CN108811094A - A kind of data transmission method - Google Patents
A kind of data transmission method Download PDFInfo
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- CN108811094A CN108811094A CN201710299597.8A CN201710299597A CN108811094A CN 108811094 A CN108811094 A CN 108811094A CN 201710299597 A CN201710299597 A CN 201710299597A CN 108811094 A CN108811094 A CN 108811094A
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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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
This application provides a kind of data transmission method, in the system applied to the UE for including base station and the work of list band, this method includes：In one PDCCH period, base station sends downstream grants information on PDCCH, and when repeating the transmission downstream grants end of message on PDCCH for the last time, downlink data is transmitted on PDSCH according to the downstream grants information；UE postpones the first default processing delay at the end of receiving downlink data on PDSCH, and the feedback information for the downlink data is sent on PUCCH；Base station is new data be at least spaced in the Downlink Control Information DCI sent on the PDCCH channels in a PDCCH period that instruction sends with the current PDCCH periods, or for the re-transmission data of the downlink data.This method can make the UE finishing services transmission that list band works.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of data transmission method.
Background technology
In broadband access system based on TD-LTE technologies, system available bandwidth is divided into multiple sons continuously or discontinuously
Band uses orthogonal frequency division multiplexing (OFDM) technical transmission on each subband.According to function by sub-band division be synchronous subband, broadcast
Subband and service sub-band.Synchronous subband connects for sending downlink synchronous signal, broadcasting sub-band for downlink broadcast and uplink random
Enter, service sub-band is used for transmission business.
In order to reduce terminal cost, system supports that list band operating mode, each physical channel must be on each subbands solely
It is vertical to send.Terminal is operated according to the different selections of hardware capabilities on all or part of subband, and the most weak terminal of ability only works
In list band.
One typical application scenarios is the radio bandwidth access network of electric system, abbreviation TD-LTE230 networks, frequency spectrum
Discrete is distributed in 230M frequency ranges, and bandwidth 8.15MHz shares the subband of 40 25kHz, and the subband of minimum frequency point is
The subband of 223.525MHz, highest frequency point are 231.65MHz.
In LTE system, minimum TTI is subframe, Physical Downlink Control Channel (Physical Downlink Control
Channel, PDCCH) in same subframe scheduling (Physical Downlink Shared Channel, PDSCH), cross-subframe tune
Spend Physical Uplink Shared Channel (Physical UplinkShared Channel, PUSCH).In NB-IOT systems, minimum TTI
It is subframe, PDCCH needs cross-subframe scheduling PDSCH and PUSCH, and the transmission across multiple subframes, PDCCH is supported periodically to send out
It send.In LTE system and NB-IOT systems, control channel occupies total system bandwidth.
The minimum TTI of 230 systems of TD-LTE is radio frames, and PDCCH is needed across wireless frame scheduling PDSCH and PUSCH.Together
When, system supports list band operating mode, and PDCCH channels are independently transmitted in each subband, and terminal only needs to monitor single subband.Cause
This, 230 systems of TD-LTE need to define new transmission mechanism.
Invention content
In view of this, the application provides a kind of data transmission method, the UE finishing services transmission that list band can be made to work.
In order to solve the above technical problems, what the technical solution of the application was realized in：
A kind of data transmission method, be applied to include the UE that base station and list band work system in, this method includes：
In one PDCCH period, base station sends downstream grants information on PDCCH, repeats to pass for the last time on PDCCH
When the defeated downstream grants end of message, downlink data is transmitted on PDSCH according to the downstream grants information；
UE postpones the first default processing delay, sends and be directed on PUCCH at the end of receiving downlink data on PDSCH
The feedback information of the downlink data；
Base station is at least being spaced the downlink control sent on the PDCCH channels in a PDCCH period with the current PDCCH periods
What instruction was sent in information DCI is new data, or for the re-transmission data of the downlink data.
Wherein, the method further includes：
When base station sends the filling message for indicating down buffer storage as sky, corresponding NDI instructions are not sent.
