CN108616484A - a kind of data transmission method and device - Google Patents
a kind of data transmission method and device Download PDFInfo
- Publication number
- CN108616484A CN108616484A CN201611130956.9A CN201611130956A CN108616484A CN 108616484 A CN108616484 A CN 108616484A CN 201611130956 A CN201611130956 A CN 201611130956A CN 108616484 A CN108616484 A CN 108616484A
- Authority
- CN
- China
- Prior art keywords
- data
- cpri data
- ethernet
- sending device
- ethernet frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/06—Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
This application provides a kind of data transmission method and devices, and to solve in the prior art when the BBU of base station is centrally placed, distance is larger between the RRU of distributed deployment and the BBU of centralized deployment, cannot achieve the problem of being connected between RRU and BBU.This method is：Sending device can encapsulate CPRI data to be sent in ethernet frames, so as to which the ethernet frame is transmitted to receiving device using deployed Ethernet.In this way, each network equipment being deployed in the Ethernet can be utilized between sending device and receiving device, the transmission of CPRI data is realized.Due to using existing Ethernet between the sending device and the receiving device, and existing Ethernet is widely distributed, the distance between sending device and receiving device are not limited when transmission data, therefore, through the above scheme, the connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented.
Description
Technical field
This application involves field of communication technology more particularly to a kind of data transmission methods and device.
Background technology
Base station in wireless communication system includes baseband processing unit (Base Band Unit, BBU) and remote radio
Unit (Remote Radio Unit, RRU).BBU is generated for completing Base-Band Processing (such as encode, be multiplexed, modulate and spread)
Baseband signal, the functions such as Working Status Monitoring of signaling processing, local and remote Operation and Maintenance and base station.RRU is used for base
After band signal is converted into radiofrequency signal and sends antenna transmitting to, and the data-signal sent in mobile device is received by antenna,
First the data-signal is handled, is giving treated data transmission to the BBU.
General common radio-frequency interface (Common Public Radio may be used between the BBU and RRU of the same base station
Interface, CPRI) the various data of transmission (including the BBU sends the data of the RRU to and the RRU sends institute to
State the data of BBU), wherein the data are properly termed as CPRI data again.
BBU and RRU in traditional base station are centrally placed.With the development of mobile communications network, high bandwidth, network
Flattening is the development trend of wireless network.This will push the distribution more crypto set of base station.Due to the BBU and RRU of each base station
Separation, therefore in following wireless communication system, the BBU of the base station of multiple distal ends can be and every with centralized deployment beyond the clouds
The RRU distributed deployments of a base station are in respective internal.Obviously, in above-mentioned wireless communication system, needing transmission network will divide
The RRU of cloth deployment is connect with the BBU that centralization is placed.
Due in traditional base station BBU and RRU be all centrally placed, distance between the two is close enough, thus BBU and
It is connected using optical fiber between RRU.However, in above-mentioned wireless communication system, the RRU of distributed deployment and centralized deployment
The distance between BBU is larger, still uses optical fiber connection that can cause prodigious expense, causes the RRU that cannot achieve distributed deployment
Connection between the BBU of centralized deployment.
Invention content
The application provides a kind of data transmission method and device, and the BBU concentrations to solve in the prior art in base station are put
When setting, distance is larger between the RRU of distributed deployment and the BBU of centralized deployment, cannot achieve and is connected between RRU and BBU
Problem.
Specific technical solution provided by the present application is as follows：
In a first aspect, the embodiment of the present application provides a kind of data transmission method, this method includes：
Sending device encapsulates CPRI data to be sent in ethernet frames, and sends the ethernet frame.
By the above method, sending device can by CPRI data to be sent encapsulate in ethernet frames, so as to
The ethernet frame is transmitted to receiving device using deployed Ethernet.In this way, the sending device and receiving device
Between can utilize and be deployed in each network equipment in the Ethernet (such as moving bearer network), realize the biography of CPRI data
It is defeated.Due to using existing Ethernet between the sending device and the receiving device, and existing Ethernet is widely distributed,
The distance between sending device and receiving device are not limited when transmission data, therefore, by the above method, distribution may be implemented
Connection between the RRU of deployment and the BBU of centralized deployment.
In a possible design, the sending device by the following method, the CPRI data is encapsulated in described
In ethernet frame：
The sending device first determines the characteristic information of the CPRI data, then by the characteristic information and the CPRI
Data are encapsulated in the ethernet frame.
By the above method, the sending device can not only send the ethernet frame for carrying the CPRI data
To receiving device, the characteristic information of the CPRI data can also be notified the receiving device, so that the receiving device can
To decapsulate the ethernet frame according to the characteristic information of the CPRI data, the CPRI data are obtained.
In a possible design, the characteristic information includes at least one of following or multinomial：Data length, data class
Type, synchronizing information, timestamp, sequence number；Wherein, the data length, the length for indicating the CPRI data.The number
According to type, the type for indicating the CPRI data.The timestamp, for indicating that the sending device receives the CPRI
At the time of data.The synchronizing information, for indicate the CPRI data with before CPRI data or with subsequent CPRI numbers
Timing relationship between.The sequence number, for indicating the sending device to being packaged processing when the CPRI data
Serial number.
Include the above by the characteristic information, it is ensured that the receiving device is receiving the ethernet frame
Afterwards, the ethernet frame can be accurately decapsulated according to the characteristic information of the CPRI data, obtains the CPRI data.
In a possible design, the CPRI data include the CPRI data in a time window, i.e., when the hair
When equipment being sent to always exist CPRI data to be sent in continuing for some time, the sending device is according to set time window pair
CPRI data to be sent are sliced, and are then packaged to CPRI data slicers, so as to realize point of CPRI business
Groupization carries.
In a possible design, the sending device is baseband processing unit BBU or the network being connected with BBU is set
It is standby；Or the sending device is RRU or the network equipment being connected with RRU.
In this way, the CPRI data between the RRU of distributed deployment and the BBU of centralized deployment may be implemented in the above method
Transmission.
In a possible design, the sending device sends the ethernet frame by Ethernet.
By the above method, the deployed Ethernet can be utilized between the sending device and receiving device,
Realize the transmission of the CPRI data.
Second aspect, the embodiment of the present application provide a kind of data transmission method, and this method includes：
Receiving device reception includes the ethernet frame of CPRI data, and the ethernet frame is decapsulated, and obtains institute
State CPRI data.
By the above method, receiving device can decapsulate described after receiving the ethernet frame for carrying CPRI data
Ethernet frame obtains the CPRI data.The sending device can be passed the ethernet frame using deployed Ethernet
Transport to receiving device.It (such as is moved in this way, can be utilized between the sending device and receiving device and be deployed in the Ethernet
Bearer network) in each network equipment, realize CPRI data transmission.Due between the sending device and the receiving device
Using existing Ethernet, and existing Ethernet is widely distributed, when transmission data do not limit sending device and receiving device it
Between distance by the above method, the company between the RRU of distributed deployment and the BBU of centralized deployment therefore may be implemented
It connects.
In a possible design, by the following method, the ethernet frame is decapsulated for the receiving device,
Obtain the CPRI data：
The receiving device first obtains the characteristic information for the CPRI data for including in the ethernet frame, then, root
The ethernet frame is decapsulated according to the characteristic information, obtains the CPRI data.
By the above method, the receiving device can obtain the accurately CPRI data.
