CN110167146A - A kind of processing method and communication equipment of SDU - Google Patents
A kind of processing method and communication equipment of SDU Download PDFInfo
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- CN110167146A CN110167146A CN201810145858.5A CN201810145858A CN110167146A CN 110167146 A CN110167146 A CN 110167146A CN 201810145858 A CN201810145858 A CN 201810145858A CN 110167146 A CN110167146 A CN 110167146A
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- sdu
- rlc layer
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- instruction
- cached
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Abstract
The embodiment of the present invention provides the processing method and communication equipment of a kind of SDU, this method comprises: judging whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；If SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or type of service, the SDU that the rlc layer is cached is deleted, so as to realize the spatial cache for saving rlc layer.
Description
Technical field
The present invention relates to the processing methods and communication equipment of field of communication technology more particularly to a kind of SDU.
Background technique
Radio link layer control protocol (Radio Link Control, RLC) layer may include three in communication system at present
Kind operating mode, respectively transparent mode (Transparent Mode, TM), Unacknowledged Mode (Unacknowledged
Mode, UM) and affirmation mode (Acknowledged Mode, AM), wherein there are different processing, examples for different working modes
Such as: for the SDU of TM, SDU not being dealt in rlc layer, is transmitted directly to bottom；For the SDU of UM, it is true receiving end is not needed
Recognize, and does not retransmit；And to the SDU of AM, need receiving end to confirm, and for the SDU that receiving end is not received by, transmitting terminal needs
Triggering retransmits.However, either which operating mode, the caching (buffer) of rlc layer can cache SDU, lead to rlc layer in this way
Caching occupy it is excessive.
Summary of the invention
The embodiment of the present invention provides the processing method and communication equipment of a kind of SDU, excessive with the caching occupancy for solving rlc layer
The problem of.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows: a kind of processing method of SDU, is applied to communication
Equipment, comprising:
Judge whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
It, will be described according to configuration instruction or type of service if SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across
The SDU of rlc layer caching is deleted.
In a first aspect, being applied to communication equipment the embodiment of the invention also provides the processing method of SDU a kind of, comprising:
Judge whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
It, will be described according to configuration instruction or type of service if SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across
The SDU of rlc layer caching is deleted.
Second aspect, the embodiment of the invention provides a kind of communication equipments, comprising:
Judgment module, for judging whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
Removing module, if being sent to bottom for SDU or eating dishes without rice or wine to be transmitted across, according to configuration instruction or business
Type, the SDU that the rlc layer is cached are deleted.
The third aspect, the embodiment of the invention provides a kind of communication equipments, comprising: memory, processor and is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
Realize the step in the processing method of SDU provided in an embodiment of the present invention.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, which is characterized in that the calculating
Computer program is stored on machine readable storage medium storing program for executing, the computer program realizes the embodiment of the present invention when being executed by processor
The step of processing method of the SDU of offer.
In embodiments of the present invention, by judge the SDU of radio link layer control protocol rlc layer whether be sent to bottom or
Eating dishes without rice or wine to be transmitted across；If SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or service class
Type, the SDU that the rlc layer is cached are deleted, so as to realize the spatial cache for saving rlc layer.
Detailed description of the invention
Fig. 1 is a kind of applicable structure chart of network system of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the processing method of SDU provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the processing method of another kind SDU provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of communication equipment provided in an embodiment of the present invention；
Fig. 5 is the structure chart of another communication equipment provided in an embodiment of the present invention；
Fig. 6 is the structure chart of another communication equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is a kind of applicable structure chart of network system of the embodiment of the present invention referring to Fig. 1, Fig. 1, as shown in Figure 1, including
User terminal 11 and base station 12, wherein user terminal 11 can be UE (User Equipment), such as: it can be mobile phone, put down
Plate computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant
(personal digital assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID)
Or the terminal side equipments such as wearable device (Wearable Device), it should be noted that in embodiments of the present invention not
Limit the concrete type of user terminal 11.Above-mentioned base station 12 can be the base station (such as: gNB, 5G NR NB) in 5G network, or
The above-mentioned base station 12 of person can be the base station (such as: eNB, eLTE NB) in 4G network.It should be noted that implementing in the present invention
The concrete type of base station 12 is not limited in example.
It should be noted that communication equipment can be user terminal or base station etc. in the embodiment of the present invention,
Fig. 2 is referred to, Fig. 2 is a kind of flow chart of the processing method of SDU provided in an embodiment of the present invention, as shown in Fig. 2,
The following steps are included:
Step 201 judges whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across.
In addition, the SDU (may also be referred to as RLC SDU) of above-mentioned rlc layer can be appointing for rlc layer in the embodiment of the present invention
What SDU, and the SDU of the rlc layer can be the SDU of SDU or unsegmented including multiple segmentations.
