CN101030842A - Method and apparatus for rearranging data in mobile telecommunication system - Google Patents
Method and apparatus for rearranging data in mobile telecommunication system Download PDFInfo
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- CN101030842A CN101030842A CNA2006100593426A CN200610059342A CN101030842A CN 101030842 A CN101030842 A CN 101030842A CN A2006100593426 A CNA2006100593426 A CN A2006100593426A CN 200610059342 A CN200610059342 A CN 200610059342A CN 101030842 A CN101030842 A CN 101030842A
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Abstract
The method comprises: a) after the hybrid automatic repeat request (HARQ) entity of receiving end receives the correctly-decoded transmission block, it sends it to the automatic repeat request (ARQ) of receiving end; the ARQ of receiving end receives the transmission block and un-packs the transmission block, and rearranges the upper layer protocol data unit to get service data unit. The apparatus thereof comprises: a first re-transmission unit used for sending the received transmission block to the second retransmission unit; a second re-transmission unit connected to the first retransmission unit used for up-packing the received transmission block to get the upper layer protocol data unit, and for rearranging the upper layer data unit to get service data unit and transmitting the service data unit to upper layer.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of rearrangement method and device of data in mobile communication system.
Background technology
In early 1990s, begin to have communication common carrier and some research organizations to begin the research work of Wideband Code Division Multiple Access (WCDMA) WCDMA in Europe, since 98 years till now, the technical specification of the WCDMA system Release 99 that passed by, Release 4, and Release 5, Release 6 these several stages, very ripe for described this several stages, the standardization effort about Release 7 comes into effect at present.Meanwhile, the research of Long Term Evolution LTE (Long Term Evolution) has also become the new focus of standardization effort gradually, is a kind of network cheaply that can reduce time delay, raising user data rate, improved power system capacity and covering.Described LTE will will be brand-new from the system framework to the physical layer, be intended to for the user provides higher rate the service of better performance.Land radio access web UTRAN among the LTE is called as the wireless land of evolution Access Network (E-UTRAN) at present, comprises evolution Access Network and evolution base station.But, at what kind of rearrangement of carrying out that does not also propose in the present evolution base station needs transmission data, could reduce the rearrangement number of times between protocol layer, and problem such as propagation delay time, be the problem that example explanation exists with the Radio interface protocols in the preceding base station of evolution below.Be specially:
The structural framing of described Radio interface protocols is divided into 3 layers, layer 3 is the radio resource control RRC layer, layer 2 is divided into packet data convergence protocol PDCP and broadcast/multi broadcast control BMC layer, Radio Link control rlc layer and media access control MAC layer, and layer 1 is physical layer PHY, specifically as shown in Figure 1.The grouping busihess data transmission course of up-downgoing is successively by PDCP/BMC layer, rlc layer, MAC layer and physical layer, the flow direction that enters physical layer PHY, opposite end MAC layer, opposite end rlc layer and the opposite end PDCP/BMC layer of opposite end is then transmitted, and its signaling then is directly from the rrc layer to the rlc layer.In the data transfer of above-mentioned data from the high level to the low layer, whenever all can be coupled with the data head of this layer through a layer data, arrived the peer layer of opposite end, by resolving this data, remove the data head of these data, give the delivery of content of these data high-rise again.In data transmission procedure, rlc layer and MAC layer can be cut apart/cascade the data that high level is come, and wherein rlc layer data (RLC SDU) that high level is sent here are divided into equal-sized data block, add header, form RLC PDU and are sent to the MAC layer; In physical layer, the data that the MAC layer is come are cut apart/cascade forms sizeable physical frame and sends.Receiving terminal is carried out and to be cut apart/inverse process of cascade, and the MAC layer is reset MAC PDU according to the order of transmission sequence number, is 1,2,3 and so on sequence number such as, transmission sequence number, and this sequence number is to sort according to the sequencing that receives data block.And a correct data of orderly reception is sent rlc layer; At rlc layer, according to the header (sequence number) that transmitting terminal adds RLC PDU is reset, after all data of forming a SDU all receive correctly, to the high level transmission, wherein, that the MAC layer is reset is MAC PDU with this RLC SDU, and each MAC PDU may comprise a plurality of RLC PDU, deliver to rlc layer after MAC PDU resets, RLC is easy to basis wherein discontinuous (part process HARQ retransmits does not still have transmission correctly) data and judges losing of RLC PDU, request ARQ re-transmission.Again can be out of order through RLC PDU after the ARQ re-transmission, therefore also tackle RLC PDU and sort.
