CN103905115B - Method and system for transmitting services between RRU and BBUs, and BBUs - Google Patents
Method and system for transmitting services between RRU and BBUs, and BBUs Download PDFInfo
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- CN103905115B CN103905115B CN201210590239.XA CN201210590239A CN103905115B CN 103905115 B CN103905115 B CN 103905115B CN 201210590239 A CN201210590239 A CN 201210590239A CN 103905115 B CN103905115 B CN 103905115B
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Abstract
The invention discloses a method and system for transmitting services between an RRU and BBUs, and the BBUs, and relates to the technical field of communication. The technical problem that in the prior art, protection is lacking in service transmission between the RRU and the BBUs is solved. The method includes the steps that firstly, the RRU has access to the BBU 1 and the BBU 2; secondly, the BBU 1 detects whether faults happen to a light path 1 between the BBU 1 and the RRU or not in real time, and the BBU 2 detects whether faults happen to a light path 2 between the BBU 2 and the RRU or not in real time, wherein service data are transmitted through the light path 1 between the BBU 1 and the RRU; thirdly, when the BBU 1 detects that faults happen to the light path 1 for transmitting the service data between the BBU 1 and the RRU, the BBU 2 is informed to take over all the service data; fourthly, the BBU 2 starts to use the light path 2 between the BBU 2 and the RRU to transmit the service data to the RRU.
Description
Technical field
The present invention relates to communication technical field, the implementation method of business transmission between more particularly to a kind of RRU and BBU, it is
System and BBU.
Background technology
3G network uses distribution-type base station architecture, i.e. BBU in a large number（Baseband processing unit）+RRU（Radio frequency remoto module）'s
Network construction form, as shown in figure 1, connected using optical fiber between RRU and BBU.One BBU can support one or more RRU.BBU
Between RRU, adopt Optical Fiber Transmission, RRU to be connected to antenna, i.e. trunk by coaxial cable and power splitter (coupler) etc. again and adopt
With optical fiber, branch road adopts coaxial cable, is transmitted by baseband digital signal, can substantially reduce to this cell between BBU and RRU
Interference on other passages, and it is also very flexible for capacity configuration.
But, a this BBU of the prior art supports that the network construction form of multiple RRU has following technical problem：When
When light path between RRU and BBU breaks down, RRU can exit service, cause business transmission carry out, the RRU services
User terminal cannot be communicated.
The content of the invention
Support that, under the network construction form of multiple RRU, the light path between RRU and BBU lacks to solve a BBU in prior art
Few protection is easily caused the technical problem that business data transmission cannot be carried out, and the present invention proposes that business is passed between a kind of RRU and BBU
Defeated implementation method, system and BBU.
The implementation method of business transmission between a kind of RRU and BBU, including：
RRU is respectively connected to BBU1 and BBU2；
The BBU1 and BBU2 light paths 1 respective between RRU of difference real-time detection and light path 2 whether failure, wherein, business number
Transmit according to the light path 1 between BBU1 and RRU is passed through；
When BBU1 is detected transmits 1 failure of light path of business datum between RRU, the BBU2 adapters institute is notified
State business datum；
BBU2 enables the light path 2 between RRU and transmits the business datum to the RRU.
What between a kind of RRU and BBU, business was transmitted realizes system, and including RRU and two BBU, two BBU are respectively
BBU1、BBU2；
The RRU, for being respectively connected to BBU1 and BBU2；
BBU1, for the light path 1 respective between RRU of real-time detection and light path 2 whether failure, wherein, business datum is led to
The light path 1 crossed between BBU1 and RRU is transmitted；When BBU1 detects 1 failure of the light path for transmitting business datum between RRU
When, notify that the BBU2 takes over the business datum；
BBU2, for the light path 1 respective between RRU of real-time detection and light path 2 whether failure, wherein, business datum is led to
The light path 1 crossed between BBU1 and RRU is transmitted；And after the notice for receiving BBU1, the light path 2 enabled between RRU is passed
The business datum is sent to the RRU.
A kind of BBU, including：
Link block, is accessed for RRU and is connected with another BBU foundation；
Fault detection module, for the whether failure of the light path between real-time detection and RRU, business datum is by the light path
Transmission；
Handover module, in the case of being used for transmitting the business datum and RRU between in the light path, if fault detect
Module detects the light path failure, notifies that another BBU takes over the business datum；Or for receiving from institute
The business datum of another BBU when stating the notice of the adapter business datum that another BBU sends, is taken over, and is enabled between RRU
The light path transmit the business datum to the RRU.
