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Content for  TS 37.461  Word version:  16.0.0

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1  ScopeWord‑p. 5

The present document specifies the standards allowed to implement layer 1 on the Iuant interface for UTRA, E-UTRA and NR.
The specification of transmission delay requirements and O&M requirements are not in the scope of the present document.

2  References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TS 37.462: "UTRAN Iuant interface: Signalling transport".
[2]
ISO/IEC 8482 (1993-12): "Information technology - Telecommunications and information exchange between systems - Twisted pair multipoint interconnections".
[3]
TIA/EIA TSB89: "Application guidelines for TIA/EIA-485-A".
[4]
TS 25.101: "Technical Specification Group Radio Access Network; User Equipment (UE) radio transmission and reception (FDD)"
[5]
TS 36.101: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio transmission and reception"
[6]
TS 38.101-1: "NR; User Equipment (UE) radio transmission and reception (FDD)"
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3  Definitions and abbreviations

3.1  Definitions

For the purposes of the present document, the following terms and definitions apply:
On-Off-Keying:
A modulation system in which a carrier is switched between two states, ON and OFF.
Common feeder cable:
Feeder cable where some antenna line devices (e.g. RET, TMA) are connected via the same feeder cable.

3.2  Abbreviations

For the purposes of the present document, the following abbreviations apply:
BS
Base Station
DC
Direct Current
DL
Downlink
FDD
Frequency Division Duplex
ISB
Idle-State Biasing
OOK
On-Off-Keying
RET
Remote Electrical Tilting
RF
Radio Frequency
TMA
Tower Mounted Amplifier
UE
User Equipment
UL
Uplink
UMTS
Universal Mobile Telecommunications System
UTRA
UMTS Terrestrial Radio Access

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