CN103313432B - The methods, devices and systems of IR interface release RRU resource - Google Patents
The methods, devices and systems of IR interface release RRU resource Download PDFInfo
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- CN103313432B CN103313432B CN201210278678.7A CN201210278678A CN103313432B CN 103313432 B CN103313432 B CN 103313432B CN 201210278678 A CN201210278678 A CN 201210278678A CN 103313432 B CN103313432 B CN 103313432B
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Abstract
Present invention is disclosed the methods, devices and systems of a kind of IR interface release RRU resource, the method includes: baseband processing unit BBU transmission Resource Release Request message to radio frequency remoto module RRU；Described Resource Release Request message carries the wireless standard needing release；RRU discharges the resource of described wireless standard according to described Resource Release Request message.The methods, devices and systems of a kind of IR interface release RRU resource that the present invention proposes, it is provided that a kind of method of simple release RRU resource, i.e. extend existing IR rower agreement, increase IR Resource Release Request message.
Description
Technical field
The present invention relates to the communications field, particularly relate to the methods, devices and systems of a kind of IR interface release RRU resource.
Background technology
At present, along with TDD(Time Division Duplexing, time division duplex) LTE(Long Term
Evolution, Long Term Evolution) standard and TD-SCDMA(Time Division-Synchronous Code Division
Multiple Access, TD SDMA) planning of standard radio band resource, occur in that support TDD LTE simultaneously
The bimodulus RRU(Radio Remote Unit of standard and TD-SCDMA standard, radio frequency remoto module).Bimodulus RRU has multiple shape
Formula, or support multiple frequency range, different frequency range supports different wireless standards, or supports a frequency range, and this frequency range can
Both to support that TDD LTE standard also supports TS-SCDMA standard, and this frequency range is also likely to be wideband frequency range, LTE carrier wave and TD-
SCDMA carrier wave can exist simultaneously, or the combination of above-mentioned two situations.
Therefore, a RRU may be simultaneously present TDD LTE standard and the load of two kinds of wireless standards of TD-SCDMA standard
Ripple.In this case, when BBU(Base Band Unite, baseband processing unit) certain standard controlled entity of side detects appearance
Extremely need to discharge this standard resource, or certain standard controlled entity of BBU side resets and restarts and need to discharge this standard money
During source, it is impossible to the simple whole RRU that resets, but should individually discharge the resource that on RRU, this standard takies, such as carrier wave, I
(In-phase, phase component) Q(Quadrate, 90 degree of phase shift component) data channel resource, local resource.
According to existing IR(Open Interface between the RRU and the BBU, open BBU with
The interface of RRU) in rower agreement, above-mentioned purpose to be reached, need, by RRU parameter configuration message, the most heavily to join I/Q data passage
Resource, deletes the I/Q data channel resource that this standard takies, but retains the I/Q data channel resource that other standard takies, Yi Jiyi
Combination to multiple Cell Configuration message (community deletion) reaches above-mentioned purpose, when establishing this wireless standard multiple on RRU
During carrier wave, construct above-mentioned message groups and close, it is achieved be complex.
Summary of the invention
The main object of the present invention is for providing the methods, devices and systems of a kind of IR interface release RRU resource, it is provided that a kind of
The simple method discharging RRU resource, i.e. extends existing IR rower agreement, increases IR Resource Release Request message.
The present invention proposes the method for a kind of IR interface release RRU resource, including step:
Baseband processing unit BBU sends Resource Release Request message to radio frequency remoto module RRU；Described resource release request
Message carries the wireless standard needing release；
RRU discharges the resource of described wireless standard according to described Resource Release Request message.
Preferably, after performing the described RRU resource according to the Resource Release Request message wireless standard of release, also include:
Described BBU receives the resource release feedback message that described RRU sends.
Preferably, described method also includes:
When described BBU does not receives the resource release feedback message that described RRU sends, re-transmission resource releasing request message is straight
To preset sending times or receive described resource release feedback message.
Preferably, the resource that described RRU discharges wireless standard according to Resource Release Request message includes:
RRU travels through all communities of described wireless standard, obtains the carrier wave in each community；
I/Q data channel resource under each carrier wave in discharging each community successively；
Discharge the carrier wave in each community successively；
Delete each community.