This shows that MAC layer and rlc layer all need to carry out the rearrangement of data in existing protocol.That is: at rlc layer, RLC SDU carries out data according to the RLC PDU size of high level configuration to be cut apart, to cutting apart the unified numbering of the PDU that obtains, as the sign that receives and retransmit, the data that need to retransmit are stored in the ARQ buffer memory, and the numbering of RLC PDU is called sequence number (SN, Sequence Number) in present agreement, the sequence number length of affirmation mode is 12bit, and the sequence number of Unacknowledged Mode is 7bit.With regard to the given size of RLC PDU, carry out RLC SDU when cutting apart when a kind of business is at its corresponding RLC entity of configuration in present agreement, when data deficiencies PDU size, RLC PDU added and fill bit, guaranteeing the PDU constant magnitude.According to SN RLC PDU is reset and recombinate at the receiving terminal rlc layer.For another example in the HSDPA/HSUPA system, after adding the MAC data head, RLC PDU process MAC-d entity forms after the MAC-d PDU, carry out cascade at the MAC-hs/MAC-e entity, add data head, comprising transmission sequence number (TSN), form physical frame, and be cached in the HARQ buffer memory, HARQ resets MAC PDU according to TSN at receiving terminal MAC layer, and is sent to rlc layer receiving correct data in order.
This shows, in data transmission procedure, when through the different protocol layer of receiving terminal, such as MAC layer and rlc layer through receiving terminal, according to adding sequence number the data of receiving terminal are reset respectively, thereby increased the expense of system, and MAC layer and rlc layer are in base station and RNC respectively, by this twice rearrangement, can increase the time delay of transfer of data.
Summary of the invention
The technical problem that the present invention solves provides a kind of rearrangement method and device thereof of data in mobile communication system, and by reducing the rearrangement number of times of data between protocol layer, the reduced data header reduces the propagation delay time of data and the expense of minimizing data.
For addressing the above problem, the invention provides a kind of rearrangement method of data in mobile communication system, described method comprises step:
The automatic retransmission entities of the mixing of A, receiving terminal is sent to the automatic repeat request entity after receiving the transmission block that is correctly decoded;
The automatic repeat request entity of B, receiving terminal carries out decapsulation to the transmission block that receives, and the higher layer protocol data units after the decapsulation reset and recombinates, and obtains Service Data Unit.
Also comprise between steps A and the step B:
If the transmission block that receives is made up of the protocol Data Unit of a plurality of automatic repeat request entities, then transmission block is decomposed, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
Mix automatic retransmission entities described in the steps A and receive that the out of order transmission block that is correctly decoded do not reset, directly it is sent to the upper strata.
If the number of retransmissions of transmission block surpasses default maximum retransmission in the described steps A, then mix automatic retransmission entities and inform that by interlayer source language data are lost in this transmission block of automatic repeat request entity.
After the entity of automatic repeat request described in the step B obtains higher layer protocol data units, status report not, and it is left in reset in the buffer memory.
The generation of status report produces automatically by the triggering that is caused by maximum retransmission in cycle triggering, the automatic retransmission entities of mixing or by automatic retransmission entities.
The specific implementation process of step B is:
The rearrangement entity of receiving terminal is reset the higher layer protocol data units that receives according to sequence number and segment sequence number, and recombinates after removing the information header of resetting the back higher layer protocol data units, obtains Service Data Unit.
In addition, the present invention also provides a kind of rearrangement device of data in mobile communication system, and described device comprises: first retransmission unit and second retransmission unit, wherein,
Described first retransmission unit, the transmission block that is used for receiving directly sends to second retransmission unit;
Described second retransmission unit is used to receive the transmission block that first retransmission unit sends, and this transmission block is carried out decapsulation, obtain higher layer protocol data units, and described higher layer protocol data units reset and recombinate, obtain Service Data Unit, it is sent high-rise.