In a possible design, the characteristic information includes at least one of following or multinomial：Data length, data class
Type, synchronizing information, timestamp, sequence number；Wherein, the data length, the length for indicating the CPRI data.The number
According to type, the type for indicating the CPRI data.The timestamp, for indicating that the transmission for sending the ethernet frame is set
At the time of the standby reception CPRI data.The synchronizing information, for indicate the CPRI data with before CPRI data or
With the timing relationship between subsequent CPRI data.The sequence number, for indicating the sending device to the CPRI data
When be packaged the serial number of processing.
Include the above by the characteristic information, it is ensured that the receiving device is receiving the ethernet frame
Afterwards, the ethernet frame can be accurately decapsulated according to the characteristic information of the CPRI data, obtains the CPRI data.
In a possible design, the CPRI data include the CPRI data in a time window.
By the above method, send the ethernet frame sending device can according to set time window to sent
CPRI data are sliced, and are packaged by CPRI data slicers, so as to realize the packetizing carrying of CPRI business.
In a possible design, the receiving device is that radio frequency remote unit RRU or the network being connected with RRU are set
It is standby；Or the receiving device is BBU or the network equipment being connected with BBU.
In this way, the CPRI data between the RRU of distributed deployment and the BBU of centralized deployment may be implemented in the above method
Transmission.
In a possible design, the receiving device receives the ethernet frame by Ethernet.
By the above method, the deployed Ethernet can be utilized between the sending device and receiving device,
Realize the transmission of the CPRI data.
The third aspect, the embodiment of the present application also provides a kind of sending device, which, which has, realizes the above method
The function of sending device behavior in example.The function can also be executed corresponding soft by hardware realization by hardware
Part realizes that the hardware or software include one or more modules corresponding with above-mentioned function.
In a kind of possible design, the structure of the sending device includes processing unit and transmission unit, these lists
Member can execute the corresponding function in above method example, referring specifically to the detailed description in method example, be not repeated herein.
In a kind of possible design, when the sending device is BBU or RRU, wrapped in the structure of the sending device
It includes：Service Processing Module, data package module, photoelectric conversion module.The Service Processing Module is to be sent for generating
CPRI data；The data package module, for encapsulating the CPRI data in ethernet frames；The opto-electronic conversion mould
Block, for the electric signal for carrying the ethernet frame to be converted to the optical signal for carrying the ethernet frame.
In a possible design, when the sending device is the network equipment being connected with BBU or RRU, the hair
The structure of equipment is sent to include：Photoelectric conversion module, data package module, Ethernet service processing module.The opto-electronic conversion
The optical signal of module, the carrying CPRI data for sending the BBU or RRU by optical fiber is converted, and obtains carrying institute
State the electric signal of CPRI data；The data package module, for encapsulating the CPRI data in ethernet frames；It is described with
Too network service processing module, for according to the ethernet frame, realizing the Ethernet service of the sending device.
In a kind of possible design, the structure of the sending device includes communication interface, processor, bus, storage
Device and photoelectric conversion module.The communication interface is used to carry out communication interaction with other equipment, and the processor is configured as
The sending device is supported to execute corresponding function in the above method.The memory is coupled with the processor, preserves institute
State the necessary program instruction of sending device and data.The photoelectric conversion module is used to turn between traveling optical signal and electric signal
It changes.
Fourth aspect, the embodiment of the present application also provides a kind of receiving device, which, which has, realizes the above method
The function of receiving device behavior in example.The function can also be executed corresponding soft by hardware realization by hardware
Part realizes that the hardware or software include one or more modules corresponding with above-mentioned function.
In a kind of possible design, the structure of the receiving device includes receiving unit and processing unit, these lists
Member can execute the corresponding function in above method example, referring specifically to the detailed description in method example, be not repeated herein.
In a kind of possible design, when the receiving device is BBU or RRU, wrapped in the structure of the receiving device
It includes：Photoelectric conversion module, data decapsulation module, Service Processing Module.The photoelectric conversion module, for setting the reception
The optical signal of the standby carrying ethernet frame received by optical fiber is converted to the electric signal for carrying the ethernet frame；The data solution
Package module obtains CPRI data for decapsulating the ethernet frame；The Service Processing Module is used for according to institute
CPRI data are stated, realize the business of the receiving device.
It is described to connect when the receiving device is the network equipment being connected with BBU or RRU in a possible design
The structure of receiving unit includes：Ethernet service processing module, data package module, photoelectric conversion module.The Ethernet industry
Processing module of being engaged in realizes the Ethernet service of the receiving device for receiving the ethernet frame for carrying CPRI data；The number
According to decapsulation module the CPRI data are obtained for decapsulating the ethernet frame；The photoelectric conversion module,
For converting the point signal for carrying the CPRI data, the optical signal for carrying the CPRI data is obtained.
In a kind of possible design, the structure of the receiving device includes communication interface, processor, bus, storage
Device and photoelectric conversion module.The communication interface is used to carry out communication interaction with other equipment, and the processor is configured as
The receiving device is supported to execute corresponding function in the above method.The memory is coupled with the processor, preserves institute
State the necessary program instruction of receiving device and data.The photoelectric conversion module is used to turn between traveling optical signal and electric signal
It changes.
5th aspect, the embodiment of the present application also provides a kind of communication networks, include in the communication network：Transmission is set
Standby, receiving device and Ethernet.
Optionally, the CPRI data mentioned in above technical scheme can carry in the payload data of ethernet frame.Into
One step, the ethernet frame can also include data characteristics field, which can carry in the ethernet frame
Payload data in, can also carry in other fields of the ethernet frame.
In the embodiment of the present application, sending device can by CPRI data to be sent encapsulate in ethernet frames, so as to
The ethernet frame is transmitted to receiving device using deployed Ethernet.In this way, the sending device and reception are set
Each network equipment being deployed in the Ethernet (such as moving bearer network) can be utilized between standby, realize CPRI data
Transmission.Due to using existing Ethernet between the sending device and the receiving device, and the distribution of existing Ethernet is wide
General, when transmission data, does not limit the distance between sending device and receiving device, therefore, through the above scheme, may be implemented point
Connection between the RRU and the BBU of centralized deployment of cloth deployment.
Description of the drawings
Fig. 1 a are a kind of communication network schematic diagram provided by the embodiments of the present application；
Fig. 1 b are a kind of schematic diagram of ethernet frame format provided by the embodiments of the present application；
Fig. 1 c are the schematic diagram of another ethernet frame format provided by the embodiments of the present application；
Fig. 2 is a kind of flow chart of data transmission method provided by the embodiments of the present application；
Fig. 3 is the structure chart of the first sending device provided by the embodiments of the present application；
Fig. 4 is the structure chart of the first receiving device provided by the embodiments of the present application；
Fig. 5 is the structure chart of second of sending device provided by the embodiments of the present application；
Fig. 6 is the structure chart of second of receiving device provided by the embodiments of the present application；
Fig. 7 is the structure chart of the third sending device provided by the embodiments of the present application；
Fig. 8 is the structure chart of the third receiving device provided by the embodiments of the present application；
Fig. 9 is the exemplary plot of the first communication network provided by the embodiments of the present application；
Figure 10 is the exemplary plot of second of communication network provided by the embodiments of the present application；
Figure 11 is the exemplary plot of the third communication network provided by the embodiments of the present application；
Figure 12 is the exemplary plot of the 4th kind of communication network provided by the embodiments of the present application；
Figure 13 is the structure chart of the 4th kind of sending device provided by the embodiments of the present application；
Figure 14 is the structure chart of the 4th kind of receiving device provided by the embodiments of the present application.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with attached drawing to the application make into
It is described in detail to one step, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole implementation
Example.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall in the protection scope of this application.
