CN103095428B - A kind of method and apparatus for transmitting RLC PDU - Google Patents
A kind of method and apparatus for transmitting RLC PDU Download PDFInfo
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- CN103095428B CN103095428B CN201110341864.6A CN201110341864A CN103095428B CN 103095428 B CN103095428 B CN 103095428B CN 201110341864 A CN201110341864 A CN 201110341864A CN 103095428 B CN103095428 B CN 103095428B
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Abstract
The object of this invention is to provide a kind of for transmitting RLC the method and apparatus of PDU.Comprise according to the solution of the present invention: by pregenerated RLC PDU is sent to described detection feedback device; Does generation comprise described RLC the MAC of PDU PDU; Do you record described RLC the related transmitting information of PDU; By described MAC PDU is sent to the peer-entities of described transmitting device corresponding device; Do you record the HARQ corresponding to HARQ identification number from described peer-entities NACK number; As described HARQ when NACK time number exceedes predetermined maximum times, each RLC corresponding with described HARQ identification number is obtained by described related transmitting information LCID and corresponding sequence number thereof, and by described RLC LCID and sequence number feed back to described retransmission arrangement, again send described RLC to trigger described retransmission arrangement PDU.The present invention had both improve the transmission reliability under UM pattern, turn improved the efficiency of transmission under AM pattern.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method and apparatus for transmitting RLC PDU.
Background technology
Current based on LTE transmission wireless chain control layer (RLC, RadioLinkControl) protocol Data Unit (PDU, ProtocolDataUnit) in method, usual employing Unacknowledged Mode (UM, and affirmation mode (AM, AcknowledgeMode) two kinds of business models UnacknowledgeMode).Wherein, the efficiency transmitting data under Unacknowledged Mode is higher, but due to not feedback acknowledgment information under this module, whether normal transmission is to peer-entities cannot to know data, therefore the reliability of this kind of pattern is poor; And transmit data in acknowledged mode, corresponding confirmation can be fed back, thus the reliability of transfer of data can be ensured, but comparatively slow owing to feeding back, easily cause data delay, and reduce data throughout.
Summary of the invention
The object of this invention is to provide a kind of method and apparatus for transmitting RLC PDU.
According to an aspect of the present invention, provide a kind of transmitting device for transmitting RLC PDU, wherein, described transmitting device comprises the retransmission arrangement being positioned at rlc layer, and is positioned at the detection feedback device of MAC layer, and wherein said retransmission arrangement comprises:
First dispensing device, for being sent to described detection feedback device by pregenerated RLCPDU;
Wherein, described detection feedback device comprises:
Generating apparatus, for generating the MACPDU comprising described RLCPDU;
Tape deck, for recording the related transmitting information of described RLCPDU, wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to the sequence number of described RLCLCID and the HARQ identification number corresponding with described MACPDU;
Second dispensing device, for being sent to the peer-entities of described transmitting device corresponding device by described MACPDU;
Acquisition device, for recording HARQNACK the number corresponding to HARQ identification number from described peer-entities, wherein, described HARQ identification number is corresponding with described MACPDU;
Feedback trigger equipment, when described HARQNACK number exceedes predetermined maximum times, each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof is obtained by described related transmitting information, and described RLCLCID and sequence number are fed back to described retransmission arrangement, again send described RLCPDU to trigger described retransmission arrangement.
According to another aspect of the present invention, additionally provide a kind of method for transmitting RLC PDU, wherein, described method is realized by the retransmission arrangement that is positioned at rlc layer and the detection feedback device that is positioned at MAC layer, and wherein, described retransmission arrangement performs following steps:
-pregenerated RLCPDU is sent to described detection feedback device;
Wherein, described detection feedback device performs following steps:
A generates the MACPDU comprising described RLCPDU;
B records the related transmitting information of described RLCPDU, and wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to the sequence number of described RLCLCID and the HARQ identification number corresponding with described MACPDU;
Described MACPDU is sent to the peer-entities of described transmitting device corresponding device by c;
D record is from HARQNACK the number corresponding to HARQ identification number of described peer-entities, and wherein, described HARQ identification number is corresponding with described MACPDU;
E is when described HARQNACK number exceedes predetermined maximum times, each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof is obtained by described related transmitting information, and described RLCLCID and sequence number are fed back to described retransmission arrangement, again send described RLCPDU to trigger described retransmission arrangement.
