CN100542348C - Service signal transmission rate adjusting method and system thereof - Google Patents
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Abstract
The present invention relates to the communications field, disclose a kind of service signal transmission rate adjusting method and system thereof, the feasible bandwidth resources that more fully effectively utilize Iub interface.Among the present invention,, and surpass the first predetermined thresholding, promptly during overload threshold, reduce the transmission bandwidth of the BE service signal on the Iub interface in the bandwidth usage of the Iub interface that is in normal state by the bandwidth usage of monitoring Iub interface; On the other hand, be lower than second thresholding in the bandwidth usage of Iub interface that is in the overload attitude, when promptly recovering thresholding, with the BE business reorganization on the Iub interface to its standard bandwidth.
Description
Technical field
The present invention relates to the communications field, be particularly related to the service signal transmission rate control technology on the standard interface (being called for short " Iub interface ") between the radio network controller and base station in Wideband Code Division Multiple Access (WCDMA) (Wideband Code DivisionMultiple Access, be called for short " the WCDMA ") communication system.
Background technology
3G (Third Generation) Moblie (The Third Generation is called for short " 3G ") technology can provide service for multimedia communication better.By high quality graphic and the video that this technology provides, interpersonal communication capacity is further strengthened, make that the information on public network and the private network strengthens greatly with professional access capability.
The core technology of 3G mainly contains 3 classes: WCDMA, CDMA 2000 (Code DivisionMultiple Access 2000, be called for short " CDMA2000 ") and TD SDMA (TimeDivision Synchronous Code Division Multiple Access is called for short " TD-SCDMA ").Wherein, be WCDMA in the most popular key technology in the Asia and the Asian-Pacific area at present.
WCDMA is the cdma system that adopts direct sequence spread spectrum (DSSS) technology, and it expands to user bandwidth more than 1000 times by spreading code, expands channel width to 5mHz.According to information-theoretical theory, can under the situation of low signal-to-noise ratio very, transmit information reliably like this with same transmission rate.Strengthen antijamming capability greatly, realize code division multiple access, can support various user data rate.
WCDMA can carry four kinds of different COS: conversation type, stream type, type of interaction and backstage type.
Modal application is the voice service on circuit-switched bearers in the conversation type business.With regard to internet and multimedia, this type service of many new application needs.For example real-time phone such as IP phone and video telephone, and video-game.The characteristics of phone are that end-to-end time delay is little in real time, and traffic carrying capacity is or almost is symmetrical.Maximum allow end-to-end time delay will according to the people to video and audio session feel decide.So acceptable time delay tolerance limit is strict,, will cause quality of service to accept if can not guarantee enough low time delay.
The stream type business is the technology that can be processed into stable and a continuous flow data.Along with the internet development, considerable user does not have sufficiently high access speed to insert quick-downloading big multimedia file.Therefore the stream technology is more and more important.Adopt the stream technology, client browser or plug-in unit can be transmitted at whole file and begin video data between finishing.In order can to work, receive data client and must can collect data, and convert thereof into stable, spread and pass application program uniformly, application program while deal with data is converted into sound or picture.It is asymmetric that stream is used, and therefore, it is compared with the telephone service of symmetry, and application can be born bigger time delay, can bear bigger transmission shake.Can be easy to level and smooth shake by buffer memory.
The type of interaction business is a kind of typical data communication mechanism.Its evident characteristic is, terminal use's request---respond this pattern.The arrival of entity expected message (response) within certain hour is arranged at information receiving end.Therefore, round-trip delay is a very crucial attribute.The example of people and remote equipment interaction has: web page browsing, database retrieval and server insert.The example of machine and remote equipment interaction has: poll surveying record and automaticdata library inquiry.
The backstage type service is a kind of typical data communication form, and characteristics are that gathering data arrival is not expected in the destination at the appointed time, that is, insensitive to transmitting time.In addition, grouped data does not need to transmit pellucidly, but data must receive on zero defect ground.Such as the transmission of Email, short message service (ShortMessage Service is called for short " SMS "), database is downloaded and the data services such as reception of surveying record are used and do not needed to move immediately, therefore can be classified as the backstage type service.
