CN103096357B - A kind of guard method of IQ link exchange of Large Copacity baseband pool and system - Google Patents
A kind of guard method of IQ link exchange of Large Copacity baseband pool and system Download PDFInfo
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Abstract
The present invention discloses a kind of guard method and system of IQ link exchange of Large Copacity baseband pool, the method comprises: when IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module; IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module, and resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange.According to technical scheme of the present invention, in not traffic affecting situation, realize the pretection switch of IQ link exchange.
Description
Technical field
The present invention relates to field of wireless, particularly relate to a kind of guard method and system of IQ link exchange of Large Copacity baseband pool.
Background technology
In current wireless network, base station many employings baseband processing unit (BBU, BuildingBasebandUnit)+Remote Radio Unit (RRU, RadioRemoteUnit) framework, between the two by Fiber connection, BBU and RRU can be one to one or the mode of one-to-many.
At present, base station has realized baseband pool of singly standing, the baseband pool namely in a BBU.In the framework of BBU+RRU, physical resource can be divided into three parts: base-band resource, radio frequency resource, IQ link exchange; Wherein, IQ link exchange is the Deta bearer passage between base-band resource and radio frequency resource.During allocating cell, base station, without the need to binding base-band resource, but regarding the base-band resource of whole BBU as an entirety, dispatching when community is set up, embodying the concept of baseband pool.
Base-band resource limited amount in the baseband pool of single station, therefore another section of denomination of invention that the applicant submits at the same time is propose Large Copacity baseband pool networking plan in the patent application of " a kind of baseband resource sharing method of Large Copacity baseband pool and system ", as shown in Figure 1, multiple BBU is connected by switching equipment, form a Large Copacity baseband pool, the capacity of baseband pool equals the capacity sum of all BBU forming this baseband pool; The base-band resource being realized all BBU in Large Copacity baseband pool by switching equipment is shared, and makes the base-band resource multiplexing capacity of whole Large Copacity baseband pool no longer be limited to single BBU.
In Large Copacity baseband pool, be connected by optical fiber link between BBU with switching equipment, and configure the topological relation between each BBU by backstage.Optical fiber between BBU carries I/Q data, and therefore in Large Copacity baseband pool, for physical resource management, the optical fiber link between base station is equally also a kind of IQ link exchange.
Compare original list station baseband pool, IQ link exchange between Large Copacity baseband pool not only comprises across IQ link exchange in frame situation between the backboard in same frame, also comprise the IQ link exchange between frame, any one one malfunctions all can cause whole piece IQ link exchange to be paralysed, thus causes the data between RRU and BBU to transmit.Under normal circumstances, when IQ link exchange breaks down, need triggering cell to delete and build, thus select new available IQ link exchange.The possibility that the progression that IQ link exchange exchanges increases the fault causing whole piece IQ link exchange to occur increases greatly, if generation community is deleted and built and will cause service disconnection frequently, affects customer satisfaction.
Summary of the invention
In view of this, main purpose of the present invention is guard method and the system of the IQ link exchange providing a kind of Large Copacity baseband pool, realizes the pretection switch of IQ link exchange in not traffic affecting situation.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of protection system of IQ link exchange of Large Copacity baseband pool, comprising: IQ link management module, resource management module; Wherein,
IQ link management module, when breaking down for IQ link exchange, the IQ link exchange that notice resource management module breaks down; Also for searching available IQ link exchange, the information of the available IQ link exchange found is sent to resource management module;
Resource management module, for the IQ link exchange of notified rear deletion fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module; Also for being configured according to the information of the IQ link exchange received, complete the pretection switch of IQ link exchange.
In said system, the IQ link exchange that described resource management module deletes fault is:
After resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, the whole piece at described IQ link exchange place is all deleted or part deletion across the IQ link exchange link of frame, and again applies for IQ link exchange by IQ link exchange solicitation message to IQ link management module.
The present invention also provides a kind of guard method of IQ link exchange of Large Copacity baseband pool, comprising:
When IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module;
IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module, and resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange.
In said method, the IQ link exchange that described IQ link management module notice resource management module breaks down is:
When the IQ link management module of the BBU at place, community detects or knows that IQ link exchange breaks down, notify that the resource management module IQ link exchange of this frame breaks down, in notification message, carry the link No. of the IQ link exchange broken down; Wherein, the carriers carry of described community is in the described IQ link exchange broken down.
