CN100428822C - Method of traffic management for remote maintenance channels in mobile communication system - Google Patents
Method of traffic management for remote maintenance channels in mobile communication system Download PDFInfo
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- CN100428822C CN100428822C CNB2005100019403A CN200510001940A CN100428822C CN 100428822 C CN100428822 C CN 100428822C CN B2005100019403 A CNB2005100019403 A CN B2005100019403A CN 200510001940 A CN200510001940 A CN 200510001940A CN 100428822 C CN100428822 C CN 100428822C
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Abstract
The present invention relates to a flux managing method for a remote maintained channel in a mobile communication system, which mainly comprises the following steps: the remote maintenance channel in the mobile communication system is configured with a flux managing type based on the asynchronous transfer mode ATM protocol; maintenance data is transferred in the remote maintenance channel, based on the configured flux managing type. The invention is realized on the basis of the character of band width dynamic change of the remote maintained channel, so that additional distribution in the upgrade of a base station can be avoided conveniently and reliably. Thus, the present invention can satisfy requirement for retaining the maximum bandwidth in daily operation so as to protect an operator's benefit, and can satisfy requirement of the base station for large bandwidth in the update maintenance process. Meanwhile, the mature general ATM (asynchronous transmission mode) technique is applied, so the present invention can guarantee system compatibility and safety.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of flow managing method of mobile communication system medium-long range maintenance channel.
Background technology
In the mobile communcations system, the quantity of base station is very many, and the geographical position disperses.In the network operation maintenance process, need safeguard that therefore inquiry base station operation information, fault location and base station software upgraded etc., need the base station to have remote maintenance functions, comprises regular maintenance and upgrade maintenance etc. to these base stations.
In 3G (third generation) system, the passage of remote maintenance normally with IUB interface (being base station and radio network controller interface) service bearer on identical physical link, described physical link can be E1, T1, optical fiber or other etc.
Because maintenance channel and service bearer are on same physical link, and the bandwidth of bottom physical link is fixed, simultaneously, in real network, the IUB interface bandwidth also is very limited.Therefore, can carry more business in order to guarantee mobile communication system, the bandwidth that just needs maintenance channel to take is the smaller the better.Yet, when upgraded in the base station, also need just base station software to be downloaded to the base station at short notice, at this moment, the bandwidth that needs maintenance channel to take again is The more the better, otherwise, with being difficult in to finish in the short time upgrade maintenance is carried out in the huge base station of quantity.
A kind of method that adopts is the needs according to base station regular maintenance and upgrade maintenance at present, is the fixing bandwidth of this maintenance channel configuration, utilizes the flow of fixing bandwidth control maintenance channel.Obviously, be the fixing bandwidth of this maintenance channel configuration, will have following weak point:
Because base station regular maintenance and upgrading base station are safeguarded the bandwidth requirement to maintenance channel very big difference is arranged, therefore both contradiction is difficult to be in harmonious proportion, promptly be difficult to by selecting a fixing maintenance channel bandwidth to reach not only can to satisfy to safeguard the needs but also the ideal effect of waste bandwidth resource not:, can't satisfy the upgrade maintenance demand of base station if the maintenance channel band width configuration is too little; If the maintenance channel band width configuration is too big, in normal operation and regular maintenance, the waste that has bandwidth resources is arranged, diminish benefits of operators.
The another kind of method that adopts is at present: when normal operation, according to base station regular maintenance needs, be the less bandwidth of maintenance channel configuration.When needs are upgraded, be the bigger bandwidth of maintenance channel configuration again.This method can solve the preceding existing problem of a kind of method, but in actual application, then there is following shortcoming in the interim method of revising the maintenance channel bandwidth during this upgrading:
Because the configuration that will increase bandwidth before upgrading after upgrading is finished, also needs to reduce the configuration of bandwidth, and need the number of base stations safeguarded huge usually, therefore, what cause bandwidth reconfigures that process operation is more loaded down with trivial details, workload is bigger;
Simultaneously, because this method needs to revise base station configuration data in escalation process, therefore strengthened upgrading base station and safeguarded the risk of failing.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the flow managing method that the purpose of this invention is to provide a kind of mobile communication system medium-long range maintenance channel, thereby be implemented in when carrying out remote maintenance, the bandwidth resources in the neither waste system can satisfy the bandwidth needs that difference is safeguarded type again.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of flow managing method of mobile communication system medium-long range maintenance channel, comprising:
A, be mobile communication system medium-long range maintenance channel configuration traffic management type based on the asynchronous transfer mode ATM agreement; Described traffic management type comprises: professional rtVBR.3 traffic management type of the third real-time variable bit rate or the professional nrtVBR.3 traffic management of the third Non-Real Time Variable Bit Rate type, and the corresponding flow way to manage is: leak bucket for first order cell in violation of rules and regulations based on the first order of Peak Cell Rate PCR, if Cell Loss Priority CLP=0, then marking, if CLP=1 then abandons; Leak the cell of bucket based on the second level of Sustainable cell rate SCR for CLP=0, the violator, marking for the cell of CLP=1, is not handled;
B, in described remote maintenance channels based on the configuration the traffic management type carry out the transmission of service data.
