CN102802170B - Obtain method, device and the base station of ethernet data frame - Google Patents
Obtain method, device and the base station of ethernet data frame Download PDFInfo
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- CN102802170B CN102802170B CN201110139125.9A CN201110139125A CN102802170B CN 102802170 B CN102802170 B CN 102802170B CN 201110139125 A CN201110139125 A CN 201110139125A CN 102802170 B CN102802170 B CN 102802170B
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- data frame
- ethernet data
- cpri protocol
- external interface
- interface module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
Abstract
Present invention is disclosed a kind of method for obtaining ethernet data frame, including：, while interaction CPRI protocol data frames, CPRI protocol data frame in ethernet data frames are extracted by the Base Band Unit or radio frequency unit, and are sent to the acquisition equipment external with the Base Band Unit or radio frequency unit for Base Band Unit and radio frequency unit.The invention allows for corresponding device and base station.A kind of method for obtaining ethernet data frame proposed by the present invention, device and base station, can achieve easily to obtain ethernet data frame.
Description
Technical field
The present invention relates to the communications field, is related specifically to a kind of method for obtaining ethernet data frame, device and base station.
Background technology
In the base station system of mobile communication, single base station is generally divided into Base Band Unit and radio frequency unit.Single building
During base station, radio frequency unit can be combined together composition centralized base station with Base Band Unit, it is also possible to independently place and formed
Distributed base station system.
With the development of mobile communication technology, especially in 3-G (Generation Three mobile communication system), tradition by Base Band Unit and is penetrated
The base station that frequency unit is concentrated in together is difficult the needs for adapting to quick networking.Therefore base station of new generation is most adopts distributed base
Stand system, that is, form Base Band Unit (Base Band Unit, Base Band Unit) as shown in Figure 1 plus radio frequency unit (Radio
Unit, radio frequency unit) networking new architecture.Connected using optical fiber (cable) between Base Band Unit and radio frequency unit, employing logical
News agreement is then mainly CPRI (Common Public Radio Interface, common public radio interface) protocol specification.
CPRI protocol specifications be by the standard of communications industry Nei Duo company cooperation joint development, it to wireless base station inside
(Radio Equipment, wirelessly set for REC (Radio Equipment Controller, wireless device controls center) and RE
Standby) between key interface carried out specification, Fig. 2 is shown in by CPRI protocol data frame structures.Based on CPRI protocol specifications, can improve
The versatility of the interface of Base Band Unit and radio frequency unit.In mobile communication base station system, the corresponding Base Band Unit of REC, RE pair
Should be in radio frequency unit.
As shown in figure 3, Ethernet (Ethernet) Frame is encapsulated in CPRI protocol data frames as a son
Frame is transmitted, CPRI protocol data frames can also include needing to interact between other Base Band Unit and radio frequency unit other
The data burst of protocol format.Generally, Base Band Unit such as collects at the Operation and Maintenance letter to the configuration management of radio frequency unit, alarm
Breath is transmitted by ethernet data frame, if user needs the information for checking ethernet data frame, is needed to ether
Net data frame is captured.But it is CPRI protocol data frames due to transmitted between Base Band Unit and radio frequency unit, if will
Capture ethernet data frame therein, it is necessary first to CPRI protocol data frames are parsed by other professional equipments, extract
The ethernet data frame being encapsulated in CPRI protocol data frames, and can not affect normal between Base Band Unit and radio frequency unit
Communication.Can not otherwise be directly viewable, this causes conventional Ethernet data frame-grab software complete to capture.
Content of the invention
The main object of the present invention is to provide a kind of method for obtaining ethernet data frame, device and base station, can achieve letter
Just ethernet data frame is obtained.
The present invention proposes a kind of method for obtaining ethernet data frame, including:
Base Band Unit and radio frequency unit while interaction CPRI protocol data frames, the Base Band Unit or radio frequency unit
CPU module sends ethernet data frame to CPRI protocol modules and the capture dress external with the Base Band Unit or radio frequency unit
Put；Or CPRI protocol data frame in ethernet data frames are carried out by the CPRI protocol modules of the Base Band Unit or radio frequency unit
Extract, the ethernet data frame for extracting is sent to external with the Base Band Unit or radio frequency unit by CPU module
Acquisition equipment.