The present invention also proposes a kind of baseband processing unit, including:
BBU release module, for when needing the resource discharging a certain wireless standard on radio frequency remoto module RRU, discharges
The resource of described wireless standard in local terminal；
Request module, for sending Resource Release Request message to described RRU, described Resource Release Request message carries institute
State wireless standard, discharge the resource of described wireless standard for described RRU.
Preferably, described baseband processing unit also includes:
Receiver module, for receiving the resource release feedback message that described RRU sends.
Preferably, described request module is additionally operable to, when not receiving the resource release feedback message that described RRU sends, retransmit
Resource Release Request message is until the sending times preset or receives described resource release feedback message.
The present invention also proposes a kind of radio frequency remoto module, including:
Receiver module, for receiving the Resource Release Request message that baseband processing unit BBU sends；
RRU release module, for discharging the resource of described wireless standard according to described Resource Release Request message.
Preferably, described radio frequency remoto module also includes:
Sending module, is used for sending resource release feedback message extremely described BBU.
Preferably, described RRU release module specifically for:
Traversal Unit, for traveling through all communities of described wireless standard, obtains the carrier wave in each community；
Release I/Q data channel resource unit, for the I/Q data passage money discharged successively in each community under each carrier wave
Source；
Release carrier units, for discharging the carrier wave in each community successively；
Delete cell unit, be used for deleting each community.
The present invention also proposes the system of a kind of IR interface release RRU resource, including baseband processing unit BBU and remote radio
Module RRU, described BBU includes:
BBU release module, for when needing the resource discharging a certain wireless standard on radio frequency remoto module RRU, discharges
The resource of described wireless standard in local terminal；
Request module, for sending Resource Release Request message to described RRU, described Resource Release Request message carries institute
State wireless standard, discharge the resource of described wireless standard for described RRU.
Preferably, described baseband processing unit also includes:
Receiver module, for receiving the resource release feedback message that described RRU sends.
Preferably, described request module is additionally operable to, when not receiving the resource release feedback message that described RRU sends, retransmit
Resource Release Request message is until the sending times preset or receives described resource release feedback message.
Described RRU includes:
Receiver module, for receiving the Resource Release Request message that baseband processing unit BBU sends；
RRU release module, for discharging the resource of described wireless standard according to described Resource Release Request message.
Preferably, described radio frequency remoto module also includes:
Sending module, is used for sending resource release feedback message extremely described BBU.
Preferably, described RRU release module specifically for:
Traversal Unit, for traveling through all communities of described wireless standard, obtains the carrier wave in each community；
Release I/Q data channel resource unit, for the I/Q data passage money discharged successively in each community under each carrier wave
Source；
Release carrier units, for discharging the carrier wave in each community successively；
Delete cell unit, be used for deleting each community.
The methods, devices and systems of a kind of IR interface release RRU resource that the present invention provides, can simply discharge RRU money
Source, i.e. extends existing IR rower agreement, increases IR resource release message.When BBU side, certain standard controlled entity detects appearance
Abnormal, or when the reset of certain standard controlled entity of BBU side is restarted and needed to discharge this standard resource, one can be constructed easily
Bar IR resource release message, discharges the resource that on RRU, this wireless standard takies.
