CN109673050A - Data-reusing transmission method, network side equipment and communication system - Google Patents
Data-reusing transmission method, network side equipment and communication system Download PDFInfo
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- CN109673050A CN109673050A CN201710950929.4A CN201710950929A CN109673050A CN 109673050 A CN109673050 A CN 109673050A CN 201710950929 A CN201710950929 A CN 201710950929A CN 109673050 A CN109673050 A CN 109673050A
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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
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of data-reusing transmission method, network side equipment and communication system, method therein includes: second indication information of the occupancy generation before or after rate-matched carried out to eMBB running time-frequency resource unit for issuing the first instruction information for being used to indicate the occupied eMBB running time-frequency resource of URLLC business datum to UE by control channel and being used to indicate to eMBB running time-frequency resource unit；UE is based on the first instruction information and second indication information demodulates eMBB downlink data, and sends HARQ ACK or NACK message.Method, network side equipment and communication system disclosed by the invention, indicate whether the pre- occupancy resource of information instruction and pre- occupancy occur before rate-matched by carrying to occupy in advance in control channel, it can reduce that pre- occupancy occurs before rate-matched and user still feed back the problem of HARQ NACK causes retransmission resource to waste, raising downlink resource utilization efficiency.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of data-reusing transmission methods, network side equipment and communication
System.
Background technique
In 5G (the 5th third-generation mobile communication technology) communication technology standard, including three categories application scenarios: enhancing is mobile wide
Band scene (Enhance Mobile Broadband, eMBB), the highly reliable scene of low time delay (Ultra-relaible and Low
Latencycommunication, URLLC) and the big connection scene of low-power consumption (massive machine type of
Communication, mMTC).In the highly reliable scene of low time delay, the business such as car networking, Industry Control, tele-medicine are to time delay
More stringent requirements are proposed with reliability.The demand that 3GPP normal structure proposes the highly reliable scene of low time delay is uplink/downlink
One way user plane time delay 0.5ms reaches 110 for the data packet reliability of 32bytes-5In the case where user face one way time delay
1ms.3GPP standard determines that 5G NR (New Radio) downlink supports the multiplexing transmission of URLLC and eMBB, and base station will pass through transmission
The mode of preemption indication occupied time-frequency money when downlink is multiplexed to eMBB UE instruction URLLC and eMBB
Source.3GPP RAN1 provides that NR Rel-15 version will support transmission and list based on code block group (Code block group, CBG)
Bit/more bits HARQ-ACK feedback.3GPP RAN1 is determined guarantees that CBG transmission is transparent to MAC layer as far as possible.
But CBG is transparent to MAC layer to bring a negative impact the base station end utilization of resources: when base station only needs to retransmit transmission
When 1 CBG in block TB, since CBG is transparent to MAC layer, MAC layer will be that this will be heavy according to entire TB when carrying out retransfer scheduling
Allocation of downlink data resource is passed, after physical layer receives re-transmission TB, has successfully been connect according to the discarding of more bit HARQ-ACK feedback contents
The CBG of receipts carries out rate-matched to the CBG that needs retransmit, although reducing the code rate for retransmitting CBG, improves transmission reliability,
But it is reduction of the utilization rate of downlink resource.
Disclosure
In view of this, the invention solves a technical problem be to provide a kind of data-reusing transmission method, network side
Equipment and communication system.
According to one aspect of the present disclosure, a kind of data-reusing transmission method is provided, comprising: generating enhancing movement
When the eMBB downlink data of broadband, the eMBB running time-frequency resource unit that low time delay high reliable communication URLLC business datum occupies is determined, lead to
The eMBB running time-frequency resource unit for crossing the occupancy transmits the URLLC business datum；By control channel under user equipment (UE)
Hair is used to indicate the first instruction information of the occupied eMBB running time-frequency resource of URLLC business datum and is used to indicate described
The occupancy of the eMBB running time-frequency resource unit occurs in the speed carried out to the eMBB running time-frequency resource unit for URLLC business datum
Second indication information before or after rate matching；The UE is based on the first instruction information and the second indication information pair
EMBB downlink data is demodulated, and sends HARQ ACK or NACK message.
