CN-116455711-B - Data transmission method and device

Abstract

The invention discloses a data transmission method and device, and relates to the technical field of communication. The method comprises the steps of determining a modulation mode corresponding to available time domain resources based on characteristic information of the available time domain resources of the terminal equipment or indication information of network equipment, wherein the characteristic information of the available time domain resources is the position of the available time domain resources and/or the length of the available time domain resources, and transmitting data to be transmitted by the terminal equipment based on the modulation mode. Based on the method, according to the amount of the used time domain resources, different modulation modes can be used for transmitting data, so that the resources can be more reasonably utilized, and the data transmission performance is improved.

Inventors

• ZHANG YUJIE
• BAI WEI

Assignees

• 大唐移动通信设备有限公司

Dates

Publication Date

20260512

Application Date

20220107

Claims (20)

1. 1. A data transmission method, applied to a terminal device, the method comprising: Determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource of the terminal equipment, wherein the characteristic information of the available time domain resource is the position of the available time domain resource and/or the length of the available time domain resource; transmitting the data to be transmitted of the terminal equipment based on the modulation mode; when the characteristic information of the available time domain resource is the position of the available time domain resource, determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource comprises the following steps: determining a target second mapping pattern between a time domain resource set and a modulation mode, wherein the target second mapping pattern is determined from a plurality of second mapping patterns based on the identification of the terminal equipment or the indication information of the network equipment; When the position of the available time domain resource is overlapped with any time domain resource set in the target second mapping pattern, determining the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource corresponds to a plurality of time domain resource sets in the target second mapping pattern, taking any one or more of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource is a subset of any time domain resource set in the target second mapping pattern, or when the position of the available time domain resource has intersection with any time domain resource set in the target second mapping pattern but does not have intersection with the time domain resource sets except any time domain resource set, taking the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource comprises a plurality of time domain resource sets in the target second mapping pattern, taking any one of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource; When the characteristic information of the available time domain resource is the length of the available time domain resource, determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource comprises the following steps: Determining a target first mapping pattern between the time domain resource length and the modulation mode; And determining a modulation mode corresponding to the available time domain resource based on the length of the available time domain resource and the target first mapping pattern.
2. 2. The method of claim 1, wherein the target first mapping pattern includes a set of time domain resource lengths obtained by grouping time domain resource lengths according to different thresholds, a mapping relationship with a modulation scheme, and a mapping relationship between each time domain resource length and the modulation scheme.
3. 3. The method of claim 2, wherein different sets of time domain resource lengths correspond to different modulation schemes, or wherein some or all of the sets of time domain resource lengths correspond to the same modulation scheme.
4. 4. A method according to any of claims 1-3, wherein determining a target first mapping pattern between time domain resource length and modulation scheme comprises: a target first mapping pattern is determined from the plurality of first mapping patterns based on the identity of the terminal device or the indication information of the network device.
5. 5. The method of claim 1, wherein the corresponding positional relationship between the different sets of time domain resources is any one of adjacent, spaced, and partially overlapping.
6. 6. The method of claim 1 or 5, wherein the set of time domain resources is any one of a plurality of resulting sets of time domain resources obtained by dividing an initial set of time domain resources based on location.
7. 7. A data transmission method, applied to a network device, the method comprising: Determining a modulation mode of the received data based on the characteristic information of the available time domain resources of the received data, wherein the characteristic information of the available time domain resources is the position of the available time domain resources and/or the length of the available time domain resources; processing the received data based on the modulation mode of the received data; when the characteristic information of the available time domain resource is the position of the available time domain resource, determining the modulation mode of the received data based on the characteristic information of the available time domain resource of the received data comprises: determining a target second mapping pattern between the time domain resource set and the modulation mode, wherein the target second mapping pattern is determined from a plurality of second mapping patterns based on the identification of the terminal equipment or the indication information of the network equipment; When the position of the available time domain resource is overlapped with any time domain resource set in the target second mapping pattern, determining the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource corresponds to a plurality of time domain resource sets in the target second mapping pattern, taking any one or more of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource is a subset of any time domain resource set in the target second mapping pattern, or when the position of the available time domain resource has intersection with any time domain resource set in the target second mapping pattern but does not have intersection with the time domain resource sets except any time domain resource set, taking the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource comprises a plurality of time domain resource sets in the target second mapping pattern, taking any one of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource; When the characteristic information of the available time domain resource further includes the length of the available time domain resource, determining a modulation mode of the received data based on the characteristic information of the available time domain resource of the received data includes: Determining a target first mapping pattern between the time domain resource length and the modulation mode; And determining a modulation mode of the received data by combining the target first mapping pattern based on the length of the available time domain resource or the indication information of the network equipment.
8. 8. The method of claim 7, wherein the target first mapping pattern includes a set of time domain resource lengths obtained by grouping time domain resource lengths according to different thresholds, a mapping relationship with a modulation scheme, and a mapping relationship between each time domain resource length and the modulation scheme.
