CN109586886A - A kind of data transmission system - Google Patents
A kind of data transmission system Download PDFInfo
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- CN109586886A CN109586886A CN201910023560.1A CN201910023560A CN109586886A CN 109586886 A CN109586886 A CN 109586886A CN 201910023560 A CN201910023560 A CN 201910023560A CN 109586886 A CN109586886 A CN 109586886A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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Abstract
The application proposes a kind of data transmission system, comprising: signaling data channel and business datum channel；Wherein, the signaling data channel is used for transmission the upper layer physical layer positioned at Base Band Unit and Operation and Maintenance signaling and physical layer sinking signaling between lower layer's physical layer positioned at active antenna element；The business datum channel, the business datum being used for transmission between the upper layer physical layer and lower layer's physical layer.Signaling data channel is arranged in above-mentioned data transmission system, the Operation and Maintenance signaling being used for transmission between the upper layer physical layer positioned at Base Band Unit and the physical layer sinking signaling between lower layer's physical layer of active antenna element, and transmission Base Band Unit and active antenna element.The data transmission system is applied in the base station 5G, the transmission of newly-increased signaling caused by physical layer function is sunk may be implemented, to ensure that base station functions are smoothly realized.
Description
Technical field
This application involves mobile communication technology fields, more specifically more particularly to a kind of data transmission system.
Background technique
Commonly used common public radio interface (the Common Public Radio in the application of 4G remote radio
Interface, CPRI) that there are flexibilities is poor, be difficult to extend, can not provide the problems such as collaboration of base-band resource and interface-free resources.
To solve the above problems, 3GPP proposes the wireless access planar network architecture based on function segmentation, which is repartitioned
The basic function of Base Band Unit (Baseband Unit, BBU) and Remote Radio Unit (Radio Remote Unit, RRU), will
Part baseband functions in BBU are transferred on RRU, to reduce the demand of forward pass network bandwidth and time delay, and enhance BBU with
The flexibility of RRU resource allocation.
When above-mentioned wireless access planar network architecture is in use in 5G mobile communication, above-mentioned RRU corresponds to the active day in the base station 5G
Line unit (Active antenna Unit, AAU).At this point, the above-mentioned part baseband functions by BBU are transferred on RRU,
Specifically the part physical layer function in BBU is sunk on AAU.AAU is sunk to along with the physical layer function of BBU, is needed
Increase corresponding control signaling, realizes the upper layer physical layer positioned at BBU and the business control between lower layer's physical layer of AAU
System.Both but existing CPRI is not defined the signaling transmission channel between upper layer substance reason layer and lower layer's physical layer, cause
Between signalling cannot be realized by CPRI.
Summary of the invention
Defect and deficiency based on the above-mentioned prior art, the application propose a kind of data transmission system, can satisfy physics
The signalling demand in communication scenes that layer function sinks.
A kind of data transmission system, comprising:
Signaling data channel and business datum channel；
Wherein, the signaling data channel is used for transmission positioned at the upper layer physical layer of Base Band Unit and positioned at active antenna
Physical layer sinking signaling between lower layer's physical layer of unit, and transmit the Base Band Unit and the active antenna element it
Between Operation and Maintenance signaling；
The business datum channel, the business number being used for transmission between the upper layer physical layer and lower layer's physical layer
According to.
Optionally, the signaling data channel, comprising:
CM data channel, the Operation and Maintenance signaling being used for transmission between Base Band Unit and active antenna element；
Physical layer sinking signalling path is used for transmission positioned at the upper layer physical layer of the Base Band Unit and positioned at described active
Physical layer sinking signaling between lower layer's physical layer of antenna element.
Optionally, the business datum channel, comprising:
Enhanced mobile broadband service data channel is used for transmission big flow mobile broadband service data；
And/or
Ultrahigh reliability and ultralow time delay communication service data channel, are used for transmission ultrahigh reliability and communicate with ultralow time delay
Business datum；
And/or
Internet of Things communication service data channel is used for transmission extensive internet of things service data.
Optionally, the data transmission system further include:
Protocol process module, for according to preset protocol rule, to the data transmitted in the data transmission system into
Row protocol processes.
