CN1741467A - A method of radio network controller configuration channel bandwidth - Google Patents
A method of radio network controller configuration channel bandwidth Download PDFInfo
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- CN1741467A CN1741467A CN 200410076723 CN200410076723A CN1741467A CN 1741467 A CN1741467 A CN 1741467A CN 200410076723 CN200410076723 CN 200410076723 CN 200410076723 A CN200410076723 A CN 200410076723A CN 1741467 A CN1741467 A CN 1741467A
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Abstract
A method for configuring channel bandwidth on radio network controller includes receiving user service wire in request by radio network controller and judging type of requested service , configuring channel bandwidth equal to maximum speed rate of requested service and simultaneously judging whether system resource is support to configured channel bandwidth or not if requested service is real time service , picking up user ability information and configuring channel bandwidth according to user's ability as well as judging whether system resource is support to configured channel bandwidth or not if it is non - real time service .
Description
Technical field
The present invention relates to 3-G (Generation Three mobile communication system), relate in particular to a kind of method of radio network controller configuration channel bandwidth.
Background technology
3-G (Generation Three mobile communication system) has the characteristic of the business of supporting multiple service quality QoS (Quality of Service, service quality), and this is the importance that 3-G (Generation Three mobile communication system) is superior to second generation mobile communication system.According to protocol definition, all business are divided into four types, be respectively: conversation class (conversational), stream class (streaming), interactive class (interactive), and background classes (background), wherein preceding two classes are called real time business (Real Time, class (interactive) mutually, and background classes (background), wherein preceding two classes are called RT), back two classes are called BE (Best Effort, non-real-time service).
The characteristics of real time business are that the service source data rate is constant, real-time requires high, transfer of data can not produce big delay variation, for example present GSM (the Global System for MobileCommunications of typical business, global system for mobile communications) or the voice call in CDMA (Code Devision MultipleAccess, the code division multiple access) system.Satisfy the service quality of a real time business, will satisfy the channel width of its maximum rate usually for this business configuration.
And the relative real time business of non-real-time service, have service source data burst height, the characteristics that delay requirement is low allow to exist certain delay variation in the transfer of data, typical business will comprise wireless mode web page browsing, send and receive e-mail file transfer etc.That is to say that the requirement that the service quality of non-real-time service is not strict can be disposed rational channel width according to the operating position and the professional data source of resource in the system usually, not necessarily will dispose the channel width that satisfies the non-real-time service maximum rate.
In order to satisfy the ability that system supports the multi-service characteristic, system must dispose suitable channel width for different business.And the channel resource in the system is limited, the number of users that can support for the raising system, just need the collocation method of channel width when satisfying QoS, to guarantee the utilization ratio of channel resource, therefore, channel arrangement method is a key technology in the 3-G (Generation Three mobile communication system).
On the other hand, the 3-G (Generation Three mobile communication system) support is up to the business of 2Mbps (MBPS) speed, no matter this is to network system, still to user terminal (mobile phone), all need suitable ability to support, comprise the signaling processing ability of central processing unit, jumbo memory, and data processing chip etc. efficiently, and these all will greatly improve the manufacturing cost and the manufacture difficulty of system and terminal.Therefore, such possibility is arranged, from saving the angle of cost and simplification manufacture difficulty, the ability of part system and user terminal can not satisfy all business that agreement provides fully, especially true for user terminal, because cost has determined their competitiveness on market to a great extent.So when a user sets up one when professional to system request, can this business successfully set up the influence that is subjected to following factor:
1, whether remaining channel resource can provide the channel width of channel configuration algorithm for this business configuration in the system;
2, whether the ability of user terminal can support the channel width of channel configuration algorithm for this business configuration.
Prior art scheme one: set up the service parameter (for example flank speed in the service parameter) that carries in the request message according to customer service, configuration is satisfied the maximum bandwidth of professional flank speed and is given this requesting users.For instance, if the non-real-time service that a flank speed reaches X kbps is set up in user's request, then the channel configuration algorithm is just given the channel of this user's configured bandwidth X kbps.