9. 9. The method of claim 8, wherein different sets of time domain resource lengths correspond to different modulation schemes, or wherein some or all of the sets of time domain resource lengths correspond to the same modulation scheme.
10. 10. The method of claim 7, wherein the corresponding positional relationship between the different sets of time domain resources is any one of adjacent, spaced, and partially overlapping.
11. 11. The method of claim 7 or 10, wherein the set of time domain resources is any one of a plurality of different sets of time domain resources obtained by dividing an initial set of time domain resources based on location.
12. 12. A data transmission device, comprising a memory, a transceiver, and a processor: the system comprises a memory for storing a computer program, a transceiver for receiving and transmitting data under the control of the processor, and a processor for reading the computer program in the memory and performing the following operations: Determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource of the terminal equipment, wherein the characteristic information of the available time domain resource is the position of the available time domain resource and/or the length of the available time domain resource; transmitting the data to be transmitted of the terminal equipment based on the modulation mode; when the characteristic information of the available time domain resource is the position of the available time domain resource, determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource comprises the following steps: determining a target second mapping pattern between a time domain resource set and a modulation mode, wherein the target second mapping pattern is determined from a plurality of second mapping patterns based on the identification of the terminal equipment or the indication information of the network equipment; When the position of the available time domain resource is overlapped with any time domain resource set in the target second mapping pattern, determining the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource corresponds to a plurality of time domain resource sets in the target second mapping pattern, taking any one or more of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource is a subset of any time domain resource set in the target second mapping pattern, or when the position of the available time domain resource has intersection with any time domain resource set in the target second mapping pattern but does not have intersection with the time domain resource sets except any time domain resource set, taking the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource comprises a plurality of time domain resource sets in the target second mapping pattern, taking any one of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource; When the characteristic information of the available time domain resource is the length of the available time domain resource, the processor performs the following operations: Determining a target first mapping pattern between the time domain resource length and the modulation mode; And determining a modulation mode corresponding to the available time domain resource based on the length of the available time domain resource and the target first mapping pattern.
13. 13. The apparatus of claim 12, wherein the target first mapping pattern comprises a set of time domain resource lengths obtained by grouping time domain resource lengths according to different thresholds, a mapping relationship with a modulation scheme, and a mapping relationship between each time domain resource length and the modulation scheme.
14. 14. The apparatus of claim 13, wherein different sets of time domain resource lengths correspond to different modulation schemes, or wherein some or all of the sets of time domain resource lengths correspond to the same modulation scheme.
15. 15. The apparatus of any of claims 12-14, wherein the processor performs the following operations: a target first mapping pattern is determined from the plurality of first mapping patterns based on the identity of the terminal device or the indication information of the network device.
16. 16. The apparatus of claim 12, wherein the corresponding positional relationship between the different sets of time domain resources is any one of adjacent, spaced, partially overlapping.
17. 17. The apparatus of claim 12 or 16, wherein the set of time domain resources is any one of a plurality of resulting sets of time domain resources from a location-based partitioning of an initial set of time domain resources.
18. 18. A data transmission device, comprising a memory, a transceiver, and a processor: the system comprises a memory for storing a computer program, a transceiver for receiving and transmitting data under the control of the processor, and a processor for reading the computer program in the memory and performing the following operations: Determining a modulation mode of the received data based on the characteristic information of the available time domain resources of the received data, wherein the characteristic information of the available time domain resources is the position of the available time domain resources and/or the length of the available time domain resources; processing the received data based on the modulation mode of the received data; When the characteristic information of the available time domain resource is the position of the available time domain resource, determining the modulation mode of the received data comprises the following steps: determining a target second mapping pattern between the time domain resource set and the modulation mode, wherein the target second mapping pattern is determined from a plurality of second mapping patterns based on the identification of the terminal equipment or the indication information of the network equipment; When the position of the available time domain resource is overlapped with any time domain resource set in the target second mapping pattern, determining the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource corresponds to a plurality of time domain resource sets in the target second mapping pattern, taking any one or more of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource is a subset of any time domain resource set in the target second mapping pattern, or when the position of the available time domain resource has intersection with any time domain resource set in the target second mapping pattern but does not have intersection with the time domain resource sets except any time domain resource set, taking the modulation mode corresponding to any time domain resource set as the modulation mode corresponding to the available time domain resource, or When the position of the available time domain resource comprises a plurality of time domain resource sets in the target second mapping pattern, taking any one of modulation modes corresponding to the plurality of time domain resource sets as the modulation mode corresponding to the available time domain resource; When the characteristic information of the available time domain resource is the length of the available time domain resource, the processor performs the following operations: Determining a target first mapping pattern between the time domain resource length and the modulation mode; And determining a modulation mode of the received data according to the length of the available time domain resource or the indication information of the network equipment and the target first mapping pattern.
19. 19. The apparatus of claim 18, wherein the target first mapping pattern comprises a set of time domain resource lengths obtained by grouping time domain resource lengths according to different thresholds, a mapping relationship with a modulation scheme, and a mapping relationship between each time domain resource length and the modulation scheme.
20. 20. The apparatus of claim 19, wherein different sets of time domain resource lengths correspond to different modulation schemes, or wherein some or all of the sets of time domain resource lengths correspond to the same modulation scheme.

