CN115037332B - Data transmission method and system, terminal equipment, base station and storage medium - Google Patents
Data transmission method and system, terminal equipment, base station and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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Abstract
The present disclosure relates to a data transmission method and system, a terminal device, a base station, and a storage medium. The data transmission method comprises the following steps: and acquiring a preset repeated transmission rule of the base station, wherein the repeated transmission rule allows the Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit. The method and the device can carry out frequency hopping based on repeated transmission, thereby improving the coverage performance.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to a data transmission method and system, a terminal device, a base station, and a storage medium.
Background
The time slot-based retransmission technique Repetition type A (retransmission class a) is a PUCCH (Physical Uplink SHARED CHANNEL )/PUSCH (Physical Uplink Control Channel, physical Uplink control channel) retransmission technique introduced for NR (New Radio, new air interface) Rel-15 (protocol), which supports Uplink PUCCH and PUSCH for 8 times at most, and the RRC (Radio Resource Control ) signaling configures the number of retransmission times, so as to improve Uplink coverage performance.
NR Rel-16 introduces a minislot-based retransmission technique Repetition type B (retransmission class B). DCI (Downlink Control Information ) indicates nominal repetition (nominal retransmission) times, but DL (downlink symbol) and slot boundaries are encountered, and one nominal repetition is divided into actual repetition (actual retransmission) times, which support inter-slot frequency hopping and inter-nominal-retransmission frequency hopping, and special slot uplink symbols can be used for PUSCH transmission.
Disclosure of Invention
The repeated transmission of the related technology Repetition type B can perform frequency hopping mining on the frequency domain diversity gain of Inter-nominal repetition when the configuration nominal repetition is short in duration, but the transmission block is small, the coding gain is small, and the coverage performance of the PUSCH is affected.
In view of at least one of the above technical problems, the present disclosure provides a data transmission method and system, a terminal device, a base station, and a storage medium, which can perform frequency hopping based on repeated transmission, thereby improving coverage performance.
According to one aspect of the present disclosure, there is provided a data transmission method including:
and acquiring a preset repeated transmission rule of the base station, wherein the repeated transmission rule allows the Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, the data transmission method further includes:
Receiving a repeated transmission parameter sent by a base station, wherein the repeated transmission parameter comprises a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether to start frequency hopping in a nominal repeated transmission unit;
And repeating transmission which allows frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameter.
In some embodiments of the present disclosure, the acquiring a retransmission rule preconfigured by the base station includes:
The receiving base station pre-configures a repeated transmission rule through a high-layer signaling, wherein the repeated transmission rule comprises a frequency domain offset, a PUSCH repeated transmission type and a frequency hopping mode.
In some embodiments of the present disclosure, the repeated transmission parameters sent by the receiving base station include:
And receiving repeated transmission parameters sent by the base station through the high-layer signaling or the downlink control information.
In some embodiments of the present disclosure, the repeated transmission parameters sent by the receiving base station through higher layer signaling or downlink control information include:
when the received downlink control information contains a frequency hopping indication domain, repeating transmission according to the downlink control information indication;
And when the received downlink control information does not contain the frequency hopping indication domain, repeating transmission according to the high-level instruction.
In some embodiments of the present disclosure, the repeating transmission according to the repeating transmission rule and the repeating transmission parameter to allow frequency hopping within the nominal repeating transmission unit includes:
Determining a transport block size according to the nominal repeat transmission unit;
Dividing a primary nominal repeated transmission unit into one or more frequency hopping according to the indication of the high-layer signaling or the downlink control information;
transmitting according to the frequency domain offset configured by the high-layer signaling;
and frequency hopping is carried out according to the frequency hopping frequency domain position indicated by the downlink control information and a preset frequency hopping mode.
According to another aspect of the present disclosure, there is provided a data transmission method including:
and pre-configuring a repeated transmission rule to the terminal equipment, wherein the repeated transmission rule allows the Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, the data transmission method further includes:
And sending the repeated transmission parameters to the terminal equipment so that the terminal equipment can perform repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameters, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether frequency hopping in the nominal repeated transmission unit is started or not.
According to another aspect of the present disclosure, there is provided a terminal device including:
The rule acquisition module is used for acquiring a repeated transmission rule pre-configured by the base station, wherein the repeated transmission rule allows the Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, the terminal device further includes:
the parameter receiving module is used for receiving repeated transmission parameters sent by the base station, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether to start frequency hopping in a nominal repeated transmission unit;
and the repeated transmission module is used for carrying out repeated transmission which allows frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameter.
