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Contributions to SG 4 (1998-2000)

[4/1] Questions assigned to Radiocommunication Study Group 4 by the Radiocommunication Assembly
[4/2,4A/2,4B/2,4-9S/3,4SNG/1] Questions to be brought to the attention of Study Group 4 and its Working Parties
[4/3,4A/3,4B/3,4-9S/4,4SNG/2] Recommendations, decision and opinion to be brought to the attention of Study Group 4 and its Working Parties
[4/4] Liaison statement from WP 7B to SG 4 regarding Question ITU-R 253/4
[4/5] Liaison statement from WP 7D to SG 4 - Request for information related to planned contributions to the CPM-99 report
[4/6,9/18] Draft revision of Question ITU-R 237-1/4 - Sharing criteria for systems in the fixed-satellite service involving a large number of non-geostationary satellites with systems in the fixed service for bands in the 10-30 GHz range
[4/7,9/17] Draft revision of Question ITU-R 206-1/9 - Sharing criteria for systems in the fixed service with systems in the fixed-satellite service involving a large number of non-geostationary satellites for bands in the 10-30 GHz range
[4/8,9/19] Draft revision of Question ITU-R 217/9 - Feasibility of the fixed service sharing with the fixed-satellite service operating at the same frequencies in the range 30-52 GHz
[4/9,9/20] Draft revision of Question ITU-R 250/4 - Feasibility of the fixed-satellite service sharing with the fixed service operating on the same frequencies in the range 30 - 52 GHz
[4/10, 9/21] Draft revision of Question ITU-R 218/9 - Frequency sharing criteria for systems in the fixed service using high-altitude platform stations and systems in the fixed-satellite service
[4/11, 9/22] Draft revision of Question ITU-R 251/4 - Frequency sharing criteria between systems in the fixed-satellite service and systems in the fixed service using high-altitude platform stations
[4/12, 9/23] Draft new Question [UU/9] - Sharing feasibility of stations in the fixed service with Earth stations on board vessels operating in the fixed-satellite service in the bands 3 700 - 4 200 MHz and 5 925 - 6 425 MHz
[4/13,9/24] Draft new Question ITU-R [WW/4] - Sharing feasibility of earth stations on board vessels operating in the fixed-satellite service with stations in the fixed service in the bands 3700-4200 MHz and 5925-6425 MHz
[4/14, 9/25] Draft new Question [XX/9] - Sharing criteria for point-to-multipoint systems used for fixed wireless access (FWA) in the fixed service using the same frequency band with very small aperture terminal (VSAT) systems in the fixed satellite ...
[4/15, 9/26] Draft new Question [YY/4] - Sharing criteria for very small aperture terminal (VSAT) systems in the fixed-satellite service using the same frequency band with point-to-multipoint systems used for fixed wireless access (FWA) in the fixed ...
[4/16] Draft new Recommendation ITU-R S.[4A/XS] [Doc. 4/16] - Method for calculating single entry carrier-to-interference for inter-satellite systems in geostationary orbit (Question ITU-R 239/4)
[4/17] Draft rev. of Rec. ITU-R S.1325 - Simul. method.for determ.stat.of short-term interfer.between co-freq., codirectional non-geostat.-sat.orbit (NGSO) fixed-sat.serv. (FSS) networks and other non-GSO FSS or GSO FSS or GSO FSS netw. (Q. 206-4 & 231/4)
[4/18] Draft revision of Rec. ITU-R S.1339 - Feasibility of sharing between spaceborne passive sensors of the Earth exploration-satellite service and inter-satellite links of geostationary-satellite networks in the range 54.25 to 59.3 GHz (Q. ITU-R 246/4)
[4/19] Draft rev.of Rec. ITU-R S.1328 - Sat.syst.charact.to be considered in freq.sharing analyses between geost.-sat.orbit (GSO) and non-GSO sat.syst.in the fixed-sat.serv.(FSS) including feeder links for the mob.-sat.serv. (MSS) (Q. 205/4, 206/4,231/4)
[4/19r1] Draft revision of Rec. ITU-R S.1328 - Satellite system characteristics to be considered in frequency sharing analyses between geostationary-satellite orbit (GSO) and non-GSO satellite systems in the FSS including feeder links for the MSS
