CN101562479A - Background service transmission method and system based on idle channel - Google Patents
Background service transmission method and system based on idle channel Download PDFInfo
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- CN101562479A CN101562479A CNA2009100847816A CN200910084781A CN101562479A CN 101562479 A CN101562479 A CN 101562479A CN A2009100847816 A CNA2009100847816 A CN A2009100847816A CN 200910084781 A CN200910084781 A CN 200910084781A CN 101562479 A CN101562479 A CN 101562479A
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Abstract
The invention provides a background service transmission method and a system based on an idle channel. The method comprises that: step 10, a network management system sets a channel idle rate threshold value for a base station controller; step 20, the base station controller monitors and calculates the channel idle rate in real time; and step 30, a mobile terminal sends a request for downloading background service to a base station, and if the channel idle rate calculated by the base station controller is not less than the channel idle rate threshold value, the mobile terminal informs the base station of starting transmitting the background service, otherwise, the mobile terminal informs the base station of rejecting transmitting the background service. The method and the system can balance network load, make full use of the idle channel to download data, and fully and reasonably utilize wireless resources; and when an operator is busy, the load pressure is low, and the network investment is saved.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of based on idle channel background service transmission method and system.
Background technology
The target of mobile communication system is to improve power system capacity, guarantees high-quality communication simultaneously, and RRM is exactly to pass through reasonably these Radio Resources of dynamic assignment, reduces the interference of system effectively, improves the capacity of system, guarantees the quality of communication link.
RRM (RadioResourceManagement) is responsible for the utilization of air interface resource, guarantees mobile subscriber's qos requirement, keeps the area of coverage of system's pre-planning, for system provides big capacity.RRM comprises switching controls, power control, allows control, load control and packet scheduling etc.Switching controls is responsible for the mobility of process user.When the mobile subscriber when a sub-district enters another sub-district, must switch.Switching controls is used certain strategy exactly, the continuity of conversation when guaranteeing to switch between user's handover or system, and make communication quality reach predetermined qos requirement.Power control makes the interference level of air interface keep minimum, guarantees mobile subscriber's qos requirement.Allowing control is for the signal interference ratio and the code check of expecting, guaranteeing has idle Radio Resource.The purpose of load control is to keep the use of network radio resources in given restrictive condition scope in the target mode.Packet scheduling is to make the reasonably available resources of using system of each grouping user, is each user's distribute data speed and block length.
The WCDMA system is an interference-limited system, and its power system capacity is not a relatively-stationary value, and has bigger elasticity, has balance and compromise relation between the number of users of service quality and acceptance service simultaneously.If the raising that the air interface load is undue, the overlay area of sub-district can be reduced to below the planning value, and the existing quality of service that connects can not get guaranteeing.Before accepting a new connection, admit control to need to check whether this access can sacrifice good overlay area of planning or the existing quality that connects.CAC (calladmission control, Call Admission Control) accepts in wireless access network or request that refusal is set up RAB, and admission control algorithm just is performed when carrying is set up or revised.The accommodating control function body is arranged in base station controller, can obtain the load information from several sub-districts at this place.Admission control algorithm will be assessed and set up the increase that these carry the wireless network load that is caused, and this must assess respectively the uplink downlink both direction.The carrying of request only just can be admitted when the admittance of uplink downlink control is all accepted it, otherwise since its can in network, produce excessive interference and it is refused.Admit the restrictive condition of control to be provided with by wireless network planning.
In admitting control procedure, at first to finish load estimation to air interface, also can be divided into the load estimation of up link and the load estimation of down link to the load estimation of air interface.Main CAC algorithm can be divided into several classes as follows at present, and the design of CAC must be considered QoS and GoS (Grade of Service, grade service) requirement simultaneously.CAC algorithm on the up link comprises (the signal to interference ratio based on SIR, signal-to-jamming ratio) CAC algorithm, based on the CAC algorithm of QoS, based on the CAC algorithm of total interference power with based on the CAC algorithm of throughput, the CAC algorithm on the down link is included in CAC algorithm under the multi-service circumstances, based on the CAC algorithm of total transmitting power with based on the CAC algorithm of throughput.
1, based on the CAC algorithm of SIR
User's SIR has reflected the QoS that system provides for the user on the one hand, has also reflected the load weight of system on the one hand, admits new user so can judge whether enough residual capacities by the SIR of monitor user '.Two kinds of CAC algorithms based on SIR are arranged at present.A kind of main thought is: still satisfy the SIR requirement after this call request is accepted in the purpose base station that new call request inserts, just judgement is admitted this time and is called out, otherwise refusal.Another kind of algorithm thought is: all satisfy the SIR requirement after the adjacent base station of purpose base station that new call request inserts and this base station is accepted this call request, just judgement is admitted this time and is called out, otherwise refusal.