Generally speaking, in above-mentioned different service types, type of interaction is professional to have characteristics such as sudden, that the rate dynamic excursion is big with the backstage type service, this class business is insensitive to propagation delay time, transmission bandwidth is not strict with, belong to as possible (Best Effort is called for short " the BE ") business of transmitting.In contrast, conversation type business and stream type business are distributed fixed-bandwidth to the delay requirement height to this class service needed, can not arbitrarily change.
Service quality (Quality of Service is called for short " QoS ") is to be various communication services, comprises data, image, speech, multimedia or the like, and providing reliably end to end, service quality guarantees.Concrete QOS problem mainly contains: time delay, and promptly the IP packets of information is from sending to the time interval of reception; Shake, i.e. the variation of different grouping (packets of information) propagation delay time in data flow on the paths; Packet loss, promptly when network congestion, certain business is permissible maximum packet loss in network.
In above-mentioned four kinds of types of service, because aspects such as the transmission rate that requires, time delay, shake require difference, so its Qos requires also inequality.
In the WCDMA system, transfer of data need be passed through Access Layer and Non-Access Stratum.Wherein, when Access Layer transmits, subscriber equipment such as mobile phone (User Equipment, be called for short " UE ") need through base-station node (Node Base Station, abbreviation " NodeB ") air wireless interface transmission, NodeB and radio network controller transmit through special line between (Radio Network Controller is called for short " RNC ") again.
This special line is commonly referred to Iub interface.The Iub leased-line interface can be wired, as cable or optical cable, also can be wireless, as via satellite or microwave.As everyone knows, Iub special line bandwidth is limited, and very expensive.Generally the application according to each operator distributes a fixing bandwidth, and transport service how in this fixed-bandwidth is determined by each operator oneself.This shows that how fully, effectively in conjunction with the business characteristic of current system, making full use of the Iub bandwidth and be operator's customer satisfaction that offers the best is a crucial problem.
The method that often adopts is at present, when a new user inserts, directly the Iub interface bandwidth is carried out access and judges, if after this new user inserts, has surpassed the maximum bandwidth of Iub interface, does not then allow to insert; On the contrary, if be no more than the maximum bandwidth of Iub interface after inserting, then allow to insert this business.
In actual applications, there is following problem in such scheme: promptly can't provide effective service to high-level business to greatest extent under the bandwidth resources condition of limited.
Cause the main cause of this situation to be, in the prior art, do not consider the service conditions in the current system, be the user's actual conditions in the current system, with the resource of Iub interface fully and the system business actual conditions separate, miscellaneous service in the system is equated, do not treat with a certain discrimination at the characteristics of WCDMA system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of service signal transmission rate adjusting method and system thereof, can more fully effectively utilize the bandwidth resources of Iub interface, for high-level business provides better service.
For achieving the above object, the invention provides a kind of service signal transmission rate adjusting method, comprise following steps:
A is in the bandwidth usage of the transport layer monitoring wireless network controller of radio network controller side and the standard interface (Iub interface) between the base station, and judge whether the current bandwidth occupancy surpasses the first predetermined thresholding, and current Interface status is a normal state, if, then the transmission bandwidth of transmitting service signal as possible on the described Iub interface is adjusted to the level that is lower than its standard bandwidth, and described Interface status is adjusted into the overload attitude.
Wherein, described method also comprises following steps:
B is in the bandwidth usage of the transport layer monitoring Iub interface of radio network controller side, and judge whether the current bandwidth occupancy is lower than predetermined second threshold, and current Interface status is the overload attitude, if, then the transmission bandwidth of transmitting service signal as possible on the described Iub interface is adjusted to its standard bandwidth, and described Interface status is adjusted into normal state, wherein
Described second thresholding is less than or equal to described first thresholding.
In addition, in the described steps A, realize that in the following manner the transmission bandwidth will transmit service signal as possible adjusts to the level that is lower than its standard bandwidth:
Reduce the one or more current transmission bandwidth of transmitting service signal as possible on the described Iub interface; Or
One or more current transmission rates of transmitting service signal as possible on the described Iub interface are reduced to 0; Or
Discharge the one or more business of transmitting as possible on the described Iub interface.
In addition, the bandwidth usage of described Iub interface is the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth.
In addition, described first thresholding can be 95%, and,
Described second thresholding can be 90%.
