CN102843774A - Method, device and system for sending status report of RLC layer - Google Patents
Method, device and system for sending status report of RLC layer Download PDFInfo
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- CN102843774A CN102843774A CN2011101665297A CN201110166529A CN102843774A CN 102843774 A CN102843774 A CN 102843774A CN 2011101665297 A CN2011101665297 A CN 2011101665297A CN 201110166529 A CN201110166529 A CN 201110166529A CN 102843774 A CN102843774 A CN 102843774A
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- newspaper
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- state newspaper
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
Abstract
The invention discloses a method, a device and a system for sending the status report of an RLC (Radio Link Control) layer. The method for sending the status report of the RLC layer comprises the following steps: establishing a status report, and setting the status report as the status to be sent; receiving the dispatch notification of the bottom layer, and obtaining dispatch bandwidth; judging whether the length of the status report is greater than the dispatch bandwidth, and if yes, splitting the status report and dispatching and outputting the dispatched status reports time after time; and then setting the status report as the sending-completed status. The device for sending the status report of the RLC layer comprises a status report constructing module, a resource acquiring module, a dispatch output module and a status setting module. The method, the device and the system for sending the status report of the RLC layer improve the timeliness in sending a status report on the data receiving side under the condition that the dispatch bandwidth is insufficient, so that the timeliness in sending data on the data sending side and the timeliness in sending data to the upper layer on the data receiving side are improved.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to the methods, devices and systems that a kind of rlc layer state newspaper sends.
Background technology
At LTE (Long Term Evolution; Long Term Evolution) under AM (affirmation mode) pattern of RLC (Radio Link Control, Radio Link control), for the reliability that guarantees to transmit; Give transmitter side by the receiver side status report; The result that transmitter side reports according to the state newspaper discharges the datagram of receiving affirmation, and the datagram of not receiving affirmation is retransmitted.
Yet, in state newspaper transmission implementation procedure, when scheduling bandwidth very little; During less than the length of state newspaper; Common processing method is at present: according to the size of scheduling bandwidth, splitting branch state newspaper is two, and first state newspaper sends; And second abandoned, and the transmit status that the state newspaper is set is for send completion status.Because the state of state newspaper causes when next scheduling bandwidth arrives for sending completion status, can not send out the state newspaper again, can only wait for that transmitter side triggers once more.
The shortcoming of this way:, make the data cached newspaper of transmitter side can not get timely release, the committed memory space because the status report that receiver side reports is untimely; More serious is; After send window has been expired, do not receive the upper strata and deliver data, transfer of data is stopped.Equally, because the transmission of receiver side state newspaper is untimely, the datagram of re-transmission is in time retransmitted, the reception data that influenced receiver side are in time delivered to the upper strata.
Summary of the invention
The methods, devices and systems that the present invention provides a kind of rlc layer state newspaper to send, the untimely data transmitter side that brings of transmission state newspaper sends data interruption in the prior art, the Data Receiving side joint is received the problem that data can not in time be delivered to the upper strata in order to solve.
In order to address the above problem, the present invention adopts following technical scheme:
On the one hand, the method that the present invention provides a kind of rlc layer state newspaper to send comprises:
Structural regime newspaper, and said state newspaper is set is state to be sent;
Receive the bottom dispatch notification, obtain scheduling bandwidth;
Whether the length of judging said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported;
Said state newspaper is set for sending completion status.
In the said method, said scheduling several times after the fractionation of state newspaper is exported comprises:
Step 21, said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
Step 22, receive the bottom dispatch notification once more, obtain scheduling bandwidth;
Step 23, judge remainder the length of state newspaper whether greater than the scheduling bandwidth that obtains once more, if, execution in step 24; Otherwise, directly the state newspaper scheduling of said remainder is exported;
Step 24, the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step 22.
Further, said method also comprises:
When the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
On the other hand, the device that the present invention also provides a kind of rlc layer state newspaper to send comprises:
State newspaper constructing module is used for the structural regime newspaper, and said state newspaper is set is state to be sent;
The resource acquisition module is used to receive the bottom dispatch notification, obtains scheduling bandwidth;
Dispatch output module, whether the length that is used to judge said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported;
State setting module is used for after said scheduling output module is accomplished the scheduling output to said state newspaper, said state newspaper is set for sending completion status.
Further, said scheduling output module specifically comprises:
Split submodule, be used for said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
The resource acquisition submodule is used for receiving the bottom dispatch notification once more, obtains scheduling bandwidth;
Whether scheduling output sub-module, the length of state newspaper that is used to judge remainder greater than the scheduling bandwidth that obtains once more, if trigger said fractionation submodule the state newspaper of remainder is carried out deconsolidation process; Otherwise, directly the state newspaper scheduling of said remainder is exported.
