CONTENTS - RECOMMENDATION ITU-R M.1036-2 - Frequency arrangements for implementation of the terrestrial component of International Mobile Telecommunications-2000 (IMT-2000) in the bands* 806-960 MHz**, 1 710-2 025 MHz, 2 110-2 200 MHz and 2 500-2 690 MHz

1     Introduction
2     Scope
3     Objectives
4     Related Recommendations
5     Considerations
Regarding spectrum band/frequency usage
Regarding traffic aspects
Regarding technology aspects
Regarding other aspects
6     Recommendations
        6.1     Frequency arrangements
                  6.1.1     Paired frequency arrangements in the band 806-960 MHz
                  6.1.2     Frequency arrangements in the band 1 710-2 200 MHz
                  6.1.3     Scenarios for frequency arrangements in the band 2 500-2 690 MHz
        6.2     Traffic asymmetry implications
        6.3     Segmentation of the spectrum
        6.4     Duplex arrangement and separation
        6.5     Frequency availability
Annex 1 Satellite component sharing issues
Annex 2 Technology solutions to support traffic asymmetry
1     Background
2     What is asymmetry?
3     Service mix in IMT-2000 systems
4     Technical aspects
        4.1     Frequency band asymmetry
        4.2    Time slot allocation asymmetry
        4.3     FDD or TDD duplex arrangement combined with other technologies
5     Comparison of the various methods to provide asymmetric traffic capability
        5.1     FDD scheme with symmetrical spectrum allocation
        5.2     FDD scheme with asymmetrical spectrum allocation
        5.3     TDD scheme
        5.4     Comparison of the alternative technologies to provide asymmetric traffic capability
Annex 3 Factors that impact the size of the centre gap
Centre gap