CN1459985A - Radio job flow control method in GSM system - Google Patents
Radio job flow control method in GSM system Download PDFInfo
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- CN1459985A CN1459985A CN 02111831 CN02111831A CN1459985A CN 1459985 A CN1459985 A CN 1459985A CN 02111831 CN02111831 CN 02111831 CN 02111831 A CN02111831 A CN 02111831A CN 1459985 A CN1459985 A CN 1459985A
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Abstract
A method for controlling the wireless service through put in GSM system includes monitoring the over-load generation of BSC, running the throughput control program, proportionally inhibiting upper-layer message for LAPD link until safety load, running LAPD link restoring program until all LAPD links are restored, and continuously monitoring the load of BSC. Its advantages are less impact to system and high safety of SBC.
Description
Technical field
The present invention relates to a kind of flow control methods between BSC in a kind of gsm system (base station controller) and the BTS (base station), more specifically to a kind of radio job flow control method based on LAPD (Link Access Procedure on theD-channel, D channel link access regulation).
Background technology
Communication in the gsm system between BSC and BTS adopts the LAPD agreement to carry out, and all wireless mouthfuls all will transmit by the LAPD link with the information interaction of network side.Therefore, in gsm system, system loading comes from mainly that travelling carriage message produced, just the business information of being come by the LAPD link transmission.Can occur in actual applications causing all mobile phones to fall net owing to MSC (mobile switching centre) breaks down, after fault recovery, upgrade and to cause BSC the flow overload of moment to occur because all travelling carriages carry out the position simultaneously, thus initiating system overload paralysis phenomenon.
Owing in present BSC system design, do not carry out consideration for the sudden impact of this kind, therefore in case when this type of fault and BSC system occurring and can recover faster again, can cause harmful effect to the stability of BSC equipment through the extensive load impact of LAPD after a while.In the prior art, still well do not address this problem, find no similar patent or patent application simultaneously yet at such problem of solution.
Summary of the invention
Technical problem to be solved by this invention is when the flow overload occurring, proposes a kind of radio job flow control method, alleviates the overload impact that travelling carriage one side causes BSC.
Technical scheme of the present invention is achieved in that radio job flow control method in a kind of gsm system, it is characterized in that comprising the following steps
(1) load of BSC is monitored, when the flow overload occurring, started the flow control flow process;
(2) forbid the upper layer message of LAPD link in proportion, until dropping to safe load;
(3) drop to safe load after, start LAPD link-recovery flow process;
(4) behind the whole LAPD links of recovery, continue the load of BSC is monitored.
The radio job flow control method that adopts the present invention to propose can load workload smoothly when system failure recovery, can not cause too big impact to system, has guaranteed the safe handling of BSC system, improves the impact resistance and the robustness of BSC equipment.
Description of drawings
Fig. 1 is the overview flow chart of the flow control methods that proposes of the present invention.
Fig. 2 is the detail flowchart of step among Fig. 1 (1).
Fig. 3 is the detail flowchart of step among Fig. 1 (2).
Fig. 4 is the detail flowchart of step among Fig. 1 (3) and (4).
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the flow control methods that the present invention proposes comprises following four steps: (1) is monitored the load of BSC, starts the flow control flow process when the flow overload occurring; (2) forbid the upper layer message of LAPD link in proportion, until dropping to safe load; (3) drop to safe load after, start LAPD link-recovery flow process; (4) behind the whole LAPD links of recovery, continue the load of BSC is monitored.Describe each step below in detail.
Fig. 2 is that Fig. 2 is the detail flowchart of step among Fig. 1 (1).As shown in Figure 2, the step among Fig. 1 (1) comprises the following steps: (1) calculated load value; (2) judge whether excess load of system, if not, then continue execution in step (1); (3) judge excess load whether since wireless traffic cause, if not, then continue execution in step (1); (4) judge whether well afoot of flow control, if then continue execution in step (1); (5) otherwise start the flow control flow process.The purpose of above-mentioned steps (4) be send start flow control signal before, whether carrying out flow control and judging current, bring possible confusion to avoid the repeated priming flow control.
Fig. 3 is the detail flowchart of step among Fig. 1 (2).As shown in Figure 2, the step among Fig. 1 (2) comprises the following steps: that (1) forbid the upper layer message of a part of LAPD link in proportion; (2) mark is carrying out flow control; (3) the excess load inspection is set regularly; (4) after the excess load inspection is regularly finished, judge whether to have dropped to safe load once more,, and the LAPD link-recovery is set regularly if then Mk system begins the LAPD link-recovery; (5) otherwise forbid a part of LAPD link upper layer message more in proportion, re-execute step (3) then.The purpose of wherein above-mentioned step (2) is to be provided with the sign of a mutual exclusion, indicates flow control procedure and starts, and guarantees can not start flow process for the second time in flow process is carried out.Here, the ratio described in the step (1) can in the light of actual conditions be adjusted, and a ratio that most preferred embodiment adopted of the present invention is 1/2nd.
