CN103701717A - Method, device and system for processing user data in cloud base station - Google Patents
Method, device and system for processing user data in cloud base station Download PDFInfo
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Abstract
The invention provides a method, device and system for processing user data in a cloud base station. The device comprises a switching module, a data selecting module, a data transmission module and a memory module, wherein the switching module is used for acquiring user IQ data; the data selecting module is used for selecting cached data from the acquired IQ data; the data transmission module is used for packaging and then transmitting the cached data to the memory module; the memory module is used for storing the cached data. According to the embodiment of the invention, the IQ data is acquired, the cached data is selected from the acquired IQ data, the cached data is packaged and then transmitted to the memory module 15, and the cached data is stored. Through the mode, the capability of processing the IQ data can be enhanced through the adjustment of the IQ data volume and the staggered peak processing of the IQ data. Besides, the device has the advantage that data which are received and transmitted by a data exchange device is transparently transmitted without influencing the normal work of the data exchange device.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of cloud base station user data processing method, device and system.
Background technology
Along with rising steadily of the energy and power price, mobile communication network operator faces huge cost pressure.Meanwhile, it is increasing that Ge great operator obtains the difficulty of site and machine room.In the face of cost and resource-constrained dual-pressure, mobile communications industry must be opened up a kind of novel access network framework to realize sustainable development, so C-RAN(Chinese translation is: the green wireless access network framework based on centralization processing, collaboration type radio and real-time cloud computing framework) technology is arisen at the historic moment.
The system architecture of C-RAN, mainly to be by the English full name of RRU(: Radio Remote Unit, Chinese translation is: distributed wireless networks Remote Radio Unit) forming with antenna, the optical transport network that possesses high bandwidth, low delay connects far-end radio frequency units, and the centralized Base-Band Processing pond three parts that general processor and real-time virtual technology form form.Baseband processing unit and far-end radio frequency units couple together by the optical transport network of high bandwidth, low delay.The English full name of BBU(is: Building Base band Unit, Chinese translation is: baseband processing unit) concentrate on a physical site and form baseband pool.In baseband pool, between a plurality of baseband processing units, pass through high bandwidth, low delay, topology, low-cost interconnection flexibly.In baseband pool, need to apply base station Intel Virtualization Technology, support virtual assigned and the combination of baseband pool physical resource and computing capability.
With traditional English full name of RAN(be: Residential Access Network, Chinese translation is: resident's Access Network) framework is compared, the English full name of CPRI(is: Common Public Radio Interface, Chinese translation is: common public radio interface) upper IQ data (the being user data) speed transmitting is the more than 100 times of generic interface.The English full name of TD-SCDMA(of four carrier wave three sectors is: Time Division-Synchronous Code Division Multiple Access, Chinese translation is: TD SDMA) the IQ data of base station (being user data) transmission bandwidth demand reaches 4Gbit/s, and the English full name of 20MHz single carrier three sector TD-LTE(is: Time Division Long Term Evolution, Chinese translation is: timesharing Long Term Evolution) the IQ data transfer bandwidth demand of base station approaches 30Gbit/s.
Along with the increase of IQ data transfer bandwidth, the ability that how to strengthen processing IQ data is the current problem that needs solution.
Summary of the invention
The embodiment of the present invention provides a kind of cloud base station user data processing method, device and system, can strengthen the ability of processing IQ data.
The embodiment of the present invention adopts following technical scheme:
A cloud base station user data processing unit, comprising:
Switching Module, for obtaining user IQ data;
Data selection module, for selecting data cached from described IQ data;
Data transmission module, for transferring to memory module after described data cached encapsulation;
Described memory module, described data cached for storing.
Optionally, also comprise:
Main control module, for detection of the bandwidth of described IQ data, and processes described IQ data;
Correspondingly, described data selection module specifically for, when the band that described IQ data detected when described main control module is wider than the first pre-set threshold value, from described IQ data, select data cached; When the bandwidth that described IQ data detected when described main control module is less than or equal to the first pre-set threshold value, from described IQ data, do not select data cached;
Described main control module also for, when measuring the bandwidth of described IQ data and be less than the second pre-set threshold value, process the data cached of described memory module storage; When measuring the bandwidth of described IQ data and be more than or equal to the second pre-set threshold value, do not process the data cached of described memory module storage;
Wherein, described the first pre-set threshold value is more than or equal to described the second pre-set threshold value.
