CN101651527A - Data processing method, retransmitting and reporting method, equipment and data transmission system - Google Patents
Data processing method, retransmitting and reporting method, equipment and data transmission system Download PDFInfo
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- CN101651527A CN101651527A CN200810133374A CN200810133374A CN101651527A CN 101651527 A CN101651527 A CN 101651527A CN 200810133374 A CN200810133374 A CN 200810133374A CN 200810133374 A CN200810133374 A CN 200810133374A CN 101651527 A CN101651527 A CN 101651527A
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Abstract
The invention discloses a data processing method, a data retransmitting and reporting method, equipment and a data transmission system. The data transmitting method comprises the following steps: receiving a state report; acquiring state information of a segment data packet requested to be retransmitted in the state report; and executing residual segment data after deleting or reserving the last segment data requested to be retransmitted in the segment data packet. The embodiment of the invention can transmit the segment data requested to be retransmitted according to the state information, and delete or reserve the residual segment data after the last segment data requested to be retransmitted in the segment data packet at the same time; the error segment data not indicated in the state report is not deleted by a transmitting terminal because of adding carried information content when the information capacity carried in the state report is restricted so as to avoid an service interruption caused by deleting the data by mistake in the overall link during data transmission.
Description
Technical field
The present invention relates to communication technical field, particularly data processing method, re-transmission report method, equipment and data transmission system.
Background technology
At EUTRAN (Evolved UMTS Terrestrial Radio Access Network, the UMTS Terrestrial radio access network of evolution) in the system, UE (User Equipment, subscriber equipment) and eNB (Evolved NodeB, the Node B of evolution) can be between based on RLC (Radio Link Control, Radio Link control) layer, MAC (Medium AccessControl, medium access control) layer, PHY (Physical, physics) layer wait and carry out transfer of data.Wherein, rlc layer has three kinds of transmission modes, be respectively AM (affirmation mode), UM (Unacknowledged Mode) and TM (transparent mode), when under the AM pattern, transmitting data, transmitting terminal need be packed to data, data after the packing are called RLC AMD PDU (Protocol DataUnit, protocol data grouping).
During based on rlc layer transmission data, UE and eNB be transmitting terminal and receiving terminal each other, the RLC AMD PDU of transmitting terminal after for each packing distributes a sequence number, these RLC AMDPDU are according to the sequence number sequential delivery, further, when a RLC AMD PDU causes too greatly being difficult to once transmit, this RLC AMD PDU can be carried out segmentation, when the RLC AMD PDU of each segmentation transmits, can add side-play amount by sequence number identifies, for example, for one 500 byte, sequence number is No. 1 RLC AMD PDU, if once can only transmit 100 bytes, then first segment data of this RLC AMD PDU is expressed as " 1, SO (1,100) ", wherein, " 1 " expression sequence number, SO (1,100) represents side-play amount.After receiving terminal receives RLC AMD PDU, when finding to lack data by reading sequence number, start timer, and condition report feedback request transmitting terminal retransmits the data that lack behind timer expiry, transmitting terminal with ARQ (Auto Request Repeat retransmits automatically) function can retransmit the data that lack according to status report.
The inventor finds that in the research process to prior art for the packet of segment transmissions, status report comprises the sequence number of the packet that is not correctly received, and start offset amount and end side-play amount that wrong segment data occurs.When error of transmission appears in a plurality of data, because the amount of information that status report carries is limited, data receiver can't write the offset information of the segment data of all errors of transmission usually, this segment data that will cause data sending terminal to incite somebody to action the appearance mistake that not indicate in status report is deleted as sending successful segment data, data receiver can't receive these segment datas, thereby finally cause the link transmission data failure.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of data processing method, retransmits report method, equipment and data transmission system, so that transmitting terminal can not deleted data according to the status report data retransmission time by mistake, improves data transmission success.