Preferably, the Base Band Unit and radio frequency unit be while interaction CPRI protocol data frames, the Base Band Unit
Or radio frequency unit CPU module send ethernet data frame to CPRI protocol modules and with the Base Band Unit or radio frequency unit outside
The acquisition equipment for connecing；Or the CPRI protocol modules of the Base Band Unit or radio frequency unit are by CPRI protocol data frame in Ethernets
Frame is extracted, by extract the ethernet data frame by CPU module send to the Base Band Unit or radio frequency
The external acquisition equipment of unit includes：
The CPU module of the Base Band Unit or radio frequency unit sends ethernet data frame and gives public radio interface CPRI agreement
While module or afterwards, the ethernet data frame is sent to the external interface module in addition to CPRI protocol interfaces；Or
While the ethernet data frame that CPU module reception CPRI protocol modules send or afterwards, the ethernet data frame is forwarded extremely
The external interface module；
The external interface module sends ethernet data frame to the acquisition equipment.
Preferably, the CPU module sends ethernet data frame to while CPRI protocol modules or afterwards, sends described
Ethernet data frame includes to external interface module：
While the CPU module sends ethernet data frame to CPRI protocol modules, the ethernet data frame is replicated,
And send the ethernet data frame of the duplication to the external interface module；Or,
After the CPU module sends ethernet data frame to the CPRI protocol modules of local terminal, by the Ethernet data
Frame is secondary to be sent to the external interface module.
Preferably, while the ethernet data frame that the CPU module reception CPRI protocol modules send or afterwards, forward
The ethernet data frame includes to external interface module：
While the CPU module receives the ethernet data frame that CPRI protocol modules send, the ether netting index is replicated
According to frame, and the ethernet data frame of the duplication is sent to the external interface module；Or,
After the CPU module receives the ethernet data frame that CPRI protocol modules send, by the Ethernet data
Frame is secondary to be sent to the external interface module.
The present invention also proposes a kind of device for obtaining ethernet data frame, assists including CPU module, public radio interface CPRI
View module and the external interface module in addition to CPRI protocol interfaces, the CPU module send ethernet data frame and assist to CPRI
While view module or afterwards, the ethernet data frame is sent to external interface module；Or CPU module receives CPRI agreements
While the ethernet data frame that module sends or afterwards, the ethernet data frame is forwarded to external interface module；
The external interface module sends ethernet data frame to the capture dress with capture ethernet data frame ability
Put.
Preferably, the external interface module is ethernet interface module or serial communication interface module.
Preferably, the CPU module specifically for：
While ethernet data frame is sent to CPRI protocol modules, the ethernet data frame is replicated, and will be described multiple
The ethernet data frame of system is sent to the external interface module；Or,
Send ethernet data frame to the CPRI protocol modules of local terminal after, by secondary for the ethernet data frame send to
The external interface module.
Preferably, the CPU module is additionally operable to：
While receiving the ethernet data frame that CPRI protocol modules send, the ethernet data frame is replicated, and by institute
The ethernet data frame for stating duplication is sent to the external interface module；Or,
After receiving the ethernet data frame that CPRI protocol modules send, by secondary for the ethernet data frame send to
The external interface module.
The present invention also proposes a kind of base station, is interacting including Base Band Unit and radio frequency unit, Base Band Unit and radio frequency unit
While CPRI protocol data frames, the Base Band Unit or radio frequency unit are used for sending ethernet data frame extremely by CPU module
CPRI protocol modules and the acquisition equipment external with the Base Band Unit or radio frequency unit；Or will by CPRI protocol modules
CPRI protocol data frame in ethernet data frames are extracted, and the ethernet data frame for extracting is sent by CPU module
To the acquisition equipment external with the Base Band Unit or radio frequency unit.
Preferably, the Base Band Unit or radio frequency unit include CPU module, public radio interface CPRI protocol module and remove
External interface module beyond CPRI protocol interfaces, the CPU module send ethernet data frame to the same of CPRI protocol modules
When or afterwards, send the ethernet data frame to external interface module；Or CPU module receives what CPRI protocol modules sent
While ethernet data frame or afterwards, the ethernet data frame is forwarded to external interface module；
The external interface module sends ethernet data frame to the capture dress with capture ethernet data frame ability
Put.