Described steps A also comprises:
The first order of configuration traffic management type leaks the corresponding Peak Cell Rate of bucket and the corresponding average cell rate parameter information of bucket is leaked in the second level.
Described step B comprises:
The cell that is carrying service data information is transmitted in described remote maintenance channels;
When cell rate greater than average cell rate and when being less than or equal to Peak Cell Rate, if enough bandwidth resources are arranged, then allow described cell in remote maintenance channels, to transmit.
Described step B also comprises: when cell rate greater than average cell rate and when being less than or equal to Peak Cell Rate, if there are not enough bandwidth resources, then the cell with CLP=0 in the described cell is labeled as CLP=1, and the cell of CLP=1 is abandoned.
Described service data comprises:
Regular maintenance data or upgrade maintenance data at base stations in mobile communication system.
Described mobile communication system is:
With ATM as bottom host-host protocol, mobile communication system to transmit based on the Internet protocol IP over ATM mode of ATM agreement.
As seen from the above technical solution provided by the invention, the characteristic that the present invention changes for the Bandwidth Dynamic based on remote maintenance channels utilizes ATM protocol traffic management type to realize, thereby make and in the upgrading base station process, need not carry out the additional configuration operation, convenient and reliable; And, both can satisfy in the daily operation process demand that keeps maximum bandwidth for professional, with the protection benefits of operators, can satisfy again the requirement that needs in the upgrade maintenance process provide big bandwidth is carried out in the base station.Therefore, the present invention can accelerate the upgrading processing process of base station effectively, and reduces the risk of upgrading base station, and the time of base station break in service, thereby improves the quality of maintenance service.
Simultaneously, also because the present invention uses ripe general ATM (asynchronous transfer mode) transmission technology realization, thereby can guarantee the compatibility and the fail safe of system well.
Embodiment
Core concept of the present invention is to adopt the flow of controlling at mobile communication system medium-long range maintenance channel based on the flow control technique of ATM agreement to carry out control and management, the present invention be applicable to all with ATM as the bottom host-host protocol, with IP over ATM mode system for transmitting, comprise the 3G system.
The IUB of 3G system interface is based on the ATM transmission, and the atm network flow control technique can provide different QoS (service quality) to network application.
Comprise following two kinds of grades of service in the business system that the ATM layer is provided:
Rt-VBR: real-time variable bit rate business;
Nrt-VBR: Non-Real Time Variable Bit Rate business;
The atm network flow control technique has been stipulated the flow parameter of two kinds of types of service, has also stipulated how two-stage leakage bucket is handled the promise breaking cell in the business, has promptly stipulated the traffic management mode of various traffic management types simultaneously, and is as shown in table 1:
Table 1
| Type of service | Flow is described | Parameter 1 | Parameter 2 | Parameter 3 | Parameter 4 | Describe in detail |
| ...... | ...... | ...... | ...... | ...... | ...... | ...... |
| NrtVBR.3 | CLPTaggingScr | CLP0 1Pcr | CLP0Scr | Mbs | The first order is leaked bucket effectively, for first order cell in violation of rules and regulations, and CLP=0, marking, CLP=1 abandons; Bucket is leaked effectively in the second level, for the cell of CLP=0, violator, marking. | |
| ... | ... | ... | ... | ... | ... | ... |
| RtVBR.3 | CLPTaggingScr Cdvt | CLP0 1Pcr | CLP0Scr | Mbs | Cdvt | The first order is leaked bucket effectively, for first order cell in violation of rules and regulations, and CLP=0, marking, CLP=1 abandons; Bucket is leaked effectively in the second level, for the cell of CLP=0, violator, marking. |
| ...... | ...... | ...... | ...... | ...... | ...... | ...... |
Described marker cell is meant the cell for Cell Loss Priority CLP=0, CLP is changed into the cell of CLP=1 mark, represent that it does not meet the flow agreement, but still have enough bandwidth to use at present for it, when the not enough situation of bandwidth resources occurring, did abandoning that the cell (being the cell of CLP=1) of mark will at first be allowed a choice.
