CN108024233A - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
- Publication number
- CN108024233A CN108024233A CN201610959093.XA CN201610959093A CN108024233A CN 108024233 A CN108024233 A CN 108024233A CN 201610959093 A CN201610959093 A CN 201610959093A CN 108024233 A CN108024233 A CN 108024233A
- Authority
- CN
- China
- Prior art keywords
- license info
- subframe
- transmission
- base station
- uplink license
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1221—Wireless traffic scheduling based on age of data to be sent
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Abstract
The embodiment of the present invention, which provides a kind of data transmission method and device, this method, to be included：Terminal receives the uplink License Info that base station is sent, and determines transmission intercal according to the uplink License Info；The terminal, according to the transmission intercal, upstream data is transmitted to the base station after the uplink License Info has been received.Transmission intercal can flexibly be indicated by realizing base station, upstream data be transmitted so that terminal according to the instruction of base station flexibly determines transmission intercal, so as to reduce the wasting of resources.
Description
Technical field
The present invention relates to wireless communication technique, more particularly to a kind of data transmission method and device.
Background technology
At present, machine type communication (Enhanced Machine Type Communication, abbreviation eMTC) skill is strengthened
Art is in continuous research process.For half-duplex user equipment (User Equipment, abbreviation UE), if being transmitted using eMTC
Data, when dispatching the transmission of uplink and downlink data, it is necessary to be provided in accordance with default transmission, i.e., have one and conclude a contract or treaty in transmission time
Beam, such as：Carried on MTC Physical Downlink Control Channel (MTC Physical DL Control Channel, abbreviation MPDCCH)
Downlink distribution (DL Assignment) Physical Uplink Shared Channel (Physical Uplink corresponding with downlink distribution
Shared Channel, abbreviation PUSCH) on most short transmission interval (the Transmission Time of data break 3 that carry
Interval, abbreviation TTI), i.e., base station transfers DL Assignment in n-th of subframe, starts in the n-th+4 subframes
Data are uploaded in PUSCH.
But data are transmitted using the prior art, some time interval resources can be caused to be wasted.
The content of the invention
The embodiment of the present invention provides a kind of data transmission method and device, for solving possibility when the prior art transmits data
The problem of having the wasting of resources.
First aspect of the embodiment of the present invention provides a kind of data transmission method, including：
Terminal receives the uplink License Info that base station is sent, and determines transmission intercal according to the uplink License Info；
The terminal, according to the transmission intercal, is transmitted after the uplink License Info has been received to the base station
Upstream data.
Alternatively, the terminal receives the uplink License Info that base station is sent, and is determined according to the uplink License Info
Transmission intercal, including：
The terminal receives the uplink License Info that the base station is sent, and the uplink License Info includes：Between transmission
Every k, for indicating TTI, interval of the most short transmission number at interval；
The terminal determines last subframe n of the uplink License Info transmission, and permits to believe according to the uplink
Breath obtains the transmission intercal k, wherein, n is the integer more than or equal to 0, and k is the integer more than or equal to 3；
The terminal, according to the transmission intercal, is transmitted after the uplink License Info has been received to the base station
Upstream data, including：
The terminal is after the uplink License Info has been received, according to the transmission intercal, in the subframe n backward
It is spaced in the subframe of k and starts to transmit the upstream data.
Alternatively, before the terminal receives the uplink License Info that base station is sent, further include：
The terminal receives the downlink distribution information that the base station is sent, and is included in the downlink distribution information：Downlink passes
Defeated duration x, wherein x are the integer more than 0.
Alternatively, the terminal first receive the uplink License Info, after when receiving downlink data,
The terminal receives the uplink License Info that base station is sent, and is determined according to the uplink License Info between transmission
Every, including：
The terminal receives the uplink License Info that base station is sent, and determines last of the uplink License Info transmission
A subframe n；
Using x+1 as transmission intercal.
Alternatively, the terminal is after the uplink License Info has been received, according to the transmission intercal, to the base
Stand and transmit upstream data, including：
The terminal is after the uplink License Info has been received, according to the transmission intercal, in the subframe n backward
It is spaced in the subframe of x+1 and starts to transmit upstream data.
Alternatively, it is described the subframe n be spaced backward in the subframe of x+1 start transmit upstream data after, further include：
The terminal is spaced in the subframe of x+3 backward in subframe n starts transmitting uplink control information, wherein, in transmission institute
State and stop transmitting the upstream data during ascending control information and after the uplink control information transmission after resuming
The defeated upstream data.
Alternatively, the terminal receives the uplink License Info that base station is sent, and is determined according to the uplink License Info
Before transmission intercal, further include：
The terminal receives the downlink data that the base station is sent；
The terminal determines last subframe m of the downlink data transmission according to the downlink transfer duration x.
Alternatively, the terminal receives the uplink License Info that base station is sent, and is determined according to the uplink License Info
Transmission intercal, including：
The terminal receives the uplink License Info that the base station is sent, and determines the biography of the uplink License Info
Defeated duration f, wherein f are the integer more than 0；
For the terminal according to the transmission duration f of the uplink License Info, it is f+1 to determine the transmission intercal.
Alternatively, the terminal is after the uplink License Info has been received, according to the transmission intercal, to the base
Stand and transmit upstream data, including：
The terminal starts after the uplink License Info has been received in the subframe that the subframe m is spaced f+1 backward
Transmitting uplink control information, and the upstream data is transmitted after the uplink control information transmission.
Wherein, uplink License Info and downlink distribution information belong to Downlink Control Information.
