CN103916895B - A kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier - Google Patents
A kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier Download PDFInfo
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- CN103916895B CN103916895B CN201310003535.XA CN201310003535A CN103916895B CN 103916895 B CN103916895 B CN 103916895B CN 201310003535 A CN201310003535 A CN 201310003535A CN 103916895 B CN103916895 B CN 103916895B
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- rru
- bbu
- power amplifier
- reset
- reseting event
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier, are related to mobile communication field, which comprises Base Band Unit BBU real-time detection Client-initiated reseting event；If detecting reseting event, inphase/orthogonal phase IQ link or the control RRU power amplifier shutdown of radio frequency remote unit RRU are interrupted；After reseting event, the IQ link or control RRU power amplifier for re-establishing RRU are opened.The present invention can protect RRU power amplifier in the side BBU, and abnormal data enters RRU power amplifier caused by RRU power amplifier and burns when BBU system reset or RRU interface sheet reset or product subsystem being effectively prevent to reset.
Description
Technical field
The present invention relates to mobile communication fields, in particular to a kind of to protect radio frequency remote unit RRU in the side Base Band Unit BBU
The method and related system of power amplifier.
Background technique
Base station system is made of BBU and RRU, as shown in Figure 1.The power amplifier of RRU is the core component of RRU, work it is steady
Can qualitative and reliability directly affects base station directly run, it is ensured that the normal covering of cell.Since power amplifier is high power device,
In the operational process of base station, if there is abnormal data, such as wide range signal, high-average power, burr etc. enter, it may lead
Power amplifier is caused to burn out.
Currently, power amplifier protection technique is mostly in the self-protecting of the side RRU, as shown in Figure 2.Pass through hardware detection and RRU software
The method that combines is controlled to realize.It is detected by the power to inphase/orthogonal phase I/Q signal, detects and may cause function
It puts in the case where burning out, closes and reduce transmission power using power amplifier to protect power amplifier.
RRU model is numerous, and there are difference for the abnormal data protective capability of various RRU power amplifier, when abnormal data is protected in the side RRU
Shield design it is incomplete, or can not accomplish 100% it is reliable when, there is a possibility that burning out power amplifier.
In terms of experimental data, BBU system reset, RRU interface sheet reset or the product subsystem artificially initiated reset, meeting
There is abnormal data to enter RRU power amplifier, power amplifier is caused to burn out.
Summary of the invention
The purpose of the present invention is to provide a kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier,
Abnormal data when artificial initiation BBU system reset, RRU interface sheet reset or product subsystem reset can be better solved to enter
RRU power amplifier and the problem of cause power amplifier to burn out.
According to an aspect of the invention, there is provided a kind of side of base station baseband cell protection Remote Radio Unit power amplifier
Method, comprising:
Base Band Unit BBU real-time detection Client-initiated reseting event；
If detecting reseting event, the inphase/orthogonal phase IQ link or control RRU function of radio frequency remote unit RRU are deleted
Put shutdown；
After reseting event, the IQ link or control RRU power amplifier for re-establishing RRU are opened.
Preferably, the reseting event includes that BBU system reset or RRU interface sheet reset or product subsystem reset.
Preferably, if the reseting event is BBU system reset, BBU initiates reset request to all RRU, to lead to
It crosses all RRU to reset, closes all RRU power amplifiers.
Preferably, after the BBU receives the confirmation message that RRU responds the reset request, peripheral board power down is controlled, and open
Dynamic master control sheet reset.
Preferably, if the reseting event is RRU interface sheet reset, BBU is by the corresponding RRU's of the RRU interface board
IQ link circuit deleting.
Preferably, after the IQ link circuit deleting of the RRU, BBU sends the notification message for reset to RRU interface board, with
Just make the RRU interface sheet reset.
Preferably, if the reseting event is that product subsystem resets, BBU is by the corresponding RRU of the product subsystem
On cell delete, and by the IQ link circuit deleting of the RRU.
Preferably, after the IQ link circuit deleting of the RRU, BBU starts the corresponding product related single-boards of the product subsystem
It resets.
