CN102857951A - Method, device and system for link switching - Google Patents
Method, device and system for link switching Download PDFInfo
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- CN102857951A CN102857951A CN2011101796414A CN201110179641A CN102857951A CN 102857951 A CN102857951 A CN 102857951A CN 2011101796414 A CN2011101796414 A CN 2011101796414A CN 201110179641 A CN201110179641 A CN 201110179641A CN 102857951 A CN102857951 A CN 102857951A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/10—Reselecting an access point controller
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
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Abstract
The invention discloses a method, a device and a system for link switching. The method includes: connecting a BTS (base transceiver station) with a main BSC (base station controller) so that a main transmission link is established; connecting the BTS with an auxiliary BSC so that an auxiliary transmission link is established; and enabling the BTS to determine which one of the main transmission link and the auxiliary transmission link which are currently in the operating states fails, and switching current service to the other transmission link for processing. The method, the device and the system for link switching are capable of solving the problem of resource waste caused by two networking modes in the related technologies.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of link switch-over method, Apparatus and system.
Background technology
Present GSM (Global System of Mobile communication, global system for mobile communications) be widely applied in the high-speed railway transportation, for application demand and the handling characteristics of high-speed railway, more requirement has been proposed for reliability and the disaster tolerance ability of mobile communication system.
For the demand, at present main adopt mainly contain following two kinds of solutions:
A kind of is two BSC (Base Station Controller, base station controller), biplane scheme.Each BSC connects the BTS (Base Transceiver Station, base station) on 1 plane, and the BTS on these two planes realizes redundant by the coverage mode that interweaves.When certain BTS damages, will be provided by 2 BTS of adjacency to cover and replenish.But this networking plan can cause the switching of striding frequently BSC, also can cause in addition frequency resource nervous, affects follow-up dilatation;
Another kind is the scheme of active and standby base station redundancy backup.Active and standby base station is under a BSC, and configuration frequency sequence is consistent, covering regional in full accord, and major network uses shared frequency under normal circumstances, is in for the net carrier frequency and does not carry out the messaging state; Behind the major network carrier frequency fault, activate backup site, use shared frequency work.But this networking plan needs extra resource, makes the base station number of deployment double, the waste resource.
All can cause the problem of the wasting of resources for two kinds of networking modes in the correlation technique, not yet propose at present effective solution.
Summary of the invention
Main purpose of the present invention is to provide a kind of link switch-over method, Apparatus and system, all can cause the problem of the wasting of resources to solve at least in the above-mentioned correlation technique two kinds of networking modes.
According to an aspect of the present invention, provide a kind of link switch-over method, having comprised: base station BTS is connected with dominant base controller BSC, sets up main transmission link; Described BTS is connected with standby BSC, sets up standby transmission link; Described BTS determines that current in running order transmission link breaks down in described main transmission link and the described standby transmission link, current business is switched on the other transmission link process.
Preferably, described BTS sets up after described main transmission link and the described standby transmission link, before determining that current in running order transmission link breaks down, also comprise: the state of the described main transmission link of described BTS initialization and described standby transmission link, the state of described main transmission link is set to operating state, and the state of described standby transmission link is set to non operating state; Described BTS selects in running order described main transmission link to carry out work.
Preferably, described BTS is connected with described main BSC and described standby BSC, and comprising: described BTS is connected with described main BSC by the abis interface of principal direction; Described BTS is connected with described standby BSC by the abis interface of standby direction; The standby transmission link corresponding to abis interface of the main transmission link that wherein, the abis interface of described BTS principal direction is corresponding and standby direction exists simultaneously.
Preferably, described BTS determines that described current in running order transmission link breaks down, and comprising: described BTS periodically detects the state of described main transmission link and described standby transmission link; Transmission link corresponding to abis interface that described BTS detects current use disconnects, and determines that current in running order transmission link breaks down.
Preferably, the current in running order transmission link of described BTS breaks down, with current business switch to process on the other transmission link after, also comprise: described BTS synchronous switching media face passage and background maintenance passage.
Preferably, said method also comprises: described BTS switches to current business when processing on the described standby transmission link, and described BTS detects in Preset Time does not describedly have business for transmission link, and described main transmission link can the transmission of data; Described BTS switches back the business on the described standby transmission link on the described active link and processes.