" sending device " mentioned in the embodiment of the present application can be hardware or software function on optical module or veneer
Module；Further, " sending device " can be PTN device or the hardware module or software module that are deployed in PTN device.This
" receiving device " mentioned in application embodiment can be hardware or software function module on optical module or veneer；Into one
Step ground, " receiving device " can be PTN device or the hardware module or software module that are deployed in PTN device.
A kind of data transmission method of the embodiment of the present application offer and device, to solve when the BBU of base station is centrally placed,
It cannot achieve the problem of being connected between the RRU of distributed deployment and the BBU of centralized deployment.Wherein, herein described method and
Device is based on same inventive concept, and since the principle that method and device solves the problems, such as is similar, the implementation of apparatus and method can
With cross-reference, overlaps will not be repeated.
In the embodiment of the present application, sending device can by CPRI data to be sent encapsulate in ethernet frames, so as to
The ethernet frame is transmitted to receiving device using deployed Ethernet.In this way, the sending device and reception are set
Each network equipment being deployed in the Ethernet (such as moving bearer network) can be utilized between standby, realize CPRI data
Transmission.Due to using existing Ethernet between the sending device and the receiving device, and the distribution of existing Ethernet is wide
General, when transmission data, does not limit the distance between sending device and receiving device, therefore, through the above scheme, may be implemented point
Connection between the RRU and the BBU of centralized deployment of cloth deployment.
Hereinafter, the certain customers in the application are explained, in order to those skilled in the art understand that.
1) the invention relates to sending device, be it is first transmission carry CPRI data ethernet frame equipment,
Rather than the equipment of the first transmission CPRI data.The sending device can be BBU or RRU, can also be and BBU and RRU
The network equipment (such as group transmission network (Packet Transport Network, PTN) equipment) in connected Ethernet.It is described
Sending device is needed CPRI data encapsulation in ethernet frames.
2) the invention relates to receiving device, it is corresponding with the sending device, be that the last one receives carrying
The equipment of the ethernet frame of the CPRI data rather than the last one equipment for receiving the CPRI data.The receiving device
It can be BBU or RRU, can also be the network equipment (such as PTN device) in the Ethernet being connected with BBU and RRU.The reception
Equipment needs to decapsulate the ethernet frame of reception, obtains the CPRI data.
3) the invention relates to CPRI data, for the number for passing through the transmission of CPRI interfaces, being transmitted between BBU and RRU
According to.
Fig. 1 a show the communication network that data transmission method provided by the embodiments of the present application uses, as shown in Figure 1a,
The communication network includes：Sending device, receiving device and Ethernet.Carry out data transmission in the communication network
Flow includes：
After the sending device obtains CPRI data to be sent, in ethernet frames by CPRI data encapsulation, and
It is transferred to the receiving device by the Ethernet；
After the receiving device receives the ethernet frame, the ethernet frame is decapsulated, to obtain
State CPRI data.
Optionally, CPRI data are encapsulated into ethernet frame, format such as Fig. 1 b institutes of the ethernet frame after encapsulation
Show, the ethernet frame includes lead code, the address purpose media access control (Media Access Control, MAC), source
The fields such as MAC Address, payload data and Frame Check Sequence (Frame Check Sequence, FCS), wherein the CPRI
Data carry in the payload data field of the ethernet frame.
Optionally, when the sending device is when encapsulating the CPRI data, by the feature of the determining CPRI data
Information and the CPRI data are encapsulated into the ethernet frame, the format of the ethernet frame after encapsulation as illustrated in figure 1 c,
The ethernet frame includes the fields such as lead code, destination-mac address, source MAC, data characteristics, payload data and FCS,
Format i.e. relative to ethernet frame shown in Fig. 1 b, the ethernet frame further include the data characteristics field, the CPRI
The characteristic information of data is encapsulated in the data characteristics field of the ethernet frame.Optionally, the spy of the CPRI data
Reference breath can also carry the payload data portion in the ethernet frame.
Optionally, the characteristic information of the CPRI data may include at least one of or multinomial：Data length, data
Type, synchronizing information, timestamp, sequence number.Wherein, the data length, the length for indicating the CPRI data.It is described
Data type, the type for indicating the CPRI data.The timestamp, for indicating described in the sending device reception
At the time of CPRI data.The synchronizing information, for indicate the CPRI data with before CPRI data or with it is subsequent
Timing relationship between CPRI data.The sequence number, for indicating the sending device to being sealed when the CPRI data
Fill the serial number of processing.
For example, the characteristic information when the CPRI data includes data length, data type, synchronizing information/timestamp, sequence
When row number, the content for including in data characteristics field in the ethernet frame is as illustrated in figure 1 c.
It should be noted that Fig. 1 b and Fig. 1 c are only the example for further illustrating ethernet frame, in the embodiment of the present application simultaneously
Do not limit the ethernet frame format after encapsulation.
Base station need emit radiofrequency signal scene one in, the sending device can be the base station BBU or with
The network equipment connected BBU：
If the sending device is the BBU of the base station, the sending device generates the CPRI data, and will be described
CPRI data are encapsulated in the ethernet frame.
If the sending device is the network equipment being connected with the BBU of the base station, the BBU generates the CPRI data
And the CPRI data are sent to the sending device, the sending device receives the CPRI data that the BBU is sent,
And the CPRI data are encapsulated in the ethernet frame.
In scene one, the receiving device can be the RRU of the base station or the network equipment that is connected with the RRU.
If the receiving device is the RRU, the receiving device receives the ethernet frame, decapsulates the Ethernet
Frame obtains the CPRI data, and the CPRI data is converted to radiofrequency signal, and the radiofrequency signal is transmitted to antenna hair
It send.
If the receiving device is the network equipment being connected with the RRU, the receiving device receives the ethernet frame,
The ethernet frame is decapsulated, obtains the CPRI data, and the CPRI data are sent to the RRU；The RRU is received
The CPRI data are simultaneously converted to radiofrequency signal by the CPRI data, and the radiofrequency signal is transmitted to antenna and is sent.
In the scene two for needing the data of reception mobile device transmission in the base station, the sending device can be described
The RRU of base station or the network equipment being connected with the RRU.
If the sending device is the RRU of the base station, the sending device receives the data-signal of the mobile device,
Processing obtains the CPRI data, and the CPRI data are encapsulated in the ethernet frame.
If the sending device is the network equipment being connected with the RRU, the RRU receives the data of the mobile device
Signal, processing obtains the CPRI data, and the RRU is sent to the sending device；The sending device will be described
CPRI data are encapsulated in the ethernet frame.
In scene two, the receiving device can be the BBU of the base station or the network equipment that is connected with the BBU.
If the receiving device is the BBU, the receiving device receives the ethernet frame, and decapsulates the ether
Net frame obtains the CPRI data.
If the receiving device is the network equipment being connected with the BBU, the receiving device receives the ethernet frame,
It decapsulates the ethernet frame and obtains the CPRI data, and the CPRI data are sent to the BBU.
By above-mentioned communication network, the CPRI data to be sent can be encapsulated in the ether by the sending device
In net frame, so as to which the ethernet frame is transmitted to the receiving device using deployed Ethernet.In this way, described
Each network being deployed in the Ethernet (such as moving bearer network) can be utilized to set between sending device and receiving device
It is standby, realize the transmission of CPRI data.Due to using existing Ethernet between the sending device and the receiving device, and it is existing
Some Ethernets are widely distributed, and when transmission data does not limit the distance between sending device and receiving device, therefore, by above-mentioned
The connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented in scheme.
