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ITU-R R23-WP4C C

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Efficient Orbit/Spectrum Utilization for MSS and RDSS

Results:53 total items.

Result page: 1 - 2 - Next

Contributions [ Source: Japan ]
	Number	Title	Source	AI/Question	Date
	[ 654 ]	Proposed updates on studies for technical characteristics and operational objectives of emerging RNSS systems	Japan		2026-04-10
	[ 653 ]	Proposed updates on working document on sharing and compatibility studies under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 652 ]	Interference management for non-geostationary satellite-based DC-MSS-IMT systems	Japan	AI1.13	2026-04-10
	[ 651 ]	Sharing and compatibility studies between broadcasting services (BS) and DC-MSS-IMT system in the frequency band 698-960 MHz under agenda WRC-27 item 1.13	Japan	AI1.13	2026-04-10
	[ 650 ]	Sharing and compatibility studies between Intelligent Transport Systems (ITS) and DC-MSS-IMT system in the frequency band 698-960 MHz under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 649 ]	Sharing and compatibility studies between fixed services (FS) and DC-MSS-IMT system in the frequency band 698-960 MHz under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 648 ]	Sharing and compatibility studies between Aeronautical Mobile Services (AMS) and DC-MSS-IMT system in the frequency band 1 710-1 970 MHz under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 647 ]	Sharing and compatibility studies between meteorological-satellite services (MetSat) and DC-MSS-IMT system in the frequency band 1 710-1 970 MHz under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 646 ]	Sharing and compatibility studies between fixed services (FS) and DC-MSS-IMT system in the frequency band 1 710-1 970 MHz and 2 110-2 170 MHz under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 645 ]	Satellite beam placement in DC-MSS-IMT systems	Japan	AI1.13	2026-04-10
	[ 644 ]	Evaluation of interference to terrestrial IMT user equipment in neighbouring areas from the DC-MSS-IMT system using Single-Input Single-Output (SISO) and Multiple-Input Multiple-Output (MIMO) configurations, operating in the 698-960 and 1 710-1 970 MHz band	Japan	AI1.13	2026-04-10
	[ 643 ]	Sharing and compatibility study between terrestrial IMT and DC-MSS-IMT in the frequency band of 694/698 - 960?MHz including considering on aggregation factor	Japan	AI1.13	2026-04-10
	[ 642 ]	Updating of the working document on the sharing and compatibility study between terrestrial IMT and DC-MSS-IMT	Japan	AI1.13	2026-04-10
	[ 641 ]	Proposed modification of working document towards draft CPM text for WRC-27 agenda item 1.13 and liaison statement to Working Party 5D	Japan	AI1.13	2026-04-10
	[ 640 ]	Proposed updates to sharing and compatibility studies between incumbent MSS systems and DC-MSS-IMT systems in the 2.5/2.6 GHz frequency bands under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 639 ]	Proposals on sharing studies between HIBS and DC-MSS-IMT under WRC-27 agenda item 1.13	Japan	AI1.13	2026-04-10
	[ 638 ]	Proposals on sharing studies between HIBS and MSS (Earth-to-space) in the frequency band 2 010-2 025 MHz under WRC-27 agenda item 1.14	Japan	AI1.14	2026-04-10
	[ 637 ]	Proposals on sharing studies under WRC-27 agenda item 1.12	Japan	AI1.12	2026-04-10
	[ 636 ]	Proposed modification to the documents regarding WRC-27 agenda item 1.11	Japan	AI1.11	2026-04-10
	[ 635 ]	Proposed updates on working document towards a preliminary draft new Report ITU-R M.[RES.609] - Potential mitigation methods to ensure the aggregate equivalent power flux-density (epfd) limit on radionavigation-satellite service (RNSS) systems and networks operating in the 1 164-1 215 MHz band, from resolves 1 of Resolution 609 (Rev.WRC-07), is not exceeded	Japan		2026-04-10
	[ 554 ]	Proposed modification of working document towards draft CPM text for WRC-27 agenda item 1.13	Japan , France	AI1.13	2026-04-06