Optionally, the preset protocol rule, comprising:
User plane data agreement, Ethernet protocol, physical layer sinking signaling transfer protocol, agreement in physical layer band, when
Divide multiplex protocol, transmission medium agreement.
Optionally, the transmission medium agreement, comprising:
Optical port transport protocol and or power port transport protocol.
Optionally, the data transmission system further include:
Format adaptation module, for being carried out to the data transmitted in the data transmission system according to preset frame structure
Format conversion.
Optionally, in the preset frame structure, a radio frames include 150 superframes, each superframe is divided into 64
Channel, each channel include 4 extension frames, and each extension frame includes the double word for setting quantity, wherein the double word is for carrying
Data information.
Optionally, the data transmission system further include:
Serially/interface module of unstringing, the data for transmitting to the data transmission system carry out data transmit-receive and string simultaneously
Conversion process.
Optionally, the data transmission system further include:
Control module carries out data transmission business or receiving control apparatus hair for controlling the data transmission system
The control instruction sent；Wherein, the control instruction carries out data transmission business for controlling the data transmission system.
The data transmission system that the application proposes is arranged signaling data channel, is used for transmission positioned at the upper layer of Base Band Unit
Physical layer and the physical layer sinking signaling between lower layer's physical layer of active antenna element, and transmit Base Band Unit and have
Operation and Maintenance signaling between source antenna unit.The data transmission system is applied in the base station 5G, physical layer function may be implemented
The transmission of newly-increased signaling caused by capable of sinking, to ensure that base station functions are smoothly realized.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is 5G architecture of base station schematic diagram provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of data transmission system provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another data transmission system provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of another data transmission system provided by the embodiments of the present application；
Fig. 5 is the data protocol schematic diagram of data transmission system provided by the embodiments of the present application；
Fig. 6 is the data frame structure schematic diagram of data transmission system provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of data transmission system, which can be applied to the base station 5G frame as shown in Figure 1
In structure, as the data transmission channel between upper layer physical layer and lower layer's physical layer.
Shown in Figure 1, the base station 5G is by Base Band Unit (Baseband Unit, BBU) and active antenna element (Active
Antenna Unit, AAU) composition, wherein AAU is mainly used for data conversion and signal processing between radio frequency and base band, and
The reception and transmission of the radiofrequency signal of extensive antenna；BBU is mainly used for completing the new radio of 5G (New Radio, NR) agreement
Stack processing.
In order to reduce the CPRI interface bandwidth between BBU and AAU, industry uses BBU physical layer function sinking scheme, by object
Reason layer (Physical, PHY) is divided into upper layer physical layer High-PHY and lower layer physical layer Low-PHY.The upper layer BBU in the base station 5G
Physical layer function realizes that lower layer's physical layer function is realized in AAU in BBU, and the data transmission link between BBU and AAU is this Shen
Please the data transmission system that is proposed of embodiment, caused by which mainly realizes that I/Q data, CM data, physical layer function are sunk
The transmission of signaling data.
Shown in Figure 2, data transmission system disclosed in the embodiment of the present application specifically includes:
Signaling data channel 1 and business datum channel 2；
Wherein, the signaling data channel 1 is used for transmission positioned at the upper layer physical layer of Base Band Unit and positioned at active antenna
Physical layer sinking signaling between lower layer's physical layer of unit, and transmit the Base Band Unit and the active antenna element it
Between Operation and Maintenance signaling；
The business datum channel 2, the business number being used for transmission between the upper layer physical layer and lower layer's physical layer
According to.
Specifically, physical layer function as shown in Figure 1 is sunk, newly-increased signaling will lead to, and existing CPRI interface, then do not have
There is the definition for above-mentioned newly-increased signaling, so that cannot achieve the transmission of above-mentioned newly-increased signaling using existing CPRI.
Based on the deficiency of above-mentioned existing CPRI interface, the application improves above-mentioned existing CPRI interface, and proposes
A kind of data transmission system is arranged signaling data channel 1, is used for transmission the upper layer substance positioned at BBU in the data transmission system
Manage layer High-PHY and the physical layer sinking signaling (PS) between the lower layer physical layer Low-PHY of AAU, and transmission BBU
Operation and Maintenance (CM) signaling between AAU.
