CN102802170A - Method for acquiring Ethernet data frame, device and base station - Google Patents
Method for acquiring Ethernet data frame, device and base station Download PDFInfo
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- CN102802170A CN102802170A CN2011101391259A CN201110139125A CN102802170A CN 102802170 A CN102802170 A CN 102802170A CN 2011101391259 A CN2011101391259 A CN 2011101391259A CN 201110139125 A CN201110139125 A CN 201110139125A CN 102802170 A CN102802170 A CN 102802170A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a method for acquiring an Ethernet data frame. The method comprises the following step that: when a baseband unit and a radio frequency unit exchange common public radio interference (CPRI) protocol data frames, the baseband unit or the radio frequency unit extracts the Ethernet data frame in the CPRI protocol data frame and sends the Ethernet data frame to an acquisition device which is externally connected with the baseband unit or the radio frequency unit. The invention also provides the corresponding device and a base station. By the method for acquiring the Ethernet data frame, the device and the base station, the Ethernet data frame is easy and convenient to acquire.
Description
Technical field
The present invention relates to the communications field, specially refer to a kind of method, device and base station that obtains ethernet data frame.
Background technology
In the base station system of mobile communication, single base station generally is divided into Base Band Unit and radio frequency unit.When making up single base station, radio frequency unit can with the Base Band Unit formation centralized base station that combines, also can distinguish independent the placement and form distributed base station system.
Along with the development of mobile communication technology, especially in 3-G (Generation Three mobile communication system), the base station that tradition concentrates in together Base Band Unit and radio frequency unit is difficult to the needs of the quick networking of adaptation.Therefore the most distributed base station systems that adopt in the base station of a new generation promptly form the networking new architecture that Base Band Unit as shown in Figure 1 (BaseBand Unit, Base Band Unit) adds radio frequency unit (Radio Unit, radio frequency unit).Adopt optical fiber (cable) to connect between Base Band Unit and the radio frequency unit, the communications protocol of employing then mainly is CPRI (Common Public Radio Interface, a common public radio interface) protocol specification.
The CPRI protocol specification is the standard by the common exploitation of many company's cooperations in the communications industry; It is to inside, wireless base station REC (Radio Equipment Controller; The wireless device controls center) and RE (Radio Equipment; Wireless device) key interface between has been carried out standard, and CPRI protocol data frame structure is seen Fig. 2.Based on the CPRI protocol specification, can improve the versatility of interface between Base Band Unit and the radio frequency unit.In mobile communication base station system, the corresponding Base Band Unit of REC, RE is corresponding to radio frequency unit.
As shown in Figure 3; Ethernet (Ethernet) Frame is encapsulated in the CPRI protocol data frame and transmits as a sub-frame, and the CPRI protocol data frame can also comprise the data burst of other protocol formats that needs between other Base Band Unit and the radio frequency unit are mutual.Usually, Base Band Unit all is to transmit through ethernet data frame to Operation and Maintenance information such as the configuration management of radio frequency unit, alarm collections, if the user need check the information of ethernet data frame, need catch ethernet data frame.But owing to what transmit between Base Band Unit and the radio frequency unit is the CPRI protocol data frame; If catch ethernet data frame wherein; At first need resolve the CPRI protocol data frame through other professional equipment; Extraction is encapsulated in the ethernet data frame in the CPRI protocol data frame, and can not influence communication normally between Base Band Unit and the radio frequency unit.Otherwise can not check directly that this makes Ethernet data frame-grab software commonly used to accomplish and catches.
Summary of the invention
Main purpose of the present invention is that a kind of method, device and base station that obtains ethernet data frame is provided, and can realize obtaining easily ethernet data frame.
The present invention proposes a kind of method of obtaining ethernet data frame, comprising:
Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame, and said Base Band Unit or radio frequency unit extract ethernet data frame in the CPRI protocol data frame, and are sent to and said Base Band Unit or the external acquisition equipment of radio frequency unit.
