CN109981227A - Based on a group HARQ transmission method and control system for communication in scenes of internet of things - Google Patents
Based on a group HARQ transmission method and control system for communication in scenes of internet of things Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 39
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- 238000012545 processing Methods 0.000 claims description 19
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- 238000013507 mapping Methods 0.000 claims description 5
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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
- H04L1/12—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
- H04L1/1607—Details of the supervisory signal
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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
- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses, based on a group HARQ transmission method and control system for communication, belong to field of communication technology in scenes of internet of things.In one piece of particular radio resource, at the second time point, monitors the group HARQ that base station is sent and indicate channel；Decode the group HARQ instruction channel listened to；According to the 4th rule, determine that group HARQ indicates information from decoded group of HARQ instruction channel.The data from network access point are decoded, the group ID of an IoT logical groups is obtained, and is determined to become a group and coordinates terminal, wherein the IoT logical groups are that network access point is determined according to Second Rule；The data of internet-of-things terminal in this group are sent in first time point according to third rule.Compared with prior art, the present invention is directed to the communication requirement of extensive Internet of things device, is especially covering weak area and blind area, is providing the resource efficiency of wireless communication system, reduce the power consumption of Internet of things device.
Description
Technical field
The present invention relates in field of communication technology more particularly to a kind of scenes of internet of things based on group communication a HARQ transmission side
Method and control system, control system relate generally to a kind of terminal, a kind of base station and a kind of baseband chip.
Background technique
LTE (Long Term Evolution, long term evolution)/LTE-A (Long Term Evolution-Advanced,
Enhanced long term evolution), 5G (Fifth Generation) and MultiFire technology are in authorized spectrum band and unauthorized frequency range
Wireless access technology, the wireless data services such as High Data Rate, low time delay are provided, including Internet of Things (Internet
OfThings, IoT, also referred to as machine type communication) data transmission in scene.One feature of scenes of internet of things is Internet of Things end
Substantial amounts are held, when the internet-of-things terminal of large-scale data magnitude initiates request of data, huge pressure will be carried out to Netowrk tape.
It is a challenge so how effectively to support the Data Concurrent of vast number grade for network.And in part Internet of Things field
Jing Zhong covers weak area or blind area since internet-of-things terminal is in, causes signal quality bad, need by repeatability transmission with
Improve signal strength.So in coverage hole or weak area, when internet-of-things terminal quantity is huger, the resource consumption ten of network
Divide huge.
In the related technology, the communication quality of vast number grade communication terminal is not optimized, it is especially weak in covering
Area and blind area.One of scene of 5G system is to support large-scale machines class communication (massive Machine Type
Communication, mMTC), there has been no mature solutions.Therefore, the present invention is directed in a kind of scenes of internet of things and is based on
The transmission mechanism of group communication, designs its HARQ (Hybrid Automatic Repeat request, hybrid automatic repeat-request)
Transmission method and control system.
Summary of the invention
The object of the present invention is to provide in a kind of scenes of internet of things based on group communication a HARQ transmission method and control
System, control system are related to a kind of terminal, a kind of base station and a kind of baseband chip, it is intended to solve logical based on group in scenes of internet of things
The transmission of the HARQ instruction information of letter and data retransmit.
To achieve the above object, the technical solution adopted by the present invention is in scenes of internet of things based on a group HARQ transmission for communication
The equipment for providing wireless data service for internet-of-things terminal is known as network access point, the network insertion by method and control system
Point can be the base station or wifi access device of a cell.Wireless communication technique in the present invention in scenes of internet of things is
It based on NB-IoT (Narrow Band-Internet of Things, narrowband Internet of Things), or is eMTC (enhanced
Machine Type Communication, enhanced machine type communication) the Internet of Things communication technology or extend version, or
The unauthorized frequency range Internet of Things communication technology of person 5G standard or MultiFire.Internet-of-things terminal in the present invention is based on 5G
The unauthorized frequency range Internet of Things communication technology of standard or MultiFire, or be NB-IoT, or the terminal node for eMTC.
The present invention provides, based on a group HARQ transmission method for communication, be used in Internet of Things Network Communication in a kind of scenes of internet of things
The re-transmission of data.In the present invention as stated above, method includes:
Step 1: in one piece of particular radio resource, at the second time point, monitoring the group HARQ that base station is sent and indicate channel；
Step 2: decoding the group HARQ instruction channel listened to；
Step 3: according to the 4th rule, determining that group HARQ indicates information from decoded group of HARQ instruction channel.
In the present invention as stated above, before step 1, i.e., it is described monitoring base station send group HARQ instruction channel step it
Before, further includes:
Step A: data of the decoding from network access point obtain the group ID of an IoT logical groups, and be determined to become one
Group coordinates terminal, wherein the IoT logical groups are that network access point is determined according to Second Rule；
Step B: the data of internet-of-things terminal in this group are sent in first time point according to third rule.
In step A of the invention, the Second Rule is defined as network access point in a determining geographic area
Multiple internet-of-things terminals are configured to an IoT logical groups according to specific group of scale.Further, which distributes
There is a group ID.A group ID is sent to a group coordination terminal by network access point, and group is coordinated terminal and determined by network access point.In the group
The data transmission and reception of each internet-of-things terminal are coordinated terminal by the group and are carried out, and further, each internet-of-things terminal is assigned
ID in one group.Further, group, which coordinates terminal, has the physics ID of terminal in a group and organizes interior ID mapping table.It is based on above-mentioned
In the transmission mechanism of group, in one embodiment, terminal is alterable in the reality or physical set that an IoT logical groups include
's.In one embodiment, terminal is fixed not after logical groups are formed in the reality or physical set that an IoT logical groups include
Become.