Wherein, the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if downlink business reaches, then monitors downstream grants
Information, and downlink traffic transmission is carried out on the PDSCH channels of the subband in the distribution of downstream grants information, and in the subband
The feedback information of downlink business described in PUCCH channels wherein, residence sub-band be the UE point in the random access procedure
Match；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
Wherein, the method further includes：
In one PDCCH period, base station sends uplink authorization information on PDCCH；
UE waits for second to preset at the end of receiving the uplink authorization information that base station repetition is sent on PDCCH for the last time
Processing delay transmits upstream data according in the uplink authorization information physically shared channel PUSCH of row；
Base station refers to being at least spaced in the DCI sent on the PDCCH channels in a PDCCH period with the current PDCCH periods
Show uplink transmission is new data, or for the re-transmission data of the upstream data.
Wherein, the method further includes：
The UE, which is sent, indicates uplink caching for empty buffer status report BSR；
When the base station receives the BSR, corresponding NDI instructions are not sent.
Wherein, the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink service reaches, then monitors uplink authorization
Information, and uplink authorization information distribution subband PUSCH channels on carry out uplink traffic transmission wherein, residence sub-band be
It is UE distribution in random access procedure；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
Wherein, the method further includes：
In one PDCCH period, base station sends the uplink and downlink comprising uplink authorization and downstream grants on PDCCH and awards simultaneously
Information is weighed, at the end of repeating transmission uplink and downlink authorization message simultaneously on PDCCH for the last time, base station is same according to the uplink and downlink
When authorization message in downstream grants transmit downlink data on PDSCH, and wait for the second default processing delay, UE is according to
Uplink authorization transmits upstream data on PUSCH in uplink and downlink while authorization message；
UE postpones the first default processing delay, sends and be directed on PUCCH at the end of receiving downlink data on PDSCH
The feedback information of the downlink data；
Base station is at least spaced in the DCI sent on the PDCCH channels in a PDCCH period point with the current PDCCH periods
Not Zhi Shi uplink sends is new data, or for the re-transmission data of the upstream data, what downlink was sent is new data or needle
To the re-transmission data of the downlink data.
Wherein, the method further includes：
For the UE, if in PUSCH transmission upstream data, while needing the confirmation of the transmission feedback PDSCH on PUCCH
When ACK/ non-acknowledgement NACK, then the ACK/NACK of feedback PDSCH is preferentially transmitted on PUCCH.
Wherein, the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink and downlink business reaches simultaneously, is then monitored
Downlink authorization message, and progress uplink service biography on the PUSCH channels of the subband in uplink and downlink authorization message distribution simultaneously simultaneously
It is defeated, carry out downlink traffic transmission on PDSCH channels, the feedback information of downlink business described in PUCCH channels, wherein stay
Subband is stayed to be in the random access procedure what the UE was distributed；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
Wherein, the method further includes：
UE is in business transmission process, if a PDCCH period reaches, DCI is not to be directed to this UE, and have PDSCH mixed
It closes automatic repeat request HARQ processes or PUSCH HARQ processes waits for NDI instructions, then start NDI waiting timers；
When timer expires, and the NDI instructions of PDSCH HARQ processes or PUSCH HARQ processes are not received, then return to and stay
It stays subband and resets all HARQ processes.
As can be seen from the above technical solution, data transmission mechanism defined herein, line number under UE is received on PDSCH
At the end of, postpone the first default processing delay, the feedback information for the downlink data is sent on PUCCH；Base station exists
It is at least spaced the Downlink Control Information (Downlink sent on the PDCCH channels in a PDCCH period with the current PDCCH periods
Control Information, DCI) in indicate whether retransmit data, can make list band work UE finishing services transmission.
Description of the drawings
Fig. 1 is downlink data transmission flow diagram in the embodiment of the present application；
Fig. 2 is downlink data transmission time diagram in the embodiment of the present application；
Fig. 3 is transmitting uplink data flow diagram in the embodiment of the present application；
Fig. 4 is transmitting uplink data time diagram in the embodiment of the present application；
Fig. 5 is the flow diagram of uplink and downlink Simultaneous Transmission of Data in the embodiment of the present application.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and examples,
Technical scheme of the present invention is described in detail.