Meanwhile above-mentioned data transmission system also configures business datum channel 2, is used for transmission upper layer physical layer shown in FIG. 1
Business datum between lower layer's physical layer.
Business datum between upper layer physical layer and lower layer's physical layer shown in Fig. 1, can be divided into bit-level data and
Sign level data.In the embodiment of the present application, illustratively, above-mentioned business datum channel 2 real-time Transmission in the form of data packet
Sign level data between upper layer physical layer and lower layer's physical layer shown in FIG. 1.Optionally, in practical application the embodiment of the present application
When technical solution, when conditions permit, it also can use above-mentioned business datum channel 2 and transmit upper layer physical layer and lower layer
Bit-level data between physical layer.
Data transmission system as shown in Figure 2 disclosed in the embodiment of the present application, for realizing BBU upper layer substance shown in FIG. 1
Manage the data transmission between layer and AAU lower layer physical layer.On this basis, upper layer processing module shown in Fig. 2, specifically can be
The lower layer physical layer Low-PHY of the upper layer side physical layer High-PHY or AAU of the side BBU.When upper layer processing module is upper layer physics
When layer High-PHY, it is mainly used for realizing High-PHY function；It is main when upper layer processing module is lower layer's physical layer Low-PHY
It will be for realizing Low-PHY function.
It is appreciated that the data transmission system that the embodiment of the present application proposes, is arranged signaling data channel, is used for transmission and is located at
The upper layer physical layer of Base Band Unit and the physical layer sinking signaling between lower layer's physical layer of active antenna element, Yi Jichuan
Operation and Maintenance signaling between defeated Base Band Unit and active antenna element.The data transmission system is applied in the base station 5G, it can
To realize the transmission of newly-increased signaling caused by physical layer function sinking, to ensure that base station functions are smoothly realized.
Further, in the application other embodiments, the data transmission system that the application is proposed is further disclosed
Specific structure.
Specifically, it is shown in Figure 3, it is also disclosed in another embodiment of the application, above-mentioned signaling data channel
1, comprising:
CM data channel 11, the Operation and Maintenance signaling being used for transmission between Base Band Unit and active antenna element；
Physical layer sinking signalling path 12 is used for transmission positioned at the upper layer physical layer of the Base Band Unit and has positioned at described
Physical layer sinking signaling between lower layer's physical layer of source antenna unit.
Above-mentioned business datum channel 2, comprising:
Enhanced mobile broadband service data channel 21 is used for transmission big flow mobile broadband service data；
And/or
Ultrahigh reliability and ultralow time delay communication service data channel 22, are used for transmission ultrahigh reliability and ultralow time delay is logical
Communication service data；
And/or
Internet of Things communication service data channel 23 is used for transmission extensive internet of things service data.
Specifically, the embodiment of the present application specifically draws the signaling data channel in the data transmission system proposed
Point, specifically it is classified as CM data channel 11 and physical layer sinking signalling path 12.Wherein, CM data channel 11 is used for transmission
Operation and Maintenance (CM) signaling between BBU and AAU.Wherein, Operation and Maintenance (CM) signaling between above-mentioned BBU and AAU, including
But it is not limited to the Operation and Maintenance letter of the CPRI physical layer and software application layer between Base Band Unit BBU and active antenna element AAU
It enables.
Physical layer sinking signalling path 12 is used for transmission lower layer's object of the upper layer side physical layer High-PHY and AAU of the side BBU
Manage the physical layer sinking signaling between layer Low-PHY.Wherein, above-mentioned physical layer sinking signaling, including but is not limited to is to be located at BBU
Upper layer physical layer High-PHY and physical layer sinking Base Band Unit between the lower layer physical layer Low-PHY of AAU and have
The real-time interactive service signaling of source antenna unit.
Meanwhile 5G communication definitions multiple communication services scenes, it mainly include enhanced mobile broadband (Enhance
Mobile Broadband, EMBB) business, ultrahigh reliability communicate (Ultra Reliable&LowLatency with ultralow time delay
Communication, URLLC) business, Internet of Things Network Communication (Machine Type Communication, MTC) business three classes.