Compared with prior art, the present invention has the following advantages: by being configured the rlc layer of selected RLCbearers, to activate the retransmission operation of selected RLCbearers execution based on HARQ feedback information, when after configuration take-effective, if PDU bust this, MAC layer can feed back corresponding failure information in time, thus improves the transmission reliability under UM pattern, and because the efficiency of HARQ feedback is very high, therefore also improve the efficiency of transmission under AM pattern simultaneously.Further, the present invention can only select part RLCbearers to be configured, to utilize RLC window more fully.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of a kind of transmitting device for transmitting RLC PDU of the present invention;
Fig. 2 is a kind of method flow diagram for transmitting RLC PDU of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 illustrates the structural representation of a kind of transmitting device for transmitting RLC PDU of the present invention.Wherein, described transmitting device is contained in the terminal equipment of wireless communication system.Described wireless communication system includes but not limited to as the wireless communication system based on 3GPPLTE.The terminal equipment of described wireless communication system comprises base station and user's set.Wherein, described base station includes but not limited to BS, e-NodeB, Home eNodeB, macro base station etc.Described user's set comprises and wirelessly directly or indirectly and the electronic installation of base station communication, can include but not limited to mobile phone, PDA etc.It should be noted that, it should be appreciated by those skilled in the art that described wireless communication system, base station and user's set are not limited with described.
Wherein, described transmitting device comprises the retransmission arrangement 1 being positioned at rlc layer and the detection feedback device 2 being positioned at MAC layer, wherein said retransmission arrangement 1 comprises the first dispensing device 11, detects feedback device 2 and comprises generating apparatus 21, tape deck 22, dispensing device 23, acquisition device 24 and feedback trigger equipment 25.
Pregenerated RLCPDU is sent to described detection feedback device 2 by the first dispensing device 11.
Then, generating apparatus 21 generates the MACPDU comprising described RLCPDU.
Tape deck 22 records the related transmitting information of described RLCPDU, wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to described RLCLCID (LogicChannelID, logic channel identification code) sequence number (SN, and the HARQ corresponding with described MACPDU (Hybrid-ARQ, hybrid automatic repeat-request) identification number SerialNumber).
Described MACPDU is sent to the peer-entities corresponding to described transmitting device corresponding device by dispensing device 23.Wherein, described peer-entities comprises and the same or analogous structure of described transmitting device corresponding device, and preferably, described peer-entities also comprises described transmitting device.
Acquisition device 24 records HARQNACK the number corresponding to HARQ identification number from described peer-entities.Wherein, described HARQ identification number is corresponding with described MACPDU.
Then, when feedback trigger equipment 25 determines described HARQNACK (NegativeAcknowledgement, negative response information) number of times is when being less than predetermined maximum times, feedback trigger equipment 25 is based on described related transmitting information, obtain each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof, with trigger each device in described transmitting device again executable operations to transmit and each RLCLCID and RLCPDU corresponding to corresponding sequence number thereof.
Such as, the number of times of the HARQNACK corresponding with HARQ identification number 2 that acquisition device 24 obtains is 2, and predetermined maximum times is 24, and tape deck 22 record is as shown in table 1 below with the related transmitting information of RLCPDUA:
| HARQ identification number | RLC LCID | RLC SN |
| 2 | 3 | 2 |
Table 1
Feedback trigger equipment 25 judges that the number of times of HARQNACK is less than predetermined maximum times, then feed back trigger equipment 25 and obtain the value 3 of RLCLCID corresponding with HARQ identification number 2 and the value 2 of RLCSN; Then, RLCLCID3 and RLCSN2 is fed back to retransmission arrangement 1 by feedback trigger equipment 25, again transmits the RLCPDUA corresponding with RLCLCID3 and RLCSN2 with trigger re-transmissions device 1.
It should be noted that, above-mentioned citing is only and technical scheme of the present invention is described better, but not limitation of the present invention, those skilled in the art should understand that, it is any when described HARQNACK number is less than predetermined maximum times, based on described related transmitting information, obtain each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof, to trigger each device in described transmitting device, executable operations, all should be within the scope of the present invention with the implementation of transmission and each RLCLCID and RLCPDU corresponding to corresponding sequence number thereof again.