Preferably; Said Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame; Said Base Band Unit or radio frequency unit extract ethernet data frame in the CPRI protocol data frame, and are sent to said Base Band Unit or the external acquisition equipment of radio frequency unit and comprise:
When the CPU module of said Base Band Unit or radio frequency unit is sent ethernet data frame and given the public radio interface CPRI protocol module or afterwards, send said ethernet data frame to the external interface module except that the CPRI protocol interface; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to said external interface module;
Said external interface module is sent to said acquisition equipment with ethernet data frame.
Preferably, when said CPU module is sent ethernet data frame and given the CPRI protocol module or afterwards, send said ethernet data frame to external interface module and comprise:
When said CPU module is sent ethernet data frame to the CPRI protocol module, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
Said CPU module is sent ethernet data frame and is given after the CPRI protocol module of local terminal, and said ethernet data frame secondary is sent to said external interface module.
Preferably, when said CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to external interface module and comprise:
When said CPU module receives the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that said CPU module reception CPRI protocol module sends, said ethernet data frame secondary is sent to said external interface module.
The present invention also proposes a kind of device that obtains ethernet data frame; Comprise CPU module, public radio interface CPRI protocol module and the external interface module except that the CPRI protocol interface; When said CPU module is sent ethernet data frame and given the CPRI protocol module or afterwards, send said ethernet data frame to external interface module; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to external interface module;
Said external interface module is sent to ethernet data frame has the acquisition equipment of catching the ethernet data frame ability.
Preferably, said external interface module is ethernet interface module or serial communication interface module.
Preferably, said CPU module specifically is used for:
When sending ethernet data frame, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module to the CPRI protocol module; Or,
Send ethernet data frame and give after the CPRI protocol module of local terminal, said ethernet data frame secondary is sent to said external interface module.
Preferably, said CPU module also is used for:
When receiving the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that reception CPRI protocol module sends, said ethernet data frame secondary is sent to said external interface module.
The present invention also proposes a kind of base station; Comprise Base Band Unit and radio frequency unit; Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame; Said Base Band Unit or radio frequency unit are used for ethernet data frame in the CPRI protocol data frame is extracted, and are sent to and said Base Band Unit or the external acquisition equipment of radio frequency unit.
Preferably; Said Base Band Unit or radio frequency unit comprise CPU module, public radio interface CPRI protocol module and the external interface module except that the CPRI protocol interface; When said CPU module is sent ethernet data frame and given the CPRI protocol module or afterwards, send said ethernet data frame to external interface module; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to external interface module;
Said external interface module is sent to ethernet data frame has the acquisition equipment of catching the ethernet data frame ability.
Preferably, said external interface module is ethernet interface module or serial communication interface module.
Preferably, said CPU module specifically is used for:
When sending ethernet data frame, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module to the CPRI protocol module; Or,
Send ethernet data frame and give after the CPRI protocol module of local terminal, said ethernet data frame secondary is sent to said external interface module.
Preferably, said CPU module also is used for:
When receiving the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that reception CPRI protocol module sends, said ethernet data frame secondary is sent to said external interface module.
A kind of method, device and base station that obtains ethernet data frame that the present invention proposes; Can be easy catch is encapsulated in the ethernet data frame in the CPRI protocol data frame alternately between Base Band Unit and the radio frequency unit; Through this method and device, can directly check the Ethernet data content frame or use Ethernet data frame-grab software commonly used that it is caught and assistant analysis.
Description of drawings
Fig. 1 is the configuration diagram of distributed base station in the prior art;
Fig. 2 is the CPRI protocol data frame sketch map of prior art;
Fig. 3 is the transmission sketch map of prior art ethernet data frame;
Fig. 4 obtains the schematic flow sheet of method one embodiment of ethernet data frame for the present invention;
Fig. 5 obtains a flow process sketch map of obtaining step among method one embodiment of ethernet data frame for the present invention;
Fig. 6 obtains another schematic flow sheet of obtaining step among method one embodiment of ethernet data frame for the present invention;
Fig. 7 obtains the structural representation of device one embodiment of ethernet data frame for the present invention;
Fig. 8 is the structural representation of base station one embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 4, method one embodiment that the present invention obtains ethernet data frame is proposed, comprising:
Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame, and said Base Band Unit or radio frequency unit extract ethernet data frame in the CPRI protocol data frame, and are sent to and said Base Band Unit or the external acquisition equipment of radio frequency unit.
