CN108418661A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN108418661A CN108418661A CN201710071521.XA CN201710071521A CN108418661A CN 108418661 A CN108418661 A CN 108418661A CN 201710071521 A CN201710071521 A CN 201710071521A CN 108418661 A CN108418661 A CN 108418661A
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- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of data transmission method and devices.Wherein, this method includes：The user equipment (UE) of an inactive state obtains Downlink Control Information DCI using specified radio network temporary identifier RNTI values；The UE receives the data packet that base station is sent according to the DCI.Through the invention, it solves the problems, such as effectively carry out the downlink data transmission caused by upstream data in an inactive state in the related technology, has reached the technique effect of the high efficiency of transmission of downlink data.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of data transmission method and device.
Background technology
Third generation partner program (the 3rd Generation Partner Project, referred to as 3GPP) just
Very high want is proposed to control plane time delay in the 5th third-generation mobile communication technology (5th Generation, referred to as 5G) of research
It asks, it is desirable that user equipment (User Equipment, referred to as UE) can enter connected state in 10ms time ranges, and start to send out
Send data.But in traditional long term evolution (Long Term Evolution, referred to as LTE) system, from Idle state to connection
State needs to undergo initial random access, and connection is established, many processes such as registration authentication, this so that UE is difficult to enter to connect in 10ms
Connect state.In order to overcome this problem, 3GPP introduces a new UE state, inactive (inactive) state.When UE is from even
When connecing state into the state, the anchor base station (anchor eNB) and core net of user's initial connection can safeguard always the user
Compose a piece of writing in all connections configuration and processing so that user only need in the air interface it is complete by the similar simple procedure of random access
It can be directly entered connected state at eating dishes without rice or wine to match to postpone.Meanwhile for power saving, UE will not configure physical uplink in an inactive state
Link control channel (Physical Uplink Control Channel, referred to as PUCCH) and detection (sounding) money
Source, and use the measurement similar with idle state and cell selection strategy.So the user of an inactive state moves in macrocell
Uplink synchronous may be lost in the process, i.e. uplink sends Timing Advance (Timing advance) meeting used due to movement
And it cannot reuse, it is necessary to which time advance measurement is re-started by random access or similar process.
Many applications are other than the mass data of short time is sent, and there is also background service streams.Such Business Stream is general
The frequency of transmission data packet is relatively low, and data packet is smaller.For these background services, if in the UE energy of an inactive state
It supports immediate data transmission, i.e., need not be transferred to the transmission that connected state can be carried out low volume data, then can further save
The signaling overheads of UE and power consumption.So how to support that the immediate data transmission of an inactive state user is one in LTE system
Good problem to study.In the discussion of current 3GPP, unauthorized transmission may be used in the transmission of uplink immediate data, i.e. base station is straight
It connects and a part of radio resource is marked into transmission dedicated for uplink small data, this part resource can be allocated to some
UE is special, can also be to distribute to the shared progress transmitting uplink datas of multiple UE；The transmission of downlink immediate data, which may be used, is seeking
Exhale the pattern for carrying small data in message secretly.
In some cases, unauthorized uplink immediate data is transmitted, base station needs to return to an ACK
(ACKnowledgement) message tells that the upstream data has had successfully received user.In addition, corresponding certain applications, receiving terminal
Some data packets may be returned immediately after receiving the upstream data of UE.Therefore, under an inactive state caused by uplink
The transmission of row immediate data is very universal.In this case, before due to downlink data transmission, base station has had received uplink
Data packet, so base station knows the UE just in its coverage area.In this case, the method for some optimizations may be used to send out
Send downlink data.
For in the related technology, the downlink data transmission caused by upstream data can not be effectively carried out in an inactive state
Problem not yet proposes effective solution scheme.
Invention content
An embodiment of the present invention provides a kind of data transmission method and device, at least solve in the related technology can not be non-
Active state effectively carries out caused by upstream data the problem of downlink data transmission.
According to one embodiment of present invention, a kind of data transmission method is provided, including：The user of an inactive state sets
Standby UE obtains Downlink Control Information DCI using specified radio network temporary identifier RNTI values；The UE is received according to the DCI
The data packet that base station is sent.