Optionally, code rate is carried out by the way of punching in eMBB running time-frequency resource unit of the physical layer to the occupancy
It adjusts, the data symbol of the URLLC business datum is mapped on the eMBB running time-frequency resource unit of the occupancy, realize to institute
State the occupancy of eMBB running time-frequency resource unit.
Optionally, described to be encoded by the way of punching in eMBB running time-frequency resource unit of the physical layer to the occupancy
Before rate adaptation further include: be used for transmission the eMBB running time-frequency resource of eMBB business datum for UE distribution, and determine resource
The time domain initial position of mapping；The available eMBB running time-frequency resource of the UE is determined according to the time domain initial position of the resource impact
Unit；Successively being mapped to the data symbol of eMBB business datum from the time domain initial position of the resource impact described can use
EMBB running time-frequency resource unit on.
Optionally, code block group CBG is transmitted on the eMBB running time-frequency resource unit of the occupancy, is used for transmission the URLLC
Business datum.
Optionally, the eMBB running time-frequency resource unit packet that the determining low time delay high reliable communication URLLC business datum occupies
It includes: determining the one or more symbol s for distributing to the time slot t of the UE as the eMBB for distributing to URLLC business datum occupancy
Running time-frequency resource unit；Wherein, first sign is used to indicate one or more symbol s of the time slot t.
Optionally, the UE is based on the first instruction information and the second indication information carries out eMBB downlink data
Demodulating and sending HARQ ACK or NACK message includes: to work as to determine the URLLC business datum according to the second indication information
The occupancy of the time interval resource is occurred before carrying out the rate-matched, then the UE is based on the first instruction information pair
One or more symbol s of the time slot t are punched and are obtained business datum, if to the success of this traffic data demodulation,
Send HARQ ACK message.
Optionally, the UE is based on the first instruction information and the second indication information carries out eMBB downlink data
Demodulation, and sending HARQ ACK or NACK message includes: to work as to determine the URLLC business datum according to the second indication information
The occupancy of the eMBB running time-frequency resource unit is occurred after the rate-matched, then the UE is based on the first instruction letter
Breath determines CBG corresponding with one or more symbol s of the time slot t, feeds back the HARQ NACK message for the CBG.
Optionally, the control channel includes: physical downlink control channel PDCCH；The second indication information includes: use
Occur in occupancy of the instruction URLLC business datum to the eMBB running time-frequency resource unit to the eMBB running time-frequency resource list
A bit before or after the rate-matched that member carries out.
Disclosed another aspect according to the present invention, provides a kind of network side equipment, comprising: data-reusing unit is used for
When generating enhancing mobile broadband eMBB downlink data, when determining the eMBB that low time delay high reliable communication URLLC business datum occupies
Frequency resource unit；Data transmission unit, for transmitting the URLLC business number by the eMBB running time-frequency resource unit of the occupancy
According to；Indicate issuance unit, to be used to indicate URLLC business datum occupied for issuing by control channel to user equipment (UE)
The first of eMBB running time-frequency resource indicates information and is used to indicate the URLLC business datum to the eMBB running time-frequency resource list
The second indication information before or after rate-matched carried out to the eMBB running time-frequency resource unit occurs for the occupancy of member；Its
In, the UE is based on the first instruction information and the second indication information demodulates eMBB downlink data, and sends
HARQ ACK or NACK message.
Optionally, the data-reusing unit, for being used in eMBB running time-frequency resource unit of the physical layer to the occupancy
The mode of punching carries out code rate adjusting, and the data symbol of the URLLC business datum is mapped to the eMBB of the occupancy
On running time-frequency resource unit, the occupancy to the eMBB running time-frequency resource unit is realized.
Optionally, the data-reusing unit, when for being used for transmission the eMBB of eMBB business datum for UE distribution
Frequency resource, and determine the time domain initial position of resource impact；The UE is determined according to the time domain initial position of the resource impact
Available eMBB running time-frequency resource unit；Successively by the data of eMBB business datum from the time domain initial position of the resource impact
Symbol is mapped on the available eMBB running time-frequency resource unit.