Terminal receives the Downlink Control Information that base station is sent, and determines transmission intercal according to Downlink Control Information.
Second aspect of the embodiment of the present invention provides a kind of data transmission method, including：
Base station sends uplink License Info to terminal, which is used to indicate transmission intercal to the terminal；
The base station receives the upstream data that the terminal is transmitted according to the transmission intercal.
Alternatively, the uplink License Info includes：Transmission intercal k, for indicating the most short transmission interval TTI at interval
Number.
Alternatively, before base station sends uplink License Info to terminal, further include：
The base station sends downlink distribution information to the terminal, is included in the downlink distribution information：During downlink transfer
Long x, wherein x are the integer more than 0.
The third aspect of the embodiment of the present invention provides a kind of data transmission method, including：
Terminal is configured with blind examination Downlink Control Information in the subframe of MPDCCH candidate identifications in default subframe, and exists at the same time
Downlink data is received in the default subframe, wherein, under being used for that the default subframe is distributed according to semi-persistent scheduling for base station
Row data transmission subframes；
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is less than or equal to the capacity of current narrow band channel, the terminal parses the downlink data and downlink control
Information；Alternatively,
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is more than the capacity of current narrow band channel, if Downlink Control Information described in blind examination fails, the terminal parses institute
State downlink data；If Downlink Control Information success described in blind examination, the terminal parse the downlink data and the downlink control
Information processed.
Fourth aspect of the embodiment of the present invention provides a kind of data transmission device, and described device includes being used to perform above-mentioned first
The module or means (means) for the method that the various implementations of aspect and first aspect are provided.
The aspect of the embodiment of the present invention the 5th provides a kind of data transmission device, and described device includes being used to perform above-mentioned second
The module or means (means) for the method that the various implementations of aspect and second aspect are provided.
The aspect of the embodiment of the present invention the 6th provides a kind of data transmission device, and described device includes being used to perform the above-mentioned 3rd
The module or means (means) for the method that the various implementations of aspect and the third aspect are provided.
The aspect of the embodiment of the present invention the 7th provides a kind of data transmission device, and described device includes processor and memory,
Memory is used for storage program, and processor calls the program of memory storage, to perform the method for the application first aspect offer.
Eighth aspect of the embodiment of the present invention provides a kind of data transmission device, and described device includes processor and memory,
Memory is used for storage program, and processor calls the program of memory storage, to perform the method for the application second aspect offer.
The aspect of the embodiment of the present invention the 9th provides a kind of data transmission device, and described device includes processor and memory,
Memory is used for storage program, and processor calls the program of memory storage, to perform the method for the application third aspect offer.
The aspect of the embodiment of the present invention the tenth provides a kind of data transmission device, including for performing the side of above first aspect
At least one treatment element (or chip) of method.
The tenth one side of the embodiment of the present invention provides a kind of data transmission device, including for performing above second aspect
At least one treatment element (or chip) of method.
The aspect of the embodiment of the present invention the 12nd provides a kind of data transmission device, including for performing the above third aspect
At least one treatment element (or chip) of method.
The aspect of the embodiment of the present invention the 13rd provides a kind of program, which is used for more than execution when being executed by processor
The method of first aspect.
A kind of program product of fourteenth aspect of embodiment of the present invention offer, such as computer-readable recording medium, including the
The program of 13 aspects.
The aspect of the embodiment of the present invention the 15th provides a kind of program, which is used for more than execution when being executed by processor
The method of second aspect.
A kind of program product of the aspect offer of the embodiment of the present invention the 16th, such as computer-readable recording medium, including the
The program of 15 aspects.
The aspect of the embodiment of the present invention the 17th provides a kind of program, which is used for more than execution when being executed by processor
The method of the third aspect.
A kind of program product of the aspect offer of the embodiment of the present invention the 18th, such as computer-readable recording medium, including the
The program of 17 aspects.
In data transmission method and device provided in an embodiment of the present invention, terminal receives the uplink license letter that base station is sent
Breath, and transmission intercal is determined according to the uplink License Info；After the uplink License Info has been received, according to the biography
Defeated interval, upstream data is transmitted to the base station.Transmission intercal can flexibly be indicated by realizing base station, so that terminal is according to base station
Instruction flexibly determine that transmission intercal transmits upstream data, so as to reduce the wasting of resources.
Brief description of the drawings
A kind of frame diagrams of communication system of Fig. 1；
Fig. 2 is a kind of flow diagram of data transmission method provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of another data transmission method provided in an embodiment of the present invention；
Fig. 4 is a kind of time diagram in data transmission method provided in an embodiment of the present invention；
Fig. 5 is the flow diagram of another data transmission method provided in an embodiment of the present invention；
Fig. 6 is a kind of time diagram in data transmission method provided in an embodiment of the present invention；
Fig. 7 is the flow diagram of another data transmission method provided in an embodiment of the present invention；
Fig. 8 is a kind of time diagram in data transmission method provided in an embodiment of the present invention；
Fig. 9 is a kind of structure diagram of data transmission device provided in an embodiment of the present invention；
Figure 10 is the structure diagram of another data transmission device provided in an embodiment of the present invention；
Figure 11 is the structure diagram of another data transmission device provided in an embodiment of the present invention.
