CN108809502A - The feedback information generating method and Related product of mixed automatic retransfer - Google Patents
The feedback information generating method and Related product of mixed automatic retransfer Download PDFInfo
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- CN108809502A CN108809502A CN201710314020.XA CN201710314020A CN108809502A CN 108809502 A CN108809502 A CN 108809502A CN 201710314020 A CN201710314020 A CN 201710314020A CN 108809502 A CN108809502 A CN 108809502A
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- Prior art keywords
- code block
- feedback information
- decoding error
- block group
- information
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Classifications
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
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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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0079—Formats for control data
- H04L1/0081—Formats specially adapted to avoid errors in the feedback channel
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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]
Abstract
The present embodiments relate to fields of communication technology, disclose a kind of feedback information generating method and device of mixed automatic retransfer.Wherein, this method includes：It receives the first subframe and the transmission block in first subframe is decoded；In the case of all code blocks for including in the transmission block decode correctly, generation is used to indicate the transmission block and decodes correct feedback information；If at least one code block decoding error in the transmission block, the feedback information for the affiliated code block group decoding error of code block for being used to indicate at least one decoding error is generated.Implement the embodiment of the present invention, the precision of feedback and the expense of control channel can be considered, so that communication system performance maximizes.
Description
Technical field
The present invention relates to field of communication technology more particularly to the feedback information generating methods and phase of a kind of mixed automatic retransfer
Close product.
Background technology
With the swift and violent growth of mobile communication business, in order to provide a user more good Internet resources, meet more
The application demand of usage scenario and higher rate has had been enter into the 5th generation communication technology (5G) to the research of mobile communication technology
Epoch.5G is a kind of communication of multi-technical fusion, and extensive data are met by the change and innovation of technology, connect business
Demand.And for 3G (Third Generation) Moblie partnership projects (Third Generation Partnership Project, 3GPP),
Research for 5G key technologies also becomes the emphasis in 3GPP standardization efforts.3GPP defines three large scenes of 5G technologies：
Enhanced wireless broadband (Enhanced Mobile Broadband, eMBB), low time delay high reliable communication (Ultra-
Reliable Low-latency Communications, URLLC) and large-scale machines type communication (Massive
Machine Type Communications, mMTC).
Among three large scenes of above-mentioned 5G technologies, eMBB technologies mainly carry：The big flows such as 3D/ ultra high-definition videos move
Broadband services；MMTC technologies mainly carry：Extensive internet of things service；URLLC technologies mainly carry：It is such as unmanned, industrial
Automation etc. need low time delay, highly reliable connection business.Demand in this three large scene, i.e., highly reliable, low time delay, large capacity
Etc. characteristics also become the demand and goal in research of 5G technologies.
In LTE technologies, hybrid automatic repeat-request (Hybrid Automatic Repeat Request, HARQ) is
A kind of recipient in case the decoding was unsuccessful, preserves the data received, and sender is required to retransmit data, and recipient will weigh
The data of biography and previously received data merge the technology of rear further decoding.
HARQ procedure because it is related to the scheduling of data, transmission, feedback etc., become 5G newly eat dishes without rice or wine in technology first and
The research point that emphasis will be studied.However, the precision that existing HARQ feedback mode is fed back is relatively low, so as to reduce system
Performance.
Invention content
An embodiment of the present invention provides a kind of feedback information generating method of mixed automatic retransfer and Related product, Ke Yiyou
Effect improves the precision of feedback.
First aspect of the embodiment of the present invention discloses a kind of feedback information generating method of mixed automatic retransfer, including：
It receives the first subframe and the transmission block in first subframe is decoded；
If at least one code block decoding error in the transmission block, generation is used to indicate at least one decoding error
The feedback information of the affiliated code block group decoding error of code block；
Send the feedback information.
If as an alternative embodiment, all code blocks for including in the transmission block decode correctly, generates and use
Correct feedback information is decoded in the instruction transmission block.
As an alternative embodiment, the generation is used to indicate belonging to the code block of at least one decoding error
Before the feedback information of code block group decoding error, the method further includes：
The code block for including in the transmission block is grouped to obtain N number of code block group, N number of code block group includes described
Code block group belonging to the code block of at least one decoding error；The N is the positive integer more than 1.
As an alternative embodiment, the generation is used to indicate belonging to the code block of at least one decoding error
After the feedback information of code block group decoding error, the method further includes：
It will be for the feedback information of the affiliated code block group of the code block of at least one decoding error or for N number of code
The feedback information of block group is encapsulated in the second subframe to be fed back.
As an alternative embodiment, the generation, which is used to indicate the transmission block, decodes correct feedback information,
Including：
If first subframe is downlink subframe, the information of the serving cell of terminal is obtained to select physics uplink
Control channel PUCCH format, the PUCCH format can be 1 bit feedback information, 2 bit feedback information or 20 bit feedbacks letter
Breath.
As an alternative embodiment, the information of the serving cell includes quantity and the institute of the serving cell
State whether serving cell is multi-input multi-output system MIMO.
Second aspect of the embodiment of the present invention discloses a kind of feedback information generating means of mixed automatic retransfer, including：
Receiving unit, for receiving the first subframe；
Decoding unit, for being decoded to the transmission block in first subframe；
First generation unit,
If at least one code block decoding error in the transmission block, it is wrong that generation is used to indicate at least one decoding
The feedback information of the affiliated code block group decoding error of code block accidentally；
Transmission unit sends the feedback information.