The present invention also provides a kind of service signal transmission rate Adjustment System, comprises:
Be positioned at the width monitoring module and the bandwidth adjusting module of radio network controller transport layer,
Described width monitoring module is used for the bandwidth usage at the transport layer monitoring Iub interface of radio network controller side, and whether the current bandwidth occupancy of judging this Iub interface surpasses the first predetermined thresholding, and the Interface status of this Iub interface is a normal state, if, then send first bandwidth and adjust signal, and Interface status is adjusted into the overload attitude to described bandwidth adjusting module;
Described bandwidth adjusting module is used for the transmission bandwidth of transmitting service signal as possible of Iub interface is adjusted, and when receiving that described first bandwidth is adjusted signal, the transmission bandwidth of transmitting service signal is as possible adjusted to the level that is lower than its standard bandwidth.
Wherein, described width monitoring module is used to also judge whether the current bandwidth occupancy of described Iub interface is lower than predetermined second threshold, and the Interface status of this Iub interface is the overload attitude, if, then send second bandwidth and adjust signal, and Interface status is adjusted into normal state to described bandwidth adjusting module;
Described bandwidth adjusting module also is used for when receiving that described second bandwidth is adjusted signal the transmission bandwidth of transmitting service signal as possible being adjusted to its standard bandwidth.
In addition, the described bandwidth adjusting module transmission bandwidth that will transmit service signal is in the following manner as possible adjusted to the level that is lower than its standard bandwidth:
Reduce the one or more current transmission bandwidth of transmitting service signal as possible on the described Iub interface; Or
One or more current transmission rates of transmitting service signal as possible on the described Iub interface are reduced to 0;
Discharge the one or more business of transmitting as possible on the described Iub interface.
In addition, the bandwidth usage of described Iub interface can be the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth, also can be the absolute figure of the current occupied bandwidth of this Iub interface.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, bandwidth usage by the monitoring Iub interface, and surpass the first predetermined thresholding in the bandwidth usage of the Iub interface that is in normal state, when being overload threshold, reduce the transmission bandwidth of the BE service signal on the Iub interface; On the other hand, be lower than second thresholding in the bandwidth usage of Iub interface that is in the overload attitude, when promptly recovering thresholding, with the BE business reorganization on the Iub interface to its standard bandwidth.
Difference on this technical scheme, brought comparatively significantly beneficial effect, promptly can in time monitor the bandwidth occupancy state of Iub interface, and when the bandwidth resources of Iub interface are nervous, dynamically the signal transmission bandwidth of the lower BE business of quality of service requirement is adjusted, guarantee under Iub interface bandwidth resources condition of limited, to guarantee the service quality of higher level service as possible.Thus, more fully effectively utilize the bandwidth resources of Iub interface.
Description of drawings
Fig. 1 is the principle schematic according to service signal transmission rate adjusting method of the present invention;
Fig. 2 is the schematic flow sheet according to the service signal transmission rate adjusting method of the first embodiment of the present invention;
Fig. 3 is the overload attitude and the normal state schematic diagram of Iub interface among the present invention;
Fig. 4 is the structural representation of service signal transmission rate Adjustment System according to a second embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, generally speaking, principle of the present invention is, at first at step 110 place, the bandwidth usage of Iub interface is monitored, judge whether the bandwidth usage on this interface surpasses predefined first thresholding, and the Interface status of this Iub interface is in " normal state ", if satisfy this two conditions, then execution in step 130, manage transmission bandwidth with the BE service signal on this Iub interface and are reduced to and are lower than the standard bandwidth level; In addition, judge whether this bandwidth usage is lower than second thresholding, and Interface status is in " overload attitude ", if satisfy this two conditions, then execution in step 140, manage its standard bandwidth is with in the transmission bandwidth adjustment of the EB service signal on this Iub interface, and Interface status is set to " normal state ".Thus, when the Iub interface occupancy is too high, can guarantee service quality, realize dynamic adjustment the different business transmission bandwidth by in time adjusting the transmission bandwidth of BE service signal to the higher relatively business of band width service.Thus, under band-limited situation, provide effective service to high-level business to greatest extent.
Need to prove that in 4 kinds of types of service that WCDMA carried, type of interaction and backstage type service belong to the BE business.
Below with reference to Fig. 2, further the service signal transmission rate adjusting method to the first embodiment of the present invention is explained and illustrated.
Need before this bandwidth usage of Iub interface is illustrated that this parameter is used to represent the operating position of the bandwidth of Iub interface, and multiple method for expressing can be arranged.In the present embodiment, bandwidth usage is the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth.