For realizing the purpose of the embodiment of the invention, the embodiment of the invention provides following technical scheme:
A kind of data processing method comprises:
Receiving state report;
Obtain the state information of the segment data packet of request retransmission in the described status report;
Remaining segment data after carrying out deletion or keep the segment data of last request retransmission in the described segment data packet according to described state information.
A kind of data re-transmission report method comprises:
Receive packet, comprise segment data packet in the described packet;
When the segment data that is not correctly received is arranged in detecting segment data packet, transmission comprises the status report of state information, described state information be used for indicating keep or the segment data of last request retransmission of segment data packet that the deletion described request retransmits after the remaining segment data.
A kind of data transmission system comprises: transmitting terminal and receiving terminal,
Described transmitting terminal, be used for sending the packet that comprises segment data packet to described receiving terminal, and after receiving the status report that described receiving terminal returns, obtain the state information of the segment data packet of request retransmission in the described status report, and carry out according to described state information and to keep or delete remaining segment data after the segment data of last request retransmission in the described segment data packet;
Described receiving terminal is used for the described packet that receiving end/sending end sends, and sends described status report to described transmitting terminal.
A kind of data transmission system comprises: transmitting terminal and receiving terminal,
Described receiving terminal, be used to receive the packet that described transmitting terminal sends, comprise segment data packet in the described packet, when the segment data that is not correctly received is arranged in detecting segment data packet, transmission comprises the status report of state information, the remaining segment data after the segment data that described state information is used for indicating the reservation or deleting described last request retransmission of segment data packet;
Described transmitting terminal, be used to receive described status report after, by detecting the state information that described status report obtains the segment data packet of request retransmission, and carry out according to described state information and to keep or delete described remaining segment data.
A kind of data processing equipment comprises:
Receiving element is used for receiving state report;
Acquiring unit is used for obtaining the state information of the segment data packet of described status report request retransmission;
Performance element, the remaining segment data after being used for carrying out deletion or keeping the segment data of described last request retransmission of segment data packet according to described state information.
A kind of data re-transmission reporting equipment comprises:
Receiving element is used to receive packet, comprises segment data packet in the described packet;
Detecting unit, whether the segment data that is used for detecting segment data packet is correctly received;
Transmitting element, be used for when detecting segment data packet the segment data that is not correctly received is arranged, transmission comprises the status report of state information, described state information be used for indicating keep or the segment data of last request retransmission of segment data packet that the deletion described request retransmits after the remaining segment data.
When the application embodiment of the invention is carried out transfer of data, can be according to the remaining segment data after the segment data of last request retransmission in state information execution deletion or the reservation segment data packet, when the information capacity size of carrying at status report is restricted, owing to increased the information content of carrying, transmitting terminal can not deleted the segment data of the appearance mistake of not indicating in status report according to this information content, therefore described segment data can retransmit after receiving the succeeding state report, makes whole link can service disconnection not occur because mistake deletes data when the transmission data.
Description of drawings
Fig. 1 is the embodiment flow chart of data re-transmission report method of the present invention;
Fig. 2 is the first embodiment flow chart of data processing method of the present invention;
Fig. 3 is the second embodiment flow chart of data processing method of the present invention;
Fig. 4 is the 3rd embodiment flow chart of data processing method of the present invention;
Fig. 5 is the first embodiment block diagram of data re-transmission reporting equipment of the present invention;
Fig. 6 is the second embodiment block diagram of data re-transmission reporting equipment of the present invention;
Fig. 7 is the first embodiment block diagram of data processing equipment of the present invention;
Fig. 8 is the second embodiment block diagram of data processing equipment of the present invention;
Fig. 9 is the 3rd embodiment block diagram of data processing equipment of the present invention;
Figure 10 is the embodiment block diagram of data transmission system of the present invention.