The SDU of above-mentioned rlc layer is sent to bottom and can be, and the SDU of rlc layer is sent to bottom from rlc layer；The rlc layer
SDU can be eating dishes without rice or wine to be transmitted across, the SDU of rlc layer, which has been sent to from communication equipment, to eat dishes without rice or wine, such as: communication equipment
Bottom the SDU has been sent, or be that the SDU has been sent by the radio frequency unit of communication equipment.
In addition, above-mentioned bottom can be the protocol layer under rlc layer, and such as: media access control (Media Access
Control, MAC) layer.
If step 202, SDU are sent to bottom or are eating dishes without rice or wine to be transmitted across, according to configuration instruction or type of service,
The SDU that the rlc layer is cached is deleted.
Wherein, above-mentioned to can be the SDU deletion that the rlc layer caches according to configuration instruction, if above-mentioned communication is set
It is standby to be configured with above-mentioned configuration instruction, then in SDU bottom is sent to or in the case where eating dishes without rice or wine to be transmitted across, by the rlc layer
The SDU of caching is deleted.Wherein, above-mentioned configuration instruction can be the configuration that can indicate that above-mentioned communication equipment random ordering is submitted and refer to
Show, such as: indicate the Packet Data Convergence Protocol (Packet Data Convergence Protocol, PDCP) of communication equipment
Layer can the configuration instruction submitted of sequence or above-mentioned configuration instruction can be instruction communication equipment in the case where step 202,
The instruction etc. that above-mentioned SDU is deleted can be deleted.
And it is above-mentioned according to type of service, the SDU deletion that the rlc layer caches can be, be in the business of the SDU
In the case where particular traffic type, if being sent to bottom in SDU or eating dishes without rice or wine to be transmitted across, the rlc layer can be delayed
The SDU deposited is deleted.Such as: the type of service of low time delay, perhaps the type of service different to quality of service requirement or association
Type of service predetermined etc. in view.
In addition, SDU can be the SDU in the SDU or step 201 of unsegmented and can be one of SDU in step 201
Or multiple segmentations.Bottom is sent to if it is one or more segmentation or is eating dishes without rice or wine to be transmitted across, and step 201 can be
The whole segmentations for deleting the SDU of rlc layer caching either delete corresponding segment and (only delete and be sent to bottom or in sky
The segmentation being transmitted across in mouthful).
It may be implemented through the above steps, be sent to bottom in the SDU of rlc layer or after eating dishes without rice or wine to be transmitted across, it can be with
The SDU of the rlc layer that the rlc layer is cached is deleted, to save the spatial cache of rlc layer, and then guarantee rlc layer other
Data are normally submitted.
In addition, due in the embodiment of the present invention, bottom is sent in SDU or after eating dishes without rice or wine to be transmitted across, it can be by institute
The SDU for stating rlc layer caching is deleted, and is achieved in the case where network condition is bad, by deleting rlc layer storage
SDU can be avoided the congestion of rlc layer caching, to improve the process performance of rlc layer.
It to bottom or is not eating dishes without rice or wine to be transmitted across it should be noted that if SDU is not sent, then can terminate process, alternatively, needle
Above-mentioned process is executed to next SDU, this is not construed as limiting, wherein attached drawing is for terminating process.
The above method can be applied to communication equipment, which can be user terminal or base station etc., to this
Inventive embodiments are not construed as limiting, and the above method can be applied to 5G system, but be not construed as limiting to this, as long as can be realized basic
Identical function is suitable for other communication systems, such as: 4G 6G system or other application system information block can be applied
Communication system etc..
In embodiments of the present invention, by judge the SDU of radio link layer control protocol rlc layer whether be sent to bottom or
Eating dishes without rice or wine to be transmitted across；If SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or service class
Type, the SDU that the rlc layer is cached are deleted, so as to realize the spatial cache for saving rlc layer.
Fig. 3 is referred to, Fig. 3 is the flow chart of the processing method of another kind SDU provided in an embodiment of the present invention, such as Fig. 3 institute
Show, comprising the following steps:
Step 301 judges whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
If step 302, SDU are sent to bottom or are eating dishes without rice or wine to be transmitted across, according to configuration instruction or type of service,
The SDU that the rlc layer is cached is deleted.
As an alternative embodiment, the configuration instruction includes:
The configuration instruction of the communication equipment, the configuration instruction of the radio bearer of the communication equipment, business datum adaptation
Agreement (Service Data Adaptation Protocol, SDAP) configuration instruction of layer, PDCP layers of configuration instruction, RLC
The configuration instruction of layer or the configuration instruction of media access control (Media Access Control, MAC) layer.
Wherein, the configuration instruction of above-mentioned communication equipment can be, for the multiple or all wireless of above-mentioned communication equipment
The configuration instruction of carrying, and the configuration instruction of the radio bearer of above-mentioned communication equipment can be, for the configuration of the radio bearer
Instruction.