As shown in the figure, before Iub interface is monitored,, set in advance the overload threshold of Iub interface, i.e. first thresholding, and recovery thresholding, i.e. second thresholding at first respectively in step 210 and 220; And it is tactful to set in advance the reduction of BE service signal transmission bandwidth.Need explanation the time, above-mentioned recovery thresholding is less than or equal to overload threshold.
Overload threshold can be set and adjust with the recovery thresholding according to different requirements is artificial, and in the present embodiment, overload threshold is set to 95%, and will recover threshold setting is 90%.
And BE service signal transmission bandwidth reduces strategy and is meant the specific implementation of hereinafter adjusting BE service signal transmission bandwidth.In the present embodiment, following 3 kinds of options are arranged:
1. the current transmission bandwidth of the one or more BE service signals on the reduction Iub interface;
2. the current transmission rate with the one or more BE service signals on the Iub interface is reduced to 0;
3. one or more BE business on the release Iub interface.
In according to other embodiments of the invention, can also adopt other modes, all be fine as long as can reduce the mode of BE service signal transmission bandwidth.
After finishing overload threshold, recovering thresholding and BE service signal transmission bandwidth and reduce being provided with of strategy to Iub interface, enter step 230, monitor the bandwidth usage of Iub interface in the transport layer of RNC side, and judge that in step 240 whether the current bandwidth occupancy surpasses predetermined overload threshold, simultaneously, whether current Interface status is normal state.If satisfy above-mentioned condition, then enter step 250, the transmission bandwidth of the BE service signal on the Iub interface is adjusted to the level that is lower than its standard bandwidth, and described Interface status is adjusted into the overload attitude.By this step as seen, in the present embodiment, owing to can in time monitor the Interface status and the bandwidth usage of Iub interface, when Iub interface enters the overload attitude, can adjust the transmission bandwidth of BE service signal immediately, guarantee bandwidth level that higher level service is provided thus, ensure the service quality of higher level service to greatest extent.
In addition, in step 240, whether the current bandwidth occupancy of also further judging Iub interface is lower than predetermined recovery thresholding, and current Interface status is the overload attitude, if, then enter step 260, the transmission bandwidth of the BE service signal on the Iub interface is adjusted to its standard bandwidth, and described Interface status is adjusted into normal state.By this step, when the Interface status of Iub interface returns to normal state by the overload attitude, will in time adjust the transmission bandwidth of the BE service signal on the Iub interface, recover its standard bandwidth, will not influence the service quality of higher level service this moment.
It is to be noted, if be in the Iub interface of overload attitude the bandwidth occupancy rate has appearred above overload threshold, or the Iub interface that is in normal state the bandwidth occupancy rate occurs and is lower than the recovery thresholding, then thinks the concussion of a bandwidth, do not need to do any processing in the present invention.Specifically, as shown in Figure 3, at the A point, the bandwidth occupancy rate of Iub interface has surpassed overload threshold, i.e. first thresholding, and then current I ub interface is the overload attitude; At the B point, the bandwidth occupancy rate of Iub interface is lower than the recovery thresholding, i.e. second thresholding, and then the bandwidth occupancy situation of current I ub interface is a normal state; At the C point, the occupancy that is in the Iub interface of normal state is reduced to and is lower than second thresholding, then is the normal concussion of a bandwidth occupancy.
Fig. 4 illustrates service signal transmission rate Adjustment System according to a second embodiment of the present invention.As shown in the figure, this service signal transmission rate Adjustment System comprises width monitoring module and bandwidth adjusting module, and two modules all are positioned at the RNC transport layer.
The width monitoring module is responsible for the bandwidth usage at the transport layer monitoring Iub interface of RNC side, and whether the current bandwidth occupancy of judging this Iub interface surpasses the first predetermined thresholding, it is overload threshold, meanwhile, whether the Interface status of this Iub interface is normal state, if then send first bandwidth and adjust signal, and Interface status is adjusted into the overload attitude to the bandwidth adjusting module.Need to prove that first bandwidth is adjusted signal and is used for the level of transmission bandwidth that requirement bandwidth adjusting module reduces the BE service signal of Iub interface.
First bandwidth that the bandwidth adjusting module is used to receive from the width monitoring module is adjusted signal, the transmission bandwidth of BE service signal is adjusted to the level that is lower than its standard bandwidth.Thus, by realizing flexible control, guarantee when limited bandwidth, to guarantee the service quality of higher level service to the transmission bandwidth of BE service signal as far as possible.