The shortcoming of prior art one: the channel arrangement method of prior art one can satisfy the service quality of the business of user's request fully, but brought very important problem equally: because the finiteness of channel resource in the system, system can only support a limited number of users simultaneously, system's have to refuse with very high probability request of new user.In addition, also can cause the professional failure of setting up because the ability of user terminal does not support the channel width that is disposed easily.
Prior art scheme two: for real time business, according to the maximum rate configuration channel bandwidth of real time business; For non-real-time service,, identical or have a bandwidth of same ratio with respect to maximum rate for the configuration of all non-real-time services according to default setting.For instance, if the user request real time business that to set up a flank speed be Y kilobits per second (kbps), then the channel configuration algorithm just is this user channel that to dispose a bandwidth be Y kbps; The non-real-time service that it is Z kbps that if a speed is set up in user's request, then the channel configuration algorithm just is this user channel that to dispose a bandwidth be N kbps, the channel that perhaps to set up a bandwidth be a*Z kbps, wherein N is the default channel bandwidth that sets in advance, irrelevant with user's rate request size, a is that the coefficient and the user's rate request size that are between 0 to 1 that set in advance are also irrelevant.
The shortcoming of prior art two: prior art two can be adjusted the configuration of the channel width of non-real-time service flexibly by default configuration, but does not have channel resource actual available in the taking into account system, does not also consider the actual tenability of user terminal.
Summary of the invention
Technical problem to be solved of the present invention is: at radio network controller (RNC, when RadioNetwork Control) wanting the user of connecting system to carry out the configuration of channel width to certain, can take all factors into consideration the actual tenability (capability) of channel resource available in the system and user terminal, when fully guaranteeing the service quality of user's requested service, improve the success rate of subscriber access system.
For this reason, the invention provides a kind of method of radio network controller configuration channel bandwidth, its main thought is: RNC is when the channel width of configure user, if the business that the user asks to set up is a real time business, according to the maximum rate configuration channel bandwidth of real time business; During non-real-time service, then the channel arrangement method in the radio network controller is in conjunction with the characteristic that does not have minimum speed limit to require of non-real-time service, the channel width that can support according to user's ability configure user terminal; Specifically may further comprise the steps:
S1: the service access request message that receives the user;
S2: judge the type of institute's requested service, when it is real time business, carry out step S5; When it is a non-real-time service, continue;
S3: the ability information of extracting this user;
S4: according to this user's ability information configuration channel bandwidth, judge simultaneously whether system resource supports the channel width that is disposed, if insert institute's requested service; If not, refusal institute requested service;
S5: for this user configuration and the channel width that the maximum rate of institute requested service equates, judge whether system resource supports this configuration, if, access institute requested service; If not, refusal institute requested service.
Also comprise the following steps: between step S3 and the S4
S31:RNC judges when this user's ability can be supported this professional maximum rate, the channel width that equates with institute requested service maximum rate for this user's configuration;
S32:RNC judges whether system resource supports the channel width that is disposed, if insert institute's requested service; If not, carry out step S4.
Step S4 can specifically take following method to realize:
1, RNC disposes the maximum channel bandwidth that it can be supported for this user.
2, RNC sets in advance a default channel bandwidth, the maximum rate of the corresponding non-real-time service of described default channel maximum value bandwidth, the minimum-rate of the corresponding non-real-time service of minimum value; And, in step S4 RNC for this user disposes described default channel bandwidth.
3, RNC sets in advance parameter P, and described P is an arbitrary value between 0～1; And RNC is the maximum rate of institute's requested service and the product of described P for this user configured channel width among the step S4.
