CN109412948A - A kind of Base Band Unit, base station and data transmission disposal method - Google Patents
A kind of Base Band Unit, base station and data transmission disposal method Download PDFInfo
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- CN109412948A CN109412948A CN201710713713.6A CN201710713713A CN109412948A CN 109412948 A CN109412948 A CN 109412948A CN 201710713713 A CN201710713713 A CN 201710713713A CN 109412948 A CN109412948 A CN 109412948A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
- H04L45/121—Shortest path evaluation by minimising delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
Abstract
The embodiment of the present invention provides a kind of Base Band Unit, base station and data transmission disposal method, data to be forwarded are received by front end Switching Module, then forwarding control module is forwarded route matching according to the data that default forwarding flow table receives front end Switching Module, when the data for determining that there are to be forwarded to coffret module according to matching result, by the data forwarding to the data exchange submodule in coffret module；Since forward-path matching process being advanced by, so when a certain data are not destined to coffret module, the data are just not necessarily to through data exchange submodule, but it can directly be sent by forwarding control module by front end Switching Module, it avoids data exchange submodule and the data back process between control module is forwarded to improve the volume of transmitted data in the unit time to reduce time delay, further improve bandwidth, it is possible to user be made to obtain preferably experience.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of Base Band Unit, base station and data transmission disposal method.
Background technique
In wireless base station device, the function of base station is usually completed by multiple Physical board cooperative cooperatings, based on safety
And the considerations of saving IP (Internet Protocol, Internet protocol) resource, the communication between base station and core net is all logical
Come what is realized, the external IP in base station is disposed in coffret module the coffret module crossed in Base Band Unit, transmission
Interface module can be a specific Physical board, be also possible to a virtual unit (such as virtual machine, Docker container).This
Sample, coffret module be equivalent to the NAT for capableing of deep analysis message (Network Address Translation,
Network address translation) equipment.
Coffret module, traditional Switching Module and baseband processing module are frequently included in existing Base Band Unit,
In, include network interface card and forwarding module in coffret module, processing is forwarded to a certain data in existing Base Band Unit
When, which must be just sent to the network interface card of coffret module by traditional Switching Module, and pass through the net of coffret module
Card is transferred to forwarding module, its forward-path can be just determined in this way, for needing to send to core net or Base-Band Processing mould
For the data of block, the data after forwarding module determines its forward-path, the data be forwarded again module transfer to
The network interface card of coffret module, namely there are a data passback process, the mistakes of this passback between forwarding module and network interface card
Journey increases the time delay that data communication is carried out between core net and base station, since time delay increases, then transmitted per unit time
Data will be reduced, therefore reduce bandwidth.And with the evolution of mobile service 4G to 5G, it is desirable that the business scenario of support is more next
It is more, base station process performance is required higher and higher.Therefore, how to reduce between base station and core net in data transmission procedure
The data volume that time delay increases transmitted per unit time in turn becomes technical problem urgently to be resolved.
Summary of the invention
Base Band Unit, base station and data transmission disposal method provided in an embodiment of the present invention, main technical problems to be solved
It is only to be incited somebody to action in coffret module by network interface card during carrying out data interaction between existing Base Band Unit and core net
Route matching could be forwarded to the data after data receiver and the forwarding module being sent in coffret module, cause
The data for not needing to send to coffret module also must cause the net of forwarding module Yu coffret module by its network interface card
There are data back processes between card, lead to the larger problem for causing bandwidth lower of time delay.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of Base Band Unit, comprising: including front end interchange mode
Block, forwarding control module and coffret module, the coffret module include data exchange submodule；
Front end Switching Module, for receiving data to be forwarded；
Control module is forwarded, for carrying out according to preset forwarding flow table to the data that the front end Switching Module receives
Forward-path matching, and determine that there are to be forwarded to the coffret module according to matching result data when, by the data
It is transmitted to the data exchange submodule of the coffret module；It include for determining corresponding turn of data in the forwarding flow table
Send out the strategy in path.
The embodiment of the present invention also provides a kind of base station, comprising: radio frequency unit and Base Band Unit as described above.
The embodiment of the present invention also provides a kind of data transmission disposal method, comprising:
Front end Switching Module receives data to be forwarded；
Forwarding control module is forwarded according to the data that preset forwarding flow table receives the front end Switching Module
Route matching, and determine that there are to be forwarded to coffret module according to matching result data when, by the data forwarding to institute
State the data exchange submodule in coffret module；It include for determining the corresponding forward-path of data in the forwarding flow table
Strategy.
The embodiment of the present invention also provides a kind of computer storage medium, be stored in the computer storage medium one or
The multiple programs of person, one or more of programs can be executed by one or more processor, to realize that above-mentioned data such as turn
The step of sending out processing method.
