TR 102 021-4-2011
Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 4: Air Interface Enhancements (V1.4.1)

Standard No.

TR 102 021-4-2011

Release Date

2011

Published By

ETSI - European Telecommunications Standards Institute

Latest

TR 102 021-4-2011

Scope

The present document provides the User Requirement Specifications (URS) for the TETRA air interface enhancements translated into terms of: ? network performance aspects; ? terminal performance aspects; ? location information aspects. The present document is applicable to the specification of TETRA Release 2.1 equipment. The user requirements contained in the present document are described in non-technical terms and are based on discussions in TC TETRA WG1 and on an analysis of the results for air interface enhancements from the 2001 TETRA Release 2 Market Questionnaire and the 2007 Future of TETRA workshop [i.1].

TR 102 021-4-2011 history

• 2011 TR 102 021-4-2011 Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2.1; Part 4: Air Interface Enhancements (V1.4.1)
• 2006 TR 102 021-4-2006 Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 4: Air Interface Enhancements (V1.3.1)
• 2004 TR 102 021-4-2004 Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 4: Air Interface Enhancements (V1.2.1)
• 2001 TR 102 021-4-2001 Terrestrial Trunked Radio (TETRA); User Requirement Specification TETRA Release 2; Part 4: Air Interface Enhancements (V1.1.1)