Described device also comprises: resolving cell, link to each other with second retransmission unit with first retransmission unit respectively, be used to decompose the transmission block of forming by the protocol Data Unit of a plurality of automatic repeat request entities, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
Described first retransmission unit comprises:
Mix retransmitting subelement automatically, the transmission block that is used for receiving retransmits;
Judgment sub-unit is used to judge whether the number of retransmissions of described transmission block surpasses default maximum retransmission, if surpass maximum number of retransmissions, then notifies loss of data in this transmission block of second retransmission unit.
Described second retransmission unit comprises:
One or more automatic repeat request subelements retransmit subelement or resolving cell automatically with mixing and link to each other, and are used for the higher layer protocol data units that obtains after transmission block or sub-transmission block carry out decapsulation and send decapsulation receiving;
One or more rearrangement subelements link to each other with the automatic repeat request subelement, according to sequence number or segment sequence number the higher layer protocol data units that receives reset, and the higher layer protocol data units after the transmission rearrangement;
One or more recons unit and is reset subelement and is linked to each other, and recombinates after being used for the higher layer protocol data units that receives removed information header, obtains Service Data Unit.
Described rearrangement device is arranged in evolution base station or subscriber equipment.
Compared with prior art, the present invention has following beneficial effect: the present invention is by being displaced downwardly to wireless chain control layer the base station or merging in the media access control layer, will significantly reduce two-layer between the interaction time delay of data, even can ignore.And because this two-layer base station that is located on, the information that therefore feeds back to the base station can be shared, and for providing good condition alternately between two-layer, helps the raising of data transmission efficiency.Reset by two-layer rearrangement being reduced to once, not only simplified the encapsulation of protocol layer with data Layer, cancelled HARQ transmission sequence number (TSN), reduce the expense of data, also reduced simultaneously the time delay of the data rearrangement that when HARQ, brings, improved data transmission efficiency, it is especially favourable to have a unordered Service Data Unit of submitting attribute for those.
Description of drawings
Fig. 1 is the structural framing schematic diagram of Radio interface protocols in the prior art;
Fig. 2 is the configuration diagram of the wireless land of evolution connecting system;
Fig. 3 is that data in mobile communication system of the present invention is reset schematic representation of apparatus;
Fig. 4 is the flow chart of data in mobile communication system rearrangement method of the present invention;
Fig. 5 A is the specific implementation process of data in mobile communication system rearrangement method of the present invention;
Fig. 5 B is the schematic diagram of protocol layer in the data in mobile communication system rearrangement method of the present invention;
Fig. 6 is the embodiment of the rearrangement buffer memory of receiving terminal in the data in mobile communication system rearrangement method of the present invention.
Embodiment
Core of the present invention mainly is to insert in (E-UTRAN) system on the wireless land of evolution, and by reducing in the evolution base station rearrangement number of times of data between protocol layer, the reduced data header effectively reduces the time delay of transfer of data and the expense of minimizing data.That is to say, wireless chain control layer of the prior art is moved down into the base station, or and the base station in media access control layer merge (with the interface time delay between effective minimizing media access control layer and wireless chain control layer), form the evolution media access control layer in the evolution base station, when the transmitting terminal reception of described evolution base station needs data packets for transmission, earlier described packet is carried out division cascade flexibly, so that the receiving terminal of evolution base station retransmits, resets and recombinate this packet.
In order to make those skilled in the art person understand the present invention program better, before describing the present invention earlier concise and to the point introduce the present invention institute based on the wireless land of evolution access (E-UTRAN) system.
Please refer to Fig. 2, insert the configuration diagram of (E-UTRAN) system for the wireless land of evolution.Described E-UTRAN comprises: evolution IAD 1 (E-AGW) and evolution base station 2 (E-NodeB) two-tier system, described E-NodeB manages a plurality of user equipment (UE)s 3 again.Described E-Node and E-AGW can directly connect, and also can link to each other by IP network.Wherein, described E-AGW is arranged in evolution core net evolution core net Evolved CN, and the function class of the radio network controller (RNC) in its function and the R6 agreement seemingly is used to manage different E-NodeB, and each E-NodeB directly links to each other with E-AGW, manages the user in the described sub-district.For the protocol stack of E-UTRAN, described E-NodeB comprises: evolution media access control layer MAC and evolution physical layer PHY, described E-AGW comprises evolution packet data convergence protocol layer.