In said method, the IQ link exchange that described resource management module deletes fault is:
After resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, the whole piece at described IQ link exchange place is all deleted or part deletion across the IQ link exchange link of frame, and again applies for IQ link exchange by IQ link exchange solicitation message to IQ link management module.
In said method, the described whole piece to described IQ link exchange place carries out part across the IQ link exchange link of frame and deletes and be:
IQ link management module in the switching equipment that resource management module connects to the IQ link exchange broken down and BBU sends link release message, after IQ link management module receives link release message in switching equipment and BBU, delete the occupied information of the IQ link exchange broken down described in this locality respectively.
In said method, the described whole piece to described IQ link exchange place carry out all deleting across the IQ link exchange link of frame be:
Resource management module deletes the occupied information of whole piece across the IQ link exchange of frame at the IQ link exchange place of breaking down described in comprising of local preservation, and send IQ link exchange release message to the IQ link management module of this frame, described IQ link management module sends IQ link exchange release message to switching equipment and other BBU, and switching equipment and other BBU discharge IQ link exchange corresponding to this frame respectively.
In said method, described IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found sent to resource management module to be:
After receiving IQ link exchange solicitation message, IQ link management module adopts priority policy to search IQ link exchange available between radio frequency resource and base-band resource, if there is idle IQ link exchange, select idle IQ link exchange, if there is no idle IQ link exchange, carries out seizing of IQ link exchange according to carrier wave priority; The information of the IQ link exchange found is returned to resource management module by IQ link exchange application response message by IQ link management module.
In said method, described according to carrier wave priority carry out IQ link exchange seize for:
If the IQ link exchange of low carrier priority, higher than carrier wave priority corresponding to IQ link exchange distributing, discharge, the IQ link exchange after release is distributed to the carrier wave use of high carrier wave priority by carrier wave priority corresponding to application IQ link exchange.
In said method, described resource management module according to the information of the IQ link exchange received be configured into:
After resource management module receives IQ link exchange application response message, according to the information of IQ link exchange wherein, upgrade the local carrier wave of preservation and the corresponding relation of IQ link exchange, and send IQ link to the IQ link management module in the switching equipment of IQ link exchange distributed and BBU and submit message to, the IQ link management module in switching equipment and BBU carries out the configuration of IQ link exchange according to this message.
The guard method of the IQ link exchange of Large Copacity baseband pool provided by the invention and system, when IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module; IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module, and resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange.When the IQ link exchange selected breaks down, radio frequency resource and the base-band resource of cell association are constant, only reselect a new IQ link exchange, realize the backup functionality of IQ link exchange; And in pretection switch process, RNC does not know NodeB side and there occurs switching of IQ link exchange, the UE on cell carrier and carrier wave, without the need to rebuilding, realizes the pretection switch of IQ link exchange in not traffic affecting situation.
Accompanying drawing explanation
Fig. 1 is the networking schematic diagram of Large Copacity baseband pool in prior art;
Fig. 2 is the structural representation of the protection system of the IQ link exchange of Large Copacity baseband pool of the present invention;
Fig. 3 is the schematic flow sheet of the guard method of the IQ link exchange of Large Copacity baseband pool of the present invention;
Fig. 4 is the schematic diagram of Large Copacity baseband pool IQ link exchange of the present invention;
Fig. 5 is the fault schematic diagram of Large Copacity baseband pool IQ link exchange of the present invention;
Fig. 6 is the schematic flow sheet that the present invention realizes the embodiment one of the guard method of the IQ link exchange of Large Copacity baseband pool;
Fig. 7 is the schematic flow sheet that the present invention realizes the embodiment two of the guard method of the IQ link exchange of Large Copacity baseband pool.
Embodiment
Basic thought of the present invention is: when IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module; IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module, and resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange.
Below by drawings and the specific embodiments, the present invention is described in further detail again.
The invention provides a kind of protection system of IQ link exchange of Large Copacity baseband pool, Fig. 2 is the structural representation of the protection system of the IQ link exchange of Large Copacity baseband pool of the present invention, as shown in Figure 2, this system comprises: IQ link management module 21, resource management module 22; Wherein,
IQ link management module 21, when breaking down for IQ link exchange, the IQ link exchange that notice resource management module 22 breaks down; Also for searching available IQ link exchange, the information of the available IQ link exchange found is sent to resource management module 22;
Resource management module 22, for the IQ link exchange of notified rear deletion fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module 21; Also for being configured according to the information of the IQ link exchange received, complete the pretection switch of IQ link exchange.
