ETSI GS ORI 001 V4.1.1 (2014-10)
Open Radio equipment Interface (ORI); Requirements for Open Radio equipment Interface (ORI) (Release 4)
Open Radio equipment Interface (ORI); Requirements for Open Radio equipment Interface (ORI) (Release 4)
RGS/ORI-0016
General Information
Standards Content (Sample)
ETSI GS ORI 001 V4.1.1 (2014-10)
GROUP SPECIFICATION
Open Radio equipment Interface (ORI);
Requirements for Open Radio equipment Interface (ORI)
(Release 4)
Disclaimer
This document has been produced and approved by the Open Radio equipment Interface (ORI) ETSI Industry Specification
Group (ISG) and represents the views of those members who participated in this ISG.
It does not necessarily represent the views of the entire ETSI membership.
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2 ETSI GS ORI 001 V4.1.1 (2014-10)
Reference
RGS/ORI-0016
Keywords
E-UTRA, interface, radio, UTRA
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3 ETSI GS ORI 001 V4.1.1 (2014-10)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 4
1 Scope . 6
2 References . 6
2.1 Normative references . 6
2.2 Informative references . 7
2.3 Document structure of the ORI specifications. 7
3 Definitions and abbreviations . 7
3.1 Definitions . 7
3.2 Abbreviations . 8
4 ORI system requirements . 9
4.1 Reference configurations . 9
4.1.1 Topology . 9
4.1.2 Specific ORI node requirements on ORI links and ORI ports . 11
4.2 Supported radio standards . 12
4.2.1 System requirements . 12
4.2.2 Specific ORI node requirements . 12
4.3 Protocol Requirements . 13
4.3.1 Compliance with CPRI . 13
4.3.1.1 System requirements . 13
4.3.1.2 Specific ORI node requirements . 13
4.3.2 C&M functionality . 13
4.3.2.1 System requirements . 13
4.3.2.2 Specific ORI node requirements . 14
4.3.3 C&M signalling and transport . 14
4.3.3.1 System requirements . 14
4.3.3.2 Specific ORI node requirements . 14
4.3.4 IQ data compression . 14
4.3.4.1 System requirements . 14
4.3.4.1 Specific ORI node requirements . 14
4.4 Redundancy . 15
4.4.1 General . 15
4.5 Interoperability . 15
4.5.1 General . 15
4.6 Forwards compatibility . 15
4.6.1 General . 15
History . 16
ETSI
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4 ETSI GS ORI 001 V4.1.1 (2014-10)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) Open Radio equipment
Interface (ORI).
The contents of the present document are subject to continuing work within the ISG. Should the ISG modify the
contents of the present document, it will be re-released by the ISG with an identifying change of release date and an
increase in version number as follows:
Version x.y.z
where:
x the first digit indicates the release number of ORI specification group starting from Release 1.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "may not", "need", "need not", "will",
"will not", "can" and "cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms
for the expression of provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
st rd
Mobile communication networks have evolved from 1 generation to 3 , and now, many operators are preparing to
introduce LTE. Economical and efficient deployment of base stations is one of key issues for the success of mobile
services. Operators also consider ecological aspects when renewing a system.
In general mobile radio base stations consist of a BaseBand Unit (BBU) and a Radio Frequency Unit (RFU), which
usually is a Remote Radio Head (RRH) in a distributed base station architecture.
Current interfaces between BBU and RRH are provided in a "semi proprietary" nature, although based on industry
standards like CPRI or OBSAI. In order to gain flexibility operators are looking for distributed base station
architectures with separate BBUs and RRHs. In order to gain interoperability, BBU and RRH are interconnected via an
open BBU-RRH Interface (ORI) for flexible combination from different vendors.
ETSI
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ORI is about a digitized radio base station interface that establishes a connection between "Radio Equipment Control"
(REC) and "Radio Equipment" (RE) enabling single-hop and multi-hop topologies. Different information flows (User
Plane data, Control and Management Plane data, and Synchronization Plane data) are multiplexed over the interface.
ORI covers OSI protocol layer 1, Layer 2 up to Layer 7.
The present document aims to define a set of system and link requirements that apply to the Open Radio equipment
Interface (ORI).
ETSI
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1 Scope
ETSI Group Specifications (GS) are deliverables produced by Industry Specification Groups (ISG). GSs are written
with the style of a Technical Specification (TS), and represent the sole view of the ISG members.
The present document describes system-level requirements that apply to the Open Radio equipment Interface (ORI) and
ORI nodes for Release 4.
NOTE: Requirements comply with CPRI specification of CPRI forum [1] and focuses on the following 3GPP
radio access technologies namely UTRA-FDD [3], [4] and [5], E-UTRA-FDD [6], E-UTRA-TDD [6] and
GSM [12]. Multiplexing between any combination of UTRA-FDD, E-UTRA-FDD, and GSM on an ORI
link is also considered.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are necessary for the application of the present document.
[1] "Common Public Radio Interface (CPRI); Interface Specification" V 6.0.
NOTE: Available at http://www.cpri.info/spec.html.
[2] ETSI GS ORI 002-1: "Open Radio equipment Interface (ORI); ORI Interface Specification;
Part 1: Low Layers (Release 4)".
[3] ETSI TS 125 104: "Universal Mobile Telecommunications System (UMTS); Base Station (BS)
radio transmission and reception (FDD) (3GPP TS 25.104)".
[4] ETSI TS 125 215: "Universal Mobile Telecommunications System (UMTS); Physical layer;
Measurements (FDD) (3GPP TS 25.215)".
[5] ETSI TS 125 133: "Universal Mobile Telecommunications System (UMTS); Requirements for
support of radio resource management (FDD) (3GPP TS 25.133)".
[6] ETSI TS 136 104: "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station
(BS) radio transmission and reception (3GPP TS 36.104)".
[7] ETSI GS ORI 002-2: "Open Radio equipment Interface (ORI); ORI Interface Specification;
Part 2: Control and Management (Release 4)".
[8] ETSI TS 125 461 (V10.2.0): "Universal Mobile Telecommunications System (UMTS); UTRAN
Iuant interface: Layer 1 (3GPP TS 25.461 version 10.2.0 Release 10)".
[9] ETSI TS 125 462 (V10.1.0): "Universal Mobile Telecommunications System (UMTS); UTRAN
Iuant interface: Signalling transport (3GPP TS 25.462 version 10.1.0 Release 10)".
[10] ETSI TS 125 466 (V10.3.0): "Universal Mobile Telecommunications System (UMTS); UTRAN
Iuant interface: Application part (3GPP TS 25.466 version 10.3.0 Release 10)".
ETSI
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[11] Antenna Interface Standards Group, Standard No. AISG v2.0, 13th June 2006: "Control interface
for antenna line devices".
[12] ETSI TS 145 005: "GSM/EDGE Radio Access Network; Radio transmission and reception
(3GPP TS 45.005)".
[13] ETSI TS 136 141: "LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station
(BS) conformance testing (3GPP TS 36.141)".
2.2 Informative references
The f
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