Embodiment
Hereinafter, the part term in the embodiment of the present invention is explained, in order to skilled artisan understands that：
Base station：Also known as wireless access network (Radio Access Network, RAN) equipment, is that one kind accesses terminal
Can be global system for mobile telecommunications (Global System of Mobile communication, letter to the equipment of wireless network
Claim GSM) or CDMA (Code Division Multiple Access, abbreviation CDMA) in base station (Base
Transceiver Station, abbreviation BTS) or wideband code division multiple access (Wideband Code Division
Multiple Access, abbreviation WCDMA) in base station (NodeB, abbreviation NB), can also be Long Term Evolution (Long Term
Evolution, abbreviation LTE) in evolved base station (Evolutional Node B, abbreviation eNB or eNodeB), or relaying
Stand or access point, or future 5G networks in base station etc., do not limit herein.
Terminal：Can be that wireless terminal can also be catv terminal, wireless terminal can refer to provide a user voice and/
Or the equipment of other business datums connectedness, there is the portable equipment of wireless connecting function or be connected to wireless modulation-demodulation
Other processing equipments of device.Wireless terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and one
Or multiple cores net communicates, wireless terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and tool
There is the computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted movement
Device, they exchange language and/or data with wireless access network.For example, personal communication service (Personal
Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (Session Initiation
Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) is stood, individual digital helps
Manage equipment such as (Personal Digital Assistant, abbreviation PDA).Wireless terminal is referred to as system, subscri er unit
(Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station
(Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access terminal (Access
Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device
Or User Equipment), it is not limited thereto.
In the embodiment of the present invention, " multiple " refer to two or more."and/or", the association for describing affiliated partner are closed
System, expression may have three kinds of relations, for example, A and/or B, can represent：Individualism A, while there are A and B, individualism
These three situations of B.It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
A kind of frame diagrams of communication system of Fig. 1.As shown in Figure 1, the communication system includes：Base station 01 and terminal 02.
In Long Term Evolution (Long Term Evolution, abbreviation LTE) technology, with the research of eMTC, eMTC needs to prop up
Voice LTE (Voice LTE, abbreviation VoLTE) is held, i.e., transmits VoLTE voice packets using eMTC.Wherein, the VoLTE of enhancing
(eVoLTE) the hybrid automatic retransmission request of upstream Asynchronous (Hybrid Automatic Repeat request, abbreviation are supported
HARQ)。
If according to existing Preset Transfer regular transmission VoLTE voice packets, voice packet may be with fixed cycle interval hair
Send, wherein, voice packet may have uplink packet and downstream packets transmission at the same time, or in some time interval, only uplink packet or
Person only has downstream packets transmission, may result in and both transmitted without uplink packet or transmitted without downstream packets in some subframes, and causes
The wasting of resources.
The embodiment of the present invention proposes a kind of method, transmission intercal is indicated by base station flexibility and changeability, to reduce the wasting of resources.
The relevant information of transmission intercal can be specifically indicated in Downlink Control Information by base station, so that terminal is according to Downlink Control Information
Flexibly obtain transmission intercal.Downlink Control Information can include：Downlink distribution information, uplink License Info etc., do not limit herein
System.
Fig. 2 is a kind of flow diagram of data transmission method provided in an embodiment of the present invention, as shown in Fig. 2, this method
Including：
S201, base station send uplink License Info to terminal.
Wherein, base station can send uplink License Info (UL Grant) on MPDCCH.
Uplink License Info is used for the license of uplink scheduling.
S202, terminal receive the uplink License Info that base station is sent, and determine transmission intercal according to uplink License Info.
Alternatively, base station directly can indicate transmission intercal in uplink License Info, can also indicate that other correlation letters
Breath, in order to which terminal can obtain transmission intercal according to relevant information, this is not restricted.
Wherein, the digit of transmission intercal can be TTI.
S203, terminal, according to the transmission intercal, upstream data are transmitted to base station after uplink License Info has been received.
Here the data transmitted can be VoLTE voice packets, but be not limited.
In the present embodiment, terminal receives the uplink License Info that base station is sent, and determines to transmit according to uplink License Info
Interval, and then upstream data is transmitted to base station according to transmission intercal, realize the information sent according to base station and flexibly determine transmission
Interval, to reduce the wasting of resources.
Alternatively, transmission intercal is directly carried in uplink License Info.
Terminal receives the uplink License Info that base station is sent, and determines transmission intercal, Ke Yishi according to uplink License Info：
Terminal receives the uplink License Info that base station is sent, which includes：Transmission intercal k, to indicate the TTI at interval
Number is k.Terminal determines last subframe n of uplink License Info transmission, and is obtained and transmitted according to uplink License Info
It is spaced k.
Correspondingly, terminal, according to transmission intercal k, is spaced k's backward after uplink License Info has been received in subframe n
Start to transmit upstream data in subframe.If subframe n represents n-th of subframe, then just starts to transmit in the n-th+k+1 subframes
Upstream data.
Alternatively, uplink License Info can also indicate that uplink scheduling time delay k1, and k1 is than transmission intercal k for uplink scheduling time delay
It is big by 1, i.e., if subframe n represents n-th of subframe, then just start to transmit upstream data in the n-th+k1 subframes.
N is the integer more than or equal to 0, and k is the integer more than or equal to 3.
Alternatively, transmission intercal can not also be directly carried in uplink License Info, but carries other and calculated for terminal
The information of transmission intercal.
Alternatively, before terminal receives the uplink License Info that base station is sent, the downlink distribution letter that base station is sent also is received
Cease (DL Assignment).Downlink distribution information includes：Downlink transfer duration x, wherein x are the integer more than 0.X can also
Counted in units of TTI, i.e. x TTI of downlink transfer.