The IQ link exchange that described resource management module 22 deletes fault is specially: after resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, the whole piece at described IQ link exchange place is all deleted or part deletion across the IQ link exchange link of frame, and again applies for IQ link exchange by IQ link exchange solicitation message to IQ link management module.
Based on said system, the invention provides a kind of guard method of IQ link exchange of Large Copacity baseband pool, Fig. 3 is the schematic flow sheet of the guard method of the IQ link exchange of Large Copacity baseband pool of the present invention, and as shown in Figure 3, the method comprises the following steps:
Step 301, when IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down;
Concrete, when IQ link exchange breaks down, IQ link management module can know this event of failure, such as, if IQ link exchange is optical fiber, when IQ link exchange breaks down, as optical fiber one end disconnects, this event of failure is reported the IQ link management module of the BBU at place, community by the optical fiber other end; Or when the IQ link management module of the switching equipment be connected with the BBU at this place, community detects that IQ link exchange breaks down, this event of failure reports the IQ link management module of described BBU; Here, the carriers carry of described community is in described IQ link exchange; When the IQ link management module of the BBU at place, community detects that IQ link exchange breaks down, notify that the resource management module IQ link exchange of this frame breaks down, in notification message, carry the link No. of the IQ link exchange broken down.
Step 302, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again applies for IQ link exchange to IQ link management module;
Concrete, after resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, therefore in the link of this locality preservation and the corresponding relation of carrier information, search all carrier informations be carried in this IQ link exchange, do not remove the base-band resource associated by carrier wave and radio frequency resource that this IQ link exchange broken down carries, only delete the IQ link exchange that this breaks down;
The method of this IQ link exchange broken down of described deletion comprises all deletes or part deletion across the IQ link exchange link of frame the whole piece at described IQ link exchange place, wherein part is deleted and is referred to: the IQ link management module in the switching equipment that resource management module connects to the IQ link exchange broken down and BBU sends link release message, after in switching equipment and BBU, IQ link management module receives link release message, delete the occupied information of this IQ link exchange broken down local respectively, therefore part is deleted is only delete the IQ link exchange broken down, whole deletion refers to: resource management module deletes the occupied information of whole piece across the IQ link exchange of frame at the IQ link exchange place of breaking down described in comprising of local preservation, and send IQ link exchange release message to the IQ link management module of this frame, described IQ link management module sends IQ link management module to switching equipment and other BBU, and switching equipment and other BBU discharge IQ link exchange corresponding to this frame respectively,
Because the IQ link exchange broken down is deleted, therefore resource management module also needs again to apply for IQ link exchange by IQ link exchange solicitation message to the IQ link management module of this frame.
Step 303, IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module;
Concrete, after the IQ link exchange solicitation message that the resource management module receiving this frame sends, IQ link exchange available between IQ link management module searches radio frequency resource and base-band resource, in order to ensure the backup functionality of the IQ link exchange of high priority carrier wave as far as possible, priority policy is have employed when reselecting IQ link exchange, IQ link management module searches can IQ link exchange time, if there is idle IQ link exchange, then select idle IQ link exchange, if there is no idle IQ link exchange, seizing of IQ link exchange can be carried out according to carrier wave priority, if the carrier wave priority that namely application IQ link exchange is corresponding is higher than carrier wave priority corresponding to IQ link exchange distributing, the IQ link exchange of low carrier priority first can be discharged, then the carrier wave IQ link exchange after release being distributed to high carrier wave priority uses, after finding available IQ link exchange, the information of this IQ link exchange is returned to resource management module by IQ link exchange application response message by IQ link management module.
Step 304, resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange;
Concrete, after resource management module receives IQ link exchange application response message, according to the information of IQ link exchange wherein, upgrade the local carrier wave of preservation and the corresponding relation of IQ link exchange, and the IQ link management module in the switching equipment and BBU of the IQ link exchange of distributing sends IQ link submission message, IQ link management module in switching equipment and BBU carries out the configuration of IQ link exchange according to this message, complete the pretection switch of IQ link exchange; After configuration successful, radio frequency resource and base-band resource just can carry out transfer of data in the IQ link exchange redistributed.