As an alternative embodiment, described device further includes：
Second generation unit, if all code blocks for including in the transmission block decode correctly, generation is used to indicate
The transmission block decodes correct feedback information.
As an alternative embodiment, described device further includes：
Grouped element, it is described N number of for being grouped to the code block for including in the transmission block to obtain N number of code block group
Code block group includes the code block group belonging to the code block of at least one decoding error；The N is the positive integer more than 1.
As an alternative embodiment, described device further includes：
Encapsulation unit, for will be directed at least one decoding error the affiliated code block group of code block feedback information or
It is encapsulated in the second subframe for the feedback information of N number of code block group to be fed back.
As an alternative embodiment, first generation unit, if being downlink specifically for first subframe
Subframe then obtains the information of the serving cell of terminal to select physical uplink control channel PUCCH format, the PUCCH
Format can be 1 bit feedback information, 2 bit feedback information or 20 bit feedback information.
As an alternative embodiment, the information of the serving cell includes quantity and the institute of the serving cell
State whether serving cell is multi-input multi-output system MIMO.
The third aspect of the embodiment of the present invention discloses a kind of terminal device, and the terminal device includes：Transceiver, processor
And memory, wherein：
The memory is for storing instruction and data；
The processor is executed for reading the instruction and data stored in the memory described in above-mentioned first aspect
Method.
Fourth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, the computer-readable storage medium
It is stored with computer program in matter, the method as described in above-mentioned various aspects is realized when the computer program is executed by processor.
The 5th aspect of the embodiment of the present invention discloses a kind of base station, and the base station includes：Transceiver, processor and storage
Device, wherein：
The memory is for storing computer program；
The processor is executed for reading the computer program stored in the memory described in above-mentioned various aspects
Method.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：When there is code block decoding in transmission block
It when mistake, is fed back as unit of code block group, more rich feedback information is provided for communication system, reduce retransmission cost, from
And improve communication system performance.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of schematic diagram of communication system applications scene disclosed by the embodiments of the present invention；
Fig. 2 is a kind of flow signal of feedback information generating method of mixed automatic retransfer disclosed by the embodiments of the present invention
Figure；
Fig. 3 is the flow signal of the feedback information generating method of another mixed automatic retransfer disclosed by the embodiments of the present invention
Figure；
Fig. 4 is a kind of structural representation of the feedback information generating means of mixed automatic retransfer disclosed by the embodiments of the present invention
Figure；
Fig. 5 is the structural representation of the feedback information generating means of another mixed automatic retransfer disclosed by the embodiments of the present invention
Figure；
Fig. 6 is a kind of structural schematic diagram of terminal device disclosed by the embodiments of the present invention；
Fig. 7 is a kind of structural schematic diagram of base station disclosed by the embodiments of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Term " first ", " second " in description and claims of this specification and above-mentioned attached drawing etc. are for distinguishing
Different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any deformations, meaning
Figure, which is to cover, non-exclusive includes.Such as contain process, method, system, product or the equipment of series of steps or unit
The step of being not limited to list or unit, but further include the steps that optionally not listing or unit, or optionally also
Include for other intrinsic steps of these processes, method or equipment or unit.
An embodiment of the present invention provides a kind of feedback information generating method of mixed automatic retransfer and Related products, can be comprehensive
The expense of the precision and control channel that consider feedback is closed, so that communication system performance maximizes.It is described in detail separately below.
Referring to Fig. 1, Fig. 1 is a kind of schematic diagram of communication system applications scene disclosed by the embodiments of the present invention.The communication
System can apply LTE network or 5G networks.As shown in Figure 1, terminal device by evolved base station (evolved Node B,
ENB) Access Core Network realizes sending and receiving for data by being interacted with eNB.In 5G systems, base station can be with
For the base stations 5G gNB.
Above-mentioned terminal device can be mobile phone, intelligent terminal, multimedia equipment and stream media equipment etc., and the embodiment of the present invention is not
It limits.And above-mentioned eNB be in LTE network after terminal device and evolution packet-based core networks (Evolved Packet Core,
EPC the bridge between) is attached by X2 interface between eNB, and major function has：Wireless resource management, network interconnection association
Discuss the mobility management entity when compression of (Internet Protocol, IP) head and user data stream encryption, terminal device attachment
(Mobility Management Entity, MME) selection, routing user face data to gateway (Serving
Gateway, S-GW), the tissue of paging message and transmission, the tissue of broadcast message and transmission, for the purpose of mobility or scheduling
Measurement and measurement report configuration etc..
Referring to Fig. 2, Fig. 2 is a kind of feedback information generating method of mixed automatic retransfer disclosed by the embodiments of the present invention
Flow diagram.The feedback information generating method of the embodiment of the present invention can be executed by the terminal device that user uses, such as intelligently
Mobile phone, smartwatch, palm PC, tablet computer, personal digital assistant (Personal Digital Assistant, PDA),
Point-of-sale terminal (Point of Sales, POS) etc.；In addition to this, it can also be executed by network equipments such as base stations, specially which kind of sets
The standby embodiment of the present invention does not limit.The embodiment of the present invention is illustrated by taking terminal device as an example.Wherein, shown in Fig. 2 mixed
The feedback information generating method for closing autonomous retransmission may comprise steps of：
201, it receives the first subframe and the transmission block in the first subframe is decoded.
Terminal device receives the first subframe sent by base station, and to the first son during being interacted with base station
The transmission block (Transmission Block, TB) for including in frame is decoded.