Optionally, described data selection module specifically for, from described IQ data, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached;
Or, described data selection module specifically for, from described IQ data, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached;
Or, described data selection module specifically for, from described IQ data, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
Optionally, described main control module specifically for, when the bandwidth that detects described IQ data is less than the second pre-set threshold value, triggers described data transmission module and send reading command to described memory module;
Described memory module also for, receive the data cached of the backward described data exchange module transmission of reading command self storage.
Optionally, described memory module comprises:
Memory cell, for storing data;
Described storage control unit, reads or writes described data cached for controlling described memory cell.
Optionally, described data transmission module specifically for, described data cached to the transmission of described memory module by a plurality of high speed data links.
A cloud base station user data processing method, comprising:
Obtain IQ data;
From described IQ data, select data cached;
To after described data cached encapsulation, transfer to memory module;
Store described data cached.
Optionally, described from described IQ data, select data cached before, also comprise:
Detect the bandwidth of described IQ data;
Correspondingly, describedly from described IQ data, select data cached comprising:
When the band of described IQ data being detected and be wider than the first pre-set threshold value, from described IQ data, select data cached; When the bandwidth of described IQ data being detected and be less than the second pre-set threshold value, process the data cached of storage.
Optionally, describedly from described IQ data, select data cached comprising:
From described IQ data, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached;
Or, describedly from described IQ data, select data cached comprising:
From described IQ data, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached;
Or, describedly from described IQ data, select data cached comprising:
From described IQ data, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
A cloud base station user data treatment system, comprises cloud base station user data processing unit and DEU data exchange unit;
Described DEU data exchange unit connects at least one RRU and at least one BBU, for setting up the communication connection between described at least one RRU and described at least one BBU, and to described cloud base station user data processing unit, provide the IQ data of transmitting between described at least one RRU and described at least one BBU;
Described cloud base station user data processing unit is as above-mentioned cloud base station user data processing unit.
Based on technique scheme, cloud base station user data processing method, device and system that the embodiment of the present invention provides, obtain IQ data, data cached from the IQ data selection obtaining, to after described data cached encapsulation, transfer to memory module 15, store described data cached.Like this, by adjustment IQ data volume, avoid the peak hour and process IQ data, can strengthen the ability of processing IQ data.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of cloud base station user data processing unit that Fig. 1 provides for the embodiment of the present invention 1;
The structural representation of the another kind of cloud base station user data processing unit that Fig. 2 provides for the embodiment of the present invention 1;
The structural representation of another cloud base station user data processing unit that Fig. 3 provides for the embodiment of the present invention 1;
The flow chart of a kind of cloud base station user data processing method that Fig. 4 provides for the embodiment of the present invention 2;
The data processing equipment that Fig. 5 provides for the embodiment of the present invention 3 is realized the flow chart of IQ data buffer storage;
The data processing equipment that Fig. 6 provides for the embodiment of the present invention 3 is processed the flow chart of the IQ data of buffer memory;
The structural representation of a kind of cloud base station user data treatment system that Fig. 7 provides for the embodiment of the present invention 4;
The structural representation of the another kind of cloud base station user data treatment system that Fig. 8 a provides for the embodiment of the present invention 4;
The structural representation of another cloud base station user data treatment system that Fig. 8 b provides for the embodiment of the present invention 4.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of cloud base station user data processing unit, comprising:
Switching Module 12, for obtaining IQ data (being user data).
Wherein, IQ data can be by the English full name of BBU(: Building Base band Unit, Chinese translation is: indoor baseband processing unit) or RRU (English full name is: Radio Remote Unit, Chinese translation is: Remote Radio Unit) send and also can be sent by other communication equipments.
Data selection module 13, data cached for the IQ data selection from obtaining.
Data transmission module 14, for transferring to memory module 15 after described data cached encapsulation.
Memory module 15, described data cached for storing, and process described IQ data.
In the present embodiment, optional, as shown in Figure 2, this device can also comprise:
Correspondingly, described data selection module 13 specifically for, when the band that described IQ data detected when described main control module 11 is wider than the first pre-set threshold value, from described IQ data, select data cached; When the bandwidth that described IQ data detected when described main control module is less than or equal to the first pre-set threshold value, from described IQ data, do not select data cached,
Wherein, described the first pre-set threshold value is more than or equal to described the second pre-set threshold value
Like this, when data traffic surpasses very greatly certain value, select part IQ data to carry out buffer memory and can control the data flows, avoid that flow is excessive causes loss of data.