Fig. 3 is the flow diagram of another data transmission method provided in an embodiment of the present invention, and Fig. 4 is implemented for the present invention
A kind of time diagram in the data transmission method that example provides.Referring to Fig. 4, in the present embodiment, terminal first receives uplink license
Information, after receive downlink data.
As shown in figure 3, this method includes：
S301, terminal receive the downlink distribution information that base station is sent.
Downlink distribution information includes：Downlink transfer duration x.Terminal is using x+1 as transmission intercal.
Alternatively, terminal monitors downlink distribution information on MPDCCH.
Downlink distribution information can be by Downlink Control Information (Downlink Control Information, abbreviation DCI)
Instruction.Downlink transfer length can be determined by the repeat number (repetition number) in DCI.
S302, terminal receive the uplink License Info that base station is sent, and determine last of uplink License Info transmission
A subframe n.
Uplink License Info can carry the repeat number of itself；Descending scheduling time delay by the uplink License Info repetition
Number directly determines.
S303, terminal receive the downlink data that the length that base station is sent is x.
Specific base station can be on Physical Downlink Shared Channel (Physical DL Share Channel, abbreviation PDSCH)
Transmit downlink data.
S304, terminal are spaced in the subframe of x+1 backward in subframe n to be started to transmit upstream data.
With reference to Fig. 4, i.e. the subframe that subframe n is spaced x+1 subframe backward is physically row shared channel (Physical
UL Share Channel, abbreviation PUSCH) transmission upstream data starting point.
If subframe n represents n-th of subframe, then just starts to transmit upstream data in the n-th+x+2 subframes.
As shown in figure 4, subframe number is circulated using 0-9 as one, if last subframe of uplink License Info transmission is compiled
Number it is n, then numbering is " to start to transmit upstream data in the subframe of (n+x+2) %10 " after the subframe that numbering is n.Wherein
" % " is complementation symbol.
By taking Fig. 4 as an example, downlink distribution information is received since the subframe of first numbering 0, the subframe for being 3 in numbering terminates
Downlink distribution information is received, and then receives uplink License Info, terminates to receive uplink License Info, x=4, by upper at n=7
The method of stating obtains starting to transmit upstream data at the subframe for being 3 in next numbering.The subframe 2 that centre is vacated be uplink and
Interval (gap) between downlink transfer.
Further, terminal can backward be spaced in the subframe of x+3 subframe in subframe n and start to transmit upload control letter
Breath, specifically can on PDCCH transmitting uplink control information.Whether the ascending control information can be used for receiving to base station feedback
Above-mentioned downlink data, specifically, ascending control information can be ACK (successful reception) or NACK (not receiving).Such as Fig. 4 institutes
To show, the sub-frame transmission ascending control information of second numbering 5,6, the subframe for being 7 from second numbering continues to transmit upstream data,
There is no the wasting of resources thus.
It should be noted that during transmitting uplink control information, stop transmission upstream data, in ascending control information
End of transmission is follow-up to resume defeated upstream data.
Fig. 5 is the flow diagram of another data transmission method provided in an embodiment of the present invention, and Fig. 6 is implemented for the present invention
A kind of time diagram in the data transmission method that example provides.Referring to Fig. 6, in the present embodiment, terminal first receive downlink data,
After receive uplink License Info.Physical Downlink Shared Channel (Physical DL Share Channel, abbreviation PDSCH)
As shown in figure 5, this method includes：
S501, terminal receive the downlink distribution information that base station is sent.
Downlink distribution information includes：Downlink transfer duration x.
S301 specifically is referred to, details are not described herein.
S502, terminal receive the downlink data that the length that base station is sent is x, determine the downlink data transmission last
Subframe m.
Which subframe is terminal be known that since reception downlink data, according to x it is known that subframe knot
Beam receives downlink data.Terminal can also directly determine last subframe for receiving downlink data, not be limited herein.
S503, terminal receive the uplink License Info that base station is sent, and determine the transmission duration f of the uplink License Info.
In this way, transmission intercal is just f+1
F is the integer more than 0.F's can also be counted in units of TTI, i.e., conveying length is f TTI, accounts for f subframe.
The transmission duration f of uplink License Info can receive the time point of uplink License Info by and terminate to receive
Mathematic interpolation between the time point of row License Info obtains.
The uplink License Info can be carried by DCI, i.e., terminal is received according to the time point for starting to receive DCI with end
Mathematic interpolation between the time point of DCI obtains transmission duration f.
Or transmission duration f can also be obtained by the self-contained repeat number of uplink License Info.
The subframe that S504, terminal are spaced f+1 in subframe m backward starts transmitting uplink control information, and believes in upload control
The upstream data is transmitted after breath end of transmission.Wherein, directly start to transmit in next subframe after uplink control information transmission
Upstream data, centre is without interval.
If subframe m represents m-th of subframe, then just starts transmitting uplink control information in the m+f+2 subframe.
Referring to Fig. 6, subframe number is m in numbering if subframe m represents the subframe of numbering m using 0-9 as a circulation
Subframe after number be " to start transmitting uplink control information in the subframe of (m+f+2) %10 ".Wherein " % " is complementation symbol.
By taking Fig. 6 as an example, downlink distribution information is received since the subframe of first numbering 0, the subframe for being 3 in numbering terminates
Downlink distribution information is received, and then receives downlink data, terminates to receive downlink data in the subframe of numbering 8, starts in reception
Row License Info, a length of 4 TTI during the transmission of uplink License Info, the subframe for being 4 in next numbering is obtained by the above method
Start transmitting uplink control information, 2 TTI of uplink control information transmission terminate, and the subframe for being 6 in numbering starts line number in transmission
According to.The subframe 3 that centre is vacated is the interval (gap) between uplink and downlink transfer.