4, RNC sets in advance the channel width grade; And, RNC described in the step S4 according to the process of this user's ability information configuration channel bandwidth is, in described channel width grade, choose the configuration that this user capability can be supported by RNC from high to low, every selection once judges by RNC whether system's real resource supports the channel width that disposes, if, insert institute's requested service, if not, reselect and judge by RNC whether system supports again, when the minimum one-level of described channel width grade still can not be supported by system, refusal institute requested service.
The method of the invention has been considered the ability that user terminal is supported when the business configuration channel width of asking for the user, guaranteed that at first the channel width of final configuration can access the support of user terminal, avoided causing the possibility of service access failure because terminal capability is not enough; Simultaneously, channel arrangement method among the present invention is by using this mechanism that channel width disposes and system resource is adjudicated that repeats, make the new access user's that real system can be supported to be disposed channel width, improved the probability of non-real-time service success connecting system.
Description of drawings
Fig. 1 is a kind of representative network structure of mobile communication system;
Fig. 2 carries out the flow chart one of channel configuration for radio network controller of the present invention;
Fig. 3 carries out the flowchart 2 of channel configuration for radio network controller of the present invention.
Embodiment
As shown in Figure 1, for a kind of representative network structure of mobile communication system, by the request of the concrete process user access service of RNC.
As shown in Figure 2, concrete technical scheme is described in detail as follows:
RNC obtains user's service access request, obtains the QoS attribute of user's request from request message.What here, we mainly paid close attention to is professional type and professional speed attribute.
If type of service is a real time business, whether the channel width that RNC then disposes and professional maximum rate equates can support the channel width that disposes according to the resource operating position decision system of system's reality again.If can support, then should business successfully be linked into system, if otherwise service access failure.
If business is a non-real-time service, RNC obtains user's ability information (user capability), and this information is directly asked to set up the professional message from the user by RNC and extracted, the section of having content representation user's ability information specially in the message.The user capability information here comprises at least: maximum transport format (TF) number that the user supports, maximum tfc (TFC) number, the data volume that the user can handle in the unit interval etc.
The channel width that RNC is supported according to user capability configure user ability, again according to the resource operating position of system's reality, whether decision system can support the channel width that disposes.If can support, then should business successfully be linked into system, if otherwise service access failure.
RNC comes configuration channel bandwidth that following several method can be arranged according to user capability:
Method one: the maximum channel bandwidth that the configure user ability can be supported.That is to say that the channel width of configuration equals the channel width of maximum rate correspondence of user's requested service and the minimum value of the maximum channel bandwidth that user capability is supported.
Method two: RNC is provided with a default channel width R.If user capability can not be supported the maximum rate of the business that the user asks, dispose default channel width then directly for this user, i.e. R kbps.Wherein parameters R can be adjusted as required, and R allows the minimum and maximum speed of the non-real-time service that the respectively corresponding agreement of the maximin got allows.For example R=32kbps can be set.
Method three: RNC is provided with a parameter P, parameter P sets before system's operation, but can adjust according to actual conditions, is an adjustable parameter, if user capability can not be supported the maximum rate of the business that the user asks, then directly giving this user bandwidth is the channel of professional maximum rate * P.Parameter P can adjust as required, and adjustable range is between 0～1.For example P=0.3 can be set.
Method four: as shown in Figure 3, RNC set in advance the S set of a channel width=[S1, S2 ... Sn], wherein S1＞S2＞...＞Sn, unit are kbps.Channel configuration algorithm among the RNC just comes the selective channel band width configuration to give the user of request connecting system according to grade from high to low.The maximum channel bandwidth that can support of configure user ability at first, but this value is less than the maximum rate that equals the business that it asks, judge then whether system supports, if residual resource is not supported in the system, then select next lower channel width, obtain the support of residual resource and user capability in the system simultaneously up to the channel width of selecting, perhaps not lower speed can be selected and access failure.For example, the channel width set (from high to low) that can be provided with is: S=[384,144,64,32,16], the kbps of unit.RNC is according to user capability, at first select 384kbps to give the user as channel configuration, if residual resource is not supported in the system, then select next lower channel width 144kbps, obtain the support of residual resource and user capability in the system simultaneously up to the channel width of selecting, if support then access service, in the time of when configuration 16kbps, can't obtaining the support of system resource, refuse this service request.