Optionally, the specified RNTI values by radio resource used in the UE uplink it is following at least it
One determines：Time-domain position, frequency domain position.
Optionally, the DCI includes at least one of：Whether UE is in the information of an inactive state, whether UE is in
The information of connection status.
Optionally, in the case where the UE does not receive the data packet of base station transmission according to the DCI, further include：Institute
It states UE and upstream data is retransmitted using unauthorized resource according to unauthorized transmission message, wherein the unauthorized transmission packet includes
At least one of：The radio resource location information of unauthorized transmission, the adjustment encoding selection information of unauthorized transmission are unauthorized
The downlink of the uplink power control information of transmission, unauthorized transmission responds used RNTI value informations, the weight of unauthorized transmission
Send out stand-by period, the physical downlink control channel PDCCH listening period of unauthorized transmission.
Optionally, described unauthorized at least one following manner that transmits a message through determines：Broadcast channel, inactive UE are special
Broadcast channel, dedicated radio resource control RRC signaling.
Optionally, the data packet is made of at least one of：Length Indication, UE ID, ACK information, data information,
Cyclic redundancy check (CRC) information.
Optionally, the cyclic redundancy check (CRC) information includes at least one of：To including the entire of different UE data
Downlink data block carries out the check code of CRC check；The data portion of different UE is provided separately the check code of CRC check.
According to one embodiment of present invention, a kind of data transmission method is provided, including：It is sent out to user equipment (UE) base station
Downlink Control Information DCI is sent, so that the UE receives the data packet that base station is sent according to the DCI；Wherein, the DCI is logical
Specified radio network temporary identifier RNTI is crossed to be worth to.
Optionally, the specified RNTI values by radio resource used in the UE uplink it is following at least it
One determines：Time-domain position, frequency domain position.
According to another embodiment of the invention, a kind of data transmission device is provided, including：Acquisition module, for making
Downlink Control Information DCI is obtained with specified radio network temporary identifier RNTI values；Receiving module, for being connect according to the DCI
Receive the data packet that base station is sent.
Optionally, the specified RNTI values by radio resource used in the UE uplink it is following at least it
One determines：Time-domain position, frequency domain position.
Optionally, the DCI includes at least one of：Whether UE is in the information of an inactive state, whether UE is in
The information of connection status.
Optionally, described device further includes：Sending module is sent out for not receiving base station according to the DCI in the UE
In the case of the data packet sent, upstream data is retransmitted using unauthorized resource according to unauthorized transmission message, wherein described non-to award
Power transmission packet includes at least one of：The radio resource location information of unauthorized transmission, the adjustment coding of unauthorized transmission
Information, the downlink of the uplink power control information of unauthorized transmission, unauthorized transmission is selected to respond used RNTI value informations,
The repeating transmission stand-by period of unauthorized transmission, the physical downlink control channel PDCCH listening period of unauthorized transmission.
Optionally, described unauthorized at least one following manner that transmits a message through determines：Broadcast channel, inactive UE are special
Broadcast channel, dedicated radio resource control RRC signaling.
Optionally, the data packet is made of at least one of：Length Indication, UE ID, ACK information, data information,
Cyclic redundancy check (CRC) information.
Optionally, the cyclic redundancy check (CRC) information includes at least one of：To including the entire of different UE data
Downlink data block carries out the check code of CRC check；The data portion of different UE is provided separately the check code of CRC check.
According to another embodiment of the invention, a kind of data transmission device is provided, including：Sending module, for
User equipment (UE) sends Downlink Control Information DCI, so that the UE receives the data packet that base station is sent according to the DCI；Wherein,
The DCI is worth to by specified radio network temporary identifier RNTI.
Optionally, the specified RNTI values by radio resource used in the UE uplink it is following at least it
One determines：Time-domain position, frequency domain position.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set as storage and uses
In the program code for executing following steps：
The user equipment (UE) of an inactive state obtains downlink control letter using specified radio network temporary identifier RNTI values
Cease DCI；The UE receives the data packet that base station is sent according to the DCI.