According to another aspect of the present invention, provide a kind of base station baseband cell protection Remote Radio Unit power amplifier is
System, comprising:
Base Band Unit BBU is used for real-time detection Client-initiated reseting event, and when detecting reseting event, deletes
The inphase/orthogonal phase IQ link of radio frequency remote unit RRU or control RRU power amplifier shutdown, and after reseting event, it builds again
The IQ link of vertical RRU；
Radio frequency remote unit RRU, for closing RRU power amplifier under the control of BBU, and after reseting event, again
Open RRU power amplifier.
Preferably, the BBU includes:
Human-computer interaction module is used for real-time detection reseting event, and the reseting event includes that BBU system reset or RRU connect
Oralia resets or product subsystem resets.
Compared with prior art, the beneficial effects of the present invention are:
The limitation and not perfect property that the present invention is protected in view of the side RRU power amplifier are damaged from the side BBU for may cause power amplifier
Link, increase processing, the power amplifier of effective protection RRU.
Detailed description of the invention
Fig. 1 is the connection block diagram of the BBU that the prior art provides and RRU；
Fig. 2 is the power amplifier protective position schematic diagram that the prior art provides；
Fig. 3 is the method block diagram of base station baseband cell protection Remote Radio Unit power amplifier provided in an embodiment of the present invention；
Fig. 4 is the logic diagram of master control borad provided in an embodiment of the present invention；
Fig. 5 is the block diagram of two pieces of RRU interface boards of RRU connection provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Select embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention provides a kind of methods of BBU protection RRU power amplifier, and for preventing BBU system reset, RRU interface board is multiple
Damage when position, product subsystem reset to RRU power amplifier.
RRU power amplifier is burnt out there are two necessary condition:
1, RRU power amplifier is opened；
2, abnormal data flows into RRU power amplifier by IQ link.
The present invention achievees the purpose that protect RRU power amplifier by enabling one of condition be unsatisfactory for.
Fig. 3 is the method block diagram of base station baseband cell protection Remote Radio Unit power amplifier provided in an embodiment of the present invention, such as
Shown in Fig. 3, step includes:
Step 301, Base Band Unit BBU real-time detection Client-initiated reseting event.
In the step 301, the reseting event includes BBU system reset or RRU interface sheet reset or product subsystem
System resets.
If step 302 detects reseting event, inphase/orthogonal phase IQ link or the control of radio frequency remote unit RRU are deleted
RRU power amplifier shutdown processed.
If reseting event A, detected is BBU system reset, BBU initiates reset request to all RRU, will pass through
All RRU reset, and close all RRU power amplifiers.After the BBU receives the confirmation message that RRU responds the reset request, control is outer
Coaming plate power down, and start master control sheet reset.That is, before abnormal data enters RRU, closing RRU when BBU system reset
Power amplifier, specifically comprise the following steps:
A1, user input manmachine command (including the upgrading of base station resets, system version, master control sheet reset), and BBU detection resets
Event；
After A2, BBU detect above-mentioned reseting event, reset request is initiated to RRU；
After A3, RRU receive reset message, RRU power amplifier is closed, and respond to BBU and reset successful confirmation message；
After A4, BBU receive confirmation message, BBU is resetted.
If reseting event B, detected is RRU interface sheet reset, BBU is by the IQ of the corresponding RRU of the RRU interface board
Link circuit deleting.After the IQ link circuit deleting of the RRU, BBU sends the notification message for reset to RRU interface board, to make
State RRU interface sheet reset.That is, when RRU interface sheet reset, by delete IQ commutative relation (be equivalent to and disconnect the channel IQ,
IQ Switching Module shown in Figure 2), prevent abnormal data from flowing into RRU power amplifier by the channel IQ, specific steps include:
A1, user input manmachine command (RRU interface sheet reset), and BBU detects reseting event；
After A2, BBU detect above-mentioned reseting event, the IQ link of RRU is deleted, so that being no different regular data enters RRU function
It puts；
A3, RRU interface board is resetted.
