CN109600853A - A kind of uplink data transmission method and device - Google Patents

A kind of uplink data transmission method and device Download PDF

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Publication number
CN109600853A
CN109600853A CN201710923047.9A CN201710923047A CN109600853A CN 109600853 A CN109600853 A CN 109600853A CN 201710923047 A CN201710923047 A CN 201710923047A CN 109600853 A CN109600853 A CN 109600853A
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China
Prior art keywords
pdu
sequence number
rice
wine
path
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Granted
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CN201710923047.9A
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Chinese (zh)
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CN109600853B (en
Inventor
叶朝岭
刘成伟
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201710923047.9A priority Critical patent/CN109600853B/en
Priority to PCT/CN2018/107401 priority patent/WO2019062725A1/en
Publication of CN109600853A publication Critical patent/CN109600853A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A kind of uplink data transmission method and device, caused interface-free resources waste, power consumption of terminal larger problem when solving the protocol Data Unit PDU existing in the prior art based on packet replication technical transmission Packet Data Convergence Protocol PDCP.This method comprises: in response to the first scheduling authorization from access net, first under packet replication mode, which eats dishes without rice or wine, nets on path to access and sends PDCP PDU, first scheduling authorization corresponds to first and eats dishes without rice or wine path, and be recorded in first eat dishes without rice or wine on path first send record.In response to the second scheduling authorization from access net, determine second at least one PDU to be sent to eat dishes without rice or wine on path under packet replication mode, wherein, eliminate the PDU of the indicated confirmation of accessed network of the first transmission record at least one PDU to be sent, the second scheduling authorization corresponds to second and eats dishes without rice or wine path；It eats dishes without rice or wine to send at least one described PDU to be sent to access net on path second.

Description

A kind of uplink data transmission method and device
Technical field
This application involves field of communication technology more particularly to a kind of uplink data transmission methods and device.
Background technique
Third generation partner program (3rd generation partnership project, 3GPP) wireless access network The second layer (Radio access network 2, RAN2) introduces packet replication in new radio (new radio, NR) (duplication) function is to increase data transmission credibility.Packet replication function is that is, terminal is based on packet data convergence for multiple Agreement (packet data convergence protocol, PDCP) protocol Data Unit (protocol data unit, PDU it) is replicated, the obtained multiple PDCP PDU of original multiple PDCP PDU and duplication is then passed through two not respectively Same air interface transmission parallel path is sent to access net, so that terminal passes through the PDCP that the first air interface transmission path is sent When PDU undelivered access net, which can receive terminal and passes through the PDCP PDU that the second air interface transmission path is sent, from And increase the reliability of data transmission.
However, terminal is netted based on packet replication function to access when sending PDCP PDU, since two air interface transmission paths are only It is vertical concurrently to be transmitted, when some the PDCP PDU sent by the first air interface transmission path being caused to have arrived at access net, Terminal still passes through the second air interface transmission path and nets the transmission PDCP PDU to access, causes interface-free resources to waste, and increase Power consumption of terminal.
Summary of the invention
The application provides a kind of uplink data transmission method and device, existing in the prior art based on cladding to solve Caused interface-free resources waste, power consumption of terminal larger problem when technical transmission PDCP PDU processed.
In a first aspect, this application provides a kind of uplink data transmission methods, this method comprises: in response to from access net The first scheduling authorization, first under packet replication mode, which eats dishes without rice or wine, nets on path to the access and sends PDCPPDU, described first Scheduling authorization corresponds to described first and eats dishes without rice or wine path, and be recorded in described first eat dishes without rice or wine on path first send record.In sound When Ying Yu is from the second scheduling authorization of the access net, determine that second under the packet replication mode eats dishes without rice or wine on path extremely A few PDU to be sent, wherein eliminate described first at least one described PDU to be sent and send indicated by record By the PDU of the access net confirmation, second scheduling authorization corresponds to described second and eats dishes without rice or wine path, empty described second later At least one described PDU to be sent is sent to access net on mouth path.
Above scheme provides the uplink data transmission method under a kind of mode applied to packet replication, compared with the prior art Middle terminal device passes through the parallel transmission PDCP PDU of two independent in path of eating dishes without rice or wine under packet replication mode, in the embodiment of the present application Terminal device can record mutually coordinated two paths of eating dishes without rice or wine, the path if one of them is eated dishes without rice or wine according to the transmission in two paths of eating dishes without rice or wine It is fed back for some PDU and is properly received message, then another path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, so as to effectively keep away Exempt from terminal device to repeat to send by the PDU of the access net confirmation, the redundancy that can reduce terminal device is sent, and then can be with It improves the utilization rate of interface-free resources, avoid bandwidth waste, and reduce the power consumption of terminal device.
In a kind of possible design, at least one PDU to be sent of the determination can be by sending according to described first The second transmission that record adjustment is eated dishes without rice or wine on path described second records to obtain at least one described PDU to be sent.
In above-mentioned design, the second transmission of record adjustment is sent by first and is recorded come mutually coordinated two paths of eating dishes without rice or wine, it can Effectively to avoid terminal device from repeating to send by the PDU of the access net confirmation, the redundancy for reducing terminal device is sent, thus The utilization rate of interface-free resources can be improved and avoid bandwidth waste, reduce the power consumption of terminal device.
In a kind of possible design, described first sends the sequence number that record may include: the first PDU and described the It is eating dishes without rice or wine to send on path and by the sequence number of the PDU of the access net confirmation described first after one PDU, and The sequence number of 2nd PDU and the sequence number for not eating dishes without rice or wine the PDU sent on path described first after the 2nd PDU；Its In, the first PDU is to have eated dishes without rice or wine the last one PDU send on path and by the access net confirmation described first Next PDU, the 2nd PDU is the next PDU for eating dishes without rice or wine the last one PDU sent on path described first, described The sequence number of first PDU is less than or equal to the sequence number of the 2nd PDU.The second transmission record may include: the 3rd PDU Sequence number and after the 3rd PDU it is eating dishes without rice or wine to send on path and by the access net confirmation described second It the sequence number of the sequence number of PDU and the 4th PDU and does not eat dishes without rice or wine to send on path described second after the 4th PDU PDU sequence number；Wherein, the 3rd PDU is eating dishes without rice or wine to send on path and netted by the access true described second Next PDU of the last one PDU recognized, the 4th PDU are to have eated dishes without rice or wine the last one PDU sent on path described second Next PDU, the sequence number of the 3rd PDU is less than or equal to the sequence number of the 4th PDU.
Accessed network confirmation can be determined by sending record and the second transmission record by first in above-mentioned design The superfluous of terminal device is effectively reduced so as to avoid terminal device from repeating to send by the PDU of the access net confirmation in PDU Remaining transmission, and then the utilization rate of interface-free resources can be improved and avoid bandwidth waste, and the power consumption of terminal device can be reduced.
In a kind of possible design, according to it is described first send record adjustment described second eat dishes without rice or wine on path second Send record come obtain at least one PDU to be sent may include: the first PDU sequence number be greater than the 3rd PDU Sequence number, and be less than the 4th PDU sequence number when, will be in the sequence of the sequence number of the 3rd PDU and the first PDU The corresponding PDU of sequence number between row number, and after the first PDU, it is described first send record instruction it is described The PDU of access net confirmation is discharged；Then the sequence number of 3rd PDU is adjusted to the sequence number of the first PDU；It The corresponding PDU of at least one sequence number since the sequence number of the 4th PDU is determined as to described at least one is pending afterwards Send PDU.