As mentioned above, bandwidth adjusting module among the present invention can be by reducing the one or more BE service signals on the described Iub interface current transmission bandwidth or the current transmission rate of the one or more BE service signals on the described Iub interface is reduced to 0 or discharge one or more BE business on the described Iub interface, realize the transmission bandwidth of BE service signal is adjusted to the purpose of the level that is lower than its standard bandwidth.
In the third embodiment of the present invention, on the basis of second embodiment, the width monitoring module is used to also judge whether the current bandwidth occupancy of described Iub interface is lower than predetermined second threshold, promptly recover thresholding, and whether the Interface status of this Iub interface is the overload attitude, if then send second bandwidth and adjust signal, and Interface status is adjusted into normal state to described bandwidth adjusting module.Herein second bandwidth is adjusted signal and is used for the level of standard bandwidth that requirement bandwidth adjusting module recovers the transmission bandwidth of BE service signal.In the second and the 3rd embodiment, bandwidth usage is the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth.It is that 95%, the second thresholding is 90% that first thresholding for example can be set.
In this situation west, second bandwidth that the bandwidth adjusting module among the 3rd embodiment also is used to receive from the width monitoring module is adjusted signal, and the transmission bandwidth of BE service signal is adjusted to its standard bandwidth.
The structure of the service signal transmission rate Adjustment System that the present invention proposes has been described by the second and the 3rd embodiment above.Be example with the 3rd embodiment below, the dynamic duty process of this service signal transmission rate Adjustment System is described.
The width monitoring module is in the bandwidth usage of the transport layer monitoring Iub interface of RNC side, and judge whether the current bandwidth occupancy surpasses predetermined overload threshold, simultaneously, whether current Interface status is normal state, if, then the Interface status with Iub interface is adjusted into the overload attitude, and sends first bandwidth adjustment signal to the bandwidth adjusting module.The bandwidth adjusting module is adjusted to the level that is lower than its standard bandwidth with the transmission bandwidth of the BE service signal on the Iub interface after receiving that first bandwidth is adjusted signal.Thus, when Iub interface entered the overload attitude, the present invention can adjust the transmission bandwidth of BE service signal immediately, improves the bandwidth level that higher level service is provided thus, ensures the service quality of higher level service to greatest extent.On the other hand, the width monitoring module also in the bandwidth usage of monitoring Iub interface simultaneously, whether the current bandwidth occupancy of judging Iub interface is lower than predetermined recovery thresholding, and current Interface status is the overload attitude, if, then described Interface status is adjusted into normal state, and the transmission bandwidth of the BE service signal on the Iub interface is adjusted to its standard bandwidth.Thus, when the Interface status of Iub interface returned to normal state by the overload attitude, the transmission bandwidth of the BE service signal on the Iub interface can in time obtain adjusting, and recovers its standard bandwidth.
In the 4th embodiment of the present invention, on the basis of the 3rd embodiment, change bandwidth usage into the absolute value mode from the ratio mode.For example, when the Iub interface total bandwidth was 2M, it was 1.9M that first thresholding can be set, and second thresholding is 1.85M.
By above-mentioned explanation and explanation, be appreciated that the present invention can more fully effectively utilize the bandwidth resources of Iub interface, guarantees the service quality of high-level business as far as possible under the bandwidth resources condition of limited of Iub interface.
Though by with reference to some preferred embodiment of the present invention, the present invention is illustrated and describes, those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (8)
1. a service signal transmission rate adjusting method is characterized in that, comprises following steps:
A is in the bandwidth usage of the transport layer monitoring wireless network controller and the standard interface Iub interface between the base station of radio network controller side, and judge whether the current bandwidth occupancy surpasses the first predetermined thresholding, and current Interface status is a normal state, if, then the transmission bandwidth of transmitting service signal as possible on the described Iub interface is adjusted to the level that is lower than its standard bandwidth, and described Interface status is adjusted into the overload attitude.
B is in the bandwidth usage of the transport layer monitoring Iub interface of radio network controller side, and judge whether the current bandwidth occupancy is lower than predetermined second threshold, and current Interface status is the overload attitude, if, then the transmission bandwidth of transmitting service signal as possible on the described Iub interface is adjusted to its standard bandwidth, and described Interface status is adjusted into normal state, wherein
Described second thresholding is less than or equal to described first thresholding.