During mixed automatic retransfer (Hybrid Automatic Repeat Request, HARQ), terminal device exists
After receiving data, data are decoded, if decoding failure, preserve the data received, and feedback letter is sent to base station
Breath, to require base station to retransmit data, after receiving the data of re-transmission, by the data of re-transmission and previously received data into
Row merges to be decoded again.In this way, it can efficiently compensate due to using error code caused by link adaptation, improving
Message transmission rate, reduces data transmission delay.
202, determine in above-mentioned transmission block whether all code blocks for including decode correctly, if the institute for including in above-mentioned transmission block
There is code block to decode correctly, executes step 203；If at least one code block decoding error in above-mentioned transmission block, step 204 is executed.
203, the feedback letter for the affiliated code block group decoding error of code block for being used to indicate above-mentioned at least one decoding error is generated
Breath.
If in the transmission block in the subframe that terminal device is currently received there are one or multiple code block decoding errors, if pressed
It is if unit is fed back to base station according to transmission block, base station can be retransmitted to entirely transmitting data in the block, to increase
The expense retransmitted, reduces the data transmission efficiency of communication system.
Therefore, in embodiments of the present invention, if terminal device determines at least one code block decoding error in transmission block,
It is to generate and be used to indicate in a manner of unit is fed back to take entire transmission block by code block group (Code Block Group)
Whether the code block group for including in the transmission block decodes correct feedback information.After the feedback information reaches base station, base station only will solution
The code block group of code mistake retransmits, and more rich feedback information can be not only provided for communication system, moreover it is possible to reduce retransmission cost, carry
The data transmission efficiency of high communication system.
204, it generates and is used to indicate the correct feedback information of above-mentioned transmission block decoding.
In embodiments of the present invention, when generation is sent to the feedback information of base station, it may be considered that the code block received
The decoding cases of (Code Block, CB) flexibly to select the generating mode of feedback information.If the subframe that terminal is currently received
In transmission code block in the block decode correctly, then terminal device can generate the feedback information as unit of transmission block, this is anti-
Feedforward information is used to indicate transmission block decoding correctly, and the feedback information is sent to base station.Optionally, which can be
1 bit or 2 bits, so as to using less data amount feed back up to one transmission block data whether receive correctly, from
And signaling overheads is reduced, namely reduce the signalling loads of control channel.
As an alternative embodiment, terminal device can be grouped the code block for including in transmission block to obtain
N number of code block group is later numbered above-mentioned N number of code block group, and will be grouped the code block group obtained after operation to transmission block
Grouping information, code-aiming block group be numbered acquisition number information and at least one decoding error the affiliated code block group of code block
Number feed back to base station, in this way, base station can determine which of transmission block code block group retransmission error, and retransmit
The code block or re-transmission that include in the affiliated code block group of code block of at least one decoding error include the entire of the code block of decoding error
Code block group.
As an alternative embodiment, it can include above-mentioned grouping that terminal device, which is fed back in the feedback information of base station,
The number of the affiliated code block group of code block of information, number information and at least one decoding error.
If however, when being fed back to N number of code block group, each feedback information include above-mentioned three kinds of information (grouping information,
The number of number information and the code block group fed back), then the total amount of data for being used to be fed back is larger, increases control channel
Transmission burden.
Therefore, as an alternative embodiment, before generating feedback information, terminal device can be calculated to N number of
Code block group generates the total amount of data of N number of feedback information, if the total amount of data is more than predetermined threshold value, generates and believes for feedback packet
The reference information of breath and number information, base station is sent to by the reference information；After this, terminal device, which generates, is directed to each code
Only needed when the feedback information of block group, in the feedback information include the code block group currently fed back number, and no longer need include
Grouping information and number information, to reduce the signaling overheads of feedback operation.
It can be seen that implement method described in Fig. 2, it can be when transmission code block in the block decodes correct, to entire
Transmission block is fed back to reduce signaling overheads；When there is code block decoding error in transmission block, carried out as unit of code block group anti-
Feedback provides more rich feedback information for communication system, retransmission cost is reduced, to improve communication system performance.
Referring to Fig. 3, Fig. 3 is the feedback information generating method of another mixed automatic retransfer disclosed by the embodiments of the present invention
Flow diagram.The feedback information generating method of the embodiment of the present invention can be executed by the terminal device that user uses, such as intelligence
Can mobile phone, smartwatch, palm PC, tablet computer, personal digital assistant (Personal Digital Assistant,
PDA), point-of-sale terminal (Point of Sales, POS) etc.；In addition to this, it can also be executed by network equipments such as base stations, specially
Which kind of equipment embodiment of the present invention does not limit.The embodiment of the present invention is illustrated by taking terminal device as an example.As shown in figure 3,
This method may comprise steps of：
301, it receives the first subframe and the transmission block in the first subframe is decoded.
The embodiment of the present invention is illustrated by taking terminal device as an example, and terminal device is in the process interacted with base station
In, receive the first subframe sent by base station, and the transmission block to including in the first subframe (Transmission Block, TB)
It is decoded.
During mixed automatic retransfer (Hybrid Automatic Repeat Request, HARQ), terminal device exists
After receiving data, data are decoded, if decoding failure, preserve the data received, and then send and feed back to base station
Information, to require base station to retransmit data, after receiving the data of re-transmission, by the data of re-transmission and previously received data
It merges and is decoded again.In this way, it can efficiently compensate due to using error code caused by link adaptation, carrying
High message transmission rate, reduces data transmission delay.