In order to which the technical solution of the description the embodiment of the present application being more clear puies forward the embodiment of the present application with reference to Fig. 2
A kind of flow of the data transmission method supplied is described.Wherein, the method is applied to the RRU and BBU of base station apart from larger
When scene in, such as multiple base stations are disposed BBU using centralized deployment mode and are disposed respectively using distributed deployment mode
RRU scene in.As shown in fig.2, this method includes：
S201：Sending device encapsulates CPRI data to be sent in ethernet frames.
In the embodiment of the present application, the sending device being related to and the receiving device can be in communication networks shown in Fig. 1 a
Corresponding sending device and receiving device, the sending device can be BBU or the network equipment that is connected with BBU, at this point, institute
Receiving device is stated as RRU or the network equipment being connected with RRU；Or the sending device is RRU or the network being connected with RRU is set
It is standby, at this point, the receiving device is BBU or the network equipment being connected with BBU.
Optionally, the CPRI data are encapsulated as the ethernet frame by the sending device by following steps, packet
It includes：
The sending device determines the characteristic information of the CPRI data；
The characteristic information and the CPRI data are encapsulated in the ethernet frame by the sending device.
Optionally, the characteristic information includes at least one of following or multinomial：Data length, data type, synchronizing information,
Timestamp, sequence number.Wherein, the data length, the length for indicating the CPRI data.The data type, is used for
Indicate the type of the CPRI data.The timestamp, at the time of for indicating that the sending device receives the CPRI data.
The synchronizing information, for indicating the CPRI data and CPRI data before or the timing between subsequent CPRI data
Relationship.The sequence number, for indicating the sending device to being packaged the serial number of processing when the CPRI data.
For example, when the sending device needs persistently to send large batch of CPRI data, the sending device can be by institute
A large amount of CPRI data are stated to be encapsulated in one or more ethernet frames.In order to ensure that the receiving device can be accurately to described
Ethernet frame is decapsulated to obtain the large batch of CPRI data, and the ethernet frame includes the sequence number, in this way,
The receiving device can be decapsulated after receiving multiple ethernet frames according to the sequencing of the sequence number, to
Obtain former CPRI data.
By the above method, the sending device haves no need to change the content and data format of the CPRI data, by institute
It states CPRI data to be encapsulated in the ethernet frame, the CPRI data of the carrying in ethernet frames is transmitted through Ethernet, it can
The CPRI data transmission efficiencies are improved, the efficiency that the receiving device decapsulation obtains the CPRI data is also improved,
CPRI business can be carried with all-transparentization.
Optionally, the CPRI data include the CPRI data in a time window.I.e. when the sending device is continuing
When always existing CPRI data to be sent in a period of time, the sending device is according to set time window to sent CPRI
Data are sliced, and are then packaged to CPRI data slicers, so as to realize the packetizing carrying of CPRI business.
The value of the time window is related to the size for the CPRI data being encapsulated into ethernet frame.When the time window
When value is excessive, the ethernet frame after encapsulation can be caused too long, be unfavorable for transmitting in ethernet networks；When the value of the time window
It when too small, transmit the CPRI data being sized and needs to be encapsulated in multiple ethernet frames and transmit, cause resource overhead excessive, pass
Defeated efficiency reduces.Therefore, optionally, the value of the time window can specifically be set according to the business characteristic of current Ethernet
It is fixed, that is, ensure the payload content encapsulated in each ethernet frame in normal range (NR), for example, the value of the time window can be
1.25 microseconds (μ s), when the CPRI business is that (message transmission rate of the CPRI business is 614.4 million to CPRI option1
Bits per second (Mbit/s)), the size of data in each time window be 768bit (1.25 μ s/ (1/614.4Mbit/s)=
768bit)), therefore, payload content is 768bit in the ethernet frame after encapsulation, in normal range (NR).
Optionally, it is multiple Ethernets when the sending device carries out slicing treatment post package to sent CPRI data
When frame, the characteristic information in each ethernet frame includes one in synchronizing information, timestamp and the sequence number of the CPRI data
Or it is multinomial.In this way, after receiving device receives the multiple ethernet frame, can be believed according to the feature in each ethernet frame
Breath, the sequencing embodied according to this feature information decapsulated to the multiple ethernet frame, accurate to obtain
Original CPRI data to be sent.
S202：The ethernet frame is sent to receiving device by the sending device.
As shown in Fig. 2, the sending device can be sent the ethernet frame by the deployed Ethernet
To the receiving device, i.e., the described sending device utilizes each network equipment in the Ethernet, transmits the ethernet frame, when
When the Ethernet is PTN, the network equipment is PTN device.
S203：After the receiving device receives the ethernet frame that the sending device is sent, by the ethernet frame
It is decapsulated, obtains the CPRI data.
Optionally, the sending device is in S201, by the characteristic information of the CPRI data and the CPRI data one
Rise when being encapsulated into the ethernet frame, the receiving device when executing S203, including：
The receiving device obtains the characteristic information for the CPRI data for including in the ethernet frame；
The receiving device decapsulates the ethernet frame according to the characteristic information, obtains the CPRI numbers
According to.
By the discussion above to the characteristic information it is found that the receiving device according to the characteristic information to it is described with
Too net frame is decapsulated, and original CPRI data can be accurately arrived.
Using data transmission method provided by the embodiments of the present application, sending device can encapsulate CPRI data to be sent
In ethernet frames, the ethernet frame is transmitted to receiving device so as to utilization deployed Ethernet.In this way, institute
Each network being deployed in the Ethernet (such as moving bearer network) can be utilized by stating between sending device and receiving device
Equipment realizes the transmission of CPRI data.Due to using existing Ethernet between the sending device and the receiving device, and
Existing Ethernet is widely distributed, and when transmission data does not limit the distance between sending device and receiving device, therefore, by upper
Scheme is stated, the connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented.
Based on above example, the embodiment of the present application provides a kind of sending device, and the sending device can be applied to
In communication network as shown in Figure 1a, for realizing data transmission method as shown in Figure 2, as shown in fig.3, the transmission is set
Standby 300 include：Processing unit 301 and transmission unit 302, wherein
Processing unit 301, for encapsulating CPRI data to be sent in ethernet frames；
Transmission unit 302, for sending the ethernet frame.
Optionally, the processing unit 301, is specifically used for：Determine the characteristic information of the CPRI data；By the feature
Information and the CPRI data are encapsulated in the ethernet frame.
Optionally, the characteristic information includes at least one of following or multinomial：Data length, data type, synchronizing information,
Timestamp, sequence number；Wherein, at the time of the timestamp is for indicating that the sending device receives the CPRI data.
Optionally, the CPRI data include the CPRI data in a time window.
Optionally, the sending device 300 is BBU or the network equipment being connected with BBU；Or the sending device 300
The network equipment being connected for RRU or with RRU.
Optionally, the transmission unit 302, is specifically used for：The ethernet frame is sent by Ethernet.
Sending device provided by the embodiments of the present application can encapsulate CPRI data to be sent in ethernet frames, thus
The ethernet frame can be transmitted to receiving device using deployed Ethernet.In this way, the sending device and reception
Each network equipment being deployed in the Ethernet (such as moving bearer network) can be utilized between equipment, realize CPRI data
Transmission.Due to using existing Ethernet between the sending device and the receiving device, and existing Ethernet is distributed
Extensively, the distance between sending device and receiving device are not limited when transmission data, it therefore, can be with by the sending device
Realize the connection between the RRU and the BBU of centralized deployment of distributed deployment.
