�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
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