In following embodiment, the physical I Q link exchange between RRU and base band is according to the topology between the Physical board of configuration and BBU, and there are many different links, as shown in Figure 4, solid line and dotted line represent two IQ link exchanges respectively; Suppose that resource that community CELL1 distributes is the base-band resource of the radio frequency resource+BBU12 of BBU11, the solid line link 1-> 3-> 5-> 7 when IQ link exchange is distributed according to certain policy selection in Fig. 4; Existing switching equipment detects that IQ link exchange 3 breaks down; as shown in Figure 5; wherein; IQ link occurs fault reason has multiple; as disconnected in optical fiber between frame, light power board veneer is restarted; the pretection switch implementation of IQ link exchange has two kinds, and one is that part IQ link exchange is switched, and one is that whole IQ link exchange is switched.
It should be noted that, resource management module in the present invention is arranged in the BBU's that is connected with RRU, in other BBU be not connected with RRU and all there is resource management module in switching equipment, but the resource management module in other BBU be not connected with RRU and in switching equipment does not act in the present invention, therefore in order to introduce conveniently, the resource management module in the BBU be not connected with RRU and in switching equipment in accompanying drawing in the present invention, is not drawn; Resource management module in the BBU be connected with RRU can send link release message to the IQ switch management module of all BBU be connected with switching equipment, for notifying that the BBU that the switching equipment that the IQ link exchange broken down connects is connected with the other end carries out link release; In addition, in the present invention in each BBU and switching equipment there is IQ link management module, therefore resource management module and IQ link management module can be arranged in same BBU, also can be arranged in different BBU.
Embodiment one
Fig. 6 is the schematic flow sheet that the present invention realizes the embodiment one of the guard method of the IQ link exchange of Large Copacity baseband pool, and be the concrete methods of realizing of the pretection switch of part IQ link exchange, as shown in Figure 6, the method comprises the following steps:
Step 601, the IQ link management module of switching equipment detects that the IQ link exchange (link 3) between BBU11 and switching equipment breaks down, assignment information before the IQ link management module retrieves of switching equipment, find that the carriers carry of community CELL1 is in this IQ link exchange, but the source frame finding CELL1 is not this frame, but on BBU11, therefore need the IQ link exchange (link 3) of the IQ link management module CELL1 by IQ link exchange fault notification message notice BBU11 to break down; In the present invention, according to the occurrence cause of fault, the IQ link management module of BBU11 and the IQ link management module of switching equipment can detect this fault, first detecting that the IQ link management module of fault carries out the process of fault, is first detect that fault is described for the IQ link management module of switching equipment in the present invention; In addition, owing to being that IQ link exchange breaks down, what therefore affect is the transmission of I/Q data, the interaction messages such as the IQ link exchange fault notification message in the present invention by network cable transmission, not by the impact that IQ link exchange breaks down.
Step 602, after the IQ link management module of BBU11 receives the IQ link exchange fault notification message of CELL1, notifies that the IQ link exchange (link 3) of the resource management module CELL1 of this frame breaks down.
Step 603, after resource management module receives the IQ link exchange signalling trouble of CELL1, know that the link 3 between BBU11 and switching equipment there occurs fault according to the link No. of the fault of carrying in notification message, resource management module sends IQ link (link 3) release message to the IQ link management module of BBU11; Here, if the link between BBU12 and switching equipment 5 there occurs fault, resource management module sends IQ link (link 5) release message to the IQ link management module of BBU12.
Step 604, after the IQ link management module of BBU11 receives IQ link (link 3) release message, the occupied information of the link 3 of release BBU11 side, and send IQ link (link 3) release message to switching equipment; After switching equipment receives IQ link (link 3) release message, the occupied information of the link 3 of release switching equipment side.
Step 605, after resource management module sends IQ link release message, the IQ link exchange of again applying between BBU11 and switching equipment frame to IQ link management module by IQ link exchange solicitation message.
Step 606, after the IQ link management module of BBU11 receives application, first distributes the IQ link exchange of this frame, then sends IQ link exchange solicitation message to switching equipment; After switching equipment receives message, also select suitable IQ link exchange to distribute, then send IQ link exchange application response message to BBU11; After the IQ link management module of BBU11 receives message, send IQ link exchange application response to resource management module.
