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Title page
Alcatel-LucentRemote Radio Head 2X40W - 900 MHz for GSM and W-CDMA | UA08.1
Technical Description
NN-20500-281Issue 02.05 | February 2013
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Legal notice
Legal notice
Alcatel, Lucent, Alcatel-Lucent and the Alcatel-Lucent logo are trademarks of Alcatel-Lucent. All other trademarks are the property of their respective
owners.
The information presented is subject to change without notice. Alcatel-Lucent assumes no responsibility for inaccuracies contained herein.
Copyright 2013Alcatel-Lucent. All rights reserved.
Contains proprietary/trade secret information which is the property of Alcatel-Lucent and must not be made available to, or copied or used by anyone outside
Alcatel-Lucent without its written authorization.
Not to be used or disclosed except in accordance with applicable agreements.
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Contents
About this document
Purpose ............................................................................................................................................................................................viivii
Reason for reissue .......................................................................................................................................................................viivii
New in this release ......................................................................................................................................................................viivii
Intended audience ......................................................................................................................................................................viiiviii
Supported systems .....................................................................................................................................................................viiiviii
How to use this document .......................................................................................................................................................
viiiviii
Prerequisites .................................................................................................................................................................................viiiviii
Conventions used .......................................................................................................................................................................viiiviii
Related information .....................................................................................................................................................................ixix
Document support ........................................................................................................................................................................ixix
Technical support ...........................................................................................................................................................................xx
How to order ....................................................................................................................................................................................xx
How to comment ............................................................................................................................................................................xx
1 Roadmap to Distributed Base Station documentation
Overview ...................................................................................................................................................................................... 1-11-1
Roadmap to Distributed Base Stations documentation ............................................................................................... 1-21-2
2 Basic characteristics
Overview ...................................................................................................................................................................................... 2-12-1
Introduction ................................................................................................................................................................................. 2-22-2
Functional description ............................................................................................................................................................. 2-42-4
RRH external interfaces ......................................................................................................................................................... 2-72-7
Equipment characteristics ................................................................................................................................................... 2-102-10
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3 Hardware description
Overview ...................................................................................................................................................................................... 3-13-1
RRH 2X40-09 Hardware description ................................................................................................................................3-23-2
Node B hardware requirements for RRH support ......................................................................................................
3-113-11
4 Configurations
Overview ...................................................................................................................................................................................... 4-14-1
Configurations ............................................................................................................................................................................ 4-24-2
5 Operating principles
Overview ...................................................................................................................................................................................... 5-15-1
OAM principles ......................................................................................................................................................................... 5-25-2
Index
Contents
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List of figures
1-1 Roadmap to Distributed Base Stations documentation ................................................................................1-31-3
2-1 2G-3G configuration ...............................................................................................................................................2-32-3
3-1 RRH 2X40-09 bulkhead ..........................................................................................................................................3-23-2
3-2 SUMx front panel ......................................................................................................................................................3-53-5
4-1 Star configuration scheme in a full 2G network .............................................................................................4-34-3
4-2 Daisy chain scheme example in a 2G full network .......................................................................................4-44-4
4-3 Combined configurations .......................................................................................................................................
4-54-5
4-4 Topology scheme .......................................................................................................................................................4-54-5
4-5 Multi-standard configuration .................................................................................................................................4-64-6
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List of figures
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About this documentAbout this document
Purpose
The purpose of this document is to describe the Alcatel-Lucent Remote Radio Head
(RRH) that supports the following technologies:
2G (GSM)
3G (W-CDMA) 4G (LTE)
There are different variants of the RRH depending on the operational bandwidth and
depending on the transmitted power.
The RRH described here consists oftwo 900 MHztransmit paths of up to 40 Weach path.
The document is about both 2G and 3G solutions, the 4G solution is not addressed. It is
called RRH 2X40-900.
Reason for reissue
The reissue reasons are:
Issue number Issue date Reason for reissue
02.05 February 2013 Standard issue
02.04 November 2012 Standard issue
02.03 September 2012 Standard issue
02.02 September 2011 Preliminary issue
02.01 June 2011 Draft issue
New in this release
New feature
FRS 117823 Support of 2.2 MHz spacing between 2G and 3G carriers
RRH 2X40-900 operates in a reduced bandwidth down to 4.2 MHz. Therefore GSMand W-CDMA signals use the same available spectrum.
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Intended audience
The audience for this document is Operations and maintenance personnel.
Supported systems
This document applies to Alcatel-Lucent W-CDMA UA08.1 system release.
How to use this document
No specific recommendation applies regarding the way readers should read this
document.
Prerequisites
None
Conventions used
Vocabulary conventions
For a list of the terms used in this document, see Alcatel-Lucent W-CDMA System -
Terminology,NN-20500-002.