302, determine in above-mentioned transmission block whether all code blocks for including decode correctly, if the institute for including in above-mentioned transmission block
There is code block to decode correctly, executes step 303；If stating at least one code block decoding error in transmission block, step 304 is executed to step
Rapid 306.
303, it generates and is used to indicate the correct feedback information of above-mentioned transmission block decoding.
In embodiments of the present invention, when generation is sent to the feedback information of base station, it may be considered that the code block received
The decoding cases of (Code Block, CB) flexibly to select the generating mode of feedback information.If the subframe that terminal is currently received
In transmission code block in the block decode correctly, then terminal device can generate the feedback information as unit of transmission block, this is anti-
Feedforward information is used to indicate transmission block decoding correctly, and the feedback information is sent to base station.Optionally, which can be
1 bit or 2 bits, so as to using less data amount feed back up to one transmission block data whether receive correctly, from
And signaling overheads is reduced, namely reduce the signalling loads of control channel.
As an alternative embodiment, because the first subframe is downlink subframe, terminal device feeds back base station
When, the physical uplink control channel PUCCH format of feedback information may be different.Above-mentioned PUCCH format can be 1 ratio
Special feedback information, 2 bit feedback information or 20 bit feedback information.
Assuming that only considering the serving cell (Service Cell, Scell) of terminal device, descending carrier polymerize (Carrier
Aggregation, CA) in, multiple carrier units (Component Carrier, CC) respectively correspond to a Scell, Ke Neng
There are downlink subframe transmission in the same Transmission Time Interval (Transmission Time Interval, TTI).
However, since PUCCH can only be transmitted on main plot (Primary Cell, PCell), and each terminal device exists
A PUCCH can only be sent in each subframe, therefore terminal device may need on a sub-frame of uplink of PCell, used
One PUCCH carries out HARQ ACK/NACK responses to the PDSCH transmitted in the corresponding downlink subframes of all Scell, and (i.e. transmission is mixed
Close the feedback information of autonomous retransmission).
For frequency division duplex (Frequency Division Dual, FDD), in a sub-frame of uplink, at most need
Feed back the HARQ ACK/NACK information of 10 bits.This is because a terminal device at most can configure 5 Scell, if often
A Scell is configured with multi-input multi-output system MIMO, then each Scell needs the HARQ ACK/NACK of 2 bits, institute
At most to need to transmit the HARQ ACK/NACK information of 10 bits.And for time division duplex (Time Division Dual,
TDD for), in a sub-frame of uplink, it may be necessary to feed back 20 bits, or the HARQ ACK/ more than 20 bits
Nack message.
304, the code block for including in above-mentioned transmission block is grouped to obtain N number of code block group.
If in the transmission block in the subframe that terminal device is currently received there are one or multiple code block decoding errors, if according to
Old according to transmission block is if unit fed back to base station, and base station can be retransmitted to entirely transmitting data in the block, to
The expense for increasing re-transmission reduces the data transmission efficiency of communication system.
Therefore, in embodiments of the present invention, if terminal device determines at least one code block decoding error in transmission block,
The code block for including in transmission block is grouped to obtain more than one code block group, is carried out as unit of code block group later anti-
Feedback.
305, the feedback letter for the affiliated code block group decoding error of code block for being used to indicate above-mentioned at least one decoding error is generated
Breath.
In the embodiment of the present invention, it is that unit carries out instead to take entire transmission block with code block group (Code Block Group)
The mode of feedback generates and is used to indicate whether the code block group for including in the transmission block decodes correct feedback information.The feedback letter
After breath reaches base station, base station only retransmits the code block group of decoding error, and more rich feedback can be not only provided for communication system
Information, moreover it is possible to reduce retransmission cost, improve the data transmission efficiency of communication system.
306, it will be encapsulated in the second subframe for the feedback information of the affiliated code block group of the code block of at least one decoding error
To be fed back.
In the embodiment of the present invention, terminal device generates the feedback of the affiliated code block group of code block at least one decoding error
After information, which can be encapsulated in the second subframe, the second subframe be fed back into base station, so that base station is according to extremely
Whether the affiliated code block group of code block of a few decoding error decodes the code block for correctly deciding whether to retransmit at least one decoding error
Data in affiliated code block group.
As an alternative embodiment, terminal device can generate feedback to transmitting all code block groups in the block
After information, these feedback information grades are associated in second subframe and feed back to base station, the signaling to reduce control channel consumes.
It can be seen that method described in implementing Fig. 3, it can be when transmission code block in the block decodes correct, to entire
Transmission block is fed back to reduce signaling overheads；When there is code block decoding error in transmission block, carried out as unit of code block group anti-
Feedback provides more rich feedback information for communication system, retransmission cost is reduced, to improve communication system performance.
Referring to Fig. 4, Fig. 4 is a kind of feedback information generating means of mixed automatic retransfer disclosed by the embodiments of the present invention
400 structural schematic diagram.The feedback information generating means of the embodiment of the present invention may be provided in the terminal device that user uses, example
Such as smart mobile phone, smartwatch, palm PC, tablet computer, personal digital assistant (Personal Digital
Assistant, PDA), point-of-sale terminal (Point of Sales, POS) etc.；In addition to this, the networks such as base station are can also be provided to set
Standby interior, specially which kind of equipment embodiment of the present invention does not limit.The embodiment of the present invention is illustrated by taking terminal device as an example.
As shown in figure 4, the device may include：
Receiving unit 401, for receiving the first subframe.
