CN103139925A - Upstream data dispatch method used for local thermodynamic equilibrium (LTE) system and device - Google Patents
Upstream data dispatch method used for local thermodynamic equilibrium (LTE) system and device Download PDFInfo
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Abstract
The invention provides an upstream data dispatch method used for a local thermodynamic equilibrium (LTE) system and a device. A cache status report delivered by user equipment is received by a base station. The cache to-be delivered data quantity of the user equipment is maintained according to the cache reports and the user equipment upstream dispatching condition. User equipment (UE) is judged by the fact that data are further needed to be dispatched by the base station according to the state of a received data block when the maintained cache to-be delivered data quantity is zero. The data dispatch is continuously carried out to the UE by the base station according to the judged result or the data dispatch is no longer carried out to the UE according to the judged result. According to the upstream data dispatch method used for the LTE system and the device, the fact that whether the user equipment requires the data dispatch is reasonably judged under the condition that cache data maintained by the base station is not unanimous with cache data maintained by the user equipment. Data losses caused by the fact that the user equipment data are no longer dispatched can be prevented, thus continuity of the user equipment business can be effectively guaranteed.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of uplink data scheduling method and device for the LTE system.
Background technology
At Long Term Evolution (LTE, Long Term Evolution) in system, subscriber equipment (UE, User Equipment) by buffer status report (BSR, Buffer State Report) report the medium upstream data amount to be sent of buffer memory of this UE to the base station, the base station can be sent data volume medium according to this UE buffer memory, is the UE data dispatching.Simultaneously, the base station BSR that also will report according to UE and be data volume to be sent of each UE maintenance for the data volume of UE scheduling.
The outgoing data amount of this base station maintenance is that the base station is an important references factor of UE data dispatching, the base station is the UE data dispatching according to this value, and in complete this value of rear renewal of data dispatch, namely from the corresponding data dispatching amount of this maintenance value deduction, until this value is 0, think that the UE side does not have data to be sent.
Restriction due to the wave point signaling consumption, the BSR that UE reports not is real-time, having new data still in time not trigger BSR in possible UE buffering area reports, the UE of base station maintenance data volume to be sent just has no chance to upgrade in time, and the data amount information to be sent of UE side and base station side is just asynchronous like this.If the UE side has been come again packet newly after reporting a BSR, the data dispatching amount for the treatment of of UE side can be upgraded, but the data volume of base station maintenance is had no chance and is and then upgraded, will stop this UE is carried out data dispatch like this after this UE of base station maintenance data volume to be sent is 0, the packet of UE buffer area can not get for a long time the scheduling after will be abandoned by overtime.
As shown in Figure 1, UE triggers the buffer area that gives the correct time on BSR not for empty, the base station is upgraded the UE buffer data size BO of its maintenance and is given the UE data dispatching by this, when the data volume through dispatching after a while the maintenance of base station side is 0, at this moment data dispatching will not continued to UE in the base station, at this moment the UE side has produced new packet but has not had BSR to report chance, and data can not get scheduling for a long time will packet loss.
Summary of the invention
For defects, the invention provides a kind of uplink data scheduling method and device for the LTE system, be used for upgrading under out of step conditions at the buffer data size of base station side and UE side, alleviate and avoid UE to can not get for a long time dispatching the data loss problem that causes.
Technical scheme of the present invention is a kind of uplink data scheduling method for the LTE system, and the base station receives the buffer status report that subscriber equipment sends, and according to the buffer memory data volume to be sent of buffer memory report and subscriber equipment uplink scheduling situation maintenance customer equipment; When the buffer memory data volume to be sent of the maintenance customer of institute equipment was 0, the base station judge according to the state of the data block received whether UE also has the data needs to dispatch, and continued UE is carried out data dispatch or no longer to the UE data dispatching according to the judged result base station.
And described base station judges according to the state of the data block of receiving whether UE also has the data needs to dispatch, and implementation is as follows,
If in data block, the number of filling bit number is less than predetermined threshold, described base station judgement subscriber equipment also has data need to continue scheduling, otherwise base station judgement subscriber equipment does not have data need to continue scheduling.
And the base station is carried out data dispatch to UE and is carried out according to the service feature of subscriber equipment.