By the understanding to last surface technology, the present invention is further detailed explanation below in conjunction with drawings and embodiments.
See also Fig. 3, be the configuration diagram that data in mobile communication system of the present invention is reset device, described device can be arranged in evolution base station also can be arranged in user equipment (UE).Described device comprises: first retransmission unit 11 and second retransmission unit 12 can also comprise resolving cell 13 (as shown in phantom in FIG.).Wherein, described first retransmission unit 11, the transmission block that is used for receiving directly sends to second retransmission unit; Described second retransmission unit 12 links to each other with first retransmission unit 11, by the transmission block that receives is carried out decapsulation, obtain higher layer protocol data units, and described higher layer protocol data units reset and recombinate, obtain Service Data Unit, send it to high level.Described resolving cell 13, link to each other with described second retransmission unit 12 with described first retransmission unit 11 respectively, be used to decompose the transmission block of forming by the protocol Data Unit of a plurality of automatic repeat request entities, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
Described first retransmission unit 11 comprises: mix to retransmit subelement 111 and judgment sub-unit 112 automatically, described mixing retransmits the transmission block that subelement 111 is used for receiving automatically and retransmits; Described judgment sub-unit 112 is used to judge whether the number of retransmissions of described transmission block surpasses default maximum retransmission, if surpass maximum number of retransmissions, then notifies loss of data in this transmission block of second retransmission unit.
Described second retransmission unit 12 comprises: one or more automatic repeat request subelements 121, one or more rearrangement subelement 122, one or more recons unit 123.Wherein, described one or more automatic repeat request subelements 121 retransmit subelement 111 or resolving cell 13 automatically with mixing and link to each other, and are used for the higher layer protocol data units that obtains after transmission block or sub-transmission block carry out decapsulation and send decapsulation receiving; Described one or more rearrangement subelement 122 links to each other with automatic repeat request subelement 121, according to sequence number or segment sequence number the higher layer protocol data units that receives reset, and the higher layer protocol data units after the transmission rearrangement; Described one or more recons unit 123 and is reset subelement 122 and is linked to each other, and recombinates after being used for the higher layer protocol data units that receives removed information header, obtains Service Data Unit.
By said apparatus as can be known,, wireless chain control layer RLC and media access control layer MAC are merged, thereby reduced the propagation delay time of interface between the protocol layer, even can ignore interface time delay at the mobile communication system after the evolution.Service Data Unit (being the IP packet) for the needs transmission has two kinds of implementations: a kind of implementation is to reset device to be arranged in subscriber equipment: another kind of implementation is to reset device to be arranged in evolution base station.Respectively these two kinds of implementation procedures are described below:
A kind of implementation: the transmitting terminal media access control layer is cut apart it or/and cascade in the evolution base station, obtain protocol Data Unit, and to its packaging information head, form transmission block (TB) after physical layer transmission arrives the receiving terminal of user equipment (UE), after the media access control layer MAC of described subscriber equipment receiving terminal receives this transmission block, mix re-transmission (HARQ automatically by receiving terminal, Hybrid AutomaticRepeat Request) obtains the correct code transmission block of separating after the re-transmission of layer to described transmission block, and send it to the automatic repeat request (ARQ of receiving terminal, Automatic Repeat Request) layer, described automatic repeat request ARQ layer carries out obtaining out of order protocol Data Unit after the decapsulation to the transmission block that receives, according to sequence number or segment sequence number described protocol Data Unit is being reset and recombinated then, obtain orderly Service Data Unit, and send it to high level.
Wherein, described ARQ is meant by retransmitting and guarantees the reliability transmitted, and is current when once attempting bust this, just requires the transmission mechanism of retransmission data packet may.The HARQ agreement is the improvement of ARQ agreement, has introduced a FEC subsystem exactly in the ARQ system, and this FEC subsystem is to be used for correcting a mistake to reduce the number of times of re-transmission.In HARQ, transmitting terminal only just begins next data block is operated after the data block that sends is correctly received, system uses the sequence number of 1 bit to distinguish current data block and next data block waiting for transmission, and the affirmation information (ACK or wrong responses NACK are replied in use) whether receiving terminal is used to indicate transmission block to be correctly decoded is used a bit.