Step 607, after resource management module receives IQ link exchange application response, upgrade the IQ link exchange information (1-> 4-> 5-> 7) of CELL1, and send IQ link exchange (link 4) submission message to the IQ link management module of BBU11; The IQ link management module of BBU11 receives after IQ link exchange submits message to, carries out the configuration of IQ link exchange, and sends IQ link exchange to switching equipment and submit message to; Switching equipment carries out the configuration of IQ link exchange after receiving and submitting message to.
Embodiment two
Fig. 7 is the schematic flow sheet that the present invention realizes the embodiment two of the guard method of the IQ link exchange of Large Copacity baseband pool, and be the concrete methods of realizing of the pretection switch of whole IQ link exchange, as shown in Figure 7, the method comprises the following steps:
Step 701, the IQ link management module of switching equipment detects that the IQ link exchange (link 3) between BBU11 and switching equipment breaks down, assignment information before the IQ link management module retrieves of switching equipment, find that the carriers carry of community CELL1 is in this IQ link exchange, but the source frame finding CELL1 is not this frame, but on BBU11, therefore need the IQ link exchange (link 3) of the IQ link management module CELL1 by IQ link exchange fault notification message notice BBU11 to break down.
Step 702, after the IQ link management module of BBU11 receives the IQ link exchange fault notification message of CELL1, notifies that the IQ link exchange (link 3) of the resource management module CELL1 of this frame breaks down.
Step 703, after resource management module receives the IQ link exchange signalling trouble of CELL1, delete the occupied information (1-> 3-> 5-> 7) of the IQ link exchange that CELL1 originally preserved, the IQ link management module to this frame sends IQ link exchange release message; After the IQ link management module of BBU11 receives IQ link exchange release message, find that the original IQ link exchange of CELL1 is across frame, therefore the IQ link exchange releasing request message of CELL1 is sent to switching equipment and BBU12, each frame discharges the IQ link exchange that CELL1 in this frame is corresponding after receiving IQ link exchange releasing request message respectively.
Step 704, after resource management module sends the IQ link exchange releasing request of CELL1, sends IQ link exchange solicitation message to IQ link management module, for again apply for BBU11 RRU and BBU12 base-band resource between IQ link exchange.
Step 705, after the IQ link management module of BBU11 receives IQ link exchange solicitation message, finds that RRU and base-band resource be not on a frame, first distributes the IQ link exchange of this frame, then sends IQ link exchange solicitation message to switching equipment; After switching equipment receives IQ link exchange solicitation message, find that base-band resource is on BBU12, first distributes the IQ link exchange of this frame, then send IQ link exchange solicitation message to BBU12; After BBU12 receives message, distribute the IQ link of this frame, then send IQ link exchange application response message to switching equipment; After switching equipment receives this response message, send IQ link exchange application response message to BBU11; After the IQ link management module of BBU11 receives this response message, send the IQ link exchange application response message of CELL1 to resource management module.
Step 706, after resource management module receives IQ link exchange application response message, preserve the new IQ link exchange information (2-> 4-> 6-> 8) of CELL1, and send the IQ link exchange submission message of CELL1 to IQ link management module; IQ link management module is carried out the configuration of this frame IQ link exchange, and is notified that next stage frame carries out the configuration of IQ link exchange after receiving IQ link exchange submission message.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the protection system of the IQ link exchange of a Large Copacity baseband pool, wherein, described Large Copacity baseband pool is made up of multiple BBU, and described multiple BBU is connected on switching equipment via IQ link exchange, it is characterized in that, this system comprises: IQ link management module, resource management module; Wherein,
IQ link management module, when breaking down for IQ link exchange, the IQ link exchange that notice resource management module breaks down; Also for searching available IQ link exchange, the information of the available IQ link exchange found is sent to resource management module;
Resource management module, for the IQ link exchange of notified rear deletion fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module; Also for being configured according to the information of the IQ link exchange received, complete the pretection switch of IQ link exchange.
2. system according to claim 1, is characterized in that, the IQ link exchange that described resource management module deletes fault is:
After resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, the whole piece at described IQ link exchange place is all deleted or part deletion across the IQ link exchange of frame, and again applies for IQ link exchange by IQ link exchange solicitation message to IQ link management module.
3. a guard method for the IQ link exchange of Large Copacity baseband pool, wherein, described Large Copacity baseband pool is made up of multiple BBU, and described multiple BBU is connected on switching equipment via IQ link exchange, and it is characterized in that, the method comprises:
When IQ link exchange breaks down, the IQ link exchange that IQ link management module notice resource management module breaks down, resource management module deletes the IQ link exchange of fault, the base-band resource associated by carrier wave that the IQ link exchange broken down described in not removing carries and radio frequency resource, and again apply for IQ link exchange to IQ link management module;
IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found is sent to resource management module, and resource management module is configured according to the information of the IQ link exchange received, and completes the pretection switch of IQ link exchange.