[4/20] Draft Revision of Question ITU-R 206-2/4 - Sharing between non-geostationary satellite feeder links in the fixed-services used by the mobile-satellite service and other space services, and networks of the fixed-satellite service using geostationary
[4/21] Draft revision of Question ITU-R 241/4 - Technical implications of possible definition of the quasi-geostationary orbit on the fixed-satellite service using geostationary and non-geostationary orbits
[4/22] Draft new Question ITU-R [DOC. 4/22 (XXX/4)] Criteria and methodologies for sharing between the fixed-satellite service and other services with allocations in the band 40.5-42.5 GHz
[4/23] Draft new Question ITU-R [DOC. 4/23 (YYY/4)] Spectrum requirements for telemetry, tracking and control of FSS networks operating with service links in the bands above 17 GHz
[4/24] Draft new Question ITU-R [DOC. 4/24 (ZZZ/4)] Feasibility of implementing 15 GHz NGSO MSS feeder downlinks in the light of the protection requirements of the RAS in a nearby band
[4/25] Draft new Question ITU-R [DOC. 4/25] Earth station off-axix e.i.r.p. density levels in the bands above 14.5 GHz allocated to the FSS
[4/26] Draft Revision of Recommendation ITU-R S.1062-1 - Allowable error performance for a hypothetical reference digital path operating at or above the primary rate
[4/27, 4A/74, 8-1/103, 8A/53, 9D/49] Consideration of Annex 7 of Appendix S30 - Liaison statement to Special Rapporteur Group JWP 10-11S/SRG-1 and to ITU-R Study Groups 4, 8 and 9
[4/28] Draft new Rec. ITU-R [4B/XE] (S.ATM_AV) - Availability objectives for hypothetical reference digital path when used for the transmission of B-ISDN asynchronous transfer mode (ATM) in the fixed-satellite service
[4/29] Draft new Rec. ITU-R S.[4B/XC] (S.ATM) - Performance for B-ISDN asynchronous transfer mode (ATM) via satellite
[4/30] Draft new question ITU-R [Doc.4/30] - SNG user's guide
[4/31,4A/77] Liaison statement to Study Group 4 and Working Party 4A from Working Party 4SNG
[4/32, 9/29] Next meeting of Working Party 4-9S and possible draft Recommendations and Questions
[4/33, 9/30] Summary of draft new Recommendation
[4/34, 9/31] Draft new Recommendation [4-9S/AD] - Minimum propagation attenuation due to atmospheric gases for use in frequency sharing studies between the fixed-satellite service and the fixed service
[4/35,9/32] Questions assigned to WP 4-9S - Sharing between fixed-satellite service and FS
[4/36,9/33] Executive Report of the meetings of WP 4-9S
[4/37, 9/34] Draft revision to Question ITU-R 219/4 - Protection of non-geostationary satellite feeder links in the fixed-satellite service used by the mobile-satellite service from radio-relay systems in the shared frequency bands
[4/38, 9/35] Draft revision to Question ITIU-R 201/9 - Protection of radio-relay systems from non-geostationary satellite feeder links in the fixed-satellite service used by the mobile satellite service in the shared frequency bands
[4/39, 9/36] Final list of participants (Joint SGs 4 and 9 Meeting)
[4/40, 9/84] Summary Record for the joint meeting of ITU-R Study Groups 4 and 9
[4/41] Draft new Question ITU-R WWW/4 - Allowable error performance and availability degradations of fixed-satellite service systems due to interference
[4/42] Draft new Recommendation ITU-R S.[Doc. 4/42] - Interference mitigation techniques to facilitate coordination between NGSO MSS feeder links and GSO FSS networks in the bands 19.3-19.7 GHz and 29.1-29.5 GHz
[4/43] DNR ITU-R S.[Doc. 4/43]-Availability objec. for a hypothe. ref. digital path when used for the transmission of B-ISDN asynchronous transfer mode (ATM) in the fixed-satel. service by geostat. orbit satellite systems using frequencies below 15 GHz
[4/43r1]Draft new Rec. ITU-R S.[4/43]-Availability obj. for hypothetical reference digital path when used for the transmission of B-ISDN asynchronous transfer mode (ATM) in the fixed-satellite service by GSO orbit satellite systems using freq. below 15 GHz
[4/43r2] Draft new Rec. ITU-R S.[Doc. 4/43]-Avail. objectives for a hypothetical ref. digital path when used for the trans. of B-ISDN asynchronous trans. mode (ATM) in the fixed-satellite service by geostat. orbit satellite systems using freq. below 15 GHz