Decoding unit 402, for being decoded to the transmission block in the first subframe.
First generation unit 403, if at least one code block decoding error in above-mentioned transmission block, generation is used to indicate
State the feedback information of the affiliated code block group decoding error of code block of at least one decoding error.
Transmission unit 410 sends the feedback information.
As an alternative embodiment, the device further includes the second generation unit 404, if in above-mentioned transmission block
Including all code blocks decode correctly, generation is used to indicate above-mentioned transmission block and decodes correct feedback information.
As an alternative embodiment, above-mentioned first generation unit 403, if being downlink specifically for the first subframe
Frame then obtains the information of the serving cell of terminal to select physical uplink control channel PUCCH format, above-mentioned PUCCH lattice
Formula can be 1 bit feedback information, 2 bit feedback information or 20 bit feedback information.The information of above-mentioned serving cell includes above-mentioned
Whether the quantity of serving cell and above-mentioned serving cell are multi-input multi-output system MIMO.
It is single with code block group when there is code block decoding error in transmission block it can be seen that using device described in Fig. 4
Position is fed back, and more rich feedback information is provided for communication system, retransmission cost is reduced, to improve communication system performance.
And in an optional embodiment, entire transmission block can be carried out anti-when transmission code block in the block decodes correct
Feedback is to reduce signaling overheads.
Please refer to fig. 5, the feedback information that Fig. 5 is another mixed automatic retransfer disclosed by the embodiments of the present invention generates
The structural schematic diagram of device 500.Wherein, device shown in fig. 5 is that device as shown in Figure 4 optimizes, with Fig. 4 institutes
The device shown is compared, and device shown in fig. 5 further includes：
Grouped element 405, for being grouped to the code block for including in above-mentioned transmission block to obtain N number of code block group.Above-mentioned N
A code block group includes the affiliated code block group of code block of above-mentioned at least one decoding error, and above-mentioned N is the positive integer more than 1.
Encapsulation unit 406, for the feedback information of the affiliated code block group of code block of above-mentioned at least one decoding error will to be directed to
Or it is encapsulated in the second subframe for the feedback information of N number of code block group to be fed back.
Computing unit 407, for calculating the total amount of data for generating N number of feedback information to above-mentioned N number of code block group.
Numbered cell 408, for above-mentioned N number of code block group to be numbered.
Third generation unit 409 generates if being more than predetermined threshold value for above-mentioned total amount of data for feeding back above-mentioned grouping behaviour
The reference information of the number information after grouping information and the operation of above-mentioned number after work；In addition to this, described in being used to indicate at least
The feedback information of the affiliated code block group decoding error of code block of one decoding error includes belonging to the code block of at least one decoding error
The number of code block group.
It can be seen that using device described in Fig. 5, it can be when transmission code block in the block decodes correct, to entire
Transmission block is fed back to reduce signaling overheads；It is single with code block group when there is at least one code block decoding error in transmission block
Position is fed back, and more rich feedback information is provided for communication system, retransmission cost is reduced, to improve communication system performance.
Referring to Fig. 6, Fig. 6 is a kind of structural schematic diagram of terminal device 600 disclosed by the embodiments of the present invention.Such as Fig. 6 institutes
Show, for convenience of description, illustrates only and do not disclose, please refer to the relevant part of the embodiment of the present invention, particular technique details
Present invention method part.The terminal device 600 can be mobile phone, tablet computer, PDA (Personal Digital
Assistant, personal digital assistant), the arbitrary terminal device such as POS (Point of Sales, point-of-sale terminal) or vehicle-mounted computer,
By taking terminal is mobile phone as an example：
Fig. 6 shows the block diagram with the part-structure of the relevant mobile phone of terminal provided in an embodiment of the present invention.Reference chart
6, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 601, memory 602, input unit 603, display unit 604,
Sensor 605, voicefrequency circuit 606, Wireless Fidelity (wireless fidelity, WiFi) module 607, processor 608 and
The components such as power supply 609.It will be understood by those skilled in the art that handset structure shown in Fig. 6 does not constitute the restriction to mobile phone,
May include either combining certain components or different components arrangement than illustrating more or fewer components.
Each component parts of mobile phone is specifically introduced with reference to Fig. 6：
RF circuits 601 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, handled to processor 608；In addition, the data for designing uplink are sent to base station.In general, RF circuits 601
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise
Amplifier, LNA), duplexer etc..In addition, RF circuits 601 can also be communicated with network and other equipment by radio communication.
Above-mentioned wireless communication can use any communication standard or agreement, including but not limited to global system for mobile communications (Global
System of Mobile communication, GSM), general packet radio service (General Packet Radio
Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access
(Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution,
LTE), Email, short message service (Short Messaging Service, SMS) etc..
Memory 602 can be used for storing computer program and module, and processor 608 is stored in memory by operation
602 computer program and module, to execute various function application and the data processing of mobile phone.Memory 602 can be led
To include storing program area and storage data field, wherein storing program area can storage program area, needed at least one function
Application program (such as sound-playing function, image player function etc.) etc.；Storage data field can be stored uses institute according to mobile phone
Data (such as audio data, phone directory etc.) of establishment etc..In addition, memory 602 may include high-speed random access memory,
Can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-states are deposited
Memory device.