2, based on the CAC algorithm of QoS
Traditional in the past protection channel method has often worsened system and has newly called out access probability when guaranteeing low cutting off rate, the Call Admission Control algorithm based on system QoS has solved the collision problem between new probability of call blocking and the cutting off rate.Differentiating when whether admitting this time new the calling, is that ruuning situation was as foundation in the past with system, and the method is to be independent of system's honeycomb, has range of application widely.
3, based on the CAC algorithm of total interference power
Base station measurement received signal gross power if new total interference level is lower than threshold value, is admitted this new user's access by the up link admission control algorithm.Maximum total interference power threshold value that the recruitment of the total interference power that promptly satisfies the new user of measured value+access of current total interference power and cause≤sub-district allows.
4, based on the CAC algorithm of throughput
In up link,, then admit the new user of the request of sending out to enter wireless network if satisfy following formula:
In the new ascending load factor threshold value of setting when connecting by user's the load factor of the load factor of up link before admitting+newly≤wireless network planning.
In down link,, then admit and send out a new user who asks and enter wireless network if satisfy the down load factor threshold value of setting when connecting new by the load factor of down link before admitting+new user's load factor≤wireless network planning;
5, based on the CAC algorithm of total transmitting power
If the total transmitting power of new down link does not surpass predefined desired value, then the user is admitted.Promptly satisfy condition: the total transmitting power of current base station+down link load increases the corresponding transmission power maximum transmission power that value≤predefined base station allowed.
UMTS (universal mobile telecommunications system) has defined four kinds of dissimilar business, i.e. conversation class, stream class, interactive class and background classes.The main foundation of this sorting technique is the sensitivity of each business to time delay.Session service is the most responsive to time delay; Stream class service is comparatively responsive to time delay, but because adopted caching mechanism, changes so can allow certain time delay; Interaction service is lower to delay requirement, but for guaranteeing the better response time, should be this class business not homogeneous turbulence give different priority; Background class traffic is then insensitive to time delay, promptly traditional doing one's best (Best Effort) business.
Present real network for background class traffic, often uses DSCH Downlink Shared Channel to transmit in using, and without any admitting control.Although divided priority to four class business like this, often there is following problem in the practical application:
(1) owing to admit control, one free time of channel, just allow the background class traffic transmission, even but often channel is idle, but during transmission of large capacity professional, user experience is also bad;
(2) if begin to transmit background class traffic during channel idle, be easy to influence professional transmission such as speech, promptly channel idle sometimes shows that just channel is at a time idle, and can not show that channel is free time period;
(3) often the ARPU value is not high for background class traffic, operator more wishes to transmit when the spare time, and this be not influence business such as any speech basically when not busy, promptly channel is not the spare time temporary transient, moment, but free time of certain threshold value is arranged, promptly transmission has a protection window to business such as speeches;
(4) the background class traffic ratio of long-time idle channel transmission such as real night is on the low side, and it is unbalanced to cause system resource to use, and the whole network resource utilization waits to improve.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of based on idle channel background service transmission method and system, its purpose is, provide based on idle channel (when non-statistical is not busy, so-called statistics refer to when not busy by artificial experience assert not busy the time, as at 8 in evening to point in mornings 8) data download method and system, make user experience good, ensure professional communication qualities such as speech well, and also improve resource utilization ratio to greatest extent.
The invention provides a kind ofly, comprising based on the idle channel background service transmission method:
Step 10, network management system are that base station controller is provided with channel idle rate threshold value;
Step 20, base station controller is monitoring and calculating channel idleness in real time;
Step 30, the request that portable terminal will be downloaded background business is sent to the base station: if the calculating channel idleness that base station controller calculates is not less than channel idle rate threshold value then informing base station begins to transmit background business, otherwise informing base station refusal transmission background business.
Step 10 comprises:
Step S11, network management system comprises channel idle rate threshold value to the request of base station controller transmitting channel idleness threshold value in this request;
After step S12, base station controller receive the request of idleness threshold value, be provided with according to channel idle rate threshold value, and to network management system transmitting channel idleness threshold response.
Background business comprises ringing sound of cell phone downloading service, mail downloading service or data download service.
In the step 10, network management system dynamically is provided with channel idle rate threshold value for base station controller according to the operation strategy.
