CN106941728A - A kind of up dynamic dispatching method and device - Google Patents

A kind of up dynamic dispatching method and device Download PDF

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Publication number
CN106941728A
CN106941728A CN201610006712.3A CN201610006712A CN106941728A CN 106941728 A CN106941728 A CN 106941728A CN 201610006712 A CN201610006712 A CN 201610006712A CN 106941728 A CN106941728 A CN 106941728A
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data
interval
business
scheduling
transmission
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CN201610006712.3A
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张凯
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Potevio Information Technology Co Ltd
Putian Information Technology Co Ltd
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Putian Information Technology Co Ltd
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Priority to CN201610006712.3A priority Critical patent/CN106941728A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to a kind of up dynamic dispatching method and device, this method includes:During speech business, detect when last time effective scheduling instance to the time interval at current time reaches default interval dispatching cycle, according to the business flow velocity and default interval dispatching cycle counted in advance, calculate and update BSR;Carry out uplink scheduling and data transfer;After the completion of data transfer, the periodic scheduling interval is reset.The present invention is updated by BSR based on business statistics, property performance period, the dynamic dispatching that is triggered independent of SR, is reduced the coupling of SR configuration cycles and service period, is reduced because of the propagation delay time that SR is introduced.Simultaneously based on adaptive retransmission, there is provided transmission reliability for quick adjustment voice service scheduling MCS and PRB positions.

Description

A kind of up dynamic dispatching method and device
Technical field
The present invention relates to wireless communication technology field, more particularly, to the up dynamic dispatching method and device of a kind of VOLET systems.
Background technology
In LTE system, introduce after VoLTE business, have higher requirement to the propagation delay time of LTE system.But in existing uplink scheduling flow, base station, which needs to receive dispatch request SR and buffer status reporting BSR Twice requests, could start voice data transmission, therefore, at least need could set up voice transfer two dispatching cycles, so that scheduling time is long.
Meanwhile, periodic speech data need wait SR could start scheduling, this understand due to reasons such as SR excessive cycles or missing inspections, cause scheduling occasion to be matched with business bad.In addition, the Real-time Transport Protocol of transmission voice is extremely sensitive to time delay, so ARQ can not be used to retransmit, so can only be retransmitted by Harq mechanism, reliability is poor.
The content of the invention
Regarding to the issue above, the present invention provides a kind of up dynamic dispatching method and device of VOLET systems, by being updated periodically BSR, to realize and trigger dynamic dispatching independent of SR, reduces the coupling of SR configuration cycles and service period, shorten the SR stand-by period.
Based on above-mentioned purpose, one aspect of the present invention proposes a kind of up dynamic dispatching method, it is characterised in that including:
During speech business, detect when last time effective scheduling instance to the time interval at current time reaches default interval dispatching cycle, according to the business flow velocity and default interval dispatching cycle counted in advance, calculate and update BSR;
Carry out uplink scheduling and data transfer;
After the completion of data transfer, the periodic scheduling interval is reset.
Wherein, it is described to detect before last time effective scheduling instance to the time interval at current time reaches default intervalometer dispatching cycle, also include:
Speech business traffic statistics are carried out, and consider MAC layer and rlc layer packet header expense, generation is calculated and eats dishes without rice or wine business flow velocity.
Wherein, the carry out data flux statistics, are specifically included:
Concatenated according to the segmentation of rlc layer, traffic statistics are carried out to the Real-time Transport Protocol data submitted to high level.
It is wherein, described to carry out data transmission, specifically include:
When detect transmission data be new biography data when, judge the new biography data whether transmission success;
It is then after the completion of data transfer, to reset the periodic scheduling interval;
Otherwise data re-transmission is carried out, and self-adaptative adjustment is carried out to data re-transmission.
Wherein, described retransmitted to data carries out self-adaptative adjustment, specifically includes:
Default interval interior to the downward adjustment of MCS;
According to the MCS after adjustment, PRB numbers are adjusted correspondingly.