For above-mentioned different communication service scene, the embodiment of the present application is in disclosed data transmission system, respectively
Corresponding data channel is set, corresponding business datum is used for transmission.That is, enhanced mobile broadband service data channel is arranged
21, it is used for transmission the mobile broadband service data of big flow；Ultrahigh reliability and ultralow time delay communication service data channel are set
22, it is used for transmission ultrahigh reliability and ultralow time delay communication service data；Arranging thing connected network communication business datum channel 23, is used for
Transmit extensive internet of things service data.
It should be noted that above-mentioned enhanced mobile broadband service data channel 21, ultrahigh reliability and ultralow time delay
Communication service data channel 22, Internet of Things communication service data channel 23 can also can exist jointly with individualism.In reality
When the data transmission system proposed using the embodiment of the present application, above-mentioned three kinds of numbers can be selected according to specific application scenarios
Whether configured simultaneously according to channel.
For example, it is assumed that being enhanced mobile broadband service field using the data transmission system that the embodiment of the present application proposes
Enhanced mobile broadband service data channel 21 then can be only arranged in scape, realize to the mobile broadband service data of big flow
Transmission.
Assuming that the data transmission system proposed using the embodiment of the present application, it is enhanced mobile broadband service and superelevation
Reliability and ultralow time delay communication service scene, then need to be arranged simultaneously enhanced mobile broadband service data channel 21 and superelevation
Reliability and ultralow time delay communication service data channel 22 are respectively used to transmission big flow mobile broadband service data, and transmission
Ultrahigh reliability and ultralow time delay communication service data.
Assuming that the data transmission system that is proposed using the embodiment of the present application, it is comprehensive to be that above-mentioned three kinds of application scenarios coexist
Close application scenarios, then need to be arranged simultaneously above-mentioned enhanced mobile broadband service data channel 21, ultrahigh reliability with it is ultralow
Time delay communication service data channel 22, Internet of Things communication service data channel 23 are respectively used to transmission big flow mobile broadband industry
Business data, transmission ultrahigh reliability and ultralow time delay communication service data, and the extensive internet of things service data of transmission.
It is appreciated that the data transmission system that the embodiment of the present application is proposed, it is not limited to be only applied to the example above
Communication service scene in, in arbitrary communication service scene, the data that can be proposed using the embodiment of the present application are passed
Defeated system realizes the data transmission between upper layer physical layer and lower layer's physical layer, at this point, by above-mentioned signaling data channel 1 and industry
Business data channel 2 is respectively set to data channel corresponding with business scenario.
It further, can also be by above-mentioned business datum according to the differentiation of uplink business data and downlink service data
Channel is divided into uplink business data channel and downlink service data channel.Such as shown in Fig. 5, above-mentioned uplink business data channel
With downlink service data channel, can specifically respectively include above-mentioned enhanced mobile broadband service data channel 21, superelevation can
It, can also by property and one of ultralow time delay communication service data channel 22, Internet of Things communication service data channel 23 or a variety of
To be the other types of business datum channel set according to specific business scenario.
Further, it is also disclosed in another embodiment of the application, shown in Figure 4, the embodiment of the present application is public
The data transmission system opened, further includes:
Protocol process module 3, for being assisted to the data transmitted in data transmission system according to preset protocol rule
View processing.
Specifically, corresponding data protocol is arranged for the data transmission system proposed in the embodiment of the present application.The agreement is
Improved on the basis of existing CPRI agreement, administrative section removes HDLC protocol, increases physical layer sinking signalling association
View, meanwhile, the I/Q data of user plane is subdivided into EMBB I/Q data, URLLC I/Q data and MTC I/Q data.Referring to Fig. 5
It is shown, the agreement include user plane data agreement, Ethernet protocol, physical layer sinking signaling transfer protocol, in physical layer band
Agreement (L1InbandProtocol), time division multiplex protocol, transmission medium agreement.
Wherein, user plane data agreement, including EMBB I/Q data agreement, URLLC I/Q data agreement, MTC I/Q data
Agreement.
It should be noted that above-mentioned transmission medium agreement, specifically can be optical port transport protocol or power port transport protocol,
It or simultaneously include optical port transport protocol and power port transport protocol.