Whether RNC can support the channel width that disposed according to the resource operating position decision system of system's reality, if remaining channel resource can be greater than the channel width that is disposed in the system, just mean that also system can support the channel width that is disposed, so the business of user's request is set up successfully, withdraws from the channel configuration flow process.
Claims (9)
1, a kind of method of radio network controller configuration channel bandwidth is characterized in that, comprises the following steps:
S1: the service access request message that receives the user;
S2: judge the type of institute's requested service, when it is real time business, carry out step S5; When it is a non-real-time service, continue;
S3: the ability information of extracting this user;
S4: according to this user's ability information configuration channel bandwidth, judge simultaneously whether system resource supports the channel width that is disposed, if insert institute's requested service; If not, refusal institute requested service;
S5: for this user configuration and the channel width that the maximum rate of institute requested service equates, judge whether system resource supports this configuration, if, access institute requested service; If not, refusal institute requested service.
2, the method for claim 1 is characterized in that, also comprises the following steps: between step S3 and S4
S31: when the ability of judging this user can be supported this professional maximum rate, the channel width that equates with institute requested service maximum rate for this user's configuration;
S32: judge whether system resource supports the channel width that is disposed, if insert institute's requested service; If not, carry out step S4.
3, method as claimed in claim 1 or 2 is characterized in that, among the step S4: for this user disposes the maximum channel bandwidth that it can be supported.
4, method as claimed in claim 1 or 2 is characterized in that, the default channel bandwidth is set, the maximum rate of the corresponding non-real-time service of described default channel maximum value bandwidth, the minimum-rate of the corresponding non-real-time service of minimum value; And, in step S4, dispose described default channel bandwidth for this user.
5, method as claimed in claim 1 or 2 is characterized in that, parameter P is set, and described P is an arbitrary value between 0～1; And, be that this user configured channel width is the maximum rate of institute's requested service and the product of described P in step S4.
6, method as claimed in claim 1 or 2 is characterized in that, the channel width grade is set; And, among the step S4, radio network controller is chosen the configuration that this user capability can be supported from high to low according to described channel width grade, judge in each back of selecting whether system's real resource supports the channel width that disposes, if insert institute's requested service, if not, reselect and judge again whether system supports, when the minimum one-level of described channel width grade still can not be supported by system, refusal institute requested service.
7, the method for claim 1 is characterized in that, described request message comprises at least: type of service and speed attribute.
8, the method for claim 1 is characterized in that, described user capability information comprises at least: maximum transport format number that the user supports and/or maximum tfc number and/or the data volume that can handle in the unit interval.
9, the method for claim 1 is characterized in that, described user capability information is extracted from the service access request message.