In the embodiment, it may be implemented to configure above-mentioned configuration instruction for the different level of communication equipment, so as to
The flexibility of processing SDU is improved, and the complexity of communication equipment can also be reduced, such as: above-mentioned configuration instruction is that communication is set
Standby configuration instruction, so there is no need to match for the configuration of the different agreement layers of each radio bearer or each radio bearer is above-mentioned
Set instruction.
As an alternative embodiment, above-mentioned configuration instruction includes:
Timer, the random ordering of reordering submit instruction or delete instruction；
Wherein, in the case where the value of the timer that reorders is 0 or is less than or equal to specific threshold, by institute
The SDU for stating rlc layer caching is deleted；Or
In the case where the configuration instruction includes that the random ordering submits instruction or deletion instruction, by the RLC
The SDU of layer caching is deleted, and the deletion instruction, which is used to indicate, to be sent to bottom in the SDU or eating dishes without rice or wine to be transmitted across
In the case where, the SDU that the rlc layer is cached is deleted.
Wherein, the above-mentioned timer that reorders can be for above-mentioned communication equipment or hold for a certain of communication equipment
It carries, or for the timer that reorders of a certain protocol layer, such as: it is that PDCP reorders timer (T reordering
timer).And above-mentioned specific threshold can be it is predetermined in agreement, perhaps can be network configuration or communication equipment
It is preset etc..
And above-mentioned random ordering submit instruction (out Of Order Delivery) can be used to indicate communication equipment can be random
Sequence is submitted.
In the embodiment, since the value of the above-mentioned timer that reorders is 0, or it is equal to above-mentioned specific threshold, Huo Zheshang
Stating configuration instruction includes that above-mentioned random ordering submits instruction or above-mentioned configuration instruction includes above-mentioned deletion instruction, so that step 302 can
To delete above-mentioned SDU, and then improve the flexibility of processing SDU.
In addition, due to the transmission of data in practical applications be carried out between multiple equipment, such as: above-mentioned communication equipment is made
For above-mentioned SDU transmitting terminal, receiving end of the other equipment as above-mentioned SDU, then, above-mentioned communication device configured has above-mentioned configuration to refer to
Show, then receiving end is similarly configured with the configuration instruction, to realize that transmitting terminal and receiving end handle number in the same way
According to.In the case where having above-mentioned configuration instruction to communication device configured, which can be determined by the configuration instruction and be connect
Receiving end also provided the configuration instruction, that is, determine, receiving end can random ordering submit data, such communication equipment is in step
Above-mentioned SDU can be deleted in the case where 302.Because receiving end can random ordering submit, then, in the feelings for being not received by the SDU
Under condition, submitting for other data will not be influenced.Such as: the segmentation 2 of SDU is eating dishes without rice or wine to be transmitted across, and communication equipment is by rlc layer
The segmentation of caching is deleted, then, even if receiving end is not successfully receiving the segmentation, the normal of other segmentations will not be influenced
It submits.
It should be noted that the configuration instruction of the communication equipment of above-mentioned embodiment introduction, communication equipment are wirelessly held
The configuration instruction of load or the configuration instruction of above-mentioned protocal layers may each comprise the above-mentioned timer that reorders, random ordering submits instruction
Or instruction is deleted, and can achieve identical beneficial effect.
As an alternative embodiment, business includes the SDU, the type of service includes at least one of following:
The QCI of the business, quality of service traffic identifier (QoS Flow ID, QFI), minimum latency requirement, access mark
(access identity) and access style (access categories).
Wherein, business here can be business belonging to above-mentioned SDU.
In the embodiment, it may be implemented according to QCI, QFI, minimum latency requirement, access mark and access style to industry
Business is classified, so as to according in business QCI, QFI of SDU, minimum latency requirement, access mark and access style extremely
One item missing determines whether that the SDU for caching rlc layer is deleted, to improve the flexibility of processing SDU.
Optionally, in the embodiment, above-mentioned according to type of service, the SDU that the rlc layer is cached is deleted, packet
It includes:
If the QCI is default QCI, the SDU that the rlc layer is cached is deleted；Or
If the QFI is default QFI, the SDU that the rlc layer is cached is deleted；Or
If the minimum latency requirement is less than or equal to default delay threshold, the SDU that the rlc layer is cached
It deletes；Or
If the access is identified as default access mark, the SDU that the rlc layer is cached is deleted；Or
If the access style is default access style value, the SDU that the rlc layer is cached is deleted.
Wherein, above-mentioned default QCI, default QFI, default delay threshold, default access mark and default access style value are equal
Can be perhaps network configuration predetermined in agreement or communication equipment it is preset etc., this is not construed as limiting.
In addition, above-mentioned default QCI can be any QCI in default QCI set in the embodiment, and such as: above-mentioned communication equipment is pre-
First be set as numerical value 1 QCI1, for numerical value 2 QCI2 and be numerical value 3 QCI3, in this way when the QCI of above-mentioned business be this 3
When any of QCI, so that it may which the SDU for caching the rlc layer is deleted.Similarly, above-mentioned default QFI, default time delay threshold
Value, default access mark and default access style value are also possible to any of pre-set corresponding set, do not make herein
It repeats.