The transmission method that terminal device is eated dishes without rice or wine on path at two is identical, the difference is that two paths of eating dishes without rice or wine are eated dishes without rice or wine The signal quality of resource is different, causes the PDU transmission speed in two paths of eating dishes without rice or wine different, and in above-mentioned design, if access net exists First, which eats dishes without rice or wine, is properly received message for some PDU feedback on path, then the second path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, from And the redundancy that can reduce terminal device is sent, and avoids bandwidth waste, and can reduce the power consumption of terminal device.
In a kind of possible design, according to it is described first send record adjustment described second eat dishes without rice or wine on path second Send record come obtain at least one PDU to be sent may include: the first PDU sequence number be greater than the 4th PDU Sequence number when, by the corresponding PDU of sequence number before the sequence number of the first PDU, and the first PDU it Afterwards, the first transmission record instruction is discharged by the PDU that the access net confirms；Then by the sequence of the 3rd PDU The sequence number of row number and the 4th PDU are adjusted to the sequence number of the first PDU；Later, it will be opened from the sequence number of the 4th PDU The corresponding PDU of at least one sequence number to begin is determined as at least one described PDU to be sent.
In above-mentioned design, if access net eats dishes without rice or wine to be properly received message for some PDU feedback on path first, second Path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, sends so as to reduce the redundancy of terminal device, avoids bandwidth waste, and can be with Reduce the power consumption of terminal device.
In a kind of possible design, record can also be sent according to described first to determine that described at least one is to be sent PDU.Wherein, described first to send record may include: eating dishes without rice or wine to send on path and not by the access described first The sequence number of the PDU of confirmation is netted, and the sequence number for not eating dishes without rice or wine the PDU sent on path described first.Specifically, for the Two paths of eating dishes without rice or wine determine the next PDU for eating dishes without rice or wine the last one PDU sent on path described second.Then in response second When scheduling authorization, record, at least one sequence since the determining corresponding sequence number of the PDU are sent based on described first Number corresponding PDU is determined as at least one described PDU to be sent.
In above-mentioned design, if access net eats dishes without rice or wine to be properly received message for some PDU feedback on path first, second Path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, sends so as to reduce the redundancy of terminal device, avoids bandwidth waste, and can be with Reduce the power consumption of terminal device.
In a kind of possible design, second at least one eated dishes without rice or wine on path under the packet replication mode is being determined It, can also be first according at least one scheduling from the access net before second scheduling authorization before PDU to be sent The total quantity that when respond second scheduling authorization needs eat dishes without rice or wine the PDU sent on path described second is predicted in authorization, In, at least one described scheduling authorization corresponds to described second and eats dishes without rice or wine path, and includes needing to send in each scheduling authorization The quantity of PDU；Then the PDU for eating dishes without rice or wine total quantity described in coordinates measurement for described second, the determination is in the packet replication mode Under second at least one PDU to be sent to eat dishes without rice or wine on path be the PDU based on the total quantity.
Middle terminal device generates PDU after receiving authorized order compared with the prior art, and terminal is set in above-mentioned design The standby quality of eating dishes without rice or wine that can eat dishes without rice or wine path according to second before receiving authorized order pre-generates PDU, so that terminal device exists It can be independent of authorized order, so as to reduce transmission delay caused by as generating PDU when generating PDU.
Second aspect, the embodiment of the present application provide a kind of transmitting uplink data device, and described device includes: the first transmission mould Block, in response to the first scheduling authorization from access net, first under packet replication mode, which eats dishes without rice or wine, to be connect on path to described It networks and sends the protocol Data Unit PDU of Packet Data Convergence Protocol PDCP, first scheduling authorization corresponds to described first It eats dishes without rice or wine path；First logging modle, for being recorded in the described first the first transmission record eated dishes without rice or wine on path；Second sends mould Block, for determining that second under the packet replication mode is eated dishes without rice or wine road in response to the second scheduling authorization from the access net At least one PDU to be sent on diameter, wherein the first logging modle note is eliminated at least one described PDU to be sent Described the first of record sends by the PDU of the access net confirmation indicated by record, and second scheduling authorization corresponds to institute Second is stated to eat dishes without rice or wine path；And described second eat dishes without rice or wine on path to access net send the determining module determine described in extremely A few PDU to be sent.
In a kind of possible design, described device further includes the second logging modle；Second logging modle, for remembering The second transmission eated dishes without rice or wine on path described second is recorded to record；Second sending module is determining at least one PDU to be sent When, it is specifically used for: sends record according to described the first of first logging modle record and adjust the second logging modle note Described the second of record sends record to obtain at least one described PDU to be sent.
In a kind of possible design, described first to send record include: the sequence number of the first PDU and described first It is eating dishes without rice or wine to send on path and by the sequence number of the PDU of the access net confirmation, Yi Ji described first after PDU The sequence number of two PDU and the sequence number for not eating dishes without rice or wine the PDU sent on path described first after the 2nd PDU；Wherein, First PDU is eating dishes without rice or wine to send on path and by under the last one PDU of the access net confirmation described first One PDU, the 2nd PDU are the next PDU for eating dishes without rice or wine the last one PDU sent on path described first, described first The sequence number of PDU is less than or equal to the sequence number of the 2nd PDU；It is described second send record include: the 3rd PDU sequence number and It is eating dishes without rice or wine to send on path and by the sequence of the PDU of the access net confirmation described second after the 3rd PDU Number and the 4th PDU sequence number and the sequence of not eating dishes without rice or wine the PDU sent on path described second after the 4th PDU Row number；Wherein, the 3rd PDU is eating dishes without rice or wine to send on path and by the last of the access net confirmation described second Next PDU of one PDU, the 4th PDU are to have eated dishes without rice or wine the next of the last one PDU sent on path described second The sequence number of PDU, the 3rd PDU are less than or equal to the sequence number of the 4th PDU.
In a kind of possible design, second sending module, according to first logging modle record First, which sends record, adjusts described the second of second logging modle record and sends record described at least one is pending to obtain When sending PDU, it is specifically used for: is greater than the sequence number of the 3rd PDU in the sequence number of the first PDU, and is less than the described 4th It, will be corresponding with the sequence number between the sequence number of the first PDU in the sequence number of the 3rd PDU when sequence number of PDU PDU, and after the first PDU, it is described first send record instruction by it is described access net confirmation PDU released It puts；The sequence number of 3rd PDU is adjusted to the sequence number of the first PDU；It will be since the sequence number of the 4th PDU The corresponding PDU of at least one sequence number be determined as at least one described PDU to be sent.
In a kind of possible design, second sending module, according to first logging modle record First, which sends record, adjusts described the second of second logging modle record and sends record described at least one is pending to obtain When sending PDU, it is specifically used for:, will be described first when the sequence number of the first PDU is greater than the sequence number of the 4th PDU The corresponding PDU of sequence number before the sequence number of PDU, and after the first PDU, it is described first send record instruction It is discharged by the PDU of the access net confirmation；The sequence number of the sequence number of 3rd PDU and the 4th PDU is adjusted to institute State the sequence number of the first PDU；The corresponding PDU of at least one sequence number since the sequence number of the 4th PDU is determined as At least one described PDU to be sent.
In a kind of possible design, described device further includes pre-generatmg module；The pre-generatmg module, for described Before second sending module is in response to the second scheduling authorization from the access net, according to before second scheduling authorization At least one scheduling authorization from the access net, prediction need empty described second when responding second scheduling authorization The total quantity of the PDU sent on mouthful path, wherein at least one described scheduling authorization corresponds to described second and eats dishes without rice or wine path, and It include the quantity for needing the PDU sent in each scheduling authorization；And it eats dishes without rice or wine total quantity described in coordinates measurement for described second PDU, second at least one PDU to be sent to eat dishes without rice or wine on path of the determination under the packet replication mode is based on described total The PDU's of quantity.