Accompanying drawing explanation
Fig. 1 is the signalling diagram of method one embodiment of IR interface of the present invention release RRU resource；
Fig. 2 be IR interface of the present invention release RRU resource method one embodiment in the schematic flow sheet of an embodiment；
Fig. 3 be IR interface of the present invention release RRU resource method one embodiment in former BBU and RRU under an embodiment
Resource distribution schematic diagram；
Fig. 4 be IR interface of the present invention release RRU resource method one embodiment in the money of BBU and RRU after an embodiment
Source distribution schematic diagram；
Fig. 5 is the signalling diagram of the method one another embodiment of embodiment of IR interface of the present invention release RRU resource；
Fig. 6 is the schematic flow sheet of the method one another embodiment of embodiment of IR interface of the present invention release RRU resource；
Fig. 7 be IR interface of the present invention release RRU resource the method one another embodiment of embodiment after the money of BBU and RRU
Source distribution schematic diagram；
Fig. 8 is the structural representation of baseband processing unit one embodiment of the present invention；
Fig. 9 is the structural representation of radio frequency remoto module one embodiment of the present invention；
Figure 10 is the structural representation of RRU release module in radio frequency remoto module one embodiment of the present invention；
Figure 11 is the structural representation of system one embodiment of IR interface of the present invention release RRU resource.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Fig. 2, method one embodiment of IR interface of the present invention release RRU resource is proposed,
Fig. 3 is under normal circumstances, the example of resource allocation conditions on BBU and RRU.The present embodiment includes two kinds of preferred realities
Executing mode, be not limited only to above two preferred implementation in actual applications, other those skilled in the art are admissible
Embodiment is equally applicable:
Mode one: without confirming IR Resource Release Request message, process step as follows:
BBU is wireless, and standard controlled entity such as TD-SCDMA standard controlled entity detects that appearance is abnormal, decision-making release RRU
On the TD-SCDMA resource that existed；Or BBU TD-SCDMA standard controlled entity resets and restarts, need to discharge on RRU
TD-SCDMA standard resource through existing, then trigger RRU resource release flow.
S10, BBU TD-SCDMA standard controlled entity release BBU side TD-SCDMA resource, including community, UE and they
The transmission that takies, I/Q data channel resource.
S11, BBU TD-SCDMA standard controlled entity passes through Resource Release Request message such as IR Resource Release
Request message, sends resource release request to RRU, and carries wireless standard TD-SCDMA needing to discharge resource, and resource is released
Put request message format to see but be not limited only to table 1, table 2.
Table 1 IR RESOURCE RELEASE REQUEST message body
| IR RESOURCE RELEASE REQUEST IE |
Table 2 IR RESOURCE RELEASE REQUEST IE
S12, RRU receive Resource Release Request message, according to the wireless standard in message, the institute of traversal TD-SCDMA standard
There is community, gathered that { community 1, community 2} to community 1, perform following two action: 1, all loads under traversal community 1
Ripple, is gathered that { carrier wave 1, carrier wave 2}, to each carrier wave, discharge the I/Q data channel resource that this carrier wave is used, and discharge should
Carrier wave；2, community 1 is deleted；To community 2, perform following two action: 1, travel through all carrier waves under community 2, gathered and { carry
Ripple 3}, to carrier wave 3, the I/Q data channel resource that release carrier wave 3 is used, and discharges carrier wave 3；2, community 2 is deleted；.Work as community
1, community 2 has been deleted, and flow process terminates, and on the upper controlled entity of BBU and RRU, resource allocation conditions is shown in Fig. 4.
Mode two: as shown in Figure 5, Figure 6, for there being confirmation IR Resource Release Request message, processes step as follows:
BBU TDD LTE standard controlled entity detects that appearance is abnormal, the TDD LTE that decision-making release RRU has existed
Resource；Or BBU TDD LTE standard controlled entity resets and restarts, need to discharge the TDD LTE standard money existed on RRU
Source, flow process starts.
S20, BBU TDD LTE standard controlled entity release BBU side this wireless standard resource, including community, UE and it
Take transmission, I/Q data channel resource.
S21, BBU TDD LTE standard controlled entity puts sending times equal to 0.
S22, BBUTDD LTE standard controlled entity passes through Resource Release Request message such as IR Resource Release
Request message, sends resource release request to RRU, and carries the wireless standard TDD LTE standard needing to discharge resource, and
Arranging intervalometer, sending times adds 1.The form reference Tables 1 and 2 of Resource Release Request message,
S23, RRU receive resource release request, according to the wireless standard in message, travel through all little of TDD LTE standard
District, is gathered that { community 10} to community 10, performs following two action: 1, travel through all carrier waves under this community, collected
{ carrier wave 10}, to carrier wave 10, discharges the I/Q data channel resource that this carrier wave is used, and discharges this carrier wave in conjunction；2, community is deleted
10。
S24, RRU return resource release feedback message such as IR Resource Release Response message, if resource
Discharge successfully, carry resource release result success, otherwise carry failure cause.Resource release feedback message form see but not
It is only limitted to table 3, table 4.