Wherein, uplink License Info and downlink distribution information belong to Downlink Control Information.
It is understood that terminal receives the Downlink Control Information that base station is sent, and determine to pass according to Downlink Control Information
Defeated interval.
It is identical that upstream Asynchronous HARQ transmission needs terminal and base station to understand current HARQ process numbers, i.e. terminal and base station
Need to be consistent for current uplink HARQ process numbers.Based on this reason, terminal, which needs to receive, has HARQ processes
Number DCI, i.e., in order to support asynchronous HARQ, terminal is required to monitor the DCI that base station sends in MPDCCH.And in VoLTE,
Semi-persistent scheduling (Semi-Persistent Scheduling, abbreviation SPS) may be used, the present embodiment provides a kind of terminal to exist
The period that semi-persistent scheduling PDSCH sends data needs to monitor the processing method of DCI on MPDCCH.
Fig. 7 is the flow diagram of another data transmission method provided in an embodiment of the present invention, and Fig. 8 is implemented for the present invention
A kind of time diagram in the data transmission method that example provides.
As shown in fig. 7, this method includes：
S701, terminal are configured with the subframe of MPDCCH candidates (MPDCCH candidates) mark in default subframe
Blind examination DCI, and at the same time downlink data is received in default subframe.
Wherein, it is the subframe for downlink data transmission that base station is distributed according to SPS to preset subframe.
Alternatively, base station can configure MPDCCH candidates in the part subframe in default subframe in advance, generally
Start in default subframe and MPDCCH candidates are configured in several subframes, this is not restricted.Wherein, subframe, that is, SPS is preset
The downlink resource (downlink subframe) of distribution, uses PDSCH transmission downlink data in these subframes.
Terminal blind examination DCI on the subframe of MPDCCH candidate identifications is configured with, alternatively, being configured with MPDCCH candidates
Blind examination DCI in the subframe of mark.General terminal can consider that default subframe starts and MPDCCH candidates mark be configured with several subframes
Know.
The DCI includes HARQ process numbers.
S702 and S703 is two kinds of situations arranged side by side：
S702, take frequency domain when being configured with the data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information
When total resources is less than or equal to the capacity of current narrow band channel, terminal parsing downlink data and Downlink Control Information.
In this case, terminal can receive downlink data and DCI at the same time, and decode downlink data and DCI.
S703, take frequency domain when being configured with the data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information
When total resources is more than the capacity of current narrow band channel, if blind examination DCI fails, terminal only parses downlink data；It is if blind
DCI successes are examined, terminal parses downlink data and DCI at the same time.
In this case, terminal, if blind examination fails, just only receives the decode lower line number still according to monitoring MPDCCH is attempted
According to if energy blind examination success, it is possible to downlink data and DCI, and decode downlink data and DCI.
As shown in figure 8, using 40ms as data transfer cycle, it is assumed that be configured with the subframe of MPDCCH candidate identifications and transmitted
Data and Downlink Control Information take the capacity that frequency domain resource total amount is less than or equal to current narrow band channel, under SPS distribution
Above several hypographous subframes represent to be configured with the subframe of MPDCCH candidate identifications, these subframe positions in row transmission subframe
Terminal receives and decodes downlink data and DCI at the same time, behind be configured without the subframes of MPDCCH candidate identifications and only receive the decode
Downlink data.Whether after having received downlink data, terminal can send ascending control information, under being received successfully to base station feedback
Row data, after ascending control information is sent completely, then transmit upstream data, such as transmission voice packet etc., and this is not restricted.
In the present embodiment, if meeting certain condition, DCI on MPDCCH can also be monitored in the period for sending data,
DCI can also be received while receiving downlink data.
Fig. 9 is a kind of structure diagram of data transmission device provided in an embodiment of the present invention, which can be integrated in
In aforementioned terminals, as shown in figure 9, the device includes：Processor 901, memory 902, interface circuit 903 and bus 904.
Processor 901, memory 902 and interface circuit 903 are connected by bus 904 and complete mutual communication.Place
Reason device 901 is received or is sent information, such as control information, data etc. by interface circuit 903.
Wherein, batch processing code is stored in memory 902, processor 901 calls the program generation stored in memory 902
Code, performs following operation：
The uplink License Info that base station is sent is received, and transmission intercal is determined according to the uplink License Info；
After the uplink License Info has been received, according to the transmission intercal, upstream data is transmitted to the base station.
Alternatively, processor 901, the uplink License Info sent specifically for receiving the base station, the uplink license
Information includes：Transmission intercal k, for indicating TTI, interval of the most short transmission number at interval；Determine that the uplink License Info passes
Defeated last subframe n, and the transmission intercal k is obtained according to the uplink License Info, wherein, n is more than or equal to 0
Integer, k is integer more than or equal to 3；After the uplink License Info has been received, according to the transmission intercal,
The subframe n is spaced in the subframe of k backward to be started to transmit the upstream data.
Further, processor 901, are additionally operable to before the uplink License Info that base station is sent is received, receive the base
The downlink sent of standing distributes information, is included in the downlink distribution information：Downlink transfer duration x, wherein x are the integer more than 0.