In some embodiments of the present disclosure, the terminal device is configured to perform operations for implementing the data transmission method according to any one of the foregoing embodiments.
According to another aspect of the present disclosure, there is provided a base station including:
And the rule configuration module is used for pre-configuring a repeated transmission rule to the terminal equipment, wherein the repeated transmission rule allows the Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, the base station further comprises:
and the parameter sending module is used for sending the repeated transmission parameters to the terminal equipment so that the terminal equipment can perform repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameters, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether frequency hopping in the nominal repeated transmission unit is started or not.
According to another aspect of the present disclosure, there is provided a data transmission system including a terminal device as described in any one of the above embodiments and a base station as described in any one of the above embodiments.
According to another aspect of the present disclosure, there is provided a computer apparatus comprising:
A memory for storing instructions;
And a processor configured to execute the instructions, and cause the computer device to perform operations for implementing the data transmission method according to any one of the foregoing embodiments.
According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement a data transmission method as described in any of the embodiments above.
The method and the device can carry out frequency hopping based on repeated transmission, thereby improving the coverage performance.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of some embodiments of related art repeated transmissions.
Fig. 2 is a schematic diagram of another embodiment of related art repeated transmission.
Fig. 3a is a schematic diagram of some embodiments of a data transmission method of the present disclosure.
Fig. 3b is a schematic diagram of still another embodiment of the data transmission method of the present disclosure.
Fig. 4 is a schematic diagram of some embodiments of the present disclosure repeat transmissions.
Fig. 5 is a schematic diagram of other embodiments of the data transmission method of the present disclosure.
Fig. 6 is a schematic diagram of some embodiments of a terminal device of the present disclosure.
Fig. 7 is a schematic diagram of some embodiments of a base station of the present disclosure.
Fig. 8 is a schematic diagram of some embodiments of a data transmission system of the present disclosure.
Fig. 9 is a schematic diagram of some embodiments of a computer device of the present disclosure.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Fig. 1 is a schematic diagram of some embodiments of related art repeated transmissions. As shown in fig. 1, in the repeat transmission of Repetition type B, when the duration of the configuration nominal repetition is short, inter-nominal repetition frequency hopping (frequency hopping between nominal repeat transmissions) can be performed at four frequency domain positions (frequency domain position 1, frequency domain position 2, frequency domain position 3, frequency domain position 4) of four nominal repetition units, and the frequency domain diversity gain is mined, but in this case, the transmission block is small, the coding gain is small, and the PUSCH coverage performance is affected.
Fig. 2 is a schematic diagram of another embodiment of related art repeated transmission. As shown in fig. 2, in the repeat transmission of Repetition type B, when the duration of configuration nominal repetition (nominal repeat transmission) is long, inter-nominal repetition frequency hopping (frequency hopping between nominal repeat transmissions) can be performed at two frequency domain positions (frequency domain position 1 and frequency domain position 2) of two nominal repetition units, as shown in fig. 2, the transmission block of the second nominal repetition unit is large, and the coding gain is large, but since the embodiment does not support intra-nominal repetition (frequency hopping in nominal repeat transmission), the frequency domain diversity gain cannot be fully utilized, so that PUSCH coverage performance is affected.
In view of at least one of the above technical problems, the present disclosure provides a data transmission method and system, a terminal device, a base station, and a storage medium, and the present disclosure is described below by way of specific embodiments.
Fig. 3a is a schematic diagram of some embodiments of a data transmission method of the present disclosure. Preferably, the present embodiment may be performed by the terminal device of the present disclosure. The method may include step 31, wherein:
In step 31, the terminal device acquires a retransmission rule preconfigured by the base station, wherein the retransmission rule allows the physical uplink shared channel PUSCH to perform frequency hopping (intra-nominal repetition hop) in the nominal retransmission unit.
In some embodiments of the present disclosure, step 31 may include: the terminal device receives a retransmission rule preconfigured by the base station through higher layer signaling, wherein the retransmission rule may include a frequency domain offset, a PUSCH retransmission type (e.g. PUSCH repetition type B), and a frequency hopping mode (hop pattern).