Optionally, storage medium is also configured to store the program code for executing following steps：Base station is to user equipment
UE sends Downlink Control Information DCI, so that the UE receives the data packet that base station is sent according to the DCI；Wherein, the DCI
It is to be worth to by specified radio network temporary identifier RNTI.
Through the invention, the user equipment (UE) of an inactive state is obtained using specified radio network temporary identifier RNTI values
Downlink Control Information DCI；The UE receives the data packet that base station is sent according to the DCI, and solving in the related technology can not be non-live
Jump state effectively carries out the problem of downlink data transmission, having reached the skill of the high efficiency of transmission of downlink data caused by upstream data
Art effect.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of hardware block diagram of the mobile terminal of data transmission method of the embodiment of the present invention；
Fig. 2 is data transmission method flow chart according to the ... of the embodiment of the present invention；
Fig. 3 is that inactive states UE according to the ... of the embodiment of the present invention carries out upstream data transmission and uses public RNTI values
Receive downlink ACK or the flow chart of data；
Fig. 4 is the flow chart that inactive states UE according to the ... of the embodiment of the present invention carries out upstream data repeating transmission；
Fig. 5 is that all inactive states UE share CRC check in same downlink data block according to the ... of the embodiment of the present invention
The downstream data format schematic diagram of code；
Fig. 6 be in same downlink data block according to the ... of the embodiment of the present invention difference inactive states UE using different
The downstream data format of cyclic redundancy check is illustrated；
Fig. 7 is the downstream data format schematic diagram according to the ... of the embodiment of the present invention for supporting different length；
Fig. 8 is the structure diagram of data transmission device according to the ... of the embodiment of the present invention；
Fig. 9 is the structure diagram (one) of data transmission device according to the ... of the embodiment of the present invention；
Figure 10 is another data transmission method flow chart according to the ... of the embodiment of the present invention；
Figure 11 is the structure diagram of another data transmission device according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.
Embodiment 1
The embodiment of the method that the embodiment of the present application 1 is provided can be in mobile terminal, terminal or similar fortune
It calculates and is executed in device.For running on mobile terminals, Fig. 1 is a kind of movement of data transmission method of the embodiment of the present invention
The hardware block diagram of terminal.As shown in Figure 1, mobile terminal 10 may include at one or more (only showing one in Fig. 1)
(processor 102 can include but is not limited to the processing dress of Micro-processor MCV or programmable logic device FPGA etc. to reason device 102
Set), memory 104 for storing data and the transmitting device 106 for communication function.Those of ordinary skill in the art
It is appreciated that structure shown in FIG. 1 is only to illustrate, the structure of above-mentioned electronic device is not caused to limit.For example, mobile whole
End 10 may also include than shown in Fig. 1 more either less components or with the configuration different from shown in Fig. 1.
Memory 104 can be used for storing the software program and module of application software, such as the data in the embodiment of the present invention
Corresponding program instruction/the module of transmission method, processor 102 by operation be stored in software program in memory 104 and
Module realizes above-mentioned method to perform various functions application and data processing.Memory 104 may include high speed with
Machine memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other it is non-easily
The property lost solid-state memory.In some instances, memory 104 can further comprise remotely located relative to processor 102 deposit
Reservoir, these remote memories can pass through network connection to mobile terminal 10.The example of above-mentioned network is including but not limited to mutual
Networking, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to receive via a network or transmission data.Above-mentioned network specific example may include
The wireless network that the communication providers of mobile terminal 10 provide.In an example, transmitting device 106 includes a Network adaptation
Device (Network Interface Controller, NIC), can be connected with other network equipments by base station so as to it is mutual
Networking is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, use
In wirelessly being communicated with internet.
A kind of data transmission method running on above-mentioned mobile terminal is provided in the present embodiment, and Fig. 2 is according to this hair
The data transmission method flow chart of bright embodiment, as shown in Fig. 2, the flow includes the following steps：
The user equipment (UE) of step S202, an inactive state use under specified radio network temporary identifier RNTI values acquisition
Row control information DCI；
Step S204, the UE receive the data packet that base station is sent according to the DCI.