[4/44] Draft new Rec. ITU-R S.[Doc. 4/44] - Performance for B-ISDN asynchronous transfer mode (ATM) via satellite
[4/45] Draft new Recommendation ITU-R SNG 4SNG[Doc. 4/45] - Common operating parameters to ensure interoperability for transmission of digital television news gathering (Question ITU-R 249/4)
[4/46] Review of Questions assigned to Working Party 4SNG
[4/47] Report of the meeting of Working Party 4SNG of Radiocommunication Study Group 4
[4/48] Executive report of the meeting of Working Party 4-9S
[4/49] Report on ITU-R Working Party 4B activities for the period 1998 - 1999
[4/50] List of documents published (Docs. 4/1 - 4/50)
[4/51] Draft revision to Recommendation ITU-R S.733-1 - Determination fo the G/T ratio for earth stations operating in the fixed-satellite service
[4/51r1] Draft revision to Rec. ITU-R S.733-1 - Determination of the G/T ratio for earth stations operating in the fixed-satellite service
[4/52] Draft revision to Recommendation ITU-R S.521-3 - Hypothetical reference digital paths for systems using digital transmission in the fixed-satellite service
[4/52r1] Draft revision to Recommendation ITU-R S.521-3 - Hypothetical reference digital paths for systems using digital transmission in the fixed-satellite service
[4/53] Draft new Recommendation ITU-R S.[4/53] - Transmission considerations for digital carriers using higher levels of modulation on satellite circuits
[4/53r1] Draft new Rec. ITU-R S.[Doc. 4/53] - Transmission considerations for digital carriers using higher levels of modulation on satellite circuits
[4/54] Draft new Recommendation ITU-R S.[IWD] - Aggregate power flux-density limits, at the FSS satellite orbit for RLAN transmitters operating in the 5 150 - 5 250 MHz band sharing frequencies with the fixed-satellite service
[4/54r1] Draft new Rec. ITU-R S.[Doc. 4/54] - Aggregate power flux-density limits, at the FSS satellite orbit for RLAN transmitters operating in the 5 150 - 5 250 MHz band sharing frequencies with the fidxed-satellite service (S5.447A)
[4/55]Draft new Rec.ITU-R S.EPINT-Error performance obj. due to internetwork interf. between GSO & NGSO fixed satellite service systems for hypothetical reference digital paths operating at or above primary rate carried by systems using freq. below 50 GHz
[4/56] Draft new Recommendation ITU-R S.[Doc. 4/56] - Methodology and criterion to assess interference from RLAN transmitters to Non-GSO MSS feeder links in the band 5 150 - 5 250 MHz
[4/57] Draft new Recommendation ITU-R [4/57] - Reference FSS earth-station radiation patterns for use in interference assessment involving Non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz
[4/57r1] Draft new Recommendation ITU-R S.[Doc. 4/57] - Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz
[4/58] Modification to Recommendation ITU-R S.1328
[4/58r1] Modification to Recommendation ITU-R S.1328
[4/59] Draft new Recommendation S.EPINT - Error performance objectives due to internetwork interference between GSO and Non-GSO fixed-satellite service systems for hypothetical reference digital paths operating at or above the primary rate carried by ...
[4/59r1] Draft new Rec.ITU-R S.[Doc. 4/59]-Error perform. obj. due to Internetwork interfer. between GSO and non-GSO fixed-sat. service systems for hypothet. ref. digital paths oper'g at or above the primary rate carried by systems using freq. below 15GHz
[4/60] Draft new Recommendation - Determination of the coordination area for earth stations operating with non-geostationary space stations with respect to earth stations operating in the reverse direction in frequency bands allocated bidirectionally to ..
[4/60r1] Draft new Rec.ITU-R S.[Doc.4/60] Determin'n of the coordin'n area for earth stations operating with non-geo. space stations with respect to earth stats. operating in the rev. direction in freq. bands alloc. bidirectionally to the fixed-sat.service
[4/61] Draft revision to Recommendation ITU-R S.1325 - Simulation methodologies for determining statistics of short-term interference between co-frequency, codirectional non-geostationary-satellite orbit (NGSO) fixed-satellite service (FSS) networks and...