Table 3 IR RESOURCE RELEASE RESPONSE message body
| IR RESOURCE RELEASE RESPONSE IE |
Table 4 IR RESOURCE RELEASE RESPONSE IE
S25, BBU TDD LTE standard controlled entity receives IR Resource Release Response message, kills
Intervalometer, flow process terminates；Or timer expiry, if the sending times that sending times is preset more than, terminates；Otherwise redirect
Continue executing with to step S22.After the present embodiment completes, on the upper controlled entity of BBU and RRU, resource allocation conditions is shown in Fig. 7.
Present embodiments provide a kind of method that can simply discharge RRU resource, i.e. extend existing IR rower agreement, increase
IR resource release message.When certain standard detects that appearance is abnormal, or certain standard controlled entity of BBU100 side resets and restarts
When needing to discharge this standard resource, an IR resource release message can be constructed easily, discharge this wireless standard on RRU and account for
Resource.
With reference to Fig. 8, baseband processing unit BBU100 mono-embodiment of the present invention is proposed, including:
BBU release module 10, for when needing the resource discharging a certain wireless standard on RRU, described in release local terminal
The resource of wireless standard；
Request module 11, for sending Resource Release Request message to described RRU, described Resource Release Request message carries
Described wireless standard, discharges the resource of described wireless standard for described RRU.
Receiver module 12, for receiving the resource release feedback message that described RRU sends.
The present embodiment illustrates as a example by TDD LTE standard, and BBU100 TDD LTE standard controlled entity detects out
Now abnormal, that decision-making release RRU has existed TDD LTE resource；Or BBU100 TDD LTE standard controlled entity resets
Restarting, when needing to discharge this wireless standard resource existed on RRU, BBU release module 10 discharges this wireless system of BBU100
Formula resource, including community, UE and they take transmission, I/Q data channel resource.
When confirming without RRU, request module 11 is by Resource Release Request message such as IR Resource Release
Request message, sends resource release request to RRU, and carries the wireless standard TDD LTE needing to discharge resource, and resource is released
Put request message format to see but be not limited only to table 1, table 2.RRU receives Resource Release Request message, wireless according in message
Standard, all communities of traversal TDD LTE standard, gather community 10}, to community 10, execution following two action: 1,
Travel through all carrier waves under this community, gathered that { carrier wave 10}, to carrier wave 10, discharges the I/Q data passage that this carrier wave is used
Resource, and discharge this carrier wave；2, community 10 is deleted.
When need RRU confirm time, request module 11 puts sending times equal to 0, and by Resource Release Request message such as IR
Resource Release Request message, sends resource release request to RRU, and the nothing needing to discharge resource is carried in this request
Line standard TDD LTE standard, and intervalometer is set, sending times adds 1.The form of Resource Release Request message with reference to but not only limit
In Tables 1 and 2.RRU receives resource release request, according to the wireless standard in message, travels through all little of TDD LTE standard
District, is gathered that { community 10} to community 10, performs following two action: 1, travel through all carrier waves under this community, collected
{ carrier wave 10}, to carrier wave 10, discharges the I/Q data channel resource that this carrier wave is used, and discharges this carrier wave in conjunction；2, community is deleted
10。
Receiver module 12 receives the resource release feedback message such as IR Resource Release Response that RRU returns
Message, if resource discharges successfully, carries resource release result success, otherwise carries failure cause.Resource release feedback message
Form sees but is not limited only to table 3, table 4.
Receiver module 12 receives IR Resource Release Response message, kills intervalometer；Or intervalometer
Time-out, if the sending times that the sending times of request module 11 is preset more than, terminates；Otherwise continue the request of retransmitting to RRU.
Present embodiments provide a kind of BBU100, can simply discharge RRU resource, i.e. extend existing IR rower agreement, increase
Add IR resource release message.When certain standard detects that appearance is abnormal, or certain standard controlled entity of BBU100 side resets heavy
Open when needing to discharge this standard resource, an IR resource release message can be constructed easily, discharge this wireless standard on RRU
The resource taken.