Another kind of implementation is the inverse process of above-mentioned implementation, its implementation procedure is basic identical with aforesaid way, its difference is, sending ending equipment is cut apart or/and cascade the Service Data Unit of needs transmission earlier in the subscriber equipment, and will cut apart or/and form transmission block behind the protocol Data Unit packaging information head after the cascade and send in the evolution base station by physical layer, described evolution base station is identical with the processing procedure of above-mentioned subscriber equipment receiving terminal, specifically sees for details above-mentionedly, does not repeat them here.
Wherein, the function of described physical layer be to the packet that receives modulate, operation such as coding, Time and Frequency Synchronization; The MAC layer carries out the medium access control, and the operations such as priority of UE data flow are handled in dynamic dispatching.The function of automatic repeat request ARQ is the re-transmission that retransmits automatically on the HARQ mixing, preventing that HARQ failure from causing data error, ARQ also to have out of order packet is carried out segmentation, reorganization, division cascade, order is delivered to functions such as high level, copy detection, Flow Control.
In addition, the present invention also provides the rearrangement method of data in a kind of communication system, and the flow chart of this method sees Fig. 4 for details, and described method comprises step:
Step S11: the automatic retransmission entities of the mixing of receiving terminal is sent to the automatic repeat request entity after receiving the transmission block that is correctly decoded;
Step S12: the automatic repeat request entity of receiving terminal carries out decapsulation to the transmission block that receives, and the higher layer protocol data units after the decapsulation reset and recombinates, and obtains Service Data Unit.
Between step S11 and step S12, also comprise step: if the transmission block that receives is made up of the protocol Data Unit of a plurality of automatic repeat request entities, then transmission block is decomposed, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
For the ease of understanding, be transmitting terminal below with the subscriber equipment, and evolution base station be receiving terminal is that example illustrates the present invention, otherwise also sets up.
See also Fig. 5 A and 5B again, be respectively the embodiment of transfer of data detailed process in the method for the invention.As shown in the figure, transmitting terminal media access control MAC layer cut apart and/or the cascade function entity is cut apart and/or cascade high-level business data cell SDU (be IP bag), and corresponding sequence number (such as shown in the figure 1,2 and 3) is set, send automatic repeat request ARQ entity after forming protocol Data Unit PDU; And the generation transmission block functional entity of MAC layer to the PDU that receives add carry out behind the necessary header (TB head) (as the service priority queue number etc.) multiplexing, send mixed automatic retransmission HARQ functional entity after forming transmission block (TB), the HARQ of described receiving terminal receives the TB that is correctly decoded after retransmitting, and, do not reset to the TB that ARQ submits correct reception.Described ARQ entity obtains not sending out status report behind the out of order protocol Data Unit PDU by decomposition and decapsulation, only described PDU is placed on and resets in the buffer memory, resets functional entity and according to sequence number SN and segment sequence number SSN PDU is reset.Wherein, described SN is the sequence number of PDU of transmission first, SSN for each segmentation at the sequence number that transmits first among the PDU, can just can retransmit, reset and recombinate by SN and SSN at receiving terminal like this.The recombination function entity is recombinated after removing information header among the PDU, obtains correct and orderly Service Data Unit SDU, and it is sent to high level.In addition, when the number of retransmissions of receiving terminal data block surpasses maximum retransmission, can inform that this transmission block of ARQ loses by interlayer source language at receiving terminal HARQ, the triggering of described status report can be periodic triggers, be produced automatically or triggered by the maximum retransmission of HARQ by the automatic repeat request entity.
Please refer to the another Application Example of the method for the invention.If transmitting terminal has 2 UDP (being the IP bag), behind division cascade, be divided into 3 PDU, sequence number (SN) is respectively 1,2,3, retransmit at HARQ behind the formation TB, receiving terminal is received behind the TB by after the decapsulation, be sent to the rearrangement entity, reset entity and reset, described protocol Data Unit is recombinated after removing information header then according to sequence number or segment sequence number.In this implementation procedure, if the number of retransmissions of transmission block surpasses predetermined maximum retransmission, HARQ then notifies ARQ to retransmit, when retransmitting PDU once more, can carry out division cascade to it once more, can be divided into PDU, i.e. SN=1 once more 1.1 and No. 1.2 such as No. 1 PDU, SSN=1 and SN=1, these 2 PDU of SSN=2.Like this in the rearrangement buffer memory of receiving terminal the order as shown in Figure 6.