In the embodiment, may be implemented under the conditions of any of the above-described, the SDU that the rlc layer is cached is deleted, from
And improve the flexibility of processing SDU.
As an alternative embodiment, the type of service includes the RLC entity of business mapping, it is above-mentioned according to business
Type, the SDU that the rlc layer is cached are deleted, comprising:
According to the RLC entity that business maps, the SDU of RLC entity caching is deleted, wherein the business packet
Include the SDU.
In the embodiment, it can classify according to the RLC entity that business maps to business, to be mapped according to business
RLC entity, then by the RLC entity caching the SDU delete.Wherein, the above-mentioned RLC entity mapped according to business, will
The SDU deletion of the RLC entity caching can be, if the RLC entity of above-mentioned business mapping is for specific RLC entity or in advance
First specified RLC entity then deletes the SDU of RLC entity caching.Such as: above-mentioned RLC entity can be a certain spy
Determine the RLC entity of the radio bearer of type of service, such as: the RLC entity of the radio bearer of business of the QCI equal to 2, alternatively, most
Small latency requirement is less than or equal to the RLC entity of radio bearer etc. of default delay threshold business.And it is above-mentioned predesignated
RLC entity can be in agreement pre-define or network configuration etc. preassigned RLC entity.
In the embodiment, it may be implemented to carry out SDU delete operation according to the RLC entity that business maps, without
Other instructions are configured, to reduce the complexity of communication equipment.
As an alternative embodiment, the transmission mode of the SDU is TM, UM or AM.
In the embodiment, it may be implemented incite somebody to action according to configuration instruction or type of service in TM, UM or AM
The SDU of the rlc layer caching is deleted, so as to further save rlc layer spatial cache.
As an alternative embodiment, being referred to if SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across according to configuration
Show or type of service, the SDU that the rlc layer is cached deleted, comprising:
If at least one segmentation of the SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or
Person's type of service, by the rlc layer cache described at least one segmentation delete.
It may be implemented by the step, be sent to bottom in one or more segmentation or eating dishes without rice or wine to be transmitted across
Afterwards, it can will have been sent to bottom or be deleted in the segmentation for eating dishes without rice or wine to be transmitted across, achieve the effect that save spatial cache,
And then guarantee normally submitting for other data of rlc layer.Such as: a SDU includes segmentation a, segmentation b and segmentation c, and above-mentioned steps can
It to be sent to bottom in segmentation a or eat dishes without rice or wine to be transmitted across, the segmentation a that the rlc layer is cached, or can be, dividing
Section a and segmentation b are sent to bottom or are eating dishes without rice or wine to be transmitted across, the segmentation a that the rlc layer is cached and segmentation b.
In the embodiment, it may be implemented to abandon the RLC in the instruction for not receiving high-rise transmission through the above steps
It is executed in the case where the instruction information of the SDU of layer, deletes and be already sent to bottom in rlc layer caching or sent out in eating dishes without rice or wine
The segmentation sent achievees the effect that save spatial cache, and then guarantees normally submitting for other data of rlc layer.In addition, due to can be with
It does not need high-rise send and indicates information, so as to save the transmission of inside communication equipment, to reduce the power consumption of communication equipment.
It is above-mentioned according to configuration instruction or type of service it should be noted that in the embodiment, the rlc layer is delayed
At least one the described segmentation deposited is deleted, may refer to it is described above according to configuration instruction or type of service, by the RLC
The embodiment that the SDU of layer caching is deleted, does not repeat, and can achieve identical beneficial effect herein.
As an alternative embodiment, being referred to if SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across according to configuration
Show or type of service, the SDU that the rlc layer is cached deleted, comprising:
If the rlc layer receives the instruction information that the SDU is abandoned in the high-rise instruction sent and the SDU extremely
A few segmentation is sent to bottom or is eating dishes without rice or wine to be transmitted across, then according to configuration instruction or type of service, by the rlc layer
Whole segmentations of the SDU of caching are deleted.
It should be noted that in the embodiment, for receiving above-mentioned instruction information, and judge rlc layer SDU whether
It is sent to bottom or is not construed as limiting in the execution sequence for eating dishes without rice or wine to be transmitted across, that is, judge whether to be sent to bottom or
Eating dishes without rice or wine to be transmitted across and receive high level, to abandon the no strict time of instruction successive.Such as: above-mentioned instruction information can received
In the case where, judge whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across, or be also possible to first judge RLC
Whether the SDU of layer is sent to bottom or is eating dishes without rice or wine to be transmitted across, and later, abandons in the instruction that rlc layer receives high-rise transmission
SDU is carried out in the case where the instruction information of the SDU of the rlc layer to abandon.
Wherein, above-mentioned high level can be the protocol layer before RLC, and above-mentioned instruction information can be high-rise instruction
Rlc layer abandons the instruction information of the SDU of above-mentioned rlc layer.Such as: the case where due to network it is different or communication equipment itself
The reasons such as condition, high level needs to indicate that rlc layer abandons the SDU of the rlc layer, and the instruction information sent.