The group scale of an above-mentioned IoT logical groups is defined as open ended internet-of-things terminal number, table in a group
It is shown as NUE.In one embodiment, a group includes physics or practical internet-of-things terminal number are always and NUEIt is equal.Another
In one embodiment, the physics or practical internet-of-things terminal number that a group includes are smaller than NUE。
In the present invention, in one embodiment, ID is by network in the group of the internet-of-things terminal in an IoT logical groups
What access point determined, the group that ID mapping table in the physics ID of the internet-of-things terminal in IoT logical groups and group is handed down to each group is assisted
Adjust terminal.Further, in one example, ID is network access point in the group of the internet-of-things terminal in an IoT logical groups
The C-RNTI (cell-Radio Network Temporary Identity) of distribution.In second example, an IoT is patrolled
Collecting ID in the group of the internet-of-things terminal in group is index in the given group of network access point.In another embodiment, an IoT
ID is to coordinate terminal by group to determine in the group of internet-of-things terminal in logical groups, updates and reports the Internet of Things in IoT logical groups
ID mapping table in the physics ID and group of network termination.In one example, ID in the group of the internet-of-things terminal in an IoT logical groups
It is index in group given group of coordination terminal.
In the present invention, ID is fixed in the group of the internet-of-things terminal in an IoT logical groups.In second embodiment
In, ID is variation in the group of the internet-of-things terminal in an IoT logical groups.In one embodiment, in an IoT logical groups
The physics ID of internet-of-things terminal be IMSI (International Mobile Subscriber Identification
Number)。
In step B of the invention, which indicates the time that data are sent for the first time.In the step of foregoing invention
In rapid B, described group of coordination terminal sends the data of all internet-of-things terminals in this group according to third rule, which sends rule
It is then defined as group interior each internet-of-things terminal and sends the data to each group coordination terminal, each group coordinates terminal and is combined into the interior data of group
Data packet is sent to network access point in first time point, and content includes packet sequence number, group ID, Internet of Things in a data packet
ID in the group of network termination, data of each terminal in group, the scale of data packet.The scale of one data packet indicates this
Internet-of-things terminal number in corresponding group of data packet, is denoted as K.The value of K can be 1, i.e., group coordinates terminal for each Internet of Things in group
The data of terminal are sent to network access point one by one.In one embodiment, there is different K for different groups.In second embodiment
In, the K value of difference group is identical.
In one embodiment, the value range of K is as defined in agreement, and each group of K is determined by network access point, in shape
When at an IoT logical groups, network access point, which is handed down to each group by high-level signaling, coordinates terminal.Further, as an IoT
When the scale of logical groups changes, the value of K is updated.In the second embodiment, the value of K is dynamic change,
Coordinate terminal by group to determine, when sending data packet every time, is reported to network together.In third embodiment, the value model of K
Enclosing is as defined in agreement, and group is coordinated terminal and therefrom selected, and is reported to network.
In the present invention, optionally, the third rule will organize in internet of things data when being combined into data packet, specifically
Are as follows: group coordinates terminal and the data that K is organized interior internet-of-things terminal is added CRC (Cyclic Redundancy Check, circulation respectively
Redundancy check) bit, then multiple data are arranged in order, then carry out coding transmission.
In the present invention, optionally, the third rule will organize in internet of things data when being combined into data packet, specifically
Are as follows: group coordinates terminal and cascades the data that K is organized interior internet-of-things terminal in order, and CRC bit is added, then carries out coding hair
It send.
In step 3 of the invention, the described group of HARQ of described group of HARQ instruction information carrying in step 2 indicates channel
In, refer to feeding back ACK (Acknowledgement, certainly)/NACK (Negative Acknowledgement), group HARQ
Show that information is that network access point is sent to a group coordination terminal, other terminals in each IoT logical groups do not go to monitor or solve code character
HARQ indicates channel.Group coordinates terminal and judged for the second time according to the rule predefined in first time point transmission data
Point, and a group HARQ instruction channel is begun listening at the second time point.
In one embodiment of the invention, one group HARQ of a group HARQ instruction channel bearing indicates information.At this
In another embodiment of invention, the multiple HARQ of group HARQ instruction channel bearing indicate information.In a reality of the invention
It applies in example, the ACK/NACK of a group HARQ instruction information carrying is the internet-of-things terminal in a corresponding IoT logical groups.Another
In one embodiment, the ACK/NACK of a HARQ instruction information carrying is corresponding multiple IoT logical groups.
In one embodiment of the invention, all IoT logical groups in a network access point share a group
HARQ indicates channel, i.e. group HARQ instruction channel is broadcast channel.Further, this group of one piece of channel occupancy of HARQ instruction is public
Radio resource is transmitted.In another embodiment, in a network access point, an IoT logical groups are one corresponding
HARQ indicates channel, i.e. group HARQ instruction channel is Multicast Channel.Optionally, a group HARQ instruction channel occupancy is wireless
Resource is the function determination based on group ID.Optionally, the radio resource of a group HARQ instruction channel occupancy is net
The distribution of network access point.Further, network access point can simultaneous transmission one or more group HARQ indicate channel, this one
A or multiple group of HARQ indicates one or more radio resource of channel occupancy.