Based on above example, the embodiment of the present application provides a kind of receiving device, and the receiving device can be applied to
In communication network as shown in Figure 1a, for realizing data transmission method as shown in Figure 2, as shown in fig.4, the reception is set
Standby 400 include：Receiving unit 401 and processing unit 402, wherein
Receiving unit 401, for receiving ethernet frame, the ethernet frame includes CPRI data；
Processing unit 402 obtains the CPRI data for decapsulating the ethernet frame.
Optionally, the processing unit 402, is specifically used for：Obtain the CPRI data for including in the ethernet frame
Characteristic information；The ethernet frame is decapsulated according to the characteristic information, obtains the CPRI data.
Optionally, the characteristic information includes at least one of following or multinomial：Data length, data type, synchronizing information,
Timestamp, sequence number；Wherein, the timestamp is used to indicate to send described in the sending device reception of the ethernet frame
At the time of CPRI data.
Optionally, the CPRI data include the CPRI data in a time window.
Optionally, the receiving device 400 is RRU or the network equipment being connected with RRU；Or the receiving device 400
The network equipment being connected for BBU or with BBU.
Optionally, the receiving unit 401, is specifically used for：The ethernet frame is received by Ethernet.
Ethernet of the receiving device provided by the embodiments of the present application in the carrying CPRI data for receiving sending device transmission
After frame, the ethernet frame can be decapsulated and obtain the CPRI data.The sending device can utilize it is deployed with
Too the ethernet frame is transmitted to receiving device by net.In this way, deployment can be utilized between the sending device and receiving device
Each network equipment in the Ethernet (such as moving bearer network) realizes the transmission of CPRI data.Due to the transmission
Existing Ethernet is used between equipment and the receiving device, and existing Ethernet is widely distributed, and when transmission data is unlimited
Determine the distance between sending device and receiving device, therefore, by above-mentioned receiving device, the RRU of distributed deployment may be implemented
Connection between the BBU of centralized deployment.
It is realized in optical signal since the data transmission between BBU and RRU needs to carry data, i.e. BBU and RRU are sent out
Data, be transmitted to BBU and RRU data be in the form of optical signal existing for, it is clear that deposited in traditional BBU and RRU
In photoelectric conversion module, to realize the conversion between optical signal and electric signal.
Based on above example, the embodiment of the present application also provides another sending device, the sending device can be
It needs to emit the BBU in the scene of radiofrequency signal in base station, or needs to receive the data that mobile device is sent in base station
RRU in scene, for realizing data transmission method as shown in Figure 2.As shown in fig.5, the sending device 500 includes：
Service Processing Module 501, data package module 502, photoelectric conversion module 503, wherein the Service Processing Module 501 is used for
The business for realizing the sending device generates CPRI data to be sent.The data package module 502, being used for will be described
CPRI data encapsulate in ethernet frames, and specific encapsulation process is referred in data transmission method embodiment shown in Fig. 2
Description, details are not described herein again.That is, the photoelectric conversion module 503 will for realizing the conversion between optical signal and electric signal
The electric signal for carrying the ethernet frame is converted to the optical signal for carrying the ethernet frame, so that the optical signal can pass through
Optical fiber is transmitted to next network equipment.
Based on above example, the embodiment of the present application also provides another receiving device, the receiving device can be
It needs to emit the RRU in the scene of radiofrequency signal in base station, or needs to receive the data that mobile device is sent in base station
BBU in scene, for realizing data transmission method as shown in Figure 2.As shown in fig.6, the receiving device 600 includes：
Photoelectric conversion module 601, data decapsulation module 602, Service Processing Module 603, wherein the photoelectric conversion module 601 is used
In after the optical signal for receiving the carrying ethernet frame transmitted by optical fiber, the optical signal is converted to and carries the ether
The electric signal of net frame；The data decapsulation module 602 obtains CPRI data for decapsulating the ethernet frame,
Specific decapsulation process is referred to the description in data transmission method embodiment shown in Fig. 2, described in details are not described herein again
Service Processing Module 603, for according to the CPRI data, realizing the business of the receiving device.
Based on above example, the embodiment of the present application also provides another sending device, the sending device can be
It needs to emit the network equipment being connected with BBU in the scene of radiofrequency signal in base station, or needs to receive in base station and move
The network equipment being connected with RRU in the scene for the data that equipment is sent, for realizing data transmission method as shown in Figure 2.
As shown in fig.7, the sending device 700 includes：Photoelectric conversion module 701, data package module 702, at Ethernet service
Manage module 703, wherein the photoelectric conversion module 701, for BBU or RRU to be carried CPRI data by what optical fiber was sent
Optical signal is converted, and the electric signal for carrying the CPRI data is obtained.The data package module 702, being used for will be described
CPRI data encapsulate in ethernet frames, and specific encapsulation process is referred in data transmission method embodiment shown in Fig. 2
Description, details are not described herein again.The Ethernet service processing module 703, for according to the ethernet frame, realizing the hair
Send the Ethernet service of equipment.
Based on above example, the embodiment of the present application also provides another receiving device, the receiving device can be
It needs to emit the network equipment being connected with RRU in the scene of radiofrequency signal in base station, or needs to receive in base station and move
The network equipment being connected with BBU in the scene for the data that equipment is sent, for realizing data transmission method as shown in Figure 2.
As shown in fig.8, the receiving device 800 includes：Ethernet service processing module 801, data decapsulation module 802, photoelectricity
Conversion module 803, wherein the Ethernet service processing module 801, it is real for receiving the ethernet frame for carrying CPRI data
The Ethernet service of the existing receiving device.The data decapsulation module 802, for unsealing the ethernet frame
Dress, obtains the CPRI data, specific decapsulation process is referred to retouching in data transmission method embodiment shown in Fig. 2
It states, details are not described herein again.The photoelectric conversion module 803 is obtained for converting the electric signal for carrying the CPRI data
To the optical signal for carrying the CPRI data, and by optical fiber by the optical signal transmission to BBU or RRU.
Data package module and data decapsulation module in above example can also be passed through by software realization
Application-specific integrated circuit (Application Specific Integrated Circuits, ASIC) chip or field programmable gate
Array (Field-Programmable Gate Array, FPGA) realizes that the embodiment of the present application is not construed as limiting this.
It is schematical, only a kind of logic to the division of unit in the embodiment of the present application in addition, it is necessary to illustrate
Function divides, formula that in actual implementation, there may be another division manner.Each functional unit in embodiments herein can collect
Can also be that each unit physically exists alone in Cheng Yi processing unit, can also two or more units it is integrated
In a unit.The form that hardware had both may be used in above-mentioned integrated unit is realized, SFU software functional unit can also be used
Form is realized.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the application
The all or part of step of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
Based on above example, the embodiment of the present application also provides a kind of communication networks, as shown in figure 9, in the communication
In network, BBU and RRU are all made of the structure of sending device as shown in Figure 5 when sending CPRI data to opposite end；And it is described
The BBU and RRU is all made of the structure of receiving device as shown in FIG. 6 when receiving the CPRI data that opposite end is sent.It is described
The process that CPRI data are transmitted between BBU and the RRU may refer in the direction of the arrow in Fig. 9 and above method embodiment
Description, details are not described herein again.
It should be noted that in the communication network, the network equipment in addition to the BBU and the RRU and with
Too net is deployed good, it may not be necessary to any change.
CPRI data to be sent can be encapsulated in the communication network, when BBU or RRU are as sending device with
Too in net frame, so as to which the ethernet frame to be transmitted to the receiving device of opposite end using deployed Ethernet.In this way,
Each net being deployed in the Ethernet (such as moving bearer network) can be utilized between the sending device and receiving device
Network equipment realizes the transmission of CPRI data.Due to using existing Ethernet between the sending device and the receiving device,
And existing Ethernet is widely distributed, when transmission data, does not limit the distance between sending device and receiving device, therefore, passes through
The connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented in said program.
