CN100417292C - Method for regulating public channel bandwidth - Google Patents
Method for regulating public channel bandwidth Download PDFInfo
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- CN100417292C CN100417292C CNB2005100709606A CN200510070960A CN100417292C CN 100417292 C CN100417292 C CN 100417292C CN B2005100709606 A CNB2005100709606 A CN B2005100709606A CN 200510070960 A CN200510070960 A CN 200510070960A CN 100417292 C CN100417292 C CN 100417292C
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Abstract
The present invention discloses a method for regulating public channel bandwidth, which is used for solving the existing problem in the prior art that after a subzone is established, public channel bandwidth can not be regulated according to the practical use condition of a public channel of an IUB interface. The throughput rate of the public channel of the subzone is measured at real time within the statistic period of the public channel, and the congestion accumulating time that the throughput rate achieves a congestion threshold and the idle accumulating time that the throughput rate is lower than an idle threshold are respectively recorded. When the statistic period of the public channel is completed, if the congestion accumulating time achieves first limiting time, the bandwidth of the public channel is added; if the idle accumulating time achievessecond limiting time, the bandwidth of the public channel is reduced. The present invention carried out real-time regulation to the bandwidth of the public channel according to the practical throughput of the public channel of the IUB interface, reduces resource waste of the bandwidth of the public channel, and enhances the use rate of the bandwidth and the access rate of users.
Description
Technical field
The present invention relates to the common signal channel of wireless network, relate in particular to a kind of method of adjustment of public channel bandwidth.
Background technology
As shown in Figure 1, at CDMA (Code Division Multiple Addressing, code division multiple access) in the system, RNC (Radio Network Controller, radio network controller) and the logic interfacing between the Node B be the IUB interface, the IUB interface provides transmission channel for the common channel data between RNC and Node B stream and dedicated channel data stream.
RNC is when setting up the sub-district, need to reserve the common signal channel of certain IUB interface bandwidth as this sub-district, the common signal channel of IUB interface provides the passage that carries out signaling and data interaction in setting up special-purpose connection procedure with network for portable terminal, the common signal channel of IUB interface mainly comprises FACH (Forward AccessChannel, forward access channel), PCH (Paging Channel, paging channel) and RACH (RandomAccess Channel, Random Access Channel).Wherein FACH and PCH are common down channel, and FACH is used for sending control information to the terminal that is in given sub-district; PCH is used to send the data relevant with paging; RACH is a uplink common channel, is used for sending the control information of self terminal.Portable terminal just uses DCH (Dedicated Channel, dedicated channel) and network to communicate after the special-purpose connection of foundation is finished, and does not re-use common signal channel.
Just reserved the common signal channel of fixing bandwidth as the IUB interface when setting up in the sub-district at present, can't adjust the bandwidth of the common signal channel of IUB interface after the sub-district is set up, this fixed-bandwidth method of salary distribution has following shortcoming:
1, at some high-end user large percentage but the less sub-district of total number of users, when high-end user may occur causing business to set up the problem of failure owing to the IUB interface band width resource is limited when enjoying high-speed data service, but simultaneously because total customer volume is less, part public channel bandwidth resource but can't be used by idle;
2,, may occur because the problem that the certain customers that the public channel bandwidth deficiency is caused can't insert in peak period in certain user's quantity growth sub-district faster;
3, in the extremely nervous area of some transfer resource, set up under the less situation of initial stage customer volume at network, the public channel bandwidth of system's fixed allocation can take unnecessary transfer resource, causes operation cost to increase.
Summary of the invention
The invention provides a kind of method of adjustment of public channel bandwidth, in order to solve the problem that to adjust the bandwidth of common signal channel according to the actual operating position of IUB interface common signal channel after the sub-district that exists in the prior art is set up.
The present invention is by the following technical solutions:
A kind of method of adjustment of public channel bandwidth comprises step:
In default common signal channel measurement period, measure the throughput of district common channel in real time, and write down throughput respectively and reach the congested accumulative total duration of default congestion threshold and the free time accumulative total duration that throughput is lower than default idle thresholding, wherein, described congestion threshold is greater than described idle thresholding;
When the common signal channel measurement period finishes,, then increase the bandwidth of common signal channel if congested accumulative total duration reaches the first default limiting time; If idle accumulative total duration reaches the second default limiting time, then reduce the bandwidth of common signal channel, wherein, described first limiting time and the described second limiting time sum are greater than described common signal channel measurement period, and described first limiting time and described second limiting time all are less than or equal to described common signal channel measurement period.
When congested accumulative total duration reaches first limiting time, increase the bandwidth of common signal channel according to the adjustment step-length of setting; When the free time, the accumulative total duration reached second limiting time, reduce the bandwidth of common signal channel according to the adjustment step-length of setting.
