67901186 huawei tma support

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SingleRAN

Antenna SystemFeature Parameter Description

Copyright Huawei Technologies Co., Ltd. 2010. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior

written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are the property of Huawei Technologies Co., Ltd. All other

trademarks and trade names mentioned in this document are the property of their respective holders.

Notice

The purchased products, services and features are stipulated by the commercial contract made between

Huawei and the customer. All or partial products, services and features described in this document may

not be within the purchased scope or the usage scope. Unless otherwise agreed by the contract, all

statements, information, and recommendations in this document are provided AS IS without warranties,

guarantees or representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute the warranty of any kind, express or implied.


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Contents

1 Introduction1.1 Scope

1.2 Intended Audience1.3 Change History

2 Connection with TMA2.1 Overview of Connection with TMA

2.2 RF Receiver Channel Attenuation

2.3 Power Supply for TMA

2.4 Monitor TMA

3 Remote Electrical Tilt3.1 Overview of Remote Electrical Tilt

3.2 Operating Principles of RET

3.3 Operating Principles of Huawei RET

4 2-Way Antenna Receive Diversity5 Parameters

5.1 Parameters of Connection With TMA

5.2 Parameters of Remote Rlectrical Tilt

6 Counters7 Glossary8 Reference Documents

1Introduction

1.1 Scope

This document describes the antenna system feature of Huawei SingleRAN system. It covers thesub-features connection with Tower Mounted Amplifier (TMA), remote electrical tilt, and 2-wayantenna receive diversity.

1.2 Intended Audience

This document is intended for:

Personnel who are familiar with GSM and WCDMA basics

Personnel who need to understand antenna system

Personnel who work with Huawei products
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1.3 Change History

This section provides information on the changes in different document versions.

There are two types of changes, which are defined as follows:

Feature change: refers to changes in the antenna system feature of a specific product version.

Editorial change: refers to changes in wording or the addition of the information that was notdescribed in the earlier version.

Document Issues

The document issues are as follows:

01 (2010-10-15)

Draft (2010-05-15)

01 (2010-10-15)

This is the document for the first commercial release of SRAN5.0.

Compared with issue Draft (2010-05-15) of SRAN5.0, this issue optimizes the description.

Draft (2010-05-15)

This is the draft of the document for SRAN5.0.

This is a new document.

2Connection with TMA

This section describes the RF RX channel attenuation configuration, power supply configuration, andworking status monitoring configuration of the Tower Mounted Amplifier (TMA).

The connection with TMA function corresponds to the feature MRFD-210601 Connection with TMA(Tower Mounted Amplifier).

2.1 Overview of Connection with TMA

Installed on the tower top, a TMA is a device for amplifying uplink signals. As an optional componentof the antenna system, the TMA compensates for the feeder loss caused by a long feeder toimprove the uplink sensitivity and converge. In SRAN5.0, both NodeBs and BTSs support TMA andsmart TMA (STMA). An STMA has a built-in Smart Bias Tee (SBT) in comparison to a TMA. Thepower supply switch and attenuation factor need to be set for both TMA and STMA.

In a network whose uplink coverage is limited, the TMA can be installed to improve the RX sensitivityand expand the cell radius, thus reducing the number of BTSs and minimizing investments. Usersneed to determine whether to install the TMA according to the actual project requirements.

BTSs power and control the TMA. Huawei BTS provides the TMA with 10 - 13 V output voltage.When a major alarm related to the TMA is reported, the BTS automatically sets the attenuation valueof the RX channel to 0.After the alarm is cleared, the BTS automatically restores the attenuationvalue of the RX channel to the configured value.


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The RET control signals, power supply, and RF signals of the TMA are transmitted through thefeeder. This facilitates operation and maintenance. The SBT powers the TMA through the feederand provides the RCU with control signals.