The third aspect, the embodiment of the present application also provides a kind of uplink data transmission equipment, the equipment includes memory And processor；The memory for storing software program, the processor for read stored in the memory it is soft Part program simultaneously realizes the method that any one design of first aspect or above-mentioned first aspect provides.
Fourth aspect also provides a kind of computer readable storage medium in the embodiment of the present application, the computer-readable storage Program is stored in medium, which can realize first aspect or above-mentioned first when being read and executed by one or more processors Any one design of aspect method.
5th aspect, the embodiment of the present application provides a kind of computer program product comprising instruction, when it is in computer When upper operation, so that computer executes method described in any one design of above-mentioned first aspect or above-mentioned first aspect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of communication system provided by the present application；
Fig. 2 is a kind of schematic diagram of packet replication mode provided by the present application；
Fig. 3 is a kind of flow diagram of uplink data transmission method provided by the present application；
Fig. 4 is the schematic diagram of PDU generation method provided by the present application；
Fig. 5 is the schematic diagram that a kind of PDU to be sent provided by the present application determines method；
Fig. 6 is the schematic diagram that another kind PDU to be sent provided by the present application determines method；
Fig. 7 is the schematic diagram that another kind PDU to be sent provided by the present application determines method；
Fig. 8 is a kind of structural schematic diagram of uplink data transmission equipment provided by the present application；
Fig. 9 is a kind of structural schematic diagram of transmitting uplink data device provided by the present application.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into One step it is described in detail.Uplink data transmission method provided by the present application can be applied to the communication system using packet replication mode In.Using the framework of the communication system of packet replication mode as shown in Figure 1, including access net and terminal device, net and end are accessed Transmitting uplink data and downlink data transmission are carried out between end equipment.In the communication system, terminal device is based on network The scheduling information that equipment is sent carries out transmitting uplink data.The invention relates to communication system can be all kinds of communication systems System, for example, it may be long term evolution (long term evolution, LTE), is also possible to the 5th generation (5G) communication system, also It can be LTE and 5G mixed architecture.
Wherein, net is accessed, common base station (such as Node B or eNB) is can be, can be new wireless controller (New Radio controller, NR controller), it can be the gNode B (gNB) in 5G system, can be centralized network element (Centralized Unit), can be new wireless base station, can be radio frequency remoto module, can be micro-base station, can be After (relay), it can be distributed net element (Distributed Unit), can be receiving point (Transmission Reception Point, TRP) or transfer point (Transmission Point, TP) or any other radio reception device, But the embodiment of the present application is without being limited thereto.The access net includes at least one base station, wherein each base station can cover 1 or more A cell.
Terminal device, also referred to as user equipment (User Equipment, UE), be one kind provide a user voice and/ Or the equipment of data connectivity, for example, handheld device, mobile unit etc. with wireless connecting function.Common terminal example It such as include: mobile phone, tablet computer, laptop, palm PC, mobile internet device (mobile internet Device, MID), wearable device, such as smartwatch, Intelligent bracelet, pedometer etc..
Based in communication system shown in FIG. 1, terminal device is netting transmission packet count to access using packet replication technology According to protocol Data Unit (the protocol data of convergence protocol (packet data convergence protocol, PDCP) Unit, PDU) when, multiple PDCP PDU to be sent are replicated, then by original multiple PDCP PDU and are replicated To multiple PDCP PDU respectively access net covering under two cells interface-free resources on to the access net independent parallel into Row is sent.Since the signal quality of the interface-free resources of two cells is different, the PDU transmission speed of two cells may be different.Base In this, the application provides a kind of uplink data transmission method and device, can be applied to the terminal device.Wherein, method and Device be based on the same inventive concept, since the principle that method and device solves the problems, such as is similar, the reality of apparatus and method Applying can be with cross-reference, and overlaps will not be repeated.
Hereinafter, the part term in the application is explained, so as to those skilled in the art understand that.
Packet replication mode: in uplink, terminal device replicates multiple PDCPPDU, then will be original more Multiple PDCPPDU that a PDCPPDU and duplication obtain pass through two different parallel paths of eating dishes without rice or wine respectively to carry out to access net It sends, that is, is sent parallel to access net by the interface-free resources of different community.
It eats dishes without rice or wine path: i.e. the interface-free resources of cell.Cell where two paths of eating dishes without rice or wine under packet replication mode is different, because Wireless spread-spectrum technology (radio link control, the RLC) entity and logic channel in this described two path of eating dishes without rice or wine are different, As shown in Figure 2.Cell where two paths of eating dishes without rice or wine may belong to the access same base station off the net, can also be belonging respectively to The access two different base stations off the net, therefore, the RLC entity in described two paths of eating dishes without rice or wine may belong to the same cell group It closes (cell group, CG), also may belong to different CG.Wherein, all cells under the same base station covering are one small District's groups are closed.When two paths of eating dishes without rice or wine belong to the same cell combination, terminal device on two paths of eating dishes without rice or wine with the same base station Communication.When two paths of eating dishes without rice or wine are not belonging to the same cell combination, terminal device divides on two paths of eating dishes without rice or wine with two base stations It does not communicate.
Scheduling authorization: terminal device is netted to access when needing to net transmission upstream data to access and sends scheduling request (scheduling request, SR).To access after net receives SR, upstream data is used for transmission for terminal device distribution Resource, and terminal device is notified by uplink scheduling authorization (UL grant), that is, pass through UL grant instruction terminal equipment The quantity etc. for the PDCP PDU that the running time-frequency resource and instruction terminal equipment that can be used for transmitting data need to transmit.
It is multiple involved in the application, refer to two or more.
In addition, it is necessary to understand, in the description of the present application, the vocabulary such as " first ", " second " are only used for distinguishing description Purpose, be not understood to indicate or imply relative importance, can not be interpreted as indication or suggestion sequence.
Uplink data transmission method provided by the present application is specifically described with reference to the accompanying drawing.
It is a kind of flow chart of uplink data transmission method provided by the present application referring to Fig. 3.This method can be applied to figure Communication system shown in 1, this method comprises:
S301, access net (such as base station) issue the first scheduling authorization to terminal device, and first scheduling authorization is corresponding First under packet replication mode eats dishes without rice or wine path, i.e. the first scheduling authorization can be uploaded with authorization terminal equipment in the first path of eating dishes without rice or wine The protocol Data Unit PDU of transporting packet data convergence protocol PDCP.Two path property of can choose of eating dishes without rice or wine for connecting terminal Equipment and two base stations in same base station or difference in access net.For example, belonging to the same cell group for two paths of eating dishes without rice or wine The case where conjunction, the access net with terminal equipment in communication are the same base stations；The non-same cell is belonged to for two paths of eating dishes without rice or wine The case where combination, the access net with terminal equipment in communication include multiple base stations.
S302, the terminal device eat dishes without rice or wine to connect to described on path in response to first scheduling authorization, described first It networks and sends PDCP PDU.
S303, the first transmission that the terminal device records are eated dishes without rice or wine on path described first record.Wherein, it first sends It records for determining terminal device by the PDU of the access net confirmation.First transmission record may include access net in institute First is stated to eat dishes without rice or wine to have fed back the sequence number for being properly received the PDU of message on path；It also may include: to have eated dishes without rice or wine on path first It sends and the mark of the PDU of non-accessed network confirmation and the mark for not eating dishes without rice or wine the PDU sent on path first；Also it can wrap It includes: eating dishes without rice or wine to send on path and the mark of the PDU of non-accessed network confirmation and eat dishes without rice or wine path described first first The sequence number of next PDU of the last one PDU of upper transmission；Certainly, the first transmission record also may include other content, this Shen Please embodiment be not specifically limited herein.