Input unit 603 can be used for receiving the number or character information of input, and generate with the user setting of mobile phone with
And the related key signals input of function control.Specifically, input unit 603 may include that touch panel 6031 and other inputs are set
Standby 6032.Touch panel 6031, also referred to as touch screen, collect user on it or neighbouring touch operation (for example user makes
With the operation of any suitable object or attachment such as finger, stylus on touch panel 6031 or near touch panel 6031),
And corresponding attachment device is driven according to preset formula.Optionally, touch panel 6031 may include touch detecting apparatus
With two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect what touch operation was brought
Signal transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and it is converted
At contact coordinate, then processor 608 is given, and order that processor 608 is sent can be received and executed.Furthermore, it is possible to adopt
Touch panel 6031 is realized with multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
6031, input unit 603 can also include other input equipments 6032.Specifically, other input equipments 6032 may include but
One be not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
Kind is a variety of.
Display unit 604 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 604 may include display panel 6041, optionally, liquid crystal display (Liquid Crystal may be used
Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) it is aobvious to configure
Show panel 6041.Further, touch panel 6031 can cover display panel 6041, when touch panel 6031 detects on it
Or after neighbouring touch operation, processor 608 is sent to determine the type of touch event, is followed by subsequent processing device 608 according to touch
The type of event provides corresponding visual output on display panel 6041.Although in figure 6, touch panel 6031 and display surface
Plate 6041 be realize input and the input function of mobile phone as two independent components, but in some embodiments it is possible to
It is touch panel 6031 and display panel 6041 is integrated and that realizes mobile phone output and input function.
Mobile phone may also include at least one sensor 605, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light
Light and shade adjust the brightness of display panel 6041, proximity sensor can close display panel when mobile phone is moved in one's ear
6041 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add
The size of speed can detect that size and the direction of gravity when static, can be used to identify application (such as the horizontal/vertical screen of mobile phone posture
Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Also as mobile phone
The other sensors such as configurable gyroscope, barometer, hygrometer, thermometer, infrared sensor, details are not described herein.
Voicefrequency circuit 606, loud speaker 6061, microphone 6062 can provide the audio interface between user and mobile phone.Audio
The transformed electric signal of the audio data received can be transferred to loud speaker 6061, is converted to by loud speaker 6061 by circuit 606
Voice signal exports；On the other hand, the voice signal of collection is converted to electric signal by microphone 6062, is connect by voicefrequency circuit 606
Be converted to audio data after receipts, then by after the processing of audio data output processor 608, it is such as another to be sent to through RF circuits 601
One mobile phone, or audio data is exported to memory 602 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 607
Part, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 6 is shown
WiFi module 607, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can not change as needed completely
Become in the range of the essence of invention and omits.
Processor 608 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the computer program and/or module being stored in memory 602, and call and be stored in memory 602
Data, execute mobile phone various functions and processing data, to mobile phone carry out integral monitoring.Optionally, processor 608 can
Including one or more processing units；Preferably, processor 608 can integrate application processor and modem processor, wherein
The main processing operation system of application processor, user interface and application program etc., modem processor mainly handles channel radio
Letter.It is understood that above-mentioned modem processor can not also be integrated into processor 608.
Mobile phone further includes the power supply 609 (such as battery) powered to all parts, it is preferred that power supply can pass through power supply pipe
Reason system and processor 608 are logically contiguous, to realize management charging, electric discharge and power managed by power-supply management system
Etc. functions.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In previous embodiment, each step method flow can be realized based on the structure of the terminal device.Wherein application layer and
Operating system nucleus can be considered the component part of the abstract structure of processor 608.
In embodiments of the present invention, processor 608 is used for by calling the computer program being stored in memory 602
Execute following operation：
It receives the first subframe and the transmission block in the first subframe is decoded；
In the case of all code blocks for including in above-mentioned transmission block decode correctly, generation is used to indicate above-mentioned transmission block solution
The correct feedback information of code；
In above-mentioned transmission block in the case of at least one code block decoding error, generation is used to indicate above-mentioned at least one decoding
The feedback information of the affiliated code block group decoding error of code block of mistake.
As an alternative embodiment, processor 608 is by calling the computer journey being stored in memory 602
Sequence is additionally operable to execute following operation：
The code block for including in above-mentioned transmission block is grouped to obtain N number of code block group, above-mentioned N number of code block group includes above-mentioned
The affiliated code block group of code block of at least one decoding error；Above-mentioned N is the positive integer more than 1.
As an alternative embodiment, processor 608 is by calling the computer journey being stored in memory 602
Sequence is additionally operable to execute following operation：
N number of code block group is numbered；It is used to indicate the affiliated code block group of code block of at least one decoding error
The feedback information of decoding error includes the grouping information after the grouping, number information after the number and described at least one
The number of the affiliated code block group of code block of decoding error.
As an alternative embodiment, processor 608 is by calling the computer journey being stored in memory 602
Sequence is additionally operable to execute following operation：
Calculate the total amount of data that N number of feedback information is generated to N number of code block group；
If the total amount of data is more than predetermined threshold value, N number of code block group is numbered；
Reference information of the generation for grouping information and the number information after the number after feeding back the grouping；Its
In, the feedback information that is used to indicate the affiliated code block group decoding error of code block of at least one decoding error include it is described at least
The number of the affiliated code block group of code block of one decoding error.
As an alternative embodiment, processor 608 is by calling the computer journey being stored in memory 602
Sequence is additionally operable to execute following operation：
It will be for the feedback information of the affiliated code block group of the code block of above-mentioned at least one decoding error or for N number of code block group
Feedback information is encapsulated in the second subframe to be fed back.