Optionally, the data transmission unit, for transmitting code block group on the eMBB running time-frequency resource unit of the occupancy
CBG is used for transmission the URLLC business datum.
Optionally, the data-reusing unit, for determining the one or more symbol s for distributing to the time slot t of the UE
As the eMBB running time-frequency resource unit for distributing to URLLC business datum occupancy；Wherein, first sign is used to indicate institute
State one or more symbol s of time slot t.
Optionally, further includes: feedback reception unit；When the UE determines the URLLC according to the second indication information
The occupancy of the time interval resource occurs before carrying out the rate-matched for business datum, then is based on the second indication information
Business datum is punched and is obtained to one or more symbol s of the time slot t, if to the success of this traffic data demodulation,
Then HARQ ACK message is sent to the feedback reception unit.
Optionally, when determining the URLLC business datum to the eMBB running time-frequency resource according to the second indication information
The occupancy of unit occurs after the rate-matched, then the UE is based on the first instruction information determination and the time slot t
The corresponding CBG of one or more symbol s, Xiang Suoshu feedback reception unit send for the CBG HARQ NACK message.
Disclosed another aspect according to the present invention, provides a kind of network side equipment, comprising: memory；And it is coupled to the memory
Processor, the processor is configured to it is multiple to execute data as described above based on storage instruction in the memory
Use transmission method.
Disclosed another aspect according to the present invention, provides a kind of communication system, comprising: UE, network side as described above are set
It is standby.
It is disclosed in another aspect, providing a kind of network side equipment according to the present invention, comprising: memory；And it is coupled to institute
The processor of memory is stated, the processor is configured to the instruction based on storage in the memory, executes as described above
Data-reusing transmission method.
Data-reusing transmission method, network side equipment and communication system disclosed by the invention determine that URLLC business datum accounts for
EMBB running time-frequency resource unit, is issued to user equipment (UE) by control channel and is used to indicate occupied by URLLC business datum
The first instruction information and being used to indicate of eMBB running time-frequency resource the occupancy of eMBB running time-frequency resource unit is occurred in its progress
Rate-matched before or after second indication information；Pre- occupy is indicated by carrying the pre- instruction information that occupies in control channel
Whether resource and pre- occupy occur before rate-matched, can reduce pre- occupancys generation before rate-matched and user is still anti-
The problem of feedback HARQ NACK causes retransmission resource to waste, improves downlink resource utilization efficiency, has filled up currently without based on CBG
Downlink transfer URLLC and eMBB occupies the blank of the concrete scheme of identification transmission in advance when being multiplexed.
Detailed description of the invention
In order to illustrate more clearly of the present invention, embodiment or technical solution in the prior art are disclosed, it below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments disclosed by the invention, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is to issue number according to the network side equipment in one embodiment of data-reusing transmission method disclosed by the invention
According to flow diagram；
Fig. 2 is the process that data are received according to the UE in one embodiment of data-reusing transmission method disclosed by the invention
Schematic diagram；
Fig. 3 is the module diagram according to one embodiment of network side equipment disclosed by the invention；
Fig. 4 is the module diagram according to another embodiment of network side equipment disclosed by the invention；
Fig. 5 is the module diagram according to one embodiment of communication network disclosed by the invention.
Specific embodiment
The present invention is disclosed with reference to the accompanying drawings and is described more fully, wherein illustrating exemplary reality disclosed by the invention
Apply example.The attached drawing in embodiment is disclosed below in conjunction with the present invention, the technical solution in embodiment is disclosed to the present invention and is carried out clearly
Chu is fully described by, it is clear that described embodiment is only that the present invention disclose a part of the embodiment, rather than the reality of whole
Apply example.Based on the present invention disclose in embodiment, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained belongs to the range that the present invention discloses protection.
" first " hereinafter, " second " etc. are only used for distinguishing in description, and there is no other special meanings.