The beneficial effects of the present invention are:
Base Band Unit, base station, data transmission disposal method and the computer storage medium provided according to embodiments of the present invention,
Data to be forwarded are received by front end Switching Module, and control module is then forwarded to be exchanged according to preset forwarding flow table front end
The data that module receives are forwarded route matching, and determine that there are to be forwarded to coffret module according to matching result
When data, by the data forwarding to the data exchange submodule in coffret module, wherein include for true in forwarding flow table
Fixed number is according to the strategy for corresponding to forward-path；Therefore the data exchange submodule in coffret module receive a certain data it
Before, which just has already passed through forward-path matching, since forward-path matching process to be advanced by, so working as a certain data not
When being destined to coffret module, which is just not necessarily to through data exchange submodule, but can directly be controlled by forwarding
Module is sent by front end Switching Module, relative to the data for not needing to send to coffret module in currently existing scheme
Also the forwarding module in coffret module must be sent to by data exchange submodule (network interface card) to carry out route matching
For scheme, scheme provided in an embodiment of the present invention can be to avoid the data between data exchange submodule and forwarding control module
Passback process so as to reduce the time delay of data forwarding in Base Band Unit, and then can promote the biography of the data in the unit time
Throughput rate may further promote bandwidth, so that user be allow to obtain better experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing Base Band Unit；
Fig. 2 is the first basic structure schematic diagram of Base Band Unit in the embodiment of the present invention one；
Fig. 3 is that forwarding control module is located at the structural schematic diagram in coffret module in the embodiment of the present invention one；
Fig. 4 is that forwarding control module is located at the structural schematic diagram in the Switching Module of front end in the embodiment of the present invention one；
Fig. 5 is the second basic structure schematic diagram of Base Band Unit in the embodiment of the present invention one；
Fig. 6 is the structural schematic diagram of base station in the embodiment of the present invention one；
Fig. 7 is the basic procedure schematic diagram of data transmission disposal method in the embodiment of the present invention two；
Fig. 8 is the first pass schematic diagram of the corresponding data transmission disposal method of Fig. 3 in the embodiment of the present invention two；
Fig. 9 is the second procedure schematic diagram of the corresponding data transmission disposal method of Fig. 3 in the embodiment of the present invention two；
Figure 10 is the first pass schematic diagram of the corresponding data transmission disposal method of Fig. 4 in the embodiment of the present invention two；
Figure 11 is the second procedure schematic diagram of the corresponding data transmission disposal method of Fig. 4 in the embodiment of the present invention two.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below by specific embodiment knot
Attached drawing is closed to be described in further detail the embodiment of the present invention.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
Embodiment one:
When being communicated with core net, base station is realized often by its Base Band Unit and is handed over the data of core net for base station
Mutual, shown in Figure 1, Fig. 1 is the structural schematic diagram of existing Base Band Unit, frequently includes biography in existing Base Band Unit
Defeated interface module 11, traditional Switching Module 12 and baseband processing module 13, and only pass through its net in coffret module 11
Card 111 receives the matching that could the data be forwarded after data with path, for example, when traditional Switching Module 12 receive by
When the data that core net is sent, the network interface card 111 of coffret module 11 can be sent the data to, then by coffret module
11 network interface card 111 is sent to the forwarding module 112 in coffret module 11, and forwarding module 112 is forwarded road to the data
Diameter matching, and when determining the data for existing and needing to be sent to baseband processing module 13, and send the data to coffret
Then the network interface card 111 of module 11 is sent to traditional Switching Module 12 by the network interface card 111 of coffret module 11, finally by tradition
Switching Module 12 sends the data to baseband processing module 13, can thus have a problem that, is sent to Base-Band Processing mould
The data of block 13 have the process of a passback in coffret module 11, which needs the net by coffret module 11
Card 111 is sent to forwarding module 112, and the network interface card 111 of coffret module 11 is sent to by forwarding module 112, this passback
Process increase between core net and base station carry out data communication time delay, due to time delay increase, then the unit time in pass
Defeated data will be reduced, therefore bandwidth is with regard to relatively low.Likewise, when traditional Switching Module 12 is received by baseband processing module
When the data of 13 transmissions, the network interface card 111 of coffret module 11 can be sent the data to, then by coffret module 11
Network interface card 111 is sent to the forwarding module 112 in coffret module 11, and forwarding module 112 is forwarded path to the data
Match, and when determining the data for existing and needing to be sent to core net, and sends the data to the network interface card of coffret module 11
111, tradition exchange network interface card 111 is then sent to by the network interface card 111 of coffret module 11, is finally sent out by traditional Switching Module 12
Core net is given, so that the interaction of data between Base Band Unit and core net is realized, at this point, for needing to be sent to core net
A passback process is equally existed for data.