Above-mentioned steps can comprise:
When the CPU module of step S10, Base Band Unit or radio frequency unit is sent ethernet data frame and given the CPRI protocol module or afterwards, send said ethernet data frame to the external interface module except that the CPRI protocol interface; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to external interface module;
The CPRI protocol module of Base Band Unit (radio frequency unit) is responsible for the Frame that comprises ethernet data frame is encapsulated and resolves.When sending data; The data that each functional module of Base Band Unit (radio frequency unit) will be sent are issued the CPRI protocol module (ethernet data frame that is wherein sent by the CPU module is exactly the transmission data that the present invention will catch) on the Base Band Unit (radio frequency unit), by the CPRI protocol module all data are packaged into the CPRI protocol data frame and send to opposite end radio frequency unit (Base Band Unit) according to protocol format; When receiving data; The CPRI protocol data frame that CPRI protocol module on the Base Band Unit (radio frequency unit) is received the radio frequency unit (Base Band Unit) from the opposite end is resolved, and the data that parse is issued corresponding Base Band Unit (radio frequency unit) functional module handle (ethernet data frame that wherein sends to the CPU module is exactly the data that the present invention will catch).
Above-mentioned CPU module can comprise two sub-module again: data transmit-receive submodule and data processing submodule.Wherein the data transmit-receive submodule is responsible for receiving and sending ethernet data frame; To accomplish mutual with the Operation and Maintenance information of radio frequency unit (Base Band Unit); And the data processing submodule is handled the ethernet data frame of receiving, and is the source of the ethernet data frame that will send.
In the present embodiment, the CPRI protocol module is responsible for the ethernet data frame in the CPRI protocol data frame is extracted, and the CPU module is responsible for ethernet data frame is transmitted, and the external interface module is responsible for ethernet data frame is sent from interface.When Base Band Unit and radio frequency unit carry out data interaction; Only needing wherein arbitrary end when sending or receive data, to obtain ethernet data frame gets final product; The CPU module is being sent ethernet data frame in the CPRI protocol module or afterwards; Send this ethernet data frame to external interface module, perhaps when receiving the ethernet data frame that the CPRI protocol module sends or afterwards, transmit this ethernet data frame to external interface module.
Step S11, said external interface module are sent to ethernet data frame has the acquisition equipment of catching the ethernet data frame ability.
Use Ethernet connecting line or serial communication connecting line that the Ethernet interface of Base Band Unit (radio frequency unit) or serial line interface and installation are had the computer that the acquisition equipment of catching the ethernet data frame ability such as common ethernet data frame catch software and be connected, can use Ethernet data frame-grab software that the Frame of the Ethernet of CPU module transmission is caught and analyzed.
In the present embodiment; Can be easy catch is encapsulated in the ethernet data frame in the CPRI protocol data frame alternately between Base Band Unit and the radio frequency unit; Through this method, can directly check the Ethernet data content frame or use Ethernet data frame-grab software commonly used that it is caught and assistant analysis.
In one embodiment, said external interface module is ethernet interface module or serial communication interface module.
The external interface module is used to receive and dispatch the ethernet data frame that the CPU module is sent; Can be ethernet interface module or serial communication interface module; Wherein, Ethernet interface module is used on the Ethernet interface of Base Band Unit (radio frequency unit), receiving and dispatching ethernet data frame, and the serial communication interface module is used for the relevant serial communication protocol Frame of transmitting-receiving on serial communication interface.Above-mentioned two interface modules generally all are used for other purposes such as debugging, maintenance, are the indispensable modules on the Base Band Unit (radio frequency unit), need not to dispose separately, can reach the purpose of practicing thrift cost.
With reference to Fig. 5, in the above-described embodiments, step S10 comprises:
When step S101, said CPU module send ethernet data frame and give the CPRI protocol module, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
Step S102, said CPU module are sent ethernet data frame and are given after the CPRI protocol module of local terminal, and said ethernet data frame secondary is sent to said external interface module.