Described adjustment step-length is the integral multiple of 1kbps.
The mode that the adjustment of described public channel bandwidth adopts the sub-district to rebuild is carried out or is carried out in common signal channel reprovision process.
The moment that does not have the user to insert that is adjusted at of described public channel bandwidth carries out.
Adopt technical scheme of the present invention, have following beneficial effect:
The present invention adjusts public channel bandwidth in real time according to the goodput of IUB interface common signal channel, when common signal channel is congested, increase the bandwidth of common signal channel, when common signal channel is idle, reduce the bandwidth of common signal channel, thereby effectively reduced the waste of public channel bandwidth resource, improved bandwidth utilization and user's access rate.
Description of drawings
Fig. 1 is the structural representation of WCDMA network;
Fig. 2 is the flow chart that carries out the public channel bandwidth adjustment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The method of the invention is adjusted the bandwidth of common signal channel in real time according to the goodput of district common channel, when common signal channel is congested, increase the bandwidth of common signal channel, when common signal channel is idle, reduce the bandwidth of common signal channel, thereby improved the utilance of public channel bandwidth resource and user's access rate.
The concrete grammar that public channel bandwidth is adjusted comprises the following steps: as shown in Figure 2
The measurement parameter and the thresholding of S1, setting common signal channel;
At first on RNC, set the idle thresholding of common signal channel measurement period, common signal channel congestion threshold, common signal channel, congested accumulative total duration thresholding, idle accumulative total duration thresholding, adjust step-length and adjustment opportunity by the network maintenance staff.When setting above-mentioned parameter, the common signal channel congestion threshold is greater than the idle thresholding of common signal channel, congested accumulative total duration thresholding is less than or equal to the common signal channel measurement period, and idle accumulative total duration thresholding is less than or equal to the common signal channel measurement period, adjusts the multiple that step-length is generally 1kbps.Add up the situation that the duration thresholding is satisfied simultaneously for fear of congested accumulative total duration thresholding occurring with the free time, should set congested accumulative total duration thresholding and add up duration thresholding sum greater than the common signal channel measurement period with the free time, simultaneously normally use network for fear of influencing the user, adjustment generally is set in the time that the sub-district does not have the user to insert on opportunity.
S2, measure the throughput of common signal channel in real time, write down congested accumulative total duration and idle accumulative total duration respectively;
In the common signal channel measurement period, RNC measures in real time to the throughput of district common channel, be recorded in the cumulative time that the interior throughput of a measurement period reaches congestion threshold or is lower than idle thresholding, carry out record with internal system variable congested accumulative total duration and idle accumulative total duration respectively.
S3, judge whether congested accumulative total duration reaches congested accumulative total duration thresholding, and whether idle accumulative total duration reaches idle accumulative total duration thresholding respectively;
When the common signal channel measurement period finishes, RNC compares the common signal channel of record congested accumulative total duration and predefined congested accumulative total duration thresholding, the common signal channel idle accumulative total duration and the predefined idle accumulative total duration thresholding of record are compared, if congested accumulative total duration reaches congested accumulative total duration thresholding, then execution in step S4; If idle accumulative total duration reaches idle accumulative total duration thresholding, then execution in step S5; If all do not satisfy, then public channel bandwidth do not adjusted.After relatively finishing, with internal system variable idle accumulative total duration and the zero setting of congested accumulative total duration.
S4, increase public channel bandwidth;
Adjust opportunity at predefined common signal channel, be the time that the sub-district does not have the user to insert the common signal channel of sub-district to be adjusted, according to the bandwidth of predefined step-length increase common signal channel, the mode that the bandwidth adjustment can adopt the sub-district to rebuild is carried out or is carried out in common signal channel reprovision process.After the bandwidth adjustment finished, the maintenance terminal of system had changed public channel bandwidth and the time and the amplitude of bandwidth adjustment are informed the user in the mode of alarm, proceeds common signal channel and measures.
S5, reduce public channel bandwidth;
Adjust opportunity at predefined common signal channel, be the time that the sub-district does not have the user to insert the common signal channel of sub-district to be adjusted, reduce public channel bandwidth according to predefined step-length, the mode that the bandwidth adjustment can adopt the sub-district to rebuild is carried out or is carried out in common signal channel reprovision process.After the bandwidth adjustment finished, the maintenance terminal of system had changed public channel bandwidth and the time and the amplitude of bandwidth adjustment are informed the user in the mode of alarm, proceeds common signal channel and measures.