Embodiment
The embodiment of the invention provides a kind of data processing method, has retransmitted report method, equipment and data transmission system, obtain the state information of segment data packet in the described status report behind the transmitting terminal receiving state report, according to the remaining segment data after the segment data of last request retransmission in described state information execution deletion or the reservation segment data packet.
In order to make those skilled in the art person understand the present invention program better, and above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Before describing the embodiment of the invention, at first the data format to status report is introduced.Comprise D (Data)/C (Control) field in the status report, represent that this status report is data or control; CPT (Control PDU Type, control data bag type) territory field, the type of expression control data bag; ACK_SN (affirmation sequence number) represents that the packet before this sequence number is correctly received, but these correct packets that receive do not comprise the packet of this ACK_SN indication, and the packet of NACK_SN indication; NACK_SN (non-affirmation sequence of data packet number), the sequence number of the packet that expression is not correctly received; SO_start, the start offset amount of the segment data that is not correctly received in the expression segment data packet; SO_end, the end side-play amount of the segment data that is not correctly received in the expression segment data packet.
The embodiment flow chart of data re-transmission report method of the present invention as shown in Figure 1, this embodiment is generally used for receiving terminal according to the process of the situation that receives packet to the transmitting terminal status report:
Step 101: receive the packet that comprises segment data packet.
Step 102: detect in the segment data packet whether the segment data that is not correctly received is arranged.
Step 103: when the segment data that correctly do not received, send the status report that comprises state information, indication carry out keep or the deletion segment data packet in remaining segment data after the segment data of last request retransmission.
Concrete, set in advance (the Control PDU Type of CPT in the status report, control data bag type) Zhi Shi information, be that can to indicate this status report be imperfect status report or full status report to CPT, when being designated as full status report, expression needs transmitting terminal after retransmitting the segment data that is not correctly received, remaining segment data in the deletion segment data packet after the segment data of last request retransmission, the info class of the above-mentioned information of full status report indication and standing state report indication is seemingly; When being designated as imperfect status report, expression needs transmitting terminal after retransmitting the segment data that is not correctly received, the remaining segment data in the reservation segment data packet after the segment data of last request retransmission.
The first embodiment flow process of data processing method of the present invention as shown in Figure 2, this embodiment is generally used for the process that transmitting terminal is carried out deletion according to the status report that receives or kept the segment data of request retransmission:
Step 201: receiving state report.
Step 202: the state information of obtaining the segment data packet of request retransmission in the status report.
Wherein, state information can be the state information of the segment data packet of the request retransmission obtained by the CPT in the detected state report; Or the state information of the segment data packet of the request retransmission of obtaining by the end side-play amount of segment data packet in the detected state report.
Step 203: according to the remaining segment data after the segment data of last request retransmission in state information execution deletion or the reservation segment data packet.
The second embodiment flow process of data processing method of the present invention as shown in Figure 3, this embodiment shows transmitting terminal and obtains the state information of segment data packet by the CPT in the detected state report, and carries out deletion or keep the process of the segment data of request retransmission:
Step 301: transmitting terminal receiving state report.
In the present embodiment, transmitting terminal refers to the transmit leg of packet, and receiving terminal refers to the recipient of packet, and receiving terminal receives behind the packet to the transmitting terminal status report.
Step 302: the information of CPT indication in the reading state report.
Step 303: the information according to indication judges whether status report is imperfect status report, if then execution in step 304; Otherwise, execution in step 306.
Step 304: the remaining segment data of the state information of determining segment data packet after for the segment data that keeps last request retransmission in the segment data packet.
Step 305: keep the remaining segment data according to the state information of determining, finish current flow process.
Step 306: the remaining segment data of the state information of determining segment data packet after for the segment data of last request retransmission in the deletion segment data packet.
Step 307: the state information deletion remaining segment data according to determining, finish current flow process.