Fig. 1 is to issue number according to the network side equipment in one embodiment of data-reusing transmission method disclosed by the invention
According to flow diagram, as shown in Figure 1:
Step 101, it in eMBB downlink data, determines the eMBB running time-frequency resource unit that URLLC business datum occupies, passes through
The eMBB running time-frequency resource unit of occupancy transmits URLLC business datum.
EMBB downlink data refers to that network side equipment is sent to the eMBB business datum of user equipment (UE), UE support eMBB with
And the data transmit-receive of URLLC mode.URLLC business includes business such as automatic Pilot etc..EMBB running time-frequency resource, which refers to, distributes to UE
It is used for transmission the running time-frequency resource of eMBB type service data, eMBB running time-frequency resource unit refers to eMBB running time-frequency resource unit.Network
Side apparatus can be base station etc..
Step 102, it is issued by control channel to user equipment (UE) and is used to indicate the occupied eMBB of URLLC business datum
The first of running time-frequency resource indicates information and is used to indicate occupancy generation of the URLLC business datum to eMBB running time-frequency resource unit
The second indication information before or after rate-matched carried out to eMBB running time-frequency resource unit.
The control channel for issuing the first instruction information and second indication information includes: physical downlink control channel PDCCH etc..
Control channel can be the PDCCH of original UE or for the new PDCCH based on new rule.First instruction information and second indication information
It can be one or more bits.For example, second indication information can be to be used to indicate URLLC business datum to provide eMBB time-frequency
The bit before or after rate-matched carried out to eMBB running time-frequency resource unit occurs for the occupancy of source unit.
Step 103, UE is based on the first instruction information and second indication information demodulates eMBB downlink data, and sends
HARQ ACK or NACK message.
In one embodiment, by the eMBB running time-frequency resource unit of occupancy transmit URLLC business datum can there are many
Method.Code rate adjusting is carried out by the way of punching in eMBB running time-frequency resource unit of the physical layer to occupancy, by URLLC industry
The data symbol of business data is mapped on the eMBB running time-frequency resource unit of occupancy, realizes the occupancy to eMBB running time-frequency resource unit.
It is carried out using hole knockout to eMBB running time-frequency resource unit in eMBB running time-frequency resource unit of the physical layer to occupancy
Before or after occupancy, network side equipment can according to UE negotiate as a result, to including being occupied by URLLC business datum
The downlink resource of eMBB running time-frequency resource unit carries out rate-matched, so that base station physical layer passes through when URLLC and eMBB is multiplexed
The mode of punching or rate-matched transmits URLLC data.
Before eMBB running time-frequency resource unit of the physical layer to occupancy carries out code rate adjusting by the way of punching, it is
UE distributes the eMBB running time-frequency resource for being used for transmission eMBB business datum, and determines the time domain initial position of resource impact；According to money
The time domain initial position of source mapping determines the available eMBB running time-frequency resource unit of UE；From the time domain initial position of resource impact according to
The secondary data symbol by eMBB business datum is mapped on available eMBB running time-frequency resource unit.In the eMBB running time-frequency resource of occupancy
Code block group CBG is transmitted on unit, is used for transmission URLLC business datum.
Determine that the eMBB running time-frequency resource unit that URLLC business datum occupies can be there are many method.For example, determination is distributed to
One or more symbol s of the time slot t of UE are as the eMBB running time-frequency resource unit for distributing to URLLC business datum occupancy.First
Sign is used to indicate one or more symbol s of time slot t.It is provided since URLLC generallys use broadband-style preemption with time-frequency
Source, preemption indication are transmitted using common PDCCH, indicate to be occupied in advance by URLLC using time-domain symbol grade
Resource.Also, increase 1bit information in common PDCCH, instruction URLLC occupies whether resource occurs in the time slot in advance
Before the matching of eMBB Data Physical layer processing speed.