In step 3 of the invention, the rule of content, format that the 4th rule includes for a group HARQ instruction information
Model, in the present invention, the content that a group HARQ instruction information includes include that one or more NACK indicates information, one or more
A ACK instruction information, one or more ACK/NACK instruction information, one or more terminal indexes, one or more group ID, one
Wherein one or more of the process index of a or multiple data packets.Wherein, in one embodiment, above-mentioned terminal index is object
Networked terminals ID in the group in an IoT logical groups, in another embodiment, above-mentioned terminal index are a group coordination terminal hairs
Sequential index of the internet-of-things terminal data for including in the data packet sent in a data packet, a corresponding data
Each internet-of-things terminal in packet.Wherein, NACK indicates that information is 1 bit, if NACK is indicated with 1, indicates Data reception errors, net
Network access point only sends NACK in Data reception errors, and network access point does not send feedback when data receiver is correct；ACK instruction
Information is 1 bit, if ACK is indicated with 0, indicates that data receiver is correct, network access point is only sent when data receiver is correct
ACK, network access point does not send feedback when Data reception errors；ACK/NACK indicates that information is 1 bit, is indicating data receiver just
Really/mistake, network access point send ACK/NACK after data receiver.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The corresponding multiple internet-of-things terminals of a data packet sent are held, which includes one or more NACK
Information and one or more terminal indexes are indicated, without ACK.One or more NACK instruction information indicates a data
The one or more terminal in packet indexes corresponding internet-of-things terminal Data reception errors.Optionally, this group of HARQ instruction letter
Breath includes a group ID.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The corresponding multiple internet-of-things terminals of a data packet sent are held, which includes one or more terminals
Index.In one example, which indexes one or more internet-of-things terminals in a corresponding data packet
Data reception errors.Accordingly, the terminal index being not included in a group HARQ instruction information, group, which coordinates terminal, can determine whether
Corresponding internet-of-things terminal data receiver is correct.Optionally, this group of HARQ instruction information includes a group ID.In second example
In, the data receiver which indexes one or more internet-of-things terminals in a corresponding data packet is correct.
Ying Di, the terminal index being not included in a group HARQ instruction information, group, which coordinates terminal, can determine whether corresponding internet-of-things terminal
Data reception errors.Optionally, this group of HARQ instruction information includes a group ID.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The corresponding multiple internet-of-things terminals of a data packet sent are held, which includes one or more ACK
ID in information and one or more groups is indicated, without NACK.One or more ACK instruction information indicates a data packet
In the one or more terminal to index corresponding internet-of-things terminal data receiver correct.Optionally, this group of HARQ indicates information
Include a group ID.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The corresponding multiple internet-of-things terminals of a data packet sent are held, which includes that multiple ACK/NACK refer to
Show information.Further, multiple value is K.Optionally, this group of HARQ instruction information includes a group ID.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The corresponding multiple internet-of-things terminals of a data packet sent are held, which includes that multiple ACK/NACK refer to
Show information and multiple terminals index.Further, multiple value is K.Optionally, this group of HARQ instruction information includes
One group ID.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The data packet sent is held, which includes that a NACK indicates information.Wherein, which refers to
Show that the corresponding data packet of information receives mistake.A channel is indicated when a group coordination terminal does not listen to group HARQ, then judges to correspond to
Data packet receive it is correct.Optionally, the 4th rule indicates that information also includes a group ID for a group HARQ.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The data packet sent is held, which includes that an ACK indicates information.Wherein, an ACK instruction
The corresponding data packet of information receives correct.A channel is indicated when a group coordination terminal does not listen to group HARQ, then is judged corresponding
Data packet receives mistake.Optionally, the 4th rule indicates that information also includes a group ID for a group HARQ.
In the present invention, optionally, the 4th rule indicates that information is that corresponding multiple groups of coordinations are whole for a group HARQ
The multiple data packets sent are held, which includes one or more group ID, and one or more ACK refers to
Show information.Wherein, the corresponding one or more IoT logical groups of the one or more group ID, one or more ACK instruction correspondences this one
One or more data packets that a or multiple IoT logical groups are sent receive correct.
In the present invention, optionally, the 4th rule indicates that information is that corresponding multiple groups of coordinations are whole for a group HARQ
The multiple data packets sent are held, which includes one or more group ID, and one or more NACK
Indicate information.Wherein, the corresponding one or more IoT logical groups of the one or more group ID, one or more NACK instructions correspond to
One or more data packets that one or more IoT logical groups are sent receive mistake.
In the present invention, optionally, the 4th rule indicates that information is that corresponding multiple groups of coordinations are whole for a group HARQ
The multiple data packets sent are held, which includes one or more group ID.Wherein, the one or more group
ID corresponds to one or more IoT logical groups.In one example, one or more group ID indicates that one or more IoT is patrolled
It collects the one or more data packets that group is sent and receives mistake.In another example, one or more group ID indicates this
Or one or more data packets that multiple IoT logical groups are sent receive correctly.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The multiple data packets sent are held, which includes to index no more than multiple data packet process.It is described
It is correct to indicate that corresponding data packet receives no more than the process of multiple data packet index.
In the present invention, optionally, the 4th rule indicates that information is that a corresponding group is coordinated eventually for a group HARQ
The multiple data packets sent are held, which includes the process index and multiple ACK/ of multiple data packet
NACK indicates information.
In the present invention, optionally, described that group is determined from decoded group of HARQ instruction channel according to the 4th rule
HARQ indicates that information, specific steps include: not hear a group HARQ instruction channel such as according to the 4th rule, then judge data packet
It is properly received；A group HARQ instruction channel is such as listened to, solution code character HARQ indicates channel, determines that the group HARQ obtained instruction information is
NACK determines first time point according to the second time point, retransmits corresponding raw data packets.
In the present invention, optionally, described that group is determined from decoded group of HARQ instruction channel according to the 4th rule
HARQ indicates that information, specific steps include: not hear a group HARQ instruction channel such as according to the 4th rule, then judge data packet
Receive mistake；A group HARQ instruction channel is such as listened to, determines that the group HARQ instruction information obtained is ACK, according to the second time point,
It determines first time point, retransmits the corresponding raw data packets of other first time points.