In a kind of embodiment, the device first receive the uplink License Info, after when receiving downlink data, processing
Device 901, the uplink License Info of base station transmission is received specifically for terminal, and determines the last of the uplink License Info transmission
One subframe n；Using x+1 as transmission intercal.
Alternatively, processor 901, specifically for after the uplink License Info has been received, according between the transmission
Every, the subframe n be spaced backward in the subframe of x+1 start transmit upstream data.
Processor 901, is additionally operable to be spaced backward in the subframe of x+3 in subframe n and starts transmitting uplink control information, wherein,
Stop transmitting the upstream data during the ascending control information is transmitted and finished in the uplink control information transmission
It is follow-up to resume the defeated upstream data.
Alternatively, in another embodiment, processor 901, is additionally operable to receiving the uplink License Info of base station transmission,
And before according to the uplink License Info determining transmission intercal, receive the downlink data that the base station is sent；Under described
Row transmission duration x determines last subframe m of the downlink data transmission.
Alternatively, processor 901, the uplink License Info sent specifically for receiving the base station, and determine institute
Transmission the duration f, wherein f for stating uplink License Info are the integer more than 0；According to the transmission duration f of the uplink License Info,
It is f+1 to determine the transmission intercal.
Alternatively, processor 901, specifically for after the uplink License Info has been received, in the subframe m backward
The subframe of interval f+1 starts transmitting uplink control information, and the uplink is transmitted after the uplink control information transmission
Data.
The implementing principle and technical effect of the device are similar with the embodiment of the method shown in earlier figures 1- Fig. 6, herein no longer
Repeat.
Another kind data transmission device of the embodiment of the present invention, identical with structure shown in Fig. 9, processor 901 calls memory
The program code stored in 902, performs following operation：Machine type communication physical down control letter is configured with default subframe
Blind examination Downlink Control Information in the subframe of road MPDCCH candidate identifications, and downlink data is received in the default subframe at the same time,
Wherein, the default subframe is used for downlink data transmission subframe for base station according to what semi-persistent scheduling distributed；
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is less than or equal to the capacity of current narrow band channel, the downlink data and the Downlink Control Information are parsed；Or
Person,
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is more than the capacity of current narrow band channel, if Downlink Control Information described in blind examination fails, the downlink is parsed
Data；If Downlink Control Information success, parses the downlink data and the Downlink Control Information described in blind examination.
The implementing principle and technical effect of the device are similar with the embodiment of the method shown in earlier figures 7- Fig. 8, herein no longer
Repeat.
The structure of base station can also be with reference to Fig. 9 in previous embodiment, and details are not described herein.
Figure 10 is the structure diagram of another data transmission device provided in an embodiment of the present invention, which can integrate
In in aforementioned terminals, as shown in Figure 10, which includes：Receiving module 110, determining module 111 and sending module 112, its
In,
Receiving module 110, for receiving the uplink License Info of base station transmission.
Determining module 111, for determining transmission intercal according to the uplink License Info.
Sending module 112, for after the uplink License Info has been received, according to the transmission intercal, to described
Transmit upstream data in base station.
Alternatively, receiving module 110, the uplink License Info sent specifically for receiving the base station, the uplink are permitted
Can information include：Transmission intercal k, for indicating TTI, interval of the most short transmission number at interval.
Determining module 111, last subframe n specifically for determining the uplink License Info transmission, and according to institute
State uplink License Info and obtain the transmission intercal k, wherein, n is the integer more than or equal to 0, and k is whole more than or equal to 3
Number.
Sending module 112, specifically for after the uplink License Info has been received, according to the transmission intercal,
The subframe n is spaced in the subframe of k backward to be started to transmit the upstream data.
Further, receiving module 110, are additionally operable to before the uplink License Info that base station is sent is received, described in reception
The downlink distribution information that base station is sent, the downlink are distributed in information and included：Downlink transfer duration x, wherein x are whole more than 0
Number.
In a kind of embodiment, the device first receive the uplink License Info, after receive downlink data,
Determining module 111, specifically for determining last subframe n of the uplink License Info transmission, and x+1 is made
For for transmission intercal.
Correspondingly, sending module 112, specifically for after the uplink License Info has been received, according to the transmission
Interval, is spaced in the subframe of x+1 and starts to transmit upstream data backward in the subframe n.
Further, sending module 112, be additionally operable to subframe n be spaced backward in the subframe of x+3 start transmit upload control
Information, wherein, stop transmitting the upstream data during the ascending control information is transmitted and believe in the upload control
End of transmission is follow-up resumes the defeated upstream data for breath.
In another embodiment, receiving module 110, is additionally operable to before the uplink License Info that base station is sent is received,
Receive the downlink data that the base station is sent.Determining module 111, be additionally operable to according to the downlink transfer duration x determine it is described under
Last subframe m of row data transfer.
Further, it is determined that module 111, transmission duration f, wherein f specifically for determining the uplink License Info are
Integer more than 0；According to the transmission duration f of the uplink License Info, it is f+1 to determine the transmission intercal.
Correspondingly, sending module 112, specifically for after the uplink License Info has been received, the subframe m to
The subframe for being spaced f+1 afterwards starts transmitting uplink control information, and is transmitted after the uplink control information transmission on described
Row data.
The implementing principle and technical effect of the device are similar with the embodiment of the method shown in earlier figures 1- Fig. 6, herein no longer
Repeat.