Preferably, before described BTS and described main BSC, described standby BSC were connected, also comprise: described BTS arranged Flex abis switch, when described Flex abis switch opens, uses active and standby abis interface, supports to connect simultaneously described main BSC and described for BSC.
According to another aspect of the present invention, provide a kind of link switching device, be arranged in the base station BTS, having comprised: main link block, be used for being connected with dominant base controller BSC, set up main transmission link; Standby link block is used for being connected with standby BSC, sets up standby transmission link; Handover module is used for determining that described main transmission link and the described standby current in running order transmission link of transmission link break down, and current business is switched on the other transmission link process.
Preferably, said apparatus also comprises detection module, is used for current business is switched to when processing on the described standby transmission link, and detecting described standby transmission link in Preset Time does not have business, and described main transmission link can the transmission of data; Described handover module also is used for described switching back on the described active link for the business on the transmission link processed.
According to another aspect of the present invention, provide a kind of link switching system, comprised base station BTS, dominant base controller BSC and standby BSC: described BTS, be used for being connected with described main BSC, set up main transmission link; Be connected with described standby BSC, set up standby transmission link; Determine that in running order transmission link breaks down, current business is switched on the other transmission link process; Described main BSC is used for being connected with described BTS, sets up described main transmission link; Described standby BSC is used for being connected with described BTS, sets up described standby transmission link.
Preferably, described BTS also is used for current business is switched to when processing on the described standby transmission link, and detecting described standby transmission link in Preset Time does not have business, and described main transmission link can the transmission of data; Described switching back on the described active link for the business on the transmission link processed.
In embodiments of the present invention, BTS is connected with main BSC, sets up main transmission link; BTS is connected with standby BSC, sets up standby transmission link; BTS determines that current in running order transmission link breaks down in main transmission link and the standby transmission link, current business is switched on the other transmission link process.That is, in embodiments of the present invention, a BTS is connected with main BSC, standby two BSC of BSC simultaneously, has realized the backup of the single-plate grade of BTS, does not need to carry out the backup of active and standby website again, saves operation and drops into, and then can improve the disaster tolerance ability of BSC level; In addition, work under different BSC in the base station, uses identical frequency configuration, can improve follow-up dilatation ability.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the process chart according to the link switch-over method of the embodiment of the invention;
Fig. 2 carries out the process chart that Flex abis switch arranges according to backstage among the embodiment one of the embodiment of the invention;
Fig. 3 is the process chart that carries out active and standby direction transmission configuration according to backstage among the embodiment one of the embodiment of the invention;
Fig. 4 is according to power on for the first time process chart of rear initialization flow process to active and standby link of base station among the embodiment one of the embodiment of the invention;
Fig. 5 is the process chart that carries out abis mouth link switching flow process according to base station among the embodiment one of the embodiment of the invention;
Fig. 6 is the process chart according to the switching flow of medium surface passage and consistency operation maintenance channel among the embodiment one of the embodiment of the invention;
Fig. 7 is the process chart of automatically refunding the switching flow of primary direction flow process according to base station among the embodiment one of the embodiment of the invention;
Fig. 8 is the process chart that carries out active and standby direction transmission configuration according to backstage among the embodiment two of the embodiment of the invention;
Fig. 9 carries out the process chart that Flex abis switch arranges according to backstage among the embodiment three of the embodiment of the invention;
Figure 10 is the process chart that carries out active and standby direction transmission configuration according to backstage among the embodiment three of the embodiment of the invention;
Figure 11 is according to power on for the first time process chart of rear initialization flow process to active and standby link of base station among the embodiment three of the embodiment of the invention;
Figure 12 is the process chart that carries out abis mouth link switching flow process according to base station among the embodiment three of the embodiment of the invention;
Figure 13 is the process chart of automatically refunding the switching flow of primary direction flow process according to base station among the embodiment three of the embodiment of the invention;
Figure 14 is the first structural representation according to the link switching device of the embodiment of the invention;
Figure 15 is the second structural representation according to the link switching device of the embodiment of the invention;
Figure 16 is the structural representation according to the link switching system of the embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Two kinds of networking modes mentioning in the correlation technique, a kind of meeting causes the switching of striding frequently BSC, also can cause in addition frequency resource nervous, affects follow-up dilatation; Another networking plan needs extra resource, makes the base station number of deployment double, the waste resource.This shows that the networking mode that relates in the correlation technique all can cause the waste of resource.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of link switch-over method, and its handling process comprises as shown in Figure 1:
Step S102, BTS are connected with main BSC, set up main transmission link;
Step S104, BTS are connected with standby BSC, set up standby transmission link;
Step S106, BTS determine that current in running order transmission link breaks down in main transmission link and the standby transmission link, current business is switched on the other transmission link process.