In conjunction with the embodiment (shown in Figure 1) of the invention described above data re-transmission report method and second embodiment (shown in Figure 3) of data processing method, describe a kind of process that the inventive method embodiment carries out data re-transmission of using below in detail, wherein, transmitting terminal refers to the transmit leg of packet, receiving terminal refers to the recipient of packet, and receiving terminal receives behind the packet to the transmitting terminal status report.
Suppose that transmitting terminal has sent eight packets to receiving terminal, the SN of eight packets is respectively 1 to 8, the expression packet can be SN1 to SN8, wherein SN6 is a segment data packet, comprise three segment datas, the offset information of three segment datas is respectively SO (0,100), SO (101,200), SO (201, end), wherein, (201, end) to indicate this segment data be the data of SN6 end position to the end in to SO, suppose that receiving terminal receives packet, detect SN2, SN4, SN5, (201, end) Dui Ying data are not correctly received for SN6 SO (0,100) and SN6 SO.
The amount of information that the CPT territory comprises is generally 3bit, receiving terminal can utilize the type of the value indicating status report in CPT territory, for example, the value that CPT can be set is " 000 " or " 001 ", wherein " 000 " is defined as imperfect status report, in the segment data packet of the NACK_SN correspondence in the report of indication write state, remaining segment data except that the segment data of the request retransmission of SO_start and SO_end sign may correctly not received yet, " 001 " is defined as full status report, promptly the information that comprises with standing state report is identical, does not repeat them here.
Because the restriction of the size of writeable amount of information in the status report supposes that receiving terminal only can write the offset information of the segment data of a needs re-transmission among the segment data packet SN6 in status report, and is corresponding, comprises following information in this status report:
ACK_SN＝8；
NACK_SN＝2，4，5；
NACK_SN＝6，SO_start＝0，SO_end＝100；
CPT＝000；
After transmitting terminal receives this status report, the CPT that reads wherein is " 000 ", this status report is imperfect status report as can be known, therefore transmitting terminal retransmits SN2 according to status report, SN4, SN5, and SN6 SO (0,100) Dui Ying data, and retransmitting end back deletion SN2, SN4, SN5 and SN6 SO (0,100) Dui Ying data, but because SN6 SO (101,200) and SN6 SO (201, end) uncertainly whether correctly receive, so transmitting terminal keeps SN6 SO (101,200) and SN6 SO (201, end) Dui Ying data, follow-up when receive request retransmission SN6 SO (201, during end) status report, this segment data that keeps can be retransmitted to receiving terminal, guaranteed that thus whole link can service disconnection not occur because mistake deletes data when the transmission data.
The 3rd embodiment flow process of data processing method of the present invention as shown in Figure 4, this embodiment shows transmitting terminal and obtains the state information of described segment data packet by the end side-play amount in the segment data packet of request retransmission in the detected state report, and carries out the process of the segment data of deletion or reservation request retransmission:
Step 401: transmitting terminal receiving state report.
In the present embodiment, transmitting terminal refers to the transmit leg of packet, and receiving terminal refers to the recipient of packet, and receiving terminal receives behind the packet to the transmitting terminal status report.
Step 402: whether the information of judging end side-play amount indication is the end position of the segment data packet of request retransmission, if then send data according to existing mode; Otherwise, execution in step 403.
Step 403: the remaining segment data of the state information of determining segment data packet after for the segment data that keeps last request retransmission in the described segment data packet.
Step 404: keep the remaining segment data according to the state information of determining, finish current flow process.
In conjunction with the embodiment (shown in Figure 1) of the invention described above data re-transmission report method and the 3rd embodiment (shown in Figure 4) of data processing method, describe the another kind of process that the inventive method embodiment carries out data re-transmission of using below in detail, be that with the different of the retransmission processes of describing in detail previously UE obtains state information by the end side-play amount in the segment data packet of request retransmission in the detected state report.