Described dropped cell is a kind of processing that the cell of violating the flow agreement is taked, and is the cell of doing mark is done discard processing.
Described PCR (Peak Cell Rate, Peak cell rate) is: suppose to have two orders in same physical layer Service Access point place transmission ATM cell, if these two actual poor words of t that are of minimum arrival that order is allowed, then its inverse has just been represented PCR, just the user is to connecting the maximum rate that sends cell, and the first order is leaked the PCR that bucket just is used to control the cell transmission.
Described SCR (Sustainable cell rate, Sustainable cell rate, be average cell rate) stipulated the upper limit of average transfer rate, in this case, all networks can be reserved the speed rather than the peak rate of SCR regulation, and can guarantee that cell loss ratio is limited in the scope that is allowed.
Based on the flow control technique of above-mentioned ATM agreement, the specific implementation of method of the present invention specifically comprises:
At first, be the traffic management type of described remote maintenance channels configuration based on the ATM agreement;
By the analysis of front to ATM protocol traffic management type, find rtVBR.3 traffic management type and nrtVBR.3 traffic management type and the service data in the remote maintenance channels is carried out the flow control management than being more suitable for, promptly when supporting SCR, also support the PCR bigger than SCR, and, to the concrete processing mode of cell be:
The first order of PCR-based is leaked bucket for first order cell in violation of rules and regulations, if CLP=0, then marking is if CLP=1 then abandons;
Leak the cell of bucket based on the second level of SCR for CLP=0, the violator, marking for the cell of CLP=1, is not handled;
That is to say that above-mentioned two kinds of traffic management type maximums can output speed be the cell of PCR, wherein, the cell rate of CLP=0 is SCR, and the cell rate of CLP=1 can deduct SCR for PCR.The cell of described CLP=1, can handle in follow-up traffic management process according to the band width in physical resource situation, when bandwidth resources were not enough, this class was done abandoning that the cell of mark will at first be allowed a choice, when bandwidth resources were enough, these cells then can pass through safely.
Disposed after the described traffic management type, the cell of the transmission in the remote maintenance channels just can carry out the control and management of cell flow based on the channel capacity way to manage of the traffic management type correspondence that disposes;
Usually in the regular maintenance process of base station, because the regular maintenance data volume is less, therefore only need promptly can satisfy the demand based on the less bandwidth of SCR, this mobile communication system in daily data transmission procedure should guarantee;
And when carrying out the upgrading base station operation, because the upgrade maintenance data volume is bigger, therefore need the bigger bandwidth of PCR-based can be to satisfy the demand, simultaneously, because when carrying out the upgrading base station operation, usually will not have professional transmission in the system, therefore will have the PCR of enough band width in physical resource assurance cell transmission, so the bandwidth safety that the upgrade maintenance data can be bigger will be passed through remote maintenance channels;
That is to say that according to the traffic management mode of rtVBR.3 and nrtVBR.3 traffic management type as can be known, the remote maintaining base station channel arrangement can guarantee to carry out with the speed that is not less than SCR the transmission of regular maintenance cell when regular maintenance; And when upgrading base station, then can carry out flow control to the cell that transmits in the passage by PCR, as long as described flow is no more than band width in physical;
In sum, realization of the present invention, not only can satisfy in regular maintenance operation process for professional and keep maximum bandwidth resources, but also needed bigger bandwidth resources can satisfy upgrading base station and safeguard the time guarantee that upgrade maintenance can carry out fast smoothly.Therefore, the present invention can guarantee the efficient use of physical link, has protected benefits of operators well.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (6)
1, a kind of flow managing method of mobile communication system medium-long range maintenance channel is characterized in that, comprising:
A, be mobile communication system medium-long range maintenance channel configuration traffic management type based on the asynchronous transfer mode ATM agreement; Described traffic management type comprises: professional rtVBR.3 traffic management type of the third real-time variable bit rate or the professional nrtVBR.3 traffic management of the third Non-Real Time Variable Bit Rate type, and the corresponding flow way to manage is: leak bucket for first order cell in violation of rules and regulations based on the first order of Peak Cell Rate PCR, if Cell Loss Priority CLP=0, then marking, if CLP=1 then abandons; Leak the cell of bucket based on the second level of Sustainable cell rate SCR for CLP=0, the violator, marking for the cell of CLP=1, is not handled;
B, in described remote maintenance channels, based on the configuration the traffic management type carry out the transmission of service data.