In one embodiment, base station to eMBB UE send downlink data, time slot t have burst URLLC business need to
When URLLC UE is sent, MAC layer scheduler occupies the broadband resource of one or more symbol s of eMBB user's time slot t in advance and divides
Dispensing URLLC UE.Base station is sent URLLC symbol s and 1bit the additional information n for occupying time slot t by common PDCCH
To UE, it is downlink of the eMBB UE distribution in time slot t that 1bit additional information n, which indicates that base station occurs for the pre- occupancy of URLLC business datum,
Before or after the rate-matched of resource.EMBB UE carries out demodulation HARQ according to the instruction content in common PDCCH
ACK/NACK feedback.
Hybrid automatic repeat-request (Hybrid Automatic Repeat reQuest, HARQ) be it is a kind of by preceding to entangling
Miscoding (FEC) and automatic repeat request (ARQ) combine and the technology that is formed.After UE receives the first, second instruction information,
The control channel of UE to be monitored, the control channel of the UE can be identical as the non-preemption control channel configuration of used time UE,
The specific control channel of the UE newly defined can be used, increase the chance that can be used for autonomous retransmission.
Network side retransmits URLLC business datum to UE by control channel.For example, retransmitting the eMBB running time-frequency resource in occupancy
The code block group transmitted on unit.When retransmitting code block group, in eMBB running time-frequency resource unit of the MAC layer based on occupancy and occupying
EMBB running time-frequency resource unit on transmit transport block size TBS estimation code block group size, attached most importance to according to the size of code block group
It passes code block group and distributes resource.
UE carries out the specific control channel of UE after receiving the first, second instruction information in the specific control channel of UE
It monitors, if receiving the pre- re-transmission for occupying resource, merges with transmission for the first time and carry out HARQ feedback again, otherwise occupy money to pre-
The corresponding CBG in source feeds back NACK.UE receives the URLLC business datum of re-transmission, by the eMBB running time-frequency resource unit by occupying
The URLLC business datum of transmission and the URLLC business datum of re-transmission merge processing, send HARQ based on combined result
ACK or NACK.For example, sending HARQ ACK message if combined result is correct.
Fig. 2 is the process that data are received according to the UE in one embodiment of data-reusing transmission method disclosed by the invention
Schematic diagram, as shown in Figure 2:
Step 201, according to second indication information determine URLLC business datum to the occupancy of time interval resource whether occur into
Before row rate-matched, if it is, 202 are entered step, if it is not, then entering step 203.
Step 202, UE punches one or more symbol s of time slot t based on the first instruction information and obtains business
Data, if sending HARQ ACK message to the success of this traffic data demodulation.
For example, the value n=0 of 1 bit when second indication information, then URLLC occupies generation before rate-matched in advance, that is, exists
After physical layer realizes URLLC business datum to the occupancy of eMBB running time-frequency resource unit using hole knockout, network side equipment pair
Downlink resource including occupied eMBB running time-frequency resource unit carries out rate-matched, and eMBB user data through-rate is matched
Mode has been mapped in time slot t and has removed on the physical resource of symbol s, and UE carries out punching processing to data in symbol s when demodulating, and works as number
According to demodulating successfully, then the time slot data are demodulated to function, feed back HARQ ACK.
Step 203, UE determines CBG corresponding with one or more symbol s of time slot t, feedback based on the first instruction information
For the HARQ NACK message of CBG.
For example, then URLLC occupies generation after rate-matched in advance, i.e., as the value n=1 of 1 bit of second indication information
After network side equipment carries out rate-matched to the downlink resource for including occupied eMBB running time-frequency resource unit, physical layer is adopted
URLLC business datum is realized to the occupancy of eMBB running time-frequency resource unit with hole knockout, then eMBB user data passes through punching side
Formula has been mapped on the physical resource of symbol s of time slot t, and user feeds back NACK to CBG corresponding to symbol s.
The data-reusing transmission method provided in above-described embodiment can reduce pre- occupancy generation and use before rate-matched
The problem of HARQ NACK causes retransmission resource to waste still is fed back at family, improves downlink resource utilization efficiency, filled up currently without
The blank of the concrete scheme of identification transmission is occupied when being multiplexed based on CBG downlink transfer URLLC and eMBB in advance.
