Contributions to WP 9A (1998-2000)

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Contributions to WP 9A (1998-2000)


[9A/1] Documents to be considered in the 1998-99 study period
[9A/2] Report of the Special Rapporteur of Working Party 9A to Study Group 3
[9A/3,9B/3,9C/2,9D/5] Questions to be brought to the attention of Study Group 9 Working Parties
[9A/4,9B/4,9C/3,9D/6] Recommendations to be brought to the attention of Study Group 9 Working Parties
[9A/5] Reply to liaison "unavailability for digital radio-relay systems"
[9A/6] Consideration of establishing BIS and maintenance objectives for SDH regenator sections in Recommendation for SDH regenerator sections in Recommendation M.2101.1
[9A/7] Information about the status of work performed under Question 16/13
[9A/8] Report by the Special Rapporteur of WP 9A to ITU-T Study Group 13 (WP 4) on availability performance
[9A/9] Report by the Special Rapporteur to the Working Party 9A on bringing into service and maintenance issues
[9A/10] Proposal for the work of a draft new Rec. - Operational experiences of interference from radar systems into systems in the fixed service
[9A/11] ATM Cell transfer performance through digital radio-relay systems
[9A/12] Preliminary draft revision of Rec. ITU-R F.1097 - Interference mitigation options to enhance compatibility between radar systems and digital radio-relay systems
[9A/13] Performance of ATM cell transport through digital radio-relay systems
[9A/14] Proposed revision to Preliminary Draft New Recommendation - Error performance parameter and objective for real digital radio relay link at or above the primary forming part of international portion of hypotetical reference path
[9A/15] Radar interference from moving platforms; identification of ships causing error bursts in 4 GHz digital radio links crossing shipping lanes
[9A/16] Unavailability defined by ITU-R Recommendations and by ITU-R Recommendation G.827
[9A/17 ] Proposed modification of Recommendation ITU-R F.1330 - Performance limits for bringing into service of the parts of international PDH and SDH paths and sections implemented by digital radio-relay systems
[9A/18] Liaison statement to Study Groups 4, 7, 8, 9, 10, 11
[9A/19] Comments on proposals from ITU-T SG 13 concerning Rec. ITU-T G.827 - Availability parameters and objectives for path elements of international constant bit rate digital paths at or above the primary rate
[9A/20] Comments on proposals from ITU-T SG 13 concerning the new Rec. ITU-T G.826-1 - Error performance parameters and objectives for international synchronous digital paths
[9A/21] PDNR - Performance degrad. due to interfer. from other serv. sharing the same freq. bands on a prim. basis with digit. radio-relay syst. operat. at/above the prim. rate & which may form part of the national portion of a 27500 km hypoth. ref. path
[9A/23] Transmittal of Document 9B/9 to Working Party 9A
[9A/23R1] Transmittal of Doc. 9B/9 to WP 9A
[9A/24,9D/44] Liaison statement to Working Party 9A and for information to Working Party 9D
[9A/25] Reply to liaison statement from Working Party 9A by Working Party 8B - Comments on revised Recommendation ITU-R M.1177
[9A/26] Report of the meeting of Working Party 9A - Geneva, 3-11 March 1998
[9A/27] Liaison statement to WP 9A - Derivation of interference criteria applied to non-GSO fixed-satellite service sharing with the fixed service in the 11GHz and 18 GHz bands
[9A/28] Liaison statement to ITU-T SG 13 WP 4/13, ITU-R WP 9A - Relationship between ITU-T Rec. G.826 and Rec. I.356
[9A/29] Liaison statement from WPs 3J and 3M to WP 9A concerning number of unavailability events due to propagation in evaluation period
[9A/30] Liaison statement from WP 3M to WP 9A concerning prediction of error performance and availability on SDH radio links