In embodiments of the present invention, BTS is connected with main BSC, sets up main transmission link; BTS is connected with standby BSC, sets up standby transmission link; BTS determines that current in running order transmission link breaks down in main transmission link and the standby transmission link, current business is switched on the other transmission link process.That is, in embodiments of the present invention, a BTS is connected with main BSC, standby two BSC of BSC simultaneously, has realized the backup of the single-plate grade of BTS, does not need to carry out the backup of active and standby website again, saves operation and drops into, and then can improve the disaster tolerance ability of BSC level; In addition, work under different BSC in the base station, uses identical frequency configuration, can improve follow-up dilatation ability.
During enforcement, BTS sets up after main transmission link and the standby transmission link, before determining that current in running order transmission link breaks down, can also carry out following operation: the state of BTS initialization master's transmission link and standby transmission link, the state of main transmission link is set to operating state, is set to non operating state for the state of transmission link; BTS selects in running order main transmission link to carry out work.
During enforcement, BTS can adopt various ways to be connected with main BSC and standby BSC, for example, utilizes wireless network to be connected with main BSC and standby BSC, also can utilize cable network to be connected with main BSC and standby BSC, and is preferred, comprising:
BTS is connected with main BSC by the abis interface of principal direction; BTS is connected with standby BSC by the abis interface of standby direction;
The standby transmission link corresponding to abis interface of the main transmission link that wherein, the abis interface of BTS principal direction is corresponding and standby direction exists simultaneously.
During enforcement, BTS can periodically detect the state of main transmission link and standby transmission link for determining whether current in running order transmission link breaks down; Transmission link corresponding to abis interface that BTS detects current use disconnects, and determines that then current in running order transmission link breaks down.
In one embodiment, the current in running order transmission link of BTS breaks down, with current business switch to process on the other transmission link after, BTS also needs synchronous switching media face passage and background maintenance passage, with the synchronous renewal of guarantee information, guarantee the accuracy of follow-up operation.
BTS switches to current business when processing on the standby transmission link, and BTS detects in Preset Time for transmission link does not have business, and main transmission link can the transmission of data; BTS will switch back on the active link for the business on the transmission link and process.BTS adopts and refunds mechanism, and site works as much as possible is worked at main transmission link, reduces the switching of striding BSC.Certainly, when implementing, before BTS was connected with main BSC, for BSC, also comprise: BTS arranged Flex abis switch, when Flex abis switch opens, uses active and standby abis interface, supported to connect simultaneously main BSC and standby BSC.Utilize the mutual exclusion of this switch realization and other work of base station.
In summary, the purpose of the embodiment of the invention is: providing a kind of can dynamically switch access according to abis mouth Link State, realizes the method for BSC level redundancy backup.This scheme is called Flex abis, and namely BTS is connected with active and standby BSC simultaneously, and difference link setup transmission link.And current only have a link work, when the transmission link that is in operating conditions broke down, switching under another BSC of BTS capable of dynamic worked.
The technical scheme that the link switch-over method that the embodiment of the invention provides adopts can may further comprise the steps:
Step 1, base station support Flex abis switch to arrange;
Active and standby direction transmission configuration is supported in step 2, base station, and active and standby direction abis mouth chain of command link can exist simultaneously;
After step 3, base station power on, finish the link setup flow process of setting up abis mouth link with active and standby direction BSC, and at first select the link work of primary direction, the operating state of two links of initialization;
The state of step 4, the active and standby direction link of base station cycle detection, if it is disconnected to detect the abis mouth link of current use, and another Link State is normal, then switches to work on another link;
Step 5, when abis mouth link switching is carried out in the base station, medium surface passage and background maintenance passage also will be done synchronous switching;
Step 6, when base station during in direction for subsequent use work, if detect the current business that do not have, and the link of primary direction is normal, then the base station can automatic pouring be got back on the active link and is worked.