In some embodiments of the present disclosure, FHSS (Frequency hopping technique) refers to a technique that uses a pseudo-random code sequence for Frequency shift keying to spread the Frequency spectrum with carrier Frequency hopping.
In some embodiments of the present disclosure, the higher layer signaling may be RRC signaling.
Fig. 3b is a schematic diagram of still another embodiment of the data transmission method of the present disclosure. Preferably, the present embodiment may be performed by the terminal device of the present disclosure. The method of the embodiment of fig. 3b may comprise, in addition to step 31 of the embodiment of fig. 3a, step 32 and step 33, wherein:
And step 32, the terminal equipment receives the repeated transmission parameters sent by the base station, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether to start frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, step 32 may include: the terminal equipment receives repeated transmission parameters sent by the base station through the high-layer signaling or the downlink control information.
In some embodiments of the present disclosure, the step of receiving the repeated transmission parameters sent by the base station through higher layer signaling or downlink control information may include: when the received downlink control information contains a frequency hopping indication domain, repeating transmission according to the downlink control information indication; and when the received downlink control information does not contain the frequency hopping indication domain, repeating transmission according to the high-level instruction.
In step 33, the terminal device performs repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameter.
In some embodiments of the present disclosure, step 33 may include: the terminal equipment determines the size of a transmission block according to the nominal repeated transmission unit; the terminal equipment divides a primary nominal repeated transmission unit into one or more frequency hops according to the indication of high-layer signaling or downlink control information; the terminal equipment transmits according to the frequency domain offset configured by the high-layer signaling; and the terminal equipment performs frequency hopping according to the frequency hopping domain position indicated by the downlink control information and a preset frequency hopping mode.
Based on PUSCH repetition type B, the data transmission method provided by the embodiment of the disclosure can introduce intra-nominal repetition frequency hopping, so that the PUSCH coverage performance is improved.
Fig. 4 is a schematic diagram of some embodiments of the present disclosure repeat transmissions. As shown in fig. 4, in the retransmission of the present disclosure Repetition type B, both inter-nominal repetition hopping (frequency hopping between nominal retransmissions) and intra-nominal repetition (frequency hopping within nominal retransmissions) are supported. Fig. 4 includes two nominal repeat units (nominal repetition), wherein the second nominal repeat unit has a longer duration, and inter-nominal repetition hopping (frequency hopping between nominal repeat units) is performed between the two nominal repeat units. In the second nominal repeat transmission unit, two frequency domain positions (frequency domain position 2 and frequency domain position 3) are set, and intra-nominal repetition (frequency hopping in nominal repeat transmission) can be performed, so that the transmission block of the second nominal repetition unit can be large, the coding gain is large, meanwhile, the intra-nominal repetition (frequency hopping in nominal repeat transmission) is supported, and the frequency domain diversity gain can be fully utilized, so that the PUSCH coverage performance is improved.
Fig. 5 is a schematic diagram of other embodiments of the data transmission method of the present disclosure. Preferably, the present embodiment may be performed by a base station of the present disclosure. The method may comprise step 51, wherein:
In step 51, the base station configures a retransmission rule in advance to the terminal device, where the retransmission rule allows the physical uplink shared channel PUSCH to perform frequency hopping in the nominal retransmission unit.
In some embodiments of the present disclosure, as shown in fig. 5, the data transmission method of the present disclosure may further include step 52, wherein:
Step 52, the base station sends the repeated transmission parameters to the terminal device, so that the terminal device performs repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameters, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether frequency hopping in the nominal repeated transmission unit is started or not.
The embodiment of the disclosure is based on PUSCH repetition type B, and intra-nominal repetition frequency hopping is introduced, so that the PUSCH coverage performance is improved.
The base station of the above embodiment of the present disclosure may configure whether to start intra-nominal repetition frequency hopping through a higher layer signaling, and the base station higher layer configures frequency domain offset.
The base station of the above embodiment of the present disclosure may indicate, through DCI, whether PUSCH transmission employs intra-nominal repetition frequency hopping. The base station can instruct nominal repetition first hop frequency domain positions through DCI, and the rest hops carry out frequency hopping according to a given pattern.