In the present embodiment, the first pre-set threshold value, the second pre-set threshold value can set in advance, and can change according to different application scenarioss, in addition, the first pre-set threshold value, the second pre-set threshold value, for explaining the convenient division of carrying out, do not form the restriction to the present embodiment.
Optional in the present embodiment, data selection module 14 specifically for, from the IQ data of obtaining, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached.
For example, data selection module 14 from the RRU of numerous transmission IQ data, to choose specific RRU(be target RRU) the IQ data of transmission store.
Optional in the present embodiment, data selection module 14 specifically for, from stating IQ data of obtaining, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached.
Wherein, subscriber equipment can be intelligent terminal etc.For example, the IQ data that data selection module 14 is chosen specific intelligent terminal (being target UE) transmission from the intelligent terminal of numerous transmission IQ data are stored.
Optional in the present embodiment, data selection module 14 specifically for, from the IQ data of obtaining, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
For example, data selection module 14, from the antenna of numerous transmission IQ data, is chosen the IQ data of specific antenna (being target antenna) transmission and is stored.
In the present embodiment, data transmission module 14, when encapsulating, can carry out transport layer protocol encapsulation, network layer protocol encapsulation and data link layer protocol encapsulation.Like this, IQ data are encapsulated and can avoid occurring in transmitting procedure data error code or loss of data.
In the present embodiment, alternatively, as shown in Figure 3, device also comprises:
Clock module 16, for providing clock to Switching Module 12, data selection module 13, data transmission module 14, main control module 11.
In the present embodiment, optional, main control module 11 specifically for, when the bandwidth that detects the IQ data that described Switching Module 12 obtains is less than the second pre-set threshold value, triggers described data transmission module 14 and send reading command to memory module 15.
Memory module 15 also for, receive the data cached of the backward exchanges data of reading command 12 modules transmission self storage.
Herein, self storage data cached is data cached that data selection module 13 selects.
In the present embodiment, alternatively, as shown in Figure 3, memory module 15 comprises:
Memory cell 152, for storing data.
Storage control unit 151, reads or writes described data cached for control store unit 152.
In the present embodiment, memory cell 152 can be multi storage, for example, and floppy disk, hard disk, flash memory etc.
In the present embodiment, memory module 15 can also can be used as single equipment and be independent of other modules with other module integrations in same equipment, and the present embodiment does not limit.
In the present embodiment, alternatively, data transmission module 14 specifically for, described data cached to memory module 15 transmission by a plurality of high speed data links.
Like this, can improve message transmission rate, reduce fast the load of data processing module 13.
In the present embodiment, alternatively, data transmission module 14 transmits the IQ data of data selection module 13 buffer memorys to memory module 15 by Gigabit Ethernet 1000BASE interface.
In the present embodiment, Gigabit Ethernet 1000BASE interface includes but not limited to 1000BASE-T interface, 1000BASE-SX interface.
In the present embodiment, alternatively, Switching Module 12 adopts Rapid IO agreement to realize logical layer protocol, transport layer protocol and physical layer protocol.
Herein, Rapid IO agreement can be parallel Rapid IO agreement or serial Rapid IO agreement.
Wherein, logical layer has defined institute's protocols having and packet format, and transport layer is the necessary information of packet from a terminal to another terminal passageway, and physical layer has been described interface protocol between equipment, for example flow control, electrical characteristics and rudimentary mismanage etc.
In the present embodiment, alternatively, data transmission module 14 adopts the English full name of hardware Verilog HDL(to be: Hardware Description Language) language is realized the English full name of TCP(and is: Transmission Control Protocol, Chinese translation is: the English full name of transmission control protocol)/IP(is: Internet Protocol, Chinese translation is: Internet Interconnection agreement) protocol stack function.
Above-mentioned data processing equipment, obtains IQ data, data cached from the IQ data selection obtaining, and will after described data cached encapsulation, transfer to memory module 15, stores described data cached.Like this, by adjustment IQ data volume, avoid the peak hour and process IQ data, can strengthen the ability of processing IQ data.