In the present invention, optionally, described that group is determined from decoded group of HARQ instruction channel according to the 4th rule
HARQ indicates information, and specific method includes: not hear a group HARQ instruction channel such as according to the 4th rule, then judge data packet
It is properly received；A group HARQ instruction channel is such as listened to, solution code character HARQ indicates channel, determines that the group HARQ obtained instruction information is
NACK and ID in organizing, the data of the corresponding internet-of-things terminal of ID in retransmission group.
In the present invention, optionally, described that group is determined from decoded group of HARQ instruction channel according to the 4th rule
HARQ indicates information, and specific method includes: not hear a group HARQ instruction channel such as according to the 4th rule, then judge data packet
Receive mistake；A group HARQ instruction channel is such as listened to, the determining group HARQ instruction information obtained is ACK and organizes interior ID, again
The data of remaining internet-of-things terminal of ID in the acquisition group are removed in transmission group.
In the present invention, optionally, described that group is determined from decoded group of HARQ instruction channel according to the 4th rule
HARQ indicates information, and specific method includes: to determine that the group HARQ instruction information obtained is ACK/NACK instruction according to the 4th rule
ID in information and group retransmits the data that ACK/NACK instruction information is the corresponding internet-of-things terminal of ID in the group of NACK.
Determine that group HARQ instruction information is NACK, according to the first regular retransmission data.In one embodiment of the invention,
First rule coordinates terminal for group and retransmits the raw data packets formed according to third rule.In second implementation of the invention
In example, group coordinates the data that terminal successively retransmits internet-of-things terminal in the group not being properly received in order, only sends every time
The data of one internet-of-things terminal include ID and corresponding data in group ID, group.In third embodiment, group is coordinated eventually
The data of internet-of-things terminal in the group not being properly received are combined by end according to third rule, and are retransmitted.
The present invention provides in a kind of scenes of internet of things based on group communication a HARQ transmission control system, the control system packet
Containing a kind of terminal, for completing the internet of things service and group HARQ transmission, control of terminal, comprising: RF receiving and transmission module, processing
Device, memory and group HARQ function module；The RF receiving and transmission module is for receiving the wireless signal from base station, described in feeding
Processor carries out signal processing, and sends the signal from the processor；Being stored in the memory can be described
The instruction that processor executes；The processor is used to call the described instruction of the memory storage, and the processor and institute
It states group HARQ function module and carries out information exchange；Described group of HARQ function module includes group HARQ monitoring submodule, group HARQ solution
Numeral module and group HARQ manage submodule, described group of HARQ monitoring submodule for monitor the radio-frequency module receive it is wireless
Channel is indicated with the presence or absence of group HARQ in signal, and described group of HARQ decoding sub-module is for decoding described group of HARQ monitoring submodule
The group HARQ of confirmation indicates channel, indicates information with acquisition group HARQ, described group of HARQ management submodule is according to decoded group
HARQ instruction information carries out the control of subsequent HARQ transmission.
The present invention provides in a kind of scenes of internet of things based on group communication a HARQ transmission control system, the control system packet
Containing a kind of base station, for controlling business transmission and HARQ transmission, control in scenes of internet of things based on group communication, comprising: penetrate
Frequency transceiver module, processor, memory and group HARQ function module, the RF receiving and transmission module is for receiving the nothing for carrying out self terminal
Line signal is sent into the processor and carries out signal processing, and sends the signal from the processor；It is deposited in the memory
Contain the instruction that can be executed by the processor；The processor is used to call the described instruction of the memory storage, and
The processor and described group of HARQ function module carry out information exchange；Described group of HARQ function module includes group HARQ coding
Module and group HARQ manage submodule, and described group of HARQ encoding submodule is obtained based on the processor from internet-of-things terminal
Data decoding result, generation group HARQ indicate information, and generation group HARQ indicates channel, and described group of HARQ management submodule is according to institute
State the HARQ transmission for the group HARQ instruction each internet-of-things terminal of information management that group HARQ encoding submodule generates.
The present invention provides in a kind of scenes of internet of things based on group communication a HARQ transmission control system, the control system packet
Containing a kind of baseband chip, it is used for terminal, comprising: processor；And memory, being stored in the memory can be by the processing
The instruction that device executes, and processor is used to call the described instruction of the memory storage, executes following operation: obtain base station hair
The group HARQ of cloth indicates channel；Information is indicated according to the group HARQ decoded, retransmits data according to the first rule.
The present invention provides in a kind of scenes of internet of things based on group communication a HARQ transmission control system, the control system packet
Containing a kind of baseband chip, it is used for base station, comprising: processor；And memory, being stored in the memory can be by the processing
The instruction that device executes, and processor is used to call the described instruction of the memory storage, executes following operation: defining one
IoT logical groups；Collect the data from IoT logical groups；HARQ instruction is generated according to the 4th rule according to data decoding result
Information sends HARQ and indicates channel.
Compared with prior art, the present invention is directed to the communication requirement of extensive Internet of things device, is especially covering weak area
And blind area, a kind of HARQ transmission method and control system based on communication is provided, the resource effect of wireless communication system is provided
Rate reduces the power consumption of Internet of things device.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 shows the wireless communication system signal for providing the transmission of internet of things service data of one embodiment of the present of invention
Figure；
Fig. 2 shows the group HARQ of one embodiment of the present of invention to indicate information；
Fig. 3 shows the group HARQ instruction information of another embodiment of the invention；
Fig. 4 shows the group HARQ instruction information of third embodiment of the invention；
Fig. 5 shows the group HARQ instruction information of the 4th embodiment of the invention；
Fig. 6 shows the group HARQ instruction information of the 5th embodiment of the invention；
Fig. 7 shows the third rule of one embodiment of the present of invention；
Fig. 8 shows the third rule of another embodiment of the invention；
Fig. 9 shows the flow chart for determining group HARQ instruction information of one embodiment of the present of invention；
Figure 10 shows the flow chart for determining group HARQ instruction information of another embodiment of the invention.