The scheme that the present embodiment is provided can belong to RRU on different BBU, realize the Hot Spare of networking and data,
So have the advantage that, when link failure between RRU10 and BBU1 or BBU2, switch step is few, switching time
It is short, service-aware is effectively ensured.Another benefit that double BBU bring is to avoid single BBU node failures, the business brought from hindering entirely.
Multiple RRU and BBU can be constituted looped network, once link failure, can guarantee that RRU10 business is not affected.
Description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used for explaining the present invention together, is not construed as limiting the invention.In the accompanying drawings：
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the distributed networking schematic diagram of BBU and RRU in background technology；
Fig. 2 is that the RRU between the RRU that the embodiment of the present invention 1 is provided and BBU in the implementation method of business transmission is dual-homed
Networking schematic diagram；
Fig. 3 is the schematic flow sheet of the implementation method of business transmission between the RRU that the embodiment of the present invention 1 is provided and BBU；
Fig. 4 is the structural representation of the BBU that the embodiment of the present invention 2 is provided；
Fig. 5 is the structural representation for realizing system of business transmission between the RRU that the embodiment of the present invention 3 is provided and BBU.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.Also, following embodiment is the alternative of the present invention, embodiment
Put in order and the numbering of embodiment is unrelated with the order which preferably is carried out.
Embodiment 1
Networking schematic diagram of the present embodiment with reference to shown in Fig. 2 provides a kind of realization side of business transmission between RRU and BBU
Method.As shown in Fig. 2 wherein, RRU ownership（Connect）To two different BBU, respectively BBU1 and BBU2.BBU1, BBU2 and
Can be connected by optical cable between RRU three.It is light path 1 between RRU and BBU1；It is light path 2 between RRU and BBU2.
After RRU accesses BBU1, BBU1 timings send heartbeat message to RRU, detect whether light path 1 is unimpeded.If BBU1
The heartbeat response message of RRU feedback is not received within the time of regulation, it is determined that 1 failure of light path between BBU1 and RRU；
In the same manner, after RRU2 accesses BBU2, BBU2 timings send heartbeat message to RRU, detect whether light path 2 is unimpeded.If
BBU2 does not receive the heartbeat response message of RRU feedbacks within the time of regulation, it is determined that 2 event of light path between BBU2 and RRU
Barrier.
By above-mentioned heartbeat message, BBU1 and BBU2 can distinguish light path 1 and light path of the real-time detection each between RRU
2 whether failures.In the present embodiment, RRU is dual-homed to realize BBU1 and BBU2 master/slave devices each other to BBU1 and BBU2, works as business
When data are transmitted by the light path 1 between BBU1 and RRU, i.e., when using light path based on light path 1, light path 2 then becomes the standby of light path 1
Light path；Therefore, when BBU1 is detected transmits 1 failure of light path of business datum between RRU, BBU1 can notify that BBU2 takes over
Business datum, realizes active-standby switch.
During active-standby switch, need RRU to configure light path 2 in failure due to existing, then light is switched to from light path 1 again
The step of road 2, thus it is normal for RRU need to carry out secondary configuration, but the time needed in view of secondary configuration is longer, can be right
The communication service data of user is impacted, so the present embodiment employs the technological means of Hot Spare, i.e., as standby light
Road 2 is configured with RRU as being just commonly used to transmit the light path 1 of business datum, in advance and is used as RRU and BBU2 intercommunications
The transmission configuration data of business（That is be configured with the transmission configuration parameter of light path 1 and light path 2 on RRU, the transmission configuration data with it is existing
Have only RRU is configured in technology one for data required during optical port with BBU interworking service data as, such as include veneer
The ID of type, transceiver mode, light path 1 and light path 2, cell configuration parameter）, and the present embodiment is using real-time by heartbeat message
The detection light path 2 whether technological means of failure, also for ensureing that standby light path 2 is unimpeded, is easy to be cut in 1 failure of light path at any time
Change in light path 2.Correspondingly, it is in order to realize Hot Spare, during as primary BBU1 with RRU interworking service data, required
Business datum configuration parameter, there is also a set of identical on as standby BBU2.Concrete business datum configuration parameter with it is existing
In having technology, an independent BBU is identical with business datum configuration parameter required during RRU interworking service data, such as wraps
Include：IP address, antenna parameter, I/Q data passage, cell configuration parameter etc..In the present embodiment, in order to ensure also to deposit on BBU2
In a set of same BBU1 identicals business datum configuration parameter, to be switched to after BBU2, BBU2 can adapter business datum immediately
Transmission work, so adopt following synchronization mechanism：Whether the light path between BBU1 detection BBU1 and BBU2 is unimpeded, and by BBU2
Business configuration parameter synchronization needed for adapter business datum is to BBU2.