And the base station is carried out data dispatch to UE and is carried out according to business number and the service feature calculating desired data amount of subscriber equipment.
The present invention is also corresponding provides a kind of uplink data scheduling device for the LTE system, be included in arrange in the base station with lower module,
Receiver module be used for to receive the buffer status report that subscriber equipment sends, and according to the buffer memory data volume to be sent of buffer memory report and subscriber equipment uplink scheduling situation maintenance customer equipment;
The judgement scheduler module, be used for when the buffer memory data volume to be sent of the maintenance customer of institute equipment is 0, the base station judge according to the state of the data block received whether UE also has the data needs to dispatch, and continues UE is carried out data dispatch or no longer to the UE data dispatching according to the judged result base station.
And, described judge scheduler module according to the state of the data block received judge UE whether in addition the data needs dispatch, implementation is as follows,
If in data block, the number of filling bit number is less than predetermined threshold, described base station judgement subscriber equipment also has data need to continue scheduling, otherwise base station judgement subscriber equipment does not have data need to continue scheduling.
And described judgement scheduler module is carried out data dispatch to UE and is carried out according to the service feature of subscriber equipment.
And described judgement scheduler module is carried out data dispatch to UE and is carried out according to business number and the service feature calculating desired data amount of subscriber equipment.
The technical scheme of uplink data scheduling provided by the present invention can by detection analyze that business datum that UE sends judges in the situation that its safeguard UE data cached be whether 0 UE also has data to need scheduling.Compared with prior art, the present invention can be in the data cached inconsistent situation that base station and subscriber equipment are safeguarded, rationally judge whether subscriber equipment also needs data dispatch, can prevent that customer equipment data from no longer dispatching the loss of data that causes, and can effectively guarantee the continuity of user apparatus service.
Description of drawings
Fig. 1 is the uplink data scheduling schematic flow sheet of prior art;
Fig. 2 is the uplink data scheduling schematic flow sheet of the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides in a kind of data cached inconsistent situation for safeguarding at base station and subscriber equipment, rationally judge whether subscriber equipment also needs the method for data dispatch, can prevent that customer equipment data from no longer dispatching the loss of data that causes, and can also effectively reduce the running time-frequency resource waste.The base station receives and safeguards the buffer status report that described subscriber equipment sends, and judges in conjunction with the data block state of receiving, determines whether subscriber equipment has need to carry out data dispatch.When the UE cache information of base station side maintenance is not 0, be the UE data dispatching according to the cache information of safeguarding.When the cache information for certain UE is 0, determine whether that according to the filling bit number that comprises in the upper transmission block of this UE (i.e. the up-to-date data block that is transferred to the base station of this UE) of receiving this UE continues data dispatching.Because filling bit is the extra filling bit that increases not having data bit to transmit usually, if filling bit is during too much namely greater than a certain predetermined threshold, illustrate that the buffer area of UE is for empty, otherwise when filling bit is 0 or during less than certain thresholding, illustrate that this UE might also have data etc. to be sent, the base station can continue as its data dispatching.
Below, the embodiment of the present invention is in connection with the described flow process of above-mentioned Fig. 2, introduce in detail the method for a kind of uplink data scheduling that the embodiment of the present invention provides, the method can in the data cached inconsistent situation of safeguarding at base station and subscriber equipment, judge rationally whether subscriber equipment also needs data dispatch.Embodiment can adopt software engineering to realize automatic operational process, and flow process can comprise the following steps:
201, the base station receives the buffer status report that UE sends, and safeguards described UE buffer memory data volume to be sent according to buffer status report and UE uplink scheduling situation.
During concrete enforcement, base station assigns UE sends data, when the UE that distributes has sent data, and the corresponding renewal of the UE of base station maintenance data volume to be sent, thus realize dispatching.In step 201, the base station receives the buffer status report that UE sends, and upgrades the UE buffer memory data volume to be sent of its maintenance according to report content.Thereafter the base station be the UE data dispatching and according to the scheduling data volume and the buffer status report maintenance update UE buffer memory data volume to be sent of newly receiving.For example, when having dispatched data volume, the data volume to be sent of base station maintenance just deducts the data volume of scheduling; When receiving new UE buffer memory report (being exactly data volume to be sent), substitute the original data volume to be sent in base station.