Figure 11 is the structure diagram of another data transmission device provided in an embodiment of the present invention, which can integrate
In in aforementioned terminals, as shown in figure 11, which includes：Receiving module 001 and parsing module 002, wherein,
Receiving module 001, controls for being configured with blind examination downlink in the subframe of MPDCCH candidate identifications in default subframe
Information, and downlink data is received in the default subframe at the same time, wherein, the default subframe is base station according to semi-persistent scheduling
Distribution is used for downlink data transmission subframe.
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is less than or equal to the capacity of current narrow band channel, parsing module 002, parses the downlink data and the downlink
Control information.
Alternatively,
The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain are configured with when described
When total resources is more than the capacity of current narrow band channel, if Downlink Control Information described in 001 blind examination of receiving module fails, parsing
Module 002, parses the downlink data.If Downlink Control Information success, parsing module 002 described in 001 blind examination of receiving module
Parse the downlink data and the Downlink Control Information.
The implementing principle and technical effect of the device are similar with the embodiment of the method shown in earlier figures 7- Fig. 8, herein no longer
Repeat.
It should be noted that it should be understood that the modules of apparatus above division be only a kind of division of logic function,
Can completely or partially it be integrated on a physical entity when actually realizing, can also be physically separate.And these modules can be with
All realized in the form of software is called by treatment element；Can also all it realize in the form of hardware；Can also part mould
Block calls the form of software to realize by treatment element, and part of module is realized by the form of hardware.For example, determining module can be with
For the treatment element individually set up, it can also be integrated in some chip of above device and realize, in addition it is also possible to program
The form of code is stored in the memory of above device, is called by some treatment element of above device and to perform the above true
The function of cover half block.The realization of other modules is similar therewith.In addition these modules can completely or partially integrate, and also may be used
With independent realization.Treatment element described here can be a kind of integrated circuit, have the disposal ability of signal.Realizing process
In, each step of the above method or more modules can by the integrated logic circuit of the hardware in processor elements or
The instruction of software form is completed.
For example, the above module can be arranged to implement one or more integrated circuits of above method, such as：
One or more specific integrated circuits (Application Specific Integrated Circuit, ASIC), or, one
Or multi-microprocessor (digital singnal processor, DSP), or, one or more field programmable gate array
(Field Programmable Gate Array, FPGA) etc..For another example, some module dispatches journey by treatment element more than
When the form of sequence code is realized, which can be general processor, such as central processing unit (Central
Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules can integrate
Together, realized in the form of system-on-chip (system-on-a-chip, abbreviation SOC).
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (20)
- A kind of 1. data transmission method, it is characterised in that including：Terminal receives the uplink License Info that base station is sent, and determines transmission intercal according to the uplink License Info；The terminal, according to the transmission intercal, uplink is transmitted to the base station after the uplink License Info has been received Data.
- 2. according to the method described in claim 1, it is characterized in that, the terminal receive base station send uplink License Info, And transmission intercal is determined according to the uplink License Info, including：The terminal receives the uplink License Info that the base station is sent, and the uplink License Info includes：Transmission intercal k, For indicating TTI, interval of the most short transmission number at interval；The terminal determines last subframe n of the uplink License Info transmission, and is obtained according to the uplink License Info The transmission intercal k is taken, wherein, n is the integer more than or equal to 0, and k is the integer more than or equal to 3；The terminal, according to the transmission intercal, uplink is transmitted to the base station after the uplink License Info has been received Data, including：The terminal, according to the transmission intercal, is spaced backward after the uplink License Info has been received in the subframe n Start to transmit the upstream data in the subframe of k.
- 3. according to the method described in claim 1, it is characterized in that, the terminal receive base station send uplink License Info it Before, further include：The terminal receives the downlink distribution information that the base station is sent, and is included in the downlink distribution information：During downlink transfer Long x, wherein x are the integer more than 0.
- 4. according to the method described in claim 3, it is characterized in that, the terminal first receive the uplink License Info, after When receiving downlink data,The terminal receives the uplink License Info that base station is sent, and determines transmission intercal according to the uplink License Info, wraps Include：The terminal receives the uplink License Info that base station is sent, and determines last height of the uplink License Info transmission Frame n；Using x+1 as transmission intercal.
- 5. according to the method described in claim 4, it is characterized in that, the terminal received the uplink License Info it Afterwards, according to the transmission intercal, upstream data is transmitted to the base station, including：The terminal, according to the transmission intercal, is spaced backward after the uplink License Info has been received in the subframe n Start to transmit upstream data in the subframe of x+1.
- 6. according to the method described in claim 5, it is characterized in that, described be spaced backward in the subframe of x+1 in the subframe n is opened Begin after transmission upstream data, further include：The terminal is spaced in the subframe of x+3 backward in subframe n starts transmitting uplink control information, wherein, transmitting on described Stop transmitting the upstream data during row control information and continue to transmit institute after the uplink control information transmission State upstream data.
- 7. according to the method described in claim 3, it is characterized in that, the terminal receive base station send uplink License Info, And before according to the uplink License Info determining transmission intercal, further include：The terminal receives the downlink data that the base station is sent；The terminal determines last subframe m of the downlink data transmission according to the downlink transfer duration x.
- 8. the method according to the description of claim 7 is characterized in that the terminal receive base station send uplink License Info, And transmission intercal is determined according to the uplink License Info, including：The terminal receives the uplink License Info that the base station is sent, and during the transmission of the definite uplink License Info Long f, wherein f are the integer more than 0；For the terminal according to the transmission duration f of the uplink License Info, it is f+1 to determine the transmission intercal.