It may be implemented through the above steps, receiving the instruction information of the high-rise SDU for abandoning the rlc layer sent
In the case of, then delete operation is carried out, since delete operation is that the instruction information sent based on high level is deleted, so as to mention
Height deletes the flexibility of the SDU of rlc layer caching.Because high-rise function it is more powerful and obtain information it is more, such phase
It is more easier to make deletion decision than rlc layer.In addition, since as long as at least one segmentation of SDU is sent to bottom or exists
It eats dishes without rice or wine to be transmitted across, then can delete the whole segmentations for the SDU that the rlc layer caches, so as to improve treatment effeciency,
And communication equipment power consumption is saved, because not needing to be directed to each segmentation and be performed both by once to judge process.
Optionally.The method also includes:
Step 303 is sent to receiving end for notifying the abandoned notification message of the SDU.
It in the embodiment, if may be implemented to abandon the SDU of above-mentioned rlc layer, sends a notification message to receiving end, with logical
Know that the SDU of the receiving end rlc layer is abandoned by transmitting terminal, so that receiving end can cancel the correlation of the SDU for the rlc layer
Operation, does not receive the SDU to avoid receiving end and waits always, and then saves the power consumption of receiving end, and improves receiving end
Data processing performance.
In the present embodiment, the embodiment of plurality of optional is increased on the basis of embodiment shown in Fig. 2, and can be with
It realizes the spatial cache for saving rlc layer, and may also reach up and improve the flexibility for the SDU for deleting rlc layer caching, improves and delete
The efficiency of SDU, and the power consumption of receiving end is saved, improve the beneficial effects such as the data processing performance of receiving end.
Fig. 4 is referred to, Fig. 4 is a kind of structural schematic diagram of communication equipment provided in an embodiment of the present invention, as shown in figure 4,
Communication equipment 400 includes:
Judgment module 401, for judging whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
Removing module 402, if being sent to bottom for SDU or eating dishes without rice or wine to be transmitted across, according to configuration instruction or
Type of service, the SDU that the rlc layer is cached are deleted.
Optionally, the configuration instruction includes:
The configuration instruction of the communication equipment, the configuration instruction of the radio bearer of the communication equipment, SDAP layers of configuration
The configuration instruction of instruction, PDCP layers of configuration instruction, the configuration instruction of rlc layer or MAC layer.
Optionally, the configuration instruction includes:
Timer, the random ordering of reordering submit instruction or delete instruction；
Wherein, in the case where the value of the timer that reorders is 0 or is less than or equal to specific threshold, by institute
The SDU for stating rlc layer caching is deleted；Or
In the case where the configuration instruction includes that the random ordering submits instruction or deletion instruction, by the RLC
The SDU of layer caching is deleted, and the deletion instruction, which is used to indicate, to be sent to bottom in the SDU or eating dishes without rice or wine to be transmitted across
In the case where, the SDU that the rlc layer is cached is deleted.
Optionally, business includes the SDU, and the type of service includes at least one of following:
QCI, QFI of the business, minimum latency requirement, access mark and access style.
Optionally, described according to type of service, the SDU that the rlc layer is cached is deleted, comprising:
If the QCI is default QCI, the SDU that the rlc layer is cached is deleted；Or
If the QFI is default QFI, the SDU that the rlc layer is cached is deleted；Or
If the minimum latency requirement is less than or equal to default delay threshold, the SDU that the rlc layer is cached
It deletes；Or
If the access is identified as default access mark, the SDU that the rlc layer is cached is deleted；Or
If the access style is default access style value, the SDU that the rlc layer is cached is deleted.
Optionally, the type of service includes the RLC entity of business mapping, if the removing module is sent to for SDU
Bottom is eating dishes without rice or wine to be transmitted across, and according to the RLC entity that business maps, the SDU of RLC entity caching is deleted,
Wherein, the business includes the SDU.
Optionally, the transmission mode of the SDU is TM, UM or AM.
Optionally, if at least one segmentation of the removing module for the SDU is sent to bottom or is eating dishes without rice or wine
Be transmitted across, then according to configuration instruction or type of service, by the rlc layer cache described at least one segmentation delete.
Optionally, if the removing module abandons the finger of the SDU for the instruction that the rlc layer receives high-rise transmission
Show that at least one segmentation of information and the SDU are sent to bottom or are eating dishes without rice or wine to be transmitted across, then according to configuration instruction or
Whole segmentations of person's type of service, the SDU that the rlc layer is cached are deleted.
Optionally, as shown in figure 5, the communication equipment 400 further include:
Sending module 403, for sending to receiving end for notifying the abandoned notification message of the SDU.
Communication equipment provided in an embodiment of the present invention can be realized mobile terminal in the embodiment of the method for Fig. 2 to Fig. 3 and realize
Each process, to avoid repeating, which is not described herein again.Communication equipment can save the spatial cache of rlc layer.