The particular content of above-mentioned transmission medium agreement, the business that can also be applicable according to above-mentioned data transmission system
Scene and determine.
The business scenario applied by the data transmission system that the embodiment of the present application is proposed is to be applicable in optical port transmission services
When the business scenario of data, above-mentioned transmission medium agreement can only include optical port transport protocol.When the embodiment of the present application is mentioned
Business scenario applied by data transmission system out is above-mentioned transmission when being applicable in the business scenario of power port transmission services data
Medium agreement can only include power port transport protocol.The industry applied by the data transmission system that the embodiment of the present application is proposed
Business scene be include optical port business data transmission, and when including the business scenario of power port business data transmission, above-mentioned transmission
Medium agreement can include optical port transport protocol and power port transport protocol simultaneously.
Further, shown in Figure 4, the embodiment of the present application also discloses, above-mentioned data transmission system further include:
Format adaptation module 4, for being carried out to the data transmitted in the data transmission system according to preset frame structure
Format conversion.
Specifically, the embodiment of the present application defines corresponding data frame structure for the data transmission system proposed.And
Format adaptation module 4 is set in data transmission system, for the data frame structure according to definition, the data transmitted are carried out
Format conversion, including data frame encapsulation and data frame decapsulation etc..
It is shown in Figure 6, in the above-mentioned preset frame structure that the embodiment of the present application is proposed, a 10ms radio frames i packet
It includes 150 superframes (superframe 0- superframe 149), a superframe includes 256 extension frames (extension frame 0- extends frame 255), and one super
Frame is divided into 64 channels, 4, each channel extension frame.One extension frame includes L+1 double word: W=0 ... L, word length L are relied on
In line bit rate, line bit rate is higher, and word length L is bigger, and the information carried in the unit time is more.
Extension frame includes CM pipeline, PS pipeline, EMBB business pipeline, URLLC business pipeline and MTC service pipeline, each
Extending frame includes L+1 double word, and W=0-L, the 0th and the 1st double word in this L+1 double word is CM data, and 2-K double word is
Physical layer signaling, K+1-N double word are EMBB business I/Q data, and the N+1-M double word is URLLC business datum, and M+1-L is a
Double word is MTC service data, wherein K, N, M, L are positive integer, and K+1 < N < M, M+1 < L < MAX.Here MAX depends on passing
Defeated rate, such as 25G optical port rate, here MAX=96.
Further, shown in Figure 4, data transmission system disclosed in the embodiment of the present application further include:
Serially/interface module of unstringing 5, the data for transmitting to the data transmission system carry out data transmit-receive and string simultaneously
Conversion process.
Specifically, the embodiment of the present application for the data transmission system setting that is proposed it is serial/unstring SERDES
(SERializer/DESerializer) interface module for completing sending and receiving for data, and completes the string of data simultaneously
Conversion process.
Interface module of unstringing that above-mentioned is serial/interface module of unstringing for serial with opposite end/carries out optical port or power port
Connection makes different system ends realize data transmission.
Optionally, shown in Figure 4, the data transmission system that the embodiment of the present application proposes can also include:
Control module 6 carries out data transmission business or receiving control apparatus hair for controlling the data transmission system
The control instruction sent；Wherein, the control instruction carries out data transmission business for controlling the data transmission system.
Specifically, the above-mentioned control module in data transmission system disclosed in the embodiment of the present application, can be data transmission
The control module with control processing function built in system sends control instruction to data transmission system by its own, so as to
Control the data transmission of data transmission system；On the other hand, above-mentioned control module is also possible to exist in the form of control interface,
The control instruction sent by receiving external control equipment realizes the Data Transmission Controlling to data transmission system, specifically
Control data transmission system carries out data transmission business.
For each embodiment above-mentioned, it should be noted that each embodiment in this specification is all made of progressive side
Formula description, each embodiment focuses on the differences from other embodiments, same and similar between each embodiment
Part may refer to each other.
Each embodiment kind device of the application and module in terminal and submodule can be merged according to actual needs, be drawn
Divide and deletes.