Additionally, in order to the business datum for ensureing communication service after switching will not be lost, preferred version is adopted for BBU1 and BBU2
With the clock of same frequency, business datum is transmitted using webmaster clock such as.
As shown in figure 3, there is light path 3 between BBU1 and BBU2.In priority scheme, BBU1 sends heartbeat by light path 3 and disappears
BBU2 detections light path 3 is ceased whether unimpeded, it is ensured that during 1 failure of light path, BBU1 can smoothly pass through light path 3.And in detection
After light path 3 is unimpeded, locally stored business datum configuration parameter is sent to BBU2 by BBU1, and BBU2 stores the business configuration to join
Number, so as to can be according to the business datum of parameter adapter BBU1 immediately.Wherein, the heartbeat detection can without carrying out in real time,
Initial stage after BBU1 is connected with BBU2 carries out the detection of a period of time.
Based on described above, as shown in figure 4, the method includes：
Step 101, RRU are respectively connected to BBU1 and BBU2.
Step 102, the BBU1 and BBU2 light paths 1 respective between RRU of difference real-time detection and light path 2 whether failure, with
This simultaneously, BBU1 is by light path 1 and RRU interactive service datas.
Step 103, BBU1 detect 1 failure of light path for transmitting business datum between RRU, and are notified by light path 3
BBU2 adapter business datums.
Step 104, BBU2 if being not detected by 2 failure of light path, enable light path 2 after receiving and notifying, and by business
The business datum that configuration parameter is indicated is sent to RRU by light path 2.
Step 105, RRU are received after the business datum of light path 2, follow-up by light path 2 and BBU2 interactive service numbers
According to.
The present embodiment mainly proposes network-building method new between a kind of RRU and BBU, and RRU passes through light path 1 and light path 12
With BBU1 and BBU2 composition looped networks, under normal condition, RRU1 sends industry by light path 1 and BBU1 interworking service data, BBU1 sides
Business data, the quality on frontier inspection light-metering road 2, when 1 failure of light path is detected, notify BBU2 using light path 2 and RRU1 interworking services
Data, when solving the light path between RRU and BBU1 and going wrong, cause the business datum between RRU and BBU transmit
Technical problem, it is ensured that business data transmission quality between BBU and RRU, obtain business datum can still be switched to standby light
Transmit on road, do not affect the technique effect of communication service.
In said method provided in an embodiment of the present invention, although give the sequencing for performing each step, but this is suitable
One of the sequence only present invention is preferred embodiment.Obviously, those skilled in the art can be to the method according to said method
The execution sequence of step carries out diversified equivalent transformation, that is to say, that above steps in present invention method or
Part steps can be performed completely in other orders, or while are performed.For example：BBU1 detections light path 1 is performed simultaneously whether
The step of failure and BBU2 detections light path 2 whether failure the step of.Therefore the execution sequence of each step of said method description is simultaneously
A kind of mode being only limitted to provided in embodiment.
Embodiment 2
For the ease of the realization of method in embodiment 1, a kind of BBU is present embodiments provided, as shown in figure 4, including：Connection
Module 21, fault detection module 22, handover module 23.
Link block 21, is accessed for RRU and is connected with another BBU foundation；
Fault detection module 22, for the whether failure of the optical port channel light between real-time detection and RRU, business datum is led to
Cross the transmission of optical port channel light；
Handover module 23, in the case of being used for transmitting the business datum and RRU between in optical port channel light, if therefore
Barrier detection module 22 detects optical port channel light failure, notifies another BBU adapters business datum；Or handover module 23, use
In when the notice of the adapter business datum sent from another BBU is received, the business datum of another BBU is taken over, and is enabled
Optical port channel light between RRU transmits business datum to RRU.
