CN105163397A - Message sending method and device - Google Patents
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- CN105163397A CN105163397A CN201510477381.7A CN201510477381A CN105163397A CN 105163397 A CN105163397 A CN 105163397A CN 201510477381 A CN201510477381 A CN 201510477381A CN 105163397 A CN105163397 A CN 105163397A
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Abstract
The invention relates to the communication field and discloses a message sending method and device. The method comprises the steps that a radio link control RLC entity receives service data units SDU sent by a radio resource control RRC entity; the RLC entity processes the SDU, and protocol data units PDU corresponding to the SDU are obtained; and the RLC entity sends the SDU to the corresponding PDU according to the priority of the SDU. According to the invention, messages are sent according to the priority, so that the real-time performance of message sending is further improved.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of message method and device.
Background technology
RLC (wireless spread-spectrum technology, RadioLinkControl) be GPRS (general packet radio service technology, GeneralPacketRadioService), WCDMA (Wideband Code Division Multiple Access (WCDMA), Wideband Code Division Multiple Access (WCDMA), WidebandCodeDivisionMultipleAccess), TD-SCDMA (TD SDMA, TimeDivision-SynchronousCodeDivisionMultipleAccess) the wireless chain control layer agreement, in the wireless communication system such as LTE (Long Term Evolution, LongTermEvolution).Rlc layer is positioned on MAC (media are got involved and controlled, MediaAccessControl) layer, belongs to a part for the second layer.Rlc layer is configured by RRC (wireless heterogeneous networks, RadioResourceControl) layer, and its function is completed by RLC entity, main performs segmentation and cascade, the function such as to submit as required.
3G (third generation digital communication, in the actual moving process of 3rdGeneration) network, due to packet switching adjustment, switch, measurement report data collection etc., it is to be sent more to cause that Survey control (MeasureReport) message is accumulated on rlc layer etc.In addition radio bearer reconfigures (RadioBearerReconfiguration) message, transmission channel reconfigures (TransportchannelReconfiguration) message, physical channel reconfigures (PhysicalchannelReconfiguration) message, radio bearer sets up configuration (RadioBearerSetupConfiguration) message, radio bearer release (RadioBearerRelease) message etc. all needs to send on the Signaling Radio Bearer (SRB, SignalRadioBear) of rlc layer.Radio bearer reconfigures message, and transmission channel reconfigures message, and physical channel reconfigures message and is generally UE (subscriber equipment, i.e. terminal, UserEquipment) and carries out cell merge or adjustment, and requirement of real-time is high.
RLC entity can send according to the message sequence of high level requests, if there has been a large amount of Survey control Messages-Waitings to send before, the important message such as follow-up radio bearer reconfigures can be caused to overstock at rlc layer, cause terminal not switch in time, cutting off rate promotes or user awareness is deteriorated.In addition, if radio bearer sets up configuration messages, radio bearer release message etc. do not send to terminal in time, problems such as going offline can be caused.
Summary of the invention
The embodiment of the present invention provides a kind of message method and device, in order to carry out message transmission based on priority, and then improves the real-time of message transmission.
The message method that the embodiment of the present invention provides comprises:
RLC entity receives the service data unit SDU that RRC entity is sent;
To described SDU process, obtain the protocol Data Unit PDU corresponding with described SDU;
According to the priority of described SDU, send the PDU that described SDU is corresponding.
Preferably, described RLC entity receives the SDU that RRC entity is sent, and comprising:
Described RLC entity receives the RLC data sending request message that described RRC entity is sent, and carries the priority indication information of described SDU and described SDU in described RLC data sending request message.
Preferably, described RLC entity, according to the priority of described SDU, sends the PDU that described SDU is corresponding, comprising:
Described RLC entity determines the priority of described SDU, and the priority of a SDU is high priority or low priority;
If described SDU is high priority SDU, then described PDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue to send buffer queue from described PDU and delete, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send.