Optionally, the application scenarios of above-mentioned data transmission method include but is not limited to：Long term evolution (Long-Term
Evolution, referred to as LTE) in system, under the application scenarios, the user equipment (UE) of an inactive state uses specified nothing
Line Network Temporary Identifier RNTI values obtain Downlink Control Information DCI, which receives the data packet that base station is sent, solution according to the DCI
It has determined and can not reach the problem of an inactive state effectively carries out the downlink data transmission caused by upstream data in the related technology
The technique effect of the high efficiency of transmission of downlink data.
With reference to specific example, the present embodiment is illustrated.
The technical problem to be solved by the present invention is to：How in the case where an inactive state effectively carries out caused by upstream data
Row data transmission.The present invention proposes thus：The UE of an inactive state uses public radio network temporary identifier (Radio
Network Tempory Identity, referred to as RNTI) directly from Physical Downlink Control Channel (Physical Downlink
Control Channel, referred to as PDCCH) in obtain receive downlink data needed for Downlink Control Information (Downlink
Control information, referred to as DCI), then UE directly receives base station under physics according to above-mentioned Downlink Control Information
The data packet sent in the shared channel (Physical Downlink Shared Channel, referred to as PDSCH) of row, and keep
In an inactive state.
Optionally, the information of above-mentioned specific RNTI can be provided by agreement, can also be in system information block
UE is passed in (System Information Blocks, referred to as SIB) message.Optionally, above-mentioned specific RNTI can be with
It is shared by the UE of multiple or all an inactive state.It optionally, can be according to radio resource used in UE uplink
Time domain and/or frequency domain position determine above-mentioned specific RNTI.Optionally, specific RNTI deciding means can be advised by agreement
It is fixed, or indicated in system broadcast message.Optionally, the information of above-mentioned specific RNTI can be original with LTE system
RA-RNTI information is the same.At this moment, base station only need to indicate in broadcast message above-mentioned specific RNTI information whether and RA-
RNTI information is the same.
Optionally, UE does not receive the ACK and/or follow-up data of base station within certain time, and UE is according to above-mentioned non-
Transmission information is authorized to retransmit above-mentioned upstream data using unauthorized resource.Optionally, UE starts one after sending upstream data
A retransmission timer, does not still receive the ACK information and/or follow-up data of base station such as after the timer expiry, and UE is retransmitted
Above-mentioned upstream data.
Since the UE of all inactive demodulates downlink data using public RNTI, so base station must be in downlink data
The target user of middle the sent out data of mark.The data packet format of specific each UE can include below one or more：It is long
Degree instruction, UE ID, ACK information, data information, CRC check information.Optionally, base station can be provided to comprising different user number
According to entire downlink data block carry out CRC check cyclic redundancy check.Optionally, base station can be to the data portion of different user
Cyclic redundancy check is provided separately.
Optionally, the follow-up ACK information of downlink data and/or follow-up data can be by unauthorized sending methods in base station
It is sent in the unauthorized transmission resource of broadcast.Optionally, the follow-up ACK information of downlink data and/or follow-up data can be with
The subsequent upstream radio resource configured in downlink data part by base station is sent.
By the above method, the UE of an inactive state directly obtains downlink data using public RNTI from PDCCH
Downlink Control Information (DCI), the data packet that then UE is directly sent according to Downlink Control Information reception base station in PDSCH, and
It is maintained at an inactive state.In this way, the UE of an inactive state does not have to the frequent switching between connected state and inactive state, save
Many signaling overheadss.Correspondingly, the power consumption of the UE of an inactive state decreases.
In one optionally embodiment, above-mentioned specified RNTI values used in the UE uplink by wirelessly providing
At least one of in source determines：Time-domain position, frequency domain position.
Above-mentioned DCI includes at least one of：Whether UE is in whether the information of an inactive state, UE are in connection status
Information.