Embodiment 2
As shown in Figure 4, the present embodiment provides a kind of cloud base station user data processing method, comprising:
21, obtain IQ data.
22, from the IQ data of obtaining, select data cached.
23, will after described data cached encapsulation, transfer to memory module.
24, store described data cached.
Optional in the present embodiment, described from the IQ data of obtaining, select data cached before, also comprise: the bandwidth that detects the IQ data of obtaining;
Correspondingly, describedly from the IQ data of obtaining, select data cached comprising:
When the band of the IQ data of obtaining described in detecting is wider than the first pre-set threshold value, from the IQ data of obtaining, select data cached; When the bandwidth of the IQ data of obtaining being detected and be less than or equal to the first pre-set threshold value, from described IQ data, do not select data cached.
When the bandwidth of the IQ data of obtaining being detected and be less than the second pre-set threshold value, process the data cached of storage; When measuring the bandwidth of the IQ data of obtaining and be more than or equal to the second pre-set threshold value, do not process the data cached of described memory module storage.
Wherein, described the first pre-set threshold value is more than or equal to described the second pre-set threshold value.
Optional in the present embodiment, describedly from the IQ data of obtaining, select data cached comprising:
From the IQ data of obtaining, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached;
Or, describedly from the IQ data of obtaining, select data cached comprising:
From the IQ data of obtaining, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached;
Or, describedly from the IQ data of obtaining, select data cached comprising:
From the IQ data of obtaining, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
The cloud base station user data processing unit that the cloud base station user data processing method that the present embodiment provides can be provided by embodiment is realized, and specific implementation process refers to above-described embodiment 1, does not repeat herein.
Above-mentioned data processing method, obtains IQ data, data cached from the IQ data selection obtaining, and will after described data cached encapsulation, transfer to memory module 15, stores described data cached.Like this, by adjustment IQ data volume, avoid the peak hour and process IQ data, can strengthen the ability of processing IQ data.
Embodiment 3
The IQ data that with cloud base station data processing unit, BBU equipment 1, BBU equipment 2 and BBU equipment 3 sent in the present embodiment are processed, it is example that memory module 15 is positioned at data processing equipment, and the data processing equipment that describes the present embodiment in detail is processed the flow process of IQ data.Be to be understood that in other embodiments of the invention, data processing equipment can also receive the IQ data of the BBU transmission of other quantity simultaneously, and memory module 15 also can be positioned at other equipment.
As shown in Figure 5, the method that the data processing equipment of the embodiment of the present invention is realized IQ data buffer storage comprises:
41, data exchange module 12 receives the IQ data that at least one BBU equipment sends.
As shown in Figure 3, whole system works on power, and data exchange module 12 can receive the IQ data that BBU equipment 1, BBU equipment 2 and BBU equipment 3 send simultaneously.
The bandwidth of the IQ data that 42, main control module 11 Monitoring Data Switching Modules 12 receive.
When 43, main control module 11 monitors IQ data bandwidth for example, over the first pre-set threshold value threshold value (20Gbit/s), main control module 11 transmits control signal to data selection module 13.
44, data selection module 13 receives after the control signal of main control module 11, selects part IQ data to carry out buffer memory.
For example, data selection module 13 is carried out caching process by the IQ data of BBU equipment 3, to reduce the load of switch 12.
45, data selection module 13 exports the IQ data of carrying out buffer memory to data transmission module 14, and data transmission module 14 encapsulates the IQ data of input.
Particularly, data transmission module 14 can carry out the IQ data of input transport layer protocol encapsulation, network layer protocol encapsulation and data link layer protocol encapsulation.
46, data transmission module 14 is sent to memory module 15 by packaged IQ Frame by network interface.
47, memory module 15 receives IQ data, and deposits IQ data in memory cell 152 under the control of storage control unit 151.
So far complete the buffer memory of IQ data.
As shown in Figure 6, the method for the IQ data of the data processing equipment of embodiment of the present invention processing buffer memory comprises:
51, main control module 11 continues the IQ data bandwidth of monitoring Switching Module 12.
For example, when 52, the IQ data in main control module 11 detects Switching Module 12 are less than the second predetermined threshold value (10Gbit/s), main control module 11 sends the control command that reads IQ data to data transmission module 14.