As one of the preferred embodiments of the present invention, wherein, described retransmission arrangement 1 also comprises inking device (not shown), and described detection feedback device 2 also comprises configuration detection device (not shown) and is contained in the subrecord device (not shown) in described tape deck 22.
The configuration information of inking device to described transmitting device is arranged, and can retransmit to make this transmitting device based on HARQ feedback information.Wherein, described setting operation includes but not limited to the operations such as interpolation, deletion or amendment.
Based on the configuration information of described transmitting device, configuration detection device judges that can the dispensing device sending described RLCPDU retransmit based on HARQ feedback information.
When the dispensing device that configuration detection device judges to send described RLCPDU can retransmit based on HARQ, subrecord device checks all RLCPDU from described dispensing device, and the related transmitting information that record is corresponding with described RLCPDU.
As one of the preferred embodiments of the present invention, wherein, described retransmission arrangement 1 also comprises the number of transmissions tape deck (not shown), judgment means (not shown) and triggers final controlling element (not shown).
The number of transmissions recording device records retransmission arrangement 1 transmits the number of times of each RLCPDU.
When retransmission arrangement 1 receives from the RLCLCID of described feedback trigger equipment 25 and sequence number, judgment means judges whether the number of times of the RLCPDU that the transmission of described retransmission arrangement 1 is corresponding with described RLCLCID and sequence number is less than transmission times threshold value.
When judgment means judges that the number of times of retransmission arrangement transmitting RLC PDU is less than transmission times threshold value, trigger described first dispensing device of final controlling element triggering and again transmit described RLCPDU.
Preferably, according to the transmitting device of described embodiment, described detection feedback device 2 also comprises stop device (not shown).
When judgment means judges that the number of times that transmitting device transmits described RLCPDU is more than or equal to transmission times threshold value, stop device deletes the related transmitting information of described RLCPDU to stop transmitting described RLCPDU, and sends the information of described RLCPDU bust this to described retransmission arrangement 1.
Preferably, according to the transmitting device of described embodiment, described retransmission arrangement 1 also comprises threshold value acquisition device (not shown).
Threshold value acquisition device transmits based on described retransmission arrangement the business model that described RLCPDU adopts, and obtains the transmission times threshold value corresponding to described business model.Wherein, described business model comprises Unacknowledged Mode (UM) and affirmation mode (AM).
Such as, when retransmission arrangement is based on AM mode transfer RLCPDU, threshold value acquisition device obtains the maximum retransmission threshold value 3 corresponding with AM pattern; When retransmission arrangement is based on UM mode transfer RLCPDU, threshold value acquisition device obtains the maximum number of times of transmission threshold value 4 corresponding with UM pattern.
It should be noted that, above-mentioned citing is only and technical scheme of the present invention is described better, but not limitation of the present invention, those skilled in the art should understand that, anyly transmit based on described transmitting device the business model that described RLCPDU adopts, obtain the implementation of the transmission times threshold value corresponding to described business model, all should be within the scope of the present invention.
According to the solution of the present invention, by being configured the rlc layer of selected RLCbearers, to activate the retransmission operation of selected RLCbearers execution based on HARQ feedback information, when after configuration take-effective, if PDU bust this, MAC layer can feed back corresponding failure information in time, thus improves the transmission reliability under UM pattern, and because the efficiency of HARQ feedback is very high, therefore also improve the efficiency of transmission under AM pattern simultaneously.Further, the present invention can only select part RLCbearers to be configured, to utilize RLC window more fully.
Fig. 2 illustrates a kind of method flow diagram for transmitting RLC PDU of the present invention.Wherein, described method is realized by the retransmission arrangement that is positioned at rlc layer and the detection feedback device that is positioned at MAC layer, wherein, described retransmission arrangement performs step S11, and described detection feedback device performs step S21, step S22, step S23, step S24 and step S25.
In step s 11, pregenerated RLCPDU is sent to described detection feedback device by retransmission arrangement.
Then, in the step s 21, detect feedback device and generate the MACPDU comprising described RLCPDU.
In step S22, detect the related transmitting information of RLCPDU described in feedback device record.Wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to the sequence number of described RLCLCID and the HARQ identification number corresponding with described MACPDU.
