CN104023406B - A kind of up-downgoing dispatching method in GSM - Google Patents
A kind of up-downgoing dispatching method in GSM Download PDFInfo
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- CN104023406B CN104023406B CN201310065142.1A CN201310065142A CN104023406B CN 104023406 B CN104023406 B CN 104023406B CN 201310065142 A CN201310065142 A CN 201310065142A CN 104023406 B CN104023406 B CN 104023406B
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Abstract
This application discloses the up-downgoing dispatching method in a kind of GSM, including：It is for downlink voice business and descending small-flow service, its is discrete to being scheduled in each descending scheduling subframe；It is for uplink voice traffic and up small-flow service, its is discrete to being scheduled in each uplink scheduling subframe.Using the application, avoid speech business and small-flow service from concentrating in same subframe, so as to avoid this kind of business from taking substantial amounts of scheduling time, but only distribute less frequency domain resource, so as to more effectively utilize interface-free resources.
Description
Technical field
The application is related to mobile communication technology, the up-downgoing dispatching method in more particularly to a kind of GSM.
Background technology
In the communication systems such as LTE, system bandwidth is divided into resource block on frequency domain（RB）, data are divided into the duration
1ms（Subframe）Data block.Scheduling is then how the terminal for determining multiple shared interface-free resources uses interface-free resources, is ensuring
In the case of QoS, cell throughout maximization is the target of system.
Base station logarithm passes subframe and press user's arrival order, adds queue row major level of going forward side by side and sorts（Speech business is Gao You
First level）, then it is scheduled one by one from high in the end according to priority.Uplink scheduling is carried out after the completion of descending scheduling again（This is main
It is because the essential information of system needs to send in descending scheduling）.Each scheduling requirement is completed within 1ms, scheduling time
Once more than limitation, this Transmission Time Interval（TTI）Dispatch without or directly abandon, even if schedulable be present
Interface-free resources, it is also necessary to stop scheduling.
In view of the disposal ability limitation of existing processor, the number of users that a TTI can be dispatched is very limited, descending to adjust
Although the number of users of degree is not directly affected, more scheduling times can be taken, cause the uplink scheduling startup time more late,
The user of up energy scheduling is less, often occurs and substantial amounts of schedulable resource in a TTI be present, but due to processing time
Not enough, can not be scheduled.For example, the business of multiple users is after priority ranking is carried out, small-flow service or voice industry
The user of business obtains the chance of priority scheduling because priority is higher；But after the user has dispatched（This fashion has big flow tune
Degree user does not obtain scheduling）, scheduling time has reached ceiling restriction, though now there is substantial amounts of schedulable resource, due to adjusting
The time is spent not enough to have to abandon dispatching.Once occur in actual scene：In 8 semi-persistent schedulings of near point（SPS）User will
Up processing time exhausts, and now for used RB numbers less than 30, this fashion has substantial amounts of schedulable resource（System 20M bands
It is wide）, and the PS business of big flow one can not be scheduled.
The content of the invention
The application provides the up-downgoing dispatching method in a kind of GSM, can effectively utilize interface-free resources.
To achieve the above object, application adopts the following technical scheme that：
A kind of up-downgoing dispatching method in GSM, including：
Be less than the user of the descending small-flow service of thresholding for downlink voice business or downlink traffic, by corresponding service from
It is scattered in each descending scheduling subframe and is scheduled.
It is preferred that when performing the discrete operation to each descending scheduling subframe,
To the user of the descending small-flow service and the number of users of downlink voice business not less than Nvoip parts, by phase
Answer business discrete and be scheduled into the subframe for only carrying out descending scheduling；
, will be corresponding to the descending small-flow service and the number of users of downlink voice business more than the user of Nvoip parts
Business it is discrete to simultaneously carry out up-downgoing scheduling subframe in be scheduled；
Wherein, the Nvoip for all progress descending scheduling subframe in receptible descending small-flow service with
The total number of users of downlink voice business.
It is preferred that this method further comprises：User or uplink traffic for uplink voice traffic are less than the upper of thresholding
The user of row small-flow service, it is scheduled corresponding service is discrete to each uplink scheduling subframe.
It is preferred that this method further comprises：It is more than the user of the up big flow business of thresholding to uplink traffic, by phase
Answer business discrete and be scheduled to each uplink scheduling scheduling subframe.