Huawei BTS also supports dual-TMA. Dual-TMA indicates that each TMA contains two pairs ofRX/TX branches. Each sector needs to be configured with only one TMA. Each TMA also contains a

low noise amplifier (LNA) for monitoring alarms.The functions of the two pairs of RX/TX branches of a TMA are the same. The RX channel has twoRX filters and one LNA. When the input DC is faulty, the LNA is automatically ignored. The Bias Teeis configured on the BTS side of the TMA. The Bias Tee of a smart TMA (STMA) is referred to as anSBT. The Bias Tee can distinguish the combined signals of RF signals and DC signals, power theLNA, and provide the RCU with RET control signals. The TX channel contains a TX filter, as showninFigure 2-1.

Figure 2-1 Working principle of the TMA

.

2.2 RF Receiver Channel Attenuation

The TMA can improve both the uplink RX gain and the RX sensitivity. When the BTS measures theuplink RX level, the measurement result must reflect the actual radio environment. Therefore, theTMA gain must be compensated reversely on the RF RX channel to ensure that the RX quality isimproved and the RX level reflects the actual radio environment when the BTS measures the uplinkRX level.

When the TMA is configured, users need to set the RF RX channel attenuation of the RF antennainterface and the RX channel corresponding to the TRX to obtain the TMA gain according to theactual requirement.

For the BTS, you can run the MML command SET BTSRXUBPto specify whether the TMA isinstalled on the antenna system, and set the attenuation factor for the TMA.
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For the NodeB, you can run the MML command ADD ALDto add the TMA for the antenna linedevice (ALD), run the MML command SET TMAMODEto set the work mode of the TMA, run theMML command SET TMAGAINto set the gain of the TMA, and run the MML command SETRXATTENto set the attenuation of the RX channel.

2.3 Power Supply for TMA

The TMA needs to be powered by the BTS/NodeB through the RF feeder:

For the BTS, RXU board types such as the RRU3008, RRU3908, GRFU, and MRFU can directlyprovide power for the TMA. The DRFU, however, does not directly provide power for the TMA.Instead, it needs to be installed with a GATM board to provide power for the TMA. You can run theMML command SET BTSRXUBP/SET BTSDATUBPto enable the power switch.

For the NodeB, the RF module provides power for the TMA. You can run the MML command SETALDPWRSWto enable the power switch.

2.4 Monitor TMA

The working status of the TMA can be determined according to the status of the feeding current on

the TMA. The methods of reflecting the working status of the TMA through the feeding current varyaccording to TMAs. Users need to configure feeder boards for TMAs according to the actual TMAfeature configuration.

There are three alarm modes: MODE1 has only one type of alarm whose alarm severity is critical,and the alarm current threshold is fixed and greater than the normal working current; MODE2 hastwo types of alarms whose alarm severities are critical and warning, and the alarm current is fixedand greater than the normal working current; MODE 3 has two types of alarms whose alarmseverities are critical and warning, and the warning alarm current is periodical pulse current, whilethe critical alarm current is fixed.

Figure 2-2 Power supply current chart corresponding to MODE1


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When the power switch is set to ON, you need to set the current alarm threshold:

For the BTS, you can run the MML command SET BTSRXUBP/SET BTSDATUBPto set thecurrent alarm threshold.

For the NodeB, you can run the MML command SET ALDPWRSWto set the current alarmthreshold.

3Remote Electrical Tilt

This section describes a solution for remote adjustment of the antenna tilt.

The remote electrical tilt (RET) function corresponds to the feature MRFD-210602 Remote ElectricalTilt.

3.1 Overview of Remote Electrical Tilt

The RET refers to an antenna system whose tilt is controlled electrically. After an antenna isinstalled, the tilt of the antenna needs to be adjusted for the purpose of network optimization. Withthe RET feature, the phases of signals that reach the elements of the array antenna can be adjustedthrough electrical control, so as to change the vertical pattern of the antenna.


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The tilt of the RET antenna can be adjusted after the system is powered on and be monitored in realtime. In this way, precise adjustment of the antenna tilt can be achieved.

The RET feature provides the following benefits:

The RET antennas at more than one site can be remotely adjusted at the same time. Therefore,the efficiency of adjusting the antenna tilt is improved and the cost of network optimization is

reduced.

The adjustment of RET antennas can be performed irrespective of weather conditions.

It is easy to adjust the RET antennas at the sites that are difficult to reach.

The operating principles of RET are described in this chapter.

3.2 Operating Principles of RET

The tilt of the RET antenna can be adjusted remotely.

