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TS 36.411
E-UTRAN – S1 Interface
Layer 1

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Ms. Wang, YanHuawei Tech.(UK) Co.. Ltd

S1-MME Layer 1

S1-U Layer 1

Content for  TS 36.411  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 S1 interface.
The specification of transmission delay requirements and O&M requirements are not in the scope of the present 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.
TR 21.905: "Vocabulary for 3GPP Specifications".
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3  Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 and the following abbreviations apply:
Evolved Universal Terrestrial Radio Access Network

4  Introduction

The main functions of layer 1 are summarized in the following:
  • Interface to physical medium;
  • Frame delineation;
  • Line clock extraction capability;
  • Layer 1 alarms extraction and generation;
  • Transmission quality control.

5  Layer 1 specificationsWord‑p. 6

The support of any suitable layer 1 technique - like point-to-point or point-to-multipoint techniques - shall not be prevented.

6  Interface to management plane

The description of the interface towards the management plane is out of scope of this document, but at least the following O&M functions should be foreseen:
  • Performance monitoring functions;
  • Alarm status reporting functions;
  • Synchronisation source management.

$  Change HistoryWord‑p. 7

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