A kind of data transmission method is provided in the embodiment of the present application, what it is applied to the UE including base station and the work of list band is
In system, the program defines data transmission mechanism, and UE is at the end of receiving downlink data on PDSCH, the default processing of delay first
Time delay sends the feedback information for the downlink data on PUCCH；Base station is at least being spaced one with the current PDCCH periods
The Downlink Control Information (Downlink Control Information, DCI) sent on the PDCCH channels in a PDCCH periods
In indicate whether retransmit data, can make list band work UE finishing services transmission.
Below in conjunction with the accompanying drawings, data transmission procedure in the embodiment of the present application is described in detail.UE in the embodiment of the present application is
The UE of list band work.
Embodiment one
It is downlink data transmission flow diagram in the embodiment of the present application referring to Fig. 1, Fig. 1.The specific steps are：
Step 101, in a PDCCH period, base station sends downstream grants information on PDCCH, on PDCCH last
When the secondary repetition transmission downstream grants end of message, downlink data is transmitted on PDSCH according to the downstream grants information.
Step 102, UE postpones the first default processing delay, physically goes at the end of receiving downlink data on PDSCH
It is sent for the anti-of the downlink data on link control channel (Physical Uplink Control CHannel, PUCCH)
Feedforward information.
Step 103, base station is sent on the PDCCH channels in a PDCCH period being at least spaced with the current PDCCH periods
What instruction was sent in DCI is new data, or for the re-transmission data of the downlink data.
It is indicated using the new data instruction (New Date Indication, NDI) in DCI in this step：
When the content of NDI is 0, what expression mandate was sent on corresponding PDSCH is to retransmit data；
When the content of NDI is 1, what expression mandate was sent on corresponding PDSCH is new data.
When base station is there is no when the downlink data for needing to send to corresponding UE, it is empty fill out that base station, which sends expression down buffer storage,
Message is filled, corresponding NDI instructions is not sent, that is, gives tacit consent to and no longer retransmit.
Here do not send corresponding NDI instruction, when sending downlink data relative to UE, base station with the current PDCCH periods
What the NDI instructions being at least spaced in the DCI sent on the PDCCH channels in a PDCCH period were sent is new data, or is directed to institute
State the re-transmission data of downlink data；Base station, which is sent, indicates the filling message that down buffer storage is empty, does not send corresponding NDI instructions,
It is not limited as to whether sending in DCI instruction other information the embodiment of the present application.
Wherein, PDCCH maximum transmission times are not more than wireless heterogeneous networks (Radio Resource Control, RRC)
The PDCCH maximum number of repetitions of message arrangement, DCI numbers of repetition are related during the actual transmissions time configures with DCI；PDSCH longests
Transmission time may continue to that current PDCCH end cycles, actual transmissions time are configured depending on DCI.
It is downlink data transmission time diagram in the embodiment of the present application referring to Fig. 2, Fig. 2.
The time that downlink data terminates, then the first default processing delay that is delayed are received from PDSCH with UE in Fig. 2,
The feedback information for the downlink data is sent on PUCCH.
It is sent out with instruction in the DCI sent on the PDCCH channels in one PDCCH period of current PDCCH period distances base station
What is sent is new data, or for the re-transmission data of the downlink data.
Foregoing description is directed to the data transmission of downlink time domain, and the business data transmission correlation for downlink frequency domain is given below
Process：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if downlink business reaches, then monitors downstream grants
Information, and downlink traffic transmission is carried out on the PDSCH channels of the subband in the distribution of downstream grants information, and in the subband
The feedback information of downlink business described in PUCCH channels, wherein residence sub-band be the UE point in the random access procedure
Match；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
Embodiment two
It is transmitting uplink data flow diagram in the embodiment of the present application referring to Fig. 3, Fig. 3.The specific steps are：
Step 301, in a PDCCH period, base station sends uplink authorization information on PDCCH.
Step 302, UE is waited at the end of receiving the uplink authorization information that base station repetition is sent on PDCCH for the last time
Second default processing delay transmits upstream data according to the uplink authorization information on PUSCH.