With reference to Fig. 9, radio frequency remoto module RRU200 mono-embodiment of the present invention is proposed, including:
Receiver module 20, for receiving the Resource Release Request message that BBU sends；
RRU release module 21, for discharging the resource of described wireless standard according to described Resource Release Request message.
Sending module 22, is used for sending resource release feedback message extremely described BBU.
With reference to Figure 10, RRU release module 21 specifically for:
Traversal Unit 211, for traveling through all communities of described wireless standard, obtains the carrier wave in each community；
Release I/Q data channel resource unit 212, leads to for the I/Q data discharged successively in each community under each carrier wave
Road resource；
Release carrier units 213, for discharging the carrier wave in each community successively；
Delete cell unit 214, be used for deleting each community.
The present embodiment illustrates as a example by TDD LTE standard, and BBU TDD LTE standard controlled entity detects that appearance is different
Often, TDD LTE resource decision-making release RRU200 existed；Or BBU TDD LTE standard controlled entity resets and restarts,
When needing to discharge this wireless standard resource existed on RRU200, BBU discharges this wireless standard resource of BBU100, including little
District, UE and they take transmission, I/Q data channel resource.
When confirming without RRU200, BBU passes through Resource Release Request message such as IR Resource Release
Request message, sends resource release request to RRU200, and carries the wireless standard TDD LTE needing to discharge resource, resource
Releasing request message format sees but is not limited only to table 1, table 2.Receiver module 20 receives Resource Release Request message, according to message
In wireless standard, RRU release module 21 travels through all communities of TDD LTE standard, is gathered that { community 10}, to community
10, perform following action: all carrier waves under 1, Traversal Unit 211 travels through this community, gathered that { carrier wave 10}, to carrier wave
10, release I/Q data channel resource unit 212 discharges the I/Q data channel resource that this carrier wave is used, and discharges carrier units 213
Discharge this carrier wave；2, delete cell unit 214 and delete community 10 again.
When needs RRU200 confirms, BBU puts sending times and is equal to 0, and by Resource Release Request message such as IR
Resource Release Request message, sends resource release request to RRU200, and this request is carried to be needed to discharge resource
Wireless standard TDD LTE standard, and intervalometer is set, sending times adds 1.The form of Resource Release Request message with reference to but not
It is only limitted to Tables 1 and 2.Receiver module 20 receives resource release request, according to the wireless standard in message, travels through TDD LTE system
All communities of formula, are gathered that { community 10}, to community 10, RRU release module 21 performs following action: 1, Traversal Unit
211 travel through all carrier waves under these communities, gathers that { carrier wave 10}, to carrier wave 10, release I/Q data channel resource unit 212
Discharging the I/Q data channel resource that this carrier wave is used, release carrier units 213 discharges this carrier wave；2, cell unit 214 is deleted
Delete community 10 again.
Sending module 22 returns resource release feedback message such as IR Resource Release Response message extremely
BBU, if resource discharges successfully, carries resource release result success, otherwise carries failure cause.The lattice of resource release feedback message
Formula sees but is not limited only to table 3, table 4.
Receiver module 12 receives IR Resource Release Response message, kills intervalometer；Or intervalometer
Time-out, if the sending times that the sending times of request module 11 is preset more than, terminates；Otherwise continue the request of retransmitting to RRU.
Present embodiments provide a kind of RRU200, can simply discharge RRU resource, i.e. extend existing IR rower agreement, increase
Add IR resource release message.When certain standard controlled entity of BBU side detects that appearance is abnormal, or certain standard of BBU side controls
Entity resets is restarted when needing to discharge this standard resource, can construct an IR resource release message easily, discharge
The resource that RRU200 this wireless standard upper takies.
With reference to Figure 11, system one embodiment of IR interface of the present invention release RRU resource is proposed, including BBU100 with
RRU200, the structure of described BBU100 is similar with above-mentioned BBU100 with operation principle, the structure of described RRU200 and operation principle
Similar with above-mentioned RRU200, it is not repeated to describe herein.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization
Equivalent structure or equivalence flow process that description of the invention and accompanying drawing content are made convert, or it is relevant to be directly or indirectly used in other
Technical field, be the most in like manner included in the scope of patent protection of the present invention.
