG 4 and assignment of Questions [4/6 - 9/25] Draft revision of Rec. ITU-R SF.357-3: Maximum allowable values of interference in a telephone channel of an analogue angle-modulated radio-relay system sharing the same frequency bands as systems in the fixed-satellite service [4/7 - 9/26-r1] Draft revision of Rec. ITU-R SF.615: Maximum allowable values of interference from the fixed-satellite service into terrestrial radio-relay systems which may form part of an ISDN and share the same frequency band below 15 GHz [4/8 - 9/27] Power flux-density values to facilitate the application of Article 14 for FSS in relation to the fixed-satellite service in the 11.7 - 12.2 GHz band in Region 2 [4/9-c1] Corrigendum 1 to Doc. 4/9 - Draft new Rec. ITU-R S.[Doc. 4/9] [4/9 - Part 1] Draft new Rec. ITU-R S.[Doc. 4/9] Network management architecture for digital satellite systems forming part of SDH transport networks in the fixed-satellite service [4/9 - Part 2] see title above [4/10] Draft new Rec. ITU-R S.[Doc. 4/10]: Network management - Performance management object class definitions for satellite systems network elements forming part of SDH transport networks in the fixed-satellite service [4/11] Draft new Rec. ITU-R S.[Doc. 4/11]: Network management - Payload configuration object class definitions for satellite system network elements forming part of SDH transport networks in the fixed-satellite service [4/12] Draft revision of Rec. ITU-R S.1149: Network architecture and equipment functional aspects ofdigital satellite systems in the fixed-satellite service forming part of synchronous digital hierarchy transport networks [4/13] Draft new Rec. ITU-R S.[4A/XE]: Technical options to facilitate coordination of FSS networks in certain orbital arc segments and frequency bands [4/14] Draft new Rec. ITU-R S.[4A/XD]: Best practices to facilitate the coordination process of FSS satellite networks [4/15-r1] Draft new Rec. ITU-R S.[4/15]: Use of adaptive uplink power control to mitigate co-directional interference between GSO/FSS networks and feeder links of NGSO/MSS networks [4/16] Draft new Rec. ITU-R S.[4A/XF]: Methodology for determining the maximum aggregate power flux-density at the geostationary-satellite orbit in the band 6 700 - 7075 MHz from feeder links of non-geostationary satellite systems in the mobile-sat.... [4/17] Draft new Rec. ITU-R S.[4A/XC]: Analytical method to calculate visibility statistics for NGSO-satellite as seen from a point on the earth's surface [4/18] Draft revision of Rec. ITU-R 483-2: Maximum permissible level of interference in a television channel of a geostationary-satellite network in the fixed satellite service employing frequency modulation, caused by other networks of this service [4/19] Draft revision of Rec. ITU-R S.736-2: Estimation of polarization discrimination in calculations of interference between geostationary-satellite networks in the fixed-satellite service [4/20 - 9/21] Executive Report on the meeting of Working Party 4-9S [4/21 - 9/22] Preliminary status of texts of Radiocommunication study Groups 4 and 9 [4/22 - 9/23] Analytical list of texts of Study Groups 4 and 9 [4/23 - 9/24] Summary of draft Recommendations submitted from WP 4-9S [4/25] Status report on activities [4/26 - 9/33-r1] Draft new Rec. [Doc.4/26-9/33]: Maxim. allowable values of power flux-density at the surface of the earth produced by non-geostationary sat. in the FSS used in feeder links for the MSS & sharing the same freq. bands with radio-relay system [4/27 - 9/34-r1] Proposal from SGs 4 and 9 (January 1997) to the Radiocommunication Advisory Group: Determination of coordination area for earth stations in the fixed-satellite service operating with non-geostationary satellites in the frequency bands... [4/28 - 9/35] Draft new Question [SG 4]: Feasibility of the fixed service sharing with the fixed-satellite service operating on the same frequencies in the range 30 - 52 GHz [4/29 - 9/36] Draft new Question [SG 9]: Feasibility of the fixed service sharing with the fixed-satellite service operating on the same frequencies in the range 30 - 52 GHz [4/30 - 9/37] Draft new Question [SG 9]: Sharing criteria for stratospheric high densith systems in the fixed service using the same frequency bands with systems in the fixed-satellite service [4/31 - 9/38] Draft new Question [SG 4]: Sharing criteria for stratospheric high density systems in the fixed service using the same frequency bands with systems in the fixed-satellite service [4/32 - 9/39-r1] Draft new Question for SG 4: Determination of coordination area for earth stations operating with non-geostationary satellites in the fixed-satellite service in the frequency bands shared with the fixed service [4/33 - 9/40] Draft revision of Question ITU-R 206/9: Sharing criteria for radio-relay systems with systems in the fixed-satellite service involving a large number of non-geostationary satellites in the 18.8 to 19.3 GHz and 28.6 to 29.1 GHz [4/34 - 9/41] Draft revision of Question ITU-R 237/4: Sharing criteria for systems in the fixed-satellite service involving