For convenience, the terms RRH 2X40-900, RRH 2X40-09, or RRH are also used in this
publication.
It means this RRH variant:
Supports two 40 W output power modules
Operates in the 900 MHz bandwidth
The Station Unit Module supported by the RRH 2X40-09 is the SUMX 19. Theabbreviation used is the documentSUMxrefers to the SUMX 19.
Important! The SUMP or the SUMA is not supported by the RRH 2X40-900.
Typographical conventions
The following typographical conventions are used in this document:
Appearance Description
Italicized text Emphasized information
graphical user interface text Text that is displayed in a graphical userinterface or in a hardware label.
IP reference,reference number Related document that is referenced in the
document
About this document
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Related information
For information on subjects related to the content of this document, refer to the
documents listed in the following table:
Refer to this document At this location For more information on
Alcatel-Lucent W-CDMA
System - Terminology,
NN-20500-002
http://support.alcatel-lucent.
com.
Terms used in Alcatel-Lucent
9300 W-CDMA documents.
Alcatel-Lucent 9326 digital
2U Node B V2 - Technical
Description,
NN-20500-203
http://support.alcatel-lucent.
com.
Alcatel-Lucent 9326 digital 2U
Node B V2 :
Basic characteristics
Hardware description
Alcatel-Lucent 9926 Base
Band Unit Node B for
W-CDMA - TechnicalDescription,
NN-20500-283
http://support.alcatel-lucent.
com.
Alcatel-Lucent 9926 Base Band
Unit Node B
Basic characteristics
Hardware description
Alcatel-Lucent 9396 digital
2U Node B - Technical
Description,401-382-964
http://support.alcatel-lucent.
com.
The Alcatel-Lucent 9396 digital
2U Node B :
Basic characteristics
Hardware description
Alcatel-Lucent 93xx Node B
- Commissioning and Fault
Management User Manual:
TIL,NN-20500-019
http://support.alcatel-lucent.
com.
How to perform the Node B
installation, commissioning and
maintenance tasks using the
Node B TIL (Terminal forLocal Installation) tool
Distributed BTS Technical
Description - BTS
Document Sub-System
Description,3BK 21679
AAAA TQZZA
http://support.alcatel-lucent.
com.
The Alcatel-Lucent Distributed
BTS for GSM:
Basic characteristics
Hardware description
Document support
For support in using this or any other Alcatel-Lucent document, contact Alcatel-Lucent at
one of the following telephone numbers:
1-888-582-3688 (for the United States)
1-317-377-8618 (for all other countries)
About this document
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Technical support
For technical support, contact your local Alcatel-Lucent customer support team. See the
Alcatel-Lucent Support web site(http://www.alcatel-lucent.com/support/) for contact
information.
How to order
To order Alcatel-Lucent documents, contact your local sales representative or use Online
Customer Support (OLCS) (http://support.alcatel-lucent.com)
How to comment
To comment on this document, go to the Online Comment Form(http://infodoc.alcatel-
lucent.com/comments/) or e-mail your comments to theComments Hotline
About this document
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1 1Roadmap to Distributed
Base Station
documentation
Overview
Purpose
This chapter provides the roadmap for Distributed Base Station documentation.
Contents
Roadmap to Distributed Base Stations documentation 1-2
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Roadmap to Distributed Base Stations documentation
The following figure shows where the current document stands within the W-CDMA
customer documentation.
For a global view of the W-CDMA customer documentation, see the Roadmap chapter in:
Alcatel-Lucent W-CDMA System - Document Collection Overview,NN-20500-050
Alcatel-Lucent W-CDMA System - Access Network Elements Overview,
NN-20500-233
Roadmap to Distributed Base Station documentation Roadmap to Distributed Base Stations documentation
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Figure 1-1 Roadmap to Distributed Base Stations documentation
Roadmap to Distributed Base Station documentation Roadmap to Distributed Base Stations documentation
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Roadmap to Distributed Base Station documentation Roadmap to Distributed Base Stations documentation
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2 2Basic characteristics
Overview
Purpose
This chapter provides the basic characteristics of the RRH 2X40W.
Contents
Introduction 2-2
Functional description 2-4
RRH external interfaces 2-7
Equipment characteristics 2-10
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Introduction
Overview
The RRH is deployed in networks that support different technologies. Installing the
correct software is enough to migrate from one technology to another one.It can also be shared by different operators (RAN sharing).