It is preferred that it is more than the user of the big flow business of thresholding to downlink traffic, corresponding service is discrete to each descending
It is scheduled in scheduling subframe.
A kind of up-downgoing dispatching method in GSM, including：
Be less than the user of the up small-flow service of thresholding for uplink voice traffic or uplink traffic, by corresponding service from
It is scattered in each uplink scheduling subframe and is scheduled.
It is preferred that this method further comprises：It is less than the descending rill of thresholding for downlink voice business or downlink traffic
The user of amount business is discrete to being scheduled in each descending scheduling subframe by corresponding service.
It is preferred that when performing the discrete operation to each descending scheduling subframe,
To the user of the descending small-flow service and the number of users of downlink voice business not less than Nvoip parts, by phase
Answer business discrete and be scheduled into the subframe for only carrying out descending scheduling；
, will be corresponding to the descending small-flow service and the number of users of downlink voice business more than the user of Nvoip parts
Business it is discrete to simultaneously carry out up-downgoing scheduling subframe in be scheduled；
Wherein, the Nvoip for all progress descending scheduling subframe in receptible descending small-flow service with
The total number of users of downlink voice business.
It is preferred that it is more than the user of the big flow business of thresholding to downlink traffic, corresponding service is discrete to each descending
It is scheduled in scheduling subframe.
It is preferred that this method further comprises：It is more than the user of the up big flow business of thresholding to uplink traffic, by phase
Answer business discrete and be scheduled to each uplink scheduling subframe.
As seen from the above technical solution, it is for downlink voice business and descending small-flow service, its is discrete in the application
To each be scheduled in descending scheduling subframe；It is for uplink voice traffic and up small-flow service, its is discrete
It is scheduled in each uplink scheduling subframe.So, speech business and small-flow service is avoided to concentrate in same subframe, from
And avoid this kind of business from taking substantial amounts of scheduling time, but only distribute less frequency domain resource；Ensure that the equal having times of each TTI are adjusted
Spend big flow business.So as to more effectively utilize interface-free resources.
Brief description of the drawings
Fig. 1 is the particular flow sheet of up-downgoing dispatching method in present application example.
Embodiment
In order that the purpose of the application, technological means and advantage are more clearly understood, the application is done below in conjunction with accompanying drawing
It is further described.
First illustratively, the Small-flow user in the application is based on scheduling, refers mainly to only need distribution few during scheduling
The user that measures RB or the user that a small amount of RB can only be distributed during scheduling；The user of big flow is also similar with this definition.
In up-downgoing dispatching method stated in the background, because the user of small-flow service and speech business is preferential
Level is higher, it will usually obtains the chance of priority scheduling；Regardless of whether the user of small-flow service or big flow business, for adjusting
The time of degree is generally close, but when the higher low discharge of priority or voice user are arranged in identical TTI and be scheduled
When, the interface-free resources amount for each user scheduling is smaller, and so adding up to get off uses overall interface-free resources amount smaller, but accounts for
With substantial amounts of scheduling time, therefore scheduling time can be caused full, the problem of remaining a large amount of interface-free resources can not dispatch.
To solve the above problems, it is improved in the application at the up and/or aspect of descending scheduling two.
Wherein, when carrying out descending scheduling, the descending low discharge of thresholding is less than for downlink voice business or downlink traffic
The user of business is discrete to being scheduled in each descending scheduling subframe by corresponding service.So, descending small-flow service is ensured
It will not excessively concentrate in same subframe and dispatch with downlink voice business, avoid scheduling time from expiring remaining a large amount of interface-free resources
The problem of can not dispatching.
Simultaneously, it is contemplated that uplink scheduling is started after descending scheduling is completed, it is to be ensured that uplink scheduling processing time, just
It must assure that in the TTI of uplink scheduling, descending scheduling does not seize the up time as far as possible；Therefore in the application, reduce as far as possible
The TTI of uplink scheduling descending scheduling number of users is carried out, the user of low discharge or voice user are focused on into those as far as possible only enters
The TTI of row descending scheduling.This is avoided to a certain extent descending seizes upstream time so that the up time for having abundance is carried out
Scheduling；In addition need to consider descending TTI resources service condition, limit number and the finishing scheduling time of Small-flow user.