A kind of hardware structural diagram of Fig. 6 communication equipment of each embodiment to realize the present invention,
The communication equipment 600 includes but is not limited to: radio frequency unit 601, network module 602, audio output unit 603, defeated
Enter unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, processor
The components such as 610 and power supply 611.It will be understood by those skilled in the art that communication apparatus construction shown in Fig. 6 is not constituted
Restriction to communication equipment, communication equipment may include than illustrating more or fewer components, perhaps combine certain components or
Different component layouts.In embodiments of the present invention, communication equipment include but is not limited to mobile phone, tablet computer, laptop,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 610, for judging whether the SDU of radio link layer control protocol rlc layer is sent to bottom or
Through eating dishes without rice or wine to be transmitted across；
It, will be described according to configuration instruction or type of service if SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across
The SDU of rlc layer caching is deleted.
Optionally, the configuration instruction includes:
The configuration instruction of the communication equipment, the configuration instruction of the radio bearer of the communication equipment, SDAP layers of configuration
The configuration instruction of instruction, PDCP layers of configuration instruction, the configuration instruction of rlc layer or media access control MAC layer.
Optionally, the configuration instruction includes:
Timer, the random ordering of reordering submit instruction or delete instruction；
Wherein, in the case where the value of the timer that reorders is 0 or is less than or equal to specific threshold, by institute
The SDU for stating rlc layer caching is deleted；Or
In the case where the configuration instruction includes that the random ordering submits instruction or deletion instruction, by the RLC
The SDU of layer caching is deleted, and the deletion instruction, which is used to indicate, to be sent to bottom in the SDU or eating dishes without rice or wine to be transmitted across
In the case where, the SDU that the rlc layer is cached is deleted.
Optionally, business includes the SDU, and the type of service includes at least one of following:
QCI, QFI of the business, minimum latency requirement, access mark and access style.
Optionally, what processor 910 executed is described according to type of service, and the SDU that the rlc layer is cached is deleted,
Include:
If the QCI is default QCI, the SDU that the rlc layer is cached is deleted；Or
If the QFI is default QFI, the SDU that the rlc layer is cached is deleted；Or
If the minimum latency requirement is less than or equal to default delay threshold, the SDU that the rlc layer is cached
It deletes；Or
If the access is identified as default access mark, the SDU that the rlc layer is cached is deleted；Or
If the access style is default access style value, the SDU that the rlc layer is cached is deleted.
Optionally, the type of service includes the RLC entity of business mapping, and processor 610 executes described according to business
Type, the SDU that the rlc layer is cached are deleted, comprising:
According to the RLC entity that business maps, the SDU of RLC entity caching is deleted, wherein the business packet
Include the SDU.
Optionally, the transmission mode of the SDU is TM, UM or AM.
Optionally, if the SDU that processor 610 executes is sent to bottom or is eating dishes without rice or wine to be transmitted across, referred to according to configuration
Show or type of service, the SDU that the rlc layer is cached deleted, comprising:
If at least one segmentation of the SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or
Person's type of service, by the rlc layer cache described at least one segmentation delete.
Optionally, if the SDU that processor 610 executes is sent to bottom or is eating dishes without rice or wine to be transmitted across, referred to according to configuration
Show or type of service, the SDU that the rlc layer is cached deleted, comprising:
If the rlc layer receives the instruction information that the SDU is abandoned in the high-rise instruction sent and the SDU extremely
A few segmentation is sent to bottom or is eating dishes without rice or wine to be transmitted across, then according to configuration instruction or type of service, by the rlc layer
Whole segmentations of the SDU of caching are deleted.
Optionally, after whole segmentations of the SDU that the rlc layer is cached are deleted, radio frequency unit 601 is used
In:
It sends to receiving end for notifying the abandoned notification message of the SDU.
Communication equipment can save the spatial cache of rlc layer.
It should be understood that the embodiment of the present invention in, radio frequency unit 601 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 610 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 601 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 601 can also by wireless communication system and network and other set
Standby communication.
Communication equipment provides wireless broadband internet by network module 602 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 603 can be received by radio frequency unit 601 or network module 602 or in memory 609
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 603 can also provide and lead to
Believe the relevant audio output of specific function of the execution of equipment 600 (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 603 includes loudspeaker, buzzer and receiver etc..
Input unit 604 is for receiving audio or video signal.Input unit 604 may include graphics processor
(Graphics Processing Unit, GPU) 6041 and microphone 6042, graphics processor 6041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 606.Through graphics processor 6041, treated that picture frame can be deposited
Storage is sent in memory 609 (or other storage mediums) or via radio frequency unit 601 or network module 602.Mike
Wind 6042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 601 is converted in the case where telephone calling model.
Communication equipment 600 further includes at least one sensor 605, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 6061, and proximity sensor can close when communication equipment 600 is moved in one's ear
Display panel 6061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify communication equipment posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 606 is for showing information input by user or being supplied to the information of user.Display unit 606 can wrap
Display panel 6061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 6061.