This shows, cancelled the rearrangement of receiving terminal HARQ in the scheme of the present invention, promptly after receiving terminal HARQ receives correct TB, be sent to ARQ immediately, only reset and do, and can cancel, reduce the expense of data for HARQ transmission sequence number (TSN) at ARQ.Therefore, the present invention not only reduces the rearrangement number of times of data between protocol layer, and the reduced data header has also reduced the propagation delay time of data and the expense of minimizing data simultaneously.
In addition, if the transmission block that receives is made up of the protocol Data Unit of a plurality of automatic repeat request entities, then decompose receiving correct transmission block earlier, then the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity, the implementation procedure of described each automatic repeat request entity is identical with the implementation procedure of the above-mentioned protocol Data Unit that receives single automatic repeat request entity, specifically see for details aforementionedly, do not repeat them here.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1, a kind of rearrangement method of data in mobile communication system is characterized in that, comprises step:
The automatic retransmission entities of the mixing of A, receiving terminal is sent to the automatic repeat request entity after receiving the transmission block that is correctly decoded;
The automatic repeat request entity of B, receiving terminal carries out decapsulation to the transmission block that receives, and the higher layer protocol data units after the decapsulation reset and recombinates, and obtains Service Data Unit.
2, according to the rearrangement method of the described data in mobile communication system of claim 1, it is characterized in that, also comprise between steps A and the step B:
If the transmission block that receives is made up of the protocol Data Unit of a plurality of automatic repeat request entities, then transmission block is decomposed, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
3, according to the rearrangement method of claim 1 or 2 described data in mobile communication system, it is characterized in that, mix automatic retransmission entities described in the steps A and receive that the out of order transmission block that is correctly decoded do not reset, directly it is sent to the upper strata.
4, according to the rearrangement method of the described data in mobile communication system of claim 1, it is characterized in that, if the number of retransmissions of transmission block surpasses default maximum retransmission in the described steps A, then mix automatic retransmission entities and inform that by interlayer source language data are lost in this transmission block of automatic repeat request entity.
5, according to the rearrangement method of claim 1 or 2 described data in mobile communication system, it is characterized in that, after the entity of automatic repeat request described in the step B obtains higher layer protocol data units, status report not, and it is left in reset in the buffer memory.
According to the rearrangement method of the described data in mobile communication system of claim 5, it is characterized in that 6, the generation of status report produces automatically by the triggering that is caused by maximum retransmission in cycle triggering, the automatic retransmission entities of mixing or by automatic retransmission entities.
According to the rearrangement method of claim 1 or 2 described data in mobile communication system, it is characterized in that 7, the specific implementation process of step B is:
The rearrangement entity of receiving terminal is reset the higher layer protocol data units that receives according to sequence number and segment sequence number, and recombinates after removing the information header of resetting the back higher layer protocol data units, obtains Service Data Unit.
8, a kind of rearrangement device of data in mobile communication system is characterized in that, comprising: first retransmission unit and second retransmission unit, wherein,
Described first retransmission unit, the transmission block that is used for receiving directly sends to second retransmission unit;
Described second retransmission unit is used to receive the transmission block that first retransmission unit sends, and this transmission block is carried out decapsulation, obtain higher layer protocol data units, and described higher layer protocol data units reset and recombinate, obtain Service Data Unit, it is sent high-rise.
9, the rearrangement device of described data in mobile communication system according to Claim 8, it is characterized in that, described device also comprises: resolving cell, link to each other with second retransmission unit with first retransmission unit respectively, be used to decompose the transmission block of forming by the protocol Data Unit of a plurality of automatic repeat request entities, and the sub-transmission block after decomposing is sent to corresponding automatic repeat request entity.
10, according to Claim 8 or the rearrangement device of 9 described data in mobile communication system, it is characterized in that described first retransmission unit comprises:
Mix retransmitting subelement automatically, the transmission block that is used for receiving retransmits;
Judgment sub-unit is used to judge whether the number of retransmissions of described transmission block surpasses default maximum retransmission, if surpass maximum number of retransmissions, then notifies loss of data in this transmission block of second retransmission unit.
