CN101860888B - Method, system and equipment for transmitting data by wireless link - Google Patents
Method, system and equipment for transmitting data by wireless link Download PDFInfo
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- CN101860888B CN101860888B CN 200910081909 CN200910081909A CN101860888B CN 101860888 B CN101860888 B CN 101860888B CN 200910081909 CN200910081909 CN 200910081909 CN 200910081909 A CN200910081909 A CN 200910081909A CN 101860888 B CN101860888 B CN 101860888B
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Abstract
The invention discloses a method for transmitting data by a wireless link, which comprises that: wireless network access equipment monitors an active link between the wireless network access equipment and a base station back transmission system; when the active link is determined to fail, the wireless network access equipment transmits a link switching request message to the base station back transmission system by using a pre-established backup link; and after receiving confirmation information returned by the base station back transmission system, the wireless network access equipment performs data transmission with the base station back transmission system by using the backup link. The method has the advantage of ensuring the security of the link between the wireless network access equipment and the base station back transmission system. The embodiment of the invention also provides a system and equipment for transmitting the data by the wireless link.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, system and equipment through the transmission of radio links data.
Background technology
Radio Link between base station (BTS/NodeB) and base station controller (BSC/RNC) is set up through base station upstream transmission system mostly; In order to guarantee the reliability of BTS service; Base station upstream transmission internal system is provided with relevant protection mechanism, causes the infringement of the wireless traffic that Radio Link is carried with the fault (like node failure or fiber cut etc.) of avoiding base station upstream transmission system self.
Base station upstream transmission system architecture can be through multi-service transmission node (Multi-Service Transmission Platform; MSTP) a MSTP circulus of equipment composition; As shown in Figure 1; A plurality of MSTP equipment are arranged in the MSTP circulus; MSTP equipment can connect with at least one base station and at least one base station controller, with base station that a MSTP equipment in the MSTP circulus connects can be connected to the MSTP circulus in a base station controller that MSTP equipment is connected.
In the MSTP circulus; Can be through adopt SNCP (SubNetwork Connection Protection in inside; SNCP) or the mode of MSPRing realize the protection of base station upstream transmission internal system, promptly when a certain MSTP equipment breaks down in the MSTP circulus, can utilize subsequent use MSTP equipment in time to switch the MSTP equipment of fault; General switching time can not influence the execution of wireless traffic in 50ms.
But; In MSTP circulus shown in Figure 1; A base station and a MSTP equipment room have a link, and a base station controller and a MSTP equipment room also have a link, if the link of base station and MSTP equipment room is owing to the reason of link self is interrupted; Then can cause the base station to lose and being connected of MSTP equipment, and then cause this base station can't be connected to base station controller; If the link of base station controller and MSTP equipment room owing to the reason of link self is interrupted, then can cause the base station controller can't access base station upstream transmission system, and then cause base station controller out of touch with the base station of inserting self.When the link down of many base stations, base station controller and MSTP equipment, cause the paralysis of communication link probably.
Summary of the invention
The embodiment of the invention provides a kind of method system and equipment through the transmission of radio links data, has guaranteed the fail safe of link between wireless network access device and base station upstream transmission system through the present invention.
A kind of method through the transmission of radio links data, said method comprises:
Active link between wireless network access device monitoring and base station upstream transmission system;
When said wireless network access device is confirmed said active link fault, send link switchover request message, the sign of carrying said reserve link in the said link switchover request message to said base station upstream transmission system through the reserve link set up in advance;
When base station upstream transmission system confirms in the setting-up time section, not receive from the link-recovery message of wireless network access device; Base station upstream transmission system monitors said active link; Confirm said active link fault, and, confirm that according to the sign of the reserve link that receives said reserve link is in normal operating conditions; Return said confirmation to wireless network access device, said link-recovery message is used to indicate said active link to be in normal operating conditions;
Wireless network access device carries out transfer of data through said reserve link and base station upstream transmission system after receiving the affirmation information that base station upstream transmission system returns.