Compared with prior art, the present invention comprises following advantage at least:
1, the backup of single-plate grade has been realized in present base station, does not need to carry out the backup of active and standby website again, saves operation and drops into.Can improve the disaster tolerance ability of BSC level by this programme;
When 2, work in the base station, use identical frequency configuration under different B SC, can improve follow-up dilatation ability;
3, the mechanism of automatically refunding of base station can make site works as much as possible in primary direction work, reduces the switching of striding BSC.
The transmission link that can be used for the Abis mouth has multiple, is not limited only to the networking mode that the embodiment of the invention mentions and the link protocol that uses.The below describes the technical scheme that the embodiment of the invention provides in detail, with purpose, scheme and the function of the further understanding embodiment of the invention, but is not as the restriction to embodiment of the invention claims protection range.
Example one
With IP (Internet Protocol, procotol) networking mode of Over E1 is application scenarios, link layer uses PPP (Point-to-Point Protocol, peer-peer protocol) agreement, on be IP network layer, transport layer is used SCTP (Stream Control Transmission Protocol, SCTP) agreement.Abis mouth Link State with the break-make of SCTP link as basis for estimation.This example is made a concrete analysis of above-mentioned step 1 to six:
Step 1, backstage are carried out the setting of Flex abis switch.Be set to Flex abis and open, to distinguish common configuration, described switch is used for realizing and the mutual exclusion of other function of base station that configuration flow is seen accompanying drawing 2, and BTS will carry out following operation:
Step S202: receive the backstage configuration parameter;
Step S204: the value of switchers field is deposited in the database;
Step S206: finish.
Step 2, backstage are carried out active and standby direction transmission configuration.Under Flex abis pattern, the backstage must dispose active and standby SCTP simultaneously, active and standby OMCB (Operation and Maintenance Centre for NodeB, the operation maintenance center of Node B) passage, during active and standby user's face carrying, configuration parameter could be issued.See accompanying drawing 3, BTS will carry out following operation:
Step S302: receive the backstage parameter configuration;
Step S304: dispose active and standby direction e1 port, and based on the carrying of e1 port configuration ppp link layer, configuration of IP layer on link layer;
Step S306: based on the IP layer, dispose the SCTP chain of command link of active and standby direction;
Step S308: based on the IP layer, dispose the OM channel of active and standby direction;
Step S310: based on the IP layer, dispose the user plane bearer passage of active and standby direction;
Step S312: finish.
Step 3, the base station rear initialization flow process to active and standby link that powers on for the first time.See accompanying drawing 4, BTS will carry out following operation:
Step S402: power on rear respectively with active and standby BSC link setup SCTP link;
Step S404: even chain store and active and standby sign according to every SCTP link configuration are identified as active and standby link.Whether the SCTP that judges primary direction link setup, if link setup, execution in step S406 then, otherwise execution in step S408;
Step S406: active link is initialized as operating conditions, is non-operation with direction link initialization for subsequent use, execution in step S418;
Step S408: judge whether link setup of direction SCTP for subsequent use, if link setup, execution in step S410 then, otherwise execution in step S422;
Step S410: start timer T1;
Step S412: if T1 then before the SCTP link setup of primary direction, execution in step S414 then, otherwise execution in step S416;
Step S414: killing timer T1, and active link is initialized as operating conditions, is non-operation with direction link initialization for subsequent use, execution in step S418;
Step S416: timer T1 then carries out the flow process of being switched to reserve link by active link, and the link switching flow process is seen step 4;
Step S418: select the SCTP coupling and the BSC that are in operating conditions to carry out alternately, the configuration of application wireless parameter;
Step S420: receive the radio configuration parameters that BSC issues, finish the parameter configuration flow process;
Step S422: finish.
Step 4, base station are carried out abis mouth link switching flow process.See accompanying drawing 5, BTS will carry out following operation:
Step S502: in testing process, find that SCTP (a) link of current use is disconnected;
Step S504: judge the link shape of another SCTP (b), if state is normal, execution in step S506 then, execution in step S514;
Step S506, SCTP (b) link is set to operating conditions, and SCTP (a) is set to non-operation;
Step S508: use SCTP (b) to send access message to the BSC of current connection;
Step S510: again be configured parameter request to BSC, and finish configuration flow;
Step S512: finish the synchronous switching of medium surface passage and background maintenance passage, switching flow is seen step 5;
Step S514: finish.