In another aspect of the present invention, there is provided a kind of up dynamic scheduler, it is characterised in that including:
BSR update modules, for during speech business, detect when last time effective scheduling instance to the time interval at current time reaches default interval dispatching cycle, according to the business flow velocity and default interval dispatching cycle counted in advance, calculate and update BSR;
Data transmission module, for carrying out uplink scheduling and data transfer;
Dispatching cycle, interval reset module, for after the data transfer is complete, resetting interval dispatching cycle.
Wherein, described device also includes:
Business Stream speed generation module, for carrying out speech business traffic statistics, and considers MAC layer and rlc layer packet header expense, calculates generation and eats dishes without rice or wine business flow velocity.
Wherein, the fast generation module of the Business Stream, is specifically included:
The Real-time Transport Protocol data submitted to high level, for being concatenated according to the segmentation of rlc layer, are carried out traffic statistics by statistics of circulation unit.
Wherein, the data transmission module, is specifically included:
Detection unit is transmitted, for detecting whether transmission data are new biography data;
Data transmission unit, for new biography data to be transmitted;
Data retransmission unit, for retransmitting data after retransmitting progress self-adaptative adjustment to data.
Wherein, the data retransmission unit specifically for,
Default interval interior to the downward adjustment of MCS;And according to the MCS after adjustment, PRB numbers are adjusted correspondingly.
Up dynamic dispatching method and device that the present invention is provided, for VoLTE business model features, establish it is a kind of based on uplink service count, by dynamic adjustment because of the method for the SR scheduling authorization sizes triggered, uplink scheduling flow can be simplified, BSR transmission process is omitted, and greatly shortens voice transfer time delay, voice quality is improved;In addition, updated by BSR, property performance period, independent of SR trigger dynamic dispatching, reduce the coupling of SR configuration cycles and service period, reduce because of the propagation delay time that SR is introduced, while based on adaptive retransmission, quick adjustment voice service scheduling MCS and PRB positions, transmission reliability is provided, and obtains certain frequency selection gain.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, one will be made to the accompanying drawing to be used needed for embodiment or description of the prior art below simply to introduce, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the message transmitting method of ROHC compressions in VOLET systems in one embodiment of the invention;
Fig. 2 is a kind of structured flowchart of the message transfer system of ROHC compressions in VOLET systems in one embodiment of the invention;
Fig. 3 is the schematic flow sheet of one embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
One aspect of the present invention proposes a kind of up dynamic dispatching method of VOLET business, it is characterised in that including:
S1, during speech business, detect when last time effective scheduling instance to the time interval at current time reaches default interval dispatching cycle, according to the business flow velocity and default interval dispatching cycle counted in advance, calculate and update BSR;
S2, progress uplink scheduling and data transfer;
After the completion of S3, data transfer, the periodic scheduling interval is reset.
In addition, before step S1, also including:Concatenated according to the segmentation of rlc layer, speech business traffic statistics are carried out to the Real-time Transport Protocol data submitted to high level, and consider MAC layer and rlc layer packet header expense, calculated generation and eat dishes without rice or wine business flow velocity.
Further, carry out data transmission in step S2, specifically include:
When detect transmission data be new biography data when, judge the new biography data whether transmission success;
It is then after the completion of data transfer, to reset the periodic scheduling interval;
Otherwise data re-transmission is carried out, and self-adaptative adjustment is carried out to data re-transmission.
In addition, when detecting transmission data to retransmit data, then being retransmitted to data and carrying out self-adaptative adjustment, be then transmitted again.
Further, data are retransmitted and carries out self-adaptative adjustment, specifically included:Default interval interior to the downward adjustment of MCS;According to the MCS after adjustment, PRB numbers are adjusted correspondingly.