In above-mentioned steps S4 and step S5, carrying out the public channel bandwidth adjustment is finished by system self, system also can use the mode of alarm to inform that the suggestion of congested time and common signal channel adjustment takes place the custom system common signal channel, adjusts the district common channel bandwidth parameter by the attendant according to system recommendations working service terminal.
Below only the present invention will be described with preferred embodiment, and those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. the method for adjustment of a public channel bandwidth is characterized in that, comprises step:
In default common signal channel measurement period, measure the throughput of district common channel in real time, and write down throughput respectively and reach the congested accumulative total duration of default congestion threshold and the free time accumulative total duration that throughput is lower than default idle thresholding, wherein, described congestion threshold is greater than described idle thresholding;
When the common signal channel measurement period finishes,, then increase the bandwidth of common signal channel if congested accumulative total duration reaches the first default limiting time; If idle accumulative total duration reaches the second default limiting time, then reduce the bandwidth of common signal channel, wherein, described first limiting time and the described second limiting time sum are greater than described common signal channel measurement period, and described first limiting time and described second limiting time all are less than or equal to described common signal channel measurement period.
2. the method for adjustment of public channel bandwidth according to claim 1 is characterized in that, when congested accumulative total duration reaches first limiting time, increases the bandwidth of common signal channel according to the adjustment step-length of setting; When the free time, the accumulative total duration reached second limiting time, reduce the bandwidth of common signal channel according to the adjustment step-length of setting.
3. the method for adjustment of public channel bandwidth according to claim 2 is characterized in that, described adjustment step-length is the integral multiple of 1kbps.
4. the method for adjustment of public channel bandwidth according to claim 1 is characterized in that, the mode that the adjustment of described public channel bandwidth adopts the sub-district to rebuild is carried out or carried out in common signal channel reprovision process.
5. according to the method for adjustment of claim 1 or 4 described public channel bandwidths, it is characterized in that the moment that does not have the user to insert that is adjusted at of described public channel bandwidth carries out.
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| CNB2005100709606A CN100417292C (en) | 2005-05-19 | 2005-05-19 | Method for regulating public channel bandwidth |
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| CNB2005100709606A CN100417292C (en) | 2005-05-19 | 2005-05-19 | Method for regulating public channel bandwidth |
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| CN100417292C true CN100417292C (en) | 2008-09-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101521912B (en) * | 2008-02-29 | 2012-07-04 | 电信科学技术研究院 | Congestion of mobile communication system and treatment method and device for recovering from congestion |
| CN101557633B (en) * | 2008-04-09 | 2011-06-01 | 中国移动通信集团公司 | Target network selection method and access point device |
| US8830923B2 (en) * | 2010-11-05 | 2014-09-09 | Intel Corporation | Bandwidth adaptation techniques in wireless communications networks |
| CN105636056B (en) * | 2014-11-14 | 2021-04-02 | 中兴通讯股份有限公司 | Energy-saving method, device and system for optimizing spectrum resources |
| CN114143812B (en) * | 2021-12-02 | 2022-10-11 | 爱浦路网络技术(北京)有限公司 | Network resource optimization method, system, device and storage medium based on 5G |
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| WO1997045982A1 (en) * | 1996-05-31 | 1997-12-04 | Mci Communications Corporation | Dynamic allocation of data transmission resources |
| WO2000064107A1 (en) * | 1999-04-15 | 2000-10-26 | Sharewave, Inc. | Co-location negotiation scheme for wireless computer networks |
| WO2002043413A1 (en) * | 2000-11-21 | 2002-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Controlling channel switching in a umts network |
| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| WO2003088592A1 (en) * | 2002-04-12 | 2003-10-23 | Siemens Aktiengesellschaft | Method for commonly controlling the bandwidths of a group of individual information flows |
| US20040017795A1 (en) * | 2002-07-24 | 2004-01-29 | Abraham Santosh P. | Dynamic DCH allocation methodology for packet data services in a wireless communications system |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997045982A1 (en) * | 1996-05-31 | 1997-12-04 | Mci Communications Corporation | Dynamic allocation of data transmission resources |
| WO2000064107A1 (en) * | 1999-04-15 | 2000-10-26 | Sharewave, Inc. | Co-location negotiation scheme for wireless computer networks |
| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| WO2002043413A1 (en) * | 2000-11-21 | 2002-05-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Controlling channel switching in a umts network |
| WO2003088592A1 (en) * | 2002-04-12 | 2003-10-23 | Siemens Aktiengesellschaft | Method for commonly controlling the bandwidths of a group of individual information flows |
| US20040017795A1 (en) * | 2002-07-24 | 2004-01-29 | Abraham Santosh P. | Dynamic DCH allocation methodology for packet data services in a wireless communications system |
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