Step 5, the switching flow of medium surface passage and consistency operation maintenance channel.Medium surface is quoted identical IP index with the maintenance panel passage with SCTP, and switching flow is seen accompanying drawing 6, and BTS incites somebody to action:
Step S602: according to the even chain store of current use SCTP, judge current active and standby direction;
Step S604: upgrade the configuration parameter of background maintenance face passage, again finish the link setup flow process between base station and backstage;
Step S606: updating maintenance face channel parameters, finished the reconstruction flow process of medium surface passage by upper layer application;
Step S608: finish.
Step 6, base station are refunded primary direction flow process automatically.If the base station is operated in direction for subsequent use, detect primary direction link and recovered normally, and current when not having business, the base station will automatically switch to primary direction work.See accompanying drawing 7, BTS will carry out following operation:
Step S702: primary direction SCTP is set to operating conditions, and direction SCTP for subsequent use is set to non-operation;
Step S704: use primary SCTP to send access message to the BSC of current connection;
Step S706: carry out the wireless parameter request to BSC, and finish configuration flow;
Step S708: finish the synchronous switching of medium surface passage and background maintenance passage, switching flow is seen step 5;
Step S710: finish.
Example two
Use Ethernet to carry out networking, bottom is the Ethernet link layer, and network layer is used the IP agreement, and transport layer is used Stream Control Transmission Protocol.Abis mouth Link State with the break-make of SCTP link as basis for estimation.Compare with example one, present embodiment is operation difference when carrying out transmission configuration only.
The same flow process of using step 1 to six to finish present embodiment, except step 2 and example 1 were different, other steps were all identical.The in the present embodiment execution of step 2 comprises as shown in Figure 8:
Step S802: receive the backstage parameter configuration;
Step S804: configuration FE or GE port, and based on ether port arrangement IP layer;
Step S806: based on the IP layer, dispose the SCTP chain of command link of active and standby direction;
Step S808: based on the IP layer, dispose the OM channel of active and standby direction;
Step S810: based on the IP layer, dispose the user plane bearer passage of active and standby direction;
Step S812: finish.
Example three
The Abis mouth uses the E1 access, and the chain of command link between base station and controller uses the Lapd agreement, in this example, and the configuration of chain of command link layer, and the basis for estimation of abis mouth Link State and example one compare all differently with two, this example implementation step is as follows:
Step 1, backstage are carried out the setting of Flex abis switch.Be set to Flex abis and open, to distinguish common configuration, described switch is used for realizing and the mutual exclusion of other function of base station that configuration flow is seen accompanying drawing 9, and BTS will carry out following operation:
Step S902: receive the backstage configuration parameter;
Step S904: the value of switchers field is deposited in the database;
Step S906: finish.
Step 2, backstage are carried out active and standby direction transmission configuration.Under Flex abis pattern, the backstage must dispose the e1 port of active and standby direction simultaneously, and the time interval resource that uses on each port, disposes the Lapd link of active and standby direction.See accompanying drawing 10, BTS will carry out following operation:
Step S1002: receive the backstage configuration parameter;
Step S1004: dispose active and standby direction e1 port, and the time interval resource that uses on each port;
Step S1006: based on e1 port, dispose the Lapd chain of command link of active and standby direction;
Step S1008: finish.
When using the E1 access, do not need to carry out the configuration of medium surface and background maintenance passage, the medium surface data are transmitted with the form of bottom speech frame.Maintenance channel also no longer connects the base station through the abis mouth, and all configurations all issue by BSC with the form of abis mouth parameter.
Step 3, the base station rear initialization flow process to active and standby link that powers on for the first time.See accompanying drawing 11, BTS will carry out following operation:
Step S1102: power on rear respectively with active and standby BSC link setup Lapd link;
Step S1104: link No. and active and standby sign according to every Lapd link configuration are identified as active and standby link.Whether the Lapd that judges primary direction link setup, if link setup, execution in step S1106, otherwise execution in step S1108;
Step S1106: active link is initialized as operating conditions, is non-operation with direction link initialization for subsequent use;
Step S1108: judge whether link setup of direction Lapd for subsequent use, if link setup, execution in step S1110 then, otherwise execution in step S1122;
Step S1110: start timer T1,
Step S1112: if T1 then before the Lapd link setup of primary direction, execution in step S1114 then, otherwise execution in step S1116;
Step S1114: killing timer T1, and active link is initialized as operating conditions, is non-operation with direction link initialization for subsequent use;
Step S1116: timer T1 then carries out the flow process of being switched to reserve link by active link, and the link switching flow process is seen step 4;
Step S1118: select the Lapd link and the BSC that are in operating conditions to carry out alternately, the configuration of application wireless parameter;
Step S1120: receive the radio configuration parameters that BSC issues, finish the parameter configuration flow process;
Step S1122: finish.