In several embodiments provided herein, it should be understood that disclosed terminal, device and method, Ke Yitong
Other modes are crossed to realize.For example, terminal embodiment described above is only schematical, for example, module or submodule
Division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple submodule or
Module may be combined or can be integrated into another module, or some features can be ignored or not executed.Another point is shown
The mutual coupling, direct-coupling or communication connection shown or discussed can be through some interfaces, between device or module
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
Module or submodule may or may not be physically separated as illustrated by the separation member, as mould
The component of block or submodule may or may not be physical module or submodule, it can and it is in one place, or
It may be distributed on multiple network modules or submodule.Some or all of mould therein can be selected according to the actual needs
Block or submodule achieve the purpose of the solution of this embodiment.
In addition, each functional module or submodule in each embodiment of the application can integrate in a processing module
In, it is also possible to modules or submodule physically exists alone, it can also be integrated with two or more modules or submodule
In a module.Above-mentioned integrated module or submodule both can take the form of hardware realization, can also use software function
Energy module or the form of submodule are realized.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software unit or the two is implemented.Software unit can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of data transmission system characterized by comprising
Signaling data channel and business datum channel；
Wherein, the signaling data channel is used for transmission positioned at the upper layer physical layer of Base Band Unit and positioned at active antenna element
Lower layer's physical layer between physical layer sinking signaling, and transmit between the Base Band Unit and the active antenna element
Operation and Maintenance signaling；
The business datum channel, the business datum being used for transmission between the upper layer physical layer and lower layer's physical layer.
2. data transmission system according to claim 1, which is characterized in that the signaling data channel, comprising:
CM data channel, the Operation and Maintenance signaling being used for transmission between Base Band Unit and active antenna element；
Physical layer sinking signalling path is used for transmission positioned at the upper layer physical layer of the Base Band Unit and positioned at the active antenna
Physical layer sinking signaling between lower layer's physical layer of unit.
3. data transmission system according to claim 1 or 2, which is characterized in that the business datum channel, comprising:
Enhanced mobile broadband service data channel is used for transmission big flow mobile broadband service data；
And/or
Ultrahigh reliability and ultralow time delay communication service data channel, are used for transmission ultrahigh reliability and ultralow time delay communication service
Data；
And/or
Internet of Things communication service data channel is used for transmission extensive internet of things service data.
4. data transmission system according to claim 1 or 2, which is characterized in that the data transmission system further include:
Protocol process module, for being assisted to the data transmitted in the data transmission system according to preset protocol rule
View processing.
5. data transmission system according to claim 4, which is characterized in that the preset protocol rule, comprising:
User plane data agreement, Ethernet protocol, physical layer sinking signaling transfer protocol, agreement, time-division are multiple in physical layer band
With agreement, transmission medium agreement.
6. data transmission system according to claim 5, which is characterized in that the transmission medium agreement, comprising:
Optical port transport protocol and or power port transport protocol.
7. data transmission system according to claim 1 or 2, which is characterized in that the data transmission system further include:
Format adaptation module, for carrying out format to the data transmitted in the data transmission system according to preset frame structure
Conversion.
8. data transmission system according to claim 7, which is characterized in that in the preset frame structure, one wireless
Frame includes 150 superframes, each superframe is divided into 64 channels, and each channel includes 4 extension frames, and each extension frame includes setting
The double word of fixed number amount, wherein the double word is for carrying data information.
9. data transmission system according to claim 1 or 2, which is characterized in that the data transmission system further include:
Serially/interface module of unstringing, the data for transmitting to the data transmission system carry out data transmit-receive and serioparallel exchange
Processing.
10. data transmission system according to claim 1 or 2, which is characterized in that the data transmission system further include:
Control module carries out data transmission what business or receiving control apparatus were sent for controlling the data transmission system
Control instruction；Wherein, the control instruction carries out data transmission business for controlling the data transmission system.
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| CN201910023560.1A CN109586886B (en) | 2019-01-10 | 2019-01-10 | Data transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203306A (en) * | 2020-10-09 | 2021-01-08 | 哲库科技(北京)有限公司 | Terminal, communication method, device and storage medium |
| CN113965939A (en) * | 2020-07-16 | 2022-01-21 | 大唐移动通信设备有限公司 | Base station access maintenance testing device and method |
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| CN109586886B (en) | 2022-03-01 |
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