If reseting event C, detected is that product subsystem resets, BBU will be on the corresponding RRU of the product subsystem
Cell delete, and by the IQ link circuit deleting of the RRU.After the IQ link circuit deleting of the RRU, BBU starts the product subsystem
Corresponding product related single-boards of uniting reset.That is, by deleting IQ commutative relation, being prevented different when product subsystem resets
Regular data flows into RRU power amplifier by the channel IQ, and specific steps include:
C1, user input manmachine command (product standard resets, product standard upgrades), and BBU detects reseting event；
After C2, BBU detect above-mentioned reseting event, the cell on RRU is deleted；
C3, BBU delete the IQ link of RRU, so that being no different regular data enters RRU power amplifier；
C4, product related single-boards reset.
After step 303, reseting event, the IQ link or control RRU power amplifier for re-establishing RRU are opened.
The present invention also provides a kind of systems of base station baseband cell protection Remote Radio Unit power amplifier, comprising:
Base Band Unit BBU is used for real-time detection Client-initiated reseting event, and when detecting reseting event, deletes
The inphase/orthogonal phase IQ link of radio frequency remote unit RRU or control RRU power amplifier shutdown, and after reseting event, it builds again
The IQ link of vertical RRU；
Radio frequency remote unit RRU, for closing RRU power amplifier under the control of BBU, and after reseting event, in RRU
On establish cell, reopen RRU power amplifier.
Wherein, Fig. 4 is the logic diagram of master control borad provided in an embodiment of the present invention, as shown in Figure 4, comprising:
Human-computer interaction module, is used for real-time detection Client-initiated reseting event, and the reseting event includes that BBU system is multiple
Position or RRU interface sheet reset or product subsystem reset.
Control module, for when detecting reseting event, control product subsystem to delete the same of radio frequency remote unit RRU
Phase/orthorhombic phase IQ link or control RRU reset, and RRU closing, which is attacked, puts；
Product subsystem, for deleting the IQ link of RRU under the control of control module, and after reseting event,
Re-establish the IQ link of RRU.
The master control borad is arranged in BBU.
Fig. 5 is the block diagram of two pieces of RRU interface boards of RRU connection provided in an embodiment of the present invention, as shown in figure 5, the side BBU is protected
The specific implementation step of RRU power amplifier is as follows:
Embodiment 1, BBU system reset
1, base station resets
The first step, user initiate base station resets, and human-computer interaction module detects reseting event, and sends messages to control mould
Block, control module send reset message to all RRU, and master control borad logic chart is referring to fig. 4；
Second step, RRU are resetted according to the reset message received, and RRU power amplifier is closed, although at this point, having exception
Data, but not enter RRU power amplifier；
Third step, RRU are responded to BBU resets successful confirmation message；
After 4th step, BBU receive the confirmation message, control module sends power-down message to all peripheral boards, makes outer
Coaming plate power-off reset；
5th step, control module start master control sheet reset.
2, system version upgrades
The first step, user's activation system edition upgrading, human-computer interaction module detects reseting event, and sends messages to control
Molding block, control module send messages to all RRU；
Second step, RRU are resetted according to the reset message received, and RRU power amplifier is closed, although at this point, having exception
Data, but not enter RRU power amplifier；
Third step, RRU are responded to BBU resets successful confirmation message；
After 4th step, BBU receive the confirmation message, control module sends power-down message to all peripheral boards, makes outer
Coaming plate power-off reset；
5th step, control module start master control sheet reset.
3, master control sheet reset
The first step, user reset master control borad, and human-computer interaction module detects reseting event, and sends messages to control mould
Block, control module send messages to all RRU,
Second step, RRU are resetted according to the reset message received, and RRU power amplifier is closed, although at this point, having exception
Data, but not enter RRU power amplifier；
Third step, RRU are responded to BBU resets successful confirmation message；
After 4th step, BBU receive the confirmation message, control module sends power-down message to all peripheral boards, makes outer
Coaming plate power-off reset；
5th step, control module start master control sheet reset.