Step 4, base station are carried out abis mouth link switching flow process.See accompanying drawing 12, BTS incites somebody to action:
Step S1202: in testing process, find that Lapd (a) link of current use is disconnected;
Step S1204: judge the link shape of another Lapd (b), if state is normal, execution in step S1206 then, otherwise execution in step S1212;
Step S1206: this link is set to operating conditions, and Lapd (a) is set to non-operation;
Step S1208: use Lapd (b) to send access message to the BSC of current connection;
Step S1210: again be configured parameter request to BSC, and finish configuration flow;
Step S1212: finish.
Do not need to carry out the switching of medium surface and background maintenance passage in the present embodiment, because there is not relevant configuration, concrete reason sees also the content of step 2.
Step 5, base station are refunded primary direction flow process automatically.If the base station is operated in direction for subsequent use, detect primary direction link and recovered normally, and current when not having business, the base station will automatically switch to primary direction work.See accompanying drawing 13, BTS will carry out following operation:
Step S1302: primary direction Lapd is set to operating conditions, and direction Lapd for subsequent use is set to non-operation;
Step S1304: use primary Lapd to send access message to the BSC of current connection;
Step S1306: carry out the wireless parameter request to BSC, and finish configuration flow;
Step S1308: finish.
Based on same inventive concept, the embodiment of the invention also provides a kind of link switching device, is arranged in the base station BTS, and its structural representation comprises as shown in figure 14:
In one embodiment, preferably, as shown in figure 15, above-mentioned link switching device also comprises detection module 1501, be connected with main link block 1401 and standby link block 1402 respectively, be used for current business is switched to when processing on the standby transmission link, detecting standby transmission link in Preset Time does not have business, and main transmission link can the transmission of data;
Based on same inventive concept, the embodiment of the invention also provides a kind of link switching system, and its structural representation comprises base station BTS 1601, dominant base controller BSC 1602 and standby BSC 1603 as shown in figure 16:
BTS 1601, are used for being connected with main BSC 1602, set up main transmission link; Be connected with standby BSC 1603, set up standby transmission link; Determine that in running order transmission link breaks down, current business is switched on the other transmission link process;
Main BSC 1602 is used for being connected with BTS 1601, sets up main transmission link;
In one embodiment, preferred, BTS 1601 also is used for current business is switched to when processing on the standby transmission link, and detecting standby transmission link in Preset Time does not have business, and main transmission link can the transmission of data; To switch back on the active link for the business on the transmission link and process.
As can be seen from the above description, the present invention has realized following technique effect:
In embodiments of the present invention, BTS is connected with main BSC, sets up main transmission link; BTS is connected with standby BSC, sets up standby transmission link; BTS determines that current in running order transmission link breaks down in main transmission link and the standby transmission link, current business is switched on the other transmission link process.That is, in embodiments of the present invention, a BTS is connected with main BSC, standby two BSC of BSC simultaneously, has realized the backup of the single-plate grade of BTS, does not need to carry out the backup of active and standby website again, saves operation and drops into, and then can improve the disaster tolerance ability of BSC level; In addition, work under different BSC in the base station, uses identical frequency configuration, can improve follow-up dilatation ability.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a link switch-over method is characterized in that, comprising:
Base station BTS is connected with dominant base controller BSC, sets up main transmission link;
Described BTS is connected with standby BSC, sets up standby transmission link;
Described BTS determines that current in running order transmission link breaks down in described main transmission link and the described standby transmission link, current business is switched on the other transmission link process.