A kind of system through the transmission of radio links data comprises wireless network access device and base station upstream transmission equipment, wherein:
Wireless network access device; Be used to monitor active link with base station upstream transmission equipment room; When confirming said active link fault; Reserve link through setting up in advance sends the link switchover request message to said base station upstream transmission equipment, and after receiving the affirmation information that base station upstream transmission equipment returns, carries out transfer of data through said reserve link and base station upstream transmission equipment;
Base station upstream transmission equipment; After being used to receive said link switchover request message, when confirming in the setting-up time section, whether to arrive the link-recovery message from wireless network access device, if do not receive; Then said active link is monitored; Confirm said active link fault, and, when confirming that according to the sign of the reserve link in the link switchover request message that receives said reserve link is in normal operating conditions; Return said confirmation to wireless network access device, and carry out transfer of data through said reserve link and wireless network access device.
A kind of wireless network access device, said wireless network access device comprises:
The link monitoring module is used to monitor the active link with base station upstream transmission equipment room;
The request message sending module; Be used for when monitoring result is said active link fault; Reserve link through setting up in advance sends link switchover request message, the sign of carrying said reserve link in the said link switchover request message to said base station upstream transmission equipment;
The confirmation receiver module; Be used to receive the affirmation information that base station upstream transmission equipment returns; Said acknowledge message is that base station upstream transmission system is when confirming in the setting-up time section, not receive link-recovery message; Base station upstream transmission system monitors said active link, confirms said active link fault, and; Confirm that according to the sign of the reserve link that receives said reserve link is in that normal operating conditions returns, said link-recovery message is used to indicate said active link to be in normal operating conditions;
Data transmission module is used for carrying out transfer of data through said reserve link and base station upstream transmission system.
The present invention is through set up reserve link in advance between wireless network access device and base station upstream transmission system; When active link breaks down; Utilize reserve link transmission data; Guarantee the link safety between wireless network access device and base station upstream transmission system, realized the continuous transmission of data.
Description of drawings
Fig. 1 is that upstream transmission system in base station is connected sketch map with link between base station/base station controller in the prior art;
Fig. 2 is the method step sketch map that passes through the transmission of radio links data in the embodiment of the invention one;
Fig. 3 is the method step sketch map that passes through the transmission of radio links data in the embodiment of the invention two;
Fig. 4 is the system configuration sketch map that passes through the transmission of radio links data in the embodiment of the invention three;
Fig. 5 is a wireless network access device structural representation in the embodiment of the invention four;
Fig. 6 carries out the sketch map of link switchover for base station in the embodiment of the invention four and MSTP equipment;
Fig. 7 carries out the sketch map of link switchover for base station controller in the embodiment of the invention four and MSTP equipment.
Embodiment
In order to improve the fail safe of link between wireless network access device and base station upstream transmission system; Make wireless network access device and base station upstream transmission system can realize transfer of data safely and steadly; The present invention proposes between wireless network access device and base station upstream transmission system, to set up at least one reserve link in advance; When the active link between wireless network access device and base station upstream transmission system breaks down, utilize reserve link transmission data, guarantee the continuity of transfer of data.
The wireless network access device that in various embodiments of the present invention, relates to can be one or both in base station (BTS/NodeB) or the base station controller (BSC/RNC); That is to say; Can be the transfer of data between base station or base station controller and base station upstream transmission system, also can be the transfer of data between base station and base station controller while and base station upstream transmission system.The system that base station upstream transmission system can be made up of at least one professional transmission node MSTP equipment.The sign of the link that relates to be can unique this link of description information.
Below in conjunction with Figure of description the embodiment of the invention is described in detail.
As shown in Figure 2, for passing through the method step sketch map of transmission of radio links data in the embodiment of the invention one, as can be seen from the figure, said method comprising the steps of:
Step 101: the active link between wireless network access device monitoring self and base station upstream transmission system.
What wireless network access device was mainly monitored is the active link self working state, judges that said active link current working state is normal operating conditions or breaks down.
Step 102: when wireless network access device is confirmed said active link fault, send the link switchover request message to said base station upstream transmission system through the reserve link set up in advance.
In the link switchover request message, carried the sign of the reserve link of transmission link switching request message.
If wireless network access device is the base station, it links to each other with a MSTP equipment in the base station upstream transmission system, and then this base station and MSTP equipment room can be set up at least one reserve link in advance.When active link breaks down, can from least one reserve link of setting up in advance, select a reserve link execution in step 102.
Step 103: wireless network access device carries out transfer of data through said reserve link and base station upstream transmission system after receiving the affirmation information that base station upstream transmission system returns.