Preferably, describedly PDU corresponding to described high priority SDU is placed on after described PDU sends in buffer queue, also comprises:
Corresponding PDU is obtained to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
Preferably, if described SDU is low priority, then PDU corresponding for described SDU is placed in described PDU transmission buffer queue and sends.
A kind of message dispensing device, comprising: RRC entity and RLC entity;
Described RRC entity, for sending to described RLC entity by service data unit SDU;
Described RLC entity, for receiving the described SDU that described RRC entity is sent; To described SDU process, obtain the protocol Data Unit PDU corresponding with described SDU; According to the priority of described SDU, send the PDU that described SDU is corresponding.
Preferably, described RLC entity comprises:
Receiver module, for receiving the RLC data sending request message that described RRC entity is sent;
Judge module, for determining the priority of described SDU, the priority of a SDU is high priority or low priority;
Sending module, if be high priority SDU for described SDU, then described PDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue to send buffer queue from described PDU and delete, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send.
Preferably, the priority indication information of described SDU and described SDU is carried in described RLC data sending request message.
Preferably, described sending module also for:
Corresponding PDU is obtained to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
Preferably, described sending module also for:
If described SDU is low priority, then PDU corresponding for described SDU is placed in described PDU transmission buffer queue and sends.
In the embodiment of the present invention, after the SDU that RLC entity reception RRC entity is sent, to described SDU process, obtaining the PDU corresponding with described SDU, when sending PDU, according to the priority of SDU, sending the PDU that described SDU is corresponding.Because RLC entity sends corresponding PDU according to the priority of SDU, instead of the order completely sending SDU according to high level sends, if for the important messages that requirement of real-time is high, its SDU is set to higher priority, then compared with prior art, the important messages that this requirement of real-time is high can be sent out in time, thus for the high important messages of this requirement of real-time, improves the promptness that its message sends.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of message method in prior art;
Fig. 2 is the flow chart of message method in the embodiment of the present invention one;
Fig. 3 is the flow chart of message method in the embodiment of the present invention two;
Fig. 4 is the structure chart of message dispensing device in the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The protocol layer of LTE system, considers from user face, comprises PDCP (PacketDataConvergenceProtocol, PDCP) layer, rlc layer, MAC layer, physics (Physical, PHY) layer from top to bottom; Considering from chain of command, also comprising RRC (RadioResourceControl, the wireless heterogeneous networks) layer on PDCP layer, for providing the control signal of wireless network.
Before the embodiment of the present invention is described in detail, make a reservation for first as follows:
The embodiment of the present invention mainly pays close attention to RLC message transmitting process, and this process relates generally to the process operation of rrc layer, rlc layer.For convenience of description, in the embodiment of the present invention, the protocol entity of rrc layer is called RRC entity, the protocol entity of rlc layer is called RLC entity.
The configuration of rrc layer management rlc layer, RLC entity is responsible for the function performing rlc layer, and at base station side configuration RLC entity, also have corresponding RLC entity in user side, vice versa.A RLC entity is responsible for receiving the service data unit (SDU, ServiceDataUnit) from upper strata, or sends SDU to upper strata; Meanwhile, a RLC entity is responsible for sending protocol Data Unit (PDU, PacketDataUnit) on the RLC entity of its peers include both, or receives the PDU from peers include both RLC entity.
As shown in Figure 1, radio network controller (RNC, RadioNetworkController) signaling in high-rise as rrc layer have signaling to need transmission time, a RLC data sending request message (showing in figure for RLC_AM_DATA_REQ message) can be sent to RLC entity, in this message, carry SDU and various parameter.After RLC entity receives RLC_AM_DATA_REQ message, according to the parameter of carrying in this message, to SDU process wherein, SDU is divided into the segmentation of fixed size, each segmentation is PDU, and each PDU has a sequence number, identifies the order that message sends, can regard as and there is a PDU transmission buffer queue in RLC entity, sequence number determines PDU order in the queue.PDU is sent to terminal by air interface according to the time sequencing of the SDU received by RLC entity.There is the rlc layer corresponding to RNC and rrc layer in terminal, carries out the restructuring of conjunction section, signaling data bag is submitted to the rrc layer of terminal after the RLC entity of terminal receives message.The drawback of this mode is that to have a large amount of MC message medium to be sent at the transmit queue of RLC entity, if the message at this moment having important needs to send in time is come, can not get sending timely, thus the quality of impact communication, even cause call drop.