2. method according to claim 1 is characterized in that, described BTS sets up after described main transmission link and the described standby transmission link, determine that current in running order transmission link breaks down before, also comprise:
The state of the described main transmission link of described BTS initialization and described standby transmission link, the state of described main transmission link is set to operating state, and the state of described standby transmission link is set to non operating state;
Described BTS selects in running order described main transmission link to carry out work.
3. method according to claim 1 is characterized in that, described BTS is connected with described main BSC and described standby BSC, comprising:
Described BTS is connected with described main BSC by the abis interface of principal direction;
Described BTS is connected with described standby BSC by the abis interface of standby direction;
The standby transmission link corresponding to abis interface of the main transmission link that wherein, the abis interface of described BTS principal direction is corresponding and standby direction exists simultaneously.
4. method according to claim 3 is characterized in that, described BTS determines that described current in running order transmission link breaks down, and comprising:
Described BTS periodically detects the state of described main transmission link and described standby transmission link;
Transmission link corresponding to abis interface that described BTS detects current use disconnects, and determines that current in running order transmission link breaks down.
5. method according to claim 1, it is characterized in that, the current in running order transmission link of described BTS breaks down, with current business switch to process on the other transmission link after, also comprise: described BTS synchronous switching media face passage and background maintenance passage.
6. according to claim 1 to 5 each described methods, it is characterized in that, also comprise:
Described BTS switches to current business when processing on the described standby transmission link, and described BTS detects in Preset Time does not describedly have business for transmission link, and described main transmission link can the transmission of data;
Described BTS switches back the business on the described standby transmission link on the described active link and processes.
7. according to claim 3 or 4 described methods, it is characterized in that, before described BTS and described main BSC, described standby BSC are connected, also comprise: described BTS arranges Flex abis switch, when described Flex abis switch opens, use active and standby abis interface, support to connect simultaneously described main BSC and described standby BSC.
8. a link switching device is characterized in that, is arranged in the base station BTS, comprising:
Main link block is used for being connected with dominant base controller BSC, sets up main transmission link;
Standby link block is used for being connected with standby BSC, sets up standby transmission link;
Handover module is used for determining that described main transmission link and the described standby current in running order transmission link of transmission link break down, and current business is switched on the other transmission link process.
9. device according to claim 8, it is characterized in that, also comprise detection module, be used for current business is switched to when processing on the described standby transmission link, detecting described standby transmission link in Preset Time does not have business, and described main transmission link can the transmission of data;
Described handover module also is used for described switching back on the described active link for the business on the transmission link processed.
10. a link switching system is characterized in that, comprises base station BTS, dominant base controller BSC and standby BSC:
Described BTS is used for being connected with described main BSC, sets up main transmission link; Be connected with described standby BSC, set up standby transmission link; Determine that in running order transmission link breaks down, current business is switched on the other transmission link process;
Described main BSC is used for being connected with described BTS, sets up described main transmission link;
Described standby BSC is used for being connected with described BTS, sets up described standby transmission link.
11. system according to claim 10, it is characterized in that, described BTS also is used for current business is switched to when processing on the described standby transmission link, and detecting described standby transmission link in Preset Time does not have business, and described main transmission link can the transmission of data; Described switching back on the described active link for the business on the transmission link processed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101796414A CN102857951A (en) | 2011-06-29 | 2011-06-29 | Method, device and system for link switching |
| PCT/CN2012/071726 WO2013000288A1 (en) | 2011-06-29 | 2012-02-28 | Link switching method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101796414A CN102857951A (en) | 2011-06-29 | 2011-06-29 | Method, device and system for link switching |
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| CN102857951A true CN102857951A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101796414A Pending CN102857951A (en) | 2011-06-29 | 2011-06-29 | Method, device and system for link switching |
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| Country | Link |
|---|---|
| CN (1) | CN102857951A (en) |
| WO (1) | WO2013000288A1 (en) |
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| CN104602285A (en) * | 2014-12-31 | 2015-05-06 | 华为技术有限公司 | Disaster recovery method and equipment |
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| CN113364639A (en) * | 2020-03-03 | 2021-09-07 | 成都鼎桥通信技术有限公司 | Transmission link switching method, system and device for small station |
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| WO2014178480A1 (en) * | 2013-04-30 | 2014-11-06 | 인텔렉추얼디스커버리 주식회사 | Head mounted display and method for providing audio signals by using same |
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| WO2013000288A1 (en) | 2013-01-03 |
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