CN103313432A - Method, device and system for IR (Interface between the RRU and the BBU) interface to release RRU (Radio Remote Unit) resource - Google Patents
Method, device and system for IR (Interface between the RRU and the BBU) interface to release RRU (Radio Remote Unit) resource Download PDFInfo
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- CN103313432A CN103313432A CN2012102786787A CN201210278678A CN103313432A CN 103313432 A CN103313432 A CN 103313432A CN 2012102786787 A CN2012102786787 A CN 2012102786787A CN 201210278678 A CN201210278678 A CN 201210278678A CN 103313432 A CN103313432 A CN 103313432A
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Abstract
The invention discloses a method, a device and a system for an IR (Interface between the RRU and the BBU) interface to release RRU (Radio Remote Unit) resources. The method comprises the steps that a BBU (Base Band Unit) transmits a resource release request message to the RRU; the resource release request message carries a wireless type to be released; and the RRU releases resources of the wireless type according to the resource release request message. According to the method, the device and the system for the IR (Interface between the RRU and the BBU) interface to release RRU (Radio Remote Unit) resources provided by the invention, a simple method for releasing RRU resources is provided, namely the existing IR industrial standard protocols are extended and the IR resource release request message is added.
Description
Technical field
The present invention relates to the communications field, relate in particular to the methods, devices and systems that a kind of IR interface discharges the 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, radio frequency remoto module the bimodulus RRU(Radio Remote Unit of TDD LTE standard and TD-SCDMA standard appearred supporting simultaneously).Bimodulus RRU has various ways, or support a plurality of frequency ranges, different frequency range is supported different wireless standards, or support a frequency range, this frequency range can both support TDD LTE standard also to support the TS-SCDMA standard, and this frequency range also may be the wideband frequency range, and LTE carrier wave and TD-SCDMA carrier wave can exist simultaneously, or the combination of above-mentioned two situations.
The carrier wave that therefore, may have simultaneously TDD LTE standard and two kinds of wireless standards of TD-SCDMA standard on RRU.In this case, as BBU(Base Band Unite, baseband processing unit) certain standard controlled entity of side detects and this standard resource occurs unusually needing to discharge, perhaps certain standard controlled entity of BBU side resets and restarts and when need discharging this standard resource, whole RRU can not simply reset, but should discharge separately the resource that upper this standard of RRU takies, for example carrier wave, I(In-phase, phase component) Q(Quadrate, 90 degree phase shift component) data channel resource, local resource.
According to existing IR(Open Interface between the RRU and the BBU, open BBU and the interface of RRU) in the rower agreement, achieve the above object, need by RRU parameter configuration message, it is reprovision IQ data channel resource, delete the IQ data channel resource that this standard takies, but keep the IQ data channel resource that other standard takies, and the combination of one or more cell configuration message (residential quarter deletion) achieves the above object, when having set up a plurality of this wireless standard carrier wave on the RRU, construct above-mentioned message combinations, realize comparatively complicated.
Summary of the invention
Main purpose of the present invention provides a kind of method of simple release RRU resource for a kind of methods, devices and systems of IR interface release RRU resource are provided, i.e. the existing IR rower agreement of expansion increases IR resource release request message.
The present invention proposes the method that a kind of IR interface discharges the RRU resource, comprises step:
Baseband processing unit BBU sends resource release request message to radio frequency remoto module RRU; Described resource release request message is carried the wireless standard that needs release;
RRU discharges the resource of described wireless standard according to described resource release request message.
Preferably, after the described RRU of execution discharges the resource of wireless standard according to resource release request message, also comprise:
Described BBU receives the resource release feedback message that described RRU sends.
Preferably, described method also comprises:
When described BBU did not receive that resource that described RRU sends discharges feedback message, re-transmission resource releasing request message was until default sending times or receive that described resource discharges feedback message.
Preferably, described RRU comprises according to the resource that resource release request message discharges wireless standard:
RRU travels through all residential quarters of described wireless standard, obtains the carrier wave in each residential quarter;
Discharge successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge successively the carrier wave in each residential quarter;
Delete each residential quarter.
The present invention also proposes a kind of baseband processing unit, comprising:
The BBU release module is used for discharging the resource of described wireless standard in the local terminal when needing to discharge the resource of the upper a certain wireless standard of radio frequency remoto module RRU;
Request module is used for sending resource release request message to described RRU, and described resource release request message is carried described wireless standard, discharges the resource of described wireless standard for described RRU.