Step 303, base station is sent on the PDCCH channels in a PDCCH period being at least spaced with the current PDCCH periods
Uplink transmission is indicated in DCI is new data, or for the re-transmission data of the upstream data.
What is sent using the NDI instruction uplinks in DCI in this step is new data, or for the re-transmission of the upstream data
Data：
When the content of NDI be 0 when, indicate NACK and authorize sent on corresponding PUSCH be retransmit data；
When the content of NDI is 1, indicates ACK and what mandate was sent on corresponding PUSCH is new data.
The UE, which is sent, indicates uplink caching for empty buffer status report (BSR)；
When the base station receives the BSR, corresponding NDI instructions are not sent.
Here send corresponding NDI instruction, relative to UE when sending upstream data, base station with the current PDCCH periods
What the NDI instruction uplinks being at least spaced in the DCI sent on the PDCCH channels in a PDCCH period were sent is new data or needle
To the re-transmission data of the upstream data；UE is sending the BSR for indicating uplink caching as sky, when base station receives the BSR, base station
Corresponding NDI instructions need not be sent, are not limited as to whether sending in DCI instruction other information the embodiment of the present application.
Wherein, PDCCH maximum transmission times are not more than the PDCCH maximum number of repetitions of RRC information configuration, when actual transmissions
Between with DCI configure in DCI numbers of repetition it is related；PUSCH maximum transmission times can continue to next PDCCH periods
PDCCH transmission times add the second default processing delay, actual transmissions time to be configured depending on DCI.
First default processing delay and the second default processing delay may be the same or different, and be matched according to practical application
It sets, but the first default processing delay and the second default processing time are as unit of radio frames.
It is transmitting uplink data time diagram in the embodiment of the present application referring to Fig. 4, Fig. 4.It is sent on PDCCH in Fig. 4
At the end of uplink authorization information, it is delayed after the second default processing delay, upstream data is transmitted on PUSCH.
And instruction is for the upstream data in the DCI sent on the PDCCH channels for being spaced a PDCCH period
Feedback information.
Foregoing description is directed to the data transmission of uplink time domain, and the business data transmission correlation for uplink frequency domain is given below
Process：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink service reaches, then monitors uplink authorization
Information, and carry out uplink traffic transmission on the PUSCH channels of the subband in uplink authorization information distribution；Wherein, residence sub-band is
It is UE distribution in the random access procedure；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
Embodiment three
It is the flow diagram of uplink and downlink Simultaneous Transmission of Data in the embodiment of the present application referring to Fig. 5, Fig. 5.The specific steps are:
Step 501, in a PDCCH period, base station sent on PDCCH comprising uplink authorization and downstream grants up and down
Row while authorization message.
Step 502, base station at the end of repeating transmission uplink and downlink authorization message simultaneously for the last time on PDCCH, according to institute
It states downstream grants in uplink and downlink while authorization message and transmits downlink data on PDSCH, and wait for the second default processing delay,
UE transmits upstream data according to uplink authorization in the uplink and downlink simultaneously authorization message on PUSCH.
Step 503, UE postpones the first default processing delay, on PUCCH at the end of receiving downlink data on PDSCH
Send the feedback information for the downlink data.
Step 504, base station is sent on the PDCCH channels in a PDCCH period being at least spaced with the current PDCCH periods
Uplink transmission is indicated respectively in DCI is new data, or for the re-transmission data of the upstream data, what downlink was sent is new number
According to, or for the re-transmission data of the downlink data.
It is indicated using two NDI in DCI in this step：
A NDI indicating downlink relevant information is wherein used, specially：When the content of NDI is 0, indicate to authorize right
What is sent on the PDSCH answered is to retransmit data；
When the content of NDI is 1, what expression mandate was sent on corresponding PDSCH is new data.
Uplink relevant information is indicated using another NDI, specially：When the content of NDI is 0, indicates NACK and award
What power was sent on corresponding PUSCH is to retransmit data；
When the content of NDI is 1, indicates ACK and what mandate was sent on corresponding PUSCH is new data.