Fig. 6 is a schematic diagram of some embodiments of a terminal device of the present disclosure. As shown in fig. 6, the terminal device of the present disclosure may include a rule acquisition module 61, wherein:
the rule obtaining module 61 is configured to obtain a retransmission rule preconfigured by the base station, where the retransmission rule allows the physical uplink shared channel PUSCH to perform frequency hopping in the nominal retransmission unit.
In some embodiments of the present disclosure, the rule obtaining module 61 may be configured to receive a retransmission rule preconfigured by the base station through higher layer signaling, where the retransmission rule may include a frequency domain Offset, a PUSCH retransmission type (e.g. PUSCH repetition type B), and a frequency hopping mode (pattern).
In some embodiments of the present disclosure, the higher layer signaling may be RRC signaling.
In some embodiments of the present disclosure, as shown in fig. 6, the terminal device of the present disclosure may further include a parameter receiving module 62 and a retransmission module 63, where:
The parameter receiving module 62 is configured to receive a retransmission parameter sent by a base station, where the retransmission parameter includes a frequency hopping indication field, and the frequency hopping indication field is configured to identify whether to start frequency hopping in a nominal retransmission unit.
In some embodiments of the present disclosure, the parameter receiving module 62 may be configured to receive repeated transmission parameters sent by the base station through higher layer signaling or downlink control information.
In some embodiments of the present disclosure, the parameter receiving module 62 may be configured to perform retransmission according to the downlink control information indication when the received downlink control information includes the frequency hopping indication field; and when the received downlink control information does not contain the frequency hopping indication domain, repeating transmission according to the high-level instruction.
A retransmission module 63, configured to perform retransmission that allows frequency hopping in the nominal retransmission unit according to the retransmission rule and the retransmission parameter.
In some embodiments of the present disclosure, the duplicate transmission module 63 may be configured to determine a transport block size from a nominal duplicate transmission unit; dividing a primary nominal repeated transmission unit into one or more frequency hopping according to the indication of the high-layer signaling or the downlink control information; transmitting according to the frequency domain offset configured by the high-layer signaling; and frequency hopping is carried out according to the frequency hopping frequency domain position indicated by the downlink control information and a preset frequency hopping mode.
In some embodiments of the present disclosure, the terminal device is configured to perform operations for implementing the data transmission method according to any of the embodiments described above (e.g. the embodiment of fig. 3a or fig. 3 b).
In some embodiments of the present disclosure, the terminal device may be configured to repeat transmission according to DCI indication when the received DCI has an intra-nominal repetition frequency hopping indication field; if the DCI does not have the intra-nominal repetition frequency hopping indication domain, the terminal carries out repeated transmission according to the high-layer signaling indication.
In some embodiments of the present disclosure, the terminal device may be configured to perform PUSCH transmission according to the following rules when the higher layer or DCI supports to turn on intra-nominal repetition frequency hopping: TBS (Transport Block Size ) is determined nominal repetition; according to high-layer signaling or DCI indication, the number of hops in nominal repetition can be divided into 1 or more; transmitting according to the high-layer configuration frequency domain offset; and frequency hopping is carried out according to the hop frequency domain position indicated by the DCI and the preset pattern.
Based on the terminal equipment provided by the embodiment of the disclosure, the intra-nominal repetition frequency hopping can be introduced based on PUSCH repetition type B, so that the PUSCH coverage performance is improved.
Fig. 7 is a schematic diagram of some embodiments of a base station of the present disclosure. As shown in fig. 7, the base station of the present disclosure may include a rule configuration module 71, wherein:
a rule configuration module 71, configured to pre-configure a repeated transmission rule to a terminal device, where the repeated transmission rule allows the physical uplink shared channel PUSCH to perform frequency hopping in a nominal repeated transmission unit.
In some embodiments of the present disclosure, as shown in fig. 7, the base station of the present disclosure may further include a parameter sending module 72, where:
and a parameter sending module 72, configured to send a retransmission parameter to the terminal device, so that the terminal device performs retransmission that allows frequency hopping in the nominal retransmission unit according to the retransmission rule and the retransmission parameter, where the retransmission parameter includes a frequency hopping indication field, and the frequency hopping indication field is used to identify whether to start frequency hopping in the nominal retransmission unit.
Based on PUSCH repetition type B, the base station of the embodiment of the disclosure introduces intra-nominal repetition frequency hopping, thereby improving the PUSCH coverage performance.