Preferably, described baseband processing unit also comprises:
Receiver module is used for receiving the resource release feedback message that described RRU sends.
Preferably, the described request module also is used for when not receiving that resource that described RRU sends discharges feedback message, and re-transmission resource releasing request message is until default sending times or receive that described resource discharges feedback message.
The present invention also proposes a kind of radio frequency remoto module, comprising:
Receiver module is used for receiving the resource release request message that baseband processing unit BBU sends;
The RRU release module is for the resource that discharges described wireless standard according to described resource release request message.
Preferably, described radio frequency remoto module also comprises:
Sending module is used for sending resource and discharges feedback message to described BBU.
Preferably, described RRU release module specifically is used for:
The traversal unit, all residential quarters for traveling through described wireless standard obtain the carrier wave in each residential quarter;
Discharge IQ data channel Resource Unit, be used for discharging successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge the carrier wave unit, be used for discharging successively the carrier wave in each residential quarter;
The deletion cell unit is used for each residential quarter of deletion.
The present invention also proposes the system that a kind of IR interface discharges the RRU resource, comprises baseband processing unit BBU and radio frequency remoto module RRU, and described BBU comprises:
The BBU release module is used for discharging the resource of described wireless standard in the local terminal when needing to discharge the resource of the upper a certain wireless standard of radio frequency remoto module RRU;
Request module is used for sending resource release request message to described RRU, and described resource release request message is carried described wireless standard, discharges the resource of described wireless standard for described RRU.
Preferably, described baseband processing unit also comprises:
Receiver module is used for receiving the resource release feedback message that described RRU sends.
Preferably, the described request module also is used for when not receiving that resource that described RRU sends discharges feedback message, and re-transmission resource releasing request message is until default sending times or receive that described resource discharges feedback message.
Described RRU comprises:
Receiver module is used for receiving the resource release request message that baseband processing unit BBU sends;
The RRU release module is for the resource that discharges described wireless standard according to described resource release request message.
Preferably, described radio frequency remoto module also comprises:
Sending module is used for sending resource and discharges feedback message to described BBU.
Preferably, described RRU release module specifically is used for:
The traversal unit, all residential quarters for traveling through described wireless standard obtain the carrier wave in each residential quarter;
Discharge IQ data channel Resource Unit, be used for discharging successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge the carrier wave unit, be used for discharging successively the carrier wave in each residential quarter;
The deletion cell unit is used for each residential quarter of deletion.
A kind of IR interface provided by the invention discharges the methods, devices and systems of RRU resource, can simply discharge the RRU resource, i.e. the existing IR rower agreement of expansion increases the IR resource release message.When detecting, certain standard controlled entity of BBU side occurs unusually, perhaps certain standard controlled entity of BBU side resets and restarts and when need discharging this standard resource, can construct easily an IR resource release message, discharge the resource that upper this wireless standard of RRU takies.
Description of drawings
Fig. 1 is the signalling diagram that IR interface of the present invention discharges method one embodiment of RRU resource;
Fig. 2 is the schematic flow sheet that IR interface of the present invention discharges an execution mode among method one embodiment of RRU resource;
Fig. 3 is that IR interface of the present invention discharges among method one embodiment of RRU resource under the execution mode resource of former BBU and RRU and distributes schematic diagram;
Fig. 4 is that IR interface of the present invention discharges among method one embodiment of RRU resource behind the execution mode resource of BBU and RRU and distributes schematic diagram;
Fig. 5 is the signalling diagram that IR interface of the present invention discharges the another execution mode of method one embodiment of RRU resource;
Fig. 6 is the schematic flow sheet that IR interface of the present invention discharges the another execution mode of method one embodiment of RRU resource;
Fig. 7 is that IR interface of the present invention discharges behind the another execution mode of method one embodiment of RRU resource the resource of BBU and RRU and distributes 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 among radio frequency remoto module one embodiment of the present invention;
Figure 11 is the structural representation that IR interface of the present invention discharges one embodiment of system of RRU resource.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
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 that IR interface of the present invention discharges the RRU resource is proposed,
Fig. 3 is under normal circumstances, the example of the upper resource allocation conditions of BBU and RRU.The present embodiment comprises two kinds of preferred implementations, is not limited only in actual applications above-mentioned two kinds of preferred implementations, and the admissible execution mode of other those skilled in the art is applicable equally:
Mode one: without confirming IR resource release request message, treatment step is as follows:
BBU is wireless, and standard controlled entity such as TD-SCDMA standard controlled entity detect appearance unusually, and decision-making discharges the TD-SCDMA resource that has existed on the RRU; Perhaps BBU TD-SCDMA standard controlled entity resets and restarts, and needs to discharge the TD-SCDMA standard resource that has existed on the RRU, then triggers the RRU resource release flow.