Preferably, the external interface module is ethernet interface module or serial communication interface module.
Preferably, the CPU module specifically for：
While ethernet data frame is sent to CPRI protocol modules, the ethernet data frame is replicated, and will be described multiple
The ethernet data frame of system is sent to the external interface module；Or,
Send ethernet data frame to the CPRI protocol modules of local terminal after, by secondary for the ethernet data frame send to
The external interface module.
Preferably, the CPU module is additionally operable to：
While receiving the ethernet data frame that CPRI protocol modules send, the ethernet data frame is replicated, and by institute
The ethernet data frame for stating duplication is sent to the external interface module；Or,
After receiving the ethernet data frame that CPRI protocol modules send, by secondary for the ethernet data frame send to
The external interface module.
Proposed by the present invention a kind of obtain the method for ethernet data frame, device and base station, capture base band list that can be easy
Unit and the ethernet data frame being encapsulated in CPRI protocol data frames interacted between radio frequency unit, by the method and device,
Ethernet data content frame can be directly viewable or which is captured using conventional Ethernet data frame-grab software and
Assistant analysis.
Description of the drawings
Fig. 1 is the configuration diagram of distributed base station in prior art；
CPRI protocol data frame schematic diagrams of the Fig. 2 for prior art；
Transmission schematic diagrams of the Fig. 3 for prior art ethernet data frame；
Fig. 4 is the schematic flow sheet of one embodiment of method that the present invention obtains ethernet data frame；
Fig. 5 is a schematic flow sheet of obtaining step in one embodiment of method for obtaining ethernet data frame of the invention；
Fig. 6 is another schematic flow sheet of obtaining step in one embodiment of method for obtaining ethernet data frame of the invention；
Fig. 7 is the structural representation of one embodiment of device that the present invention obtains ethernet data frame；
Fig. 8 is the structural representation of one embodiment of base station of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only in order to explain the present invention.
With reference to Fig. 4, one embodiment of method that the present invention obtains ethernet data frame is proposed, including：
, while interaction CPRI protocol data frames, the Base Band Unit or radio frequency unit will for Base Band Unit and radio frequency unit
CPRI protocol data frame in ethernet data frames are extracted, and are sent to external with the Base Band Unit or radio frequency unit and caught
Obtain device.
Above-mentioned steps may include：
The CPU module of step S10, Base Band Unit or radio frequency unit sends ethernet data frame to the same of CPRI protocol modules
When or afterwards, send the ethernet data frame to the external interface module in addition to CPRI protocol interfaces；Or CPU module connects
While the ethernet data frame that receipts CPRI protocol modules send or afterwards, the ethernet data frame is forwarded to external interface mould
Block；
The CPRI protocol modules of Base Band Unit (radio frequency unit) are responsible for entering including the Frame including ethernet data frame
Row encapsulation and parsing.When sending data, the data for needing to send are issued base band by each functional module of Base Band Unit (radio frequency unit)
CPRI protocol modules on unit (radio frequency unit) (are exactly that the present invention will catch wherein by the ethernet data frame that CPU module sends
The transmission data for obtaining), all data are packaged into CPRI protocol data frames according to protocol format and are sent by CPRI protocol modules
Give opposite end radio frequency unit (Base Band Unit)；During receiving data, CPRI protocol modules on Base Band Unit (radio frequency unit) are to from right
The CPRI protocol data frames that end radio frequency unit (Base Band Unit) receives are parsed, and the data for parsing are issued corresponding base band
Unit (radio frequency unit) functional module is processed, and (ethernet data frame for being wherein sent to CPU module is exactly that the present invention will catch
The data for obtaining).
Above-mentioned CPU module may include two submodules again：Data transmit-receive submodule and data processing submodule.Wherein data
Transmitting-receiving submodule is responsible for receiving and sends ethernet data frame, to complete the Operation and Maintenance information with radio frequency unit (Base Band Unit)
Interaction, and data processing submodule is processed to the ethernet data frame for receiving, and is Ethernet data to be sent
The source of frame.