Optionally, further include following step in the case where the UE does not receive the data packet of base station transmission according to the DCI
Suddenly：
Step S11, UE retransmit upstream data according to unauthorized transmission message using unauthorized resource, wherein this is unauthorized
Transmission packet includes at least one of：The radio resource location information of unauthorized transmission, the adjustment coding choosing of unauthorized transmission
Information is selected, the downlink of the uplink power control information of unauthorized transmission, unauthorized transmission responds used RNTI value informations, non-
Authorize the repeating transmission stand-by period sent, the physical downlink control channel PDCCH listening period of unauthorized transmission.
It should be noted that above-mentioned unauthorized at least one following manner that transmits a message through determines：It is broadcast channel, non-live
Jump the dedicated broadcast channels of UE, dedicated radio resource control RRC signaling.
In one optionally embodiment, above-mentioned data packet is made of at least one of：Length Indication, UE ID,
ACK information, data information, cyclic redundancy check (CRC) information.
Optionally, above-mentioned cyclic redundancy check (CRC) information includes at least one of：To including the entire of different UE data
Downlink data block carries out the check code of CRC check；The data portion of different UE is provided separately the check code of CRC check.
With reference to specific example, the present embodiment is illustrated.
Fig. 3 is that inactive states UE according to the ... of the embodiment of the present invention carries out upstream data transmission and uses public RNTI values
Receive downlink ACK or the flow chart of data.As shown in figure 3, itself the specific implementation process is as follows：
Step S301 monitors the unauthorized transmission information of base station transmission into the user of inactive (inactive) state.
The information may include the one or more of the following contents：The radio resource location information of unauthorized transmission, unauthorized transmission
Adjust encoding selection information, the uplink power control information of unauthorized transmission, used in the downlink of unauthorized transmission is responded
RNTI value informations, the repeating transmission stand-by period of unauthorized transmission, follow-up PDCCH listening periods of unauthorized transmission etc..Optionally, should
Information can be sent by broadcast channel.Optionally, which can be sent by the dedicated broadcast channels of Inactive UE.
Optionally, which can also notify UE before UE enters inactive states by dedicated RRC signaling.
Step S302, UE send upstream data according to above-mentioned unauthorized transmission information using unauthorized resource.
Step S303, base station determine subsequently to send public DCI information when institute according to the ascending resource position for receiving UE data
The RNTI values used, and send DCI message.Optionally, the information of User Status can also be included in above-mentioned Downlink Control Information.
Optionally, the information of an inactive state whether can be in above-mentioned Downlink Control Information comprising user.Optionally, downlink control is stated
Can include the information whether user is in connection status in information processed.Optionally, the information of above-mentioned specific RNTI can lead to
It crosses agreement to be provided, can also be to pass to UE in SIB message.Optionally, above-mentioned specific RNTI can by multiple or
The UE of all an inactive state is shared.Optionally, can according to the time domain of radio resource used in UE uplink and/or
Frequency domain position determines above-mentioned specific RNTI.Optionally, specific RNTI deciding means can be provided by agreement, or in system
It is indicated in broadcast message.Optionally, the RA-RNTI information that the information of above-mentioned specific RNTI can be original with LTE system
Equally.At this moment, base station only need to indicate in broadcast message above-mentioned specific RNTI information whether with RA-RNTI information one
Sample.
Step S304, user receive the ACK information and/or follow-up data of base station according to above-mentioned DCI information, and still maintain
Inactive states.
Fig. 4 is the flow chart that inactive states UE according to the ... of the embodiment of the present invention carries out upstream data repeating transmission.Such as Fig. 4 institutes
Show, the specific implementation process is as follows：
Step S401 monitors the unauthorized transmission information of base station transmission into the user of inactive (inactive) state.
The information may include the one or more of the following contents：The radio resource location information of unauthorized transmission, unauthorized transmission
Adjust encoding selection information, the uplink power control information of unauthorized transmission, used in the downlink of unauthorized transmission is responded
RNTI value informations, the repeating transmission stand-by period of unauthorized transmission, follow-up PDCCH listening periods of unauthorized transmission etc..Optionally, should
Information can be sent by broadcast channel.Optionally, which can be sent by the dedicated broadcast channels of Inactive UE.