Based on above example, the embodiment of the present application also provides a kind of communication networks, as shown in Figure 10, in the communication
In network, the network equipment being connected with BBU and RRU is all made of transmission as shown in Figure 7 and sets when sending CPRI data to opposite end
Standby structure；And the BBU and RRU is all made of reception as shown in Figure 8 and sets when receiving the CPRI data that opposite end is sent
Standby structure.Between the BBU and the RRU transmit CPRI data process may refer to the arrow in Figure 10 be directed toward and with
Description in upper embodiment of the method, details are not described herein again.
It should be noted that in the communication network, in addition to the network equipment being connected with the BBU and the RRU
Equipment (i.e. BBU and RRU) and Ethernet be deployed good, it may not be necessary to any change.
It, can will be to be sent when the network equipment that is connected with BBU or RRU is as sending device in the communication network
The encapsulation of CPRI data in ethernet frames, so as to which the ethernet frame is transmitted to pair using deployed Ethernet
The receiving device at end.It (such as is moved in this way, can be utilized between the sending device and receiving device and be deployed in the Ethernet
Bearer network) in each network equipment, realize CPRI data transmission.Due between the sending device and the receiving device
Using existing Ethernet, and existing Ethernet is widely distributed, when transmission data do not limit sending device and receiving device it
Between distance therefore through the above scheme, the company between the RRU of distributed deployment and the BBU of centralized deployment may be implemented
It connects.
Based on above example, the embodiment of the present application also provides a kind of communication networks, as shown in figure 11, in the communication
In network, BBU, using the structure of sending device as shown in Figure 5, is sent when sending CPRI data to offside receiving offside
CPRI data when, using the structure of receiving device as shown in FIG. 6；The network equipment being connected with RRU help the RRU to
When offside sends CPRI data, using the structure for such as scheming sending device as shown in Figure 7, offside hair is received helping the RRU
When the CPRI data sent, using the structure of receiving device as shown in Figure 8.Pass through the network equipment between the BBU and the RRU
The process for transmitting CPRI data may refer to the description in arrow direction and the above method embodiment in Figure 11, herein not
It repeats again.
It should be noted that in the communication network, in addition to the BBU and the network equipment being connected with the RRU
Equipment (such as RRU and the network equipment being connected with BBU) and Ethernet be deployed good, it may not be necessary to Ren Hegai
Become.
It can will be to be sent in the communication network, when BBU or the network equipment that is connected with RRU are as sending device
CPRI data encapsulate in ethernet frames, so as to which the ethernet frame is transmitted to opposite end using deployed Ethernet
Receiving device.In this way, between the sending device and receiving device can utilize be deployed in the Ethernet (such as movement hold
Contained network network) in each network equipment, realize CPRI data transmission.Due to being adopted between the sending device and the receiving device
With existing Ethernet, and existing Ethernet is widely distributed, and when transmission data does not limit between sending device and receiving device
Distance therefore through the above scheme, the connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented.
Based on above example, the embodiment of the present application also provides a kind of communication networks, as shown in figure 12, in the communication
In network, RRU, using the structure of sending device as shown in Figure 5, is sent when sending CPRI data to offside receiving offside
CPRI data when, using the structure of receiving device as shown in FIG. 6；The network equipment being connected with BBU help the BBU to
When offside sends CPRI data, using the structure for such as scheming sending device as shown in Figure 7, offside hair is received helping the BBU
When the CPRI data sent, using the structure of receiving device as shown in Figure 8.Pass through the network equipment between the BBU and the RRU
The process for transmitting CPRI data may refer to the description in arrow direction and the above method embodiment in Figure 12, herein not
It repeats again.
It should be noted that in the communication network, in addition to the RRU and the network equipment being connected with the BBU
Equipment (such as BBU and the network equipment being connected with RRU) and Ethernet be deployed good, it may not be necessary to Ren Hegai
Become.
It can will be to be sent in the communication network, when RRU or the network equipment that is connected with BBU are as sending device
CPRI data encapsulate in ethernet frames, so as to which the ethernet frame is transmitted to opposite end using deployed Ethernet
Receiving device.In this way, between the sending device and receiving device can utilize be deployed in the Ethernet (such as movement hold
Contained network network) in each network equipment, realize CPRI data transmission.Due to being adopted between the sending device and the receiving device
With existing Ethernet, and existing Ethernet is widely distributed, and when transmission data does not limit between sending device and receiving device
Distance therefore through the above scheme, the connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented.
Based on above example, the embodiment of the present invention additionally provides a kind of sending device, for realizing number as shown in Figure 2
According to transmission method, and have the function of sending device as shown in Figure 3, refering to fig. 1 shown in 3, is wrapped in the sending device 1300
It includes：Communication interface 1301, processor 1302, bus 1303, memory 1304 and photoelectric conversion module 1305.
The communication interface 1301, the processor 1302, the memory 1304 and the photoelectric conversion module 1305
It is connected with each other by the bus 1303.
Bus 1303 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation
PCI) bus or expanding the industrial standard structure (extended industry standard architecture, abbreviation EISA)
Bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of indicating, only with one in Figure 13
Thick line indicates, it is not intended that an only bus or a type of bus.
The communication interface 1301, for carrying out communication interaction with other equipment.
The processor 1302, for realizing data transmission method as shown in Figure 2, including：By CPRI numbers to be sent
According to being encapsulated as ethernet frame；The ethernet frame is sent to receiving device.
Optionally, the processor 1302 is specifically used for when CPRI data to be sent are encapsulated as ethernet frame：Really
The characteristic information of the fixed CPRI data；The characteristic information and the CPRI data are encapsulated as the ethernet frame.
Optionally, the characteristic information includes at least one of following or multinomial：Data length, data type, synchronizing information,
Timestamp, sequence number；Wherein, at the time of the timestamp is for indicating that the sending device receives the CPRI data.
Optionally, the CPRI data include the CPRI data in a time window.
Optionally, the processor 1302 is specifically used for when the ethernet frame is sent to receiving device：By with
Too the ethernet frame is sent to the receiving device by net.
Wherein, when the sending device 1300 is BBU or the network equipment being connected with BBU, the receiving device is RRU
Or the network equipment being connected with RRU；Or
When the sending device 1300 be RRU or be connected with RRU the network equipment when, the receiving device for BBU or with
The network equipment connected BBU.
The photoelectric conversion module 1304 is used for into the conversion between traveling optical signal and electric signal.
For example, when the sending device 1300 is BBU or RRU, the photoelectric conversion module 1304 will be for that will carry envelope
The electric signal of the ethernet frame installed is converted, and the optical signal for carrying the ethernet frame is obtained, so as to so that institute
It states sending device 1300 and the optical signal is transferred to the connected network equipment by optical fiber.
In another example when the sending device 1300 is the network equipment being connected with BBU or RRU, the opto-electronic conversion mould
Block 1304 is used for after the optical signal that the sending device 1300 receives the carrying CPRI data that BBU or RRU are sent, by institute
State optical signal and be converted to the electric signal for carrying the CPRI data so that the data package module in the sending device 1300 with
And Ethernet service processing module can recognize the CPRI data.
The memory 1304, for storing program etc..Specifically, program may include program code, the program code
Including computer-managed instruction.The memory 1304 may include random access memory (random access memory,
Abbreviation RAM), it is also possible to further include nonvolatile memory (non-volatile memory), for example, at least a disk storage
Device.The processor 1302 executes the application program that memory 1304 is stored, and realizes above-mentioned function, to realize such as Fig. 2 institutes
The data transmission method shown.