In the present embodiment, CPRI protocol modules are responsible for extracting the ethernet data frame in CPRI protocol data frames,
CPU module is responsible for forwarding ethernet data frame, and external interface module is responsible for sending ethernet data frame from interface.
When Base Band Unit carries out data interaction with radio frequency unit, any of which end is only needed to obtain Ethernet in transmission or receiving data
Frame, CPU module send the ether netting index while ethernet data frame is sent to CPRI protocol modules or afterwards
According to frame to external interface module, or while the ethernet data frame that CPRI protocol modules send is received or afterwards, forward
The ethernet data frame is to external interface module.
Step S11, the external interface module send ethernet data frame to capture ethernet data frame ability
Acquisition equipment.
Using Ethernet connecting line or serial communication connecting line by the Ethernet interface or string of Base Band Unit (radio frequency unit)
Line interface has the meter of for example common ethernet data frame capture software of the acquisition equipment for capturing ethernet data frame ability with installing
Calculation machine connects, you can the Frame of the Ethernet that CPU module sends is captured using Ethernet data frame-grab software
And analysis.
In the present embodiment, interacted between capture Base Band Unit that can be easy and radio frequency unit is encapsulated in CPRI protocol datas
Ethernet data frame in frame, with it, Ethernet data content frame can be directly viewable or using conventional ether
Net data frame capture software is captured to which and assistant analysis.
In one embodiment, the external interface module is ethernet interface module or serial communication interface module.
External interface module be used for receive and dispatch CPU module transmission ethernet data frame, can be ethernet interface module or
Serial communication interface module, wherein, ethernet interface module is used for receiving on the Ethernet interface of Base Band Unit (radio frequency unit)
Ethernet data frame is sent out, and serial communication interface module is used for associated serial communication protocol data to be received and dispatched on serial communication interface
Frame.Above-mentioned two interface module such as is typically all used for debugging, safeguards at other purposes, is the indispensability on Base Band Unit (radio frequency unit)
Module, without the need for separately configuring, can reach cost-effective purpose.
With reference to Fig. 5, in the above-described embodiments, step S10 includes：
While step S101, the CPU module send ethernet data frame to CPRI protocol modules, the ether is replicated
Net data frame, and the ethernet data frame of the duplication is sent to the external interface module；Or,
Step S102, the CPU module send ethernet data frame to the CPRI protocol modules of local terminal after, by described with
Too net data frame is secondary sends to the external interface module.
Ethernet data frame is sent by the data transmit-receive submodule of CPU module in the data processing submodule of CPU module
While to CPRI protocol modules, cpu data transmitting-receiving submodule replicates a identical ethernet data frame；Data transmit-receive submodule
The ethernet data frame of duplication is sent to external interface module by block, is sent from corresponding interface by external interface module.
Or the ethernet data frame that the data processing submodule of CPU module will send is received by the data of CPU module
Send out after submodule gives CPRI protocol modules, the data transmit-receive submodule of CPU module carries out second to the ethernet data frame again
Secondary transmission, that is, be sent to external interface module, is sent from corresponding interface by external interface module.
With reference to Fig. 6, in the above-described embodiments, step S10 includes：
While step S103, the CPU module receive the ethernet data frame that CPRI protocol modules send, replicate described
Ethernet data frame, and the ethernet data frame of the duplication is sent to the external interface module；Or,
After step S104, the CPU module receive the ethernet data frame that CPRI protocol modules send, by described with
Too net data frame is secondary sends to the external interface module.
CPRI protocol modules are parsed to the CPRI protocol data frames for receiving, and ethernet data frame therein is sent to
The data transmit-receive submodule of CPU module；Data transmit-receive submodule receives the ethernet data frame that CPRI protocol modules are sent, and is pressing
Be sent to according to normal mode CPU module data processing submodule while, replicate a identical ethernet data frame；Data
The ethernet data frame of duplication is sent to external interface module by transmitting-receiving submodule, by external interface module from corresponding interface
Send；
Or data transmit-receive submodule receives the ethernet data frame that CPRI protocol modules are sent, sending out according to normal mode
After giving the data processing submodule of CPU module, the data transmit-receive submodule of CPU module carries out again to the ethernet data frame
Secondary transmission, that is, be sent to external interface module, is sent from corresponding interface by external interface module.