S304, the access net issue the second scheduling authorization to the terminal device, and second scheduling authorization corresponds to Second under the packet replication mode eats dishes without rice or wine path, i.e. the second scheduling authorization can be eated dishes without rice or wine on path with authorization terminal equipment second Transmit PDCPPDU.For example, the case where belonging to the non-same cell combination for two paths of eating dishes without rice or wine, issues the first scheduling authorization The second scheduling authorization of box is the different base station accessed in net.Or the same cell group is belonged to for two paths of eating dishes without rice or wine The case where conjunction, issue first the second scheduling authorization of scheduling authorization box is the same base station in the access net.
S305, the terminal device in response to second scheduling authorization, determine eat dishes without rice or wine described second it is pending on path It is sent at least one PDU to be sent of the access net, wherein eliminate described first at least one described PDU to be sent Send the indicated PDU for being netted confirmation by the access of record.Terminal device can according to first send record determine by Then the PDU of the access net confirmation judges not eat dishes without rice or wine in the PDU sent on path second with the presence or absence of by the access Net the PDU of confirmation.If so, then deleting the PDU, terminal device is determined later does not eat dishes without rice or wine on path second after deleting At least one of PDU of transmission is at least one described PDU to be sent.
S306, the terminal device are based on packet replication mode and eat dishes without rice or wine on path described second to access net transmission institute State at least one PDU to be sent.
The middle terminal device transmission parallel by two independent in path of eating dishes without rice or wine under packet replication mode compared with the prior art PDCP PDU, terminal device can record mutually coordinated two according to the transmission in two paths of eating dishes without rice or wine and eat dishes without rice or wine in the embodiment of the present application Path, if one of them is eated dishes without rice or wine, path is properly received message for some PDU feedback, another path of eating dishes without rice or wine then no longer needs to send out The PDU is given, so as to effectively avoid terminal device from repeating to send by the PDU of the access net confirmation, reduces terminal device Redundancy send, and then the utilization rate of interface-free resources can be improved, avoid bandwidth waste, the function of terminal device can also be reduced Consumption.
For the convenience of description, the embodiment of the present application will be eating dishes without rice or wine to send on path and by the access described first The sequence number of next PDU for netting the last one PDU of confirmation is collectively referred to as NextAckSn1, will eat dishes without rice or wine path described first The sequence number of next PDU of the last one PDU of upper transmission is collectively referred to as NextTxSn1, wherein NextAckSn1 is less than or equal to NextTxSn1.It will be eating dishes without rice or wine to send on path and by under the last one PDU of the access net confirmation described second The sequence number of one PDU is collectively referred to as NextAckSn2, will eat dishes without rice or wine under the last one PDU sent on path described second The sequence number of one PDU is collectively referred to as NextTxSn2, wherein NextAckSn2 is less than or equal to NextTxSn2.
Terminal device can net the first scheduling of transmission to the access and ask before the first scheduling authorization of response access net It asks, first scheduling request eats dishes without rice or wine path to access net transmission PDU by described first for requesting, and then connects It networks based on the first scheduling authorization issued after first scheduling request, sending time is carried in the first scheduling authorization and needs The quantity for the PDU to be sent.Then when reaching the sending time that the first scheduling authorization carries, start to eat dishes without rice or wine on path first It is netted to access and sends PDU.
Wherein, can be carried in first scheduling request described first eat dishes without rice or wine path all not sent PDU number Amount, the first quantity of all not sent PDU for eating dishes without rice or wine path is that network protocol (internet protocol, IP) layer is slow The quantity for the Service Data Unit (service data unit, SDU) deposited allows access net to eat dishes without rice or wine path according to first The quantity of all not sent PDU determine the quantity of PDU that terminal device needs to send when responding the first scheduling authorization.
Similarly, terminal device can be netted to the access before the second scheduling authorization of response access net and send second To access net transmission PDU, then scheduling request, second scheduling request eat dishes without rice or wine path by described second for requesting Access net is received based on the second scheduling authorization issued after second scheduling request, carries sending time in the second scheduling authorization And the quantity for the PDU for needing to send.Then when reaching the sending time that the second scheduling authorization carries, start to eat dishes without rice or wine second It is netted on path to access and sends PDU.
Wherein, can be carried in second scheduling request described second eat dishes without rice or wine path all not sent PDU number Amount, second eat dishes without rice or wine path all not sent PDU quantity be IP layer cache SDU quantity, and NextTxSn2 extremely Included the sum of the quantity of sequence number between NexTxSn1 sends out access net not according to second all of path that eat dishes without rice or wine The quantity of the PDU sent determines the quantity for the PDU that terminal device needs to send when responding the second scheduling authorization.
In one embodiment, the quantity of at least one PDU to be sent is equal to need entrained by the second scheduling authorization The quantity for the PDU to be sent.
It, can be according to coming from the access before second scheduling authorization before receiving second scheduling authorization At least one scheduling authorization of net, prediction need to eat dishes without rice or wine to send on path described second when responding second scheduling authorization PDU total quantity, wherein at least one described scheduling authorization corresponds to described second and eats dishes without rice or wine path, and each scheduling authorization In include the quantity of PDU for needing to send；Then the PDU for eating dishes without rice or wine total quantity described in coordinates measurement for described second.To in sound Under the packet replication mode can should be determined based on the PDU of the total quantity of generation when the second scheduling authorization Two at least one PDU to be sent to eat dishes without rice or wine on path can be directly from having given birth to it is, when in response to the second scheduling authorization At PDU in obtain without access net confirmation PDU as PDU to be sent.If include in the second scheduling authorization needs to send PDU quantity be greater than generated PDU in obtain without access net confirmation PDU quantity when, second can received Continue to generate PDU to be sent after scheduling authorization.Here prediction is so that the total quantity of pre-generated PDU is substantially equal at least one The data volume of a PDU to be sent.
Wherein, terminal device can generate the PDU of the total quantity in the following way: firstly, terminal device is at IP layers The SDU of the middle total quantity for obtaining caching, then the protocal layers (such as PDCP layers, rlc layer) of terminal device are followed successively by Some header fields for not depending on uplink network authorization such as the SDU distributorship agreement head data of acquisition, such as PDCP layers are SDU points obtained Agreement header field, rlc layer with PDCP are that the SDU handled by PDCP layers distributes the agreement header field of RLC, media access control (media access control, MAC) layer is that the SDU handled by rlc layer distributes the protocol headers etc. of MAC.Such as Fig. 4 institute Show, it is assumed that terminal device will net one IP packet of transmission to access, then this IP packet is referred to as SDU, which is added by PDCP layers Agreement header field of PDCP etc. is added to manage.
Middle terminal device generates PDU, end in the embodiment of the present application after receiving scheduling authorization compared with the prior art The quality of eating dishes without rice or wine that end equipment can eat dishes without rice or wine path according to second before receiving scheduling authorization pre-generates PDU, so that terminal is set It is standby to generate suitable number of PDU in advance, so as to effectively reduce transmission delay caused by as generating PDU.
In a kind of possible embodiment, at least one PDU to be sent of the determination can be real in the following way It is existing:
It is described to obtain that the second transmission record that record adjustment is eated dishes without rice or wine on path described second is sent according to described first At least one PDU to be sent.Wherein, the first transmission record may include: NextAckSn1 and correspond in NextAckSn1 PDU after it is eating dishes without rice or wine to send on path and by the sequence number of the PDU of the access net confirmation described first, and NextTxSn1 and the sequence number for not eating dishes without rice or wine the PDU sent on path described first after the NextTxSn1.Second hair Send record may include: NextAckSn2 and after the NextAckSn2 it is eating dishes without rice or wine to send on path and not described second By the sequence number of the PDU of the access net confirmation and NextAckSn2 with after the corresponding PDU of NextAckSn2 not in institute State the second sequence number for eating dishes without rice or wine the PDU sent on path.