- 9. according to the method described in claim 8, it is characterized in that, the terminal received the uplink License Info it Afterwards, according to the transmission intercal, upstream data is transmitted to the base station, including：The terminal starts to transmit after the uplink License Info has been received in the subframe that the subframe m is spaced f+1 backward Ascending control information, and the upstream data is transmitted after the uplink control information transmission.
- A kind of 10. data transmission method, it is characterised in that including：Terminal is configured with the subframe of machine type communication Physical Downlink Control Channel MPDCCH candidate identifications in default subframe Blind examination Downlink Control Information, and downlink data is received in the default subframe at the same time, wherein, the default subframe is base station root It is used for downlink data transmission subframe according to semi-persistent scheduling distribution；The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain resource are configured with when described When total amount is less than or equal to the capacity of current narrow band channel, the terminal parses the downlink data and downlink control letter Breath；Alternatively,The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain resource are configured with when described When total amount is more than the capacity of current narrow band channel, if Downlink Control Information described in blind examination fails, under the terminal parsing is described Row data；If Downlink Control Information success described in blind examination, the terminal parses the downlink data and downlink control letter Breath.
- A kind of 11. data transmission device, it is characterised in that including：Memory and processor；The memory is used for store program codes, and the processor is used to call under the program code execution in the memory State operation：The uplink License Info that base station is sent is received, and transmission intercal is determined according to the uplink License Info；After the uplink License Info has been received, according to the transmission intercal, upstream data is transmitted to the base station.
- 12. according to the devices described in claim 11, it is characterised in that the processor, sends out specifically for receiving the base station The uplink License Info sent, the uplink License Info include：Transmission intercal k, for indicating the most short transmission interval at interval TTI number；Determine last subframe n of the uplink License Info transmission, and institute is obtained according to the uplink License Info Transmission intercal k is stated, wherein, n is the integer more than or equal to 0, and k is the integer more than or equal to 3；Permitted having received the uplink According to the transmission intercal, it can be backward spaced in the subframe of k in the subframe n and start to transmit the upstream data after information.
- 13. according to the devices described in claim 11, it is characterised in that the processor, is additionally operable to receiving what base station was sent Before uplink License Info, the downlink distribution information that the base station is sent is received, is included in the downlink distribution information：Downlink passes Defeated duration x, wherein x are the integer more than 0.
- 14. device according to claim 13, it is characterised in that the terminal first receive the uplink License Info, After when receiving downlink data, the processor, the uplink License Info that base station sends is received specifically for terminal, and determines institute State last subframe n of uplink License Info transmission；Using x+1 as transmission intercal.
- 15. device according to claim 14, it is characterised in that the processor, specifically for receiving on described After row License Info, according to the transmission intercal, it is spaced backward in the subframe of x+1 in the subframe n and starts line number in transmission According to.
- 16. device according to claim 15, it is characterised in that the processor, is additionally operable to be spaced x+ backward in subframe n Start transmitting uplink control information in 3 subframe, wherein, stop transmitting on described during the ascending control information is transmitted Row data simultaneously continue to transmit the upstream data after the uplink control information transmission.
- 17. device according to claim 13, it is characterised in that the processor, is additionally operable to receiving what base station was sent Uplink License Info, and before determining transmission intercal according to the uplink License Info, receive the lower line number that the base station is sent According to；Last subframe m of the downlink data transmission is determined according to the downlink transfer duration x.
- 18. device according to claim 17, it is characterised in that the processor, sends out specifically for receiving the base station The uplink License Info sent, and determine that transmission the duration f, wherein f of the uplink License Info are the integer more than 0；Root According to the transmission duration f of the uplink License Info, it is f+1 to determine the transmission intercal.
- 19. device according to claim 18, it is characterised in that the processor, specifically for receiving on described After row License Info, start transmitting uplink control information in the subframe that the subframe m is spaced f+1 backward, and in the uplink The upstream data is transmitted after control information end of transmission.
- A kind of 20. data transmission device, it is characterised in that including：Memory and processor；The memory is used for store program codes, and the processor is used to call under the program code execution in the memory State operation：Blind examination in the subframe of machine type communication Physical Downlink Control Channel MPDCCH candidate identifications is configured with default subframe Downlink Control Information, and downlink data is received in the default subframe at the same time, wherein, the default subframe is base station according to half Static scheduling distribution is used for downlink data transmission subframe；The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain resource are configured with when described When total amount is less than or equal to the capacity of current narrow band channel, the downlink data and the Downlink Control Information are parsed；Alternatively,The data transmitted in the subframe of MPDCCH candidate identifications and Downlink Control Information occupancy frequency domain resource are configured with when described When total amount is more than the capacity of current narrow band channel, if Downlink Control Information described in blind examination fails, the downlink data is parsed； If Downlink Control Information success, parses the downlink data and the Downlink Control Information described in blind examination.
Priority Applications (2)
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| CN201610959093.XA CN108024233B (en) | 2016-11-03 | 2016-11-03 | Data transmission method and device |
| CN202011073561.6A CN112203260B (en) | 2016-11-03 | 2016-11-03 | Data transmission method and device |
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| CN201610959093.XA CN108024233B (en) | 2016-11-03 | 2016-11-03 | Data transmission method and device |
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| CN202011073561.6A Division CN112203260B (en) | 2016-11-03 | 2016-11-03 | Data transmission method and device |
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Also Published As
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| CN112203260A (en) | 2021-01-08 |
| CN108024233B (en) | 2020-10-23 |
| CN112203260B (en) | 2022-05-10 |
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