Further, said scheduling output module also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
Again on the one hand, the system that the present invention also provides a kind of rlc layer state newspaper to send comprises: data sink and data sending device;
Said data sink is used for structural regime newspaper, and said state newspaper is set is state to be sent; Receive the bottom dispatch notification, obtain scheduling bandwidth; And whether the length of judging said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported; And after said state newspaper all is scheduled output, said state newspaper is set for sending completion status;
Said data sending device is used to receive the state newspaper that said data sink scheduling is exported, and realizes the release to the data in buffer newspaper based on said state newspaper.
Wherein, scheduling output several times comprised after said data sink split the state newspaper:
Step 81, said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
Step 82, receive the bottom dispatch notification once more, obtain scheduling bandwidth;
Step 83, judge remainder the length of state newspaper whether greater than the scheduling bandwidth that obtains once more, if, execution in step 84; Otherwise, directly the state newspaper scheduling of said remainder is exported;
Step 84, the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step 82.
Further, said data sink also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
Further, said data sending device also is used to trigger said data sink uploaded state newspaper;
Said data sink also is used for after receiving the trigger action of data sending device, the structural regime newspaper.
Compared with prior art, beneficial effect of the present invention is following:
Methods, devices and systems of the present invention; Promoted under the situation of scheduling bandwidth deficiency; The promptness of Data Receiving side status report, and promoted the promptness of data transmitter side transmission data and the promptness of Data Receiving side direction upper strata delivery data thus.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram that a kind of rlc layer state newspaper provided by the invention sends;
The method flow diagram that the rlc layer state newspaper that Fig. 2 provides for the embodiment of the invention one sends;
The method flow diagram that the rlc layer state newspaper that Fig. 3 provides for the embodiment of the invention two sends;
Fig. 4 is the structure drawing of device that a kind of rlc layer state newspaper provided by the invention sends.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The methods, devices and systems that the present invention provides a kind of rlc layer state newspaper to send; Overcome and worked as in the prior art under the not enough situation of scheduling bandwidth; Data Receiving side transmit status newspaper is untimely, and the data transmitter side data that cause are sent and paused, and untimely shortcoming is delivered on Data Receiving side direction upper strata.
Method as shown in Figure 1, that rlc layer state newspaper provided by the invention sends comprises:
Step S101, structural regime newspaper, and said state newspaper is set is state to be sent;
Step S102, reception bottom dispatch notification are obtained scheduling bandwidth;
Step S103, judge said state newspaper length whether greater than said scheduling bandwidth, if, scheduling output several times after said state newspaper split;
This step is specially:
Step 1031, said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
Step 1032, receive the bottom dispatch notification once more, obtain scheduling bandwidth;
Step 1033, judge remainder the length of state newspaper whether greater than the scheduling bandwidth that obtains once more, if, execution in step 1034; Otherwise, directly the state newspaper scheduling of said remainder is exported;
Step 1034, the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step 1032.
Step S104, said state newspaper is set for sending completion status.
Provide two concrete embodiment of the present invention according to Fig. 2～Fig. 3 below, and combine description, further provide ins and outs of the present invention embodiment.
Embodiment one:
Method as shown in Figure 2, that present embodiment provides a kind of rlc layer state newspaper to send, this method is to report length when time scheduling bandwidth less than state, and next scheduling bandwidth length is that example describes greater than state newspaper length, specifically comprises:
Step S201, Data Receiving side joint are received the notice of the triggering uploaded state newspaper of data transmitter side, the assembled state newspaper, and state newspaper transmit status is set is state to be sent.
In the present embodiment, the state newspaper length after the order assembling is 30 bytes.
Step S202, Data Receiving side obtain dispatch notification, and it is 20 bytes that time scheduling bandwidth length is worked as in indication.
Step S203, Data Receiving side are judged the length of state newspaper greater than the length when time scheduling bandwidth, and splitting branch state newspaper is two; Wherein, first state newspaper is 20 bytes, and second state newspaper is 10 bytes.
Step S204, the utilization of Data Receiving side are dispatched first state newspaper when time scheduling bandwidth and are exported the data transmitter side to.
Step S205, Data Receiving side obtain dispatch notification once more, and it is 15 bytes that time scheduling bandwidth length is worked as in indication.
Step S206, Data Receiving side are judged the length of state newspaper less than the length when time scheduling bandwidth, directly send second state newspaper, and state newspaper transmit status are set for sending completion status.