Therefore it in order to solve during carrying out data interaction between existing Base Band Unit and core net, is only transmitting
Interface module by network interface card by after data receiver and the forwarding module that is sent in coffret module could to the data into
The matching of row forward-path causes the data for not needing to send to coffret module also must cause forwarding mould by its network interface card
There are data back processes between block and the network interface card of coffret module, lead to the larger problem for causing bandwidth lower of time delay, this
Embodiment provides a kind of Base Band Unit, shown in Figure 2, and Base Band Unit 20 provided in this embodiment includes front end Switching Module
21, control module 22 and coffret module 23 are forwarded, wherein includes data exchange submodule in coffret module 23
231, coffret module 23 is by data exchange submodule 231 and extraneous progress data interaction, for example, can be handed over by data
Change the data of 231 receiving front-end Switching Module 21 of submodule transmission.
Front end Switching Module 21 in the present embodiment is used for basis for receiving data to be forwarded, forwarding control module 22
The data that preset forwarding flow table receives front end Switching Module 21 are forwarded route matching, and are determined according to matching result
When the data that there are to be forwarded to coffret module 23, by the data forwarding to the data exchange submodule of coffret module 23
Block 231, wherein include for determining that data correspond to the strategy of forward-path in forwarding flow table.
It should be noted that the data to be forwarded that receive of above-mentioned front end Switching Module 21 and above-mentioned according to matching result
Determine that the existing data to be forwarded to coffret module 23 may not be same data, naturally it is also possible to it is same data,
Here it is illustrated to the case where not being same data, in addition to including for determining the corresponding forwarding of data in forwarding flow table at this time
It can also include the strategy for determining the corresponding forwarding data of the forward-path except the strategy in path.Wherein, front end interchange mode
Block 21 when receiving the first data to be forwarded, forwarding control module 22 according to preset forwarding flow table to first data into
The matching of row forward-path, and determine that there are this mistakes of the second data to be forwarded to coffret module 23 according to matching result
Journey may include:
Forwarding control module 22 is forwarded processing to first data by default forwarding flow table and obtains the second data, by this
Second data are determined as current forwarding data, and determine that the forwarding data (the second data) are corresponding according to default forwarding flow table
Forward-path；
Or,
Forwarding control module 22 determine the corresponding forward-path of the first data by default forwarding flow table after, to this first
Data are forwarded processing and obtain the second data, and second data are determined as to current forwarding data.
It should be understood that the forward process in the present embodiment includes but is not limited to press default forwarding flow table to first number
According to being parsed, modify, abandon etc., it is however generally that the first data are usually all some messages, also can be to the message
Encryption and decryption, modification heading add timestamp to message, can obtain after first data are parsed or modified
To the second data, control module 22 is forwarded these the second data forwardings can be gone out, certainly can also by it is certain do not meet it is pre-
If the first data of rule directly abandon, the matching of forward-path is related to during this for determining forward-path, such as
It may include the corresponding relationship of data and forward-path in forwarding flow table, for example, the data of control plane can be transmitted toward upper layer,
The data of data surface are transmitted toward lower layer, it, can be according to the forward-path after a certain data are successfully matched to forward-path
The source IP address of the data is replaced with into purpose IP address, source MAC (Media Access Control, media access control)
Location replaces with target MAC (Media Access Control) address, then forwards control module 22 can be according to the destination IP address and target MAC (Media Access Control) address to institute
Data are stated to be forwarded；Data and forward-path, which carry out this matched process, can follow multistage matched rule, every level-one
Corresponding processing can be done to the data by searching hit (hit), and all data for searching failure can be abandoned directly, or
It is directly forwarded to front end Switching Module 21, for example, by the corresponding MAC Address of a certain data and the MAC Address prestored and can turn
Hair path mapping table is matched, if searching hit, can determine the corresponding forward-path of the data.
It should also be noted that, the forwarding control module 22 in the present embodiment can be handed over the front end in the present embodiment respectively
Mold changing block 21 and coffret module 23 are independent from each other module, and forwarding control module shown in Figure 2 22 is just independently of preceding
It holds except Switching Module 21 and coffret module 23.
Certainly, the forwarding control module 22 in the present embodiment may be located in coffret module 23, can also be located at
In front end Switching Module 21.
Here it is located at the situation in coffret module 23 to forwarding control module 22 first to be illustrated.
Shown in Figure 3, forwarding control module 22 is located in coffret module 23, the Base Band Unit 20 shown in Fig. 3
In further include baseband processing module 24, the data to be forwarded that front end Switching Module 21 receives at this time may come from core
Net, can be from specifically may include: in baseband processing module 24
Front end Switching Module 21 sends out the data for receiving the data to be forwarded sent by baseband processing module 24
Give forwarding control module 22；Forwarding control module 22 is used to receive the data sent by front end Switching Module 21, and according to pre-
If forwarding flow table route matching is forwarded to the data, and determine that there are the numbers to be forwarded to core net according to matching result
According to when, by the data forwarding to front end Switching Module 21；Front end Switching Module 21 is also used to receive and be sent out by forwarding control module 22
The data sent, and send the data to core net；
And/or
Front end Switching Module 21 is used to receive the data to be forwarded sent by core net, and sends the data to forwarding
Control module 22；Forwarding control module 22 is used to receive the data sent by front end Switching Module 21, and according to preset forwarding
Flow table is forwarded route matching to the data, and determines that there are the numbers to be forwarded to baseband processing module 24 according to matching result
According to when, by the data forwarding to front end Switching Module 21；Front end Switching Module 21 is also used to receive and be sent out by forwarding control module 22
The data sent, and send the data to baseband processing module 24；Baseband processing module 24 is for receiving by front end Switching Module
21 data sent, and the data are analyzed and processed.