[9A/31,9B/53,9D/54,8A/56] Liaison statement to Working Parties 8A, 9A, 9B and 9D - Information pertaining to frequency sharing between stations in the mobile and fixed services below 1 GHz and NGSO mobile earth stations
[9A/32,4B/27] Liaison statement on draft Recommendation I.380 - Determination of draft Recommendation I.380 (ex- I.351P) "Internet protol data communication service - IP packet transfer and availability performance parameters"
[9A/33,4B/28] Liaison statement on Recommendations G.826 and I.356 - Relationship between error performance and ATM cell transfer performance, prolonged performance evaluation period
[9A/34] Liaison statement on Recommendation G.877 - Reply to liaison "On ITU-T Recommendation G.827"
[9A/35] Liaison statement on draft new Recommendation G.829 - SES threshold for STM-1 SDH multiplex
[9A/36] Prediction and measurement of error performance and availability of line-of-sight SDH radio links
[9A/37] Liaison statement from ITU-T Study Group 4 (WP 2/4) - Development on a new Recommendation under ITU-R Question 161-3/9
[9A/38,4A/93,7C/58,8A/61,8B/46,8D/88] Liaison statement to Working Parties 4A, 7C, 8A, 8B, 8D and 9A - Measurement of spurious emission limits in the radiated field
[9A/39] Contribution toward the derivation of interference criteria applied to non-GSO fixed-satellite service sharing with the fixed service in the bands 11, 18 and 38 GHz
[9A/40] Liaison statement to Working Party 9A
[9A/41,3M/57] Liaison statement to Working Parties 3M and 9A
[9A/44,9B/62,9D/62,11C/41,10-11S/60,1-5/95,4A/100,4B/30,4-9S/50,4-9-11/212,7D/46,8-1/117,8B/50,8D/98] Agenda for the World Radiocommunication Conference (WRC-2000)
[9A/45] Performance improvement by BIT interleave technique (BIT)
[9A/46] Report by the Special Rapporteur of Working Party 8A in ITU-T Study Group 13 , Working Party 4, on availability performance
[9A/47] Working document for the preparation of two draft preliminary new Recommendations, ITU-R F.AIPER and F.ANPER - Measured relationship between rain attenuation, number of events and mean duration of events
[9A/48,4-9S/INFO/2] Performance degradation due to interference from non-GSO satellite systems sharing the same frequency bands with digital radio-relay systems
[9A/49] Preliminary draft revision of Rec. ITU-R F.1097 - Interference mitigation options to enhance compatibility between radar systems and digital radio-relay systems
[9A/50] Amendments to preliminary draft new Recommendation ITU-R F.EPRLI
[9A/51] Report on Question 16/13 (Transmision Error Performance) (Geneva Meeting 1 - 12 June 1998)
[9A/52] Working document for the preparation of a new Recommendation: Prediction method for designing digital line-of-sight microwave radio systems in a multipath fading environment
[9A/53] Possible contribution to ITU-T Draft Recommendation G.828 - Error performance parameters and objectives for international, constant bit rate synchronous digital paths
[9A/54] Framework for a preliminary draft new Recommendation - Maximum permissible levels of interference in systems in the fixed service caused by space stations of non-GSO FSS systems operating in the same frequency band in the 11 and 18 GHz bands
[9A/55] Unavailability events in 40 GHz bands
[9A/56] Report from the Coordinators
[9A/57] Report on Working Party 3M activity in 1998
[9A/58,9D/83,4-9-11/213] Liaison statement to Working Party 9A (and for information to Working Party 9D and JTG 4-9-11) - Implications of automatic transmit power control on interference from NGSO FSS systems into FS systems in the 11 GHz and 18 GHz bands
[9A/60] Amendment to the preliminary draft new Recommendation ITU-R F.EPRLI "Error performance objectives for real digital radio links used in the international portion of a 27 500 km hypothetical reference path"