a large number of non-geostationary satellites in the 18.8 to 19.3 GHz and 28.6 to 29.1 GHz band [4/35 - 9/42] Text to be included in Chapter 4 of the draft CPM-97 report [4/36 - 9/43] Proposed text for draft CPM-97 Report relating to FS/FSS terrestrial path sharing [4/37 - 9/44] Text for the draft CPM-97 report relating to FS/FSS slant path sharing [4/38 - 9/45] Liaison statement from Working Party 4-9S to WP 4A [4/39 - 9/46-a1] Addendum 1 to Doc. 4/39-9/46 - Questions assigned to WP 4-9S [4/39 - 9/46] Questions assigned to WP 4-9S [4/40 - 9/47] Technical criteria to be used in examinations of harmful interference [4/41 - 9/49] Summary record of joint meeting of SGs 4 and 9 (Geneva, 15 January 1997) [4/42 - 9/52] Draft new Question [SG 9]: Determination of coordination area related to the fixed service for earth stations operating with non-geostationary satellites in the fixed-satellite service [4/43] Handbook group activities - Executive report [4/44-r1] Draft revision of Rec. ITU-R 521-2: Hypothetical reference digital paths for systems using digital transmission in the fixed-satellite service [4/45-r1] Draft rev. of Rec. ITU-R S.579-3: Availability objectives for a hypothet. ref. circuit & a hypothet. ref.digital path when used for telephony using pulse code modulat. or as part of an integr. serv. digit. netwk hypothet. ref. connect. in the FSS [4/46-r1] Draft new Rec. ITU-R [4A/XP]: Sharing between feeder links for the mobile-satellite service and the aeronautical radionavigation service in the earth-to-space direction band 15.4 - 15.7 GHz [4/46] Draft new Rec. ITU-R [4A/XP]: Sharing between feeder links for the mobile-satellite service and the aeronautical radionavigation service in the earth-to-space direction in the band 15.4 - 15.7 GHz [4/47] Review of Questions assigned to WP 4A [4/48] Report of the eighth meeting of WP 4B (Geneva, 15-21 January 1997) [4/49-r1] Draft new Rec. ITU-R[4A/XB]: Maxim. permissible levels of interfer. in a satellite network(GSO/FSS; non-GSO/FSS; non-GSO/MSS feeder links)for a hypothetical ref. digital path in the FSS caused by other codirectional networks below 30 GHz [4/51-r1] Draft new Rec. ITU-R[4A/XJ]: Analytical method for estimating interference between non-geostationary mobile-satellite feeder links and geostationary fixed-satellite networks operating co-frequency and codirectionally [4/52r1] Draft new Rec. ITU-R [4A/XR]: Simulation methodology for assessing short-term interference between co-frequency, codirectional non-GSO FSS networks and other non-GSO FSS or GSO FSS networks [4/53-r1] Draft new Rec. ITU-R[4A/XO]: Sharing between feeder links for the mobile-satell. serv. & the aeronaut. radionav. serv. in the space-to-Earth direct. in the band 15.4-15.7 GHz & the protect. of the radio astronomy serv. in the band 15.35-15.4 GHz [4/54] Draft new question: Criteria for the protection of Appendix 30B plan against interference from NGSO system [4/55] Draft new Question: Interoperability of equipment for digital transmission of television news gathering via satellite (SNG) [4/56] Draft revision of Question ITU-R 81/4 [4/58-r1] Draft new Rec. ITU-R [4A/XL]: Feasibility of sharing between the inter-satellite service and the fixed-satellite service in the frequency band 50.4 - 51.4 GHz [4/59-r1] Draft new Rec. ITU-R S.[4A/XG]: Requirements and suitable bands for operation of the inter-satellite service within the range 50.2 - 71 GHz [4/60] Draft new Question sharing between the inter-satellite service, earth-exploration satellite (passive) service and other services in frequency bands above 50 GHz [4/61-r1] Draft new Rec. ITU-R [4A/XQ]: Satellite system characteristics to be considered in frequency sharing analyses between GSO and Non-GSO satellite systems in the fixed satellite-service including feeder links for the mobile-satellite service [4/62] Matherial for possible inclusion in Study Group contribution to the director of the BR and to the SCRPM on Resolution 18 (PP-94) issues [4/63] Draft new Question: Frequency sharing between systems in the fixed-satellite service and wireless digital networks around 5 GHz [4/64] Draft new Question: Design objectives for radiation patterns applicable to non-GSO/MSS feeder link earth stations operating in the 5/7 GHz band [4/65-r1] Draft revision of Rec. ITU-R S.672-3: Satellite antenna radiation pattern for use as a design objective in the fixed-satellite service employing geostationary satellites [4/66-r1] Draft new Rec. ITU-R [4A/XM]: Method for determining coordination distances, in the 5 GHz band, between the international standard MLS stations operating in the ARNS and NGSO MSS stations providing feeder uplink services [4/67-r1] Draft new Rec. ITU-R [4A/XA]: Frequency sharing of the bands 19.7 - 20.2 GHz and 29.5 - 30.0 GHz between systems in the mobile-satellite service and systems in the fixed-satellite service [4/71] Technical criteria to be used in examinations of harmful interference [4/72] Summary record of the meeting of SG 4 (Geneva, 23-24 January 1997)

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