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TR 21.01u
Requirements for the UMTS Terrestrial Radio Access (UTRA) system

3GPP‑Page
V3.0.1 (PDF)  1997/11  25 p.
Rapporteur:
Dr. Moulsley, Tim

full Table of Contents for  TR 21.01U  PDF version:   3.0.1

1Scope  p. 6
2References  p. 6
3Abbreviations and definitions  p. 7
3.1Abbreviations  p. 7
3.2Definitions  p. 7
4Bearer capabilities  p. 8
4.1Maximum user bit rate  p. 8
4.1.1Bearer Service Attributes  p. 8
4.2Flexibility  p. 9
4.2.1Minimum bearer capabilities  p. 10
4.2.2Service traffic parameters  p. 10
4.2.3Performance  p. 11
4.2.4Configuration management  p. 11
4.2.5Evolution and modularity  p. 11
4.3Handover  p. 11
4.3.1Overall handover requirements  p. 12
4.3.2Handover requirements with respect to the radio operating environments  p. 12
5Operational requirements  p. 12
5.1Compatibility with services provided by present core networks  p. 12
5.2Operating environments  p. 13
5.2.1Support of multiple radio operating environments  p. 13
5.2.2Support of multiple equipment vendors  p. 13
5.3Radio Access network planning  p. 13
5.4Public, Private and residential operators  p. 14
5.4.1Public UMTS operators  p. 14
5.4.2Private UMTS operators  p. 14
5.4.3Residential UMTS operators  p. 14
6Efficient spectrum usage  p. 15
6.1Spectral Efficiency  p. 15
6.2Variable asymmetry of total band usage  p. 15
6.3Spectrum utilisation  p. 15
6.4Coverage/capacity  p. 15
6.4.1Development and implementation risk  p. 16
6.4.2Flexibility of radio network design  p. 16
6.4.2.1Cell size flexibility  p. 16
6.4.2.2Cell location flexibility  p. 16
6.4.4Synchronisation  p. 16
6.4.5Repeaters and relays  p. 16
6.4.5.1Vehicle with mobile BS operating environment  p. 17
6.4.6Very large cell sizes  p. 17
6.4.7Evolution requirements  p. 17
6.4.7.1Coverage evolution  p. 17
6.4.7.2Capacity evolution  p. 17
7Complexity / cost  p. 18
7.1Mobile Terminal viability  p. 18
7.2Network complexity and cost  p. 18
7.3Mobile Station types  p. 19
8Requirements from bodies outside SMG  p. 19
8.1Alignment with IMT 2000  p. 19
8.2Minimum bandwidth allocation  p. 19
8.3Electromagnetic compatibility  p. 20
8.4RF Radiation effects  p. 20
8.5Security  p. 20
8.6Co-existence with other systems  p. 20
9Multimode terminal capability  p. 21
10Services supported by the radio interface  p. 21
10.1Location service  p. 21
AReference Model for Transmission Delay  p. 22
BBibliography  p. 23
CDocument history  p. 24

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