[9A/61] Impact of the new Recommendation ITU-T G.828 - "Error performance parameters and objectives for international synchronous digital paths" on paths based on DRRS
[9A/62] Comments on the preliminary draft new Recommendation ITU-R F.AIPER and F.ANPER
[9A/63] Draft revision of Question ITU-R 210/9 - Error performance objectives for digital radio-relay sections operating at or above the primary rate of the digital hierarchy
[9A/64] Draft Revision of Recommendation ITU-R F.1097 - Operational experience of radar interference to digital radio-relay systems
[9A/65,9B/56c1] Liaison statement from JRG 8A-9B to WP 9A
[9A/66, 4A/187, 4-9-11/214] Liaison statement to Working Party 4A (and for information to WP 9A and JTG 4-9-11)
[9A/67] Liaison statement to WP 9A
[9A/68] Document 9B/56+Corr.1 submitted to WP 9A for consideration
[9A/69,4-9-11/215] Liaison statement to JTG 4-9-11 (and for information to Working Party 9A)
[9A/70] Report of the meeting of WP 9A (Geneva, 5-13 October 1998)
[9A/70A1] Liaison statement to WP 3M and JRG 3M-9A and for information to WP 4-9S
[9A/71,9B95] Liaison statement to WPs 9A, 9B and 9D on models for analysing co-frequency sharing between stations in the fixed service and mobile earth stations in the non-GSO MSS below 1 GHz
[9A/72] Criteria for performance degradation due to interference from non-GSO satellite systems sharing the same frequency bands with digital radio-relay systems
[9A/73] Revision of preliminary draft Recommendation F. ANPER on availability for national portion
[4-9-11/74] Revision of preliminary draft new Rec. F.AIPER on availability for international portion
[9A/75,4-9S/101] Liaison statement to WP 4-9S and for information to WP 9A PFD limits applied to non-GSO Fixed Satellite Service sharing with the Fixed Service in the 11/12 GHz and 18 GHz bands
[9A/76] Proposal for a preliminary draft new Recommendation [Doc. 9/61]
[9A/77,4B/49] Approval of new ITU-T-Recommendation I.380 -"Internet protocol data communication service - IP packet transfer and availability performance parameters"
[9A/78,4B/50] Liaison statement to WPs 9A and 4B - Reply to liaison on ITU-T Rec. G.827
[9A/79,4B/51] Information about the progress made on ITU-T Recommendations G.821.1, G.826, G.828 and G.829
[9A/80] Draft amendment to preliminary draft revision of Recommendation ITU-R F.1097
[9A/81] Draft amendment to Appendix 1 to Annex 1, of preliminary draft revision of Recommendation ITU-R F.1097
[9A/82] Preliminary draft Appendix 2 to Annex 1, of preliminary draft revision of Recommendation ITU-R F.1097
[9A/83] Preliminary draft Appendix 3 to Annex 1, of preliminary draft revision of Recommendation ITU-R F.1097
[9A/84] Liaison statement from Working Party 3M to Working Party 9A concerning number of fade events and fade duration statistics
[9A/85] Liaison statement from WP 3M to WP 9A concerning guidance for determining interference occurrences due to propagation events less than 10 seconds in duration in the 18 GHz band
[9A/86] Liaison statement from WP 3M to WP 9A concerning SDH performance prediction
[9A/87] Considerations about the amount of Radar range reduction caused by the introduction of spurious suppression filters
[9A/88] BIT interleaving technique (BIT)
[9A/89,9B/105,9C/31] Alternative procedure for the approval of Questions and Recommendations
[9A/90] An example of suppression of spurious emissions of radar systems by means of filters
[9A/91] Reply to liaison statement of Working Party 9A - Comments on Recommendation ITU-R M.1177
[9A/92] Draft new Report - Prediction method for designing digital line-of-sight microwave radio systems in a multipath fading environment