Specifically, second transmission eated dishes without rice or wine on path according to the first transmission record adjustment described second records At least one PDU to be sent is obtained, can be realized by any one of the following two kinds mode:
Mode one:
A1 as shown in fig.5, being greater than the NextAckSn2 in the NextAckSn1, and is less than the NextTxSn2 When, by the corresponding PDU of sequence number between the NextAckSn2 and the NextAckSn1, and described After the corresponding PDU of NextAckSn1, it is described first send record instruction by it is described access net confirmation PDU discharged.
The NextAckSn2 is adjusted to the NextAckSn1 by A2.
A3, by the corresponding PDU of at least one sequence number since the NextTxSn2 be determined as it is described at least one wait for Send PDU.
For example, NextAckSn1 be 7, NextTxSn1 15, first send be recorded as 7,9,10,12,15,16,17, 18,19,20,21 ... }.NextAckSn2 is 1, NextTxSn2 11, second send and be recorded as 1,2,5,7,9,11,12, 13,14,15,16 ... }.
It can determine that NextAckSn1 (namely 7) are greater than NextAckSn2 (namely 1), be less than NextTxSn2 (also It is that 11), therefore the sequence number { 1,2,5 } that second is sent in record between the NextAckSn2 and NextAckSn1 that record is corresponding PDU, and NextAckSn1 after the first PDU, it is described first send record instruction by the access net really The PDU (namely second sends the corresponding PDU of sequence number { 11,14 } recorded in record) recognized is discharged, and will NextAckSn2 is adjusted to 7, then the second transmission adjusted is recorded as { 7,9,12,13,15,16 ... }.It will be from NextTxSn2 The corresponding PDU of at least one sequence number started is determined as at least one described PDU to be sent, that is, incite somebody to action 12,13,15, 16 ... } the corresponding PDU of top n sequence number is determined as at least one described PDU to be sent, N be equal to it is described at least one wait for The quantity of PDU is sent, that is, is equal to the quantity for the PDU that the needs that the second scheduling authorization carries are sent.
Mode two:
B1, as shown in fig.6, when the NextAckSn1 is greater than the NextTxSn2, it will be in the NextAckSn1 The corresponding PDU of sequence number before, and after the first PDU, it is described first send record instruction by the access The PDU of net confirmation is discharged.
The NextAckSn2 and NextTxSn2 are adjusted to the NextAckSn1 by B2.
B3, by the corresponding PDU of at least one sequence number since the NextTxSn2 be determined as it is described at least one wait for Send PDU.
For example, NextAckSn1 be 7, NextTxSn1 15, first send be recorded as 7,9,10,12,13,15,16, 17,18,19,20,21 ... }.NextAckSn2 is 1, NextTxSn2 5, second send and be recorded as 1,2,5,6,7,8,9, 10,11,12,13 ... }.
It can determine that NextAckSn1 (namely 7) are greater than NextTxSn2 (namely 5), therefore second is sent and is recorded The corresponding PDU of sequence number { 1,2,5,6 } before the NextAckSn2 of middle record, and the corresponding PDU of NextAckSn1 it Afterwards, (namely second sends the sequence recorded in record to the PDU that the first transmission record instruction has been confirmed by the access net Number { 8,11,14 } corresponding PDU) it is discharged, and NextAckSn2 and NextTxSn2 are adjusted to 7, therefore after adjusting Second send be recorded as { 7,9,10,12,13,15,16,17,18 ... }.By at least one sequence since NextTxSn2 The corresponding PDU of row number is determined as at least one described PDU to be sent, that is, incite somebody to action 7,9,10,12,13,15,16,17, 18 ... } the corresponding PDU of preceding M sequence number is determined as at least one described PDU to be sent, M be equal to it is described at least one wait for The quantity of PDU is sent, that is, is equal to the quantity for the PDU that the needs that the second scheduling authorization carries are sent.
Transmission method of the terminal device on two paths be it is identical, the difference is that the letter of the interface-free resources of two paths Number quality difference causes the PDU transmission speed of two paths different, and through the above scheme, if access net is eated dishes without rice or wine road first It is properly received message for some PDU feedback on diameter, then the second path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, so as to reduce The redundancy of terminal device sends and effectively avoids bandwidth waste, and can reduce the power consumption of terminal device.
In alternatively possible embodiment, at least one PDU to be sent of the determination can also be in the following way It realizes: sending record according to described first to determine at least one described PDU to be sent.Wherein, the first transmission record can To include: eating dishes without rice or wine to send on path and by the sequence number of the PDU of the access net confirmation, Yi Jiwei described first In the sequence number that described first eats dishes without rice or wine the PDU sent on path.Specifically, can be accomplished in that
C1, for first eat dishes without rice or wine path record NextTxSn1, for second eat dishes without rice or wine path record NextTxSn2.
C2 sends based on described first and records when responding the second scheduling authorization, and at least one since NextTxSn2 The corresponding PDU of a sequence number is determined as at least one described PDU to be sent.
Later, it eats dishes without rice or wine to eat dishes without rice or wine on path for described second on path described second receiving the access net The successful reception message of any PDU sent and the corresponding PDU sequence number of any PDU include first send record in when, It can be with the corresponding PDU sequence number of any PDU of deletion record.So as to when responding third scheduling authorization, the third Scheduling authorization is that the next of first scheduling authorization eats dishes without rice or wine the corresponding scheduling authorization in path with first, sends and remembers based on first Record, the corresponding PDU of at least one sequence number since NextTxSn1 are determined as at least one described PDU to be sent.
It is sent with first and is recorded as { 5,8,10,15,19,23,25,26,27,28,29,30 ... }, NextTxSn1 is The quantity of 25, NextTxSn2 17, the PDU that the needs carried in the second scheduling authorization are sent are 7, are taken in third scheduling authorization For the quantity for the PDU that the needs of band are sent is 5, as shown in fig.7, when responding the second scheduling authorization, according to described first Send record, by preceding 7 sequence numbers { 19,23,25,26,27,28,29 } since 17 ing be determined as described at least one is pending PDU is sent, and NextTxSn2 is updated to 30, as the dotted line arrows.The corresponding PDU of confirmation { 27,28 } is netted when access to have received When success, record is sent by described first and is updated to { 5,8,10,15,19,23,25,26,29,30 ... }, thus in response the When three scheduling authorizations, according to it is updated it is described first send record, by since 25 preceding 5 sequence numbers 25,26,29, 30,31 } corresponding PDU is sent to access net, and NextTxSn1 is updated to 32, as the dotted line arrows.
Through the above scheme, if the first path of eating dishes without rice or wine for some PDU feedback is properly received message, second eats dishes without rice or wine path Then without retransmiting the PDU, if the second path of eating dishes without rice or wine for some PDU feedback is properly received message, the first path of eating dishes without rice or wine is same Sample, so as to reduce the redundancy transmission of terminal device and avoid bandwidth waste, can also reduce end without retransmiting the PDU The power consumption of end equipment.