Embodiment two:
As shown in Figure 3; The method that present embodiment provides a kind of rlc layer state newspaper to send, this method is to report length when time scheduling bandwidth less than state, and next scheduling bandwidth length is still less than state newspaper length; Next scheduling bandwidth length is that example describes greater than state newspaper length down, specifically comprises:
Step S301, Data Receiving side joint are received the notice of the triggering uploaded state newspaper of data transmitter side, the assembled state newspaper, and state newspaper transmit status is set is state to be sent.
In the present embodiment, the state newspaper length after the order assembling is 30 bytes.
Step S302, Data Receiving side obtain dispatch notification, and it is 20 bytes that time scheduling bandwidth length is worked as in indication.
Step S303, Data Receiving side are judged the length of state newspaper greater than the length when time scheduling bandwidth, and splitting branch state newspaper is two; Wherein, first state newspaper is 20 bytes, and second state newspaper is 10 bytes.
Step S304, the utilization of Data Receiving side are dispatched first state newspaper when time scheduling bandwidth and are exported the data transmitter side to.
Step S305, Data Receiving side obtain dispatch notification once more, and it is 5 bytes that time scheduling bandwidth length is worked as in indication.
Step S306, Data Receiving side are judged the length of state newspaper greater than the length when time scheduling bandwidth, and splitting branch state newspaper once more is two, and wherein, first is 5 bytes, and second is 5 bytes.
Step S307, the utilization of Data Receiving side are dispatched first state newspaper (5 byte) when time scheduling bandwidth and are exported the data transmitter side to.
Step S308, Data Receiving side obtain dispatch notification once more, and it is 8 bytes that time scheduling bandwidth length is worked as in indication.
Step S309, Data Receiving side are judged the length of state newspaper less than the length when time scheduling bandwidth, directly send second state newspaper (5 byte), and state newspaper transmit status are set for sending completion.
Method of the present invention has promoted under the situation of scheduling bandwidth deficiency, the promptness of Data Receiving side status report, and promoted the promptness of data transmitter side transmission data and the promptness of Data Receiving side direction upper strata delivery data thus.
Device as shown in Figure 4, that the present invention also provides a kind of rlc layer state newspaper to send comprises:
State newspaper constructing module 410 is used for the structural regime newspaper, and said state newspaper is set is state to be sent;
Wherein, said scheduling output module 430 specifically comprises:
Further, said scheduling output module 430 also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
Device according to the invention has promoted under the situation of scheduling bandwidth deficiency, the promptness of Data Receiving side status report, and promoted the promptness of data transmitter side transmission data and the promptness of Data Receiving side direction upper strata delivery data thus.
The system that the present invention also provides a kind of rlc layer state newspaper to send comprises: data sink and data sending device;
Data sink is used for structural regime newspaper, and said state newspaper is set is state to be sent; Receive the bottom dispatch notification, obtain scheduling bandwidth; And whether the length of judging said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported; And after said state newspaper all is scheduled output, said state newspaper is set for sending completion status;
Data sending device is used to receive the state newspaper that said data sink scheduling is exported, and realizes the release to the data in buffer newspaper based on said state newspaper.
Wherein, scheduling output several times comprised after data sink split the state newspaper:
(1), said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
(2), once more receive the bottom dispatch notification, obtain scheduling bandwidth;
(3), whether the length of state newspaper of judging remainder greater than the scheduling bandwidth that obtains once more, if, execution in step (4); Otherwise, directly the state newspaper scheduling of said remainder is exported;
(4), the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step (2).
Further, data sink also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
Further, said data sending device also is used to trigger said data sink uploaded state newspaper;
Said data sink also is used for after receiving the trigger action of data sending device, the structural regime newspaper.
System according to the invention promoted under the not enough situation of scheduling bandwidth, the promptness of data sink status report, and promoted data sending device thus and send promptness and the data sink of the data promptness to the upper strata delivery data.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the method that Radio Link control rlc layer state newspaper sends is characterized in that, comprising:
Structural regime newspaper, and said state newspaper is set is state to be sent;
Receive the bottom dispatch notification, obtain scheduling bandwidth;
Whether the length of judging said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported;
Said state newspaper is set for sending completion status.
2. the method for claim 1 is characterized in that, said scheduling several times after the fractionation of state newspaper is exported comprises:
Step 21, said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
Step 22, receive the bottom dispatch notification once more, obtain scheduling bandwidth;
Step 23, judge remainder the length of state newspaper whether greater than the scheduling bandwidth that obtains once more, if, execution in step 24; Otherwise, directly the state newspaper scheduling of said remainder is exported;
Step 24, the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step 22.