Specific embodiment
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
Embodiment one
Fig. 1 shows the wireless communication system signal for providing the transmission of internet of things service data of one embodiment of the present of invention
Figure.
As shown in Figure 1, cordless communication network 100 is the system based on OFDM/OFDMA, it include a base station 101,
And multiple communication terminals 121,122,123,124.The coverage of base station 101 is 110, within this range, communication terminal 124
It is non-internet-of-things terminal, 121~123 be internet-of-things terminal.Internet-of-things terminal 121~123 belongs to an IoT logical groups 120,
In, 121 be the group coordination terminal of the logical groups, and the data of all business are sent in logical groups 120 and group HARQ instruction information is logical
The uplink 131 and downlink 130 crossed between 121 and 101 carry out, and.Internet-of-things terminal 122/123 is the same as base station 101
Between there is also uplink downlinks, be 141 and 142 respectively, be mainly used for 122/123 and be connected into network.Internet-of-things terminal 122/
There are communication links 162 and 163 between 123 and 121.
Embodiment according to the present invention, Fig. 1 give the modular structure of base station 101.There is an antenna mould in base station 101
Block 170, for sending and receiving signal.One RF receiving and transmission module 173 is connected with Anneta module 170, is used for from Anneta module
Signal is obtained in 170, is converted into baseband signal, passes to processing module 174.173 can will also turn from 174 baseband signal
Radiofrequency signal is turned to, is sent by Anneta module 170.Processing module 174 handles baseband signal, according to signal function, and
Other modules of base station 101 are called to carry out other processing.175 storing data of memory module.
Base station 101 further includes a group HARQ function module 192, includes group HARQ encoding submodule 171, a group HARQ processing
Submodule 172.According to the decoding result of the internet of things data received, organizes HARQ encoding submodule 171 and generate ACK or NACK letter
Breath, and encoded.The information that group HARQ processing submodule 172 is generated based on 171 submodules, generation group HARQ channel are sent
Coordinate terminal to the group of IoT logical groups.
Embodiment according to the present invention, the group that Fig. 1 gives an IoT logical groups coordinate the module knot of terminal 121
Structure.Group, which coordinates terminal 121, an Anneta module 150, for sending and receiving signal.One RF receiving and transmission module 151 and day
Wire module 150 is connected, and for obtaining signal from Anneta module 150, is converted into baseband signal, passes to processing module 152.
151 also can will be converted into radiofrequency signal from 152 baseband signal, be sent by Anneta module 150.Processing module
152 processing baseband signals according to signal function, and call 121 other modules to carry out other processing.Memory module 153
Storing data.
It further includes a group HARQ function module 191 that group, which coordinates terminal 121, contains a group HARQ decoding sub-module 154, organizes HARQ
Submodule 155 is monitored, group HARQ handles submodule 156.Group HARQ monitors submodule 155 and is used for detection group HARQ channel, group
HARQ decoding sub-module 154 is for decoding the group HARQ channel from base station received.Group HARQ processing submodule 156 is solved
Group HARQ after code indicates information, and processing group HARQ indicates information.
Embodiment two
Fig. 2 shows the group HARQ of one embodiment of the present of invention to indicate information.
As shown in Fig. 2, a group HARQ instruction information 200 includes ID210~212 and multiple NACK instruction letter in multiple groups
Breath 230~232, a data packet of a corresponding IoT logical groups.Internet of Things in 210~212 corresponding multiple IoT logical groups
Terminal, organizing interior ID is n respectively1、n2、nk, 230 be 1- bit NACK instruction information, indicates 210 Data reception errors of terminal.Class
As, 231 and 232 be 1- bit NACK instruction information, indicates the Data reception errors of terminal 211 and 212.Group coordinates terminal base
Information is indicated in decoded group of HARQ, judges that data packet is corresponding
Embodiment three
Fig. 3 shows the group HARQ instruction information of another embodiment of the invention.
As shown in figure 3, a group HARQ instruction information 300 includes ID310~312 in multiple groups, 310~312 correspondences are more
Internet-of-things terminal in a IoT logical groups, organizing interior ID is n respectively1、n2、nk.Group coordinates terminal by decoding in obtained group
ID judges that the data that internet-of-things terminal is corresponded in the Data reception errors of the interior corresponding internet-of-things terminal of group or judgement group connect
It receives correct.
Example IV
Fig. 4 shows the group HARQ instruction information of third embodiment of the invention.
As shown in figure 4, a group HARQ instruction information 400 includes ID410~412 and multiple ACK instruction letter in multiple groups
Breath 430~432.Internet-of-things terminal in 410~412 corresponding multiple IoT logical groups, organizing interior ID is n respectively1、n2、nk, 430
It is 1- bit ACK instruction information, indicates that 410 data receiver of terminal is correct.Similarly, 431 and 432 be the instruction of 1- bit ACK
Information indicates the Data reception errors of terminal 411 and 412.
Embodiment five
Fig. 5 shows the group HARQ instruction information of the 4th embodiment of the invention.
As shown in figure 5, a group HARQ instruction information 500 includes index 510~512, multiple number in multiple data packets
The sequential index that internet-of-things terminal in a corresponding data packet is indexed according to packet indicates the corresponding internet-of-things terminal of multiple index
Data receiver is correct.