As an alternative embodiment, processor 608 is by calling the computer journey being stored in memory 602
Sequence when generation is used to indicate above-mentioned transmission block decoding correct feedback information, is specifically used for executing following operation：
If the first subframe is downlink subframe, the information of the serving cell of terminal is obtained to select physics uplink to control
Channel PUCCH format, above-mentioned PUCCH format can be 1 bit feedback information, 2 bit feedback information or 20 bit feedback information.
As an alternative embodiment, the information of above-mentioned serving cell include above-mentioned serving cell quantity and on
State whether serving cell is multi-input multi-output system MIMO.
It can be seen that in the terminal device described in Fig. 6, it can be right when transmission code block in the block decodes correct
Entire transmission block is fed back to reduce signaling overheads；When there is code block decoding error in transmission block, as unit of code block group into
Row feedback, more rich feedback information is provided for communication system, retransmission cost is reduced, to improve communication system performance.
Referring to Fig. 7, Fig. 7 is a kind of structural schematic diagram of base station 700 disclosed by the embodiments of the present invention.Base station 700 includes
One or more remote radio unit (RRU)s (Remote Radio Unit, RRU) 701 and one or more Base Band Unit (Baseband
Unit, BBU) 702.The RRU701 is properly termed as Transmit-Receive Unit, transceiver, transmission circuit or transceiver etc., can be with
Including at least one antenna 711 and radio frequency unit 712.The parts RRU701 are mainly used for transmitting-receiving and the radio frequency of radiofrequency signal
The conversion of signal and baseband signal, such as sending the instruction information described in above-described embodiment to user equipment.It is described
The parts BBU702 are mainly used for carrying out Base-Band Processing, control etc. base station.The RRU701 and BBU702 can be physics
On be set together, setting, i.e. distributed base station can also be physically separated.
The BBU702 is the control centre of base station, is referred to as processing unit, is mainly used for completing Base-Band Processing work(
Can, such as channel coding is multiplexed, modulation, spread spectrum etc..
In one example, the BBU702 can be made of one or more veneers, and multiple veneers can be supported jointly
The wireless access network (such as LTE nets) of single access standard can also support the wireless access network of different access standards respectively.It is described
BBU702 further includes memory 721 and processor 722.The memory 721 is storing necessary message and data.The place
It manages device 722 and carries out necessary operation for control base station.The memory 721 and processor 722 can serve one or more
A veneer.That is, memory and processor can be separately provided on each veneer.Can also be that multiple veneers are public identical
Memory and processor.In addition it is additionally provided with necessary circuit on each veneer.
As an alternative embodiment, RRU701 can be used for the subframe of receiving terminal apparatus transmission, and to terminal
Equipment sends the feedback information generated in the method for above-mentioned Fig. 2 or Fig. 3.
As an alternative embodiment, the processor 722 for including in BBU702 can be called and be stored in memory 721
Computer program, execute the feedback information generating method of mixed automatic retransfer described in above-mentioned Fig. 2 or Fig. 3.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This
A little functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, the end of foregoing description
The specific work process at end and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed terminal and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of said units, only
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.In addition, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be INDIRECT COUPLING or the communication by some interfaces, device or unit
Connection can also be electricity, mechanical or other form connections.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.This hair
Unit in bright embodiment terminal can be combined, divided and deleted according to actual needs.
The above-mentioned unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the embodiment of the present invention
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, can also be during two or more units are integrated in one unit.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment above method of the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store meter
The medium of calculation machine program.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain subject to.
Claims (19)
1. a kind of feedback information generating method of mixed automatic retransfer, which is characterized in that including：
It receives the first subframe and the transmission block in first subframe is decoded；
If at least one code block decoding error in the transmission block, the code block for being used to indicate at least one decoding error is generated
The feedback information of affiliated code block group decoding error；
Send the feedback information.
2. if according to the method described in claim 1, it is characterized in that, all code blocks for including in the transmission block decode just
Really, it generates and is used to indicate the correct feedback information of the transmission block decoding.
3. according to the method described in claim 1, it is characterized in that, the generation is used to indicate at least one decoding error
The affiliated code block group decoding error of code block feedback information before, the method further includes：
The code block for including in the transmission block is grouped to obtain N number of code block group, N number of code block group include it is described at least
Code block group belonging to the code block of one decoding error；The N is the positive integer more than 1.
4. according to the method described in claim 3, it is characterized in that, described be grouped the code block for including in the transmission block
After obtaining N number of code block group, the method further includes：
N number of code block group is numbered；Wherein, it is used to indicate the affiliated code block group of code block of at least one decoding error
The feedback information of decoding error includes the grouping information after the grouping, number information after the number and described at least one
The number of the affiliated code block group of code block of decoding error.
5. according to the method described in claim 3, it is characterized in that, the generation is used to indicate at least one decoding error
The affiliated code block group decoding error of code block feedback information before, the method further includes：
Calculate the total amount of data that N number of feedback information is generated to N number of code block group；
If the total amount of data be more than predetermined threshold value, it is described the code block for including in the transmission block is grouped it is N number of to obtain
After code block group, the method further includes：
N number of code block group is numbered；
Reference information of the generation for grouping information and the number information after the number after feeding back the grouping；Wherein, it uses
In indicating that the feedback information of the affiliated code block group decoding error of code block of at least one decoding error includes described at least one
The number of the affiliated code block group of code block of decoding error.