In the embodiment of the present application, in response to the first scheduling authorization from access net, first under packet replication mode is empty The protocol Data Unit PDU of Packet Data Convergence Protocol PDCP is sent on mouth path to the access net, first scheduling is awarded Power corresponds to described first and eats dishes without rice or wine path；It is recorded in the described first the first transmission record eated dishes without rice or wine on path；In response to from institute The second scheduling authorization of access net is stated, determines that second under the packet replication mode eats dishes without rice or wine to be sent to the access on path At least one PDU to be sent of net, wherein eliminate described first at least one described PDU to be sent and send record meaning Show by the PDU of the access net confirmation, second scheduling authorization corresponds to described second and eats dishes without rice or wine path；Described second It eats dishes without rice or wine to send at least one described PDU to be sent to access net on path.Middle terminal device passes through compared with the prior art The parallel transmission PDCP PDU of two independent in path of eating dishes without rice or wine under packet replication mode, terminal device can root in the embodiment of the present application Mutually coordinated two paths of eating dishes without rice or wine are recorded according to the transmission in two paths of eating dishes without rice or wine, path is anti-for some PDU if one of them is eated dishes without rice or wine Feedback is properly received message, then another path of eating dishes without rice or wine then is not necessarily to retransmit the PDU, so as to effectively terminal device be avoided to repeat It sends by the PDU of the access net confirmation, the redundancy for reducing terminal device is sent, and then the utilization of interface-free resources can be improved Rate and bandwidth waste is avoided, the power consumption of terminal device can also be reduced.Also, terminal device is connecing in compared with the prior art It receives authorized order and generates PDU later, terminal device can be before receiving authorized order according to second in the embodiment of the present application The quality of eating dishes without rice or wine in path of eating dishes without rice or wine pre-generates PDU, thus terminal device when generating PDU can independent of authorized order, from And transmission delay caused by as generating PDU can be effectively reduced.
The embodiment of the present invention provides a kind of uplink data transmission equipment 80, specifically for realizing implementation described in Fig. 3 to Fig. 7 The method of example description, which can be terminal device itself, be also possible to chip in terminal device or chipset or chip Or for executing a part of correlation technique function in chip, the structure of the equipment as shown in figure 8, include transceiver 801 and The physical devices such as processor 802, wherein processor 802, can be a central processing unit (English: central Processing unit, abbreviation CPU), microprocessor, specific integrated circuit, programmable logic circuit, large scale integrated circuit, It or is digital processing element etc..Transceiver 801 carries out data transmit-receive, transceiver 801 for terminal device and other equipment It can be RF transceiver part, be mainly used for sending treated the modulates baseband signals of processor 802 at high-frequency wireless signals It goes out, and the high-frequency wireless signals received is processed into base-band data signal transmission processor 802 and are handled.The equipment is also It may include memory 803, it, certainly can be with the one of storage terminal device needs for the program that storage processor 802 executes Other a little data etc..Memory 803 can be volatile memory (English: volatile memory), such as arbitrary access is deposited Reservoir (English: random-access memory, abbreviation: RAM)；Memory 803 is also possible to nonvolatile memory (English Text: non-volatile memory), for example, read-only memory (English: read-only memory, abbreviation: ROM), flash memory Reservoir (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state hard disk (English: Solid-state drive, abbreviation: SSD) or memory 803 can be used for carrying or storage has instruction or data knot The desired program code of configuration formula and can by any other medium of computer access, but not limited to this.Memory 803 can To be the combination of above-mentioned memory.
Specifically connecting between above-mentioned processor 802, memory 803 and transceiver 801 is not limited in the embodiment of the present application Connect medium.The embodiment of the present application is in fig. 8 only to pass through bus 804 between memory 803, processor 802 and transceiver 801 It is illustrated for connection, bus is indicated in fig. 8 with thick line, the connection type between other components, is only to carry out schematically Illustrate, does not regard it as and be limited.The bus can be divided into address bus, data/address bus, control bus etc..For convenient for expression, Fig. 8 In only indicated with a thick line, it is not intended that an only bus or a type of bus.
Processor 802 can be the processor of specialized hardware or runs software, when processor 802 can be with runs software, Processor 802 reads the instruction that memory 803 stores, and under the driving of described instruction, before execution involved in embodiment Method.
Specifically, transceiver 801 receives the first scheduling authorization for accessing hair off the net, and first scheduling authorization is for authorizing Terminal device can be eated dishes without rice or wine path transmission PDCP PDU based on packet replication mode first.Processor 802 is in response to the transmitting-receiving Received first scheduling authorization of device 801 obtains and described first eats dishes without rice or wine to send to the access net on path PDCPPDU, the transceiver 801 eat dishes without rice or wine the PDCPPDU that processor 802 obtains to be transferred to described connect on path described first It networks；Processor 802 is recorded in the described first the first transmission record eated dishes without rice or wine on path.
Subsequent, the transceiver 801 receives the second scheduling authorization of the access hair off the net, and second scheduling authorization is used It can be eated dishes without rice or wine path transmission PDCP PDU based on packet replication mode second in authorization terminal equipment.The processor 802 responds In received second scheduling authorization of the transceiver 801, obtains and need to eat dishes without rice or wine on path described second to the access Net at least one PDU to be sent sent, wherein eliminate described first at least one described PDU to be sent and send record The indicated PDU confirmed by the access net；The transceiver 801 processor 802 is obtained at least one is to be sent PDU eats dishes without rice or wine to be transferred to the access net on path described second.
In a kind of specific implementation, the processor 802 can be in the previous tune for responding second scheduling authorization The described second the second transmission record eated dishes without rice or wine on path is recorded in when degree authorization.To which the processor 802 can be according to described First, which sends record adjustment described second, sends record to obtain at least one described PDU to be sent.Specifically, first hair Record is sent to may include: the sequence number of the first PDU and eat dishes without rice or wine to send on path described first after the first PDU And not by it is described access net confirmation the sequence number of PDU and the sequence number of the 2nd PDU and after the 2nd PDU not In the sequence number that described first eats dishes without rice or wine the PDU sent on path；Wherein, the first PDU is to have eated dishes without rice or wine path described first Upper transmission and the last one PDU by the access net confirmation next PDU, the 2nd PDU is empty described first Next PDU of the last one PDU sent on mouth path, the sequence number of the first PDU are less than or equal to the sequence of the 2nd PDU Row number.It is described second send record may include: the sequence number of the 3rd PDU and after the 3rd PDU described second It is eating dishes without rice or wine to send on path and not by the sequence number of PDU of the access net confirmation and the sequence number of the 4th PDU and in institute State after the 4th PDU the sequence number for not eating dishes without rice or wine the PDU sent on path described second；Wherein, the 3rd PDU is in institute It states second to eat dishes without rice or wine next PDU send on path and the last one PDU by the access net confirmation, the 4th PDU is The next PDU for having eated dishes without rice or wine the last one PDU sent on path described second, the sequence number of the 3rd PDU are less than or equal to The sequence number of 4th PDU.
Record and second is sent based on above-mentioned first and sends record, and in a kind of implementation, the processor 802 specifically may be used With the sequence number of the first PDU be greater than the 3rd PDU sequence number, and be less than the 4th PDU sequence number when, will The corresponding PDU of sequence number between the sequence number and the sequence number of the first PDU of the 3rd PDU, and described After one PDU, it is described first send record instruction by it is described access net confirmation PDU discharged；By the 3rd PDU's Sequence number is adjusted to the sequence number of the first PDU；By at least one sequence number pair since the sequence number of the 4th PDU The PDU answered is determined as at least one described PDU to be sent.
Record and second is sent based on above-mentioned first and sends record, and another implementation, the processor 802 can also be with It, will be before the sequence number of the first PDU when the sequence number of the first PDU is greater than the sequence number of the 4th PDU The corresponding PDU of sequence number, and after the first PDU, it is described first send record instruction by the access net confirmation PDU discharged；The sequence number of the sequence number of 3rd PDU and the 4th PDU is adjusted to the sequence of the first PDU Number；The corresponding PDU of at least one sequence number since the sequence number of the 4th PDU is determined as to described at least one is pending Send PDU.