Optionally, which can also notify UE before UE enters inactive states by dedicated RRC signaling.
Step S402, UE send upstream data according to above-mentioned unauthorized transmission information using unauthorized resource.
Step S403, UE do not receive the ACK and/or follow-up data of base station within certain time, and UE is according to above-mentioned
Unauthorized transmission information retransmits above-mentioned upstream data using unauthorized resource.Optionally, above-mentioned time range can be unauthorized
The repeating transmission stand-by period of transmission or the follow-up PDCCH listening periods of unauthorized transmission etc..Optionally, UE is sending upstream data
Start a retransmission timer later, does not still receive the ACK information of base station and/or follow-up number after the timer expiry such as
According to UE retransmits above-mentioned upstream data.
Fig. 5 is that all inactive states UE share CRC check in same downlink data block according to the ... of the embodiment of the present invention
The downstream data format schematic diagram of code.As shown in figure 5, the data packet of different target UE includes two parts：The parts UE ID；ACK and
Subsequent data aspect.The data packet of different target UE A and UE B are combined, and share the same cyclic redundancy check to carry out CRC
Verification.
Fig. 6 be in same downlink data block according to the ... of the embodiment of the present invention difference inactive states UE using different
The downstream data format schematic diagram of cyclic redundancy check.As shown in fig. 6, the data packet of different target UE includes three parts：The portions UE ID
Point；ACK and subsequent data aspect, individual cyclic redundancy check.Although the data packet of different target UE A and UE B are combined hair
It send, but difference UE carries out CRC check using different cyclic redundancy checks.
Fig. 7 is the downstream data format schematic diagram according to the ... of the embodiment of the present invention for supporting different length.As shown in fig. 7, not
Data packet with target UE includes three parts：Data packet length indicates；The parts UE ID；ACK and subsequent data aspect, individually
Cyclic redundancy check.Although the data packet of different target UE A and UE B are combined transmission, but difference UE uses the different schools CRC
Code is tested to carry out CRC check.Also, the data packet length of difference UE can be different, and are indicated in Length Indication region.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 2
A kind of data transmission device is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably
Mode is applied, repeating no more for explanation had been carried out.As used below, the soft of predetermined function may be implemented in term " module "
The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Fig. 8 is the structure diagram of data transmission device according to the ... of the embodiment of the present invention, as shown in figure 8, the device is applied to
User equipment, including：
1) acquisition module 82, for obtaining Downlink Control Information DCI using specified radio network temporary identifier RNTI values；
2) receiving module 84, for receiving the data packet that base station is sent according to the DCI.
Optionally, the application scenarios of above-mentioned data transmission device include but is not limited to：Long term evolution (Long-Term
Evolution, referred to as LTE) in system, under the application scenarios, the user equipment (UE) of an inactive state uses specified nothing
Line Network Temporary Identifier RNTI values obtain Downlink Control Information DCI, which receives the data packet that base station is sent, solution according to the DCI
It has determined and can not reach the problem of an inactive state effectively carries out the downlink data transmission caused by upstream data in the related technology
The technique effect of the high efficiency of transmission of downlink data.
In one optionally embodiment, above-mentioned specified RNTI values used in the UE uplink by wirelessly providing
At least one of in source determines：Time-domain position, frequency domain position.
Fig. 9 is the structure diagram (one) of data transmission device according to the ... of the embodiment of the present invention, as shown in figure 9, the device removes
Including outside module shown in Fig. 8 further includes：
1) sending module 92, for the UE according to the DCI do not receive base station transmission data packet in the case of, according to
Unauthorized transmission message using unauthorized resource retransmit upstream data, wherein the unauthorized transmission packet include it is following at least it
One：The radio resource location information of unauthorized transmission, the adjustment encoding selection information of unauthorized transmission, the uplink of unauthorized transmission
Power control information, the used RNTI value informations of downlink response of unauthorized transmission, the repeating transmission stand-by period of unauthorized transmission,
The physical downlink control channel PDCCH listening period of unauthorized transmission.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this：Above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with arbitrary
The form of combination is located in different processors.