The RRH specified in this document operates in the following technologies:
Single technology
2G only (GSM)
3G only (W-CDMA)
4G only (LTE )1
Multi-technologies, using different modules for each technology:
2G/3G (GSM/W-CDMA)
2G/4G (GSM/LTE)1
3G/4G (W-CDMA/LTE ) 1
2G/3G/4G (GSM/W-CDMA/LTE) 1
Multi-technologies, using the same module for the different technologies:
2G/3G (GSM/W-CDMA)
2G/4G (GSM/LTE) 1
3G/4G (W-CDMA/LTE)1
2G/3G/4G (GSM/W-CDMA/LTE1)
Note: 1
The RRH 2X40-09 is hardware ready to the support LTE technology but the feature is
not yet implemented.
The RRH performs the transmission and reception of radio frequencies in the
corresponding frequency band. It also performs the baseband processing. It consists of
one digital-analog board and two power amplifier boards. The RRH 2X40-900 operates in
a reduced bandwidth down to 4.2 MHz, thus, GSM and W-CDMA signals use the same
available spectrum.
The RRH 2X40 supports antenna diversity.
If the 3G (or 4G) technology is used, the RRH is linked to the d2U or to the BBU through
a CPRI interface and optical fibers.
If the 2G technology is used, the RRH is connected to the BSC through a central
equipment called Station Unit Module (SUMx). This equipment is hosted either in an
existing BTS rack, or in a dedicated Site Support Cabinet (SSC). The SSC also integrates
AC/DC converters and batteries for power back-up.
Basic characteristics Introduction
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The following figure shows an example of configuration.
In this example the RRH is configured for 2G/3G configuration.
The RRH is physically connected to both: The SUMx through a GE interface
The CCM through a CPRI interface
Figure 2-1 2G-3G configuration
Basic characteristics Introduction
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Functional description
Introduction
In transmission, the RRH:
Receives the signal coming from the CPRI or the ethernet interface. Processes the signal.
Sents it to the radio interface.
In reception, the RRH:
Receives two RF signals from the antennas.
Processes the two RF signals.
Sends the two RF signals to the daisy chain or to the BBU.
In detail, the RRH supports the following functions:
Radio access modem Optical access
Configuration, supervision, alarm and failure monitoring
Part of call processing
The SUMx (Station Unit Module in 19 housing) is a controller managing transmissions,
alarms, operations and maintenance tasks. It is necessary for the GSM configuration.
Radio access and modem
The radio functions are the following:
Up-sampling, frequency up-conversion, amplification, and filtering
Filtering, low noise amplification, frequency down-conversion and down-sampling
The modem functions are the following:
Channel coding, modulation, summing and filtering
Filtering, demodulation and channel decoding
The following diagram describes the functional process.
Basic characteristics Functional description
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Optical access
This function provides duplex optical communication towards the Node B site through
optical fibers using Single-Mode or Multi-Mode propagation:
In Single-Mode propagation, two variants of SM SFP are available:
The Single Mode Single Fiber (SM SF), one fiber carries both downlink and
uplink signals using Coarse Wavelength Division Multiplexing (CWDM).
The Single Mode Dual Fiber (SM DF), carries the DL/UL in two separate fibers,
one fiber carries the downlink signal, and another fiber carries the uplink signal.
In Multi-Mode propagation, one fiber carries the downlink signal, and another fiber
carries the uplink signal.
Configuration/supervision
This function is in charge of configuring and supervising the modules as well as ensuringinventory information reporting.
The remote inventory functionality allows the W-CDMA OAM access to determine the
state of the RRH.
Basic characteristics Functional description
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Call processing
The call processing function is in charge of radio resource management inside the base
station equipment. Call processing manages:
W-CDMA services as described in 3GPP standards
Internal configuration and implementation services Channel setup and management for both common and dedicated channels
Cell management, power control, handover, and measurement processing
Station Unit Module (SUMx)
It integrates the following functions:
Transmission functions
Operations and maintenance tasks of the BTS
Remote inventory function
Clock distribution Provision of some external interfaces and management of internal interfaces
Optional GPS board for GSM BTS releases which provides high accuracy clock and
enables a time and frequency synchronization for the BTS
Basic characteristics Functional description
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RRH external interfaces
RRH
The RRH is equipped with the following external interfaces:
Interface Description
Power supply Provides the mains power. The RRH is
supplied with a 48 V DC power supply.
Ground Provides the grounding
Radio Provides the radio interface between the RRH
and the antenna
The radio interface consists of two RF ports
for the connection to the Tx/Rx Main and Rx
Diversity antennas for one sector only.
The radio interface impedance is 50 ohm.