Dotted line in Fig. 3 characterizes the process of the data transmission disposal in Base Band Unit 20, and four-headed arrow indicates that this is one
A reversible process.It should be understood that front end Switching Module 21 it is received sent by baseband processing module 24 it is to be forwarded
The primary source of data can be user terminal, for example, user terminal can send service request, base band list in base station to base station
The baseband processing module 24 of member 20 is sent to front end Switching Module 21 after can pre-processing to the service request, should manage
Solution, front end Switching Module 21 receive the data that are sent by forwarding control module 22 and send the data to core net it
Afterwards, which can be also used for receiving the data sent by core net, at this time core net forward end Switching Module
21 data sent can be what basis was obtained from the data that front end Switching Module 21 receives, in this case, at base band
Reason module 24 can also be analyzed and processed the data after receiving the data sent by front end Switching Module 21 to respond use
The request of family terminal.Certainly, in some embodiments, core net can also 21 propelling data of active forward end Switching Module.
Likewise, the data to be forwarded that above-mentioned front end Switching Module 21 receives are deposited with above-mentioned according to matching result determination
It is to be forwarded to the data of baseband processing module 24 or core net may not also be same data.It should be understood that passing
It can also include business module in defeated interface module 23, wherein business module is located at the upper layer of data exchange submodule 231, business
Module can respond various businesses data, therefore, when forwarding control module 22 is located in coffret module 23, only forward
When the data that control module 22 determines that there are to be forwarded to coffret module 23, can just it give data exchange sub- the data forwarding
Module 231, specifically, can be forwarding control module 22 determines that there are to be forwarded to business module in coffret module 23
When data, by the data forwarding to data exchange submodule 231, data exchange submodule 231 can pass through coffret module
Transmission module in 23 transmits the data to business module, so that business module carries out the processing of service layer to the data.
It should be noted that the forwarding control module 22 and data exchange submodule 231 in Fig. 3 can be set in same number
It may be programmed on exchange chip according to face, realize the reception of data only by traditional network interface card relative to existing coffret module 23
For transmission, data surface may be programmed exchange chip and improve the performance of data exchange, and the data of exchange can achieve Tbps grades
Not.Certainly, the forwarding control module 22 in Fig. 3 can be integrated in respectively with data exchange submodule 231 in some embodiments
Different data surfaces may be programmed on exchange chip, and certainly, front end Switching Module 21 at this time also can be set and can compile in data surface
On journey exchange chip.
Forwarding control module 22 is located at by the situation in coffret module 23 is illustrated above, below to turn
The situation that hair control module 22 is located in front end Switching Module 21 is illustrated.
Shown in Figure 4, forwarding control module 22 is located in front end Switching Module 21, the Base Band Unit 20 shown in Fig. 4
It further include baseband processing module 24, likewise, the data to be forwarded that front end Switching Module 21 receives at this time may come from
Core net, can be from specifically may include: in baseband processing module 24
Front end Switching Module 21 is for receiving the data sent by baseband processing module 24, due to forwarding control module 22
In in front end Switching Module 21, so forwarding control module 22 can connect front end Switching Module 21 according to preset forwarding flow table
The data received are forwarded route matching, and determine that there are to be forwarded to core net according to matching result data when, by this
Data forwarding is to core net；
And/or
Front end Switching Module 21 is used to receive the data to be forwarded sent by core net, and forwarding control module 22 is used for root
It is forwarded route matching according to the data that preset forwarding flow table receives front end Switching Module 21, and true according to matching result
When there are the data to be forwarded to baseband processing module 24 surely, by the data forwarding to baseband processing module 24；Base-Band Processing mould
Block 24 is analyzed and processed the data for receiving the data sent by front end Switching Module 21.
It should be noted that the dotted line in Fig. 4 characterizes the process of the data transmission disposal in Base Band Unit 20, two-way arrow
Head indicates that this is a reversible process.It is sent out it should be understood that front end Switching Module 21 is received by baseband processing module 24
The primary source for the data to be forwarded sent can be user terminal, for example, user terminal can send service request to base station,
The baseband processing module 24 of Base Band Unit 20 is sent to front end exchange in base station after can pre-processing to the service request
Module 21, it should be appreciated that front end Switching Module 21 receives the data sent by forwarding control module 22 and sends out the data
After giving core net, which can be also used for receiving the data sent by core net, at this time core net to
The data that front end Switching Module 21 is sent can be what basis was obtained from the data that front end Switching Module 21 receives, in this feelings
Under condition, baseband processing module 24 can also carry out analysis to the data after receiving the data sent by front end Switching Module 21
It manages to respond the request of user terminal.Certainly, in some embodiments, core net can also active forward end Switching Module 21 push away
Send data.