[4/61r1] Draft revision to Rec. ITU-R S.1325 - Simulation methodologies for determining statistics of short-term interference between co-frequency, co-directional NGSO fixed-satellite service (FSS) networks and other non-GSO FSS or GSO FSS networks
[4/62] Draft new Question ITU-R XX/4 - Allowable noise in fixed-satellite service systems due to interference
[4/63] Draft new Question ITU-R YY/4 - Allowable error performance and availability degradations of fixed-satellite service systems due to long and short-term effects
[4/64] Proposed amendment to Recommendation ITU-R S.1257 - Analytical method to calculate short-term visibility and interference statistics for non-geostationary satellite orbit satellites as seen from a point on the Earth's surface
[4/64r1] Draft mod. to Rec. ITU-R S.1257 - Analytical method to calculate short-term visibility and interference stats for non-geostationary satellite orbit satellites as seen from a point on the earth's surface
[4/65] Draft new Recommendation ITU-R S.[Doc. 4/65] - Methods to enhance sharing between Non-GSO FSS Systems (except MSS feeder links) in the frequency bands between 10-30 GHz
[4/65r1] Draft new Rec. ITU-R S.[Doc. 4/65] - Methods to enhance sharing between non-GSO FSS systems (except MSS feeder links) in the frequency bands between 10 - 30 GHz
[4/66] Revision of Recommendation ITU-R S.524-5 - Maximum permissible levels of off-axis E.I.R.P. density from earth stations in GSO network operating in the fixed-satellite service transmitting in the 6, 14 and 30 GHz frequency bands
[4/66r1] Draft rev. to Rec. ITU-R S.524-5 - Max. permissible levels of off-axis e.i.r.p. density from earth stations in GSO networks operating in the fixed-satellite service transmitting in the 14 and 30 GHz frequency bands
[4/67] Draft new Recommendation ITU-R S[IAL] - Apportionment of the allowable error performance degradations to fixed-satellite service hypothetical reference digital paths arising from time invariant interference for systems operating below 15 GHz
[4/67r1] Draft new Rec. ITU-R S.[Doc.4/67] - Apportionment of the allowable error performance degreadations to fixed-satellite service hypothetical reference digital paths arising from time invariant interference for systems operating below 15 GHz
[4/68] Draft new Recommendation - Equivalent power flux-density EPFDup and EPFDis
[4/68r1] Draft new Recommendation ITU-R S.[Doc. 4/68] - Equivalent power flux-density EPFDup and EPFDis
[4/69-P1] Draft revision of Recommendation ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; Non-GSO/FSS; Non-GSO/MSS feeder links)* in the fixed-satellite service caused by other codirectional networks below 30 GHz
[4/69-P2] Draft revision of Recommendation ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; Non-GSO/FSS; Non-GSO/MSS feeder links)* in the fixed-satellite service caused by other codirectional networks below 30 GHz
[4/69r1] Part 1 - Draft revision of Rec. ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; non-GSO/FSS; non-GSO/MSS feeder links) in the fixed-satellite service caused by other codirectional networks below 30 GHz
[4/69r1] Part 2 - Draft revision of Rec. ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; non-GSO/FSS; non-GSO/MSS feeder links) in the fixed-satellite service caused by other codirectional networks below 30 GHz
[4/69r2] Draft revision of Rec. ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; non GSO/FSS; non-GSO/MSS feeder links) in the fixed-satellite service caused by other codirectional networks below 30 GHz
[4/70] Draft new Question - Performance objectives of digital links in the fixed-satellite service for transmission of IP packets
[4/71] Final list of participants - Study Group 4 - 5-7 May 1999
[4/72] Summary record of the First Session of Study Group 4
[4/73] Summary Record of the Second Meeting of SG 4
[4/74c1] Report of the fourth meeting of JTG 4-9-11 (Geneva, 26 May - 1 June 1999)
[4/74-1] Report of the fourth meeting of JTG 4-9-11 - Geneva, 26 May - 1 June
[4/74-2] Report of the fourth meeting of JTG 4-9-11 - Geneva, 26 May - 1 June
[4/75] Handbook Group Activity Report - Publication of Edition 3 of the "Handbook on satellite communications (FSS)"
[4/76] Draft new Recommendation ITU-R S.[Doc. 4/76] - Measurement procedure for determining non-GSO satellite e.i.r.p. and antenna discrimination
[4/77] Draft new Recommendation ITU-R S.[Doc. 4/77] - GSO/GSO FSS network coordination identification
[4/78] Draft revision of Recommendation ITU-R S.1257-1 - Analytical method to calculate visibility statistics for non-geostationary satellite orbit satellites as seen from a point on the earth's surface
[4/79] Draft mod. of Rec. ITU-R S.1328 - Satellite system characteristics to be considered in frequency sharing analyses between GSO and non-GSO satellite systems in the FSS including feeder links for the MSS
[4/80] Draft revision of Rec. ITU-R S.1428 - Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHs and 30 GHs
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