In order to solve the problem, embodiments provide a kind of message method, as shown in Figure 2, method can comprise the steps: the flow process of the method
S101, RLC entity receives the SDU that RRC entity is sent;
S102, described RLC entity, to described SDU process, obtain the PDU corresponding with described SDU;
S103, described RLC entity, according to the priority of described SDU, send the PDU that described SDU is corresponding.
In the embodiment of the present invention, RLC entity sends according to the priority of message, instead of the order completely sending SDU according to high level sends, the important messages that priority treatment requirement of real-time is high, solve because of RBReconfig message, RBSetup message, RBRelease message etc. send not in time and cause terminal can not carry out the problem that switching adjusts or business foundation is failed in time, thus for the high important messages of these requirement of real-times, improve the promptness that it sends, improve transmission service quality when signaling is concurrent in RLC entity, improve Consumer's Experience.
Preferably, the priority of SDU can be indicated by priority indication information.Correspondingly, in step S101, as previously mentioned, when rrc layer has signaling to need to transmit, send a RLC data sending request message (showing in Fig. 1 for RLC_AM_DATA_REQ message) can to RLC entity.In the embodiment of the present invention, this priority indication information can be added within the message, thus make RLC entity according to the priority of SDU, send the PDU that this SDU is corresponding.
Specifically, RLC data sending request message contains SDU, also defines the parameter that message needs to comprise, as type of message, message-length, radio bearer identification, UE-ID etc. simultaneously.In the embodiment of the present invention, RRC entity adds the priority indication information of SDU in RLC_AM_DATA_Req message, make RLC entity can judge the priority of message according to this priority indication information, different disposal is carried out to message, first process high-priority message, reprocessing low priority message, reaches the object insured telecommunication service quality.
Wherein, the priority of SDU can comprise two-stage, and such as high priority and low priority also can be divided into multiple rank.
Correspondingly, in step s 103, if RLC entity determines that described SDU is high priority SDU, then PDU corresponding for this high priority SDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue to delete from described PDU transmission buffer queue, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send, thus by being jumped the queue in transmission buffer queue by the PDU of high priority SDU, achieve the PDU that preferential transmission high priority SDU is corresponding.
Specify in existing protocol, each PDU SDU being carried out to process formation is provided with sequence number, identifies the order that this PDU sends, and after forming PDU, this sequence number can not change, and RLC entity can send PDU according to sequence number.In order to adapt to this agreement, in the embodiment of the present invention, can leave out sending the PDU that in buffer queue, low priority SDU is corresponding, like this, the PDU that the high priority SDU be currently received is corresponding can come the tail of the queue that PDU sends buffer queue, namely, come after the PDU corresponding to SDU that is not sent completely, thus after the PDU corresponding to the described SDU be not sent completely all is sent completely, the PDU corresponding to SDU of this high priority can be sent, reach the preferential object sent.
In addition, only the PDU deleted corresponding to low priority SDU can also take into account the situation that simultaneously there are multiple high priority SDU.Specifically, if there is the PDU that high priority SDU is corresponding in queue, the PDU then retaining this high priority SDU corresponding does not delete, and all PDU deleted after PDU corresponding to this high priority SDU, then the PDU corresponding to the high priority SDU be currently received is come the tail of the queue that PDU sends buffer queue.