Likewise, the data to be forwarded that above-mentioned front end Switching Module 21 receives are deposited with above-mentioned according to matching result determination
It is to be forwarded to the data of baseband processing module 24 or core net may not also be same data.It should be understood that passing
It can also include business module in defeated interface module 23, wherein business module is located at the upper layer of data exchange submodule 231, business
Module can respond various businesses data, therefore, when forwarding control module 22 is located in front end Switching Module 21, only forward
When the data that control module 22 determines that there are to be forwarded to coffret module 23, can just it give data exchange sub- the data forwarding
Module 231, and when control module 22 being forwarded to determine that a certain data need to send to baseband processing module 24 or core net, only need
It to be transmitted by front end Switching Module 21, which also just without sending coffret module 23 to, greatly reduces
Time delay in data forwarding process.Specifically, forwarding control module 22 can give coffret mould there are to be forwarded determining
In block 23 when the data of business module, by the data forwarding to data exchange submodule 231, data exchange submodule 231 can be with
Business module is transmitted the data to by the transmission module in coffret module 23, so that business module carries out the data
The processing of service layer.
It should be noted that the front end Switching Module 21 in Fig. 4 can may be programmed exchange chip for data surface, due to Fig. 4
In forwarding control module 22 be located in front end Switching Module 21, so forwarding control module 22 at this time should also be as being integrated in number
It may be programmed on exchange chip according to face, it should be noted that two kinds of functions at least may be implemented in programmable chip at this time, right respectively
The forward-path matching feature of control module 22 and the data receiver and sending function of front end Switching Module 21 should be forwarded, because
This is for both functions, its essence is being stored with corresponding code on programmable chip, so it is also understood that: it is preceding
End Switching Module 21 substantially comprises forwarding control module 22 and exchanges submodule with front end, this belongs to two modules arranged side by side,
For realizing the matching of the corresponding forward-path of data, front end exchanges submodule and is used to receive from the external world middle forwarding control module 22
Data are sent to forwarding control module 22, or receive the data sent by forwarding control module 22 and be transmitted to the external world.
Front end Switching Module 21, which is integrated in data surface, may be programmed on exchange chip, relative to existing only by tradition
For switching equipment realizes the sending and receiving of data, the performance of data exchange can be promoted.Certainly, the data exchange in Fig. 4
Submodule 231 also can integrate may be programmed on exchange chip in data surface.Data surface in the present embodiment may be programmed exchange chip
P4 (Programming Protocol-Independent Packet Processors, the number unrelated with agreement can be used
Programming language is handled according to packet) language is programmed, to realize that forwarding control module 22, data exchange submodule 231, front end are handed over
Change the mold the function of block 21.Certainly, the coffret module 23 in the present embodiment, the function of baseband processing module 24 can also be corresponding
Software code realization, and realize coffret module 23, the code of 24 function of baseband processing module can integrate respectively it is right
On the chip answered.
It should be understood that the forwarding flow table in the present embodiment fixed storage can forward in control module 22 in advance,
Or also can store in forwarding flow table management module, the forwarding flow table is sent to forwarding by forwarding flow table management module
Control module 22 specifically may refer to shown in Fig. 5, it should be noted that the forwarding flow table management module 25 in the present embodiment can
To be located in coffret module 23 or be located in front end Switching Module 21 or be located in baseband processing module 24, or
Except can also be independently of above-mentioned each module.Certainly, forward the forwarding flow table in flow table management module 25 can be in the present embodiment
It is just updated after prefixed time interval, specifically, can be carried out more according to the demand of upper layer application to forwarding flow table
Newly, for example it can modify to certain contents in forwarding flow table and perhaps delete or add some contents.
The embodiment of the present invention also provides a kind of base station on the basis of above-mentioned Base Band Unit 20, shown in Figure 6, this
The base station that embodiment provides includes radio frequency unit 26 and any one of the above Base Band Unit 20.
Base Band Unit provided in an embodiment of the present invention, base station, data to be forwarded are received by front end Switching Module, then
Forwarding control module is forwarded route matching, and root according to the data that preset forwarding flow table receives front end Switching Module
When the data for determining that there are to be forwarded to coffret module according to matching result, by the data forwarding in coffret module
Data exchange submodule, wherein include for determining that data correspond to the strategy of forward-path in forwarding flow table；Therefore coffret
Data exchange submodule in module is before receiving a certain data, which just has already passed through forward-path matching, due to inciting somebody to action
Forward-path matching process is advanced by, so the data are just not necessarily to lead to when a certain data are not destined to coffret module
Data exchange submodule is crossed, but can directly be sent by forwarding control module by front end Switching Module, it can be to avoid
Data back process between data exchange submodule and forwarding control module, so as to reduce data forwarding in Base Band Unit
Time delay, and then the volume of transmitted data in the unit time can be promoted, bandwidth may further be promoted, so that user be allow to obtain
It obtains and preferably experiences.