Embodiment 2, RRU interface sheet reset
Common mode RRU is connected on two pieces of RRU interface boards, and the RRU interface board is Optical Fiber Interface Board, as shown in figure 5, if multiple
Position one piece of Optical Fiber Interface Board therein is shut off the power amplifier of RRU, and it is straight to will lead to the Zone to come by another piece of Optical Fiber Interface Board
Interruption is connect, therefore Optical Fiber Interface Board is resetted using the IQ link (interface that the IQ link pair of the RRU of deletion should be resetted for deleting RRU
The IQ link of plate) mode, prevent abnormal data by the channel IQ flow into RRU power amplifier.
The first step, user, which trigger, resets RRU interface board；
Second step, human-computer interaction module detect reseting event, notify control module, control module that product is notified to delete
The IQ link of RRU, IQ link circuit deleting, so that being no different regular data enters RRU power amplifier, to protect the power amplifier of RRU；
Third step, control module notify RRU interface sheet reset；
4th step, RRU interface board power-off reset.
Embodiment 3, product subsystem reset
For bimodulus RRU, RRU is upper to carry TD-SCDMA business and TDLTE business simultaneously, when TD-SCDMA product subsystem
When system resets, the power amplifier for closing RRU is removed, will lead to the service disconnection of TDLTE, it is undesirable.Therefore, when TD-SCDMA product
When reset, by deleting the corresponding IQ link of TD-SCDMA product, to protect RRU power amplifier.
1, product standard resets
The first step, user trigger product standard and reset；
After second step, human-computer interaction module detect reseting event, control module, control module is notified to notify product, make
Product standard resets；
Third step, product delete product business；
4th step, product delete the IQ link of RRU, so that being no different regular data enters RRU power amplifier, to protect the function of RRU
It puts；
5th step, product related single-boards reset.
2, product standard upgrades
The first step, user trigger the upgrading of product standard；
After second step, human-computer interaction module detect reseting event, control module, control module is notified to notify product subsystem
System resets；
Third step, product delete product business；
4th step, product delete the IQ link of RRU, so that being no different regular data enters RRU power amplifier, to protect RRU power amplifier；
5th step, product related single-boards reset.
Certainly, the present invention can also have other numerous embodiments, and the single mode and multimode that can be applied to a variety of wireless standards produce
Product, without deviating from the spirit and substance of the present invention, those familiar with ordinary skill in the art can be done according to the present invention
Various corresponding changes and modifications out.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (7)
1. a kind of method of base station baseband cell protection Remote Radio Unit power amplifier characterized by comprising
Base Band Unit BBU real-time detection Client-initiated reseting event；
If detecting reseting event, the BBU deletes the inphase/orthogonal phase IQ link or control RRU of radio frequency remote unit RRU
Power amplifier shutdown；
After reseting event, the BBU re-establishes the IQ link of RRU or control RRU power amplifier is opened；
If the reseting event is BBU system reset, BBU initiates reset request to all RRU, multiple will pass through all RRU
Position, closes all RRU power amplifiers；After the BBU receives the confirmation message that RRU responds the reset request, peripheral board power down is controlled,
And start master control sheet reset.
2. the method according to claim 1, wherein if the reseting event is RRU interface sheet reset, BBU
By the IQ link circuit deleting of the corresponding RRU of the RRU interface board；
After the IQ link circuit deleting of the RRU, BBU sends the notification message for reset to RRU interface board, to make the RRU
Interface sheet reset.
3. the method according to claim 1, wherein if the reseting event is the reset of product subsystem, BBU
Cell on the corresponding RRU of the product subsystem is deleted, and by the IQ link circuit deleting of the RRU；
After the IQ link circuit deleting of the RRU, BBU starts the corresponding product related single-boards of the product subsystem and resets.