[9A/92A1] Draft new Report - Prediction method for designing digital line-of-sight microwave radio systems in a multipath fading environment
[9A/93, 9B/109] Review of the relationship of antenna elevation angle, fade margin and corresponding susceptibility to interference for subscriber links of FS point-to-multipoint systems in the band 37.0 - 40.0 GHz
[9A/94] Proposed interference criteria to protect the fixed service in sharing with non-gso fixed-satellite service in the 37.5 - 40 GHz band
[9A/95] Proposed replacement of the preliminary draft new Recommendation [9A/NGSO]
[9A/96] Proposed replacement of the preliminary draft new Recommendation [9A/NGSO] - Aggregate fixed service protection criteria in the 18 GHz range
[9A/97] FS interference criteria in the 38 and 40 GHz bands
[9A/98] Amendment to draft new Report [9A/NGSO-I] on performance degradation due to interference from non-GSO satellite systems sharing the same frequency bands with digital radio-relay systems
[9A/99] Framework for prel.draft new Rec.-Performance degrad.due to interference from other serv. sharing the same freq.bands with real dig.radio-relay links used in the intern.and nat.portions of a 27 500km hypoth.ref.path at or above the primary rate
[9A/100] Report on WP 3M activities in 1999
[9A/101] Requirements for error performance objectives for radio relay links not forming parts of multiplex sections in the draft new Recommendation ITU-R F.[1397 (Doc. 9/BL/10)] and preliminary draft new Recommendation ITU-R F.[1397 (Doc. 9/BL/10)]
[9A/102,4-9S/112] An assessment of slant-path interference from non-GSO satellites into fixed service receivers using ATPC in the 10.7 to 11.7 GHz band
[9A/103] Proposal for a draft new Question ITU-R XXX/9 - Performance and availability objectives for access part of networks forming all or partly by fixed radio systems
[9A/104,4-9S/113] Consideration of sensitive FS links in the establishment of FS protection criteria in the 18.8 - 19.3 GHz band
[9A/105] Factors for consideration in slant path interference studies between the fixed service and non-GSO FSS in the band 17.7-19.3 GHz
[9A/105R1, 4-9S/119] Factors for consideration in slant path interference studies between the fixed service and non-GSO FSS in the band 17.7-19.3 GHz
[9A/106] List of documents issued
[9A/107] Interference in a radio-relay link from radar spurious emissions. A case study
[9A/108,4B/54] Liaison statement to WPs 4B and 9A - Work performed under ITU-T's Questions 8/4 and 9/4
[9A/109] Chairman's report of the meeting of Working Party 9A (Geneva, 12-20 April 1999)
[9A/110] Liaison statement to Working Party 9A concerning earth stations located on board vessels operating in FSS networks in bands 3 700 - 4 200 and 5 925 - 6 425 MHz
[9A/111,4B/67,8-1/425] Liaison statement to WPs 4B and 9A and TG 8/1 - Development of Quality of Service (QoS) Recommendations
[9A/112] Liaison statement to ITU-R Working Party 9A on Recommendation M.2101
[9A/113, 8A-9B/178] Liaison statement - Progress on IP performance recommendations
[9A/114] Liaison statement to WP 9A - Availability objectives in ITU-R Recommendations
[9A/115, 4B/68] Liaison statement to WP 9A - Status of draft new Recommendations G.828 and G.829
[9A/116, 4B/71] Liaison statement to ITU-R Working Parties 4B and 9A - Determination of draft new Recommendation M.13sdh
[9A/117, 4B/72] Liaison statement to ITU-R WPs 4B and 9A - Reply to liaison statement on Recommendation M.2101
[9A/118] Liaison statement to Working Party 9A on development of quality service (QoS) Recommendations
[9A/119, 4B/76] Liaison statement to ITU-R Working Parties 4B and 9A - Status of ITU-T Recommendations G.828 and G.829
[9A/120, 4B/77, 8A-9B/204] Liaison statement to ITU-R Working Parties 4B and 9A and JRG 8A-9B - IP performance and availability objectives and allocations