In one embodiment, as shown in figure 3, the present invention, which discloses, provides a kind of network side equipment 30, comprising: data-reusing
Unit 31, data transmission unit 32, instruction issuance unit 33 and feedback reception unit 34.Data-reusing unit 31 is generating enhancing
When mobile broadband eMBB downlink data, the eMBB running time-frequency resource list that low time delay high reliable communication URLLC business datum occupies is determined
Member.
Data transmission unit 32 transmits URLLC business datum by the eMBB running time-frequency resource unit occupied.Indicate lower bill
Member 33, which is issued by control channel to user equipment (UE), is used to indicate the of the occupied eMBB running time-frequency resource of URLLC business datum
One indicates information and is used to indicate URLLC business datum to the occupancy generation of eMBB running time-frequency resource unit to eMBB time-frequency
Second indication information before or after the rate-matched that resource unit carries out.UE is based on the first instruction information and the second instruction letter
Breath demodulates eMBB downlink data, and sends HARQ ACK or NACK message.
Data-reusing unit 31 is compiled by the way of punching in eMBB running time-frequency resource unit of the physical layer to occupancy
Bit rate is adjusted, and the data symbol of URLLC business datum is mapped on the eMBB running time-frequency resource unit of occupancy, is realized to eMBB
The occupancy of running time-frequency resource unit.Data-reusing unit 31 is the eMBB running time-frequency resource that UE distribution is used for transmission eMBB business datum,
And determine the time domain initial position of resource impact, determine that the available eMBB time-frequency of UE provides according to the time domain initial position of resource impact
The data symbol of eMBB business datum is successively mapped to available eMBB from the time domain initial position of resource impact by source unit
On running time-frequency resource unit.
Data transmission unit 32 transmits code block group CBG on the eMBB running time-frequency resource unit of occupancy, is used for transmission URLLC industry
Business data.Data-reusing unit 31 determines that the one or more symbol s for distributing to the time slot t of UE are used as and distributes to URLLC business
The eMBB running time-frequency resource unit that data occupy, the first sign are used to indicate one or more symbol s of time slot t.
When UE determines that the occupancy of time interval resource occurs for URLLC business datum to carry out rate according to second indication information
With before, then business datum is punched and is obtained based on one or more symbol ss of the second indication information to time slot t, if
To the success of this traffic data demodulation, then HARQ ACK message is sent to feedback reception unit 34.
When determining that the occupancy of eMBB running time-frequency resource unit occurs in rate for URLLC business datum according to second indication information
After matching, then UE determines CBG corresponding with one or more symbol s of time slot t based on the first instruction information, to feedback reception
Unit 34 sends the HARQ NACK message for CBG.
Fig. 4 is the module diagram according to another embodiment of network side equipment disclosed by the invention.As shown in figure 4,
The device may include memory 41, processor 42, communication interface 43 and bus 44.Memory 41 for storing instruction, is handled
Device 42 is coupled to memory 41, and processor 42 is configured as realizing that above-mentioned data are multiple based on the instruction execution that memory 41 stores
Use transmission method.On network side equipment and memory 41, processor 42, communication interface 43 and bus 44 are provided on UE.
Memory 41 can be high speed RAM memory, nonvolatile memory (NoN-volatile memory) etc., deposit
Reservoir 41 is also possible to memory array.Memory 41 is also possible to by piecemeal, and block can be combined into virtually by certain rule
Volume.Processor 42 can be central processor CPU or application-specific integrated circuit ASIC (ApplicatioN Specific
INtegrated Circuit), or it is arranged to implement one or more of data-reusing transmission method disclosed by the invention
A integrated circuit.
In one embodiment, as shown in figure 5, the present invention, which discloses, provides a kind of communication system, comprising: UE36, such as take up an official post
Network side equipment 30 in one embodiment.