Description

Data transmission method and device Technical Field The present invention relates to the field of communications technologies, and in particular, to a data transmission method and apparatus. Background Currently, with the continuous development and change of mobile communication, a new wireless communication system, i.e., 6G, is becoming an important point of research. In the prior art, a terminal generally determines a corresponding modulation scheme based on a network indicated or preset scheme. Specifically, when a preset modulation mode is adopted for communication, if a relatively high-order modulation mode is preset, when available resources of the terminal are more and data to be transmitted are less, resources are wasted, for example, zero filling operation is needed. And if a relatively low-order modulation mode is preset, when the available resources of the terminal are less and more data needs to be transmitted, the transmission of all data cannot be completed in one transmission, for example, operations such as segmentation and multiple transmission need to be performed, so that the time delay of data transmission is increased. Moreover, since the number of connection devices increases, the number of connection devices is one of the important driving forces of 6G, and in a specific key technical index, the density of connection devices may reach tens of millions per square kilometer of terminal. Therefore, from the viewpoint of the number of connected devices, it is impossible to determine the modulation scheme by using an orthogonal multiple access technique such as OFDMA (Orthogonal Frequency Division Multiple Access ) which requires prior coordination. As can be seen, there is a need in the related art for a scheme for adaptively selecting a modulation scheme to reasonably utilize resources. Disclosure of Invention The invention provides a data transmission method and a data transmission device, which are used for providing a scheme for supporting adaptive selection of a modulation mode, so that resources can be more reasonably utilized and the data transmission performance is improved. The specific technical scheme provided by the embodiment of the invention is as follows: in a first aspect, an embodiment of the present invention provides a data transmission method, which is applied to a terminal device, where the method includes: Determining a modulation mode corresponding to the available time domain resource based on the characteristic information of the available time domain resource of the terminal equipment or the indication information of the network equipment, wherein the characteristic information of the available time domain resource is the position of the available time domain resource and/or the length of the available time domain resource; and transmitting the data to be transmitted by the terminal equipment based on the modulation mode. In a possible implementation manner, when the characteristic information of the available time domain resource is the length of the available time domain resource, determining, based on the characteristic information of the available time domain resource, a modulation mode corresponding to the available time domain resource includes: Determining a target first mapping pattern between the time domain resource length and the modulation mode; And determining a modulation mode corresponding to the available time domain resource based on the length of the available time domain resource and the target first mapping pattern. In one possible implementation manner, the target first mapping pattern includes a time domain resource length group obtained by grouping time frequency resource lengths according to different thresholds, a mapping relationship between the time domain resource length group and a modulation mode, and a mapping relationship between each time domain resource length and the modulation mode. In one possible implementation, different time domain resource length groups correspond to different modulation schemes, or some or all of the time domain resource length groups correspond to the same modulation scheme. In one possible implementation, determining a target first mapping pattern between a time domain resource length and a modulation scheme includes: A target first mapping pattern is determined from the plurality of first mapping patterns based on the identification of the terminal device or the indication information of the network device. In a possible implementation manner, when the characteristic information of the available time domain resource is a location of the available time domain resource, determining, based on the characteristic information of the available time domain resource, a modulation mode corresponding to the available time domain resource includes: determining a target second mapping pattern between a time domain resource set and a modulation mode, wherein the target second mapping pattern is determined from a plu