In step S23, detect feedback device and described MACPDU is sent to the peer-entities corresponding with described transmitting device corresponding device.Wherein, described peer-entities comprises and the same or analogous structure of described transmitting device corresponding device, and preferably, described peer-entities also comprises described transmitting device.
In step s 24 which, HARQNACK the number corresponding to HARQ identification number of feedback device record from described peer-entities is detected.Wherein, described HARQ identification number is corresponding with described MACPDU.
Then, in step s 25, when detecting feedback device and determining that described HARQNACK number is less than predetermined maximum times, detect feedback device based on described related transmitting information, obtain each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof, with trigger each device in described transmitting device again executable operations to transmit and each RLCLCID and RLCPDU corresponding to corresponding sequence number thereof.
Such as, the number of times detecting the HARQNACK corresponding with HARQ identification number 2 that feedback device obtains is 2, and predetermined maximum times is 24, and detects the as shown in table 2 below with the related transmitting information of RLCPDUA of feedback device record:
| HARQ identification number | RLC LCID | RLC SN |
| 2 | 3 | 2 |
Table 2
Detect feedback device and judge that the number of times of HARQNACK is less than predetermined maximum times, then detect feedback device and obtain the value 3 of RLCLCID corresponding with HARQ identification number 2 and the value 2 of RLCSN; Then, detect feedback device and RLCLCID3 and RLCSN2 is fed back to retransmission arrangement 1, again transmit the RLCPDUA corresponding with RLCLCID3 and RLCSN2 with trigger re-transmissions device.
It should be noted that, above-mentioned citing is only and technical scheme of the present invention is described better, but not limitation of the present invention, those skilled in the art should understand that, it is any when described HARQNACK number is less than predetermined maximum times, based on described related transmitting information, obtain each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof, to trigger each device in described transmitting device, executable operations, all should be within the scope of the present invention with the implementation of transmission and each RLCLCID and RLCPDU corresponding to corresponding sequence number thereof again.
As one of the preferred embodiments of the present invention, wherein, described retransmission arrangement also performs step S12 (not shown), and described detection feedback device also comprises execution step S26 (not shown), and described step S22 comprises step S221 (not shown) further.
In step s 12, the configuration information of retransmission arrangement to described transmitting device is arranged, and can retransmit to make this transmitting device based on HARQ feedback information.Wherein, described setting operation includes but not limited to the operations such as interpolation, deletion or amendment.
In step S26, based on the configuration information of described transmitting device, detection feedback device judges that can the dispensing device sending described RLCPDU retransmit based on HARQ feedback information.
In step S221, when detecting feedback device and judging that the dispensing device of the described RLCPDU of transmission can retransmit based on HARQ, detect feedback device and check all RLCPDU from described dispensing device, and the related transmitting information that record is corresponding with described RLCPDU.
As one of the preferred embodiments of the present invention, wherein, described retransmission arrangement also performs step S13 (not shown), step S14 (not shown) and step S15 (not shown).
In step s 12, the number of times of each RLCPDU of retransmission arrangement record self transmission.
In step s 13, when retransmission arrangement receives from the RLCLCID of described detection feedback device and sequence number, judge whether the number of times transmitting the RLCPDU corresponding with described RLCLCID and sequence number is less than transmission times threshold value.
In step S14, when retransmission arrangement judges that the number of times of retransmission arrangement transmitting RLC PDU is less than transmission times threshold value, retransmission arrangement transmits described RLCPDU again.
Preferably, according to the transmitting device of described embodiment, described detection feedback device also performs step S27 (not shown).
In step s 27, when retransmission arrangement judges that the number of times that transmitting device transmits described RLCPDU is more than or equal to transmission times threshold value, detect feedback device and delete the related transmitting information of described RLCPDU to stop transmitting described RLCPDU, and send the information of described RLCPDU bust this to described retransmission arrangement.
Preferably, according to the transmitting device of described embodiment, described retransmission arrangement also performs step S16 (not shown).
In step s 16, the business model that retransmission arrangement adopts based on the described RLCPDU of transmission, obtains the transmission times threshold value corresponding to described business model.Wherein, described business model comprises Unacknowledged Mode (UM) and affirmation mode (AM).