User input unit 607 can be used for receiving the number or character information of input, and generate the use with communication equipment
Family setting and the related key signals input of function control.Specifically, user input unit 607 include touch panel 6071 and
Other input equipments 6072.Touch panel 6071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 6071 or in touch panel 6071
Neighbouring operation).Touch panel 6071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 610, receiving area
It manages the order that device 610 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 6071.In addition to touch panel 6071, user input unit 607 can also include other input equipments
6072.Specifically, other input equipments 6072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 6071 can be covered on display panel 6061, when touch panel 6071 is detected at it
On or near touch operation after, send processor 610 to determine the type of touch event, be followed by subsequent processing device 610 according to touching
The type for touching event provides corresponding visual output on display panel 6061.Although in Fig. 6, touch panel 6071 and display
Panel 6061 is the function that outputs and inputs of realizing communication equipment as two independent components, but in some embodiments
In, can be integrated by touch panel 6071 and display panel 6061 and realize the function that outputs and inputs of communication equipment, it is specific this
Place is without limitation.
Interface unit 608 is the interface that external device (ED) is connect with communication equipment 600.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 608 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in communication equipment 600 or can be used in 600 He of communication equipment
Data are transmitted between external device (ED).
Memory 609 can be used for storing software program and various data.Memory 609 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 609 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 610 is the control centre of communication equipment, utilizes each of various interfaces and the entire communication equipment of connection
A part by running or execute the software program and/or module that are stored in memory 609, and calls and is stored in storage
Data in device 609 execute the various functions and processing data of communication equipment, to carry out integral monitoring to communication equipment.Place
Managing device 610 may include one or more processing units；Preferably, processor 610 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 610.
Communication equipment 600 can also include the power supply 611 (such as battery) powered to all parts, it is preferred that power supply 611
Can be logically contiguous by power-supply management system and processor 610, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, communication equipment 600 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of communication equipment, including processor 610, and memory 609 is stored in
On memory 609 and the computer program that can run on the processor 610, the computer program are executed by processor 610
Each process of the processing method embodiment of the above-mentioned SDU of Shi Shixian, and identical technical effect can be reached, to avoid repeating, this
In repeat no more.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each process of the processing method embodiment of above-mentioned SDU, and energy when being executed by processor
Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only
Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation
RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (22)
1. a kind of processing method of service data unit SDU is applied to communication equipment characterized by comprising
Judge whether the SDU of radio link layer control protocol rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
If SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or type of service, by the rlc layer
The SDU of caching is deleted.
2. the method as described in claim 1, which is characterized in that the configuration instruction includes:
The configuration instruction of the communication equipment, the configuration instruction of the radio bearer of the communication equipment, business datum adapting protocol
SDAP layers of configuration instruction, PDCP layers of Packet Data Convergence Protocol of configuration instruction, the configuration instruction of rlc layer or media access
Control the configuration instruction of MAC layer.
3. method according to claim 1 or 2, which is characterized in that the configuration instruction includes:
Timer, the random ordering of reordering submit instruction or delete instruction；
Wherein, in the case where the value of the timer that reorders is 0 or is less than or equal to specific threshold, by the RLC
The SDU of layer caching is deleted；Or
In the case where the configuration instruction includes that the random ordering submits instruction or deletion instruction, the rlc layer is delayed
The SDU deposited is deleted, and the deletion instruction, which is used to indicate, is sent to bottom in the SDU or in the feelings for eating dishes without rice or wine to be transmitted across
Under condition, the SDU that the rlc layer is cached is deleted.
4. the method as described in claim 1, which is characterized in that business includes the SDU, the type of service include such as down toward
One item missing:
The service quality rating mark QCI of the business, quality of service traffic identifier QFI, minimum latency requirement, access are identified and are connect
Enter type.
5. method as claimed in claim 4, which is characterized in that it is described according to type of service, the rlc layer is cached described in
SDU is deleted, comprising:
If the QCI is default QCI, the SDU that the rlc layer is cached is deleted；Or
If the QFI is default QFI, the SDU that the rlc layer is cached is deleted；Or
If the minimum latency requirement is less than or equal to default delay threshold, the SDU that the rlc layer is cached is deleted
It removes；Or
If the access is identified as default access mark, the SDU that the rlc layer is cached is deleted；Or
If the access style is default access style value, the SDU that the rlc layer is cached is deleted.
6. the method as described in claim 1, which is characterized in that the type of service includes the RLC entity of business mapping, described
According to type of service, the SDU that the rlc layer is cached is deleted, comprising:
According to the RLC entity that business maps, the SDU of RLC entity caching is deleted, wherein the business includes institute
State SDU.
7. the method as described in claim 1, which is characterized in that the transmission mode of the SDU is transparent mode TM, non-acknowledgement mould
Formula UM or affirmation mode AM.
