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

3GPP‑Page fToC_↓

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

1 Scope p. 6

2 References p. 6

3 Abbreviations and definitions p. 7

3.1 Abbreviations p. 7

3.2 Definitions p. 7

4 Bearer capabilities p. 8

4.1 Maximum user bit rate p. 8

4.1.1 Bearer Service Attributes p. 8

4.2 Flexibility p. 9

4.2.1 Minimum bearer capabilities p. 10

4.2.2 Service traffic parameters p. 10

4.2.3 Performance p. 11

4.2.4 Configuration management p. 11

4.2.5 Evolution and modularity p. 11

4.3 Handover p. 11

4.3.1 Overall handover requirements p. 12

4.3.2 Handover requirements with respect to the radio operating environments p. 12

5 Operational requirements p. 12

5.1 Compatibility with services provided by present core networks p. 12

5.2 Operating environments p. 13

5.2.1 Support of multiple radio operating environments p. 13

5.2.2 Support of multiple equipment vendors p. 13

5.3 Radio Access network planning p. 13

5.4 Public, Private and residential operators p. 14

5.4.1 Public UMTS operators p. 14

5.4.2 Private UMTS operators p. 14

5.4.3 Residential UMTS operators p. 14

6 Efficient spectrum usage p. 15

6.1 Spectral Efficiency p. 15

6.2 Variable asymmetry of total band usage p. 15

6.3 Spectrum utilisation p. 15

6.4 Coverage/capacity p. 15

6.4.1 Development and implementation risk p. 16

6.4.2 Flexibility of radio network design p. 16

6.4.2.1 Cell size flexibility p. 16

6.4.2.2 Cell location flexibility p. 16

6.4.4 Synchronisation p. 16

6.4.5 Repeaters and relays p. 16

6.4.5.1 Vehicle with mobile BS operating environment p. 17

6.4.6 Very large cell sizes p. 17

6.4.7 Evolution requirements p. 17

6.4.7.1 Coverage evolution p. 17

6.4.7.2 Capacity evolution p. 17

7 Complexity / cost p. 18

7.1 Mobile Terminal viability p. 18

7.2 Network complexity and cost p. 18

7.3 Mobile Station types p. 19

8 Requirements from bodies outside SMG p. 19

8.1 Alignment with IMT 2000 p. 19

8.2 Minimum bandwidth allocation p. 19

8.3 Electromagnetic compatibility p. 20

8.4 RF Radiation effects p. 20

8.5 Security p. 20

8.6 Co-existence with other systems p. 20

9 Multimode terminal capability p. 21

10 Services supported by the radio interface p. 21

10.1 Location service p. 21

A Reference Model for Transmission Delay p. 22

B Bibliography p. 23

C Document history p. 24