53, data transmission module 14 sends to memory module 15 Frame that contains this reading order under the control of main control module 11, and this Frame is sent to memory module 15 by network interface.
54, after memory module 15 reading orders, under the control of storage control unit 152, IQ data are read from memory cell 152.
55, memory module 15 is passed through network interface data transmission module 14 by IQ data.
56,14 pairs of packets that receive of data transmission module are separated frame, obtain IQ data.
Particularly, data transmission module 14 carries out data link layer protocol parsing, and the parsing of network layer protocol parsing and transport layer protocol, obtains IQ data.
57, the IQ data that data transmission module 14 obtains solution frame are given Switching Module 12 and are exchanged processing.
So far the IQ data of processing buffer memory complete.
In the present embodiment, above-mentioned the first pre-set threshold value, the second pre-set threshold value can be determined voluntarily according to the data volume size in actual environment, data transmission module 14 can be used as independently IP kernel, and in application, can be divided into the multiplexing that a plurality of modules realize data, the network interface between data processing equipment and host stores system can adopt optical fiber or network cable.Host stores system is furnished with kilomega optic fiber network interface card and the common network interface card of gigabit, and has jumbo memory cell.
In the present embodiment, when the band of the IQ data of reception being detected and be wider than the first pre-set threshold value, from the IQ data that receive, select part IQ data to carry out buffer memory, when the bandwidth of the IQ data of reception being detected and be less than the second pre-set threshold value, continue to process the IQ data of buffer memory, like this, by adjustment IQ data volume, avoid the peak hour and process IQ data, thereby can strengthen the IQ data-handling capacity of receiving terminal, reduce data degradation.
Embodiment 4
As shown in Figure 7, the present embodiment provides a kind of cloud base station user data treatment system, comprises cloud base station user data processing unit 71 and DEU data exchange unit 72;
DEU data exchange unit 72 connects at least one RRU and at least one BBU, for setting up the communication connection between described at least one RRU and described at least one BBU, and to described cloud base station user data processing unit 71, provide the IQ data of transmitting between described at least one RRU and described at least one BBU;
The cloud base station user data processing unit of cloud base station user data processing unit 71 for providing as above-mentioned arbitrary embodiment.
The cloud base station user data processing unit 71 of the present embodiment can be affiliated to the seamless access of realizing in one or more DEU data exchange unit 72 with DEU data exchange unit 72, thereby embeds existing communication system.
Cloud base station user data processing unit 71 built-in data transmission modules, have the function of high speed transmitting IQ data, and this module can realize multimode exampleization, realizes the high speed transmitting of multichannel data.
Cloud base station user data processing unit 71 in the present embodiment has transfer of data, data selection, data storage function, can realize the seamless access with DEU data exchange unit 72, the data of transparent transmission DEU data exchange unit 72 transmitting-receivings and do not affect the normal work of DEU data exchange unit.
The DEU data exchange unit 72 of the present embodiment can be switch etc.
Fig. 8 a is completely schematic diagram of a kind of communication that comprises DEU data exchange unit 72, and as shown in Figure 8 a, DEU data exchange unit 72 connects BBU base station and troops and a plurality of RRU.Be to be understood that Fig. 8 a is only exemplary illustration, can also adopt other networking modes in other embodiment, the present embodiment does not limit concrete networking mode.
Fig. 8 b is a kind of schematic diagram that cloud base station user data processing unit 71 is embedded to communication system shown in Fig. 8 a, in system shown in Fig. 8 b, troop and a plurality of RRU in DEU data exchange unit 72 connection BBU base stations, the data of transmission DEU data exchange unit 72 transmitting-receivings that user data processing unit 71 connection data switches 72 in cloud base station are transparent or the data of receiving and dispatching from data processing equipment 71, obtain the data that need storage, and do not affect the normal work of DEU data exchange unit.