The phase shifter of the antenna can be controlled by the stepper motor outside or insidetheantenna. You can adjust the antenna tilt after the system is powered on and monitor the tilt in realtime. Therefore, the precise remote adjustment of the antenna tilt can be achieved.

Figure 3-1shows the operating principles of the RET antenna.

Figure 3-1 Operating principles of the RET antenna

The Remote Control Unit (RCU) is the driving motor of the phase shifter of the RET antenna. TheRCU receives and executes the control commands from the MBTS to drive the stepper motor. Apulling bar connects the stepper motor and the phase shifter. When the stepper motor is triggered,the pulling bar moves and then the phase of the phase shifter changes through the gears. In thissituation, the phase of each element of the array antenna changes regularly. Then, the direction ofthe main beam of the antenna changes accordingly. Thus, the antenna tilt is adjusted.
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3.3 Operating Principles of Huawei RET

Huawei MBTS supports the following types of RET antenna connection:

Directly connect the RET through multicore cables: It is applicable when the distance between theRRU and the RCU is shorter than 20 meters.

Figure 3-2 DBS Station connect the RET Antenna directly

Connect the RET via SBT: It is applicable when the distance between the RRU and the RCU islonger than 20 meters and the TMA is not used in the system.


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Figure 3-3 DBS Station connect the RET Antenna via SBT


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Figure 3-4 BTS Station connect the RET Antenna via SBT

Connect the RET together with the STMA: It is applicable when the distance between the RRUand the RCU is longer than 20 meters and the TMA is required by the system.


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Figure 3-5 DBS Station connect the RET Antenna together with STMA


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Figure 3-6 BTS Station connect the RET Antenna together with STMA

The MBTS supplies the DC power to the stepper motor and communicates with it through the AISGinterface on the motor.

In the Huawei RET solution, the RET antenna can be controlled remotely or locally through acommand sent from the M2000 or LMT respectively.

When directly connect the RET through multicore cables, the process of RET antenna control isas follows:

1. The M2000 or LMT issues the control command to the BBU, and then the BBU sends thecommand to the RRU.

2. The RRU modulates the control command into RS485 signals and then transmits the signalsfrom the RS485 port to the RCU through the control cable.

When connect the RET via the SBT, the process of RET antenna control is as follows:



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2. The RRU modulates the control command into On-Off-Keying (OOK) signals and then transmitsthe signals and the DC power from the RF port to the SBT.

3. The SBT demodulates the OOK signals into RS485 signals and then transmits the signals andpart of the DC power to the RCU.

When conect the RET together with STMA, the process of RET antenna control is as follows:


2. The RRU modulates the control command into OOK signals and then transmits the signals andthe DC power from the RF port to the STMA.

3. The STMA demodulates the OOK signals into RS485 signals and then transmits the signals andpart of the DC power to the RCU.

The Huawei RET solution supports the RET cascading control. Several cascaded RET antennas canbe controlled by the signals coming from the same control cable. The cascading solution helps savethe cost of the SBTs.

The Huawei RET solution also supports the 2G/3G RET cascading control. 3G RET antennas canbe cascaded with 2G RET antennas. When they are cascaded, the tilts of the 2G RET antennas canbe controlled on the OMC for 3G, and the tilts of the 3G RET antennas can also be controlled on theOMC for 2G. The cascading helps save the cost of SBTs and STMAs when the 2G and 3G RETantennas are installed at the same place.


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42-Way Antenna Receive Diversity

The 2-way antenna receive diversity function corresponds to the feature MRFD-210604 2-WayAntenna Receive Diversity.

With this feature, the same signal is received by two antennas. Then, the two ways of signals on thetwo antennas are combined after being processed. In this manner, the signal attenuation is reduced.

This feature is a technique for improving the receive sensitivity and uplink coverage, thus reducingthe CAPEX.

For details, see TX Diversity and RX Diversity Feature Parameter Descriptionof the RAN, and 2-Antenna Receive Diversity Feature Parameter Descriptionof the GBSS.