Wherein, handover module 23, specifically for after notice is received, if the optical port being not detected by between RRU is logical
Road light path failure, then open and RRU between optical port channel light, and by business configuration parameter indicate business datum by with
Optical port channel light between RRU is sent to RRU.
Fault detection module 22, sends heartbeat message to RRU specifically for timing, if do not received within the time of regulation
To the heartbeat response message of RRU feedbacks, it is determined that the light path failure between RRU.
Further, the BBU can also include：
Synchronization module 24, it is whether unimpeded for the light path between detection and another BBU, and another BBU adapters business will be made
Business configuration parameter synchronization needed for data is to another BBU.
The BBU that the present embodiment is provided can be used for networking into ring network structure, and for RRU, BBU is " Hot Spare " when BBU is examined
When measuring the light path failure between RRU, the light path 2 that another BBU activation of the present embodiment can be notified to be connected with RRU, due to
The parameter of RRU has configured to can be with another BBU interworking services data, so RRU need not understand its data, directly and should
Another BBU transmission services data, it is ensured that while business datum normal transmission, can make the business being being currently used will not
Interrupt.
The product such as the said equipment provided in an embodiment of the present invention or device is belonging to
Foundation, and consistent mode is corresponded to completely according to each step of method flow in embodiment of the method 1 and/or accompanying drawing, provided
Functional module.And as this functional module is the software service realized by way of computer program, so for
The functional module that device embodiment 2 is not specifically mentioned, it is contemplated that the content according to the record of said method embodiment is sufficient
Enough make each process step that those skilled in the art are recorded from method directly, determine expectedly and realize that step must be built
Vertical functional module, so will not be described here.
Embodiment 3
What the present embodiment provided business transmission between a kind of RRU and BBU realizes system, as shown in figure 5, including RRU10 with
Two BBU, two BBU are respectively BBU1, BBU2；
RRU10, for being respectively connected to BBU1 and BBU2；
BBU1, for the optical port channel light 1 respective between RRU10 of real-time detection and optical port channel light 2 whether therefore
Barrier, wherein, business datum is transmitted by the optical port channel light 1 between BBU1 and RRU；Pass between RRU when BBU1 is detected
When sending optical port 1 failure of channel light of business datum, BBU2 adapter business datums are notified；
BBU2, for the optical port channel light 1 respective between RRU10 of real-time detection and optical port channel light 2 whether therefore
Barrier, wherein, business datum is transmitted by the optical port channel light 1 between BBU1 and RRU；And after the notice for receiving BBU1,
Enable the optical port channel light 2 between RRU10 business datum is transmitted to RRU10.
Specifically, BBU1, is additionally operable to detect whether the light path between BBU1 and BBU2 is unimpeded, and by BBU2 adapter business
Business configuration parameter synchronization needed for data is to BBU2.
BBU2, specifically for including：After notice is received, if the optical port channel light being not detected by between BBU2
2 failures, then open optical port channel light 2, and the business datum that business configuration parameter is indicated sent by optical port channel light 2
To RRU10；
RRU10, it is specifically for receiving after the business datum of optical port channel light 2, follow-up by optical port passage light
Road 2 is interacted with BBU2.
Further, BBU1, sends heartbeat message to RRU10 specifically for timing, if BBU1 is not in the time of regulation
The heartbeat response message of RRU10 feedbacks is received inside, it is determined that 1 failure of optical port channel light between BBU1 and RRU；
BBU2, sends heartbeat message to RRU10 specifically for timing, if BBU2 is not received within the time of regulation
The heartbeat response message of RRU10 feedbacks, it is determined that 2 failure of optical port channel light between BBU2 and RRU10.
The system that the present embodiment is provided can belong to RRU on different BBU, realize the Hot Spare of networking and data,
So have the advantage that, when link failure between RRU10 and BBU1 or BBU2, switch step is few, switching time
It is short, service-aware is effectively ensured.Another benefit that double BBU bring is to avoid single BBU node failures, the business brought from hindering entirely.
Multiple RRU and BBU can be constituted looped network, once link failure, can guarantee that RRU10 business is not affected.
Technical scheme is substantially the shape with software product to the part that prior art contributes in other words
The function that formula is embodied, in other words：Side of each equipment of the device, equipment or composition system of the present invention performed by which
Even if the function body of method or realization is hardware, but actually realize that the part of above-mentioned functions of the present invention is but computer software
The module of product or unit.And the computer software product is storable in the storage medium that can read, such as computer is soft
Disk, hard disk or CD etc., use including some instructions so that an equipment performs the method described in each embodiment of the invention.