CPRI1 Provides optical CPRI interface to the BBU
It consists of two optical links. One for the
communication between the RRH and the
optical module of a Node B (BBU), or the
previous RRH in a daisy-chain configuration
Optical1 Provides optical Gigabyte Ethernet interface
External alarms Two external customer alarms
AISG 2 The RRH is equipped with an AISG interface
which is controlled by the controller module
(CCM) of the Node B. It can be used to
connect a Tower Mounted Amplifier (TMA) or
a Remote Electrical Tilt Automatic (RETA)
unit.
1 Optical interfaces
There are two optical ports on the RRH: one master, one slave.
The optical mode (SM or MM) is given by the distance between the Node B and the
RRH.
The RRH master port is used in daisy chain mode to connect the second RRH.
The SFP optical transceivers are Single Mode or Dual Mode.
SFP optical transceiver Single Mode:
RRH (slave port) to SUMx: SFP 1310 nm wavelength
RRH (master port) to RRH (daisy chain): SFP 1550 nm wavelength
Basic characteristics RRH external interfaces
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SFP optical transceiver Multimode Mode:
RRH (slave port) to SUMx: SFP 850 nm wavelenght
RRH (master port) to RRH (daisy chain): SFP 850 nm wavelength
The SFP optical transceivers are equipped with LC connectors.
2
AISG interfaceThe RETA unit allows adjustment of the antenna tilt without tower climb, and depending
on configuration without site visit.
The AISG interface is used for RETA unit connection. It is also used to connect the Tower
Mounted Amplifier (TMA) when it is provided.
The AISG interface is controlled from the Node B digital unit. Control access is
performed on-site via a PC (loaded with a standard software) connected to the BBU or at
a remote location when using a remote access.
All physical and electrical specifications related to the RETA comply with the Antenna
Interface Standards Group (AISG).
SUMx
The SUMx module can be hosted in:
An existing BTS cabinet (with enough space for additional standard 19 equipment)
In a dedicated Site Support Cabinet (SSC)
The SSC integrates AC/DC converters and batteries for power backup.
In a distributed solution, the BTS (RRH 2X40W + SUMx) is connected to the BSC
through a TDM or IP transmissions.
The SUMx is connected to the RRH using three high speed optical connections.
The external interfaces are located at the front of the SUMx 19 box.
Interface Description
Transmission interface Abis TDM, Abis Ethernet
Radio HSL over Ethernet to RRH
Power supply 48VDC
The SUMx 19 is offered in one power
variant: DC power mode. It is designed tobe powered from -48VDC BTS power
plant as well as from any site support
cabinet.
The acceptable variation in the input
voltage, under normal operation, is ranged
from -40.5 V to -57 V.
Basic characteristics RRH external interfaces
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Interface Description
High speed interfaces Five high speed interfaces with SFP
connection
One high speed Ethernet link
External alarms Eight external alarms adapted to the customer requirements
E1 connections Four E1 physical interfaces
Basic characteristics RRH external interfaces
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Equipment characteristics
Mechanical Data
Mechanical data for the Alcatel-Lucent RRH and the SUMx:
Parameter RRH 2X40-09without solarshield
RRH 2X40-09 withsolar shield
SUMx
Height (mm) 300 300 483
Width (mm) 443 460 56
Depth (mm) 150 154 313
Weight (kg) < 18 3
Environmental Data
Environmental data for the Alcatel-Lucent RRH and the SUMx
Parameter RRH 2X40-09 SUMx
Climatic requirements For operation: ETSI EN 300
019-1-4 / ETS 300 019-1-4
class 4.1E
ETS 300 019-2-3 (class 3.2)
Operationing temperature -40 C to +50 C (up to
+55C with solar shield)
5 C to +65 C.
Absolute humidity 0.03 g/m 3 to 36 g/m 3 . 0.03 g/m 3 to 36 g/m 3
Cooling method Natural convection cooling
Maximum amount of solar
radiated energy on the
external surfaces
1120 W/m 2
Acoustic noise Noiseless In accordance with ISO 7779
are the following: LwAd = 56
dB(A) at 25C
Electro Magnetic
Compatibility (EMC)
EN 300 132-2
EN 300 132-33GPP 25113
Safety EN 60215
IEC 215
EN 60 950
IEC 950
Basic characteristics Equipment characteristics
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Electrical data
Electrical data for the Alcatel-Lucent RRH and the SUMx:
Characteristics RRH 2X40-09 SUMx
Operating DC voltage -48 V (-40.5 / -57) -48 V from BTS power plant
or any site support cabinet
Power consumption 2Tx /2Rx max load 100%
390 W
AISG / RET max
42 W
30 W (fully loaded)
Battery back- up No battery back-up integrated
RF characteristics
RF characteristics for the Alcatel-Lucent RRH:
Characteristics RRH 2X40-09
Operating frequency band (MHz) 880-915 / 925-960
TX output power 40 W max
Carriers Depends on RF configuration, see tables
below
Rx Sensitivity (dbm) -112
RX diversity Yes
The RRH output power depends on the number of carriers configured per module and the
mix of technologies running.