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5Parameters

5.1 Parameters of Connection With TMA

Table 5-1 Parameter description for GSM RXU board

Parameter ID NE MML Description

HAVETT1 BSC6900 SETBTSRXUBP(Optional)

Meaning: Whether the tower-top amplifier isinstalled on antenna tributary 1.

GUI Value Range: NO(NO), YES(YES)Actual Value Range: NO, YESUnit: NoneDefault Value: NO

ATTENFACTOR1 BSC6900 SETBTSRXUBP(Optional)

Meaning: TMA attenuation factor of antennatributary 1

GUI Value Range: 0~15Actual Value Range: 0~15Unit: dBDefault Value: 0

HAVETT2 BSC6900 SETBTSRXUBP(Optional)

Meaning: Whether the tower-top amplifier isinstalled on antenna tributary 2.

GUI Value Range: NO(NO), YES(YES)Actual Value Range: NO, YESUnit: dBDefault Value: NO

ATTENFACTOR2 BSC6900 SETBTSRXUBP(Optional)

Meaning: TMA attenuation factor of antennatributary 2

GUI Value Range: 0~15Actual Value Range: 0~15Unit: dBDefault Value: 0

PwrSwitchA BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_A tributary antennapower switch is ON, it is allowed to configurerelated parameters of the ANT_A tributary.

GUI Value Range: OFF(OFF), ON(ON)

Actual Value Range: OFF, ONUnit: NoneDefault Value: OFF


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ChkModA BSC6900 SETBTSRXUBP(Optional)

Meaning: Alarm mode of the ANT_A tributaryof an RXU board. There are three alarmmodes. Alarm mode 1 has only one type ofalarms. The alarm current is fixed and greater

than the normal working current.Alarm mode 2 has two types of alarms:warning alarms and critical alarms. The alarmcurrent is fixed and greater than the normalworking current.

Alarm mode 3 has two types of alarms:warning alarms and critical alarms. Thewarning alarm current is periodical pulsecurrent, while the critical alarm current isfixed.When the parameter is set to 1, "ANT_A ALDCurrent Minor Alarm Occur Th", "ANT_A ALDCurrent Minor Alarm Clear Th", "A ALD Cur-Minor Alarm Over-Cur Duration", and "A ALDCur-Minor Alarm N-Cur Duration" cannot beconfigured. When the parameter is set to 2, "A

ALD Cur-Minor Alarm Over-Cur Duration",and "A ALD Cur-Minor Alarm N-Cur Duration"cannot be configured. When the parameter isset to 3, "ANT_A ALD Current Minor AlarmOccur Th", and "ANT_A ALD Current Minor

Alarm Clear Th" cannot be configured.

GUI Value Range:UER_SELF_DEFINE1(User Self Defined

Type 1), UER_SELF_DEFINE2(User SelfDefined Type 2), UER_SELF_DEFINE3(serSelf Defined Type 3),TMA12DB_ONLY_NON_AISG(For 12 dBnon-AISG TMA),TMA24DB_ONLY_NON_AISG(For 24 dBnon-AISG TMA), RET_ONLY_COAXIAL(ForRET only (coaxial)), TMA12DB_AISG(For 12dB TMA and RET or 12 dB TMA (AISG)),TMA24DB_AISG(For 24 dB TMA and RET or24 dB TMA (AISG))

Actual Value Range: UER_SELF_DEFINE1,TMA12DB_ONLY_NON_AISG,

TMA24DB_ONLY_NON_AISG,RET_ONLY_COAXIAL, TMA12DB_AISG,TMA24DB_AISG, UER_SELF_DEFINE2,UER_SELF_DEFINE3Unit: NoneDefault Value: UER_SELF_DEFINE1


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OverCurAlmThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm raise thresholdtriggered by too heavy current of the ANT_Atributary antenna. When the actual current ishigher than the configured value, the ALD

Current Abnormally Alarm is triggered with thecorresponding alarm tributary No. of 0.

GUI Value Range: 10~3500Actual Value Range: 10~3500Unit: mADefault Value: 320

OverCurClrThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Clearance threshold for the alarmtriggered when the ANT_A tributary antennais over current. When the actual current isbelow this threshold, the ALD Current

Abnormal Alarm is cleared.


UnderCurAlmThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm triggeringthreshold when the ANT_A tributary antennacurrent is too light. When the actual current islower than the configured value, the ALDCurrent Abnormally Alarm is triggered with thecorresponding alarm tributary No. of 1.


UnderCurClrThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm clearancetriggering threshold when the ANT_A tributaryantenna current is too light. When the actualcurrent is higher than the configured value,the ALD Current Abnormally Alarmdisappears with the corresponding alarmtributary No. of 1.



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MinorAlmThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Threshold for triggering promptalarm clearance when the ANT_A tributaryantenna current is too heavy. When the actualcurrent is higher than the configured value,

the ALD Current Prompt Alarm clearance istriggered.


MinorClrThdA BSC6900 SETBTSRXUBP(Optional)

Meaning: Threshold for triggering promptalarm clearance when the ANT_A tributaryantenna current is too heavy. When the actualcurrent is lower than the configured value, the

ALD Current Prompt Alarm clearance is

triggered.


OverCurDurA BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_A tributary antennacurrent abnormally check mode is set to Mode3, the parameter ALD Current Prompt Alarmis checked by periodical pulse. The periodicalpulse consists of antenna over-currentduration and normal current duration. This

parameter is the ANT_A tributary antennaover-current duration.

GUI Value Range: 100~10000Actual Value Range: 100~10000Unit: msDefault Value: 1500

NormalCurDurA BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_A tributary antennacurrent abnormally check mode is set to Mode3, the parameter ALD Current Prompt Alarmis checked by periodical pulse. The periodicalpulse consists of antenna over-currentduration and normal current duration. Thisparameter is the ANT_A tributary antennanormal current duration.



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PwrSwitchB BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_B tributary antennapower switch is ON, it is allowed to configurerelated parameters of the ANT_B tributary.

GUI Value Range: OFF(OFF), ON(ON)Actual Value Range: OFF, ONUnit: NoneDefault Value: OFF


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ChkModB BSC6900 SETBTSRXUBP(Optional)

Meaning: Alarm mode of the ANT_B tributaryof an RXU board. There are three alarmmodes. Alarm mode 1 has only one type ofalarms. The alarm current is fixed and greater

than the normal working current.Alarm mode 2 has two types of alarms:warning alarms and critical alarms. The alarmcurrent is fixed and greater than the normalworking current.

Alarm mode 3 has two types of alarms:warning alarms and critical alarms. Thewarning alarm current is periodical pulsecurrent, while the critical alarm current isfixed.When the parameter is set to 1, "ANT_B ALDCurrent Minor Alarm Occur Th", "ANT_B ALDCurrent Minor Alarm Clear Th", "B ALD Cur-Minor Alarm Over-Cur Duration", and "B ALDCur-Minor Alarm N-Cur Duration" cannot beconfigured. When the parameter is set to 2, "B

ALD Cur-Minor Alarm Over-Cur Duration",and "B ALD Cur-Minor Alarm N-Cur Duration"cannot be configured. When the parameter isset to 3, "ANT_B ALD Current Minor AlarmOccur Th", and "ANT_B ALD Current Minor

Alarm Clear Th" cannot be configured.

GUI Value Range:UER_SELF_DEFINE1(User Self Defined

Type 1), UER_SELF_DEFINE2(User SelfDefined Type 2), UER_SELF_DEFINE3(serSelf Defined Type 3),TMA12DB_ONLY_NON_AISG(For 12 dBnon-AISG TMA),TMA24DB_ONLY_NON_AISG(For 24 dBnon-AISG TMA), RET_ONLY_COAXIAL(ForRET only (coaxial)), TMA12DB_AISG(For 12dB TMA and RET or 12 dB TMA (AISG)),TMA24DB_AISG(For 24 dB TMA and RET or24 dB TMA (AISG))

Actual Value Range: UER_SELF_DEFINE1,TMA12DB_ONLY_NON_AISG,

TMA24DB_ONLY_NON_AISG,RET_ONLY_COAXIAL, TMA12DB_AISG,TMA24DB_AISG, UER_SELF_DEFINE2,UER_SELF_DEFINE3Unit: NoneDefault Value: UER_SELF_DEFINE1


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OverCurAlmThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm raise thresholdtriggered by too heavy current of the ANT_Btributary antenna. When the actual current ishigher than the configured value, the ALD

Current Abnormally Alarm is triggered with thecorresponding alarm tributary No. of 0.


OverCurClrThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm clearancethreshold triggered by too heavy current of the

ANT_B tributary antenna. When the actualcurrent is lower than the configured value, the

ALD Current Abnormally Alarm clearance is

triggered with the corresponding alarmtributary No. of 0.


UnderCurAlmThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm triggeringthreshold when the ANT_B tributary antennacurrent is too light. When the actual current islower than the configured value, the ALDCurrent Abnormally Alarm is triggered with the

corresponding alarm tributary No. of 1.


UnderCurClrThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Abnormally alarm clearancetriggering threshold when the ANT_B tributaryantenna current is too light. When the actualcurrent is higher than the configured value,the ALD Current Abnormally Alarmdisappears with the corresponding alarmtributary No. of 1.



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MinorAlmThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Threshold for triggering promptalarm clearance when the ANT_B tributaryantenna current is too heavy. When the actualcurrent is higher than the configured value,

the ALD Current Prompt Alarm clearance istriggered.


MinorClrThdB BSC6900 SETBTSRXUBP(Optional)

Meaning: Threshold for triggering promptalarm clearance when the ANT_B tributaryantenna current is too heavy. When the actualcurrent is lower than the configured value, the

ALD Current Prompt Alarm clearance is

triggered.


OverCurDurB BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_B tributary antennacurrent abnormally check mode is set to Mode3, the parameter ALD Current Prompt Alarmis checked by periodical pulse. The periodicalpulse consists of antenna over-currentduration and normal current duration. This

parameter is the ANT_B tributary antennaover-current duration.


NormalCurDurB BSC6900 SETBTSRXUBP(Optional)

Meaning: When the ANT_B tributary antennacurrent abnormally check mode is set to Mode3, the parameter ALD Current Prompt Alarmis checked by periodical pulse. The periodicalpulse consists of antenna over-currentduration and normal current duration. Thisparameter is the ANT_B tributary antennanormal current duration.



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Table 5-2 Parameter description for GSM GATM board


AMPC0 BSC6900 SET

BTSDATUBP(Optional)

Meaning: Whether to supply power to the

TMA on tributary 0

GUI Value Range: DISABLED(Disabled),ENABLED(Enabled)

Actual Value Range: DISABLED,ENABLEDUnit: NoneDefault Value: DISABLED

MODE0 BSC6900 SETBTSDATUBP(Optional)

Meaning: Alarm mode of feed tributary 0.There are three alarm modes.

Alarm mode 1 has only one type of alarms.The alarm current is fixed and greater than

the normal working current.Alarm mode 2 has two types of alarms:warning alarms and critical alarms. The alarmcurrent is fixed and greater than the normalworking current.

Alarm mode 3 has two types of alarms:warning alarms and critical alarms. Thewarning alarm current is periodical pulsecurrent, while the critical alarm current isfixed.

GUI Value Range: MODE1(Mode1),

MODE2(Mode2), MODE3(Mode3)Actual Value Range: MODE1,MODE2,MODE3Unit: NoneDefault Value: MODE1

MAJORALMUP0 BSC6900 SETBTSDATUBP(Optional)

Meaning: Critical alarm threshold againstexcessive TMA feed current of feed tributary0. When the actual current is greater than thespecified value, a TMA feed current criticalalarm is generated.



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ALMD0 BSC6900 SETBTSDATUBP(Optional)

Meaning: If the feed current of the TMA ontributary 0 is smaller than the value of thisparameter, the TMA Low Temperature alarmis triggered.


MINORALMUP0 BSC6900 SETBTSDATUBP(Optional)

Meaning: Warning alarm threshold againstexcessive TMA feed current of feed tributary0. When the actual current is greater than thespecified value, a TMA feed current warningalarm is generated.