In the step 20, base station controller may further comprise the steps when carrying out real-time supervisory channel idleness:
Step S21, base station controller transmitting supervisory demand signalling is given the base station;
Step S22, after the monitoring demand signalling was received in the base station, transmitting supervisory was replied signaling and is given base station controller.
In the step 20, base station controller may further comprise the steps when carrying out real-time calculating channel idleness:
Step S23, the down load factor threshold value of setting during by wireless network planning deducts and new the connection by the load factor of down link before admitting obtains the channel idle rate; Perhaps
Step S24 deducts the total transmitting power of current base station by the maximum transmission power that predefined base station allowed and obtains the channel idle rate.
In the step 10, channel idle rate threshold value is provided with according to the load factor of total transmitting power in base station or base station radio channel link.
It is a kind of based on idle channel background business transmission system that the present invention also provides, and comprises portable terminal, mobile cellular net, base station, base station controller and network management system.
Network management system is used to base station controller that channel idle rate threshold value is set;
Portable terminal, the request that is used for downloading background business is sent to the base station;
Base station controller is used for monitoring and calculating channel idleness in real time; If the calculating channel idleness that base station controller calculates is not less than channel idle rate threshold value then informing base station begins to transmit background business, otherwise informing base station refusal transmission background business.
Network management system is used for comprising channel idle rate threshold value in this request to the request of base station controller transmitting channel idleness threshold value;
Base station controller is used for being provided with according to channel idle rate threshold value after receiving the request of idleness threshold value, and to network management system transmitting channel idleness threshold response.
Background business comprises ringing sound of cell phone downloading service, mail downloading service or data download service.
Network management system is used for dynamically for base station controller channel idle rate threshold value being set according to the operation strategy.
Base station controller is when real-time supervisory channel idleness, and the transmitting supervisory demand signalling is given the base station; After the base station received the monitoring demand signalling, transmitting supervisory was replied signaling and is given base station controller.
The down load factor threshold value that base station controller is set during by wireless network planning deducts and new the connection by the load factor of down link before admitting obtains the channel idle rate, perhaps deducts the total transmitting power of current base station by the maximum transmission power that predefined base station allowed and obtains the channel idle rate.
Channel idle rate threshold value is provided with according to the load factor of total transmitting power in base station or base station radio channel link.
The present invention is monitoring system channel idle rate at any time, and when vacancy rate was higher than the threshold value (can dynamically adjust) that pre-sets, just log-on data was downloaded; The present invention can so that: 1) offered load is comparatively balanced, and channel data download when making full use of the spare time fully, has reasonably been utilized Radio Resource; 2) user experience is good, the downloading rate height; 3) operator's busy hour load pressure is little, saves network investment.
Description of drawings
Fig. 1 is that background business provided by the invention is admitted control signaling process figure;
Fig. 2 is a background business admission control algorithm flow chart provided by the invention;
Fig. 3 is the network structure with background business acceptance control system of variable thresholding provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of background business acceptance controlling method, comprising with variable thresholding:
Step 1 sets in advance a channel idle threshold value;
Step 2, base station controller is monitoring and calculating channel idleness in real time; When base station controller was monitored, base station controller transmitting supervisory demand signalling was given the base station, and the base station transmitting supervisory is replied signaling and given base station controller then; When base station controller calculating channel idleness, the down load factor threshold value of setting during by wireless network planning deducts and new the connection by the load factor of down link before admitting obtains the channel idle rate, perhaps deducts the total transmitting power of current base station by the maximum transmission power that predefined base station allowed and obtains the channel idle rate.
Step 3, the user is sent to the base station with the background business transmission demand by portable terminal;
Step 4, if base station controller monitors present channel idle rate on idle threshold value, informing base station begins to transmit background business, otherwise does not transmit background business;
Channel idle threshold value in the step 1 is provided with by network management system, and the base station can rejudge the channel idle rate whether on idle threshold value according to the threshold value of resetting.
Background business is customized on portable terminal by the user, and as ringing sound of cell phone download, mail download, data download etc., this business customizing demand is delivered to base station controller by the base station;
Described channel idle threshold value can dynamically be adjusted according to the operation strategy; Specifically, operator can adjust the channel idle threshold value by webmaster, as dynamically adjusting the channel idle threshold value according to background business ARPU value and network load situation;
Described channel idle threshold value can reach the purpose that the channel idle threshold value is set by the load factor that total transmitting power in base station or base station radio channel link are set.
Background business provided by the invention is admitted the control signaling process as shown in Figure 1, comprises that channel idle rate monitoring flow process, threshold value are provided with flow process and admit control flow.