Embodiment two:
The embodiment of the present invention provides a kind of data transmission disposal method, shown in Figure 7, data provided in this embodiment
Method for processing forwarding can be applied in Base Band Unit, comprising:
S701: front end Switching Module receives data to be forwarded；
S702: forwarding control module is forwarded according to the data that preset forwarding flow table receives front end Switching Module
Route matching, and determine that there are to be forwarded to coffret module according to matching result data when, by the data forwarding to institute
State the data exchange submodule in coffret module.
It include for determining that data correspond to the strategy of forward-path in forwarding flow table in the present embodiment.
It should be noted that the data and above-mentioned steps to be forwarded that front end Switching Module receives in above-mentioned steps S701
Determine that the existing data to be forwarded to coffret module may not be same data according to matching result in S702, certainly
It can be same data, be illustrated here to the case where not being same data, in addition to including being used in forwarding flow table at this time
Determining that data correspond to can also include strategy for determining the corresponding forwarding data of the forward-path except the strategy of forward-path.
Wherein, front end Switching Module forwards control module according to preset forwarding flow table pair when receiving the first data to be forwarded
First data are forwarded route matching, and determine that there are the second numbers to be forwarded to coffret module according to matching result
According to this process may include:
Forwarding control module is forwarded processing to first data by default forwarding flow table and obtains the second data, by this
Two data are determined as current forwarding data, and determine corresponding turn of the forwarding data (the second data) according to default forwarding flow table
Send out path；
Or,
After forwarding control module determines the corresponding forward-path of the first data by default forwarding flow table, to first number
The second data are obtained according to processing is forwarded, and second data are determined as to current forwarding data.
It should be understood that the forward process in the present embodiment includes but is not limited to press default forwarding flow table to first number
According to being parsed, modify, abandon etc., it is however generally that the first data are usually all some messages, also can be to the message
Encryption and decryption, modification heading add timestamp to message, can obtain after first data are parsed or modified
To the second data, control module is forwarded these the second data forwardings can be gone out, certainly can also by it is certain do not meet it is default
First data of rule directly abandon, and the matching of forward-path are related to during this for determining forward-path, such as turn
The corresponding relationship that in hair flow table may include data and forward-path can after a certain data are successfully matched to forward-path
The source IP address of the data is replaced with purpose IP address, source MAC (Media Access according to the forward-path
Control, media access control) address replaces with target MAC (Media Access Control) address, and then forward control module can be according to the destination IP
Address and target MAC (Media Access Control) address are forwarded the data；And data carry out this matched process with forward-path and can abide by
Multistage matched rule is followed, every one level search hit (hit) can do corresponding processing to the data, all lookup failures
Data can be abandoned directly, or be directly forwarded to front end Switching Module, for example, can by the corresponding MAC of a certain data
Location is matched with the MAC Address prestored with forward-path mapping table, if searching hit, can determine the data pair
The forward-path answered.
For Base Band Unit shown in Fig. 3 in embodiment one, corresponding data transmission disposal method can respectively referring to
Shown in Fig. 8 and Fig. 9, if the data to be forwarded that front end Switching Module receives are from baseband processing module, the method
Include:
S801: front end Switching Module receives the data to be forwarded sent by baseband processing module, and the data are sent
Give forwarding control module.
S802: forwarding control module receives the data sent by front end Switching Module, and according to preset forwarding flow table pair
The data are forwarded route matching, and determine that there are to be forwarded to core net according to matching result data when, by the data
It is transmitted to front end Switching Module.
S803: front end Switching Module receives the data sent by forwarding control module, and sends the data to core net.
If the data to be forwarded that front end Switching Module receives from core net, the described method includes:
S901: front end Switching Module receives the data to be forwarded sent by core net, and sends the data to forwarding
Control module.
S902: the data that forwarding control mould is sent in reception by front end Switching Module, and according to preset forwarding flow table pair
The data are forwarded route matching, and determine that there are to be forwarded to baseband processing module according to matching result data when, general
The data forwarding gives front end Switching Module.
S903: front end Switching Module receives the data sent by forwarding control module, and sends the data at base band
Manage module.
S904: baseband processing module receives the data sent by front end Switching Module, and carries out at analysis to the data
Reason.