Through the method for step 101 to step 103, set up the link protection mechanism between a kind of wireless network access device and base station upstream transmission system, guaranteed wireless network access device and base station upstream transmission inter-system data transmission safety.
Embodiment two is a kind of more excellent execution modes of the present invention; Suppose that wireless network access device is the base station among the embodiment two; This base station links to each other with a MSTP equipment in the base station upstream transmission system, and is as shown in Figure 3, is the steps flow chart sketch map of the embodiment of the invention two:
Step 201: base station and MSTP equipment are set up multilink, and a link that will be wherein when initial is as active link, itself and link as reserve link.
Base station and MSTP equipment is the simultaneously relevant information of writing task link and the relevant information of reserve link all.The relevant information of link comprises the port information when sign, the port information when this link is used in the base station and the MSTP equipment of link use this link etc.
Step 202: monitor the operating state of active link the base station, if said active link is in normal operating conditions, then continues to carry out this step; Otherwise, jump to step 203.
Step 203: a reserve link is selected in the base station from many reserve links, sends the link switchover request message through the reserve link of selecting to MSTP equipment.
Carry the sign of the reserve link of selection in the link switchover request message.
After step 204:MSTP equipment receives the link switchover request message, wait for the time period of a setting, judge whether the base station sends link-recovery message to MSTP equipment in this time period; If then jump to step 202; Otherwise, jump to step 205.
In the data transmission procedure of reality; Special circumstances such as disconnected may appear dodging in link; Link does not break down; And link can short time in recover normal transmission, if in particular cases also carry out the traffic carrying capacity that link switchover can increase base station and MSTP equipment on the contrary, be unfavorable for the transfer of data of base station and MSTP equipment room this.Therefore; MSTP equipment is after receiving the link switchover request message; Directly do not utilize reserve link transmission data, but wait for a period of time, do not break if active link breaks down just to occur dodging; Then after base station monitors goes out work link-recovery normal operating conditions, will send link-recovery message to MSTP equipment; If after waiting for a period of time, do not receive link-recovery message, think that then active link breaks down probably.
The setting-up time segment length who waits for dodges disconnected section opening time that waits in particular cases in link.
Step 205:MSTP equipment is monitored active link, judges further whether said active link breaks down, as does not break down, and then with the judged result informing base station, and jumps to step 202; Otherwise, jump to step 206.
After process step 204, MSTP equipment thinks that the work at present link breaks down probably, therefore will monitor active link in person.
Step 206:MSTP equipment confirms according to the sign of the reserve link that receives whether said reserve link is in normal operating conditions, if then jump to step 207; Otherwise, jump to step 203.
MSTP equipment confirms that active link breaks down in the time of need carrying out link switchover, and whether the reserve link that base stations detected is selected is available.If available, then utilize base station selected reserve link transmission data; Otherwise, with requiring the base station to reselect an available reserve link.
Step 207: base station and MSTP equipment carry out link switchover respectively, through the reserve link transmission data of selecting, and jump to step 202.
The process that link switchover is carried out in the base station can comprise:
The data-out port that self is broken off in the base station and data-in port are connected with active link; The data-out port of setting up self then and data-in port are connected with said reserve link, realize link switchover.
The process that MSTP equipment carries out link switchover can comprise:
The data-out port that MSTP equipment breaks off self and data-in port are connected with active link; The data-out port of setting up self then and data-in port are connected with said reserve link, realize link switchover.
Base station and MSTP equipment carry out after the link switchover, and the data-out port of base station passes through said reserve link to the MSTP equipment transmission data, and the data-in port of base station receives the data from MSTP equipment through said reserve link.
In the present embodiment, reserve link can be set up with active link simultaneously, also can after active link is set up, set up reserve link again.Active link and reserve link are not changeless, and for example: current have two links, is respectively link 1 and link 2, and current link 1 is an active link, and link 2 is reserve links.When link 1 fault, through link 2 transmission data, then this moment, link 2 became active link, and after the fault of link 1 was got rid of, link 1 can be used as reserve link.
The data transmission procedure of base station and MSTP equipment room is identical among the data transmission procedure of base station controller and MSTP equipment room and the embodiment two.