The above, specific embodiment only of the invention, but the present invention can have being embodied as various multi-forms
Mode, illustrates to the present invention above in association with accompanying drawing, and this is not meant to the specific embodiment applied by the present invention
Can be confined in these specific specific embodiments, those skilled in the art is it is to be appreciated that concrete reality presented above
The mode of applying is some examples in various preferred embodiments, and the specific embodiment of any embodiment the claims in the present invention is equal
Should be within the scope of the claims in the present invention be claimed；Those skilled in the art can be to each specific embodiment party above
In formula, described technical scheme is modified, or carries out equivalent to which part technical characteristic.It is all the present invention
Within spirit and principle, any modification, equivalent or improvement for being made etc. should be included in the guarantor of the claims in the present invention
Within the scope of shield.
Claims (10)
1. the implementation method that business is transmitted between a kind of RRU and BBU, it is characterised in that include：
RRU is respectively connected to BBU1 and BBU2；
The BBU1 and BBU2 light paths 1 respective between RRU of difference real-time detection and light path 2 whether failure, wherein, business datum is led to
The light path 1 crossed between BBU1 and RRU is transmitted；
When BBU1 is detected transmits 1 failure of light path of business datum between RRU, notify that the BBU2 takes over the industry
Business data；
BBU2 enables the light path 2 between RRU and transmits the business datum to the RRU；
Detect between RRU before 1 failure of the light path of transmission business datum in BBU1, the method also includes：
Whether the light path between BBU1 detection BBU1 and BBU2 is unimpeded, and the business that BBU2 is taken over needed for the business datum is matched somebody with somebody
Parameter synchronization is put to the BBU2.
2. method according to claim 1, it is characterised in that the BBU2 enables the light path transmission institute between the RRU
Business datum is stated to the RRU, is specifically included：
BBU2 is after the notice is received, if being not detected by 2 failure of light path, enables the light path 2, and by the business
The business datum that configuration parameter is indicated is sent to RRU by light path 2；
RRU is received after the business datum of light path 2, follow-up to be interacted with BBU2 by light path 2.
3. method according to claim 1 and 2, it is characterised in that the business configuration parameter includes：IP address, antenna
Parameter, I/Q data passage, cell configuration parameter；The method also includes：The transmission for being configured with light path 1 and light path 2 on the RRU is matched somebody with somebody
Parameter is put, the ID, cell configuration parameter including board type, transceiver mode, light path 1 and light path 2.
4. method as claimed in any of claims 1 to 2, it is characterised in that the BBU1 and BBU2 is adopted
The clock transmission business datum of same frequency.
5. between a kind of RRU and BBU business transmission realize system, it is characterised in that including RRU and two BBU, two BBU
Respectively BBU1, BBU2；
The RRU, for being respectively connected to BBU1 and BBU2；
BBU1, for the light path 1 respective between RRU of real-time detection and light path 2 whether failure, wherein, business datum passes through
Light path 1 between BBU1 and RRU is transmitted；When BBU1 is detected transmits 1 failure of light path of business datum between RRU,
Notify that the BBU2 takes over the business datum；
BBU2, for the light path 1 respective between RRU of real-time detection and light path 2 whether failure, wherein, business datum passes through
Light path 1 between BBU1 and RRU is transmitted；And after the notice for receiving BBU1, the light path 2 enabled between RRU is transmitted
The business datum is to the RRU；
The BBU1, is additionally operable to detect whether the light path between BBU1 and BBU2 is unimpeded, and BBU2 is taken over the business datum
Required business configuration parameter synchronization is to the BBU2.
6. system according to claim 5, it is characterised in that the BBU2, specifically for including：It is described logical receiving
After knowing, if 2 failure of light path being not detected by between BBU2, the light path 2 is opened, and the business configuration parameter is referred to
The business datum shown is sent to the RRU by light path 2；
The RRU, it is specifically for receiving after the business datum of light path 2, follow-up to be interacted with BBU2 by light path 2.