Embodiment six
Fig. 6 shows the group HARQ instruction information of the 5th embodiment of the invention.
As shown in fig. 6, a group HARQ instruction information 600 includes ID610~612 in multiple groups, multiple group of ID is corresponding
Multiple data packets of multiple group of transmission receive mistake.
Embodiment seven
Figure seven shows the third rule of one embodiment of the present of invention.
As shown in fig. 7, it includes ID710,711,712 in multiple groups that group, which coordinates the data packet 700 that terminal is sent, in the group
It is 750,751 and respectively that the data of ID710,711,712, which are 730,731 and 732,730,731 and 732 CRC bit respectively,
752.Group coordinates terminal according to ID, data, the sequence of CRC bit in organizing, and each terminal data is concatenated together, data packet is formed
700。
Embodiment eight
Fig. 8 shows the third rule of one embodiment of the present of invention.
As shown in figure 8, group coordinate terminal send data packet 800 include multiple groups in internet-of-things terminal data 810,
811,812, multiple data are concatenated together, CRC bit 850 is generated.
Embodiment nine
Figure nine shows the flow chart for determining group HARQ instruction information of one embodiment of the present of invention.
As shown in figure 9, the method for determining group HARQ instruction information of bold and unrestrained one embodiment, comprising:
Step 910, it monitors the group HARQ from network access point and indicates channel.
Step 911, judge whether to listen to a group HARQ instruction channel.
Step 912, when the judging result of step 911 be it is yes, decoding listens to a group HARQ instruction channel.
Step 913, index in data packet is obtained.
Step 914, determine that internet-of-things terminal error in data receives in corresponding group of index in data packet.
Step 916, determine that other terminals in a data packet except indices are properly received.
Step 915, when the judging result of step 911 be it is no, i.e., do not listen to a group HARQ instruction channel, judge a number
It is correctly received according to all internet-of-things terminal data in packet.
Embodiment ten
Figure 10 shows the flow chart for determining group HARQ instruction information of another embodiment of the invention.
As shown in Figure 10, the method for determining group HARQ instruction information of bold and unrestrained one embodiment, comprising:
Step 1010, it monitors the group HARQ from network access point and indicates channel.
Step 1011, judge whether to listen to a group HARQ instruction channel.
Step 1012, when the judging result of step 1011 be it is yes, decoding listens to a group HARQ instruction channel.
Step 1013, index in data packet is obtained.
Step 1014, determine that internet-of-things terminal data are properly received in corresponding group of index in data packet.
Step 1016, determine that other end-errors in a data packet except indices receive.
Step 1015, when the judging result of step 1011 be it is no, i.e., do not listen to a group HARQ instruction channel, judge one
All internet-of-things terminal data in data packet are erroneously received.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
It will be appreciated that though time point may be described in embodiments of the present invention using term first, second etc., but this
A little time points should not necessarily be limited by these terms.These terms are only used to be distinguished from each other open at time point.For example, not departing from the present invention
In the case where scope of embodiments, first time point can also be referred to as the second time point, and similarly, the second time point can also be by
Referred to as first time point.
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
It should be noted that terminal involved in the embodiment of the present invention can include but is not limited to personal computer
(Personal Computer, PC), personal digital assistant (Personal Digital Assistant, PDA), wireless handheld
Equipment, tablet computer (Tablet Computer), mobile phone, MP3 player, MP4 player etc..
In several embodiments provided by the present invention, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. based on a group HARQ transmission method for communication in scenes of internet of things, it is characterised in that: HARQ transmission method includes following step
Suddenly,
Step 1: in one piece of particular radio resource, at the second time point, monitoring the group HARQ that base station is sent and indicate channel；
Step 2: decoding the group HARQ instruction channel listened to；
Step 3: according to the 4th rule, determining that group HARQ indicates information from decoded group of HARQ instruction channel；
Include: step A before step 1: data of the decoding from network access point obtain the group ID of an IoT logical groups, and really
Surely become a group and coordinate terminal, wherein the IoT logical groups are that network access point is determined according to Second Rule；
Step B: the data of internet-of-things terminal in this group are sent in first time point according to third rule.
2. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 1, it is characterised in that: step
In A, the Second Rule is defined as network access point will be multiple according to specific group of scale in a determining geographic area
Internet-of-things terminal is configured to an IoT logical groups；Further, which is assigned a group ID；Network access point will
Group ID is sent to a group coordination terminal, and group is coordinated terminal and determined by network access point；The data of each internet-of-things terminal are sent in the group
Terminal progress is coordinated by the group with receiving, each internet-of-things terminal is assigned ID in a group；Group, which coordinates terminal, to be had in a group
ID mapping table in the physics ID and group of terminal；
The group scale of one IoT logical groups is defined as open ended internet-of-things terminal number in a group, is expressed as NUE；
ID is determined by network access point in the group of internet-of-things terminal in one IoT logical groups, by the object in IoT logical groups
The group that ID mapping table is handed down to each group in the physics ID and group of networked terminals coordinates terminal；Internet of Things in one IoT logical groups
ID is the C-RNTI of network access point distribution in the group of terminal.
3. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 1, it is characterised in that: in step
In rapid B, which indicates the time that data are sent for the first time；Described group of coordination terminal according to third rule send this one
The data of all internet-of-things terminals in group, third transmission rule are defined as each internet-of-things terminal in group and send the data to each group
Coordinate terminal, each group coordinate terminal will organize in data group generated data packet in first time point be sent to network access point, one
Content includes packet sequence number, organizes ID in the group of ID, internet-of-things terminal, the data of each terminal, a number in group in data packet
According to the scale of packet；The scale of one data packet indicates internet-of-things terminal number in corresponding group an of data packet, is denoted as K；K
Value be 1, i.e., group coordinate terminal will organize in the data of each internet-of-things terminal be sent to network access point one by one.
4. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 3, it is characterised in that: K's
Value range is as defined in agreement, and each group of K is determined by network access point, when forming an IoT logical groups, network insertion
Point, which is handed down to each group by high-level signaling, coordinates terminal.
5. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 1, it is characterised in that: described
Third rule will organize in internet of things data when being combined into data packet, specifically: group coordinate terminal by K organize in Internet of Things end
The data at end add CRC bit respectively, then multiple data are arranged in order, and then carry out coding transmission.
6. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 5, it is characterised in that: described
Third rule will organize in internet of things data when being combined into data packet, specifically: group coordinate terminal by K organize in Internet of Things end
The data at end cascade in order, and CRC bit is added, then carries out coding transmission.
7. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 1, it is characterised in that: step
In 3, in the described group of HARQ instruction channel of group HARQ instruction information carrying in step 2, to feeding back ACK/NACK, HARQ is organized
Instruction information is that network access point is sent to a group coordination terminal, other terminals in each IoT logical groups do not go to monitor or solve code character
HARQ indicates channel；Group coordinates terminal and judged for the second time according to the rule predefined in first time point transmission data
Point, and a group HARQ instruction channel is begun listening at the second time point；
One group HARQ instruction channel bearing, one group HARQ indicates information；
The shared group HARQ of all IoT logical groups in a network access point indicates that channel, i.e. group HARQ indicate channel
It is broadcast channel；This group of HARQ instruction one piece of common radio resources of channel occupancy are transmitted；In a network access point, one
The corresponding HARQ of a IoT logical groups indicates channel, i.e. group HARQ instruction channel is Multicast Channel；
In step 3, content, the specification of format that the 4th rule includes for a group HARQ instruction information, a group
HARQ instruction information include content include one or more NACK instruction information, one or more ACK indicate information, one or
Multiple ACK/NACK instruction information, one or more terminal indexes, one or more processes for organizing ID, one or more data packets
Wherein one or more of index.
8. based on a group HARQ transmission method for communication in scenes of internet of things according to claim 7, it is characterised in that: the 4th
Rule indicates that information is the corresponding multiple Internet of Things of a data packet that a corresponding group coordinates that terminal is sent for a group HARQ
Terminal, which includes one or more NACK instruction information and one or more terminal indexes, is not had
There is ACK；One or more NACK instruction information indicates that the index of the one or more terminal in a data packet is corresponding
Internet-of-things terminal Data reception errors；Optionally, this group of HARQ instruction information includes a group ID；
4th rule indicates that information is that the data packet that corresponding group coordination terminal is sent is corresponding more for a group HARQ
A internet-of-things terminal, which includes one or more terminal indexes；One or more terminal index
The Data reception errors of one or more internet-of-things terminals in a corresponding data packet；Accordingly, it is not included in a group
HARQ indicates the terminal index in information, and group, which coordinates terminal, can determine whether that corresponding internet-of-things terminal data receiver is correct；Optionally,
This group of HARQ instruction information includes a group ID；In second example, which indexes a corresponding data
The data receiver of one or more internet-of-things terminals in packet is correct；Ying Di is not included in a group HARQ instruction information
Terminal index, group, which coordinates terminal, can determine whether corresponding internet-of-things terminal Data reception errors；Optionally, this group of HARQ indicates information
Include a group ID；
4th rule indicates that information is that the data packet that corresponding group coordination terminal is sent is corresponding more for a group HARQ
A internet-of-things terminal, which includes in one or more ACK instruction information and one or more groups
ID, without NACK；One or more ACK instruction information indicates the index pair of the one or more terminal in a data packet
The internet-of-things terminal data receiver answered is correct；This group of HARQ instruction information includes a group ID；
4th rule indicates that information is that the data packet that corresponding group coordination terminal is sent is corresponding more for a group HARQ
A internet-of-things terminal, which includes that multiple ACK/NACK indicate information；Multiple value is K；It should
Group HARQ instruction information includes a group ID；
4th rule indicates that information is that the data packet that corresponding group coordination terminal is sent is corresponding more for a group HARQ
A internet-of-things terminal, which includes multiple ACK/NACK instruction information and multiple terminals index；It should
Multiple values is K；This group of HARQ instruction information includes a group ID；
4th rule indicates that information is the data packet that a corresponding group coordinates that terminal is sent, a group for a group HARQ
HARQ indicates that information includes that a NACK indicates information；Wherein, which receives wrong
Accidentally；A channel is indicated when a group coordination terminal does not listen to group HARQ, then it is correct to judge that corresponding data packet receives；4th rule
Then indicate that information also includes a group ID for a group HARQ；
4th rule indicates that information is the data packet that a corresponding group coordinates that terminal is sent, a group for a group HARQ
HARQ indicates that information includes that an ACK indicates information；Wherein, which receives correct；
A channel is indicated when a group coordination terminal does not listen to group HARQ, then judges that corresponding data packet receives mistake；4th rule
Indicate that information also includes a group ID for a group HARQ；
4th rule indicates that information is multiple data packets that corresponding multiple groups of coordination terminals are sent, a group for a group HARQ
HARQ indicates that information includes one or more group ID, and one or more ACK indicates information；Wherein, the one or more group
ID corresponds to one or more IoT logical groups, and one or more ACK indicate one that corresponding one or more IoT logical groups are sent
A or multiple data packets receive correct；
4th rule indicates that information is multiple data packets that corresponding multiple groups of coordination terminals are sent, a group for a group HARQ
HARQ indicates that information includes one or more group ID, and one or more NACK indicates information；Wherein, the one or more group