3. according to claim 1 or claim 2 method is characterized in that said method also comprises:
When the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
4. the device that Radio Link control rlc layer state newspaper sends is characterized in that, comprising:
State newspaper constructing module is used for the structural regime newspaper, and said state newspaper is set is state to be sent;
The resource acquisition module is used to receive the bottom dispatch notification, obtains scheduling bandwidth;
Dispatch output module, whether the length that is used to judge said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported;
State setting module is used for after said scheduling output module is accomplished the scheduling output to said state newspaper, said state newspaper is set for sending completion status.
5. device as claimed in claim 4 is characterized in that, said scheduling output module specifically comprises:
Split submodule, be used for said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
The resource acquisition submodule is used for receiving the bottom dispatch notification once more, obtains scheduling bandwidth;
Whether scheduling output sub-module, the length of state newspaper that is used to judge remainder greater than the scheduling bandwidth that obtains once more, if trigger said fractionation submodule the state newspaper of remainder is carried out deconsolidation process; Otherwise, directly the state newspaper scheduling of said remainder is exported.
6. like claim 4 or 5 described devices, it is characterized in that said scheduling output module also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
7. the system that Radio Link control rlc layer state newspaper sends is characterized in that, comprising: data sink and data sending device;
Said data sink is used for structural regime newspaper, and said state newspaper is set is state to be sent; Receive the bottom dispatch notification, obtain scheduling bandwidth; And whether the length of judging said state newspaper is greater than said scheduling bandwidth, if scheduling several times after the fractionation of said state newspaper is exported; And after said state newspaper all is scheduled output, said state newspaper is set for sending completion status;
Said data sending device is used to receive the state newspaper that said data sink scheduling is exported, and realizes the release to the data in buffer newspaper based on said state newspaper.
8. system as claimed in claim 7 is characterized in that, scheduling output several times comprised after said data sink split the state newspaper:
Step 81, said state newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits;
Step 82, receive the bottom dispatch notification once more, obtain scheduling bandwidth;
Step 83, judge remainder the length of state newspaper whether greater than the scheduling bandwidth that obtains once more, if, execution in step 84; Otherwise, directly the state newspaper scheduling of said remainder is exported;
Step 84, the state of said remainder newspaper is split as two parts, and with the part scheduling output of satisfying said scheduling bandwidth in two parts state newspaper that splits, execution in step 82.
9. like claim 7 or 8 described systems, it is characterized in that,
Said data sink also is used for when the length of judging said state newspaper during smaller or equal to said scheduling bandwidth, with said state newspaper directly scheduling export.
10. system as claimed in claim 7 is characterized in that,
Said data sending device also is used to trigger said data sink uploaded state newspaper;
Said data sink also is used for after receiving the trigger action of data sending device, the structural regime newspaper.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166529.7A CN102843774B (en) | 2011-06-21 | 2011-06-21 | The methods, devices and systems that a kind of rlc layer state report is sent |
| PCT/CN2011/080051 WO2012174803A1 (en) | 2011-06-21 | 2011-09-22 | Method, apparatus and system for sending rlc layer status report |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166529.7A CN102843774B (en) | 2011-06-21 | 2011-06-21 | The methods, devices and systems that a kind of rlc layer state report is sent |
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| Publication Number | Publication Date |
|---|---|
| CN102843774A true CN102843774A (en) | 2012-12-26 |
| CN102843774B CN102843774B (en) | 2018-04-27 |
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| CN201110166529.7A Active CN102843774B (en) | 2011-06-21 | 2011-06-21 | The methods, devices and systems that a kind of rlc layer state report is sent |
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| CN (1) | CN102843774B (en) |
| WO (1) | WO2012174803A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070008990A1 (en) * | 2003-04-10 | 2007-01-11 | Johan Torsner | Method and system for retransmission |
| CN1941772A (en) * | 2005-09-27 | 2007-04-04 | 大唐移动通信设备有限公司 | Method for increasing radio-link control hierarchy data transmission efficiency |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487072A (en) * | 1994-06-30 | 1996-01-23 | Bell Communications Research Inc. | Error monitoring algorithm for broadband signaling |
| CN101141445B (en) * | 2006-09-08 | 2010-10-13 | 华为技术有限公司 | Transmission method and sending terminal equipment of transmission unit |
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2011
- 2011-06-21 CN CN201110166529.7A patent/CN102843774B/en active Active
- 2011-09-22 WO PCT/CN2011/080051 patent/WO2012174803A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070008990A1 (en) * | 2003-04-10 | 2007-01-11 | Johan Torsner | Method and system for retransmission |
| CN1941772A (en) * | 2005-09-27 | 2007-04-04 | 大唐移动通信设备有限公司 | Method for increasing radio-link control hierarchy data transmission efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102843774B (en) | 2018-04-27 |
| WO2012174803A1 (en) | 2012-12-27 |
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