Suppose that transmitting terminal has sent eight packets to receiving terminal, wherein SN6 is a segment data packet, comprise three segment datas, the offset information of three segment datas is respectively SO (0,100), SO (101,200), SO (201, end), and behind the receiving terminal reception packet detect SN2, SN4, SN5, SN6 SO (0,100) and SN6 SO (201, end) Dui Ying data are not correctly received.
Because the restriction of the size of writeable amount of information in the status report, still suppose that receiving terminal only can write the offset information of the segment data of a needs re-transmission among the segment data packet SN6 in status report, accordingly, comprise following information in this status report:
ACK_SN＝8；
NACK_SN＝2，4，5；
NACK_SN＝6，SO_start＝0，SO_end＝100；
After transmitting terminal receives this status report, whether the end side-play amount of SO_end indication of judging the segment data packet correspondence of NACK_SN=6 is " end ", because SO_end=100, therefore transmitting terminal is confirmed in the segment data packet of SN6 correspondence, and the remaining segment data except that the segment data of the request retransmission of SO_start and SO_end sign may correctly not received yet.Therefore transmitting terminal retransmits SN2 according to status report, SN4, SN5, and SN6 SO (0,100) Dui Ying data, and retransmitting end back deletion SN2, SN4, SN5 and SN6 SO (0,100) Dui Ying data, but because SN6 SO (101,200) and SN6 SO (201, end) uncertain whether correctly the reception, therefore transmitting terminal keep SN6 SO (101,200) and SN6 SO (201, end) Dui Ying data, follow-up when receiving request retransmission SN6 SO (201, during end) status report, this segment data that keeps can be retransmitted to receiving terminal, guaranteed that whole link can service disconnection not occur because mistake deletes data when the transmission data.
Corresponding with the embodiment of data re-transmission report method of the present invention and data transmission method for uplink, the present invention also provides the embodiment of data re-transmission reporting equipment, data transmitting equipment and data transmission system.
Data re-transmission reporting equipment of the present invention can be UE or the eNB as data receiver.The first embodiment block diagram of data re-transmission reporting equipment as shown in Figure 5, this equipment comprises: receiving element 510, detecting unit 520 and transmitting element 530.
Wherein, receiving element 510 receives packet, comprises segment data packet in the described packet; Whether the segment data that detecting unit 520 detects in the segment data packet is correctly received; When detecting unit 520 detects when the segment data that is not correctly received is arranged in the segment data packet, transmission comprises the status report of state information, described state information is used for indicating UE to keep or the segment data of last request retransmission of segment data packet that the deletion described request retransmits after the remaining segment data.
The second embodiment block diagram of data re-transmission reporting equipment as shown in Figure 6, this equipment comprises: unit 610, receiving element 620, detecting unit 630 and transmitting element 640 are set.
Wherein, the information that unit 610 sets in advance CPT indication in the described status report is set, described information comprises that indicative of said status is reported as imperfect status report or full status report; Receiving element 620 receives packet, comprises segment data packet in the described packet; Whether the segment data that detecting unit 630 detects in the segment data packet is correctly received; When detecting unit 630 detects when the segment data that is not correctly received is arranged in the segment data packet, transmitting element 640 is sent in and writes the status report that indicative of said status is reported as the indication information of imperfect status report among the CPT, the remaining segment data after the segment data that described indication information is used for asking to carry out the reservation or delete described last request retransmission of segment data packet.
Data processing equipment of the present invention can be as the UE of data sending terminal or eNB.The first embodiment block diagram of data processing equipment as shown in Figure 7, this equipment comprises: receiving element 710, acquiring unit 720 and performance element 730.
Wherein, receiving element 710 receiving state reports; Acquiring unit 720 obtains the state information of the segment data packet of request retransmission in the described status report; Remaining segment data after performance element 730 is carried out deletion according to described state information or kept the segment data of last request retransmission in the described segment data packet.
The second embodiment block diagram of treatment facility as shown in Figure 8, this equipment comprises: receiving element 810, acquiring unit 820 and performance element 830.