Sending device provided by the embodiments of the present application can encapsulate CPRI data to be sent in ethernet frames, thus
The ethernet frame can be transmitted to receiving device using deployed Ethernet.In this way, the sending device and reception
Each network equipment being deployed in the Ethernet (such as moving bearer network) can be utilized between equipment, realize CPRI data
Transmission.Due to using existing Ethernet between the sending device and the receiving device, and existing Ethernet is distributed
Extensively, the distance between sending device and receiving device are not limited when transmission data, it therefore, can be with by the sending device
Realize the connection between the RRU and the BBU of centralized deployment of distributed deployment.
Based on above example, the embodiment of the present invention additionally provides a kind of receiving device, for realizing number as shown in Figure 2
According to transmission method, and have the function of receiving device as shown in Figure 4, refering to fig. 1 shown in 4, is wrapped in the receiving device 1400
It includes：Communication interface 1401, processor 1402, bus 1403, memory 1404 and photoelectric conversion module 1405.
The communication interface 1401, the processor 1402, the memory 1404 and the photoelectric conversion module 1405
It is connected with each other by the bus 1403.
Bus 1403 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation
PCI) bus or expanding the industrial standard structure (extended industry standard architecture, abbreviation EISA)
Bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of indicating, only with one in Figure 14
Thick line indicates, it is not intended that an only bus or a type of bus.
The communication interface 1401, for carrying out communication interaction with other equipment.The processor 1402, for realizing such as
Data transmission method shown in Fig. 2, including：Receive the ethernet frame that sending device is sent；The ethernet frame is unsealed
Dress, obtains CPRI data.
The processor 1402 is specifically used for when being decapsulated the ethernet frame to obtain the CPRI data：
Obtain the characteristic information for the CPRI data for including in the ethernet frame；
The ethernet frame is decapsulated according to the characteristic information, obtains the CPRI data.
Optionally, the characteristic information includes at least one of following or multinomial：Data length, data type, synchronizing information,
Timestamp, sequence number；Wherein, at the time of the timestamp is for indicating that the sending device receives the CPRI data.
Optionally, the CPRI data include the CPRI data in a time window.
Optionally, the processor 1402 is specifically used for when receiving the ethernet frame that sending device is sent：Pass through ether
Net receives the ethernet frame that the sending device is sent.
Wherein, when the network equipment that the sending device is BBU or is connected with BBU；The receiving device 1400 be RRU or
The network equipment being connected with RRU；Or when the sending device is RRU or the network equipment being connected with RRU；The reception is set
The standby network equipment for being BBU or being connected with BBU.
The photoelectric conversion module 1404 is used for into the conversion between traveling optical signal and electric signal.For example, working as the reception
When equipment 1400 is BBU or RRU, the photoelectric conversion module 1304 is used to carry the telecommunications of the packaged ethernet frame
It number is converted, obtains the optical signal for carrying the ethernet frame, so as to so that data solution in the receiving device 1400
Package module can identify the ethernet frame.
In another example when the receiving device 1400 is the network equipment being connected with BBU or RRU, the opto-electronic conversion mould
Block 1404 after the decapsulation of the receiving device 1400 obtains the CPRI data for that will can will carry the CPRI data
Electric signal be converted to the optical signal for carrying the CPRI data, it is described so as to which the optical signal to be transferred to by optical fiber
BBU or described RRU.
The memory 1404, for storing program etc..Specifically, program may include program code, the program code
Including computer-managed instruction.The memory 1404 may include random access memory (random access memory,
Abbreviation RAM), it is also possible to further include nonvolatile memory (non-volatile memory), for example, at least a disk storage
Device.The processor 1402 executes the application program that memory 1404 is stored, and realizes above-mentioned function, to realize such as Fig. 2 institutes
The data transmission method shown.
Receiving device provided by the embodiments of the present application can unseal after receiving the ethernet frame for carrying CPRI data
It fills the ethernet frame and obtains the CPRI data.The sending device can utilize deployed Ethernet by the ether
Net frame is transmitted to receiving device.It is deployed in the Ethernet (example in this way, can be utilized between the sending device and receiving device
Such as move bearer network) in each network equipment, realize CPRI data transmission.Since the sending device and the reception are set
Existing Ethernet is used between standby, and existing Ethernet is widely distributed, when transmission data does not limit sending device and reception
Therefore by above-mentioned receiving device, the RRU of distributed deployment and the BBU of centralized deployment may be implemented in the distance between equipment
Between connection.
A kind of data transmission method is provided by the embodiment of the present application and device, sending device can be by CPRI to be sent
Data encapsulate in ethernet frames, are set so as to which the ethernet frame is transmitted to reception using deployed Ethernet
It is standby.It is deployed in the Ethernet (such as moving bearer network) in this way, can be utilized between the sending device and receiving device
In each network equipment, realize CPRI data transmission.It is existing due to being used between the sending device and the receiving device
Ethernet, and existing Ethernet is widely distributed, and when transmission data does not limit the distance between sending device and receiving device,
Therefore, through the above scheme, the connection between the RRU of distributed deployment and the BBU of centralized deployment may be implemented.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Claims (23)
1. a kind of data transmission method, which is characterized in that including：
Sending device encapsulates general common radio-frequency interface CPRI data to be sent in ethernet frames；
The sending device sends the ethernet frame.
2. the method as described in claim 1, which is characterized in that the sending device by the CPRI data be encapsulated in it is described with
Too in net frame, including：
The sending device determines the characteristic information of the CPRI data；
The characteristic information and the CPRI data are encapsulated in the ethernet frame by the sending device.
3. method as claimed in claim 2, which is characterized in that the characteristic information includes at least one of following or multinomial：Number
According to length, data type, synchronizing information, timestamp, sequence number；Wherein, the timestamp is for indicating that the sending device connects
At the time of receiving the CPRI data.
4. method as described in any one of claims 1-3, which is characterized in that the CPRI data include in a time window
CPRI data.
5. method according to any one of claims 1-4, which is characterized in that
The sending device is baseband processing unit BBU or the network equipment being connected with BBU；Or
The sending device is RRU or the network equipment being connected with RRU.
6. method as described in any one in claim 1-5, which is characterized in that the sending device sends the ethernet frame,
Including：The sending device sends the ethernet frame by Ethernet.
7. a kind of data transmission method, which is characterized in that including：
Receiving device receives ethernet frame, and the ethernet frame includes general common radio-frequency interface CPRI data；
The receiving device decapsulates the ethernet frame, obtains the CPRI data.
8. the method for claim 7, which is characterized in that the receiving device decapsulates the ethernet frame,
The CPRI data are obtained, including：
The receiving device obtains the characteristic information for the CPRI data for including in the ethernet frame；
The receiving device decapsulates the ethernet frame according to the characteristic information, obtains the CPRI data.
9. method as claimed in claim 8, which is characterized in that the characteristic information includes at least one of following or multinomial：Number
According to length, data type, synchronizing information, timestamp, sequence number；Wherein, the timestamp sends the Ethernet for indicating
At the time of the sending device of frame receives the CPRI data.
10. such as claim 7-9 any one of them methods, which is characterized in that the CPRI data include in a time window
CPRI data.
11. such as claim 7-10 any one of them methods, which is characterized in that
The receiving device is radio frequency remote unit RRU or the network equipment being connected with RRU；Or
The receiving device is BBU or the network equipment being connected with BBU.
12. such as claim 7-11 any one of them methods, which is characterized in that the receiving device receives the Ethernet
Frame, including：
The receiving device receives the ethernet frame by Ethernet.