Due in above-mentioned steps S103, PDU corresponding for low priority SDU is sent buffer queue from PDU and deletes, consider that these PDU still need to send, therefore, preferably, after being placed on by PDU corresponding to high priority SDU in PDU transmission buffer queue, also can obtain corresponding PDU to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
In concrete enforcement, although PDU is deleted, the SDU that PDU is corresponding is still buffered in SDU buffer queue, and in described SDU buffer queue, the SDU of buffer memory is the SDU of also not confirmed reception.RLC entity sends after SDU, when receive that recipient returns be used for representing the confirmation successfully receiving this SDU after, this SDU is deleted from this SDU buffer queue.In the embodiment of the present invention, treat that PDU that high priority SDU is corresponding is placed on after PDU sends the tail of the queue of buffer queue, for PDU deleted before, again from SDU buffer queue, extract corresponding SDU by time of reception order and carry out segment processing again, obtain corresponding PDU, now, these PDU will obtain sequence number again, and these PDU will be placed on the tail of the queue that PDU sends buffer queue.
Further, if RLC entity determines that described SDU is low priority, then in step s 103, PDU corresponding for this low priority SDU is placed in described PDU transmission buffer queue and sends by RLC entity.Specific implementation can see existing implementation.
In the embodiment of the present invention, end side receive PDU after processing mode identical with prior art, repeat no more.
In order to more clearly understand the present invention, with instantiation, above-mentioned flow process is described in detail below.Flow process described by this instantiation as shown in Figure 3, can comprise:
S201, RRC entity increases priority indication information in RLC_AM_DATA_Req message.Can increase a field in RLC_AM_DATA_Req message, the value of this field is used for the priority of identification message.Such as this field is 1 bit length, represents that the SDU carried in this RLC_AM_DATA_Req message is high priority SDU when value is 1, represents that the SDU carried in this RLC_AM_DATA_Req message is low priority SDU when value is 0.
S202, RRC entity sends the RLC_AM_DATA_Req message having added priority indication information to RLC entity.
According to the priority indication information in the RLC_AM_DATA_Req message received, S203, RLC entity judges that the SDU carried in this message is high priority or low priority.If SDU is low priority, then perform step S204; If SDU is high priority, then perform step S205.
S204, SDU is carried out segment processing, form multiple PDU and be placed on the tail of the queue that PDU sends buffer queue, the sequence number of PDU continues after last PDU in current queue.Perform step S208 afterwards.
S205, PDU sent the PDU corresponding to low priority SDU do not sent in buffer queue and send buffer queue from described PDU and delete.Specifically, find current PDU to send the PDU corresponding to first low priority SDU do not sent in buffer queue, this PDU and PDU afterwards thereof is all deleted.
Usually, rlc layer is configured with two buffer queues, and one is SDU buffer queue, and one is that PDU sends buffer queue.Wherein, SDU buffer queue is used for the SDU that sends from RRC entity of buffer memory, and when receive that recipient sends for represent successfully receive SDU confirmation after, the SDU be successfully received is deleted from this SDU buffer queue.In the present embodiment, after the RLC entity PDU sent by PDU in buffer queue deletes, the low priority SDU corresponding to the PDU of deletion is still in SDU buffer queue.
S206, current high priority SDU is carried out the process such as segmentation, form PDU, these PDU are placed on the tail of the queue that PDU sends buffer queue.The sequence number of the PDU formed continues after PDU sends the sequence number of last PDU not deleted in buffer queue.
S207, low priority SDU corresponding for the PDU of deletion is re-started segment processing, the PDU of formation is placed in the tail of the queue that PDU sends buffer queue.The sequence number of these PDU continues after PDU sends the PDU in buffer queue corresponding to high priority SDU.
Give a concrete illustration, RLC entity receives RLC_AM_DATA_Req message, and the SDU first judged in this message according to priority indication information is high priority or low priority.For ease of describing, representing that sequence number is the SDU of n with SDUn below, representing that sequence number is the PDU of m with PDUm.