Wherein, receiving element 810 receiving state reports; Acquiring unit 820 obtains the state information of segment data packet by the control data bag type field CPT in the detected state report; Remaining segment data after performance element 830 is carried out deletion according to described state information or kept the segment data of last request retransmission in the described segment data packet.
Concrete, acquiring unit 820 comprises: read CPT unit 821, be used to read the information of described CPT indication; Determine information unit 822, when being used for judging that according to the information of described indication described status report is imperfect status report, the remaining segment data of the state information of determining the segment data packet that described request retransmits after for the segment data that keeps last request retransmission in the described segment data packet; When judging that according to the information of described indication described status report is full status report, the remaining segment data of the state information of determining the segment data packet that described request retransmits after for the segment data of last request retransmission in the described segment data packet of deletion.
The 3rd embodiment block diagram of treatment facility as shown in Figure 9, this equipment comprises: receiving element 910, acquiring unit 920 and performance element 930.
Wherein, receiving element 910 receiving state reports; Acquiring unit 920; Obtain the state information of the segment data packet of described segmentation request retransmission by the end side-play amount of segment data packet described in the detected state report; Remaining segment data after performance element 930 is carried out deletion according to described state information or kept the segment data of last request retransmission in the described segment data packet.
Concrete, acquiring unit 920 comprises: judge side-play amount unit 921, be used to judge whether the information of described end side-play amount indication is the end position of the segment data packet of described request re-transmission; Determine information unit 922, be used for when the information of described indication is not end position, the remaining segment data of the state information of determining described segment data packet after for the segment data that keeps last request retransmission in the described segment data packet.
Need to prove, acquiring unit in the data transmitting equipment can have the function among above-mentioned second embodiment and the 3rd embodiment simultaneously, it is the state information that acquiring unit can obtain segment data packet by the control data bag type field CPT in the detected state report, the end side-play amount of the segment data packet of the request retransmission in also can reporting by detected state is obtained the state information of described segment data packet, when concrete the application, acquiring unit can select a kind of mode to obtain state information flexibly, and this data transmitting equipment of the present invention is not limited.
The embodiment block diagram of data transmission system of the present invention as shown in figure 10, this system comprises: transmitting terminal 1010 and receiving terminal 1020, usually UE and eNB the other side's transmitting terminal and receiving terminal each other.
A kind of mode when using this system and carrying out transfer of data is: transmitting terminal 1010 sends the packet that comprises segment data packet to described receiving terminal 1020, and after receiving the status report that described receiving terminal 1020 returns, obtain the state information of the segment data packet of request retransmission in the described status report, and carry out according to described state information and to keep or delete remaining segment data after the segment data of last request retransmission in the described segment data packet; The described packet that receiving terminal 1020 receiving end/sending ends 1010 send, and to the described status report of described transmitting terminal 1010 transmissions.
Another kind of mode when using this system and carrying out transfer of data is: receiving terminal 1020 receives the packet that described transmitting terminal 1010 sends, comprise segment data packet in the described packet, when the segment data that is not correctly received is arranged in detecting segment data packet, transmission comprises the status report of state information, the remaining segment data after the segment data that described state information is used for indicating the reservation or deleting described last request retransmission of segment data packet; After transmitting terminal 1010 receives described status report, by detecting the state information that described status report obtains the segment data packet of request retransmission, and carry out according to described state information and to keep or delete described remaining segment data.
