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TS 25.431
UTRAN – Iub Interface –
Layer 1

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Rapporteur:
Dr. Reininger, PhilippeHuawei Tech.(UK) Co. Ltd

Content for  TS 25.431  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 Iub interface.
The specification of transmission delay requirements and O&M requirements is not in the scope of this document.
In the following 'Layer 1' and 'Physical Layer' are assumed to be synonymous.

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 25.411: "UTRAN Iu interface Layer 1".
[2]
ATM Forum AF-PHY-0130.00 (1999-10): "ATM on Fractional E1/T1".
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3  Definitions and abbreviations

For the purposes of the present document, the terms and definitions given in TS 25.411 apply.

4  Iub Layer 1

The Iub Layer 1 shall comply with the requirements of chapter 4 in TS 25.411.
In addition, for the Iub Layer 1, it shall be possible to use n 64 kbit/s time slots within the scope of "ATM on Fractional E1/T1" as specified in ATM Forum AF-PHY-0130.00 [2], and to allow the co-existence of this interface with other interfaces on the same physical medium.

$  Change HistoryWord‑p. 6


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