Such as, when retransmission arrangement is based on AM mode transfer RLCPDU, retransmission arrangement obtains the maximum retransmission threshold value 3 corresponding with AM pattern; When retransmission arrangement is based on UM mode transfer RLCPDU, retransmission arrangement obtains the maximum number of times of transmission threshold value 4 corresponding with UM pattern.
It should be noted that, above-mentioned citing is only and technical scheme of the present invention is described better, but not limitation of the present invention, those skilled in the art should understand that, anyly transmit based on described transmitting device the business model that described RLCPDU adopts, obtain the implementation of the transmission times threshold value corresponding to described business model, all should be within the scope of the present invention.
According to the solution of the present invention, by being configured the rlc layer of selected RLCbearers, to activate the retransmission operation of selected RLCbearers execution based on HARQ feedback information, when after configuration take-effective, if PDU bust this, MAC layer can feed back corresponding failure information in time, thus improves the transmission reliability under UM pattern, and because the efficiency of HARQ feedback is very high, therefore also improve the efficiency of transmission under AM pattern simultaneously.Further, the present invention can only select part RLCbearers to be configured, to utilize RLC window more fully.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in system claims or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.
Claims (10)
1. for a transmitting device of transmitting RLC PDU, wherein, described transmitting device comprises the retransmission arrangement being positioned at rlc layer, and is positioned at the detection feedback device of MAC layer, and wherein said retransmission arrangement comprises:
First dispensing device, for being sent to described detection feedback device by pregenerated RLCPDU;
Wherein, described detection feedback device comprises:
Generating apparatus, for generating the MACPDU comprising described RLCPDU;
Tape deck, for recording the related transmitting information of described RLCPDU, wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to the sequence number of described RLCLCID and the HARQ identification number corresponding with described MACPDU;
Second dispensing device, for being sent to the peer-entities corresponding with described transmitting device corresponding device by described MACPDU;
Acquisition device, for recording HARQNACK the number corresponding to HARQ identification number from described peer-entities, wherein, described HARQ identification number is corresponding with described MACPDU;
Feedback trigger equipment, when described HARQNACK number is less than predetermined maximum times, each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof is obtained by described related transmitting information, and described RLCLCID and sequence number are fed back to described retransmission arrangement, again send described RLCPDU to trigger described retransmission arrangement;
Wherein, described retransmission arrangement also comprises:
Inking device, for changing the configuration information of described transmitting device, retransmits based on HARQ feedback information to make selected part RLCbearer.
2. transmitting device according to claim 1, wherein, described retransmission arrangement also comprises:
Inking device, for changing the configuration information of described transmitting device, can retransmit based on HARQ feedback information to make this transmitting device;
Wherein, described detection feedback device also comprises:
Based on the configuration information of described transmitting device, configuration detection device, for judging that can described transmitting device retransmit based on HARQ;
Wherein, described tape deck comprises:
Subrecord device, for when judging that described transmitting device can retransmit based on HARQ, records the related transmitting information of described RLCPDU.
3. transmitting device according to claim 1 and 2, wherein, described retransmission arrangement also comprises:
The number of transmissions tape deck, transmits the number of times of each RLCPDU for recording retransmission arrangement;
Judgment means, for when receiving from the RLCLCID of described feedback device and sequence number, judges whether the number of times of the RLCPDU that the transmission of described retransmission arrangement is corresponding with described RLCLCID and sequence number is less than transmission times threshold value;
Trigger equipment, for when judging that the number of times of retransmission arrangement transmitting RLC PDU is less than transmission times threshold value, triggering the first dispensing device and again transmitting described RLCPDU.
4. transmitting device according to claim 3, wherein, described detection feedback device also comprises:
Stop device, during for being more than or equal to transmission times threshold value when the number of times judging that retransmission arrangement transmits described RLCPDU, deleting the related transmitting information of described RLCPDU, and sending the information of described RLCPDU bust this to retransmission arrangement.
5. transmitting device according to claim 3, wherein, described retransmission arrangement also comprises:
Threshold value acquisition device, for transmitting the business model that described RLCPDU adopts based on described retransmission arrangement, obtains the transmission times threshold value corresponding to described business model.