When the application embodiment of the invention is carried out transfer of data, can send the segment data of request retransmission according to state information, remaining segment data in deletion simultaneously or the reservation segment data packet after the segment data of last request retransmission, when the information capacity size of carrying at status report is restricted, owing to increased the information content of carrying, transmitting terminal can not deleted the segment data of the appearance mistake of not indicating in status report according to this information content, therefore described segment data can retransmit after receiving the succeeding state report, makes whole link can service disconnection not occur because mistake deletes data when the transmission data.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program comprises the steps: receiving state report when carrying out; Obtain the state information of the segment data packet of request retransmission in the described status report; Remaining segment data after carrying out deletion or keep the segment data of last request retransmission in the described segment data packet according to described state information.Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (12)
1, a kind of data processing method is characterized in that, comprising:
Receiving state report;
Obtain the state information of the segment data packet of request retransmission in the described status report;
Remaining segment data after carrying out deletion or keep the segment data of last request retransmission in the described segment data packet according to described state information.
2, method according to claim 1 is characterized in that, the described state information of obtaining the segment data packet of request retransmission in the status report comprises:
Obtain the state information of the segment data packet of described request re-transmission by the control data bag type field CPT in the detected state report; Or
Obtain the state information of the segment data packet of described request re-transmission by the end side-play amount of segment data packet described in the detected state report.
3, method according to claim 2 is characterized in that, the described state information of obtaining the segment data packet that described request retransmits by the CPT in the detected state report comprises:
Read the information of described CPT indication;
When the information indicative of said status of described indication is reported as imperfect status report, the remaining segment data of the state information of determining the segment data packet that described request retransmits after for the segment data that keeps last request retransmission in the described segment data packet.
4, method according to claim 2 is characterized in that, the described state information of obtaining the segment data packet that described request retransmits by the CPT in the detected state report comprises:
Read the information of described CPT indication;
When the information indicative of said status of described indication is reported as full status report, the remaining segment data of the state information of determining the segment data packet that described request retransmits after for the segment data of last request retransmission in the described segment data packet of deletion.
5, method according to claim 2 is characterized in that, the state information that described end side-play amount by segment data packet in the detected state report is obtained the segment data packet of described request re-transmission comprises:
Whether the information of judging the side-play amount indication of described end is the end position of the segment data packet of described request re-transmission;
When the information of described indication is not end position, the remaining segment data of the state information of determining described segment data packet after for the segment data that keeps last request retransmission in the described segment data packet.
6, a kind of data re-transmission report method is characterized in that, comprising:
Receive packet, described packet comprises segment data packet;
When the segment data that is not correctly received is arranged in detecting segment data packet, transmission comprises the status report of state information, described state information be used for indicating keep or the segment data of last request retransmission of segment data packet that the deletion described request retransmits after the remaining segment data.
7, a kind of data transmission system is characterized in that, comprising: transmitting terminal and receiving terminal,
Described transmitting terminal, be used for sending the packet that comprises segment data packet to described receiving terminal, and after receiving the status report that described receiving terminal returns, obtain the state information of the segment data packet of request retransmission in the described status report, and carry out according to described state information and to keep or delete remaining segment data after the segment data of last request retransmission in the described segment data packet;
Described receiving terminal is used for the described packet that receiving end/sending end sends, and sends described status report to described transmitting terminal.
8, a kind of data transmission system is characterized in that, comprising: transmitting terminal and receiving terminal,
Described receiving terminal, be used to receive the packet that described transmitting terminal sends, comprise segment data packet in the described packet, when the segment data that is not correctly received is arranged in detecting segment data packet, transmission comprises the status report of state information, the remaining segment data after the segment data that described state information is used for indicating the reservation or deleting described last request retransmission of segment data packet;
Described transmitting terminal, be used to receive described status report after, by detecting the state information that described status report obtains the segment data packet of request retransmission, and carry out according to described state information and to keep or delete described remaining segment data.
9, a kind of data processing equipment is characterized in that, comprising:
Receiving element is used for receiving state report;
Acquiring unit is used for obtaining the state information of the segment data packet of described status report request retransmission;
Performance element, the remaining segment data after being used for carrying out deletion or keeping the segment data of described last request retransmission of segment data packet according to described state information.