The embodiment of the invention three also provides a kind of system through the transmission of radio links data; As shown in Figure 4; System through the transmission of radio links data comprises wireless network access device and base station upstream transmission equipment; Wireless network access device comprises base station and base station controller, and base station upstream transmission equipment comprises a plurality of MSTP equipment.The specific descriptions of the system of transmission of radio links data are following:
Wireless network access device is used to monitor the active link with base station upstream transmission equipment room; When confirming said active link fault; Reserve link through setting up in advance sends the link switchover request message to said base station upstream transmission equipment; And after receiving the affirmation information that base station upstream transmission equipment returns, carry out transfer of data through said reserve link and base station upstream transmission equipment; Base station upstream transmission equipment returns confirmation to wireless network access device after being used to receive said link switchover request message, and carries out transfer of data through said reserve link and wireless network access device.
After said base station upstream transmission equipment is used to receive said link switchover request message; When confirming in the setting-up time section, whether to arrive the link-recovery message from wireless network access device; If do not receive, then return said confirmation to wireless network access device.
Said base station upstream transmission equipment is used for said active link is monitored; Confirm said active link fault; And when confirming that according to the sign of the reserve link in the link switchover request message that receives said reserve link is in normal operating conditions, return said confirmation to wireless network access device.
The embodiment of the invention four also provides a kind of wireless network access device; As shown in Figure 5; Said wireless network access device comprises link monitoring module 11, request message sending module 12, confirmation receiver module 13 and data transmission module 14, and wherein: link monitoring module 11 is used to monitor the active link with base station upstream transmission equipment room; Request message sending module 12 is used for when monitoring result is said active link fault, sends the link switchover request message through the reserve link of setting up in advance to said base station upstream transmission equipment; Confirmation receiver module 13 is used to receive the affirmation information that base station upstream transmission equipment returns; Data transmission module 14 is used for carrying out transfer of data through said reserve link and base station upstream transmission system.
Said wireless network access device also comprises selects module 15, is used for selecting a reserve link from many reserve links of setting up in advance; Described request message transmission module 12 is used for when monitoring result is said active link fault; Said reserve link through selecting sends link switchover request message, the sign of carrying the said reserve link of selection in the said message to said base station upstream transmission equipment.
Wireless network access device in the present embodiment can be the base station; Also can be base station controller, explain respectively that below the data transmission module 14 in the base station carries out the process of link switchover and the process that the data transmission module in the base station controller 14 carries out link switchover.
As shown in Figure 6, for data transmission module in the base station 14 and MSTP equipment carry out the sketch map of link switchover, wherein solid line is represented active link, and dotted line is represented reserve link.A data transmitting element and Data Receiving unit are arranged in the data transmission module 14 in the base station, and the data in the data transmission unit are sent to MSTP equipment through sending switch unit.Before carrying out link switchover, send switch unit data-out port is linked to each other with active link; When carrying out link switchover, send switch unit data-out port and active link are broken off, link to each other with reserve link.The Data Receiving unit receives the data from MSTP equipment through receiving switch unit, before carrying out link switchover, receives switch unit data-in port is linked to each other with active link; When carrying out link switchover, receive switch unit data-in port and active link are broken off, link to each other with reserve link.The process that the MSTP device interior carries out link switchover is identical with the process that inside of base station carries out link switchover.
Through method, system and the equipment that the embodiment of the invention provides, guaranteed the link safety of base station/base station controller and MSTP equipment room, realized the continuous transmission of data; And through the judgment mechanism whether MSTP equipment is switched link, switching when having avoided link really not break down reduced the traffic carrying capacity of base station/base station controller and MSTP equipment.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. method through the transmission of radio links data is characterized in that said method comprises:
Active link between wireless network access device monitoring and base station upstream transmission system;
When said wireless network access device is confirmed said active link fault, send link switchover request message, the sign of carrying said reserve link in the said link switchover request message to said base station upstream transmission system through the reserve link set up in advance;
When base station upstream transmission system confirms in the setting-up time section, not receive from the link-recovery message of wireless network access device; Base station upstream transmission system monitors said active link; Confirm said active link fault, and, confirm that according to the sign of the reserve link that receives said reserve link is in normal operating conditions; Return confirmation to wireless network access device, said link-recovery message is used to indicate said active link to be in normal operating conditions;
Wireless network access device carries out transfer of data through said reserve link and base station upstream transmission system after receiving the affirmation information that base station upstream transmission system returns.