	[ 481 ]	Proposal on a draft reply liaison statement to Working Party 5D under WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 480 ]	Consideration on calculation of aggregate interference from MSS space stations and proposed updating on working document under WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 479 ]	Proposed working document towards draft CPM text for WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 478 ]	Proposed updates to working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment	Japan		2025-10-03
	[ 477 ]	Proposed updates to sharing and compatibility studies between incumbent MSS systems and DC-MSS-IMT systems in the 2.5/2.6 GHz frequency bands under WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 476 ]	Proposals on sharing studies between HIBS and MSS (Earth-to-space) in the frequency band 2 010-2 025 MHz under WRC-27 agenda item 1.14	Japan	AI1.14	2025-10-03
	[ 475 ]	Proposals on sharing studies between HIBS and DC-MSS-IMT under WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 474 ]	Proposals on sharing studies under WRC-27 agenda item 1.12	Japan	AI1.12	2025-10-03
	[ 473 ]	Proposed updates on studies for technical characteristics and operational objectives of emerging RNSS systems	Japan		2025-10-03
	[ 472 ]	Proposed updates on working document on sharing and compatibility studies under WRC-27 agenda item 1.13	Japan	AI1.13	2025-10-03
	[ 471 ]	Proposal for draft revision to Recommendation ITU-R M.1787 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz	Japan	Q288/4, Q217-2/4	2025-10-03
	[ 352 ]	Elements for the Handbook on satellite communications and technologies	Japan		2025-04-11
	[ 327 ]	Consideration on calculation of aggregate interference from MSS space stations under WRC-27 agenda item 1.13 and a draft reply liaison statement to Working Party 5D	Japan	AI1.13	2025-04-11
	[ 326 ]	Proposed update to working document on technical and operational characteristics of MSS for direct communication with IMT user equipment	Japan	AI1.13	2025-04-11
	[ 325 ]	Proposed updates to working document on initial consideration on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment	Japan	AI1.13	2025-04-11
	[ 324 ]	Proposed modifications to working document towards a preliminary draft revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile-satellite service (MSS) and other services	Japan		2025-04-11
	[ 323 ]	Sharing and compatibility studies between the incumbent MSS systems and the envisaged MSS systems for direct connectivity in the 2.5/2.6 GHz frequency bands	Japan	AI1.13	2025-04-11
	[ 322 ]	Proposed updates on studies for technical characteristics and operational objectives for emerging RNSS systems	Japan	AI2.9	2025-04-11
	[ 321 ]	Proposal for reply liaison statement to Working Party 5B on RNSS-AM(R)S matters	Japan		2025-04-11
	[ 320 ]	Proposed modifications on working document regarding WRC-27 agenda item 1.12	Japan	AI1.12	2025-04-11
	[ 138 ]	Proposed new study on technical characteristics and operational objectives for emerging RNSS systems	Japan	AI2.9	2024-09-26
	[ 137 ]	Proposal for modification of preliminary draft revision to Recommendation ITU-R M.1787 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz	Japan	Q288/4, Q217-2/4	2024-09-26
	[ 136 ]	Incumbent MSS system characteristics in the 2.5/2.6 GHz frequency bands for sharing and compatibility studies in preparation for WRC-27 agenda item 1.13	Japan	AI1.13	2024-09-26
	[ 135 ]	Proposed updating working document toward supporting WRC-27 agenda item 1.13	Japan	AI1.13	2024-09-26
	[ 134 ]	Considerations for frequency selection of satellite direct communications taking account of way to conduct sharing and compatibility studies with terrestrial IMT systems on WRC-27 agenda item 1.13	Japan	AI1.13	2024-09-26
	[ 133 ]	Proposed roles/responsibilities for technical and regulatory studies concerning WRC-27 agenda item 1.13	Japan	AI1.13	2024-09-26
	[ 31 ]	Proposed frequency bands to be studied under WRC-27 agenda item 1.13	Japan	AI1.13	2024-04-10
	[ 30 ]	Proposed work plan for WRC-27 agenda item 1.13	Japan	AI1.13	2024-04-10
	[ 29 ]	Proposed draft reply liaison statement to Working Party 5D concerning WRC-27 agenda item 1.13	Japan	AI1.13	2024-04-10
Results:53 total items. Result page: 1 - 2 - Next

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