With reference to Fig. 7, propose 300 1 embodiment of device that the present invention obtains ethernet data frame, including CPU module 10,
CPRI protocol modules 20 and the external interface module 30 in addition to CPRI protocol interfaces, the CPU module 10 send ether netting index
According to frame to while CPRI protocol modules 20 or afterwards, sending the ethernet data frame to external interface module 30；Or CPU
While the ethernet data frame that the reception CPRI of module 10 protocol modules 20 send or afterwards, the ethernet data frame is forwarded extremely
External interface module 30；
The external interface module 30 sends ethernet data frame to the capture with capture ethernet data frame ability
Device.
The device 300 of the acquisition ethernet data frame of the present embodiment can be Base Band Unit or radio frequency unit.Its CPRI association
View module 20 is responsible for being packaged including the Frame including ethernet data frame and parsing.When sending data, Base Band Unit
The data for needing to send are issued the CPRI protocol modules 20 on Base Band Unit (radio frequency unit) by (radio frequency unit) each functional module
(ethernet data frame for wherein being sent by CPU module 10 is exactly present invention transmission data to be captured), by CPRI protocol modules
All data are packaged into CPRI protocol data frames according to protocol format and are sent to opposite end radio frequency unit (Base Band Unit) by 20；Connect
When receiving data, the CPRI protocol modules 20 pairs on Base Band Unit (radio frequency unit) are received from opposite end radio frequency unit (Base Band Unit)
CPRI protocol data frames are parsed, and the data for parsing are issued corresponding Base Band Unit (radio frequency unit) functional module is carried out
Process (ethernet data frame for being wherein sent to CPU module 10 is exactly present invention data to be captured).
Above-mentioned CPU module 10 may include two submodules again：Data transmit-receive submodule and data processing submodule.Wherein count
It is responsible for receiving according to transmitting-receiving submodule and sends ethernet data frame, is believed with the Operation and Maintenance completed with radio frequency unit (Base Band Unit)
The interaction of breath, and data processing submodule is processed to the ethernet data frame for receiving, and be ether netting index to be sent
Source according to frame.
In the present embodiment, CPRI protocol modules 20 are responsible for carrying the ethernet data frame in CPRI protocol data frames
Take, CPU module 10 is responsible for forwarding ethernet data frame, and external interface module 30 is responsible for ethernet data frame from interface
On send.When Base Band Unit carries out data interaction with radio frequency unit, any of which end is only needed to obtain in transmission or receiving data
Ethernet data frame is taken, and, while ethernet data frame being sent to CPRI protocol modules or afterwards, sending should for CPU module
Ethernet data frame to external interface module, or while the ethernet data frame that CPRI protocol modules send is received or it
Afterwards, the ethernet data frame is forwarded to external interface module.
Using Ethernet connecting line or serial communication connecting line by the Ethernet interface or string of Base Band Unit (radio frequency unit)
Line interface has the meter of for example common ethernet data frame capture software of the acquisition equipment for capturing ethernet data frame ability with installing
Calculation machine connects, you can the ethernet data frame that CPU module sends is captured using Ethernet data frame-grab software and is divided
Analysis.
In the present embodiment, interacted between capture Base Band Unit that can be easy and radio frequency unit is encapsulated in CPRI protocol datas
Ethernet data frame in frame, by the device, can be directly viewable Ethernet data content frame or using conventional ether
Net data frame capture software is captured to which and assistant analysis.
In one embodiment, the external interface module 30 is ethernet interface module or serial communication interface module.
External interface module 30 is used for the ethernet data frame for receiving and dispatching the transmission of CPU module 10, can be Ethernet interface mould
Block or serial communication interface module, wherein, ethernet interface module is used for the Ethernet interface in Base Band Unit (radio frequency unit)
Upper transmitting-receiving ethernet data frame, and serial communication interface module is used for receiving and dispatching associated serial communication agreement on serial communication interface
Frame.Above-mentioned two interface module such as is typically all used for debugging, safeguards at other purposes, is on Base Band Unit (radio frequency unit)
Indispensable module, without the need for separately configuring, can reach cost-effective purpose.