202, when the UE buffer memory data volume to be sent of safeguarding is 0, the base station judges according to the state of the data block of receiving whether UE also has the data needs to dispatch.
In step 202, the base station judges according to the data block state of receiving whether UE also has the data needs to dispatch and comprise:
During too much namely greater than predetermined threshold, judge that described UE does not have data etc. to be sent, enters step 204 when filling bit in data block, otherwise when filling bit during less than or equal to predetermined threshold, judge that this UE also has data etc. to be sent, enter step 203, the base station can continue as its data dispatching.Those skilled in the art can arrange predetermined threshold voluntarily, are generally 1 ~ 3 byte.For example filling bit is 0 o'clock, less than 1 byte of predetermined threshold.
203, the base station continues UE is carried out data dispatch.
This step also has the rear execution to be sent such as data at judgement UE.In step 203, the concrete scheduling operation of embodiment is that fixing a certain amount of data of scheduling for UE are come according to the feature of UE business in the base station.During concrete enforcement, can be with flow setting after this scheduling is complete, can again begin to carry out from step 201 in next dispatcher.
Concrete, comprise for the fixing data dispatching of UE according to the feature of UE business:
Be every kind of business setting tentation data value, the predetermined data value that different traffic set is different.
After definite UE is certain business, directly do not dispatch corresponding scheduled traffic data to it with reference to UE data volume to be sent.This predetermined amount of data is all to set according to the data volume characteristic of different business.
During concrete enforcement, also can not adopt this dispatching method, namely not give scheduling fixed size data.This situation is also in the protection range that the present invention requires.
The present invention further proposes, and the business number and the service feature that can analysis-by-synthesis UE comprise add up to obtain UE and estimate the desired data amount.The corresponding UE that gives that the base station is in good time dispatches this equivalent data.
As UE, two business being arranged, the predetermined amount of data of each business is respectively D1 and D2, and this moment, UE desired data amount was D1+D2 so.
204, the UE data dispatching is no longer given in the base station.
This step does not have the rear execution to be sent such as data at judgement UE.During concrete enforcement, can be set to data volume to be sent as the user and arrive again 0 this UE when above and just can again participate in dispatching.
The structure of the device of the uplink data scheduling that the embodiment of the present invention provides can comprise:
Receiver module be used for to receive the buffer status report that subscriber equipment sends, and according to the buffer memory data volume to be sent of buffer memory report and subscriber equipment uplink scheduling situation maintenance customer equipment;
The judgement scheduler module, be used for when the buffer memory data volume to be sent of the maintenance customer of institute equipment is 0, the base station judge according to the state of the data block received whether UE also has the data needs to dispatch, and continues UE is carried out data dispatch or no longer to the UE data dispatching according to the judged result base station.
Particularly, judge scheduler module judges according to the state of the data block of receiving whether UE also has the data needs to dispatch, and implementation is as follows,
If in data block, the number of filling bit number is less than predetermined threshold, described base station judgement subscriber equipment also has data need to continue scheduling, otherwise base station judgement subscriber equipment does not have data need to continue scheduling.
Described judgement scheduler module is carried out data dispatch to UE and is carried out according to the service feature of subscriber equipment, namely comes fixing a certain amount of data of scheduling for UE according to the feature of UE business.Can also carry out data dispatch to UE carries out according to business number and the service feature calculating desired data amount of subscriber equipment.
The method and apparatus of the above uplink data scheduling that the embodiment of the present invention is provided is described in detail, used specific case herein principle of the present invention and way of example are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. uplink data scheduling method that is used for the LTE system, it is characterized in that: the base station receives the buffer status report that subscriber equipment sends, and according to the buffer memory data volume to be sent of buffer memory report and subscriber equipment uplink scheduling situation maintenance customer equipment; When the buffer memory data volume to be sent of the maintenance customer of institute equipment was 0, the base station judge according to the state of the data block received whether UE also has the data needs to dispatch, and continued UE is carried out data dispatch or no longer to the UE data dispatching according to the judged result base station.
2. be used for according to claim 1 the uplink data scheduling method of LTE system, it is characterized in that: described base station judges according to the state of the data block of receiving whether UE also has the data needs to dispatch, and implementation is as follows,
If in data block, the number of filling bit number is less than predetermined threshold, described base station judgement subscriber equipment also has data need to continue scheduling, otherwise base station judgement subscriber equipment does not have data need to continue scheduling.