2. service signal transmission rate adjusting method according to claim 1 is characterized in that, in the described steps A, realizes that in the following manner the transmission bandwidth will transmit service signal as possible adjusts to the level that is lower than its standard bandwidth:
Reduce the one or more current transmission bandwidth of transmitting service signal as possible on the described Iub interface; Or
One or more current transmission rates of transmitting service signal as possible on the described Iub interface are reduced to 0; Or
Discharge the one or more business of transmitting as possible on the described Iub interface.
3. service signal transmission rate adjusting method according to claim 1 is characterized in that, the bandwidth usage of described Iub interface is the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth.
4. service signal transmission rate adjusting method according to claim 3 is characterized in that, described first thresholding is 95%, and described second thresholding is 90%.
5. a service signal transmission rate Adjustment System is characterized in that, comprises:
Be positioned at the width monitoring module and the bandwidth adjusting module of radio network controller transport layer,
Described width monitoring module is used for the bandwidth usage at the transport layer monitoring Iub interface of radio network controller side, and whether the current bandwidth occupancy of judging this Iub interface surpasses the first predetermined thresholding, and the Interface status of this Iub interface is a normal state, if, then send first bandwidth and adjust signal, and Interface status is adjusted into the overload attitude to described bandwidth adjusting module;
Described bandwidth adjusting module is used for the transmission bandwidth of transmitting service signal as possible of Iub interface is adjusted, and when receiving that described first bandwidth is adjusted signal, the transmission bandwidth of transmitting service signal is as possible adjusted to the level that is lower than its standard bandwidth.
Described width monitoring module is used to also judge whether the current bandwidth occupancy of described Iub interface is lower than predetermined second threshold, and the Interface status of this Iub interface is the overload attitude, if, then send second bandwidth and adjust signal, and Interface status is adjusted into normal state to described bandwidth adjusting module;
Described bandwidth adjusting module also is used for when receiving that described second bandwidth is adjusted signal the transmission bandwidth of transmitting service signal as possible being adjusted to its standard bandwidth.
6. service signal transmission rate Adjustment System according to claim 5 is characterized in that, described bandwidth adjusting module will be transmitted the transmission bandwidth of service signal in the following manner as possible and adjust to the level that is lower than its standard bandwidth:
Reduce the one or more current transmission bandwidth of transmitting service signal as possible on the described Iub interface; Or
One or more current transmission rates of transmitting service signal as possible on the described Iub interface are reduced to 0; Or
Discharge the one or more business of transmitting as possible on the described Iub interface.
7. service signal transmission rate Adjustment System according to claim 5 is characterized in that, the bandwidth usage of described Iub interface is the current occupied bandwidth of this Iub interface and the peaked ratio of its bandwidth.
8. service signal transmission rate Adjustment System according to claim 5 is characterized in that, the bandwidth usage of described Iub interface is the absolute figure of the current occupied bandwidth of this Iub interface.
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| CN100508470C (en) * | 2005-11-30 | 2009-07-01 | 华为技术有限公司 | Method for measuring IUB interface usable bandwidth and interface rate |
| CN101543112A (en) | 2006-11-28 | 2009-09-23 | 艾利森电话股份有限公司 | Enhanced flow control in a cellular telephony system |
| US7706266B2 (en) * | 2007-03-12 | 2010-04-27 | Citrix Systems, Inc. | Systems and methods of providing proxy-based quality of service |
| CN102238755A (en) * | 2010-04-26 | 2011-11-09 | 中兴通讯股份有限公司 | X2 interface self-establishing method and device |
| CN102348267A (en) * | 2010-07-28 | 2012-02-08 | 中兴通讯股份有限公司 | Uplink power control method and base station |
| CN102625360B (en) * | 2012-03-05 | 2014-09-10 | 黄东 | Method for controlling service rate in wireless network |
| CN103023795B (en) * | 2012-12-17 | 2015-09-23 | 大唐移动通信设备有限公司 | A kind of method and system based on cell condition control packet exchange rate |
| CN110086724B (en) | 2018-01-26 | 2020-11-27 | 北京金山云网络技术有限公司 | Bandwidth adjusting method and device, electronic equipment and computer readable storage medium |
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