Embodiment 3
A kind of data transmission method is additionally provided in the present embodiment, and Figure 10 is another data according to the ... of the embodiment of the present invention
Transmission method flow chart, as shown in Figure 10, the flow include the following steps：
Step S1002, base station send Downlink Control Information DCI to user equipment (UE), so that the UE receives base according to the DCI
Stand send data packet；Wherein, which be worth to by specified radio network temporary identifier RNTI.
Optionally, the reference scene of above-mentioned data transmission method includes but is not limited to：Long term evolution (Long-Term
Evolution, referred to as LTE) in system, under the application scenarios, base station sends Downlink Control Information to user equipment (UE)
DCI, so that the UE receives the data packet that base station is sent according to the DCI；Wherein, which is interim by specified wireless network
Mark RNTI is worth to, and the lower line number caused by upstream data can not effectively be carried out in an inactive state in the related technology by solving
The problem of according to transmission, the technique effect of the high efficiency of transmission of downlink data is reached.
Optionally, at least one of that above-mentioned specified RNTI values pass through radio resource used in the UE uplink
It determines：Time-domain position, frequency domain position.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 4
A kind of data transmission device is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably
Mode is applied, repeating no more for explanation had been carried out.As used below, the soft of predetermined function may be implemented in term " module "
The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Figure 11 is the structure diagram of another data transmission device according to the ... of the embodiment of the present invention, as shown in figure 11, the device
Applied to base station, including：
1) sending module 1102, for sending Downlink Control Information DCI to user equipment (UE), so that the UE is according to the DCI
Receive the data packet that base station is sent；Wherein, which be worth to by specified radio network temporary identifier RNTI.
Optionally, the reference scene of above-mentioned data transmission method includes but is not limited to：Long term evolution (Long-Term
Evolution, referred to as LTE) in system, under the application scenarios, base station sends Downlink Control Information to user equipment (UE)
DCI, so that the UE receives the data packet that base station is sent according to the DCI；Wherein, which is interim by specified wireless network
Mark RNTI is worth to, and the lower line number caused by upstream data can not effectively be carried out in an inactive state in the related technology by solving
The problem of according to transmission, the technique effect of the high efficiency of transmission of downlink data is reached.
Optionally, at least one of that above-mentioned specified RNTI values pass through radio resource used in the UE uplink
It determines：Time-domain position, frequency domain position.
Embodiment 5
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps：
S1, the user equipment (UE) of an inactive state obtain downlink using specified radio network temporary identifier RNTI values and control
Information DCI；
S2, the UE receive the data packet that base station is sent according to the DCI.
Optionally, storage medium is also configured to store the program code for executing following steps：
S3, base station send Downlink Control Information DCI to user equipment (UE), are sent so that the UE receives base station according to the DCI
Data packet；Wherein, which be worth to by specified radio network temporary identifier RNTI.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
The various media that can store program code such as CD.
Optionally, in the present embodiment, processor executes above-mentioned steps according to stored program code in storage medium
S1、S2。
Optionally, in the present embodiment, processor executes above-mentioned steps according to stored program code in storage medium
S3。
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of data transmission method, which is characterized in that including：
The user equipment (UE) of an inactive state obtains Downlink Control Information using specified radio network temporary identifier RNTI values
DCI；
The UE receives the data packet that base station is sent according to the DCI.
2. according to the method described in claim 1, it is characterized in that, the specified RNTI values pass through the UE uplink institute
At least one of of the radio resource used determines：Time-domain position, frequency domain position.
3. according to the method described in claim 1, it is characterized in that, the DCI includes at least one of：
Whether UE is in the information whether information of an inactive state, UE are in connection status.
4. according to the method described in claim 1, being sent it is characterized in that, not receiving base station according to the DCI in the UE
Data packet in the case of, further include：
The UE retransmits upstream data according to unauthorized transmission message using unauthorized resource,
Wherein, the unauthorized transmission packet includes at least one of：The radio resource location information of unauthorized transmission, it is non-to award
The adjustment encoding selection information sent is weighed, the downlink of the uplink power control information of unauthorized transmission, unauthorized transmission responds institute
The RNTI value informations used, the repeating transmission stand-by period of unauthorized transmission, the physical downlink control channel PDCCH prison of unauthorized transmission
Listen the time.