When the data processing submodule of CPU module was given the CPRI protocol module through the data transmit-receive submodule transmission ethernet data frame of CPU module, cpu data transmitting-receiving submodule duplicated a identical ethernet data frame; The data transmit-receive submodule sends to the external interface module with the ethernet data frame that duplicates, and is sent from corresponding interface by the external interface module.
After perhaps the data processing submodule of the CPU module ethernet data frame that will send is given the CPRI protocol module through the data transmit-receive submodule of CPU module; The data transmit-receive submodule of CPU module carries out the second time to this ethernet data frame again and sends; Promptly send to the external interface module, send from corresponding interface by the external interface module.
With reference to Fig. 6, in the above-described embodiments, step S10 comprises:
When step S103, said CPU module receive the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that step S104, said CPU module reception CPRI protocol module send, said ethernet data frame secondary is sent to said external interface module.
The CPRI protocol module is resolved the CPRI protocol data frame of receiving, ethernet data frame is wherein sent to the data transmit-receive submodule of CPU module; The data transmit-receive submodule receives the ethernet data frame that the CPRI protocol module is sent, and in the data processing submodule that sends to the CPU module according to normal mode, duplicates a identical ethernet data frame; The data transmit-receive submodule sends to the external interface module with the ethernet data frame that duplicates, and is sent from corresponding interface by the external interface module;
Perhaps the data transmit-receive submodule receives the ethernet data frame that the CPRI protocol module is sent; Behind the data processing submodule that sends to the CPU module according to normal mode; The data transmit-receive submodule of CPU module carries out the second time to this ethernet data frame again and sends; Promptly send to the external interface module, send from corresponding interface by the external interface module.
With reference to Fig. 7; Device 300 1 embodiment that the present invention obtains ethernet data frame are proposed; Comprise CPU module 10, CPRI protocol module 20 and the external interface module 30 except that the CPRI protocol interface; When said CPU module 10 is sent ethernet data frames and given CPRI protocol module 20 or afterwards, send said ethernet data frame to external interface module 30; When perhaps CPU module 10 receives the ethernet data frame that CPRI protocol modules 20 send or afterwards, transmit said ethernet data frame to external interface module 30;
Said external interface module 30 is sent to ethernet data frame has the acquisition equipment of catching the ethernet data frame ability.
The device that obtains ethernet data frame 300 of present embodiment can be Base Band Unit or radio frequency unit.Its CPRI protocol module 20 is responsible for the Frame that comprises ethernet data frame is encapsulated and resolves.When sending data; The data that each functional module of Base Band Unit (radio frequency unit) will be sent are issued the CPRI protocol module 20 (ethernet data frame that is wherein sent by CPU module 10 is exactly the transmission data that the present invention will catch) on the Base Band Unit (radio frequency unit), by CPRI protocol module 20 all data are packaged into the CPRI protocol data frame and send to opposite end radio frequency unit (Base Band Unit) according to protocol format; When receiving data; 20 pairs of CPRI protocol data frames that radio frequency unit (Base Band Unit) is received from the opposite end of CPRI protocol module on the Base Band Unit (radio frequency unit) are resolved, and the data that parse are issued corresponding Base Band Unit (radio frequency unit) functional module handle (ethernet data frame that wherein sends to CPU module 10 is exactly the data that the present invention will catch).
Above-mentioned CPU module 10 can comprise two sub-module again: data transmit-receive submodule and data processing submodule.Wherein the data transmit-receive submodule is responsible for receiving and sending ethernet data frame; To accomplish mutual with the Operation and Maintenance information of radio frequency unit (Base Band Unit); And the data processing submodule is handled the ethernet data frame of receiving, and is the source of the ethernet data frame that will send.