Specifically, by descending small-flow service and speech business it is discrete into each descending scheduling subframe when, specific side
Formula can be：
1）, will be corresponding to descending small-flow service and the number of users of downlink voice business not less than the user of Nvoip parts
Business it is discrete to only carry out descending scheduling subframe in be scheduled；
2）To the user of descending small-flow service and the number of users of downlink voice business more than Nvoip parts, by corresponding industry
Be engaged in it is discrete to and meanwhile be scheduled in the subframe of up-downgoing scheduling.
Wherein, receptible small-flow service or speech business in the subframe of for all progress descending schedulings of Nvoip
Total number of users.
That is, descending small-flow service and downlink voice traffic assignments are only preferentially being subjected to the subframe of descending scheduling
Inside it is scheduled, when these subframes can not continue to receive user's scheduling of descending small-flow service and downlink voice business, then
Other descending small-flow service and downlink voice traffic assignments are carried out entering in the subframe of descending scheduling and uplink scheduling at the same time
Row scheduling.
In specific implementation, it may be determined that the user for going out descending small-flow service to be scheduled and downlink voice business is total
These users to be scheduled are divided into two parts, the total number of users of Part I is no more than by number according to the any-mode of setting
Nvoip, the business of these users is discrete to being only scheduled in the subframe of progress descending scheduling, so, only carries out descending scheduling
The receptible total number of users of subframe institute be occupied full, it is impossible to receive other descending low discharge and downlink voice business again；It is surplus
The business of remaining part user with regard to it is discrete to simultaneously carry out descending scheduling and uplink scheduling subframe in be scheduled.
By above-mentioned processing, on the one hand the user of descending small-flow service and downlink voice business can be dispersed in multiple
It is scheduled in different subframes, on the other hand as far as possible carries out the user of these business in the subframe for only carrying out descending scheduling
Scheduling, enough scheduling times are reserved for uplink scheduling.
In addition to the above-mentioned improvement carried out to descending scheduling, the application gives the improvement processing on uplink scheduling.Specifically
Ground, can be directed to uplink voice traffic user and uplink traffic be less than thresholding up small-flow service, by corresponding service from
It is scattered to each uplink scheduling subframe to be scheduled, so as to avoid when uplink service is dispatched, by small-flow service and/or voice industry
Business is concentrated in identical TTI and is scheduled, to avoid the interface-free resources dispatched within limited scheduling time very few.
In specific implementation, the improvement of above-mentioned uplink scheduling and descending scheduling can use a kind of progress, or can also
The improvement of uplink and downlink scheduling is carried out simultaneously.
Pass through above-mentioned processing, it becomes possible to ensure the user of also time scheduling big flow, so as to make full use of interface-free resources,
Ensure the handling capacity of system.
, can be by descending big flow business to be further ensured that enough scheduling times carry out the scheduling of big flow user
User is discrete to be scheduled into each descending scheduling subframe, and/or, it can also arrive the user of up big flow business is discrete
It is scheduled in each uplink scheduling subframe, so as to ensure that more users are scheduled, improves the handling capacity of system.
Illustrate the specific processing of the application below by a specific example, wherein, with uplink scheduling and descending scheduling
Use the present processes exemplified by illustrate：
Fig. 1 is the up-downgoing dispatching method in present application example.As shown in figure 1, this method includes：
Step 101, judge whether the number of users of descending small-flow service and speech business is less than Nvoip, if so, then performing
Step 102, step 103 and 104 is otherwise performed.
Step 102, it is the user of descending small-flow service and downlink voice business is discrete to the son for only carrying out descending scheduling
It is scheduled in frame, then performs step 105.
Here, the user of corresponding service is specifically subjected to discrete scheduling, existing way can be used to carry out, here just no longer
Repeat.
Step 103, it is descending small-flow service or the downlink voice business of preceding Nvoip user is discrete descending to only carrying out
It is scheduled in the subframe of scheduling.
Step 104, it is the user of remaining descending small-flow service and downlink voice business is discrete descending to carrying out simultaneously
It is scheduled in the subframe of scheduling and uplink scheduling, then performs step 105.
Step 105, remaining downlink user is dispatched.
When dispatching remaining downlink user, can be carried out using existing mode.Or can also be further by big flow
The user of business is discrete to being scheduled in each descending scheduling subframe.
Step 106, uplink scheduling is started.
Step 107, it is up small-flow service and uplink voice traffic is discrete to being adjusted in each uplink scheduling subframe
Degree.
Step 108, remaining uplink user is dispatched.