11, according to Claim 8 or the rearrangement device of 9 described data in mobile communication system, it is characterized in that described second retransmission unit comprises:
One or more automatic repeat request subelements retransmit subelement or resolving cell automatically with mixing and link to each other, and are used for the higher layer protocol data units that obtains after transmission block or sub-transmission block carry out decapsulation and send decapsulation receiving;
One or more rearrangement subelements link to each other with the automatic repeat request subelement, according to sequence number or segment sequence number the higher layer protocol data units that receives reset, and the higher layer protocol data units after the transmission rearrangement;
One or more recons unit and is reset subelement and is linked to each other, and recombinates after being used for the higher layer protocol data units that receives removed information header, obtains Service Data Unit.
12, according to Claim 8 or the rearrangement device of 9 described data in mobile communication system, it is characterized in that described rearrangement device is arranged in evolution base station or subscriber equipment.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100593426A CN101030842B (en) | 2006-03-03 | 2006-03-03 | Method and apparatus for rearranging data in mobile telecommunication system |
| PCT/CN2007/000406 WO2007098676A1 (en) | 2006-03-03 | 2007-02-06 | A method for reassembling data in wireless communication system and an apparatus thereof |
| AT07702289T ATE492100T1 (en) | 2006-03-03 | 2007-02-06 | METHOD FOR REASSUMING DATA IN A WIRELESS COMMUNICATIONS SYSTEM AND DEVICE THEREFOR |
| ES07702289T ES2357045T3 (en) | 2006-03-03 | 2007-02-06 | METHOD AND DEVICE FOR DATA REASSEMBLY IN A WIRELESS COMMUNICATION SYSTEM. |
| EP07702289A EP1993241B1 (en) | 2006-03-03 | 2007-02-06 | A method for reassembling data in wireless communication system and an apparatus thereof |
| DE602007011221T DE602007011221D1 (en) | 2006-03-03 | 2007-02-06 | METHOD FOR RECOMBINING DATA IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR |
| US12/203,799 US20090046626A1 (en) | 2006-03-03 | 2008-09-03 | Method and device for reordering data in wireless communication system |
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| CN2006100593426A CN101030842B (en) | 2006-03-03 | 2006-03-03 | Method and apparatus for rearranging data in mobile telecommunication system |
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| CN101030842A true CN101030842A (en) | 2007-09-05 |
| CN101030842B CN101030842B (en) | 2011-04-20 |
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| CN102647332A (en) * | 2011-02-21 | 2012-08-22 | 电信科学技术研究院 | Method and device for transmitting data |
| CN103001748A (en) * | 2012-12-25 | 2013-03-27 | 大唐移动通信设备有限公司 | Method and device for retransmitting data and processing retransmitted data |
| CN103108215A (en) * | 2013-02-01 | 2013-05-15 | 奥维通信股份有限公司 | Multiplexer data transmission method and device |
| CN105264812A (en) * | 2013-06-10 | 2016-01-20 | 高通股份有限公司 | Methods and apparatus for improving call performance and data throughput |
| CN106301703A (en) * | 2015-05-15 | 2017-01-04 | 中兴通讯股份有限公司 | HARQ sending, receiving method, device and node |
| WO2018108127A1 (en) * | 2016-12-14 | 2018-06-21 | 中国移动通信有限公司研究院 | Method for sending information, method for receiving information, pdcp entity, and computer storage medium |
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| CN109922057A (en) * | 2019-02-27 | 2019-06-21 | 智慧海派科技有限公司 | UDP message recombination method based on frame sequence |
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| EP1056258A1 (en) * | 1999-05-27 | 2000-11-29 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Data unit sending means and control method in wireless networks |
| US7310336B2 (en) * | 2001-05-18 | 2007-12-18 | Esa Malkamaki | Hybrid automatic repeat request (HARQ) scheme with in-sequence delivery of packets |
| CN100379191C (en) * | 2002-06-26 | 2008-04-02 | 华为技术有限公司 | Data retransmitting method in communication network |
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Also Published As
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| ES2357045T3 (en) | 2011-04-15 |
| CN101030842B (en) | 2011-04-20 |
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