In the present embodiment, when retransmitting, to improve the scheduling success ratio of speech data, the adaptive retransmission participated in using PDCCH, the present embodiment is carried out quickly adjusting downwards by the MCS for using 3 Harq re-transmissions by default decline step-length.To improve voice data transmission reliability, while can be changed in PRB selections, certain frequency selection gain is obtained.
Specifically, during the self-adaptative adjustment of above-mentioned re-transmission, MCS adjustment downwards should not cause modulation system QM change.That is MCS adjustment should be carried out in following 3 intervals.0-9/10-16/17-28.
In addition, after MCS adjustment, PRB numbers should follow adjustment, and it is final to keep TBS not change, to ensure soft merging gain.Such as MCS=24, PRB=3, TBS=1800bit scheduling first, after adjustment, MCS=17, PRB=5, TBS=1800bit re-transmission should be used.
Finally, the selection of PRB positions, which is followed, reversely searches available position.Looked for from low to high as head is passed, then retransmit and look for from high to low first, so as to obtain certain frequency selection gain.
In the above method, after default time interval, according to the business flow velocity and default interval dispatching cycle previously generated, directly calculate and update BSR, so as to property performance period, independent of SR trigger dynamic dispatching, the coupling of SR configuration cycles and service period is reduced, the SR stand-by period is shortened.
In addition, in the above method of the present invention, given the correct time on SR, equally update BSR, the process is similar with scheduling flow of the prior art, will not be repeated here.
According to another aspect of the present invention there is provided a kind of up dynamic scheduler, including:
BSR update modules 10, for during speech business, detect when last time effective scheduling instance to the time interval at current time reaches default interval dispatching cycle, according to the business flow velocity and default interval dispatching cycle counted in advance, calculate and update BSR;
Data transmission module 20, for carrying out uplink scheduling and data transfer;
Dispatching cycle, interval reset module 30, for after the data transfer is complete, resetting interval dispatching cycle.
Further, described device also includes:
Business Stream speed generation module, for carrying out speech business traffic statistics, and considers MAC layer and rlc layer packet header expense, calculates generation and eats dishes without rice or wine business flow velocity.
In addition, the fast generation module of above-mentioned Business Stream, is specifically included:
The Real-time Transport Protocol data submitted to high level, for being concatenated according to the segmentation of rlc layer, are carried out traffic statistics by statistics of circulation unit.
In another embodiment of the present invention, the data transmission module 20 is specifically included:
Detection unit is transmitted, for detecting whether transmission data are new biography data;
Data transmission unit, for new biography data to be transmitted;
Data retransmission unit, for retransmitting data after retransmitting progress self-adaptative adjustment to data.
Further, the data retransmission unit is specifically for default interval interior to the downward adjustment of MCS;And according to the MCS after adjustment, PRB numbers are adjusted correspondingly.
The present embodiment is the embodiment of the system of the present invention, and because the embodiment to method is substantially similar, so description is fairly simple, related part refers to the explanation of embodiment of the method part.
The uplink dispatch method of the present invention is described in detail below by way of specific embodiment.
Reference picture 3, the uplink dispatch method of one embodiment of the present of invention, its detailed process is:
S10, beginning, the user for having set up QCI=1 speech businesses enter this flow when processing is per TTI uplink schedulings.
The Real-time Transport Protocol data submitted to high level are carried out traffic statistics, and in view of MAC, rlc layer packet header expense, generate business flow velocity by S20, the segmentation concatenation by rlc layer.
S30, judge whether that detecting SR in SR periodic points reports.
S40, judge whether last time effective scheduling instance was had timed, out to the current moment, if trigger periodic scheduling intervalometer.
S50, step S30 or step S40 is met, then trigger uplink scheduling.Wherein, when trigger condition is step S40, triggering mode is, according to business flow velocity, and scheduling interval timer, to calculate and directly update BSR, and BSR processes are updated by SR scheduling so as to save.
S60, into uplink scheduling flow, carry out PDCCH transmissions, PUSCH and receive to prepare, and fed back according to PHICH, judge whether to enter and retransmit.