The following table describes the output power values in case of pure GSM and
Multi-mode configurations for the RRH 2X40-09W.
Number of GSMcarriers
GMSK outputpower class 2 (W)
GMSK outputpower class 2 withmoderate poweroverbooking (W)
8 PSK outputpower (W)
1 40 40 27
2 40 40 27
3 17 17 11
4 17 17 11
Basic characteristics Equipment characteristics
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Number of GSMcarriers
GMSK outputpower class 2 (W)
GMSK outputpower class 2 withmoderate poweroverbooking (W)
8 PSK outputpower (W)
5 13 15 9
6 13 15 9
The following table describes the output power values in case of W-CDMA configuration
or mixed configurations for the RRH 2X40-09W.
Configurations W-CDMA output power GSM output power
1 W-CDMA carrier and 1
GSM carrier
40 W 40 W
2 non contiguous (within
15MHz) W-CDMA carriers
and 2 GSM carriers
2 carriers at 20 W 2 carriers at 20 W
1 W-CDMA carrier and 3
GSM carriers
1 carrier 20 W 3 carriers at 13 W
2 non contiguous (within
15MHz) W-CDMA carriers
and 3 GSM carriers
2 carriers at 20 W 3 carriers at 13 W
2 non contiguous (within
15MHz) W-CDMA carriers
and 4 GSM carriers
2 carriers at 20 4 carriers at 10W
Optical and topology characteristics
Optical and topology characteristics for the Alcatel-Lucent RRH:
Type of fibres Single-mode (SM) and Multi-mode (MM)
variant
Optical fibre length Up to 500 m, using MM fibre
Up to 20 km, using SM fibre
RRH configuration Star, Daisy Chain, Optical RingUp to 6 RRHs per fibre link
Maximum amount of solar radiated energy
on the external surfaces
1120 W/m 2
Basic characteristics Equipment characteristics
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Miscellaneous External alarms
2 for RRH 2X40-09W
8 for SUMx
Deployment and connectivity
The RRH is easy to install. It is a plug and play module.
The pieces of equipment listed below concern the RRH variants.
The RRH main body mechanics is equipped with the following pieces of equipment:
Solar shield
The solar shield protects the RRH from solar radiation. It is factory-assembled to theRRH main body.
Connection box (also called cable box)The connection box protects the RRH bottom connectors from climatic conditions.These bottom connectors are reachable through an access panel
Mounting kit
A mounting kit is required to install the RRH on a wall, a pole, or a floor.
Handle
The handle facilitates installation. This handle is factory-assembled to the RRH mainbody and should be removed after installation.
Basic characteristics Equipment characteristics
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Basic characteristics Equipment characteristics
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3 3Hardware description
Overview
Purpose
This chapter describes:
The RRH 2X40W bulkhead hardware The connectivity
The LED indicators
The SUMx
Contents
RRH 2X40-09 Hardware description 3-2
Node B hardware requirements for RRH support 3-11
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RRH 2X40-09 Hardware description
Bulkhead description
The following figure shows a view of the RRH 2X40-09 bulkhead.
Connector description
This topic gives an overview of the connectors located on the RRH bulkhead and on the
SUMx front pannel.
Figure 3-1 RRH 2X40-09 bulkhead
Hardware description RRH 2X40-09 Hardware description
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The external interfaces are located at the bottom side of the RRH housing.
Interface Connector
DC power input For DC power connection:
Cable composed of two 6 mm cores (10
AWG), blue (48 V DC), black (0 V)
On unit side:
Tyco connector type, three pin circular
female for DC connection
Ground Adapted ground cable
RETA The RRH is equipped with an interface for
controlling a RET antenna.
All physical and electrical specifications of
this interface concerned are compatible with
the AISG standard.Interface between RRH and RETA (AISG
connector):
Protocol: RS-485
Circular connector: female, eight pins,
IEC 60 130-9, IP 67
DC power specification: + 14 V DC
nominal
Antenna connections 7/16 female connectors for the connection
with the main or diversity antenna
External alarms Circular 12 pin connector for the connection of
two external customer alarms (two external
alarm pairs)
Ethernet interface One RJ-45 Ethernet port for local terminal
connection
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Interface Connector
Optical interfaces1 Two optical ports: one master, one slave2
The SFP optical transceivers are Single Mode
(SM) or Multi Mode (MM) 3.