In the above-described embodiments, CPU module 10 specifically for：
While ethernet data frame is sent to CPRI protocol modules 20, the ethernet data frame is replicated, and will be described
The ethernet data frame of duplication is sent to the external interface module 30；Or,
After ethernet data frame is sent to the CPRI protocol modules 20 of local terminal, by secondary for ethernet data frame transmission
To the external interface module 30.
Ether netting index is sent by the data transmit-receive submodule of CPU module 10 in the data processing submodule of CPU module 10
While according to frame to CPRI protocol modules 20, cpu data transmitting-receiving submodule replicates a identical ethernet data frame；Data are received
Send out submodule and the ethernet data frame of duplication is sent to external interface module 30, by external interface module 30 from corresponding interface
Send.
Or number of the ethernet data frame that will send of the data processing submodule of CPU module 10 by CPU module 10
Give after CPRI protocol modules 20 according to transmitting-receiving submodule, the data transmit-receive submodule of CPU module 10 is again to the ethernet data frame
Second transmission is carried out, that is, is sent to external interface module 30, sent from corresponding interface by external interface module 30.
In the above-described embodiments, CPU module 10 is additionally operable to：
While receiving the ethernet data frame that CPRI protocol modules 20 send, the ethernet data frame is replicated, and will
The ethernet data frame of the duplication is sent to the external interface module 30；Or,
After receiving the ethernet data frame that CPRI protocol modules 20 send, by secondary for ethernet data frame transmission
To the external interface module 30.
The CPRI protocol data frames that CPRI protocol modules 20 pairs are received are parsed, and ethernet data frame therein is sent
Data transmit-receive submodule to CPU module 10；Data transmit-receive submodule receives the Ethernet data that CPRI protocol modules 20 are sent
Frame, while the data processing submodule of CPU module 10 is sent to according to normal mode, replicates a identical ether netting index
According to frame；The ethernet data frame of duplication is sent to external interface module 30 by data transmit-receive submodule, by external interface module 30
Send from corresponding interface.
Or data transmit-receive submodule receives the ethernet data frame that CPRI protocol modules 20 are sent, according to normal mode
After being sent to the data processing submodule of CPU module 10, the data transmit-receive submodule of CPU module 10 is again to the ethernet data frame
Second transmission is carried out, that is, is sent to external interface module, sent from corresponding interface by external interface module.
With reference to Fig. 8, one embodiment of base station of the present invention is proposed, including Base Band Unit 100 and radio frequency unit 200, the base band
, while interaction CPRI protocol data frames, the Base Band Unit 100 or radio frequency unit 200 will for unit 100 and radio frequency unit 200
CPRI protocol data frame in ethernet data frames are extracted, and send to the Base Band Unit 100 or radio frequency unit 200 outside
The acquisition equipment for connecing.
Above-mentioned Base Band Unit 100 and/or the device 300 that radio frequency unit 200 is the acquisition ethernet data frame shown in Fig. 7,
Its operation principle is consistent with structure, and here is omitted.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or it is related to be directly or indirectly used in other
Technical field, be included within the scope of the present invention.
Claims (7)
1. a kind of obtain ethernet data frame method, it is characterised in that include:
Base Band Unit and radio frequency unit while interaction CPRI protocol data frames, the CPU of the Base Band Unit or radio frequency unit
Module sends ethernet data frame to while CPRI protocol modules or afterwards, sending the ethernet data frame to except CPRI associations
External interface module beyond view interface；Or the CPRI protocol modules of the Base Band Unit or radio frequency unit are by CPRI agreement numbers
Being extracted according to frame in ethernet data frame and the ethernet data frame for extracting being sent to CPU module, CPU module is received
While the ethernet data frame that CPRI protocol modules send or afterwards, forward the ethernet data frame to described externally
Interface module；
The external interface module sends the ethernet data frame to external acquisition equipment；
Wherein, the CPU module sends ethernet data frame to while CPRI protocol modules or afterwards, sends the Ethernet
Frame includes to external interface module：
While the CPU module sends ethernet data frame to CPRI protocol modules, the ethernet data frame is replicated, and will
The ethernet data frame of the duplication is sent to the external interface module；Or,
After the CPU module sends ethernet data frame to the CPRI protocol modules of local terminal, by the ethernet data frame two
Secondary send to the external interface module.