It should be understood that the received data to be forwarded sent by baseband processing module of front end Switching Module is initial
Source can be user terminal, for example, user terminal can send service request to base station, in base station at the base band of Base Band Unit
Reason module is sent to front end Switching Module after can pre-processing to the service request, it should be appreciated that front end exchange
After module receives the data sent by forwarding control module and sends the data to core net, which may be used also
To receive the data sent by core net, the data that core net forward end Switching Module is sent at this time can be to be handed over according to from front end
The data that receive of mold changing block obtain, and in this case, baseband processing module is received to be sent by front end Switching Module
The data can also be analyzed and processed after data to respond the request of user terminal.Certainly, in some embodiments, core
Netting can also active forward end Switching Module propelling data.
Likewise, the data to be forwarded that above-mentioned front end Switching Module receives determine exist according to matching result with above-mentioned
It is to be forwarded to the data of baseband processing module or core net may not also be same data.It should be understood that transmission connects
It can also include business module in mouth mold block, wherein business module is located at the upper layer of data exchange submodule, and business module can be with
Various businesses data are responded, therefore, when forwarding control module is located in coffret module, are only determined in forwarding control module
When the data that there are to be forwarded to coffret module, can just the data forwarding be given to data exchange submodule, specifically, can be with
It is that forwarding control module determines that there are to be forwarded in coffret module when the data of business module, by the data forwarding to number
According to exchange submodule, data exchange submodule can transmit the data to business by the transmission module in coffret module
Module, so that business module carries out the processing of service layer to the data.
For Base Band Unit shown in Fig. 4 in embodiment one, corresponding data transmission disposal method can respectively referring to
Shown in Figure 10 and Figure 11, if the data to be forwarded that front end Switching Module receives are from baseband processing module, the side
Method includes:
S1001: front end Switching Module receives the data sent by baseband processing module.
S1002: forwarding control module turns according to the data that preset forwarding flow table receives front end Switching Module
Send out route matching, and determine that there are to be forwarded to core net according to matching result data when, by the data forwarding to core net.
If the data to be forwarded that front end Switching Module receives from core net, the described method includes:
S1101: front end Switching Module receives the data to be forwarded sent by core net.
S1102: forwarding control module turns according to the data that preset forwarding flow table receives front end Switching Module
Send out route matching, and determine that there are to be forwarded to baseband processing module according to matching result data when, which is given
Baseband processing module.
S1103: baseband processing module receives the data sent by front end Switching Module, and carries out at analysis to the data
Reason.
It should be understood that the received data to be forwarded sent by baseband processing module of front end Switching Module is initial
Source can be user terminal, for example, user terminal can send service request to base station, in base station at the base band of Base Band Unit
Reason module is sent to front end Switching Module after can pre-processing to the service request, it should be appreciated that front end exchange
After module receives the data sent by forwarding control module and sends the data to core net, which may be used also
To receive the data sent by core net, the data that core net forward end Switching Module is sent at this time can be to be handed over according to from front end
The data that receive of mold changing block obtain, and in this case, baseband processing module is received to be sent by front end Switching Module
The data can also be analyzed and processed after data to respond the request of user terminal.Certainly, in some embodiments, core
Netting can also active forward end Switching Module propelling data.
Likewise, the data to be forwarded that above-mentioned front end Switching Module receives determine exist according to matching result with above-mentioned
It is to be forwarded to the data of baseband processing module or core net may not also be same data.It should be understood that transmission connects
It can also include business module in mouth mold block, wherein business module is located at the upper layer of data exchange submodule, and business module can be with
Various businesses data are responded, therefore, when forwarding control module is located in the Switching Module of front end, are only determined in forwarding control module
When the data that there are to be forwarded to coffret module, which can just be given to data exchange submodule, and forward control
When module determines that a certain data need to send to baseband processing module or core net, it is only necessary to be carried out by front end Switching Module
Transmission, the data also just without sending coffret module to, substantially reduce the time delay in data forwarding process.Specifically
, forwarding control module can be when determining that there are to be forwarded to the data of business module in coffret module, by the data
It is transmitted to data exchange submodule, data exchange submodule can pass the data by the transmission module in coffret module
It is defeated by business module, so that business module carries out the processing of service layer to the data.
In addition, forwarding flow table in the present embodiment can fixed storage, or can also be in forwarding control module in advance
It is stored in forwarding flow table management module, the forwarding flow table is sent to forwarding control module by forwarding flow table management module,
It should be noted that the forwarding flow table management module in the present embodiment can be located in coffret module or be located at front end
In Switching Module or be located in baseband processing module, or can also be independently of above-mentioned each module except.Certainly, this implementation
Forward the forwarding flow table in flow table management module that can just be updated after prefixed time interval in example, specifically, can
To be updated according to the demand of upper layer application to forwarding flow table, for example certain contents in forwarding flow table can be repaired
Change and perhaps deletes or add some contents.