At least one from the access net may be had received before transceiver 801 receives second scheduling authorization Scheduling authorization, at least one described scheduling authorization can be eated dishes without rice or wine based on packet replication mode second for authorization terminal equipment Path transmission PDCP PDU, wherein include the total quantity for needing the PDU sent in each scheduling authorization.Therefore, the processor 802, it can also be existed before in response to received second scheduling authorization of the transceiver 801 according to the transceiver 801 Received from least one scheduling authorization described in access net before second scheduling authorization, prediction is described in the response Then the total quantity for needing to eat dishes without rice or wine the PDU sent on path described second when the second scheduling authorization is eated dishes without rice or wine road for described second Diameter pre-generates the PDU of the total quantity.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
When the method that embodiment provides is realized with software or hardware or software and hardware combining, corresponding device can be with Including multiple functional modules, each functional module may include software, hardware or its combination.Specifically, the device such as Fig. 9 institute Show, it can be so that in the terminal device.Mould is sent including the first sending module 901, the first sending module 902 and second Block 903, in which: the first sending module 901, for the first scheduling authorization in response to being netted from access, under packet replication mode First eat dishes without rice or wine the protocol Data Unit PDU for sending Packet Data Convergence Protocol PDCP on path to the access net, described the One scheduling authorization corresponds to described first and eats dishes without rice or wine path；First logging modle 902 is eated dishes without rice or wine path for being recorded in described first First send record；Second sending module 903, for the second scheduling authorization in response to being netted from the access, described Second under packet replication mode, which eats dishes without rice or wine, determines at least one PDU to be sent on path, wherein at least one described PDU to be sent In eliminate first logging modle 902 records described first send record it is indicated by the access net confirmation PDU, second scheduling authorization correspond to described second and eat dishes without rice or wine path；And it eats dishes without rice or wine on path described second to the access net Send at least one described PDU to be sent that the determining module determines.
Optionally, described device further includes the second logging modle 904；Second logging modle 904, for being recorded in State the second the second transmission record eated dishes without rice or wine on path；Second sending module 903, when determining at least one PDU to be sent, It is specifically used for: sends record according to described the first of first logging modle 902 record and adjust second logging modle 904 Described the second of record sends record to obtain at least one described PDU to be sent.
Specifically, it is described first send can recorde include: the sequence number of the first PDU and after the first PDU It is eating dishes without rice or wine to send on path and by the sequence of the sequence number of the PDU of the access net confirmation and the 2nd PDU described first Row number and the sequence number for not eating dishes without rice or wine the PDU sent on path described first after the 2nd PDU；Wherein, described first PDU is to have eated dishes without rice or wine next PDU send on path and the last one PDU by the access net confirmation described first, institute Stating the 2nd PDU is the next PDU for eating dishes without rice or wine the last one PDU sent on path described first, the sequence of the first PDU Number be less than or equal to the 2nd PDU sequence number；Described second to send record may include: the sequence number of the 3rd PDU and in institute State after the 3rd PDU it is eating dishes without rice or wine to send on path and by the sequence number of the PDU of the access net confirmation described second, And the 4th PDU sequence number and the sequence of not eating dishes without rice or wine the PDU sent on path described second after the 4th PDU Number；Wherein, the 3rd PDU be described second it is eating dishes without rice or wine to send on path and by the access net confirmation last Next PDU of a PDU, the 4th PDU are the next PDU for eating dishes without rice or wine the last one PDU sent on path described second, The sequence number of 3rd PDU is less than or equal to the sequence number of the 4th PDU.
Record and second, which is sent, based on above-mentioned first sends record, in a kind of implementation, second sending module 903 It specifically can be greater than the sequence number of the 3rd PDU in the sequence number of the first PDU, and be less than the sequence of the 4th PDU Number when, by sequence number between the sequence number of the 3rd PDU and the sequence number of the first PDU corresponding PDU, Yi Ji After first PDU, it is described first send record instruction by it is described access net confirmation PDU discharged；By described The sequence number of three PDU is adjusted to the sequence number of the first PDU；By at least one since the sequence number of the 4th PDU The corresponding PDU of sequence number is determined as at least one described PDU to be sent.
Record and second, which is sent, based on above-mentioned first sends record, another implementation, second sending module 903 Can also be when the sequence number of the first PDU be greater than the sequence number of the 4th PDU, it will be in the sequence number of the first PDU The corresponding PDU of sequence number before, and after the first PDU, it is described first send record instruction by the access The PDU of net confirmation is discharged；The sequence number of the sequence number of 3rd PDU and the 4th PDU is adjusted to the first PDU's Sequence number；By the corresponding PDU of at least one sequence number since the sequence number of the 4th PDU be determined as it is described at least one PDU to be sent.
Optionally, described device further includes pre-generatmg module 905；The pre-generatmg module 905, in second hair Send module 903 in response to from it is described access net the second scheduling authorization before, according to coming in second scheduling authorization From at least one scheduling authorization of the access net, prediction needs to eat dishes without rice or wine described second when responding second scheduling authorization The total quantity of the PDU sent on path, wherein at least one described scheduling authorization corresponds to described second and eats dishes without rice or wine path, and every It include the quantity for needing the PDU sent in a scheduling authorization；And the PDU for for described second eating dishes without rice or wine total quantity described in coordinates measurement.
It is schematical, only a kind of logical function partition to the division of module in the embodiment of the present application, it is practical to realize When there may be another division manner, in addition, each functional module in each embodiment of the application can integrate at one It manages in device, is also possible to physically exist alone, can also be integrated in two or more modules in a module.It is above-mentioned integrated Module both can take the form of hardware realization, can also be realized in the form of software function module.Wherein, integrated mould When block both can take the form of hardware realization, the first sending module 901, the first logging modle 902, the second sending module 903, Second logging modle 904 and the corresponding entity hardware of pre-generatmg module 905 can be processor 802.
The application be referring to according to the present processes, equipment (system) and computer program product flow chart and/or Block diagram describes.It should be understood that each process that can be realized by computer program instructions in flowchart and/or the block diagram and/or The combination of process and/or box in box and flowchart and/or the block diagram.It can provide these computer program instructions to arrive General purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one Machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for realizing flowing The device for the function of being specified in journey figure one process or multiple processes and/or block diagrams one box or multiple boxes.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.For example, for device embodiment, part treatment process can refer to before embodiment of the method. In this way, if these modifications and variations of the application belong within the scope of the claim of this application and its equivalent technologies, then originally Application is also intended to include these modifications and variations.

Claims (13)

1. a kind of uplink data transmission method, which is characterized in that the described method includes:
In response to the first scheduling authorization from access net, first under packet replication mode eats dishes without rice or wine on path to the access net The protocol Data Unit PDU of Packet Data Convergence Protocol PDCP is sent, first scheduling authorization corresponds to described first and eats dishes without rice or wine Path；
It is recorded in the described first the first transmission record eated dishes without rice or wine on path；
In response to the second scheduling authorization from the access net, determine that second under the packet replication mode is eated dishes without rice or wine on path At least one PDU to be sent, wherein eliminated at least one described PDU to be sent it is described first send record indicated by By the PDU of the access net confirmation, second scheduling authorization corresponds to described second and eats dishes without rice or wine path；
It eats dishes without rice or wine to send at least one described PDU to be sent to access net on path described second.