5. according to the method described in claim 4, it is characterized in that, it is described it is unauthorized transmit a message through following manner at least it
One determines：
Broadcast channel, the dedicated broadcast channels of inactive UE, dedicated radio resource control RRC signaling.
6. according to the method described in claim 1, it is characterized in that, the data packet is made of at least one of：
Length Indication, UE ID, ACK information, data information, cyclic redundancy check (CRC) information.
7. according to the method described in claim 6, it is characterized in that, the cyclic redundancy check (CRC) information include it is following at least
One of：
The check code of CRC check is carried out to the entire downlink data block comprising different UE data；To the data portion list of different UE
The check code of CRC check is solely provided.
8. a kind of data transmission method, which is characterized in that including：
Base station sends Downlink Control Information DCI to user equipment (UE), so that the UE receives the number that base station is sent according to the DCI
According to packet；
Wherein, the DCI is worth to by specified radio network temporary identifier RNTI.
9. according to the method described in claim 8, it is characterized in that, the specified RNTI values pass through the UE uplink institute
At least one of of the radio resource used determines：Time-domain position, frequency domain position.
10. a kind of data transmission device is applied to user equipment, which is characterized in that including：
Acquisition module, for obtaining Downlink Control Information DCI using specified radio network temporary identifier RNTI values；
Receiving module, for receiving the data packet that base station is sent according to the DCI.
11. device according to claim 10, which is characterized in that the specified RNTI values pass through the UE uplink
At least one of of used radio resource determines：Time-domain position, frequency domain position.
12. device according to claim 10, which is characterized in that described device further includes：
Sending module, in the case where the UE does not receive the data packet of base station transmission according to the DCI, being awarded according to non-
Power sends message and retransmits upstream data using unauthorized resource,
Wherein, the unauthorized transmission packet includes at least one of：The radio resource location information of unauthorized transmission, it is non-to award
The adjustment encoding selection information sent is weighed, the downlink of the uplink power control information of unauthorized transmission, unauthorized transmission responds institute
The RNTI value informations used, the repeating transmission stand-by period of unauthorized transmission, the physical downlink control channel PDCCH prison of unauthorized transmission
Listen the time.
13. a kind of data transmission device is applied to base station, which is characterized in that including：
Sending module, for sending Downlink Control Information DCI to user equipment (UE), so that the UE receives base according to the DCI
Stand send data packet；
Wherein, the DCI is worth to by specified radio network temporary identifier RNTI.
14. device according to claim 13, which is characterized in that the specified RNTI values pass through the UE uplink
At least one of of used radio resource determines：Time-domain position, frequency domain position.
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| CN201710071521.XA CN108418661B (en) | 2017-02-09 | 2017-02-09 | Data transmission method and device |
| PCT/CN2018/072543 WO2018145558A1 (en) | 2017-02-09 | 2018-01-15 | Data transmission method and device |
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| CN201710071521.XA CN108418661B (en) | 2017-02-09 | 2017-02-09 | Data transmission method and device |
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| CN110536385A (en) * | 2019-07-31 | 2019-12-03 | 中兴通讯股份有限公司 | Data sending, receiving method, device, first node and second node |
| WO2021078275A1 (en) * | 2019-10-25 | 2021-04-29 | Huawei Technologies Co., Ltd. | Systems and methods for data transmission in an inactive state |
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| WO2021184936A1 (en) * | 2020-03-19 | 2021-09-23 | 华为技术有限公司 | Communication method and apparatus |
| CN114205921A (en) * | 2020-09-17 | 2022-03-18 | 华硕电脑股份有限公司 | Method and apparatus for small data transmission in wireless communication system |
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| CN108418661B (en) | 2022-04-29 |
| WO2018145558A1 (en) | 2018-08-16 |
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