Data-reusing transmission method, network side equipment and the communication system provided in above-described embodiment, determines URLLC business
The eMBB running time-frequency resource unit that data occupy, is issued to user equipment (UE) by control channel and is used to indicate URLLC business datum
The first of occupied eMBB running time-frequency resource indicates information and is used to indicate to occur to exist to the occupancy of eMBB running time-frequency resource unit
Second indication information before or after its rate-matched carried out, UE are based on the first instruction information and second indication information pair
EMBB downlink data is demodulated, and sends HARQ ACK or NACK message；Letter is indicated by carrying pre- occupy in control channel
Whether the pre- occupancy resource of breath instruction and pre- occupy occur before rate-matched, can reduce pre- occupancy and occur before rate-matched
And user still feeds back the problem of HARQ NACK causes retransmission resource to waste, and improves downlink resource utilization efficiency, has filled up current
It is not based on the blank for occupying the concrete scheme of identification transmission when CBG downlink transfer URLLC and eMBB is multiplexed in advance.
Method and system disclosed by the invention may be achieved in many ways.For example, software, hardware, firmware can be passed through
Or any combination of software, hardware, firmware realizes method and system disclosed by the invention.The step of for method it is above-mentioned
Sequence is merely to be illustrated, and the step of method disclosed by the invention is not limited to sequence described in detail above, unless with it
Its mode illustrates.In addition, in some embodiments, also the present invention can be disclosed the journey being embodied as Ji Lu in the recording medium
Sequence, these programs include for realizing the machine readable instructions of disclosed method according to the present invention.Thus, the present invention, which discloses, also to be covered
Lid storage is for executing the recording medium of the program of disclosed method according to the present invention.
Description disclosed by the invention is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this
Disclosure of the invention is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Selection and description embodiment are and to make the common skill of this field to more preferably illustrate principle and practical application disclosed by the invention
Art personnel are it will be appreciated that the present invention discloses to design various embodiments suitable for specific applications with various modifications.
Claims (17)
1. a kind of data-reusing transmission method, comprising:
When generating enhances mobile broadband eMBB downlink data, determine what low time delay high reliable communication URLLC business datum occupied
EMBB running time-frequency resource unit transmits the URLLC business datum by the eMBB running time-frequency resource unit of the occupancy；
It is issued by control channel to user equipment (UE) and is used to indicate the of the occupied eMBB running time-frequency resource of URLLC business datum
One indicates information and is used to indicate the URLLC business datum to the occupancy generation of the eMBB running time-frequency resource unit right
Second indication information before or after the rate-matched that the eMBB running time-frequency resource unit carries out；
The UE is based on the first instruction information and the second indication information demodulates eMBB downlink data, and sends
HARQ ACK or NACK message.
2. method according to claim 2, further includes:
Code rate adjusting is carried out by the way of punching in eMBB running time-frequency resource unit of the physical layer to the occupancy, it will be described
The data symbol of URLLC business datum is mapped on the eMBB running time-frequency resource unit of the occupancy, is realized to the eMBB time-frequency
The occupancy of resource unit.
3. method according to claim 2, described to use punching in eMBB running time-frequency resource unit of the physical layer to the occupancy
Mode carry out code rate adjusting before further include:
It is used for transmission the eMBB running time-frequency resource of eMBB business datum for UE distribution, and determines the time domain start bit of resource impact
It sets；
The available eMBB running time-frequency resource unit of the UE is determined according to the time domain initial position of the resource impact；
Successively being mapped to the data symbol of eMBB business datum from the time domain initial position of the resource impact described can use
EMBB running time-frequency resource unit on.
4. method according to claim 2, further includes:
Code block group CBG is transmitted on the eMBB running time-frequency resource unit of the occupancy, is used for transmission the URLLC business datum.
5. method as claimed in claim 4, when the eMBB that the determining low time delay high reliable communication URLLC business datum occupies
Frequency resource unit includes:
Determine the one or more symbol s for distributing to the time slot t of the UE as the eMBB for distributing to URLLC business datum occupancy
Running time-frequency resource unit；
Wherein, first sign is used to indicate one or more symbol s of the time slot t.
6. method as claimed in claim 5, the UE is based on the first instruction information and the second indication information pair
EMBB downlink data is demodulated and sends HARQ ACK or NACK message
When determining that the URLLC business datum is carrying out the generation of the occupancy of the time interval resource according to the second indication information
Before the rate-matched, then the UE carries out one or more symbol s of the time slot t based on the first instruction information
Business datum is punched and obtains, if sending HARQ ACK message to the success of this traffic data demodulation.