2. the method as described in claim 1, which is characterized in that at least one PDU to be sent of the determination includes: according to First sends record adjustment eats dishes without rice or wine second on path to send record described at least one is to be sent to obtain described second PDU。
3. method according to claim 2, which is characterized in that it is described first send record include: the first PDU sequence number and It is eating dishes without rice or wine to send on path and by the sequence of the PDU of the access net confirmation described first after the first PDU Number and the 2nd PDU sequence number and the sequence of not eating dishes without rice or wine the PDU sent on path described first after the 2nd PDU Row number；Wherein, the first PDU is eating dishes without rice or wine to send on path and by the last of the access net confirmation described first Next PDU of one PDU, the 2nd PDU are to have eated dishes without rice or wine the next of the last one PDU sent on path described first The sequence number of PDU, the first PDU are less than or equal to the sequence number of the 2nd PDU；
Described second sends the sequence number that record includes: the 3rd PDU and eats dishes without rice or wine road described second after the 3rd PDU It is being sent on diameter and not by the sequence number of PDU and the sequence number of the 4th PDU and the described 4th of the access net confirmation The sequence number for not eating dishes without rice or wine the PDU sent on path described second after PDU；Wherein, the 3rd PDU is described second Eat dishes without rice or wine next PDU send on path and the last one PDU by the access net confirmation, and the 4th PDU is in institute State the second next PDU for eating dishes without rice or wine the last one PDU sent on path, the sequence number of the 3rd PDU is less than or equal to described the The sequence number of four PDU.
4. method as claimed in claim 3, which is characterized in that described to send record adjustment described second according to described first It eats dishes without rice or wine second on path to send record and to obtain at least one PDU to be sent include:
When being greater than the sequence number of the 3rd PDU in the sequence number of the first PDU, and being less than the sequence number of the 4th PDU, By the corresponding PDU of sequence number between the sequence number of the 3rd PDU and the sequence number of the first PDU, and described After first PDU, it is described first send record instruction by it is described access net confirmation PDU discharged；
The sequence number of 3rd PDU is adjusted to the sequence number of the first PDU；
By the corresponding PDU of at least one sequence number since the sequence number of the 4th PDU be determined as it is described at least one wait for Send PDU.
5. method as claimed in claim 3, which is characterized in that described to send record adjustment described second according to described first It eats dishes without rice or wine second on path to send record and to obtain at least one PDU to be sent include:
The first PDU sequence number be greater than the 4th PDU sequence number when, by the sequence number of the first PDU it The corresponding PDU of preceding sequence number, and after the first PDU, it is described first send record instruction by the access net The PDU of confirmation is discharged；
The sequence number of the sequence number of 3rd PDU and the 4th PDU is adjusted to the sequence number of the first PDU；
By the corresponding PDU of at least one sequence number since the sequence number of the 4th PDU be determined as it is described at least one wait for Send PDU.
6. such as method described in any one of claim 1 to 5, which is characterized in that determining the under the packet replication mode Before two at least one PDU to be sent to eat dishes without rice or wine on path, further includes: according to being come from before second scheduling authorization At least one scheduling authorization of net is accessed, prediction needs to eat dishes without rice or wine on path described second when responding second scheduling authorization The total quantity of the PDU of transmission, wherein at least one described scheduling authorization corresponds to described second and eats dishes without rice or wine path, and each scheduling It include the quantity for needing the PDU sent in authorization；
The PDU for eating dishes without rice or wine total quantity described in coordinates measurement for described second, the determination are second empty under the packet replication mode At least one PDU to be sent on mouth path is the PDU based on the total quantity.
7. a kind of uplink data transmission equipment characterized by comprising
Transceiver, for receiving the first scheduling authorization for accessing hair off the net, first scheduling authorization corresponds to packet replication mode Under first eat dishes without rice or wine path；
Processor, in response to received first scheduling authorization of the transceiver, by the transceiver described the One, which eats dishes without rice or wine, nets the protocol Data Unit PDU for sending Packet Data Convergence Protocol PDCP to the access on path；
The processor is also used to be recorded in the described first the first transmission record eated dishes without rice or wine on path；
The transceiver, is also used to receive the second scheduling authorization of the access hair off the net, and second scheduling authorization corresponds to Second under the packet replication mode eats dishes without rice or wine path；
The processor is also used to determine empty described second in response to received second scheduling authorization of the transceiver At least one PDU to be sent on mouth path, wherein eliminate described first at least one described PDU to be sent and send note The indicated PDU confirmed by the access net of record；
The processor, be also used to by the transceiver described second eat dishes without rice or wine on path to access net send it is described extremely A few PDU to be sent.
8. equipment as claimed in claim 7, which is characterized in that the processor is also used to be recorded in described second and eats dishes without rice or wine road Second on diameter sends record,
And when determining at least one PDU to be sent, according to it is described first send record adjustment it is described second send record come To at least one described PDU to be sent.
9. equipment as claimed in claim 8, which is characterized in that it is described first send record include: the first PDU sequence number and It is eating dishes without rice or wine to send on path and by the sequence of the PDU of the access net confirmation described first after the first PDU Number and the 2nd PDU sequence number and the sequence of not eating dishes without rice or wine the PDU sent on path described first after the 2nd PDU Row number；Wherein, the first PDU is eating dishes without rice or wine to send on path and by the last of the access net confirmation described first Next PDU of one PDU, the 2nd PDU are to have eated dishes without rice or wine the next of the last one PDU sent on path described first The sequence number of PDU, the first PDU are less than or equal to the sequence number of the 2nd PDU；
Described second sends the sequence number that record includes: the 3rd PDU and eats dishes without rice or wine road described second after the 3rd PDU It is being sent on diameter and not by the sequence number of PDU and the sequence number of the 4th PDU and the described 4th of the access net confirmation The sequence number for not eating dishes without rice or wine the PDU sent on path described second after PDU；Wherein, the 3rd PDU is described second Eat dishes without rice or wine next PDU send on path and the last one PDU by the access net confirmation, and the 4th PDU is in institute State the second next PDU for eating dishes without rice or wine the last one PDU sent on path, the sequence number of the 3rd PDU is less than or equal to described the The sequence number of four PDU.
10. equipment as claimed in claim 9, which is characterized in that the processor is sending record adjustment according to described first Described second sends record to be specifically used for when obtaining at least one described PDU to be sent:
When being greater than the sequence number of the 3rd PDU in the sequence number of the first PDU, and being less than the sequence number of the 4th PDU, By the corresponding PDU of sequence number between the sequence number of the 3rd PDU and the sequence number of the first PDU, and described After first PDU, it is described first send record instruction by it is described access net confirmation PDU discharged；
The sequence number of 3rd PDU is adjusted to the sequence number of the first PDU；
By the corresponding PDU of at least one sequence number since the sequence number of the 4th PDU be determined as it is described at least one wait for Send PDU.
11. equipment as claimed in claim 9, which is characterized in that the processor is sending record adjustment according to described first Described second sends record to be specifically used for when obtaining at least one described PDU to be sent:
The first PDU sequence number be greater than the 4th PDU sequence number when, by the sequence number of the first PDU it The corresponding PDU of preceding sequence number, and after the first PDU, it is described first send record instruction by the access net The PDU of confirmation is discharged；
The sequence number of the sequence number of 3rd PDU and the 4th PDU is adjusted to the sequence number of the first PDU；
By the corresponding PDU of at least one sequence number since the sequence number of the 4th PDU be determined as it is described at least one wait for Send PDU.
12. such as the described in any item equipment of claim 7 to 11, which is characterized in that the processor is also used to:
Before determining second at least one PDU to be sent to eat dishes without rice or wine on path under the packet replication mode, according to described Transceiver received at least one scheduling authorization from the access net, prediction before second scheduling authorization are responding The total quantity for needing to eat dishes without rice or wine the PDU sent on path described second when second scheduling authorization, wherein it is described at least one Scheduling authorization corresponds to described second and eats dishes without rice or wine path, and includes the quantity for needing the PDU sent in each scheduling authorization；
And the PDU for for described second eating dishes without rice or wine total quantity described in coordinates measurement, the determination under the packet replication mode second At least one eated dishes without rice or wine on path PDU to be sent is the PDU based on the total quantity.
13. a kind of computer readable storage medium, which is characterized in that store program, institute in the computer readable storage medium Method as claimed in any one of claims 1 to 6 can be realized when being read and executed by one or more processors by stating program.
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