The admittance control flow is as follows:
Step 201, portable terminal sends the request of downloading background business and is sent to the base station;
Step 203, obtain base station controller feedback after, the base station sends replying of background business to portable terminal;
Channel idle rate monitoring flow process is as follows:
Step 204, base station controller is to base station transmitting channel idleness monitoring request;
Step 205, reply to the monitoring of base station controller transmitting channel idleness the base station;
Channel idle rate threshold value is provided with flow process, and is specific as follows:
Step 206, network management system is to the request of base station controller transmitting channel idleness threshold value;
Step 207, base station controller is replied to network management system transmitting channel idleness threshold value.
Background business admission control algorithm flow process provided by the invention comprises as shown in Figure 2:
Step 102 is judged the channel idle rate whether on threshold value, if, execution in step 103, otherwise execution in step 104;
Step 103 begins to transmit background business;
The invention provides a kind of background business and admit the system of control, as shown in Figure 3, comprise portable terminal, mobile cellular net, base station, base station controller, network management system with variable thresholding;
Network management system is used to base station controller that channel idle rate threshold value is set;
Portable terminal, the request that is used for downloading background business is sent to the base station;
Base station controller is used for monitoring and calculating channel idleness in real time; If the calculating channel idleness that base station controller calculates is not less than channel idle rate threshold value then informing base station begins to transmit background business, otherwise informing base station refusal transmission background business.
Network management system can be used for comprising channel idle rate threshold value in this request to the request of base station controller transmitting channel idleness threshold value;
Base station controller, be used in receive the request of idleness threshold value after, be provided with according to channel idle rate threshold value, and to network management system transmitting channel idleness threshold response.
Background business can be customized by portable terminal, comprises ringing sound of cell phone downloading service, mail downloading service or data download service.
Network management system can be used for dynamically for base station controller channel idle rate threshold value being set according to the operation strategy.
Network management system, can be used for according to power or power system capacity is that base station controller is provided with channel idle rate threshold value.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but determine by the scope of claims.
Claims (14)
1, a kind ofly it is characterized in that, comprising based on the idle channel background service transmission method:
Step 10, network management system are that base station controller is provided with channel idle rate threshold value;
Step 20, base station controller is monitoring and calculating channel idleness in real time;
Step 30, the request that portable terminal will be downloaded background business is sent to the base station: if the channel idle rate that base station controller calculates is not less than channel idle rate threshold value then informing base station begins to transmit background business, otherwise informing base station refusal transmission background business.
2, as claimed in claim 1ly it is characterized in that based on the idle channel background service transmission method step 10 comprises:
Step S11, network management system comprises channel idle rate threshold value to the request of base station controller transmitting channel idleness threshold value in this request;
After step S12, base station controller receive the request of idleness threshold value, be provided with according to channel idle rate threshold value, and to network management system transmitting channel idleness threshold response.
3, as claimed in claim 1ly it is characterized in that based on the idle channel background service transmission method background business comprises ringing sound of cell phone downloading service, mail downloading service or data download service.
4, as claimed in claim 1ly it is characterized in that in the step 10, network management system dynamically is provided with channel idle rate threshold value for base station controller according to the operation strategy based on the idle channel background service transmission method.
5, as claimed in claim 1ly it is characterized in that in the step 20, base station controller may further comprise the steps when carrying out real-time supervisory channel idleness based on the idle channel background service transmission method:
Step S21, base station controller transmitting supervisory demand signalling is given the base station;
Step S22, after the monitoring demand signalling was received in the base station, transmitting supervisory was replied signaling and is given base station controller.
6, as claimed in claim 5ly it is characterized in that in the step 20, base station controller may further comprise the steps when carrying out real-time calculating channel idleness based on the idle channel background service transmission method:
Step S23, the down load factor threshold value of setting during by wireless network planning deducts and new the connection by the load factor of down link before admitting obtains the channel idle rate; Perhaps
Step S24 deducts the total transmitting power of current base station by the maximum transmission power that predefined base station allowed and obtains the channel idle rate.
7, as claimed in claim 1ly it is characterized in that based on the idle channel background service transmission method in the step 10, channel idle rate threshold value is provided with according to the load factor of total transmitting power in base station or base station radio channel link.