Claims (11)
1. the method for IR interface release RRU resource, it is characterised in that include step:
Baseband processing unit BBU increases information element IE and constructs Resource Release Request message, and sends described resource release request
Message is to radio frequency remoto module RRU；Described Resource Release Request message carries the wireless standard needing release；
RRU discharges the resource of described wireless standard according to described Resource Release Request message.
2. the method for claim 1, it is characterised in that discharge according to Resource Release Request message performing described RRU
After the resource of wireless standard, also include:
Described BBU receives the resource release feedback message that described RRU sends.
3. method as claimed in claim 2, it is characterised in that also include:
When described BBU does not receives the resource release feedback message that described RRU sends, re-transmission resource releasing request message is until pre-
If sending times or receive described resource release feedback message.
4. method as claimed any one in claims 1 to 3, it is characterised in that described RRU is according to Resource Release Request message
The resource discharging wireless standard includes:
RRU travels through all communities of described wireless standard, obtains the carrier wave in each community；
I/Q data channel resource under each carrier wave in discharging each community successively；
Discharge the carrier wave in each community successively；
Delete each community.
5. a baseband processing unit, it is characterised in that including:
BBU release module, for when needing the resource discharging a certain wireless standard on radio frequency remoto module RRU, discharges local terminal
The resource of interior described wireless standard；
Request module, is used for increasing information element IE and constructs Resource Release Request message, and release to the described resource of described RRU transmission
Putting request message, described Resource Release Request message carries described wireless standard, discharges the money of described wireless standard for described RRU
Source.
6. baseband processing unit as claimed in claim 5, it is characterised in that also include:
Receiver module, for receiving the resource release feedback message that described RRU sends.
7. baseband processing unit as claimed in claim 6, it is characterised in that described request module is additionally operable to not receive described
During the resource release feedback message that RRU sends, re-transmission resource releasing request message is until the sending times preset or receives described
Resource release feedback message.
8. a radio frequency remoto module, it is characterised in that including:
Receiver module, disappears for receiving the resource release request of the increase information element IE structure that baseband processing unit BBU sends
Breath；Described Resource Release Request message carries the wireless standard needing release；
RRU release module, for discharging the resource of wireless standard according to described Resource Release Request message.
9. radio frequency remoto module as claimed in claim 8, it is characterised in that also include:
Sending module, is used for sending resource release feedback message extremely described BBU.
10. as claimed in claim 8 or 9 radio frequency remoto module, it is characterised in that described RRU release module specifically for:
Traversal Unit, for traveling through all communities of described wireless standard, obtains the carrier wave in each community；
Release I/Q data channel resource unit, for the I/Q data channel resource discharged successively in each community under each carrier wave；
Release carrier units, for discharging the carrier wave in each community successively；
Delete cell unit, be used for deleting each community.
The system of 11. 1 kinds of IR interface release RRU resources, it is characterised in that include baseband processing unit BBU and remote radio mould
Block RRU, described BBU are the baseband processing unit according to any one of claim 5 to 7, and described RRU is claim 8 to 10
According to any one of radio frequency remoto module.
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| CN201210278678.7A CN103313432B (en) | 2012-03-08 | 2012-08-07 | The methods, devices and systems of IR interface release RRU resource |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101965070A (en) * | 2009-07-23 | 2011-02-02 | 中兴通讯股份有限公司 | Multimode base station, radio frequency unit and realizing method thereof |
| CN102104903A (en) * | 2009-12-22 | 2011-06-22 | 中兴通讯股份有限公司 | Method and node B for processing cell state |
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| CN101945411B (en) * | 2009-07-10 | 2013-05-29 | 电信科学技术研究院 | Method and device for maintaining LTE base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965070A (en) * | 2009-07-23 | 2011-02-02 | 中兴通讯股份有限公司 | Multimode base station, radio frequency unit and realizing method thereof |
| CN102104903A (en) * | 2009-12-22 | 2011-06-22 | 中兴通讯股份有限公司 | Method and node B for processing cell state |
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