In the present embodiment, CPRI protocol module 20 is responsible for the ethernet data frame in the CPRI protocol data frame is extracted, and CPU module 10 is responsible for ethernet data frame is transmitted, and external interface module 30 is responsible for ethernet data frame is sent from interface.When Base Band Unit and radio frequency unit carry out data interaction; Only needing wherein arbitrary end when sending or receive data, to obtain ethernet data frame gets final product; The CPU module is being sent ethernet data frame in the CPRI protocol module or afterwards; Send this ethernet data frame to external interface module, perhaps when receiving the ethernet data frame that the CPRI protocol module sends or afterwards, transmit this ethernet data frame to external interface module.
Use Ethernet connecting line or serial communication connecting line that the Ethernet interface of Base Band Unit (radio frequency unit) or serial line interface and installation are had the computer that the acquisition equipment of catching the ethernet data frame ability such as common ethernet data frame catch software and be connected, can use Ethernet data frame-grab software that the ethernet data frame of CPU module transmission is caught and analyzed.
In the present embodiment; Can be easy catch is encapsulated in the ethernet data frame in the CPRI protocol data frame alternately between Base Band Unit and the radio frequency unit; Through this device, can directly check the Ethernet data content frame or use Ethernet data frame-grab software commonly used that it is caught and assistant analysis.
In one embodiment, said external interface module 30 is ethernet interface module or serial communication interface module.
In the above-described embodiments, CPU module 10 specifically is used for:
When sending ethernet data frame and give CPRI protocol module 20, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module 30; Or,
Send ethernet data frame and give after the CPRI protocol module 20 of local terminal, said ethernet data frame secondary is sent to said external interface module 30.
When the data processing submodule of CPU module 10 was given CPRI protocol module 20 through the data transmit-receive submodule transmission ethernet data frame of CPU module 10, cpu data transmitting-receiving submodule duplicated a identical ethernet data frame; The data transmit-receive submodule sends to external interface module 30 with the ethernet data frame that duplicates, and is sent from corresponding interface by external interface module 30.
After perhaps the data processing submodule of CPU module 10 ethernet data frame that will send is given CPRI protocol module 20 through the data transmit-receive submodule of CPU module 10; The data transmit-receive submodule of CPU module 10 carries out the second time to this ethernet data frame again and sends; Promptly send to external interface module 30, send from corresponding interface by external interface module 30.
In the above-described embodiments, CPU module 10 also is used for:
When receiving the ethernet data frame of CPRI protocol module 20 transmissions, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module 30; Or,
After the ethernet data frame that reception CPRI protocol module 20 sends, said ethernet data frame secondary is sent to said external interface module 30.
The CPRI protocol data frame that 20 pairs of CPRI protocol modules are received is resolved, and ethernet data frame is wherein sent to the data transmit-receive submodule of CPU module 10; The data transmit-receive submodule receives the ethernet data frame that CPRI protocol module 20 is sent, and in the data processing submodule that sends to CPU module 10 according to normal mode, duplicates a identical ethernet data frame; The data transmit-receive submodule sends to external interface module 30 with the ethernet data frame that duplicates, and is sent from corresponding interface by external interface module 30.
Perhaps the data transmit-receive submodule receives the ethernet data frame that CPRI protocol module 20 is sent; Behind the data processing submodule that sends to CPU module 10 according to normal mode; The data transmit-receive submodule of CPU module 10 carries out the second time to this ethernet data frame again and sends; Promptly send to the external interface module, send from corresponding interface by the external interface module.
With reference to Fig. 8; Base station one embodiment of the present invention is proposed; Comprise Base Band Unit 100 and radio frequency unit 200; Said Base Band Unit 100 and radio frequency unit 200 are in mutual CPRI protocol data frame, and said Base Band Unit 100 or radio frequency unit 200 extract ethernet data frame in the CPRI protocol data frame, and are sent to the acquisition equipment external with said Base Band Unit 100 or radio frequency unit 200.
Above-mentioned Base Band Unit 100 and/or radio frequency unit 200 are the device that obtains ethernet data frame 300 shown in Figure 7, and its operation principle is consistent with structure, repeats no more here.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a method of obtaining ethernet data frame is characterized in that, comprising:
Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame, and said Base Band Unit or radio frequency unit extract ethernet data frame in the CPRI protocol data frame, and are sent to and said Base Band Unit or the external acquisition equipment of radio frequency unit.