In the application specific embodiment no matter in the related NDI of upstream or downstream, 0 or 1 can also be corresponded to and to be indicated
Exchange, as long as base station is consistent with the represented content of UE both sides' agreement.
When base station sends the filling message for indicating down buffer storage as sky, corresponding NDI instructions are not sent.
UE, which is sent, indicates uplink caching for empty BSR；
When base station receives the BSR, corresponding NDI instructions are not sent.
Foregoing description is directed to the data transmission of uplink and downlink time domain, and the business data transmission for uplink and downlink frequency domain is given below
Correlated process：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink and downlink business reaches simultaneously, is then monitored
Downlink authorization message, and progress uplink service biography on the PUSCH channels of the subband in uplink and downlink authorization message distribution simultaneously simultaneously
It is defeated, carry out downlink traffic transmission on PDSCH channels, the feedback information of downlink business described in PUCCH channels, wherein stay
Subband is stayed to be in the random access procedure what the UE was distributed；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
For the UE, if in PUSCH transmission upstream data, while needing the confirmation of the transmission feedback PDSCH on PUCCH
(ACK)/(non-acknowledgement) when NACK, then the ACK/NACK of feedback PDSCH is preferentially transmitted on PUCCH.
The special PDCCH search space of different user terminals may overlap, and business is transmitted without in the PDCCH periods
Seize, but the new PDCCH periods reach, and high-priority service can be distributed preferentially.
Public PDCCH search space for paging, random access response, it is also possible to searched for the special PDCCH of user empty
Between overlap.
Same user pages according to status differentiation, random access or business are transmitted, and three will not send out simultaneously
It is raw, but resource contention may occur between different user, it is followed successively by paging according to the sequence of priority from high to low>It connects at random
Enter response>Business, paging can seize random access response and business transmission, and random access response can seize business transmission.
UE is in business transmission process, if a PDCCH period reaches, DCI is not to be directed to this UE, and have PDSCH mixed
It closes automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) process or PUSCH HARQ processes waits for
NDI is indicated, then starts NDI waiting timers；
When timer expires, and the NDI instructions of PDSCH HARQ processes or PUSCH HARQ processes are not received, then return to and stay
It stays subband and resets all HARQ processes.
In conclusion the UE finishing services that the application by defining data transmission mechanism, can make list band work pass
It is defeated.
Treatment mechanism when multi-user resource conflict is given in the embodiment of the present application.In normal transmission flow and biography
In defeated interruption flow, ensure that terminal monitoring list band can effectively identify transmission state and finishing service transmission.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (10)
1. a kind of data transmission method, be applied to include base station and the system of user terminal UE that list band works in, feature
It is, this method includes：
In one physical downlink control channel PDCCH period, base station sends downstream grants information on PDCCH, on PDCCH most
Afterwards when the primary repetition transmission downstream grants end of message, according to the downstream grants information in Physical Downlink Shared Channel PDSCH
Upper transmission downlink data；
UE postpones the first default processing delay, physically row control channel at the end of receiving downlink data on PDSCH
The feedback information for the downlink data is sent on PUCCH；
Base station is at least being spaced the Downlink Control Information sent on the PDCCH channels in a PDCCH period with the current PDCCH periods
What instruction was sent in DCI is new data, or for the re-transmission data of the downlink data.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
When base station sends the filling message for indicating down buffer storage as sky, corresponding new data instruction NDI instructions are not sent.
3. according to the method described in claim 1, it is characterized in that, the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if downlink business reaches, then monitors downstream grants information,
And downlink traffic transmission is carried out on the PDSCH channels of the subband in the distribution of downstream grants information, and in the PUCCH channels of the subband
The feedback information of the upper transmission downlink business wherein, residence sub-band be in the random access procedure what the UE was distributed；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
4. according to the method described in claim 1, it is characterized in that, the method further includes：
In one PDCCH period, base station sends uplink authorization information on PDCCH；
UE waits for the second default processing at the end of receiving the uplink authorization information that base station repetition is sent on PDCCH for the last time
Time delay transmits upstream data according in the uplink authorization information physically shared channel PUSCH of row；
Base station is at least spaced in the DCI sent on the PDCCH channels in a PDCCH period with the current PDCCH periods in instruction
What row was sent is new data, or for the re-transmission data of the upstream data.