S70, when retransmitting, for improve speech data scheduling success ratio, the adaptive retransmission participated in using PDCCH.Different from conventional non-self-adapting re-transmission, 3 Harq, which retransmit the MCS used, to carry out quick adjustment downwards by default decline step-length, to improve voice data transmission reliability, while can be changed in PRB selections, obtain certain frequency selection gain.
S80, after the Harq ends of transmission, update last scheduling instance, overtime timer dispatched for maintenance period.
S90, end.
Up dynamic dispatching method and device that the present invention is provided, for VoLTE business model features, establish it is a kind of based on uplink service count, by dynamic adjustment because of the method for the SR scheduling authorization sizes triggered, uplink scheduling flow can be simplified, BSR transmission process is omitted, and greatly shortens voice transfer time delay, voice quality is improved;In addition, updated by BSR, property performance period, independent of SR trigger dynamic dispatching, reduce the coupling of SR configuration cycles and service period, reduce because of the propagation delay time that SR is introduced, while based on adaptive retransmission, quick adjustment voice service scheduling MCS and PRB positions, transmission reliability is provided, and obtains certain frequency selection gain.
Although being described in conjunction with the accompanying embodiments of the present invention, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such modification and modification are each fallen within be defined by the appended claims within the scope of.
In the specification of the present invention, numerous specific details are set forth.It is to be appreciated, however, that embodiments of the invention can be put into practice in the case of these no details.In some instances, known method, structure and technology is not been shown in detail, so as not to obscure the understanding of this description.
Similarly, it should be understood that, disclose in order to simplify the present invention and helps to understand one or more of each inventive aspect, above in the description of exemplary embodiment of the invention, each feature of the invention is grouped together into single embodiment, figure or descriptions thereof sometimes.It is intended to however, should not explain the method for the disclosure in reflection is following:I.e. the present invention for required protection requires features more more than the feature being expressly recited in each claim.More precisely, as the following claims reflect, inventive aspect is all features less than single embodiment disclosed above.Therefore, it then follows thus claims of embodiment are expressly incorporated in the embodiment, wherein each claim is in itself as the separate embodiments of the present invention.
It will be understood by those skilled in the art that can carry out adaptively changing and being provided in the different one or more equipment of the embodiment them to the module in the equipment in embodiment.Module or unit or component in embodiment can be combined into a module or unit or component, and multiple submodule or subelement or sub-component can be divided into addition., can be using any combinations to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and all processes or unit of so disclosed any method or equipment be combined except at least some in such feature and/or process or unit are mutually exclusive parts.Unless expressly stated otherwise, each feature disclosed in this specification (including adjoint claim, summary and accompanying drawing) can the alternative features of or similar purpose identical, equivalent by offer replace.
In addition, those skilled in the art it will be appreciated that, although some embodiments described herein include some features rather than further feature included by other embodiments, the not combination of the feature of be the same as Example means to be within the scope of the present invention and forms different embodiments.For example, in the following claims, the one of any of embodiment claimed mode can use in any combination.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In the claims, any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of element not listed in the claims or step.Word "a" or "an" before element does not exclude the presence of multiple such elements.The present invention can be by means of including the hardware of some different elements and being realized by means of properly programmed computer.In if the unit claim of equipment for drying is listed, several in these devices can be embodied by same hardware branch.The use of word first, second, and third does not indicate that any order.These words can be construed to title.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that:It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent to which part or all technical characteristic;And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme, it all should cover among the claim of the present invention and the scope of specification.

Claims (10)

1. a kind of up dynamic dispatching method, it is characterised in that including:
During speech business, detect last time effective scheduling instance to current time when Between interval when reaching default interval dispatching cycle, according to the business flow velocity counted in advance and pre- If interval dispatching cycle, calculate and update BSR;
Carry out uplink scheduling and data transfer;
After the completion of data transfer, the periodic scheduling interval is reset.