When dispatching remaining uplink user, can be carried out using existing mode.Or can also be further by big flow
The user of business is discrete to being scheduled in each descending scheduling subframe.
So far, the up-downgoing dispatching method flow in the application terminates.
From the specific implementation of above-mentioned the application, it is less than the descending small of thresholding for downlink voice business or downlink traffic
The user of flow business is discrete to being scheduled in each descending scheduling subframe by corresponding service.So as to ensure descending low discharge
Business and downlink voice business will not excessively be concentrated in same subframe and dispatched.
It is possible to further which descending small-flow service and downlink voice traffic assignments are only preferentially being carried out into descending scheduling
It is scheduled in subframe, it is also discrete to carrying out simultaneously for remaining descending small-flow service and the user of downlink voice business
The subframe of descending scheduling.Thus it is ensured that the subframe of used progress descending scheduling and carry out in the subframe of up-downgoing scheduling simultaneously
Descending scheduling number of users tend to balance, and then ensure that the descending of such subframe time-consuming tends to balance.Alleviate it is descending seize it is up
The pressure of scheduling time, nor affect on the use of scheduling resource.
Or uplink scheduling is by the discrete subframe to each uplink scheduling of small-flow service or speech business.It is so that every
In individual TTI, after uplink scheduling has reprocessed high priority small-flow service, the user of big flow can be dispatched.Do not influenceing
In the case of dispatching priority, it is ensured that the handling capacity of cell.
It can be seen that using the application, the scheduling time in each subframe of system can be made balanced, ensureing the small of high priority
In the case of flow business or speech business, the interface-free resources of system obtain sufficiently scheduling, the handling capacity of system and ensured.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (6)
- A kind of 1. up-downgoing dispatching method in GSM, it is characterised in that including：It is less than the user of the descending small-flow service of thresholding for downlink voice business or downlink traffic, arrives corresponding service is discrete It is scheduled in each descending scheduling subframe；It is more than the user of the big flow business of thresholding to downlink traffic, enters corresponding service is discrete into each descending scheduling subframe Row scheduling.
- 2. according to the method for claim 1, it is characterised in that performing the discrete behaviour to each descending scheduling subframe When making,To the user of the descending small-flow service and the number of users of downlink voice business not less than Nvoip parts, by corresponding industry Be engaged in it is discrete to only carry out descending scheduling subframe in be scheduled；To the user of the descending small-flow service and the number of users of downlink voice business more than Nvoip parts, by corresponding service It is discrete to simultaneously carry out up-downgoing scheduling subframe in be scheduled；Wherein, receptible descending small-flow service and descending in the subframe of for all progress descending schedulings of the Nvoip The total number of users of speech business.
- A kind of 3. up-downgoing dispatching method in GSM, it is characterised in that including：It is less than the user of the up small-flow service of thresholding for uplink voice traffic or uplink traffic, arrives corresponding service is discrete It is scheduled in each uplink scheduling subframe；It is more than the user of the up big flow business of thresholding to uplink traffic, arrives each uplink scheduling subframe by corresponding service is discrete It is scheduled.
- 4. according to the method for claim 3, it is characterised in that this method further comprises：For downlink voice business or Downlink traffic is less than the user of the descending small-flow service of thresholding, and corresponding service is discrete to carrying out in each descending scheduling subframe Scheduling.
- 5. according to the method for claim 4, it is characterised in that performing the discrete behaviour to each descending scheduling subframe When making,To the user of the descending small-flow service and the number of users of downlink voice business not less than Nvoip parts, by corresponding industry Be engaged in it is discrete to only carry out descending scheduling subframe in be scheduled；To the user of the descending small-flow service and the number of users of downlink voice business more than Nvoip parts, by corresponding service It is discrete to simultaneously carry out up-downgoing scheduling subframe in be scheduled；Wherein, receptible descending small-flow service and descending in the subframe of for all progress descending schedulings of the Nvoip The total number of users of speech business.
- 6. the method according to claim 4 or 5, it is characterised in that be more than the big flow business of thresholding to downlink traffic User, it is scheduled corresponding service is discrete into each descending scheduling subframe.
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| US7474644B2 (en) * | 2000-07-27 | 2009-01-06 | Interdigital Technology Corporation | Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system |
| CN101388867A (en) * | 2007-09-11 | 2009-03-18 | 中兴通讯股份有限公司 | Resource scheduling method based on OFDM system |
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