6. for a method of transmitting RLC PDU, wherein, described method is realized by the retransmission arrangement that is positioned at rlc layer and the detection feedback device that is positioned at MAC layer, and wherein, described retransmission arrangement performs following steps:
-pregenerated RLCPDU is sent to described detection feedback device;
Wherein, described detection feedback device performs following steps:
A generates the MACPDU comprising described RLCPDU;
B records the related transmitting information of described RLCPDU, and wherein, described related transmitting information comprises RLCLCID, the described RLCPDU that described RLCPDU adopts and corresponds to the sequence number of described RLCLCID and the HARQ identification number corresponding with described MACPDU;
Described MACPDU is sent to the peer-entities corresponding with described transmitting device corresponding device by c;
D record is from HARQNACK the number corresponding to HARQ identification number of described peer-entities, and wherein, described HARQ identification number is corresponding with described MACPDU;
E is when described HARQNACK number is less than predetermined maximum times, each RLCLCID corresponding to described HARQ identification number and corresponding sequence number thereof is obtained by described related transmitting information, and described RLCLCID and sequence number are fed back to described retransmission arrangement, again send described RLCPDU to trigger described retransmission arrangement;
Wherein, described method also comprises:
-change the configuration information of described transmitting device, retransmit based on HARQ feedback information to make selected part RLCbearer.
7. method according to claim 6, wherein, described retransmission arrangement also performs following steps:
-changing the configuration information of described transmitting device, can retransmit based on HARQ feedback information to make this transmitting device;
Wherein, described detection feedback device also performs following steps:
-judge that can described transmitting device retransmit based on HARQ based on the configuration information of described transmitting device;
Wherein, described step b comprises:
-when judging that described transmitting device can retransmit based on HARQ, record the related transmitting information of described RLCPDU.
8. the method according to claim 6 or 7, wherein, described retransmission arrangement also performs following steps:
The number of times of each RLCPDU of-record transmission;
-when receiving from the RLCLCID of described feedback device and sequence number, judge whether the number of times transmitting the RLCPDU corresponding with described RLCLCID and sequence number is less than transmission times threshold value;
-when judging that the number of times of transmitting RLC PDU is less than transmission times threshold value, again transmit described RLCPDU.
9. method according to claim 8, wherein, described detection feedback device also performs following steps:
-when the number of times judging that described retransmission arrangement transmits described RLCPDU is more than or equal to transmission times threshold value, delete the related transmitting information of described RLCPDU, and send the information of described RLCPDU bust this to described retransmission arrangement.
10. method according to claim 8, wherein, described retransmission arrangement also performs following steps:
-based on the business model that adopts of the described RLCPDU of transmission, obtain the transmission times threshold value corresponding to described business model.
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| CN105871519A (en) * | 2015-01-23 | 2016-08-17 | 中兴通讯股份有限公司 | Data packet retransmission method and device |
| US20160219458A1 (en) * | 2015-01-26 | 2016-07-28 | Qualcomm Incorporated | Methods and apparatus for radio link control switching |
| CN106330412B (en) * | 2015-06-25 | 2019-05-21 | 辰芯科技有限公司 | Utilize the RLC PDU sending method and device of HARQ ACK/NACK |
| CN108243070B (en) * | 2016-12-23 | 2020-01-31 | ***通信有限公司研究院 | test methods, control node and pressure node |
| WO2019241931A1 (en) | 2018-06-20 | 2019-12-26 | 华为技术有限公司 | Data packet retransmission method and device |
| CN109697113B (en) * | 2018-12-29 | 2021-06-01 | 广州方硅信息技术有限公司 | Method, device and equipment for requesting retry and readable storage medium |
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| CN1949698A (en) * | 2005-10-10 | 2007-04-18 | 华为技术有限公司 | Automatic retransmission method, transmitter and receiver for use in LTE technology |
| CN101361309A (en) * | 2006-01-05 | 2009-02-04 | Lg电子株式会社 | Data transmission method and data re-transmission method |
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| CN1949698A (en) * | 2005-10-10 | 2007-04-18 | 华为技术有限公司 | Automatic retransmission method, transmitter and receiver for use in LTE technology |
| CN101361309A (en) * | 2006-01-05 | 2009-02-04 | Lg电子株式会社 | Data transmission method and data re-transmission method |
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