2. the method for claim 1 is characterized in that, said wireless network access device sends the link switchover request message through the reserve link set up in advance to said base station upstream transmission system, comprising:
Wireless network access device is selected a reserve link from many reserve links of setting up in advance;
Wireless network access device sends the link switchover request message through the said reserve link selected to said base station upstream transmission system, and the sign of the reserve link that carries in the said message is the sign of the said reserve link selected.
3. like the arbitrary described method of claim 1～2, it is characterized in that,
Wireless network access device is base station and/or base station controller, the system that said base station upstream transmission system is made up of at least one professional transmission node MSTP equipment.
4. the system through the transmission of radio links data is characterized in that, comprises wireless network access device and base station upstream transmission equipment, wherein:
Wireless network access device; Be used to monitor active link with base station upstream transmission equipment room; When confirming said active link fault; Reserve link through setting up in advance sends the link switchover request message to said base station upstream transmission equipment, and after receiving the affirmation information that base station upstream transmission equipment returns, carries out transfer of data through said reserve link and base station upstream transmission equipment;
Base station upstream transmission equipment; After being used to receive said link switchover request message, when confirming in the setting-up time section, whether to arrive the link-recovery message from wireless network access device, if do not receive; Then said active link is monitored; Confirm said active link fault, and, when confirming that according to the sign of the reserve link in the link switchover request message that receives said reserve link is in normal operating conditions; Return said confirmation to wireless network access device, and carry out transfer of data through said reserve link and wireless network access device.
5. a wireless network access device is characterized in that, said wireless network access device comprises:
The link monitoring module is used to monitor the active link with base station upstream transmission equipment room;
The request message sending module; Be used for when monitoring result is said active link fault; Reserve link through setting up in advance sends link switchover request message, the sign of carrying said reserve link in the said link switchover request message to said base station upstream transmission equipment;
The confirmation receiver module; Be used to receive the affirmation information that base station upstream transmission equipment returns; Said acknowledge message is that base station upstream transmission system is when confirming in the setting-up time section, not receive link-recovery message; Base station upstream transmission system monitors said active link, confirms said active link fault, and; Confirm that according to the sign of the reserve link that receives said reserve link is in that normal operating conditions returns, said link-recovery message is used to indicate said active link to be in normal operating conditions;
Data transmission module is used for carrying out transfer of data through said reserve link and base station upstream transmission system.
6. wireless network access device as claimed in claim 5 is characterized in that, said wireless network access device also comprises:
Select module, be used for selecting a reserve link from many reserve links of setting up in advance;
The described request message transmission module; Be used for when monitoring result is said active link fault; Said reserve link through selecting sends link switchover request message, the sign of carrying the said reserve link of selection in the said message to said base station upstream transmission equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910081909 CN101860888B (en) | 2009-04-08 | 2009-04-08 | Method, system and equipment for transmitting data by wireless link |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910081909 CN101860888B (en) | 2009-04-08 | 2009-04-08 | Method, system and equipment for transmitting data by wireless link |
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| CN101860888A CN101860888A (en) | 2010-10-13 |
| CN101860888B true CN101860888B (en) | 2012-12-05 |
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| CN 200910081909 Active CN101860888B (en) | 2009-04-08 | 2009-04-08 | Method, system and equipment for transmitting data by wireless link |
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Families Citing this family (4)
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| CN103024861B (en) * | 2011-09-20 | 2015-05-27 | 北京信威通信技术股份有限公司 | GARP (Generic Attribute Registration Protocol)-based data channel updating method in wireless automatic relay communication system |
| CN102970248B (en) * | 2012-12-20 | 2016-12-28 | 上海大唐移动通信设备有限公司 | Test data back method and apparatus in automatic drive test system |
| CN109526013B (en) * | 2017-09-18 | 2022-05-13 | 中兴通讯股份有限公司 | Link failure processing method and device, base station and computer readable storage medium |
| CN110138636B (en) * | 2019-04-30 | 2021-03-23 | 浙江亿邦通信科技有限公司 | Dynamic linear protection method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1980154A (en) * | 2006-11-21 | 2007-06-13 | 华为技术有限公司 | Wireless communication apparatus interface replacing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1980154A (en) * | 2006-11-21 | 2007-06-13 | 华为技术有限公司 | Wireless communication apparatus interface replacing method and device |
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