8. the method as described in claim 1,2,4,5,6 or 7, which is characterized in that if SDU is sent to bottom or is eating dishes without rice or wine
It is transmitted across, then according to configuration instruction or type of service, the SDU that the rlc layer is cached is deleted, comprising:
If at least one segmentation of the SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or industry
Service type, by the rlc layer cache described at least one segmentation delete.
9. the method as described in claim 1,2,4,5,6 or 7, which is characterized in that if SDU is sent to bottom or is eating dishes without rice or wine
It is transmitted across, then according to configuration instruction or type of service, the SDU that the rlc layer is cached is deleted, comprising:
If the instruction that the rlc layer receives high-rise transmission abandon the SDU instruction information and the SDU at least one
A segmentation is sent to bottom or is eating dishes without rice or wine to be transmitted across, then according to configuration instruction or type of service, the rlc layer is cached
Whole segmentations of the SDU delete.
10. the method as described in claim 1,2,4,5,6 or 7, which is characterized in that it is described the rlc layer is cached described in
After whole segmentations of SDU are deleted, the method also includes:
It sends to receiving end for notifying the abandoned notification message of the SDU.
11. a kind of communication equipment characterized by comprising
Judgment module, for judging whether the SDU of rlc layer is sent to bottom or is eating dishes without rice or wine to be transmitted across；
Removing module, if being sent to bottom for SDU or eating dishes without rice or wine to be transmitted across, according to configuration instruction or service class
Type, the SDU that the rlc layer is cached are deleted.
12. communication equipment as claimed in claim 11, which is characterized in that the configuration instruction includes:
The configuration instruction of the communication equipment, the configuration instruction of the radio bearer of the communication equipment, SDAP layers of configuration instruction,
The configuration instruction of PDCP layers of configuration instruction, the configuration instruction of rlc layer or MAC layer.
13. the communication equipment as described in claim 11 or 12, which is characterized in that the configuration instruction includes:
Timer, the random ordering of reordering submit instruction or delete instruction；
Wherein, in the case where the value of the timer that reorders is 0 or is less than or equal to specific threshold, by the RLC
The SDU of layer caching is deleted；Or
In the case where the configuration instruction includes that the random ordering submits instruction or deletion instruction, the rlc layer is delayed
The SDU deposited is deleted, and the deletion instruction, which is used to indicate, is sent to bottom in the SDU or in the feelings for eating dishes without rice or wine to be transmitted across
Under condition, the SDU that the rlc layer is cached is deleted.
14. communication equipment as claimed in claim 11, which is characterized in that business includes the SDU, and the type of service includes
It is at least one of following:
QCI, QFI of the business, minimum latency requirement, access mark and access style.
15. communication equipment as claimed in claim 14, which is characterized in that it is described according to type of service, the rlc layer is cached
The SDU delete, comprising:
If the QCI is default QCI, the SDU that the rlc layer is cached is deleted；Or
If the QFI is default QFI, the SDU that the rlc layer is cached is deleted；Or
If the minimum latency requirement is less than or equal to default delay threshold, the SDU that the rlc layer is cached is deleted
It removes；Or
If the access is identified as default access mark, the SDU that the rlc layer is cached is deleted；Or
If the access style is default access style value, the SDU that the rlc layer is cached is deleted.
16. communication equipment as claimed in claim 11, which is characterized in that the type of service includes the RLC of business mapping real
Body, will according to the RLC entity that business maps if the removing module is sent to bottom or is eating dishes without rice or wine to be transmitted across for SDU
The SDU of the RLC entity caching is deleted, wherein the business includes the SDU.
17. communication equipment as claimed in claim 11, which is characterized in that the transmission mode of the SDU is TM, UM or AM.
18. the communication equipment as described in claim 11,12,14,15,16 or 17, which is characterized in that the removing module is used for
If at least one segmentation of the SDU is sent to bottom or is eating dishes without rice or wine to be transmitted across, according to configuration instruction or service class
Type, by the rlc layer cache described at least one segmentation delete.
19. the communication equipment as described in claim 11,12,14,15,16 or 17, which is characterized in that the removing module is used for
If the instruction information of the SDU and at least one point of the SDU are abandoned in the instruction that the rlc layer receives high-rise transmission
Section is sent to bottom or is eating dishes without rice or wine to be transmitted across, then according to configuration instruction or type of service, the institute that the rlc layer is cached
The whole segmentations for stating SDU are deleted.
20. the communication equipment as described in claim 11,12,14,15,16 or 17, which is characterized in that the communication equipment also wraps
It includes:
Sending module, for sending to receiving end for notifying the abandoned notification message of the SDU.
21. a kind of communication equipment characterized by comprising memory, processor and be stored on the memory and can be in institute
State the computer program run on processor, when the computer program is executed by the processor realize as claim 1 to
Step in the processing method of SDU described in any one of 10.
22. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the processing side of the SDU as described in any one of claims 1 to 10 when the computer program is executed by processor
The step of method.
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