S10, BBU TD-SCDMA standard controlled entity discharge BBU side TD-SCDMA resource, comprise transmission, IQ data channel resource that residential quarter, UE and they take.
S11, BBU TD-SCDMA standard controlled entity are by resource release request message such as IR Resource Release Request message, send resource release request to RRU, and carry the wireless standard TD-SCDMA that needs releasing resource, the resource release request message format referring to 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 the message, all residential quarters of traversal TD-SCDMA standard, { residential quarter 1, residential quarter 2} to residential quarter 1, carry out following two actions: 1, all carrier waves under the traversal residential quarter 1 to obtain set, obtain set { carrier wave 1, carrier wave 2}, to each carrier wave, discharge the employed IQ data channel of this carrier wave resource, and discharge this carrier wave; 2, deletion residential quarter 1; To residential quarter 2, carry out following two actions: 1, all carrier waves under the traversal residential quarter 2, { carrier wave 3} to carrier wave 3, discharges carrier wave 3 employed IQ data channel resources, and discharges carrier wave 3 to obtain set; 2, deletion residential quarter 2;Finish when residential quarter 1, residential quarter 2 deletions, flow process finishes, and the upper resource allocation conditions of the upper controlled entity of BBU and RRU is seen Fig. 4.
Mode two: such as Fig. 5, shown in Figure 6, for the IR of affirmation resource release request message is arranged, treatment step is as follows:
BBU TDD LTE standard controlled entity detects and occurs unusually, and decision-making discharges the TDD LTE resource that has existed on the RRU; Perhaps BBU TDD LTE standard controlled entity resets and restarts, and needs to discharge the TDD LTE standard resource that has existed on the RRU, and flow process begins.
S20, BBU TDD LTE standard controlled entity discharge this wireless standard resource of BBU side, comprise transmission, IQ data channel resource that residential quarter, UE and they take.
S21, BBU TDD LTE standard controlled entity are put sending times and are equaled 0.
S22, BBUTDD LTE standard controlled entity are by resource release request message such as IR Resource Release Request message, send resource release request to RRU, and carry the wireless standard TDD LTE standard that needs releasing resource, and timer is set, sending times adds 1.The form of resource release request message is with reference to table 1 and table 2,
S23, RRU receive resource release request, according to the wireless standard in the message, all residential quarters of traversal TDD LTE standard, { residential quarter 10} to residential quarter 10, carries out following two actions: 1, travel through all carrier waves under this residential quarter to obtain set, obtain set { carrier wave 10}, to carrier wave 10, discharge the employed IQ data channel of this carrier wave resource, and discharge this carrier wave; 2, deletion residential quarter 10.
S24, RRU return resource and discharge feedback message such as IR Resource Release Response message, if resource discharges successfully, carry resource and discharge result's success, otherwise carry failure cause.The form that resource discharges feedback message referring to but be not limited only 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 are received IR Resource Release Response message, kill timer, and flow process finishes; Perhaps timer expiry is if sending times then finishes greater than a default sending times; Otherwise jumping to step S22 continues to carry out.After the present embodiment was finished, the upper resource allocation conditions of the upper controlled entity of BBU and RRU was seen Fig. 7.
The present embodiment provides a kind of method that can simply discharge the RRU resource, i.e. the existing IR rower agreement of expansion increases the IR resource release message.Occur unusually when certain standard detects, perhaps certain standard controlled entity of BBU100 side resets and restarts when needing to discharge this standard resource, can construct easily an IR resource release message, discharges the resource that upper this wireless standard of RRU takies.
With reference to Fig. 8, baseband processing unit BBU100 one embodiment of the present invention is proposed, comprising:
The present embodiment describes as an example of TDD LTE standard example, and BBU100 TDD LTE standard controlled entity detects and occurs unusually, and decision-making discharges the TDD LTE resource that has existed on the RRU; Perhaps BBU100 TDD LTE standard controlled entity resets and restarts, when needing to discharge this wireless standard resource that has existed on the RRU, BBU release module 10 discharges these wireless standard resources of BBU100, comprises transmission, IQ data channel resource that residential quarter, UE and they take.