SFP optical transceiver SM: RRH (slave port) to SUMx: SFP 1310 nm
RRH (master port) to RRH (daisy chain):
SFP 1550 nm
SFP optical transceiver Multi Mode (MM):
RRH (slave port) to SUMx: SFP 850 nm
RRH (master port) to RRH (daisy chain):
SFP 850 nm
The SFP optical transceivers are equipped with
LC connectors.
Notes:
1. The optical interfaces support SFP transceivers which can be installed on field without
opening the RRH.
2. The RRH master port is used in daisy chain mode to connect the second RRH.
3. The optical mode (SM or MM) is given by the distance between the Node B and the RRH.
LED description
There is only one green-red bi-colored LED on the RRH. The BBU or the SUMx gets the
LED status periodically and reports it to the management system.
The following table lists the LED indicator states and the associated meaning.
LED status RRH state
OFF Power not applied
GREEN Powered and RRH is transmitting
BLINKING GREEN Powered, all OK but RF transmitting disabled
RED Major hardware failure
YELLOW CPRI link failure
BLINKING YELLOW Initial power on and firmware download in
progress
Hardware description RRH 2X40-09 Hardware description
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SUMx front panel
The following figure shows a view of the SUMx front panel.
The connection is located at the left side of the subrack front panel.
Figure 3-2 SUMx front panel
Hardware description RRH 2X40-09 Hardware description
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It provides connection possibility for external interfaces as:
Power supply
Ground
E1
External alarmsThis table describes the connector used for the interface located on the SUMx front panel:
Interface Connector
Ground Provides ground interface for the complete
subrack.
Power supply Provides power supply interface for all
subrack components.
Transmission interface, E1 PORT 1/2 Provides 2 Abis Interfaces.
9-pin Sub-D femaleThe connector is pre-equipped for both 75
ohm and 120 ohm impedance cables. The
impedance is selected by the type of cable
connector used.
Two more Abis Interfaces are possible with a
piggy-back board.
HSE 1/2 RJ-45 Ethernet connector
Provides two High Speed Ethernet interfaces
for future use.
HSO1, HSO2, HSO3 SFP connector
High speed optical interfaces for Remote
Radio Head connection.
OPT1, OPT2 SFP connector
Optical interfaces for future use
BTS Connection Area 37-pin Sub-D female
Provides the following digital interfaces:
XBCB
XRT XGPS, XGPS CLKX
CLK1
Abis relay control
Hardware description RRH 2X40-09 Hardware description
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Interface Connector
BTS Terminal To connect a computer terminal.
Provides V.24 asynchronous serial interface
for local maintenance and configuration
purposesPresence of a terminal automatically detected
External alarms Provides eight interfaces to connect eight
external alarms (adapted to the customer
requirements)
Test 9-pin Sub-D male
Provides remote access
GPS SMB male
Provides a synchronization output from an
optional on-board GPS receiverTRANS1 RJ-45
Provides traffic connection to the IP network
MMI-ETH RJ-45
Used for connection with PC NEM
For local maintenance and configuration
purposes
AUX1 RJ-45
Connection for auxiliary equipment
There are eight LEDs on the SUMx front panel, which provide a visual indication of the
operational status of the SUMx module. The following table describes each LED and
defines the associated operational states.
SUMx LED description
LED Color Status Description
P1 Yellow Abis link 1 state
ON Abis link 1
configured and ok
Blinking Failure detected on
Abis link 1
OFF Abis link 1 not
configured (not used)
P2 Yellow Abis link 2 state
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LED Color Status Description
ON Abis link 2
configured and ok
Blinking Failure detected on
Abis link 2OFF Abis link 2 not
configured (not used)
P3 Yellow Abis link 3 state
ON Abis link 3
configured and ok
Blinking Failure detected on
Abis link 1
OFF Abis link 3 not
configured (not used)P4 Yellow Abis link 4 state
ON Abis link 4
configured and ok
Blinking Failure detected on
Abis link 4
OFF Abis link 4 not
configured (not used)
OP Yellow Operational status
ON Module inoperational status
Short blinking Mismatch between
SW running on the
board and SW
version set by the
management system
Blinking Transient state to
reach operational
state
Fast blinking State of the moduleunknown
OFF Module is not in
operational status
OMTr Yellow Status of the O&M transmission link
Hardware description RRH 2X40-09 Hardware description
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LED Color Status Description
ON OML connection
established
Blinking Transient state
corresponding to theOML connection
establishment
Fast blinking Searching of the
OML on the Abis
(Scanning mode)
OFF OML disconnected,
no ongoing attempt to
establish the OML
connection
ON Green Power status
ON SUMx powered ON
OFF SUMx powered OFF
FAULT Red Alarm status
ON Fatal alarm on
SUMX or on any
SBL inside the BTS
Blinking Non fatal alarm on
SUMX or on any
SBL inside the BTSShort blinking OCXO warm up
OFF No alarm
The backplane is a multi-layer PCB. It distributes the 48/ 60 V DC, to power the
subrack equipment, and the digital signals to the SUMx module.