Above-mentioned data handling system, obtains IQ data, data cached from the IQ data selection obtaining, and will after described data cached encapsulation, transfer to memory module 15, stores described data cached.Like this, by adjustment IQ data volume, avoid the peak hour and process IQ data, can strengthen the ability of processing IQ data.In addition, the data handling system of the present embodiment, cloud base station data processing unit and DEU data exchange unit seamless access, the data that the transmission DEU data exchange unit that cloud base station data processing unit is transparent is received and dispatched and the normal work that does not affect DEU data exchange unit.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, the identical similar part of each embodiment mutually referring to, each embodiment stresses is the difference with other embodiment.Unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, common hardware comprises universal integrated circuit, universal cpu, general-purpose storage, universal elements etc., can certainly comprise that application-specific integrated circuit (ASIC), dedicated cpu, private memory, special-purpose components and parts etc. realize by specialized hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method for each embodiment of the present invention.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a cloud base station user data processing unit, is characterized in that, comprising:
Switching Module, for obtaining user IQ data;
Data selection module, for selecting data cached from described IQ data;
Data transmission module, for transferring to memory module after described data cached encapsulation;
Described memory module, described data cached for storing.
2. device according to claim 1, is characterized in that, also comprises:
Main control module, for detection of the bandwidth of described IQ data, and processes described IQ data;
Correspondingly, described data selection module specifically for, when the band that described IQ data detected when described main control module is wider than the first pre-set threshold value, from described IQ data, select data cached; When the bandwidth that described IQ data detected when described main control module is less than or equal to the first pre-set threshold value, from described IQ data, do not select data cached;
Described main control module also for, when measuring the bandwidth of described IQ data and be less than the second pre-set threshold value, process the data cached of described memory module storage; When measuring the bandwidth of described IQ data and be more than or equal to the second pre-set threshold value, do not process the data cached of described memory module storage;
Wherein, described the first pre-set threshold value is more than or equal to described the second pre-set threshold value.
3. install according to claim 1, it is characterized in that,
Described data selection module specifically for, from described IQ data, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached;
Or, described data selection module specifically for, from described IQ data, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached;
Or, described data selection module specifically for, from described IQ data, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
4. device according to claim 2, its spy is just, described main control module specifically for, when the bandwidth that detects described IQ data is less than the second pre-set threshold value, triggers described data transmission module and send reading command to described memory module;
Described memory module also for, receive the data cached of the backward described data exchange module transmission of reading command self storage.
5. device according to claim 1, is characterized in that, described memory module comprises:
Memory cell, for storing data;
Described storage control unit, reads or writes described data cached for controlling described memory cell.
6. device according to claim 1, is characterized in that, described data transmission module specifically for, described data cached to the transmission of described memory module by a plurality of high speed data links.
7. a cloud base station user data processing method, is characterized in that, comprising:
Obtain IQ data;
From described IQ data, select data cached;
To after described data cached encapsulation, transfer to memory module;
Store described data cached.
8. method according to claim 7, is characterized in that, described from described IQ data, select data cached before, also comprise:
Detect the bandwidth of described IQ data;
Correspondingly, describedly from described IQ data, select data cached comprising:
When the band of described IQ data being detected and be wider than the first pre-set threshold value, from described IQ data, select data cached; When the bandwidth of described IQ data being detected and be less than or equal to the first pre-set threshold value, from described IQ data, do not select data cached;
When the bandwidth of described IQ data being detected and be less than the second pre-set threshold value, process the data cached of storage; When measuring the bandwidth of described IQ data and be more than or equal to the second pre-set threshold value, do not process the data cached of described memory module storage;
Wherein, described the first pre-set threshold value is more than or equal to described the second pre-set threshold value.
9. method according to claim 8, is characterized in that, describedly from described IQ data, selects data cached comprising:
From described IQ data, choose the data that are derived from target RRU, using the data that are derived from target RRU as described data cached;
Or, describedly from described IQ data, select data cached comprising:
From described IQ data, choose the data that are derived from target UE, using the data that are derived from target UE as described data cached;
Or, describedly from described IQ data, select data cached comprising:
From described IQ data, choose the data that are derived from target antenna, using the data that are derived from target antenna as described data cached.
10. a cloud base station user data treatment system, is characterized in that, comprises cloud base station user data processing unit and DEU data exchange unit;
Described cloud base station user data processing unit is the cloud base station user data processing unit as described in any one in the claims 1 to 6;
Described DEU data exchange unit connects at least one RRU and at least one BBU, for setting up the communication connection between described at least one RRU and described at least one BBU, and to described cloud base station user data processing unit, provide the IQ data of transmitting between described at least one RRU and described at least one BBU.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103701717B (en) | 2017-09-29 |
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