7. the system according to any one in claim 5 to 6, it is characterised in that
The BBU1, sends heartbeat message to the RRU specifically for timing, if BBU1 is not received within the time of regulation
The heartbeat response message of RRU feedbacks, it is determined that 1 failure of light path between BBU1 and RRU；
The BBU2, sends heartbeat message to the RRU specifically for timing, if BBU2 is not received within the time of regulation
The heartbeat response message of RRU feedbacks, it is determined that 2 failure of light path between BBU2 and RRU.
8. a kind of BBU, it is characterised in that include：
Link block, is accessed for RRU and is connected with another BBU foundation；
Fault detection module, for the whether failure of the light path between real-time detection and RRU, business datum is passed by the light path
Send；
Handover module, in the case of being used for transmitting the business datum and RRU between in the light path, if fault detection module
The light path failure is detected, notifies that another BBU takes over the business datum；Or for receiving from described another
The business datum of another BBU during the notice of the adapter business datum that one BBU sends, is taken over, and enables the institute between RRU
State light path the business datum is transmitted to the RRU；
Also include：
Synchronization module, it is whether unimpeded for the light path between detection and another BBU, and another BBU will be made to take over institute
Business configuration parameter synchronization needed for business datum is stated to another BBU.
9. BBU according to claim 8, it is characterised in that the handover module, specifically for receiving the notice
Afterwards, if the light path failure being not detected by between RRU, open the light path and RRU between, and by the business configuration
The business datum that parameter is indicated is sent to RRU by the light path and RRU between.
10. the BBU according to any one in claim 8 to 9, it is characterised in that the fault detection module, it is concrete to use
Heartbeat message is sent to the RRU in timing, if not receiving the heartbeat response message of RRU feedbacks within the time of regulation,
Then determine and the light path failure between RRU.
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| CN201210590239.XA CN103905115B (en) | 2012-12-29 | 2012-12-29 | Method and system for transmitting services between RRU and BBUs, and BBUs |
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| CN201210590239.XA CN103905115B (en) | 2012-12-29 | 2012-12-29 | Method and system for transmitting services between RRU and BBUs, and BBUs |
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| CN103905115B true CN103905115B (en) | 2017-03-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106656336B (en) * | 2016-12-31 | 2019-06-25 | 南京泰通科技股份有限公司 | The active and standby signal processing method of LTE base station LTE Baseband Processing Unit |
| CN106972885B (en) * | 2017-02-24 | 2019-09-27 | 东华大学 | A kind of binary channels Optical Transmission Network OTN channel optimization system based on BBU and RRU |
| CN106953686A (en) * | 2017-02-24 | 2017-07-14 | 东华大学 | A kind of hot backup system based on data flow multiplexing optical transmitter and image intensifer |
| CN110798333B (en) * | 2018-08-03 | 2022-04-01 | 中兴通讯股份有限公司 | Service information configuration method, device, system and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047472A1 (en) * | 2002-11-15 | 2004-06-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station |
| CN101159933A (en) * | 2005-05-19 | 2008-04-09 | 华为技术有限公司 | Split type base station system and networking method and base band unit thereof |
| CN102395133A (en) * | 2011-08-10 | 2012-03-28 | 华为技术有限公司 | Multi-site co-cell network building method, base band unit and radio remote unit and system |
| CN102611492A (en) * | 2011-01-21 | 2012-07-25 | 中兴通讯股份有限公司 | BBU (base band unit), RRU (remote radio unit) and RRU networking method and networking system |
| CN102685782A (en) * | 2011-03-14 | 2012-09-19 | 中国移动通信集团公司 | Distributed type base station system and load balancing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547806B (en) * | 2010-12-10 | 2015-08-19 | 中国移动通信集团广东有限公司 | A kind of distributed base station system and link protection method thereof |
-
2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004047472A1 (en) * | 2002-11-15 | 2004-06-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station |
| CN101159933A (en) * | 2005-05-19 | 2008-04-09 | 华为技术有限公司 | Split type base station system and networking method and base band unit thereof |
| CN102611492A (en) * | 2011-01-21 | 2012-07-25 | 中兴通讯股份有限公司 | BBU (base band unit), RRU (remote radio unit) and RRU networking method and networking system |
| CN102685782A (en) * | 2011-03-14 | 2012-09-19 | 中国移动通信集团公司 | Distributed type base station system and load balancing method thereof |
| CN102395133A (en) * | 2011-08-10 | 2012-03-28 | 华为技术有限公司 | Multi-site co-cell network building method, base band unit and radio remote unit and system |
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