If this priority is designated as 0, determine that the current SDU5 received is low priority.This SDU is carried out the process such as segmentation according to the parameter in message.Such as, current PDU sends in buffer memory has 12 PDU to wait for, PDU is numbered PDU0, PDU1 respectively ... PDU11, wherein, PDU0 to PDU2 is that SDU1 segmentation obtains, PDU3 to PDU5 is that SDU2 segmentation obtains, and PDU6 to PDU8 is that SDU3 segmentation obtains, and PDU9 to PDU11 is that SDU4 segmentation obtains.The current SDU5 received is carried out segment processing, obtains PDU12, PDU13, PDU14, these 3 PDU being placed on PDU, to send the tail of the queue etc. of buffer queue to be sent.
If this priority is designated as 1, determine that the current SDU5 received is high priority.PDU sends current cache in buffer queue PDU1 to PDU11, and wherein, SDU1 segmentation obtains PDU0 to PDU2, and PDU0 is sent out, and PDU3 to PDU11 is the same with the corresponding relation of SDU.SDU1 to SDU4 is low priority SDU.Because PDU0 that SDU1 is corresponding has been sent out and all the other PDU corresponding to SDU1 are not also sent completely, therefore PDU corresponding for SDU1 being still retained in PDU sends in buffer queue, PDU corresponding for other SDU (SDU2 to SDU4) is sent buffer queue from PDU and deletes, namely PDU3 to PDU11 is deleted, and the SDU5 be currently received is carried out segment processing, obtain PDU3 to PDU5, and the current PDU3 to PDU5 obtained is put into the tail of the queue that PDU sends buffer queue.Respectively segment processing is carried out to SDU2 to SDU4 again, the PDU obtained is put into the tail of the queue that PDU sends buffer queue.
Another kind of situation, if PDU sends current cache in buffer queue PDU2 to PDU11, wherein, SDU1 segmentation obtains PDU0 to PDU2, PDU0 and PDU1 is sent out, and PDU3 to PDU11 is the same with the corresponding relation of SDU.SDU2 is high priority SDU, and its segmentation obtains SDU3 to SDU5, and SDU1, SDU3 and SDU4 are low priority SDU.Because PDU0 and PDU1 that SDU1 is corresponding has been sent out and PDU2 corresponding to SDU1 is not also sent completely, therefore PDU2 corresponding for SDU1 is still retained in PDU and has sent in buffer queue.In addition, SDU2 is high priority SDU, therefore PDU3 to PDU5 corresponding for SDU2 is also retained in PDU and sends in buffer queue, is sent buffer queue by PDU corresponding for SDU3 and SDU4 and deletes, namely delete PDU6 to PDU11 from PDU.The SDU5 be currently received is carried out segment processing, obtains PDU6 to PDU8, and the current PDU6 to PDU8 obtained is put into the tail of the queue that PDU sends buffer queue.Respectively segment processing is carried out to SDU3 and SDU4 again, the PDU obtained is put into the tail of the queue that PDU sends buffer queue.
S208, to send the mechanism of buffer queue according to PDU and send PDU in this queue.Usually, it is First Input First Output that PDU sends buffer queue, and the PDU in this queue is sent out according to the sequencing entering this queue.
In the present embodiment, end side receive PDU after processing mode identical with prior art, repeat no more.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of message dispensing device, as shown in Figure 4, comprising: RRC entity and RLC entity;
Described RRC entity, for sending to described RLC entity by service data unit SDU;
Described RLC entity, for receiving the described SDU that described RRC entity is sent; To described SDU process, obtain the protocol Data Unit PDU corresponding with described SDU; According to the priority of described SDU, send the PDU that described SDU is corresponding.
Preferably, described RLC entity comprises:
Receiver module, for receiving the RLC data sending request message that described RRC entity is sent;
Judge module, for determining the priority of described SDU, the priority of a SDU is high priority or low priority;
Sending module, if be high priority SDU for described SDU, then described PDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue to send buffer queue from described PDU and delete, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send.