When need not RRU confirming, request module 11 is by resource release request message such as IR Resource Release Request message, send resource release request to RRU, and carry the wireless standard TDD LTE that needs releasing resource, the resource release request message format referring to but be not limited only to table 1, table 2.RRU receives resource release request message, according to the wireless standard in the message, all residential quarters of traversal TDD LTE standard, { residential quarter 10} to residential quarter 10, carries out following two actions: 1, travel through all carrier waves under this residential quarter to obtain set, obtain set { carrier wave 10}, to carrier wave 10, discharge the employed IQ data channel of this carrier wave resource, and discharge this carrier wave; 2, deletion residential quarter 10.
When need RRU confirming, request module 11 is put sending times and is equaled 0, and by resource release request message such as IR Resource Release Request message, send resource release request to RRU, the wireless standard TDD LTE standard that needs releasing resource is carried in this request, and timer is set, sending times adds 1.The form of resource release request message with reference to but be not limited only to table 1 and table 2.RRU receives resource release request, according to the wireless standard in the message, all residential quarters of traversal TDD LTE standard, { residential quarter 10} to residential quarter 10, carries out following two actions: 1, travel through all carrier waves under this residential quarter to obtain set, obtain set { carrier wave 10}, to carrier wave 10, discharge the employed IQ data channel of this carrier wave resource, and discharge this carrier wave; 2, deletion residential quarter 10.
The present embodiment provides a kind of BBU100, can simply discharge the RRU resource, i.e. the existing IR rower agreement of expansion increases the IR resource release message.Occur unusually when certain standard detects, perhaps certain standard controlled entity of BBU100 side resets and restarts when needing to discharge this standard resource, can construct easily an IR resource release message, discharges the resource that upper this wireless standard of RRU takies.
With reference to Fig. 9, radio frequency remoto module RRU200 one embodiment of the present invention is proposed, comprising:
Sending module 22 is used for sending resource and discharges feedback message to described BBU.
With reference to Figure 10, RRU release module 21 specifically is used for:
Discharge IQ data channel Resource Unit 212, be used for discharging successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge carrier wave unit 213, be used for discharging successively the carrier wave in each residential quarter;
The present embodiment describes as an example of TDD LTE standard example, and BBU TDD LTE standard controlled entity detects and occurs unusually, and decision-making discharges the TDD LTE resource that has existed on the RRU200; Perhaps BBU TDD LTE standard controlled entity resets and restarts, and when need discharging this wireless standard resource that has existed on the RRU200, this wireless standard resource of BBU release BBU100 comprises transmission, IQ data channel resource that residential quarter, UE and they take.
When need not RRU200 confirming, BBU is by resource release request message such as IR Resource Release Request message, send resource release request to RRU200, and carry the wireless standard TDD LTE that needs releasing resource, the resource release request message format referring to but be not limited only to table 1, table 2.Receiver module 20 is received resource release request message, according to the wireless standard in the message, all residential quarters of RRU release module 21 traversal TDD LTE standards, { residential quarter 10} to residential quarter 10, carries out following action: 1, all carrier waves under 211 these residential quarters of traversal, traversal unit to obtain set, obtain set { carrier wave 10}, to carrier wave 10, discharge IQ data channel Resource Unit 212 and discharge the employed IQ data channel of this carrier wave resource, discharge carrier wave unit 213 and discharge this carrier wave; 2, deletion cell unit 214 is deleted residential quarter 10 again.
When needs RRU200 confirms, BBU puts sending times and equals 0, and by resource release request message such as IR Resource Release Request message, send resource release request to RRU200, the wireless standard TDD LTE standard that needs releasing resource is carried in this request, and timer is set, sending times adds 1.The form of resource release request message with reference to but be not limited only to table 1 and table 2.Receiver module 20 is received resource release request, according to the wireless standard in the message, all residential quarters of traversal TDD LTE standard, { residential quarter 10} to residential quarter 10, moves below 21 execution of RRU release module: 1, all carrier waves under 211 these residential quarters of traversal, traversal unit to obtain set, obtain set { carrier wave 10}, to carrier wave 10, discharge IQ data channel Resource Unit 212 and discharge the employed IQ data channel of this carrier wave resource, discharge carrier wave unit 213 and discharge this carrier wave; 2, deletion cell unit 214 is deleted residential quarter 10 again.