6. according to the method described in claim 3, it is characterized in that, the generation is used to indicate at least one decoding error
The affiliated code block group decoding error of code block feedback information after, the method further includes：
It will be for the feedback information of the affiliated code block group of the code block of at least one decoding error or for N number of code block group
Feedback information is encapsulated in the second subframe to be fed back.
7. according to the method described in claim 2, it is characterized in that, the generation is used to indicate the transmission block decoding correctly
Feedback information, including：
If first subframe is downlink subframe, the information of the serving cell of terminal is obtained to select physics uplink to control
Channel PUCCH format, the PUCCH format can be 1 bit feedback information, 2 bit feedback information or 20 bit feedback information.
8. the method according to the description of claim 7 is characterized in that the information of the serving cell includes the serving cell
Whether quantity and the serving cell are multi-input multi-output system MIMO.
9. a kind of feedback information generating means of mixed automatic retransfer, which is characterized in that including：
Receiving unit, for receiving the first subframe；
Decoding unit, for being decoded to the transmission block in first subframe；
First generation unit generates described in being used to indicate at least if at least one code block decoding error in the transmission block
The feedback information of the affiliated code block group decoding error of code block of one decoding error；
Transmission unit sends the feedback information.
10. device according to claim 9, which is characterized in that described device further includes：
Second generation unit, if all code blocks for including in the transmission block decode correctly, generation is used to indicate described
Transmission block decodes correct feedback information.
11. the apparatus according to claim 1, which is characterized in that described device further includes：
Grouped element, for being grouped to the code block for including in the transmission block to obtain N number of code block group, N number of code block
Group includes the code block group belonging to the code block of at least one decoding error；The N is the positive integer more than 1.
12. according to the devices described in claim 11, which is characterized in that described device further includes：
Numbered cell, for N number of code block group to be numbered；It is used to indicate the code block institute of at least one decoding error
The feedback information for belonging to code block group decoding error includes grouping information after the grouping, number information after the number and described
The number of the affiliated code block group of code block of at least one decoding error.
13. according to the devices described in claim 11, which is characterized in that described device further includes：
Computing unit, for calculating the total amount of data for generating N number of feedback information to N number of code block group；
Numbered cell, for N number of code block group to be numbered；
Third generation unit, if being more than predetermined threshold value for the total amount of data, generation is for the grouping after feeding back the grouping
The reference information of number information after information and the number；It is used to indicate code belonging to the code block of at least one decoding error
The feedback information of block group decoding error includes the number of the affiliated code block group of code block of at least one decoding error.
14. according to the devices described in claim 11, which is characterized in that described device further includes：
Encapsulation unit is used to be directed to the feedback information of the affiliated code block group of code block of at least one decoding error or is directed to institute
The feedback information for stating N number of code block group is encapsulated in the second subframe to be fed back.
15. device according to claim 10, which is characterized in that second generation unit, if specifically for described the
One subframe is downlink subframe, then obtains the information of the serving cell of terminal to select physical uplink control channel PUCCH lattice
Formula, the PUCCH format can be 1 bit feedback information, 2 bit feedback information or 20 bit feedback information.
16. device according to claim 15, which is characterized in that the information of the serving cell includes the serving cell
Quantity and the serving cell whether be multi-input multi-output system MIMO.
17. a kind of terminal device, which is characterized in that the terminal device includes：Transceiver, processor and memory, wherein：
The memory is for storing computer program；
The processor, for reading the computer program stored in the memory, perform claim requires 1 to 8 any one
The method.
18. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, feature to exist
In any one of such as claim 1 to 8 of realization the method when the computer program is executed by processor.
19. a kind of base station, which is characterized in that the base station includes：Transceiver, processor and memory, wherein：
The memory is for storing computer program；
The processor, for reading the computer program stored in the memory, perform claim requires 1 to 6 any one
The method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314020.XA CN108809502A (en) | 2017-05-05 | 2017-05-05 | The feedback information generating method and Related product of mixed automatic retransfer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314020.XA CN108809502A (en) | 2017-05-05 | 2017-05-05 | The feedback information generating method and Related product of mixed automatic retransfer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027754A1 (en) * | 2019-08-09 | 2021-02-18 | 中兴通讯股份有限公司 | Method and apparatus for sending and receiving feedback information, and storage medium |
| CN112770355A (en) * | 2020-12-31 | 2021-05-07 | 展讯通信（上海）有限公司 | Information receiving method and device, and computer readable storage medium |
| CN112769527A (en) * | 2020-12-30 | 2021-05-07 | 鹏城实验室 | HARQ-ACK feedback method, device and terminal based on code block group |
| CN113287356A (en) * | 2019-01-10 | 2021-08-20 | 夏普株式会社 | Sub-slot based HARQ-ACK timing and PUCCH resource determination for ultra-low delay PDSCH transmissions |
-
2017
- 2017-05-05 CN CN201710314020.XA patent/CN108809502A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113287356A (en) * | 2019-01-10 | 2021-08-20 | 夏普株式会社 | Sub-slot based HARQ-ACK timing and PUCCH resource determination for ultra-low delay PDSCH transmissions |
| WO2021027754A1 (en) * | 2019-08-09 | 2021-02-18 | 中兴通讯股份有限公司 | Method and apparatus for sending and receiving feedback information, and storage medium |
| CN112769527A (en) * | 2020-12-30 | 2021-05-07 | 鹏城实验室 | HARQ-ACK feedback method, device and terminal based on code block group |
| CN112770355A (en) * | 2020-12-31 | 2021-05-07 | 展讯通信（上海）有限公司 | Information receiving method and device, and computer readable storage medium |
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