10, equipment according to claim 9 is characterized in that, described acquiring unit comprises:
First acquiring unit is used for the state information that control data bag type field CPT by detected state report obtains the segment data packet that described request retransmits; And/or
Second acquisition unit is used for obtaining by the end side-play amount of segment data packet described in the detected state report state information of the segment data packet of described segmentation request retransmission.
11, a kind of data re-transmission reporting equipment is characterized in that, comprising:
Receiving element is used to receive packet, comprises segment data packet in the described packet;
Detecting unit, whether the segment data that is used for detecting segment data packet is correctly received;
Transmitting element, be used for when detecting segment data packet the segment data that is not correctly received is arranged, transmission comprises the status report of state information, described state information be used for indicating keep or the segment data of last request retransmission of segment data packet that the deletion described request retransmits after the remaining segment data.
12, equipment according to claim 11 is characterized in that, also comprises:
The unit is set, is used for setting in advance the information of described status report CPT indication, described information comprises that indicative of said status is reported as imperfect status report or full status report;
State information in the status report that described transmitting element sends is specially: the indicative of said status that writes among the described CPT is reported as the indication information of imperfect status report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810133374A CN101651527A (en) | 2008-08-11 | 2008-08-11 | Data processing method, retransmitting and reporting method, equipment and data transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810133374A CN101651527A (en) | 2008-08-11 | 2008-08-11 | Data processing method, retransmitting and reporting method, equipment and data transmission system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102957522B (en) * | 2011-08-24 | 2017-05-10 | 中兴通讯股份有限公司 | RLC (radio link control) AM (acknowledged mode) status report processing method and system |
| WO2018214081A1 (en) * | 2017-05-24 | 2018-11-29 | Oppo广东移动通信有限公司 | Radio link control transmission method and related products |
| CN109756306A (en) * | 2017-11-03 | 2019-05-14 | 华为技术有限公司 | Information transferring method and communication equipment |
| WO2019137443A1 (en) * | 2018-01-12 | 2019-07-18 | 华为技术有限公司 | Data processing method and related device |
| WO2019179359A1 (en) * | 2018-03-21 | 2019-09-26 | 中兴通讯股份有限公司 | Data transmission method and device |
| WO2020062035A1 (en) * | 2018-09-28 | 2020-04-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for uplink transmission control |
| US11425588B2 (en) | 2018-01-12 | 2022-08-23 | Huawei Technologies Co., Ltd. | Data processing method and related device |
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2008
- 2008-08-11 CN CN200810133374A patent/CN101651527A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102957522B (en) * | 2011-08-24 | 2017-05-10 | 中兴通讯股份有限公司 | RLC (radio link control) AM (acknowledged mode) status report processing method and system |
| WO2018214081A1 (en) * | 2017-05-24 | 2018-11-29 | Oppo广东移动通信有限公司 | Radio link control transmission method and related products |
| RU2736417C1 (en) * | 2017-05-24 | 2020-11-17 | Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. | Method for transmission over radio link control protocol and related products |
| US11184947B2 (en) | 2017-05-24 | 2021-11-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Radio link control transmission method and related products |
| CN109756306A (en) * | 2017-11-03 | 2019-05-14 | 华为技术有限公司 | Information transferring method and communication equipment |
| CN109756306B (en) * | 2017-11-03 | 2023-10-03 | 华为技术有限公司 | Information transmission method and communication device |
| WO2019137443A1 (en) * | 2018-01-12 | 2019-07-18 | 华为技术有限公司 | Data processing method and related device |
| US11425588B2 (en) | 2018-01-12 | 2022-08-23 | Huawei Technologies Co., Ltd. | Data processing method and related device |
| WO2019179359A1 (en) * | 2018-03-21 | 2019-09-26 | 中兴通讯股份有限公司 | Data transmission method and device |
| WO2020062035A1 (en) * | 2018-09-28 | 2020-04-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for uplink transmission control |
| US11451321B2 (en) | 2018-09-28 | 2022-09-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for uplink transmission control |
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