5. according to the method described in claim 4, it is characterized in that, the method further includes：
The UE, which is sent, indicates uplink caching for empty buffer status report BSR；
When the base station receives the BSR, corresponding NDI instructions are not sent.
6. according to the method described in claim 4, it is characterized in that, the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink service reaches, then monitors uplink authorization information,
And carrying out uplink traffic transmission wherein on the PUSCH channels of the subband in uplink authorization information distribution, residence sub-band is random
It is UE distribution in access procedure；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
7. according to the method described in claim 1, it is characterized in that, the method further includes：
In one PDCCH period, base station sends the uplink and downlink comprising uplink authorization and downstream grants on PDCCH while authorizing letter
Breath, at the end of repeating transmission uplink and downlink authorization message simultaneously on PDCCH for the last time, base station is awarded simultaneously according to the uplink and downlink
Downstream grants transmit downlink data on PDSCH in power information, and wait for the second default processing delay, and UE is according to described upper and lower
Uplink authorization transmits upstream data on PUSCH in row while authorization message；
UE postpones the first default processing delay at the end of receiving downlink data on PDSCH, is sent for described on PUCCH
The feedback information of downlink data；
Base station is respectively referred to being at least spaced in the DCI sent on the PDCCH channels in a PDCCH period with the current PDCCH periods
Show uplink transmission is new data, or for the re-transmission data of the upstream data, what downlink was sent is new data, or is directed to institute
State the re-transmission data of downlink data.
8. the method according to the description of claim 7 is characterized in that the method further includes：
For the UE, if in PUSCH transmission upstream data, while needing the confirmation ACK/ of the transmission feedback PDSCH on PUCCH non-
When confirming NACK, then the ACK/NACK of feedback PDSCH is preferentially transmitted on PUCCH.
9. the method according to the description of claim 7 is characterized in that the method further includes：
When the first business of UE reaches, the PDCCH of residence sub-band is monitored, if uplink and downlink business reaches simultaneously, then monitors uplink and downlink
Authorization message simultaneously, and uplink traffic transmission is carried out on the PUSCH channels of the subband in uplink and downlink authorization message distribution simultaneously,
Carry out downlink traffic transmission on PDSCH channels, the feedback information of downlink business described in PUCCH channels, wherein resident son
It is in the random access procedure what the UE was distributed with being；
In business transmission process, UE monitors always the PDCCH of the subband of authorization message distribution.
10. according to claim 1-9 any one of them methods, which is characterized in that the method further includes：
UE is in business transmission process, if a PDCCH period reaches, DCI is not to be directed to this UE, and have PDSCH mixing certainly
Dynamic retransmission request HARQ processes or PUSCH HARQ processes wait for NDI instructions, then start NDI waiting timers；
When timer expires, and the NDI instructions of PDSCH HARQ processes or PUSCH HARQ processes are not received, then return to resident son
Band and reset all HARQ processes.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996289A (en) * | 2019-04-03 | 2019-07-09 | 成都中科微信息技术研究院有限公司 | A kind of method for distributing uplink resource in smart grid |
| CN110121856A (en) * | 2019-03-27 | 2019-08-13 | 北京小米移动软件有限公司 | Control area configuration method and device |
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| CN111988859A (en) * | 2019-05-21 | 2020-11-24 | 普天信息技术有限公司 | Downlink control information transmission method |
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| CN113141654A (en) * | 2020-01-19 | 2021-07-20 | 成都鼎桥通信技术有限公司 | Downlink resource scheduling authorization method and system |
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| CN111901856A (en) * | 2020-08-14 | 2020-11-06 | 青海九0六工程勘察设计院 | Soil sampling data transmission method and system for geological drilling |
| CN114337945A (en) * | 2020-09-28 | 2022-04-12 | 维沃移动通信有限公司 | Information indication method, device, terminal, network equipment and storage medium |
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