2. the method for claim 1; It is characterized in that; Said Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame; Said Base Band Unit or radio frequency unit extract ethernet data frame in the CPRI protocol data frame, and are sent to said Base Band Unit or the external acquisition equipment of radio frequency unit and comprise:
When the CPU module of said Base Band Unit or radio frequency unit is sent ethernet data frame and given the public radio interface CPRI protocol module or afterwards, send said ethernet data frame to the external interface module except that the CPRI protocol interface; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to said external interface module;
Said external interface module is sent to said acquisition equipment with ethernet data frame.
3. according to claim 1 or claim 2 method is characterized in that, when said CPU module is sent ethernet data frame and given the CPRI protocol module or afterwards, sends said ethernet data frame to external interface module and comprises:
When said CPU module is sent ethernet data frame to the CPRI protocol module, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
Said CPU module is sent ethernet data frame and is given after the CPRI protocol module of local terminal, and said ethernet data frame secondary is sent to said external interface module.
4. according to claim 1 or claim 2 method is characterized in that, when said CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmits said ethernet data frame to external interface module and comprises:
When said CPU module receives the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that said CPU module reception CPRI protocol module sends, said ethernet data frame secondary is sent to said external interface module.
5. a device that obtains ethernet data frame comprises CPU module, public radio interface CPRI protocol module and the external interface module except that the CPRI protocol interface, it is characterized in that,
When said CPU module is sent ethernet data frame and given the CPRI protocol module or afterwards, send said ethernet data frame to external interface module; When perhaps the CPU module receives the ethernet data frame that the CPRI protocol module sends or afterwards, transmit said ethernet data frame to external interface module;
Said external interface module is sent to ethernet data frame has the acquisition equipment of catching the ethernet data frame ability.
6. device as claimed in claim 5 is characterized in that, said external interface module is ethernet interface module or serial communication interface module.
7. like claim 5 or 6 described devices, it is characterized in that said CPU module specifically is used for:
When sending ethernet data frame, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module to the CPRI protocol module; Or,
Send ethernet data frame and give after the CPRI protocol module of local terminal, said ethernet data frame secondary is sent to said external interface module.
8. like claim 5 or 6 described devices, it is characterized in that said CPU module also is used for:
When receiving the ethernet data frame of CPRI protocol module transmission, duplicate said ethernet data frame, and the said ethernet data frame that duplicates is sent to said external interface module; Or,
After the ethernet data frame that reception CPRI protocol module sends, said ethernet data frame secondary is sent to said external interface module.
9. base station; Comprise Base Band Unit and radio frequency unit; It is characterized in that; Said Base Band Unit and radio frequency unit are in mutual CPRI protocol data frame, and said Base Band Unit or radio frequency unit are used for ethernet data frame in the CPRI protocol data frame is extracted, and are sent to and said Base Band Unit or the external acquisition equipment of radio frequency unit.
10. base station as claimed in claim 9 is characterized in that, said Base Band Unit and/or radio frequency unit are each described device in the claim 5 to 8.
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| 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 |
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| CN101272583A (en) * | 2005-06-30 | 2008-09-24 | 华为技术有限公司 | Method for near-end maintaining radio remote module |
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| CN105284184A (en) * | 2014-05-21 | 2016-01-27 | 华为技术有限公司 | Data transmission method and device, and network system |
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| CN107534688A (en) * | 2015-05-29 | 2018-01-02 | 华为技术有限公司 | A kind of common public radio interface CPRI data transmission method, relevant device and system |
| CN105187161A (en) * | 2015-09-11 | 2015-12-23 | 深圳三星通信技术研究有限公司 | Transmission method and transmission device of CPRI frame in the Ethernet |
| CN105187161B (en) * | 2015-09-11 | 2019-01-01 | 深圳三星通信技术研究有限公司 | The transmission method and device of a kind of CPRI frame over ethernet |
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| WO2012159482A1 (en) | 2012-11-29 |
| CN102802170B (en) | 2017-03-15 |
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