ID corresponds to one or more IoT logical groups, and one or more NACK indicate one that corresponding one or more IoT logical groups are sent
A or multiple data packets receive mistake；
4th rule indicates that information is multiple data packets that corresponding multiple groups of coordination terminals are sent, a group for a group HARQ
HARQ indicates that information includes one or more group ID；Wherein, the corresponding one or more IoT logical groups of the one or more group ID；
One or more group ID indicates that one or more data packets that one or more IoT logical groups are sent receive mistake；This one
It is correct that a or multiple group of ID indicates that one or more data packets that one or more IoT logical groups are sent receive；
4th rule indicates that information is multiple data packets that a corresponding group coordinates that terminal is sent, a group for a group HARQ
HARQ indicates that information includes to index no more than multiple data packet process；The process rope no more than multiple data packet
Drawing indicates that corresponding data packet receives correctly；
4th rule indicates that information is multiple data packets that a corresponding group coordinates that terminal is sent, a group for a group HARQ
HARQ indicates that information includes that the process index of multiple data packet and multiple ACK/NACK indicate information；
Determine that group HARQ indicates an information from decoded group of HARQ instruction channel according to the 4th rule, specific steps include: by
According to the 4th rule, a group HARQ instruction channel is not heard such as, then judges that data packet is properly received；Such as listen to a group HARQ instruction letter
Road solves code character HARQ and indicates channel, determines that the group HARQ obtained instruction information determines first according to the second time point for NACK
Time point retransmits corresponding raw data packets；
Determine that group HARQ indicates an information from decoded group of HARQ instruction channel according to the 4th rule, specific steps include: by
According to the 4th rule, a group HARQ instruction channel is not heard such as, then judges that data packet receives mistake；Such as listen to a group HARQ instruction letter
Road determines that the group HARQ obtained instruction information is that ACK according to the second time point determines first time point, retransmit other the
One time point corresponding raw data packets；
Determine that group HARQ indicates an information from decoded group of HARQ instruction channel according to the 4th rule, specific method include: by
According to the 4th rule, a group HARQ instruction channel is not heard such as, then judges that data packet is properly received；Such as listen to a group HARQ instruction letter
Road, solution code character HARQ indicate channel, and the determining group HARQ instruction information obtained is NACK and organizes interior ID, ID in retransmission group
The data of corresponding internet-of-things terminal；
Determine that group HARQ indicates an information from decoded group of HARQ instruction channel according to the 4th rule, specific method include: by
According to the 4th rule, a group HARQ instruction channel is not heard such as, then judges that data packet receives mistake；Such as listen to a group HARQ instruction letter
Road, the group HARQ of determining acquisition indicate that information is ACK and organizes interior ID, remaining of ID in the interior removing acquisition group of retransmission group
The data of internet-of-things terminal；
Determine that group HARQ indicates an information from decoded group of HARQ instruction channel according to the 4th rule, specific method include: by
According to the 4th rule, determines that the group HARQ instruction information obtained is ID in ACK/NACK indicates information and organizes, retransmit ACK/
NACK indicates information for the data of the corresponding internet-of-things terminal of ID in the group of NACK；
Determine that group HARQ instruction information is NACK, according to the first regular retransmission data.
9. based on a group HARQ transmission control system for communication in scenes of internet of things, it is characterised in that: the control system includes one kind
Terminal, for completing the internet of things service and group HARQ transmission, control of terminal, comprising: RF receiving and transmission module, processor, storage
Device and group HARQ function module；The RF receiving and transmission module is sent into the processor for receiving the wireless signal from base station
Signal processing is carried out, and sends the signal from the processor；Being stored in the memory can be by the processor
The instruction of execution；The processor is used to call the described instruction of the memory storage, and the processor and described group
HARQ function module carries out information exchange；Described group of HARQ function module includes group HARQ monitoring submodule, group HARQ solution numeral
Module and group HARQ manage submodule, and described group of HARQ monitoring submodule is for monitoring the wireless signal that the radio-frequency module receives
In with the presence or absence of group HARQ indicate a channel, described group of HARQ decoding sub-module is for decoding described group of HARQ monitoring submodule confirmation
Group HARQ indicate channel, information is indicated with acquisition group HARQ, described group of HARQ management submodule is according to decoded group of HARQ
Indicate that information carries out the control of subsequent HARQ transmission.
10. based on a group HARQ transmission control system for communication in scenes of internet of things, it is characterised in that: the control system includes one kind
Base station, for controlling business transmission and HARQ transmission, control in scenes of internet of things based on group communication, comprising: radio-frequency receiving-transmitting
Module, processor, memory and group HARQ function module, the RF receiving and transmission module is for receiving the wireless communication for carrying out self terminal
Number, it is sent into the processor and carries out signal processing, and send the signal from the processor；It is stored in the memory
The instruction that can be executed by the processor；The processor is used to call the described instruction of the memory storage, and described
Processor and described group of HARQ function module carry out information exchange；Described group of HARQ function module includes group HARQ encoding submodule
Submodule is managed with group HARQ, described group of HARQ encoding submodule obtains the data from internet-of-things terminal based on the processor
Decoding result, generation group HARQ indicate information, and generation group HARQ indicates channel, and described group of HARQ management submodule is according to described group
The HARQ transmission for the group HARQ instruction each internet-of-things terminal of information management that HARQ encoding submodule generates.
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| WO2021088057A1 (en) * | 2019-11-08 | 2021-05-14 | Oppo广东移动通信有限公司 | Method and apparatus for transmitting feedback information, method and apparatus for receiving feedback information, terminal, and medium |
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