2. according to the method described in claim 1, it is characterised in that described to detect in last time Effective scheduling instance reaches default interval dispatching cycle regularly to the time interval at current time Before device, also include:
Speech business traffic statistics are carried out, and consider MAC layer and rlc layer packet header expense, are counted Generation is calculated to eat dishes without rice or wine business flow velocity.
3. method according to claim 2, it is characterised in that the carry out data traffic Statistics, is specifically included:
Concatenated according to the segmentation of rlc layer, flow is carried out to the Real-time Transport Protocol data submitted to high level Statistics.
4. according to the method described in claim 1, it is characterised in that described to carry out data transmission, Specifically include:
When it is new biography data to detect transmission data, judge whether the new biography data are transmitted into Work(;
It is then after the completion of data transfer, to reset the periodic scheduling interval;
Otherwise data re-transmission is carried out, and self-adaptative adjustment is carried out to data re-transmission.
5. method according to claim 2, it is characterised in that it is described data are retransmitted into Row self-adaptative adjustment, is specifically included:
Modulation and coded system MCS are adjusted downwards in default interval;
According to the MCS after adjustment, Physical Resource Block PRB numbers are adjusted correspondingly.
6. a kind of up dynamic scheduler of VOLET business, it is characterised in that including:
BSR update modules, were effectively dispatched for during speech business, detecting in last time When the time interval at moment to current time reaches default interval dispatching cycle, according to advance system The business flow velocity of meter and default interval dispatching cycle, calculate and update BSR;
Data transmission module, for carrying out uplink scheduling and data transfer;
Dispatching cycle, interval reset module, for after the data transfer is complete, resetting the scheduling Period distances.
7. device according to claim 6, it is characterised in that described device also includes:
Business Stream speed generation module, for carrying out speech business traffic statistics, and considers MAC Layer and rlc layer packet header expense, calculate generation and eat dishes without rice or wine business flow velocity.
8. device according to claim 7, it is characterised in that the Business Stream fast-growing into Module, is specifically included:
Statistics of circulation unit, for being concatenated according to the segmentation of rlc layer, to what is submitted to high level Real-time Transport Protocol data carry out traffic statistics.
9. device according to claim 6, it is characterised in that the data transmission module, Specifically include:
Detection unit is transmitted, for detecting whether transmission data are new biography data;
Data transmission unit, for new biography data to be transmitted;
Data retransmission unit, for retransmitting data after retransmitting progress self-adaptative adjustment to data.
10. device according to claim 9, it is characterised in that the data retransmit single Member is specifically for default interval interior to the downward adjustment of MCS;And according to adjustment after MCS, is adjusted correspondingly to PRB numbers.
CN201610006712.3A 2016-01-04 2016-01-04 A kind of up dynamic dispatching method and device Pending CN106941728A (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109729592A (en) * 2019-01-17 2019-05-07 中磊电子(苏州)有限公司 Base station and its resource allocation methods
CN112189375A (en) * 2020-08-25 2021-01-05 北京小米移动软件有限公司 Transmission scheduling method, transmission scheduling device, communication equipment and storage medium

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CN102291835A (en) * 2010-06-21 2011-12-21 中兴通讯股份有限公司 Wireless resource scheduling method, access network element and terminal
CN102665270A (en) * 2012-05-16 2012-09-12 刘星 Method for reducing uplink voice service transmission delay in long term evolution (LTE) system
CN105188150A (en) * 2015-08-12 2015-12-23 中国电子科技集团公司第七研究所 Method and system for lowering long term evolution (LTE) uplink data transmission delay

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Publication number Priority date Publication date Assignee Title
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CN102291835A (en) * 2010-06-21 2011-12-21 中兴通讯股份有限公司 Wireless resource scheduling method, access network element and terminal
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CN112189375A (en) * 2020-08-25 2021-01-05 北京小米移动软件有限公司 Transmission scheduling method, transmission scheduling device, communication equipment and storage medium
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