13. a kind of sending device, which is characterized in that including：
Processing unit, for encapsulating general common radio-frequency interface CPRI data to be sent in ethernet frames；
Transmission unit, for sending the ethernet frame.
14. sending device as claimed in claim 13, which is characterized in that the processing unit is specifically used for：
Determine the characteristic information of the CPRI data；
The characteristic information and the CPRI data are encapsulated in the ethernet frame.
15. sending device as claimed in claim 14, which is characterized in that the characteristic information includes at least one of following or more
：Data length, data type, synchronizing information, timestamp, sequence number；Wherein, the timestamp is for indicating that the transmission is set
At the time of the standby reception CPRI data.
16. such as claim 13-15 any one of them sending devices, which is characterized in that when the CPRI data include one
Between CPRI data in window.
17. such as claim 13-16 any one of them sending devices, which is characterized in that
The sending device is baseband processing unit BBU or the network equipment being connected with BBU；Or
The sending device is RRU or the network equipment being connected with RRU.
18. such as claim 13-17 any one of them sending devices, which is characterized in that the transmission unit is specifically used for：
The ethernet frame is sent by Ethernet.
19. a kind of receiving device, which is characterized in that including：
Receiving unit, for receiving ethernet frame, the ethernet frame includes general common radio-frequency interface CPRI data；
Processing unit obtains the CPRI data for decapsulating the ethernet frame.
20. receiving device as claimed in claim 19, which is characterized in that the processing unit is specifically used for：
Obtain the characteristic information for the CPRI data for including in the ethernet frame；
The ethernet frame is decapsulated according to the characteristic information, obtains the CPRI data.
21. receiving device as claimed in claim 20, which is characterized in that the characteristic information includes at least one of following or more
：Data length, data type, synchronizing information, timestamp, sequence number；Wherein, the timestamp for indicate to send it is described with
At the time of too the sending device of net frame receives the CPRI data.
22. such as claim 19-21 any one of them receiving devices, which is characterized in that when the CPRI data include one
Between CPRI data in window.
23. such as claim 19-22 any one of them receiving devices, which is characterized in that
The receiving device is radio frequency remote unit RRU or the network equipment being connected with RRU；Or
The receiving device is BBU or the network equipment being connected with BBU.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130956.9A CN108616484A (en) | 2016-12-09 | 2016-12-09 | a kind of data transmission method and device |
| PCT/CN2017/101295 WO2018103394A1 (en) | 2016-12-09 | 2017-09-11 | Data transmission method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130956.9A CN108616484A (en) | 2016-12-09 | 2016-12-09 | a kind of data transmission method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108616484A true CN108616484A (en) | 2018-10-02 |
Family
ID=62492176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611130956.9A Pending CN108616484A (en) | 2016-12-09 | 2016-12-09 | a kind of data transmission method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108616484A (en) |
| WO (1) | WO2018103394A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112822569B (en) * | 2019-11-15 | 2023-08-15 | 中国移动通信有限公司研究院 | Monitoring processing method and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101282349A (en) * | 2007-04-02 | 2008-10-08 | 华为技术有限公司 | Method and system for promoting application of CPRI interface, processing module for CPRI interface |
| CN103166710A (en) * | 2012-12-19 | 2013-06-19 | 中国联合网络通信集团有限公司 | Downlink signal transmission method, access device and trunk device |
| CN103404226A (en) * | 2013-06-07 | 2013-11-20 | 华为技术有限公司 | Method and device for data transmission |
| CN103999541A (en) * | 2011-10-21 | 2014-08-20 | 瑞典爱立信有限公司 | Methods and apparatuses for maintaining synchronization between a radio equipment controller and an item of radio equipment |
| US20150236785A1 (en) * | 2014-02-18 | 2015-08-20 | Broadcom Corporation | Cpri framelets |
| CN104994590A (en) * | 2015-06-29 | 2015-10-21 | 上海华为技术有限公司 | Data transmission method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611529B (en) * | 2012-02-27 | 2014-12-17 | 福建三元达通讯股份有限公司 | Method for realizing non-error transmission of more than 100 meters on twisted pair |
| 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 |
| CN106230509A (en) * | 2016-08-10 | 2016-12-14 | 武汉虹信通信技术有限责任公司 | A kind of method and system utilizing ten thousand mbit ethernet transmission wireless signals |
-
2016
- 2016-12-09 CN CN201611130956.9A patent/CN108616484A/en active Pending
-
2017
- 2017-09-11 WO PCT/CN2017/101295 patent/WO2018103394A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101282349A (en) * | 2007-04-02 | 2008-10-08 | 华为技术有限公司 | Method and system for promoting application of CPRI interface, processing module for CPRI interface |
| CN103999541A (en) * | 2011-10-21 | 2014-08-20 | 瑞典爱立信有限公司 | Methods and apparatuses for maintaining synchronization between a radio equipment controller and an item of radio equipment |
| CN103166710A (en) * | 2012-12-19 | 2013-06-19 | 中国联合网络通信集团有限公司 | Downlink signal transmission method, access device and trunk device |
| CN103404226A (en) * | 2013-06-07 | 2013-11-20 | 华为技术有限公司 | Method and device for data transmission |
| US20150236785A1 (en) * | 2014-02-18 | 2015-08-20 | Broadcom Corporation | Cpri framelets |
| CN104994590A (en) * | 2015-06-29 | 2015-10-21 | 上海华为技术有限公司 | Data transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018103394A1 (en) | 2018-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102112487B1 (en) | Data transmission methods, devices and systems | |
| US9681208B2 (en) | Data processing method, communications board and device | |
| KR101536141B1 (en) | Apparatus and method for converting signal between ethernet and can in a vehicle | |
| US20160316463A1 (en) | Data Transmission Method, Data Transfer Device, and System | |
| CN103026678B (en) | Hybrid orthogonal frequency division multiplexing time domain multiplexing passive optical network | |
| US9641916B2 (en) | Optical channel data unit service transmission apparatus and method | |
| CN101369977A (en) | Method, apparatus and system for transmitting data | |
| CN106717111A (en) | Method, device, and system for receiving CPRI data stream and ethernet frame | |
| EP3282601B1 (en) | Method for mapping packet service to optical transport network, and otn device | |
| CN102315892B (en) | Data forwarding device, cable fastener plates and data forwarding method | |
| CN109936781B (en) | Data transmission method, equipment and system | |
| CN101882975A (en) | Method for transmitting data by using preamble of Ethernet frame | |
| CN111835748A (en) | Data conversion method and device between CPRI interface and eCPRI interface | |
| CN102388594B (en) | Method, device and system for data transmission | |
| US7983297B2 (en) | Method and apparatus for the efficient use of available communications network bandwidth | |
| CN105284184B (en) | A kind of data transmission method, device and network system | |
| CN101557386A (en) | Method and device for sending data and method and device for receiving data | |
| WO2014174768A1 (en) | Wireless communication device, wireless communication system, and wireless communication method | |
| CN108616484A (en) | a kind of data transmission method and device | |
| CN101631387A (en) | Service dispatching method, service dispatching device and service dispatching system of microwave link | |
| CN107484206B (en) | Method and device for realizing link load balance in wireless local area network | |
| CN111342929A (en) | Information sending and receiving method and device and information processing system | |
| CN112714063B (en) | Message transmission method, device and digital processing chip | |
| CN104539388B (en) | Data transmitting and receiving method and device | |
| CN114430574A (en) | Service mapping encapsulation method, device and computer readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181002 |
|
| RJ01 | Rejection of invention patent application after publication |