On the rear side of the back panel there is a Ribbon Cable C 64 M (DIN 41612)
connector. It is used to interconnect the subracks and the SUMx 19poste for future
applications.
The Abis Interface is the digital interface to the BSC. The SUMx provides four G.703
Abis interfaces.
They support the following communications links:
TCH, which carries speech and/or data
OML, which uses a LAPD protocol
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RSL, which carries signaling data for the telecommunications functions
Q1 Link, which carries transmission management data
Hardware description RRH 2X40-09 Hardware description
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Node B hardware requirements for RRH support
Requirement
The following Node Bs are programmed to support RRH.
Parameter 2G 3G 2G/3G
BBU SUMX 19 Most relevant d2U
versions and
modules: x and e
modules
Most relevant d2U
versions and
modules: x and e
modules
SUMX 19
RRH MC-RRH 2X40-09
supporting 2G only
mode
MC-RRH 2X40-09
supporting 3G only
mode
RRH 2X40-09
supporting 2G and
3G mixed mode
Hardware description Node B hardware requirements for RRH support
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Hardware description Node B hardware requirements for RRH support
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4 4Configurations
Overview
Purpose
This chapter describes the configurations of the RRH 2X40W.
Contents
Configurations 4-2
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Configurations
Radio configurations
The RRH can be linked to the BBU, using different configurations:
Star Daisy-chain
Sector or repeater
The RRH is used as a:
Full 2G module
Full 3G module
2G/3G module
In a full GSM configuration, the SUMx is directly connected to the RRH 2X40W with
optical Ethernet cables (max. six RRH), while in a multistandard configuration the SUMx
is connected to the W-CDMA/LTE BBU module by the optical Ethernet cable and CPRI.
Star configuration
The star configuration information involves the following hardware components:
RRH on the remote site
An optical module on the Node B site, or a SUMx board
The implementation of the RRH solution allows to connect, in star configuration, a
maximum of six RRH to a BBU, or three RRHs to a SUMx. Each RRH provides service
to a single sector, which supports either a single-cell or a twin-cell configuration,
allowing a maximum of two managed cells per RRH. As a example, a maximum of
twelve remote cells can be provisioned with six RRH in a full 3G solution.
Configurations Configurations
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Daisy chain configuration
More cells can be provisioned by daisy-chaining three RRHs (or RFMs) to a single fiberlink coming from the BBU, or the SUMx.
Figure 4-1 Star configuration scheme in a full 2G network
Configurations Configurations
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Sector or repeater configuration
An RRH operates in one of the following modes selected from OAM:
Sector mode to use the RRH as another remote sector not configured at Node B
Repeater mode to use the RRH as a local sector configured at Node B. This allows to
extend coverage of a local sector to rural or shadow areas.
When RRHs are used as repeaters on a 20-km optical fiber length, the cell size (set at the
OMC) of the last RRH in the daisy-chain cannot exceed 5 km.
To guarantee a continuity in mobility coverage, RRH cell management is based on the
following parameters:
Optical fiber length
Cell size
Soft handover (SHO) between local and remote cells
Combined configurations
The connection scheme can also be a combination of chain and ring and star as shown in
the next figure.
Figure 4-2 Daisy chain scheme example in a 2G full network
Configurations Configurations
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Any topology is possible, as long as there are
Less than three links to the SUMx
Less than two links to the RRH
Figure 4-3 Combined configurations
Figure 4-4 Topology scheme
Configurations Configurations
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Multi-Standard configuration
The RRH can also be configured in a multi-technology environment as shown in the next
figure.
Multiple RRH per cell (optional)
To extend mobility coverage without adding cells to a Node B, Multiple RRH Sets (MRS)
can be used following the next rules:
An MRS contains one Cell-Mode RRH (CM RRH) acting as a normal cell, and
several Repeater-Mode RRHs (RM RRHs) acting as repeaters.
Up to four RM RRHs can be set in star or daisy-chain configuration.
Up to three MRSs can be connected to a d2U Node B in star configuration; and up to
six in daisy-chain configuration.
One MRS can support up to 12 cells and up to four carriers.
One BBU can support up to 12 RRHs.
Figure 4-5 Multi-standard configuration
RRH
2G/3G
RRH
2G/3G
RRH
2G/3G
W-CDMAd2u v2 / BBU
GSM
SUMx 19
CPRIHSO
CPRI
CPRIHSO
HSO
Configurations Configurations
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5 5Operating principles
Overview
Purpose
This chapter provides the RRH 2X40 operating rules according to the configuration
modes.