3. described uplink data scheduling method for the LTE system according to claim 1 and 2 is characterized in that: the base station is carried out data dispatch to UE and is carried out according to the service feature of subscriber equipment.
4. be used for according to claim 3 the uplink data scheduling method of LTE system, it is characterized in that: the base station is carried out data dispatch to UE and is carried out according to business number and the service feature calculating desired data amount of subscriber equipment.
5. uplink data scheduling device that is used for the LTE system is characterized in that: be included in arrange in the base station with lower module,
Receiver module be used for to receive the buffer status report that subscriber equipment sends, and according to the buffer memory data volume to be sent of buffer memory report and subscriber equipment uplink scheduling situation maintenance customer equipment;
The judgement scheduler module, be used for when the buffer memory data volume to be sent of the maintenance customer of institute equipment is 0, the base station judge according to the state of the data block received whether UE also has the data needs to dispatch, and continues UE is carried out data dispatch or no longer to the UE data dispatching according to the judged result base station.
6. be used for according to claim 5 the uplink data scheduling device of LTE system, it is characterized in that: described judge scheduler module according to the state of the data block of receiving judge UE whether in addition the data needs dispatch, implementation is as follows,
If in data block, the number of filling bit number is less than predetermined threshold, described base station judgement subscriber equipment also has data need to continue scheduling, otherwise base station judgement subscriber equipment does not have data need to continue scheduling.
7. according to claim 5 or 6 described uplink data scheduling devices for the LTE system is characterized in that: described judgement scheduler module is carried out data dispatch to UE and is carried out according to the service feature of subscriber equipment.
8. be used for according to claim 7 the uplink data scheduling device of LTE system, it is characterized in that: described judgement scheduler module is carried out data dispatch to UE and is carried out according to business number and the service feature calculating desired data amount of subscriber equipment.
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| CN 201310038105 CN103139925A (en) | 2013-01-31 | 2013-01-31 | Upstream data dispatch method used for local thermodynamic equilibrium (LTE) system and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202944A (en) * | 2014-08-08 | 2014-12-10 | 华为技术有限公司 | Single-plate cooling device and communication equipment |
| WO2014205817A1 (en) * | 2013-06-28 | 2014-12-31 | 华为技术有限公司 | Data scheduling method, apparatus and system |
| WO2017113993A1 (en) * | 2015-12-31 | 2017-07-06 | 中兴通讯股份有限公司 | Method and device for adjusting resource scheduling |
| WO2017186014A1 (en) * | 2016-04-28 | 2017-11-02 | 上海朗帛通信技术有限公司 | Method and device for wireless communication-related ue unit and base station |
| CN107690195A (en) * | 2016-08-03 | 2018-02-13 | 普天信息技术有限公司 | A kind of Multi net voting Resource co-allocation method |
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2013
- 2013-01-31 CN CN 201310038105 patent/CN103139925A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014205817A1 (en) * | 2013-06-28 | 2014-12-31 | 华为技术有限公司 | Data scheduling method, apparatus and system |
| CN104202944A (en) * | 2014-08-08 | 2014-12-10 | 华为技术有限公司 | Single-plate cooling device and communication equipment |
| CN104202944B (en) * | 2014-08-08 | 2017-04-12 | 华为技术有限公司 | Single-plate cooling device and communication equipment |
| WO2017113993A1 (en) * | 2015-12-31 | 2017-07-06 | 中兴通讯股份有限公司 | Method and device for adjusting resource scheduling |
| CN106937397A (en) * | 2015-12-31 | 2017-07-07 | 中兴通讯股份有限公司 | Scheduling of resource method of adjustment and device |
| WO2017186014A1 (en) * | 2016-04-28 | 2017-11-02 | 上海朗帛通信技术有限公司 | Method and device for wireless communication-related ue unit and base station |
| CN107690195A (en) * | 2016-08-03 | 2018-02-13 | 普天信息技术有限公司 | A kind of Multi net voting Resource co-allocation method |
| CN107690195B (en) * | 2016-08-03 | 2020-05-05 | 普天信息技术有限公司 | Multi-network resource joint distribution method |
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Application publication date: 20130605 |