Fig. 4 is the detail flowchart of step among Fig. 1 (3) and (4).As shown in Figure 4, the detailed step of the step among Fig. 1 (3) and (4) is: (1) judges whether the LAPD link-recovery is regularly finished, if then start LAPD link-recovery flow process; (2) the LAPD link traffic of a unit of recovery; (3) the flow control recovering mark is set; (4) judge whether that whole LAPD links recover,, continue the load of BSC is monitored if then remove the link-recovery sign; (5) otherwise reset the LAPD link-recovery regularly, execution in step (1) then.When all LAPD link work has all recovered, need to remove the mutual exclusion sign, whole flow control flow process finishes, and system comes back to normal operating conditions.The unit that wherein recovers link can regulate as required, and the system that makes can recover under the situation of safety as soon as possible.In one embodiment of the invention, 1/5th of whole LAPD link sums are got by this unit.
Claims (6)
1, radio job flow control method in a kind of gsm system is characterized in that comprising the following steps:
(1) load of BSC is monitored, when the flow overload occurring, started the flow control flow process;
(2) forbid the upper layer message of LAPD link in proportion, until dropping to safe load;
(3) drop to safe load after, start LAPD link-recovery flow process;
(4) behind the whole LAPD links of recovery, continue the load of BSC is monitored.
2, radio job flow control method in a kind of gsm system according to claim 1 is characterized in that, described step (1) comprising:
(1) calculated load value;
(2) judge whether excess load of system, if not, then continue execution in step (1);
(3) judge excess load whether since wireless traffic cause, if not, then continue execution in step (1);
(4) judge whether well afoot of flow control, if then continue execution in step (1);
(5) otherwise start the flow control flow process.
3, radio job flow control method in a kind of gsm system according to claim 1 is characterized in that, described step (2) comprising:
(1) forbids the upper layer message of a part of LAPD link in proportion;
(2) mark is carrying out flow control;
(3) the excess load inspection is set regularly;
(4) after the excess load inspection is regularly finished, judge whether to have dropped to safe load once more,, and the LAPD link-recovery is set regularly if then Mk system begins the LAPD link-recovery;
(5) otherwise forbid a part of LAPD link upper layer message more in proportion, re-execute step (3) then.
4, radio job flow control method in a kind of gsm system according to claim 1 is characterized in that, described step (3) and (4) comprising:
(1) judges whether the LAPD link-recovery is regularly finished, if then start LAPD link-recovery flow process;
(2) the LAPD link traffic of a unit of recovery;
(3) the flow control recovering mark is set;
(4) judge whether that whole LAPD links recover,, continue the load of BSC is monitored if then remove the link-recovery sign;
(5) otherwise reset the LAPD link-recovery regularly, execution in step (1) then.
5, radio job flow control method in a kind of gsm system according to claim 1 is characterized in that the ratio in the described step (2) is 1/2nd.
6, radio job flow control method in a kind of gsm system according to claim 4 is characterized in that a described unit is 1/5th of whole LAPD link sums.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111831 CN1459985A (en) | 2002-05-21 | 2002-05-21 | Radio job flow control method in GSM system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111831 CN1459985A (en) | 2002-05-21 | 2002-05-21 | Radio job flow control method in GSM system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1459985A true CN1459985A (en) | 2003-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02111831 Pending CN1459985A (en) | 2002-05-21 | 2002-05-21 | Radio job flow control method in GSM system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429948C (en) * | 2003-12-29 | 2008-10-29 | 中兴通讯股份有限公司 | A common path signal link system overload control method |
| CN101060655B (en) * | 2006-05-17 | 2010-12-08 | 华为技术有限公司 | Channel transmission limit method and its system |
| WO2011160287A1 (en) * | 2010-06-22 | 2011-12-29 | 华为技术有限公司 | Methods and devices for controlling congestion |
| CN115442233A (en) * | 2022-08-09 | 2022-12-06 | 北京罗克维尔斯科技有限公司 | ECU upgrading method and device, electronic equipment, storage medium and vehicle |
-
2002
- 2002-05-21 CN CN 02111831 patent/CN1459985A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100429948C (en) * | 2003-12-29 | 2008-10-29 | 中兴通讯股份有限公司 | A common path signal link system overload control method |
| CN101060655B (en) * | 2006-05-17 | 2010-12-08 | 华为技术有限公司 | Channel transmission limit method and its system |
| WO2011160287A1 (en) * | 2010-06-22 | 2011-12-29 | 华为技术有限公司 | Methods and devices for controlling congestion |
| CN115442233A (en) * | 2022-08-09 | 2022-12-06 | 北京罗克维尔斯科技有限公司 | ECU upgrading method and device, electronic equipment, storage medium and vehicle |
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