Contents
OAM principles 5-2
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OAM principles
OAM mastership rules
In 2G configuration the Operation and Maintenance Center (OMC 2G) is used as
management system, while in 3G it is the Wireless Management System (WMS 3G).When RRH is in 2G and 3G mixed mode the 2G system (OMC 2G) is the master, and
RRH acts as a virtual machine for 3G usage. Therefore some actions such as hardware
reset, software upgrade are only managed by the OMC 2G.
This table provides the OAM mastership rules:
Supervison
2G BTS OMC 2G NA
3G BBU NA WMS 3G
RRH 2G PA and TRX
Tx path
OMC 2G NA
RRH 3G PA NA WMS 3G
RRH 2G/3G (Rx path, TMA) OMC 2G WMS 3G
RRH full reset OMC 2G NA
RRH virtual reset (resets only
one techno)
NA WMS 3G
Inventory
RRH 2G inventory, includingTMA
OMC 2G NA
RRH 3G inventory NA WMS 3G
2G BTS inventory including
cabinet
OMC 2G NA
3G d2U inventory NA WMS 3G
Software management
RRH software
download/activation
OMC 2G NA
RRH software versionreporting
OMC 2G WMS 3G
RRH and 3G BBU software
compatibility reporting
NA WMS 3G
Power management
RRH 2G PA OMC 2G NA
Operating principles OAM principles
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RRH 3G PA NA WMS 3G
Frequency management
RRH 2G PA Frequency
configuration
OMC 2G NA
RRH 3G PA Frequencyconfiguration
NA WMS 3G
External alarms management
VSWR configuration(*),
RRH Ext alarm configuration
OMC 2G WMS 3G
2G Cabinet external alarms
configuration
OMC 2G NA
RRH provisioning and Cabling / RRH port mapping
2G OMC 2G NA
3G NA WMS 3G
Switching mode
Switch RRH from 2G mode
to 2G+3G mode
OMC 2G NA
Switch RRH from 2G+3G
mode to 2G
OMC 2G NA
Switch RRH from 2G+3G
mode to 3G
OMC 2G NA
Switch RRH from 3G mode
to 2G+3G
OMC 2G NA
Counter support
2G OMC 2G NA
3G NA WMS 3G/NPO
RET ALD according to AISG v2.0
RET control NA WMS 3G
Commissioning
RRH NEM NA
Capacity licensing
3G capacity licensing
(frequencies/power) for 3GPA
NA WMS 3G
2G capacity licensing OMC 2G NA
Operating principles OAM principles
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(*) Note :Due to the software achitecture in 2G/3G MC-RRH, recovery actions
performed on 3G VSWR part have to be also performed on the 2G part. For more details
refer to document BTS Alarm Dictionary / BTS Document / Reference Guide Release
B11 / 3BK 21625 AAAA PCZZA Ed.14.
Multi-techno interoperability
This table lists the impacts over the service of some operating actions:
Action Management system Service impact
RRH reset OMC 2G Outage on 2G and 3G
WMS 3G Re-initialisation of 3G SW
only,
No impact on 2G service
SUMx reset
SUMx failure
OMC 2G No impact on RRH Call IP
service
No impact on 3G service
2G BTS SW replacement OMC 2G SW upgrade with RRH load:
outage of 2G and 3G service
SW upgrade without RRH
load: outage of 2G service, no
outage of 3G service
2G power setting OMC 2G No impact on 3G service
3G power setting WMS 3G No impact on 2G service
2G frequency setting OMC 2G No impact on 3G service
3G frequencies setting WMS 3G No impact on 2G service
Operating principles OAM principles
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Index
A alarms
characteristics,2-10
.............................................................
B bulkhead,3-2
.............................................................
C characteristics
alarms,2-10
depth,2-10
frequency,2-10
height,2-10
sensitivity,2-10
weight,2-10
configurations
daisy chain,4-2
repeater,4-2
sector,4-2
star,4-2
connectors,3-2
.............................................................
D daisy chain
configurations,4-2
depth
characteristics,2-10
documentation roadmap,1-2
.............................................................
E equipment,2-10
.............................................................
F frequency
characteristics,2-10
.............................................................
H height
characteristics,2-10
.............................................................
I interfaces,2-7
interoperability,5-2
.............................................................
O OAM,5-2
output power,2-10
.............................................................
P processing,2-4
.............................................................
R repeater
configurations,4-2
requirement,3-11
roadmap
documentation,1-2
rules,5-2
.............................................................
S sector
configurations,4-2
sensitivity
characteristics,2-10
star
configurations,4-2
.............................................................
W weight
characteristics,2-10
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Index
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