2, the flow managing method of mobile communication system medium-long range maintenance channel according to claim 1 is characterized in that, described steps A also comprises:
The first order that disposes described traffic management type is leaked a corresponding Peak Cell Rate of bucket and the corresponding average cell rate parameter information of second level leakage bucket.
3, the flow managing method of mobile communication system medium-long range maintenance channel according to claim 2 is characterized in that, described step B comprises:
The cell that is carrying service data information is transmitted in described remote maintenance channels;
When cell rate greater than average cell rate and when being less than or equal to Peak Cell Rate, if enough bandwidth resources are arranged, then allow described cell in remote maintenance channels, to transmit.
4, the flow managing method of mobile communication system medium-long range maintenance channel according to claim 3 is characterized in that, described step B also comprises:
When cell rate greater than average cell rate and when being less than or equal to Peak Cell Rate, if there are not enough bandwidth resources, then the cell with CLP=0 in the described cell is labeled as CLP=1, and the cell of CLP=1 is abandoned.
5, the flow managing method of mobile communication system medium-long range maintenance channel according to claim 1 is characterized in that, described service data comprises:
Regular maintenance data or upgrade maintenance data at base stations in mobile communication system.
6, the flow managing method of mobile communication system medium-long range maintenance channel according to claim 1 is characterized in that, described mobile communication system is:
With ATM as bottom host-host protocol, mobile communication system to transmit based on the Internet protocol IP over ATM mode of ATM agreement.
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| CNB2005100019403A CN100428822C (en) | 2005-01-12 | 2005-01-12 | Method of traffic management for remote maintenance channels in mobile communication system |
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| CNB2005100019403A CN100428822C (en) | 2005-01-12 | 2005-01-12 | Method of traffic management for remote maintenance channels in mobile communication system |
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| CN1805580A CN1805580A (en) | 2006-07-19 |
| CN100428822C true CN100428822C (en) | 2008-10-22 |
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Citations (5)
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|---|---|---|---|---|
| WO1993011622A1 (en) * | 1991-11-28 | 1993-06-10 | Italtel Societa' Italiana Telecomunicazioni S.P.A. | Disposition of a plurality of policing units for the policing of cell flow traffic parameters in an atm switching network, and relating method |
| US5524006A (en) * | 1995-02-15 | 1996-06-04 | Motorola, Inc. | Second-order leaky bucket device and method for traffic management in cell relay networks |
| US5796956A (en) * | 1994-03-18 | 1998-08-18 | General Datacomm Advanced Research Centre Limited | ATM cell switch |
| CN1445947A (en) * | 2002-05-13 | 2003-10-01 | 大唐移动通信设备有限公司 | Automatic building method for realizing specific operation maintenance channel in 3G base station |
| CN1459941A (en) * | 2002-05-22 | 2003-12-03 | 华为技术有限公司 | Automatic set-up method of base station operation maintenance passage in third generation mobile communication system |
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2005
- 2005-01-12 CN CNB2005100019403A patent/CN100428822C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993011622A1 (en) * | 1991-11-28 | 1993-06-10 | Italtel Societa' Italiana Telecomunicazioni S.P.A. | Disposition of a plurality of policing units for the policing of cell flow traffic parameters in an atm switching network, and relating method |
| US5796956A (en) * | 1994-03-18 | 1998-08-18 | General Datacomm Advanced Research Centre Limited | ATM cell switch |
| US5524006A (en) * | 1995-02-15 | 1996-06-04 | Motorola, Inc. | Second-order leaky bucket device and method for traffic management in cell relay networks |
| CN1445947A (en) * | 2002-05-13 | 2003-10-01 | 大唐移动通信设备有限公司 | Automatic building method for realizing specific operation maintenance channel in 3G base station |
| CN1459941A (en) * | 2002-05-22 | 2003-12-03 | 华为技术有限公司 | Automatic set-up method of base station operation maintenance passage in third generation mobile communication system |
Non-Patent Citations (2)
| Title |
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| ATM网络流量管理概述. 任丰源，李娜，王福豹.航空电子技术. 1999 |
| ATM网络流量管理概述. 任丰源，李娜，王福豹.航空电子技术. 1999 * |
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