4. method according to claim 3, is characterized in that, the IQ link exchange that described IQ link management module notice resource management module breaks down is:
When the IQ link management module of the BBU at place, community detects or knows that IQ link exchange breaks down, notify that the resource management module IQ link exchange of this frame breaks down, in notification message, carry the link No. of the IQ link exchange broken down; Wherein, the carriers carry of described community is in the described IQ link exchange broken down.
5. method according to claim 3, is characterized in that, the IQ link exchange that described resource management module deletes fault is:
After resource management module receives fault notification message, according to the link No. of the IQ link exchange broken down of wherein carrying, know and have IQ link exchange to break down, the whole piece at described IQ link exchange place is all deleted or part deletion across the IQ link exchange of frame, and again applies for IQ link exchange by IQ link exchange solicitation message to IQ link management module.
6. method according to claim 5, is characterized in that, the described whole piece to described IQ link exchange place carries out part across the IQ link exchange of frame and deletes and be:
IQ link management module in the switching equipment that resource management module connects to the IQ link exchange broken down and BBU sends link release message, after IQ15 link management module receives link release message in switching equipment and BBU, delete the occupied information of the IQ link exchange broken down described in this locality respectively.
7. method according to claim 5, is characterized in that, the described whole piece to described IQ link exchange place carry out all deleting across the IQ link exchange of frame be:
Resource management module deletes the occupied information of whole piece across the IQ link exchange of frame at the IQ link exchange place of breaking down described in comprising of local preservation, and send IQ link exchange release message to the IQ link management module of this frame, described IQ link management module sends IQ link exchange release message to switching equipment and other BBU, and switching equipment and other BBU discharge IQ link exchange corresponding to this frame respectively.
8. method according to claim 3, is characterized in that, described IQ link management module searches can IQ link exchange, the information of the available IQ link exchange found sent to resource management module to be:
After receiving IQ link exchange solicitation message, IQ link management module adopts priority policy to search IQ link exchange available between radio frequency resource and base-band resource, if there is idle IQ link exchange, select idle IQ link exchange, if there is no idle IQ link exchange, carries out seizing of IQ link exchange according to carrier wave priority; The information of the IQ link exchange found is returned to resource management module by IQ link exchange application response message by IQ link management module.
9. method according to claim 8, is characterized in that, described according to carrier wave priority carry out IQ link exchange seize for:
If the IQ link exchange of low carrier priority, higher than carrier wave priority corresponding to IQ link exchange distributing, discharge, the IQ link exchange after release is distributed to the carrier wave use of high carrier wave priority by carrier wave priority corresponding to application IQ link exchange.
10. method according to claim 3, is characterized in that, described resource management module according to the information of the IQ link exchange received be configured into:
After resource management module receives IQ link exchange application response message, according to the information of IQ link exchange wherein, upgrade the local carrier wave of preservation and the corresponding relation of IQ link exchange, and send IQ link to the IQ link management module in the switching equipment of IQ link exchange distributed and BBU and submit message to, the IQ link management module in switching equipment and BBU carries out the configuration of IQ link exchange according to this message.
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| CN101753244A (en) * | 2008-12-05 | 2010-06-23 | 大唐移动通信设备有限公司 | Method and system for transporting service in RRU loop network |
| CN101771591A (en) * | 2008-12-26 | 2010-07-07 | 大唐移动通信设备有限公司 | Service transmission method and system under RRU and BBU loop network |
| CN102196482A (en) * | 2011-06-30 | 2011-09-21 | 大唐移动通信设备有限公司 | Method and device for carrying out hot backup on services |
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| CN101753244A (en) * | 2008-12-05 | 2010-06-23 | 大唐移动通信设备有限公司 | Method and system for transporting service in RRU loop network |
| CN101771591A (en) * | 2008-12-26 | 2010-07-07 | 大唐移动通信设备有限公司 | Service transmission method and system under RRU and BBU loop network |
| CN102196482A (en) * | 2011-06-30 | 2011-09-21 | 大唐移动通信设备有限公司 | Method and device for carrying out hot backup on services |
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