Data transmission disposal method provided in an embodiment of the present invention, data to be forwarded are received by front end Switching Module,
Then forwarding control module is forwarded route matching, root according to the data that default forwarding flow table receives front end Switching Module
When the data for determining that there are to be forwarded to coffret module according to matching result, by the data forwarding in coffret module
Data exchange submodule；Since forward-path matching process to be advanced by, so when a certain data are not destined to coffret
When module, which is just not necessarily to through data exchange submodule, but can directly be exchanged by forwarding control module by front end
Module is sent, and is avoided data exchange submodule and is forwarded the data back process between control module, to reduce
Time delay improves the volume of transmitted data in the unit time, further improves bandwidth, it is possible to user be made to obtain better body
It tests.
Obviously, those skilled in the art should be understood that each module of the embodiments of the present invention or each step can be used
General computing device realizes that they can be concentrated on a single computing device, or be distributed in multiple computing device institutes
On the network of composition, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by them
It is stored in computer storage medium (ROM/RAM, magnetic disk, CD) and is performed by computing device, and in some cases, it can
With the steps shown or described are performed in an order that is different from the one herein, or they are fabricated to each integrated circuit dies
Block, or single integrated circuit module is maked multiple modules or steps in them to realize.So the present invention does not limit
It is combined in any specific hardware and software.
The above content is combining specific embodiment to be further described to made by the embodiment of the present invention, cannot recognize
Fixed specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention
Protection scope.
Claims (10)
1. a kind of Base Band Unit, including front end Switching Module, forwarding control module and coffret module, the coffret
Module includes data exchange submodule；
Front end Switching Module, for receiving data to be forwarded；
Control module is forwarded, the data for receiving according to preset forwarding flow table to the front end Switching Module are forwarded
Route matching, and determine that there are to be forwarded to the coffret module according to matching result data when, by the data forwarding
To the data exchange submodule of the coffret module；It include for determining that data correspond to forward-path in the forwarding flow table
Strategy.
2. Base Band Unit as described in claim 1, which is characterized in that the forwarding control module is located at the coffret mould
In block, the Base Band Unit further includes baseband processing module；
The front end Switching Module is used to receive the data to be forwarded sent by core net, and sends the data to described
Forward control module；
The forwarding control module is used to receive the data sent by the front end Switching Module, and according to preset forwarding
Flow table is forwarded route matching to the data, and determines that there are to be forwarded to the baseband processing module according to matching result
Data when, by the data forwarding give the front end Switching Module；
The front end Switching Module is also used to receive the data sent by the forwarding control module, and sends the data to institute
State baseband processing module.
3. Base Band Unit as described in claim 1, which is characterized in that the forwarding control module is located at the coffret mould
In block, the Base Band Unit further includes baseband processing module；
The front end Switching Module is for receiving the data to be forwarded sent by the baseband processing module, and by the data
It is sent to the forwarding control module；
The forwarding control module is used to receive the data sent by the front end Switching Module, and according to preset forwarding flow table
Route matching is forwarded to the data, and determine that there are to be forwarded to core net according to matching result data when, by this
Data forwarding gives the front end Switching Module；
The front end Switching Module is also used to receive the data sent by the forwarding control module, and sends the data to
The core net.
4. Base Band Unit as described in claim 1, which is characterized in that the forwarding control module is located at the front end interchange mode
In block, the Base Band Unit further includes baseband processing module；
The front end Switching Module is used to receive the data to be forwarded sent by core net；
The forwarding control module is used to carry out the data that the front end Switching Module receives according to preset forwarding flow table
Forward-path matching, and determine that there are to be forwarded to the baseband processing module according to matching result data when, by the data
It is transmitted to the baseband processing module.
5. Base Band Unit as described in claim 1, which is characterized in that the forwarding control module is located at the front end interchange mode
In block, the Base Band Unit further includes baseband processing module；
The front end Switching Module is for receiving the data sent by the baseband processing module；
The forwarding control module is used to carry out the data that the front end Switching Module receives according to preset forwarding flow table
Forward-path matching, and according to matching result determine there are it is to be forwarded give core net data when, by the data forwarding give described in
Core net.
6. Base Band Unit as claimed in claim 2 or claim 3, which is characterized in that the forwarding control module and the data exchange
Submodule setting may be programmed on exchange chip in same data surface.
7. Base Band Unit as described in claim 4 or 5, which is characterized in that the front end Switching Module is programmable for data surface
Exchange chip.
8. Base Band Unit as described in any one in claim 1-5 further includes forwarding flow table management module, the forwarding flow table pipe
Module is managed to be used to send forwarding flow table to the forwarding control module.
9. a kind of base station, which is characterized in that including radio frequency unit and such as the described in any item Base Band Unit of claim 1-8,
The radio frequency unit and the Base Band Unit communicate to connect.
10. a kind of data transmission disposal method, comprising:
Front end Switching Module receives data to be forwarded；
Forwarding control module is forwarded path according to the data that preset forwarding flow table receives the front end Switching Module
Matching, and determine that there are to be forwarded to coffret module according to matching result data when, by the data forwarding to the biography
Data exchange submodule in defeated interface module；It include for determining that data correspond to the plan of forward-path in the forwarding flow table
Slightly.
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