4. a kind of system of base station baseband cell protection Remote Radio Unit power amplifier characterized by comprising
Base Band Unit BBU is used for real-time detection Client-initiated reseting event, and when detecting reseting event, deletes radio frequency
The inphase/orthogonal phase IQ link of extension unit RRU or control RRU power amplifier shutdown, and after reseting event, it re-establishes
The IQ link of RRU；
Radio frequency remote unit RRU is reopened for closing RRU power amplifier under the control of BBU, and after reseting event
RRU power amplifier；
Wherein, if the reseting event is BBU system reset, BBU initiates reset request to all RRU, all will pass through
RRU resets, and closes all RRU power amplifiers；After the BBU receives the confirmation message that RRU responds the reset request, peripheral board is controlled
Power down, and start master control sheet reset.
5. system according to claim 4, which is characterized in that the BBU includes:
Human-computer interaction module is used for real-time detection reseting event.
6. system according to claim 4, which is characterized in that if the reseting event is RRU interface sheet reset, BBU
By the IQ link circuit deleting of the corresponding RRU of the RRU interface board；After the IQ link circuit deleting of the RRU, BBU is sent to RRU interface board
For the notification message of reset, to make the RRU interface sheet reset.
7. system according to claim 4, which is characterized in that if the reseting event is that product subsystem resets, BBU
Cell on the corresponding RRU of the product subsystem is deleted, and by the IQ link circuit deleting of the RRU；The IQ link of the RRU
After deletion, BBU starts the corresponding product related single-boards of the product subsystem and resets.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003535.XA CN103916895B (en) | 2013-01-06 | 2013-01-06 | A kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier |
| PCT/CN2013/084226 WO2014106399A1 (en) | 2013-01-06 | 2013-09-25 | Method and system for protecting power amplifier of radio remote unit by base band unit of base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003535.XA CN103916895B (en) | 2013-01-06 | 2013-01-06 | A kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103916895A CN103916895A (en) | 2014-07-09 |
| CN103916895B true CN103916895B (en) | 2019-01-04 |
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| CN201310003535.XA Active CN103916895B (en) | 2013-01-06 | 2013-01-06 | A kind of method and system of base station baseband cell protection Remote Radio Unit power amplifier |
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| Country | Link |
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| CN (1) | CN103916895B (en) |
| WO (1) | WO2014106399A1 (en) |
Families Citing this family (2)
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| CN104753723B (en) * | 2015-04-08 | 2018-04-20 | 华为技术有限公司 | The board resetting method, apparatus and equipment of a kind of baseband processing unit |
| EP3718225B1 (en) * | 2017-11-27 | 2022-08-17 | Commscope Technologies LLC | Systems and methods for emergency operation of a wireless communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| CN102064880A (en) * | 2009-11-13 | 2011-05-18 | 中兴通讯股份有限公司 | Radio frequency remote module and power amplifier protection method thereof |
| EP2482593A1 (en) * | 2009-10-23 | 2012-08-01 | ZTE Corporation | Method and system for realizing carrier wave control |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272583B (en) * | 2005-06-30 | 2012-01-04 | 华为技术有限公司 | Method for near-end maintaining radio remote module |
| CN101399594B (en) * | 2008-11-06 | 2011-11-16 | 北京创毅视讯科技有限公司 | Control means for repeater with echo-wave elimination function |
| CN102316558A (en) * | 2010-06-30 | 2012-01-11 | 中兴通讯股份有限公司 | Method and device for realizing wireless base station power supply management and control |
| CN102264090A (en) * | 2011-08-15 | 2011-11-30 | 中兴通讯股份有限公司 | Method and device for processing outage alarm of base station |
-
2013
- 2013-01-06 CN CN201310003535.XA patent/CN103916895B/en active Active
- 2013-09-25 WO PCT/CN2013/084226 patent/WO2014106399A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| EP2482593A1 (en) * | 2009-10-23 | 2012-08-01 | ZTE Corporation | Method and system for realizing carrier wave control |
| CN102064880A (en) * | 2009-11-13 | 2011-05-18 | 中兴通讯股份有限公司 | Radio frequency remote module and power amplifier protection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103916895A (en) | 2014-07-09 |
| WO2014106399A1 (en) | 2014-07-10 |
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