GUI Value Range: 0~2000

Actual Value Range: 0~2000Unit: mADefault Value: 170

AMPC1 BSC6900 SETBTSDATUBP(Optional)

Meaning: Whether to supply power to theTMA on tributary 1




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GUI Value Range: MODE1(Mode1),MODE2(Mode2), MODE3(Mode3)

Actual Value Range: MODE1,MODE2,MODE3Unit: NoneDefault Value: MODE1


Meaning: Critical alarm threshold againstexcessive TMA feed current of feed tributary1. When the actual current is greater than thespecified value, the TMA feed current criticalalarm is generated.




GUI Value Range: 0~2000Actual Value Range: 0~2000Unit: mA

Default Value: 30


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Meaning: Warning alarm threshold againstexcessive TMA feed current of feed tributary1. When the actual current is greater than thespecified value, the TMA feed current warning

alarm is generated.





Actual Value Range: DISABLED,

ENABLEDUnit: NoneDefault Value: DISABLED



Alarm mode 1 has only one type of alarms.The alarm current is fixed and greater thanthe normal working current.

Alarm mode 2 has two types of alarms:warning alarms and critical alarms. The alarmcurrent is fixed and greater than the normalworking current.



Actual Value Range: MODE1,MODE2,MODE3Unit: None

Default Value: MODE1


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Meaning: Critical alarm threshold againstexcessive TMA feed current of feed tributary2. When the actual current is greater than thespecified value, the TMA feed current critical

alarm is generated.







Meaning: Warning alarm threshold againstexcessive TMA feed current of feed tributary2. When the actual current is greater than thespecified value, the TMA feed current warningalarm is generated.


Default Value: 170






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Default Value: 30


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alarm is generated.





Actual Value Range: DISABLED,

ENABLEDUnit: NoneDefault Value: DISABLED



Alarm mode 1 has only one type of alarms.The alarm current is fixed and greater thanthe normal working current.

Alarm mode 2 has two types of alarms:warning alarms and critical alarms. The alarmcurrent is fixed and greater than the normalworking current.



Actual Value Range: MODE1,MODE2,MODE3Unit: None

Default Value: MODE1


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Meaning: Critical alarm threshold againstexcessive TMA feed current of feed tributary4. When the actual current is greater than thespecified value, the TMA feed current critical

alarm is generated.







Meaning: Warning alarm threshold againstexcessive TMA feed current of feed tributary4. When the actual current is greater than thespecified value, the TMA feed current warningalarm is generated.


Default Value: 170






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Default Value: 30


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alarm is generated.


Table 5-3 Parameter description for UMTS Connection With TMA


PWRSW NodeB SETALDPWRSW(Optional)Meaning: ALD power supply switch status

GUI Value Range: ON, OFFActual Value Range: ON, OFFUnit: NoneDefault Value: -

DEVTP NodeB ADD ALD(Optional)MOD ALD(Optional)

Meaning: ALD type

GUI Value Range: SINGLE_RET, STMA,MULTI_RET, SASU

Actual Value Range: SINGLE_RET, STMA,MULTI_RET, SASU

Unit: NoneDefault Value: -

GAIN NodeB SETTMAGAIN(Mandatory)

Meaning: STMA gain

GUI Value Range: 0~255Actual Value Range: 0~63.75Unit: dBDefault Value: -

ATTEN NodeB SETRXATTEN(Mandatory)

Meaning: It is the value of WRFU/RRU Rxattenuation.

GUI Value Range: 0, 4~30Actual Value Range: 0, 4~30Unit: dBDefault Value: -


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MODE NodeB SETTMAMODE(Mandatory)

Meaning: STMA working mode

GUI Value Range: NORMAL(Normal Mode),BYPASS(Bypass Mode)

Actual Value Range: NORMAL, BYPASS

Unit: NoneDefault Value: -

5.2 Parameters of Remote Rlectrical Tilt

Table 5-4 Parameter description


TILT NodeB SETANTTILT(Optional)

Meaning: RET antenna tilt

GUI Value Range: -100~300Actual Value Range: -10~30, Step:0.1

Unit: degreeDefault Value: -

AER NodeB SETTILTAER(Optional)

Meaning: It is the tilt alarm error range of the RET

antenna.


Actual Value Range: 0.0~1.0, Step:0.1

Unit: degree

Default Value: 5