The base station of the above embodiment of the present disclosure may configure whether to start intra-nominal repetition frequency hopping through a higher layer signaling, and the base station higher layer configures frequency domain offset.
The base station of the above embodiment of the present disclosure may indicate, through DCI, whether PUSCH transmission employs intra-nominal repetition frequency hopping. The base station can instruct nominal repetition first hop frequency domain positions through DCI, and the rest hops carry out frequency hopping according to a given pattern.
Fig. 8 is a schematic diagram of some embodiments of a data transmission system of the present disclosure. As shown in fig. 8, a transmission system for improving uplink coverage performance of a physical uplink control channel of the present disclosure may include a terminal device 81 and a base station 82, where:
base station 82 may be a base station as described in any of the embodiments described above (e.g., the fig. 7 embodiment).
In some embodiments of the present disclosure, the base station 82 may be configured to switch on intra-nominal repetition frequency hopping by higher layer signaling, and the base station higher layer configures frequency domain offset; indicating whether the PUSCH transmission adopts intra-nominal repetition frequency hopping or not through DCI; and indicating nominal repetition first hop frequency domain positions once through DCI, and performing frequency hopping on the rest hops according to a set pattern.
The terminal device 81 may be a terminal device as described in any of the embodiments described above (e.g. the embodiment of fig. 6).
In some embodiments of the present disclosure, the terminal device 81 may be configured to repeat transmission according to DCI indication when the received DCI has an intra-nominal repetition frequency hopping indication field; if the DCI does not have the intra-nominal repetition frequency hopping indication domain, the terminal carries out repeated transmission according to the high-layer signaling indication.
In some embodiments of the present disclosure, the terminal device 81 may be configured to perform PUSCH transmission according to the following rules when the higher layer or DCI support starts intra-nominal repetition frequency hopping: TBS is determined by nominal repetition; according to high-layer signaling or DCI indication, the number of hops in nominal repetition can be divided into 1 or more; transmitting according to the high-layer configuration frequency domain offset; and frequency hopping is carried out according to the hop frequency domain position indicated by the DCI and the preset pattern.
The data transmission system provided by the embodiment of the disclosure is an improvement on the repeated transmission scheme of the uplink channel. The embodiment of the disclosure can introduce intra-nominal repetition frequency hopping based on PUSCH repetition type B, so that the PUSCH coverage performance is improved.
The above embodiments of the present disclosure relate to the field of wireless communication technology, in particular 5G. The retransmission scheme and the frequency hopping scheme of the above embodiments of the present disclosure can be used as potential schemes for improving coverage in the 3GPP Rel-17 NR coverage enhancement standpoint.
Fig. 9 is a schematic diagram of some embodiments of a computer device of the present disclosure. As shown in fig. 9, the computer device may include a memory 91 and a processor 92.
The memory 91 is for storing instructions and the processor 92 is coupled to the memory 91, the processor 92 being configured to perform a data transmission method according to any of the embodiments described above (e.g. the embodiment of fig. 3a, 3b or 5) based on the instructions stored by the memory.
In case the processor 92 performs the implementation of the data transmission method as described in the embodiment of fig. 3a or 3b, the computer means may be implemented as a terminal device.
In case the processor 92 performs the data transmission method as described in the embodiment of fig. 5, the computer apparatus may be implemented as a base station.
As shown in fig. 9, the computer apparatus further includes a communication interface 93 for information interaction with other devices. Meanwhile, the computer device further comprises a bus 94, and the processor 92, the communication interface 93, and the memory 91 perform communication with each other through the bus 94.
The memory 91 may comprise a high-speed RAM memory or may further comprise a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory. The memory 91 may also be a memory array. The memory 91 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 92 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.
Based on the computer device provided by the embodiment of the disclosure, intra-nominal repetition frequency hopping can be introduced based on PUSCH repetition type B, so that the PUSCH coverage performance is improved.
According to another aspect of the present disclosure, there is provided a non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement a data transmission method as described in any of the embodiments (e.g. the embodiments of fig. 3a, 3b or 5).
Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Based on the non-transitory computer readable storage medium provided by the above embodiments of the present disclosure, intra-nominal repetition frequency hopping can be introduced based on PUSCH repetition type B, so as to improve PUSCH coverage performance.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The terminal devices and base stations described above may be implemented as general purpose processors, programmable Logic Controllers (PLCs), digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present disclosure has been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
Those of ordinary skill in the art will appreciate that all or a portion of the steps implementing the above embodiments may be implemented by hardware, or may be implemented by a program indicating that the relevant hardware is implemented, where the program may be stored on a non-transitory computer readable storage medium, where the storage medium may be a read-only memory, a magnetic disk or optical disk, etc.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (12)
1. A data transmission method, comprising:
acquiring a preset repeated transmission rule of a base station, wherein the repeated transmission rule allows a Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit;
Receiving a repeated transmission parameter sent by a base station, wherein the repeated transmission parameter comprises a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether to start frequency hopping in a nominal repeated transmission unit;
And repeating transmission which allows frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameter.
2. The method according to claim 1, wherein the acquiring the repeated transmission rule preconfigured by the base station includes:
The receiving base station pre-configures a repeated transmission rule through a high-layer signaling, wherein the repeated transmission rule comprises a frequency domain offset, a PUSCH repeated transmission type and a frequency hopping mode.
3. The data transmission method according to claim 1 or 2, wherein the repeated transmission parameters transmitted by the receiving base station include:
And receiving repeated transmission parameters sent by the base station through the high-layer signaling or the downlink control information.
4. The data transmission method according to claim 3, wherein the repeated transmission parameters sent by the receiving base station through higher layer signaling or downlink control information include:
when the received downlink control information contains a frequency hopping indication domain, repeating transmission according to the downlink control information indication;
And when the received downlink control information does not contain the frequency hopping indication domain, repeating transmission according to the high-level instruction.
5. The data transmission method according to claim 1 or 2, wherein the performing the repetition transmission that allows the frequency hopping within the nominal repetition transmission unit according to the repetition transmission rule and the repetition transmission parameter comprises:
Determining a transport block size according to the nominal repeat transmission unit;
Dividing a primary nominal repeated transmission unit into one or more frequency hopping according to the indication of the high-layer signaling or the downlink control information;
transmitting according to the frequency domain offset configured by the high-layer signaling;
and frequency hopping is carried out according to the frequency hopping frequency domain position indicated by the downlink control information and a preset frequency hopping mode.
6. A data transmission method, comprising:
pre-configuring a repeated transmission rule to a terminal device, wherein the repeated transmission rule allows a Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit;
And sending the repeated transmission parameters to the terminal equipment so that the terminal equipment can perform repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameters, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether frequency hopping in the nominal repeated transmission unit is started or not.
7. A terminal device, comprising:
The rule acquisition module is used for acquiring a repeated transmission rule pre-configured by the base station, wherein the repeated transmission rule allows a Physical Uplink Shared Channel (PUSCH) to carry out frequency hopping in a nominal repeated transmission unit;
the parameter receiving module is used for receiving repeated transmission parameters sent by the base station, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether to start frequency hopping in a nominal repeated transmission unit;
and the repeated transmission module is used for carrying out repeated transmission which allows frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameter.
8. The terminal device according to claim 7, characterized in that the terminal device is adapted to perform operations for implementing the data transmission method according to any of claims 2-5.
9. A base station, comprising:
a rule configuration module, configured to pre-configure a repeated transmission rule to a terminal device, where the repeated transmission rule allows a physical uplink shared channel PUSCH to perform frequency hopping in a nominal repeated transmission unit;
and the parameter sending module is used for sending the repeated transmission parameters to the terminal equipment so that the terminal equipment can perform repeated transmission allowing frequency hopping in the nominal repeated transmission unit according to the repeated transmission rule and the repeated transmission parameters, wherein the repeated transmission parameters comprise a frequency hopping indication field, and the frequency hopping indication field is used for identifying whether frequency hopping in the nominal repeated transmission unit is started or not.
10. A data transmission system comprising a terminal device according to claim 7 or 8 and a base station according to claim 9.
11. A computer apparatus, comprising:
A memory for storing instructions;
a processor configured to execute the instructions to cause the computer device to perform operations implementing the data transmission method of any one of claims 1-6.
12. A non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement the data transmission method of any one of claims 1-6.
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| Nokia.Introduction of NR URLLC support.3GPP TSG-RAN WG1 Meeting #99 R1-1913650.2019,5.2-6.3.2. * |
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| vivo.PUSCH enhancements for URLLC.3GPP TSG RAN WG1 #96bis R1-1904083.2019,全文. * |
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