2. the method for claim 1, it is characterised in that the CPU module receives the ether that CPRI protocol modules send
While net data frame or afterwards, the ethernet data frame is forwarded to include to external interface module：
While the CPU module receives the ethernet data frame that CPRI protocol modules send, the ethernet data frame is replicated,
And the ethernet data frame of the duplication is sent to the external interface module；Or,
After the CPU module receives the ethernet data frame that CPRI protocol modules send, by the ethernet data frame two
Secondary send to the external interface module.
3. a kind of device for obtaining ethernet data frame, including CPU module, public radio interface CPRI protocol module and removes CPRI
External interface module beyond protocol interface, it is characterised in that
The CPU module sends ethernet data frame to while CPRI protocol modules or afterwards, sends the Ethernet data
Frame is to external interface module；Or CPU module turns while receive the ethernet data frame that CPRI protocol modules send or afterwards
Send out ethernet data frame described to external interface module；
The external interface module sends ethernet data frame to the acquisition equipment with capture ethernet data frame ability；
Wherein, the CPU module specifically for：
While ethernet data frame is sent to CPRI protocol modules, the ethernet data frame is replicated, and by the duplication
Ethernet data frame is sent to the external interface module；Or,
After ethernet data frame is sent to the CPRI protocol modules of local terminal, send secondary for the ethernet data frame to described
External interface module.
4. device as claimed in claim 3, it is characterised in that the external interface module is ethernet interface module or serial
Communication interface modules.
5. the device as described in claim 3 or 4, it is characterised in that the CPU module is additionally operable to：
While receiving the ethernet data frame that CPRI protocol modules send, the ethernet data frame is replicated, and will be described multiple
The ethernet data frame of system is sent to the external interface module；Or,
After receiving the ethernet data frame that CPRI protocol modules send, send secondary for the ethernet data frame to described
External interface module.
6. a kind of base station, including Base Band Unit and radio frequency unit, it is characterised in that the Base Band Unit and radio frequency unit are being interacted
While CPRI protocol data frames, the Base Band Unit or radio frequency unit are used for sending ethernet data frame extremely by CPU module
While CPRI protocol modules or afterwards, the ethernet data frame is sent to the external interface mould in addition to CPRI protocol interfaces
Block；Or by CPRI protocol modules by CPRI protocol data frame in ethernet data frames extracted and will extract described in
Too net data frame is sent to CPU module, while CPU module receives the ethernet data frame that CPRI protocol modules send or
Afterwards, the ethernet data frame is forwarded to the external interface module；
The ethernet data frame is sent to external acquisition equipment by the external interface module；
Wherein, the CPU module specifically for：
While ethernet data frame is sent to CPRI protocol modules, the ethernet data frame is replicated, and by the duplication
Ethernet data frame is sent to the external interface module；Or,
After ethernet data frame is sent to the CPRI protocol modules of local terminal, send secondary for the ethernet data frame to described
External interface module.
7. base station as claimed in claim 6, it is characterised in that the Base Band Unit and/or radio frequency unit be claim 3 to
Device any one of 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139125.9A CN102802170B (en) | 2011-05-26 | 2011-05-26 | Obtain method, device and the base station of ethernet data frame |
| PCT/CN2012/072618 WO2012159482A1 (en) | 2011-05-26 | 2012-03-20 | Method and device for acquiring ethernet data frame, and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139125.9A CN102802170B (en) | 2011-05-26 | 2011-05-26 | Obtain method, device and the base station of ethernet data frame |
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|---|---|---|---|---|
| CN103404191B (en) * | 2013-01-18 | 2017-04-26 | 华为技术有限公司 | Data transmission method, data transmission device and data transmission system |
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| CN102802170A (en) | 2012-11-28 |
| WO2012159482A1 (en) | 2012-11-29 |
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