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| CNB2004100767236A CN100337436C (en) | 2004-08-29 | 2004-08-29 | A method of radio network controller configuration channel bandwidth |
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| CNB2004100767236A CN100337436C (en) | 2004-08-29 | 2004-08-29 | A method of radio network controller configuration channel bandwidth |
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| CN1741467A true CN1741467A (en) | 2006-03-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121645A1 (en) * | 2006-04-21 | 2007-11-01 | Huawei Technologies Co., Ltd. | A method, device and system for channel configuration |
| CN100455134C (en) * | 2006-04-21 | 2009-01-21 | 华为技术有限公司 | Method and device for arranging channel |
| CN100581167C (en) * | 2006-06-27 | 2010-01-13 | 华为技术有限公司 | Resource access method and apparatus |
| WO2011006402A1 (en) * | 2009-07-14 | 2011-01-20 | 中兴通讯股份有限公司 | Method and device for allocating bandwidth resource of wimax (worldwide interoperability for microwave access) system |
| CN101064954B (en) * | 2006-04-30 | 2011-08-10 | 华为技术有限公司 | Channel configuring method |
| CN102355727A (en) * | 2006-04-30 | 2012-02-15 | 华为技术有限公司 | Channel configuration method and system |
| CN101072056B (en) * | 2006-05-12 | 2012-04-04 | 中兴通讯股份有限公司 | Power control method and device for CDMA communication system |
| CN102916908A (en) * | 2011-08-02 | 2013-02-06 | 腾讯科技（深圳）有限公司 | Method and system for optimizing bandwidth in network application |
| WO2014090075A1 (en) * | 2012-12-13 | 2014-06-19 | Huawei Technologies Co., Ltd. | System and method for estimating an effective bandwidth |
| WO2020164097A1 (en) * | 2019-02-15 | 2020-08-20 | Zte Corporation | Device capability identifier signaling |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2002006986A2 (en) * | 2000-07-13 | 2002-01-24 | Sharewave, Inc. | Quality of service extensions for multimedia applications in wireless computer networks |
| CN1190980C (en) * | 2000-12-19 | 2005-02-23 | 华为技术有限公司 | Channel distribution method for multiple services at base station in GPS system |
| JP4123331B2 (en) * | 2001-03-16 | 2008-07-23 | 日本電気株式会社 | Portable wireless communication terminal capable of multimedia communication with multimedia communication system and message transmission / reception method |
| US7660887B2 (en) * | 2001-09-07 | 2010-02-09 | Sun Microsystems, Inc. | Systems and methods for providing dynamic quality of service for a distributed system |
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2004
- 2004-08-29 CN CNB2004100767236A patent/CN100337436C/en not_active Expired - Fee Related
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| CN100455134C (en) * | 2006-04-21 | 2009-01-21 | 华为技术有限公司 | Method and device for arranging channel |
| WO2007121645A1 (en) * | 2006-04-21 | 2007-11-01 | Huawei Technologies Co., Ltd. | A method, device and system for channel configuration |
| CN102355727A (en) * | 2006-04-30 | 2012-02-15 | 华为技术有限公司 | Channel configuration method and system |
| CN102355727B (en) * | 2006-04-30 | 2014-09-17 | 华为技术有限公司 | Channel configuration method and system |
| CN101064954B (en) * | 2006-04-30 | 2011-08-10 | 华为技术有限公司 | Channel configuring method |
| CN101072056B (en) * | 2006-05-12 | 2012-04-04 | 中兴通讯股份有限公司 | Power control method and device for CDMA communication system |
| CN100581167C (en) * | 2006-06-27 | 2010-01-13 | 华为技术有限公司 | Resource access method and apparatus |
| WO2011006402A1 (en) * | 2009-07-14 | 2011-01-20 | 中兴通讯股份有限公司 | Method and device for allocating bandwidth resource of wimax (worldwide interoperability for microwave access) system |
| CN102916908A (en) * | 2011-08-02 | 2013-02-06 | 腾讯科技（深圳）有限公司 | Method and system for optimizing bandwidth in network application |
| US9755935B2 (en) | 2011-08-02 | 2017-09-05 | Tencent Technology (Shenzhen) Company Limited | Method, system and computer storage medium for bandwidth optimization of network application |
| WO2014090075A1 (en) * | 2012-12-13 | 2014-06-19 | Huawei Technologies Co., Ltd. | System and method for estimating an effective bandwidth |
| CN104919757A (en) * | 2012-12-13 | 2015-09-16 | 华为技术有限公司 | System and method for estimating an effective bandwidth |
| CN104919757B (en) * | 2012-12-13 | 2018-09-21 | 华为技术有限公司 | System and method for estimating effective bandwidth |
| US10091675B2 (en) | 2012-12-13 | 2018-10-02 | Huawei Technologies Co., Ltd. | System and method for estimating an effective bandwidth |
| WO2020164097A1 (en) * | 2019-02-15 | 2020-08-20 | Zte Corporation | Device capability identifier signaling |
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