7. method as claimed in claim 5, the UE is based on the first instruction information and the second indication information pair
EMBB downlink data is demodulated, and is sent HARQ ACK or NACK message and included:
When determining that the URLLC business datum sends out the occupancy of the eMBB running time-frequency resource unit according to the second indication information
The raw one or more that after the rate-matched, then the UE indicates information determination and the time slot t based on described first
The corresponding CBG of symbol s feeds back the HARQ NACK message for the CBG.
8. the method for claim 1, wherein
The control channel includes: physical downlink control channel PDCCH；
The second indication information includes: to be used to indicate the URLLC business datum to account for the eMBB running time-frequency resource unit
With the bit occurred before or after the rate-matched carried out to the eMBB running time-frequency resource unit.
9. a kind of network side equipment, comprising:
Data-reusing unit, for determining low time delay high reliable communication when generating enhances mobile broadband eMBB downlink data
The eMBB running time-frequency resource unit that URLLC business datum occupies；
Data transmission unit, for transmitting the URLLC business datum by the eMBB running time-frequency resource unit of the occupancy；
It indicates issuance unit, is used to indicate occupied by URLLC business datum for being issued by control channel to user equipment (UE)
The first instruction of eMBB running time-frequency resource information and be used to indicate the URLLC business datum to the eMBB running time-frequency resource
The second indication information before or after rate-matched carried out to the eMBB running time-frequency resource unit occurs for the occupancy of unit；
Wherein, the UE is based on the first instruction information and the second indication information demodulates eMBB downlink data,
And send HARQ ACK or NACK message.
10. network side equipment as claimed in claim 9, wherein
The data-reusing unit, for physical layer to the eMBB running time-frequency resource unit of the occupancy by the way of punching into
Row code rate is adjusted, and the data symbol of the URLLC business datum is mapped to the eMBB running time-frequency resource unit of the occupancy
On, realize the occupancy to the eMBB running time-frequency resource unit.
11. network side equipment as claimed in claim 10, wherein
The data-reusing unit, for being used for transmission the eMBB running time-frequency resource of eMBB business datum for UE distribution, and really
Determine the time domain initial position of resource impact；When determining the available eMBB of the UE according to the time domain initial position of the resource impact
Frequency resource unit；The data symbol of eMBB business datum is successively mapped to institute from the time domain initial position of the resource impact
It states on available eMBB running time-frequency resource unit.
12. network side equipment as claimed in claim 10, wherein
The data transmission unit is used for transmission for transmitting code block group CBG on the eMBB running time-frequency resource unit of the occupancy
The URLLC business datum.
13. network side equipment as claimed in claim 12, wherein
The data-reusing unit is distributed to for determining that the one or more symbol s for distributing to the time slot t of the UE are used as
The eMBB running time-frequency resource unit that URLLC business datum occupies；Wherein, first sign is used to indicate the time slot t's
One or more symbol s.
14. network side equipment as claimed in claim 13, further includes: feedback reception unit；
When the UE determines that the occupancy of the time interval resource occurs for the URLLC business datum according to the second indication information
Before carrying out the rate-matched, then carried out based on one or more symbol ss of the second indication information to the time slot t
Business datum is punched and obtains, if sending HARQ ACK to the feedback reception unit to the success of this traffic data demodulation
Message.
15. network side equipment as claimed in claim 14, wherein
When determining that the URLLC business datum sends out the occupancy of the eMBB running time-frequency resource unit according to the second indication information
The raw one or more that after the rate-matched, then the UE indicates information determination and the time slot t based on described first
The corresponding CBG of symbol s, Xiang Suoshu feedback reception unit send the HARQ NACK message for the CBG.
16. a kind of communication system, comprising:
UE, the network side equipment as described in claim 9 to 15.
17. a kind of network side equipment, comprising:
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
Execute such as data-reusing transmission method described in any item of the claim 1 to 8.
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