8, a kind of based on idle channel background business transmission system, comprise portable terminal, mobile cellular net, base station, base station controller and network management system, it is characterized in that,
Network management system is used to base station controller that channel idle rate threshold value is set;
Portable terminal, the request that is used for downloading background business is sent to the base station;
Base station controller is used for monitoring and calculating channel idleness in real time; If the calculating channel idleness that base station controller calculates is not less than channel idle rate threshold value then informing base station begins to transmit background business, otherwise informing base station refusal transmission background business.
9, as claimed in claim 8ly it is characterized in that based on idle channel background business transmission system,
Network management system is used for comprising channel idle rate threshold value in this request to the request of base station controller transmitting channel idleness threshold value;
Base station controller is used for being provided with according to channel idle rate threshold value after receiving the request of idleness threshold value, and to network management system transmitting channel idleness threshold response.
10, as claimed in claim 8ly it is characterized in that based on idle channel background business transmission system background business comprises ringing sound of cell phone downloading service, mail downloading service or data download service.
11, as claimed in claim 8ly it is characterized in that network management system is used for dynamically for base station controller channel idle rate threshold value being set according to the operation strategy based on idle channel background business transmission system.
12, as claimed in claim 8ly it is characterized in that based on idle channel background business transmission system that base station controller is when supervisory channel idleness in real time, the transmitting supervisory demand signalling is given the base station; After the base station received the monitoring demand signalling, transmitting supervisory was replied signaling and is given base station controller.
13, as claimed in claim 12 based on idle channel background business transmission system, it is characterized in that, the down load factor threshold value that base station controller is set during by wireless network planning deducts and new the connection by the load factor of down link before admitting obtains the channel idle rate, perhaps deducts the total transmitting power of current base station by the maximum transmission power that predefined base station allowed and obtains the channel idle rate.
14, as claimed in claim 8ly it is characterized in that based on idle channel background business transmission system channel idle rate threshold value is provided with according to the load factor of total transmitting power in base station or base station radio channel link.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102045777A (en) * | 2011-01-17 | 2011-05-04 | 西安电子科技大学 | High-efficient machine type communication access control method for cellular network |
| WO2014040249A1 (en) * | 2012-09-13 | 2014-03-20 | 华为技术有限公司 | Content downloading method and related device and system |
| WO2015035573A1 (en) * | 2013-09-11 | 2015-03-19 | 华为技术有限公司 | Network transmission method and apparatus |
| CN105335236A (en) * | 2015-12-10 | 2016-02-17 | 厦门市美亚柏科信息股份有限公司 | Distributed evidence obtaining dynamic load balanced scheduling method and device |
| CN105828407A (en) * | 2015-01-05 | 2016-08-03 | 普天信息技术有限公司 | Service acceptance control method and base station |
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| CN101345974B (en) * | 2007-07-09 | 2011-08-31 | 电信科学技术研究院 | Method and system for scheduling mobile terminal to transmit ascending signal channel detection pilot frequency |
| CN101115300B (en) * | 2007-08-02 | 2011-06-08 | 华为技术有限公司 | Method and device for adjusting and extending BCCH channel of broadcast control channel |
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- 2009-05-19 CN CN 200910084781 patent/CN101562479B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102045777A (en) * | 2011-01-17 | 2011-05-04 | 西安电子科技大学 | High-efficient machine type communication access control method for cellular network |
| WO2014040249A1 (en) * | 2012-09-13 | 2014-03-20 | 华为技术有限公司 | Content downloading method and related device and system |
| CN103797839A (en) * | 2012-09-13 | 2014-05-14 | 华为技术有限公司 | Content downloading method and related device and system |
| EP2897405A4 (en) * | 2012-09-13 | 2015-10-14 | Huawei Tech Co Ltd | Content downloading method and related device and system |
| CN103797839B (en) * | 2012-09-13 | 2017-12-29 | 华为技术有限公司 | A kind of content download method and relevant device, system |
| US9924016B2 (en) | 2012-09-13 | 2018-03-20 | Huawei Technologies Co., Ltd. | Content download method, related device, and system |
| WO2015035573A1 (en) * | 2013-09-11 | 2015-03-19 | 华为技术有限公司 | Network transmission method and apparatus |
| CN105828407A (en) * | 2015-01-05 | 2016-08-03 | 普天信息技术有限公司 | Service acceptance control method and base station |
| CN105335236A (en) * | 2015-12-10 | 2016-02-17 | 厦门市美亚柏科信息股份有限公司 | Distributed evidence obtaining dynamic load balanced scheduling method and device |
| CN105335236B (en) * | 2015-12-10 | 2019-03-19 | 厦门市美亚柏科信息股份有限公司 | A kind of distributed dynamic load leveling dispatching method and device of collecting evidence |
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