Preferably, the priority indication information of described SDU and described SDU is carried in described RLC data sending request message.
Preferably, described sending module also for:
Corresponding PDU is obtained to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
Preferably, described sending module also for:
If described SDU is low priority, then PDU corresponding for described SDU is placed in described PDU transmission buffer queue and sends.
In a word, the embodiment of the present invention is according to the priority tag of the SDU received, and preferential transmission high priority SDU, if there is a more than high priority SDU, then sends these high priorities SDU by the time sequencing received successively.This method ensure that the switching adjustment of terminal and the instantaneity of business foundation, solve the problem of communication call drop and poor user experience.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a message method, is characterized in that, comprising:
Wireless spread-spectrum technology RLC entity receives the service data unit SDU that radio resource control RRC entity is sent;
Described RLC entity, to described SDU process, obtains the protocol Data Unit PDU corresponding with described SDU;
Described RLC entity, according to the priority of described SDU, sends the PDU that described SDU is corresponding.
2. the method for claim 1, is characterized in that, described RLC entity receives the SDU that RRC entity is sent, and comprising:
Described RLC entity receives the RLC data sending request message that described RRC entity is sent, and carries the priority indication information of described SDU and described SDU in described RLC data sending request message.
3. the method for claim 1, is characterized in that, described RLC entity, according to the priority of described SDU, sends the PDU that described SDU is corresponding, comprising:
Described RLC entity determines the priority of described SDU, and the priority of a SDU is high priority or low priority;
If described SDU is high priority SDU, then described PDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue and sends buffer queue from described PDU and delete by described RLC entity, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send.
4. method as claimed in claim 3, is characterized in that, is describedly placed on by PDU corresponding to described high priority SDU after described PDU sends in buffer queue, also comprises:
Corresponding PDU is obtained to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
5. method as claimed in claim 3, is characterized in that, also comprise:
If described SDU is low priority, then PDU corresponding for described SDU is placed in described PDU transmission buffer queue and sends.
6. a message dispensing device, is characterized in that, comprising: RRC entity and RLC entity;
Described RRC entity, for sending to described RLC entity by service data unit SDU;
Described RLC entity, for receiving the described SDU that described RRC entity is sent, to described SDU process, obtaining the protocol Data Unit PDU corresponding with described SDU, according to the priority of described SDU, sending the PDU that described SDU is corresponding.
7. device as claimed in claim 6, it is characterized in that, described RLC entity comprises:
Receiver module, for receiving the RLC data sending request message that described RRC entity is sent;
Judge module, for determining the priority of described SDU, the priority of a SDU is high priority or low priority;
Sending module, if be high priority SDU for described SDU, then described PDU is sent the PDU corresponding to low priority SDU be not sent completely in buffer queue to send buffer queue from described PDU and delete, and the PDU corresponding to described high priority SDU is placed on described PDU and sends in buffer queue and send.
8. device as claimed in claims 6 or 7, is characterized in that, carry the priority indication information of described SDU and described SDU in described RLC data sending request message.
9. device as claimed in claim 7, is characterized in that, described sending module also for:
Corresponding PDU is obtained to the low priority SDU process corresponding to deleted PDU, after the PDU obtained being placed on the PDU corresponding to described high priority SDU in described PDU transmission buffer queue.
10. device as claimed in claim 7, is characterized in that, described sending module also for:
If described SDU is low priority, then PDU corresponding for described SDU is placed in described PDU transmission buffer queue and sends.
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| WO2019019770A1 (en) * | 2017-07-25 | 2019-01-31 | 西安中兴新软件有限责任公司 | Initial access method and apparatus of wireless terminal |
| CN109688179A (en) * | 2017-10-19 | 2019-04-26 | 华为技术有限公司 | Communication means and communication device |
| CN113630812A (en) * | 2021-08-04 | 2021-11-09 | 重庆重邮汇测电子技术研究院有限公司 | Method for processing RLC data packet in multi-core mode |
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