Sending module 22 returns resource and discharges feedback message such as IR Resource Release Response message to BBU, if resource discharges successfully, carries resource release result successfully, otherwise carries failure cause.The form that resource discharges feedback message referring to but be not limited only to table 3, table 4.
The present embodiment provides a kind of RRU200, can simply discharge the RRU resource, i.e. the existing IR rower agreement of expansion increases the IR resource release message.When detecting, certain standard controlled entity of BBU side occurs unusually, perhaps certain standard controlled entity of BBU side resets and restarts when needing to discharge this standard resource, can construct easily an IR resource release message, discharge the resource that upper this wireless standard of RRU200 takies.
With reference to Figure 11, propose one embodiment of system that IR interface of the present invention discharges the RRU resource, comprise BBU100 and RRU200, the structure of described BBU100 and operation principle and above-mentioned BBU100 are similar, the structure of described RRU200 and operation principle and above-mentioned RRU200 are similar, no longer are repeated in this description herein.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (11)
1. the method for an IR interface release RRU resource is characterized in that, comprises step:
Baseband processing unit BBU sends resource release request message to radio frequency remoto module RRU; Described resource release request message is carried the wireless standard that needs release;
RRU discharges the resource of described wireless standard according to described resource release request message.
2. the method for claim 1 is characterized in that, after the described RRU of execution discharges the resource of wireless standard according to resource release request message, also comprises:
Described BBU receives the resource release feedback message that described RRU sends.
3. method as claimed in claim 2 is characterized in that, also comprises:
When described BBU did not receive that resource that described RRU sends discharges feedback message, re-transmission resource releasing request message was until default sending times or receive that described resource discharges feedback message.
4. such as each described method in the claims 1 to 3, it is characterized in that, described RRU comprises according to the resource that resource release request message discharges wireless standard:
RRU travels through all residential quarters of described wireless standard, obtains the carrier wave in each residential quarter;
Discharge successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge successively the carrier wave in each residential quarter;
Delete each residential quarter.
5. a baseband processing unit is characterized in that, comprising:
The BBU release module is used for discharging the resource of described wireless standard in the local terminal when needing to discharge the resource of the upper a certain wireless standard of radio frequency remoto module RRU;
Request module is used for sending resource release request message to described RRU, and described resource release request message is carried described wireless standard, discharges the resource of described wireless standard for described RRU.
6. baseband processing unit as claimed in claim 5 is characterized in that, also comprises:
Receiver module is used for receiving the resource release feedback message that described RRU sends.
7. baseband processing unit as claimed in claim 6, it is characterized in that, the described request module also is used for when not receiving that resource that described RRU sends discharges feedback message, and re-transmission resource releasing request message is until default sending times or receive that described resource discharges feedback message.
8. a radio frequency remoto module is characterized in that, comprising:
Receiver module is used for receiving the resource release request message that baseband processing unit BBU sends;
The RRU release module is for the resource that discharges described wireless standard according to described resource release request message.
9. radio frequency remoto module as claimed in claim 8 is characterized in that, also comprises:
Sending module is used for sending resource and discharges feedback message to described BBU.
10. radio frequency remoto module as claimed in claim 8 or 9 is characterized in that, described RRU release module specifically is used for:
The traversal unit, all residential quarters for traveling through described wireless standard obtain the carrier wave in each residential quarter;
Discharge IQ data channel Resource Unit, be used for discharging successively the IQ data channel resource under each carrier wave in each residential quarter;
Discharge the carrier wave unit, be used for discharging successively the carrier wave in each residential quarter;
The deletion cell unit is used for each residential quarter of deletion.
11. an IR interface discharges the system of RRU resource, it is characterized in that, comprise baseband processing unit BBU and radio frequency remoto module RRU, described BBU is each described baseband processing unit in the claim 5 to 7, and described RRU is each described radio frequency remoto module in the claim 8 to 10.
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| WO2011003364A1 (en) * | 2009-07-10 | 2011-01-13 | 大唐移动通信设备有限公司 | Method and device for maintaining long term evolution base station |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011003364A1 (en) * | 2009-07-10 | 2011-01-13 | 大唐移动通信设备有限公司 | Method and device for maintaining long term evolution base station |
| 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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