Data transmission method and terminal

• US 10,716,131 B2
• Filed: 01/25/2016
• Issued: 07/14/2020
• Est. Priority Date: 01/25/2016
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Feng, Bin
• Primary Examiner(s): Islam, Rownak
• Application Number:
  US15/771,319
• Publication Number:
  US 20180324839A1
• Time in Patent Office: 1,632 Days
• Field of Search: 370336
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/12 Wireless traffic scheduling
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The present invention discloses a data transmission method and a terminal. In the method, the terminal supports transmissions with different TTL The method comprises: a base station instructing the terminal to use, on the basis of a target time unit of a target carrier wave, a first TTI for transmitting first data for semi-persistent scheduling and a second TTI for transmitting a second data for dynamic scheduling; and determining, on the basis of respective positions in the target time unit of a first time resource occupied for transmitting semi-persistent scheduling and of a second time resource occupied for transmitting dynamic scheduling, to transmit at least one of the first data and the second data, thereby achieving dynamic scheduling and semi-persistent scheduling using different TTIs.

Claims

1. A data communication method, comprising:

receiving, by a terminal, first indication signaling sent by a base station, the first indication signaling indicating the terminal to communicate first semi-persistent scheduling (SPS) data at a first Transmission Time Interval (TTI) on a target time unit of a target carrier;

receiving, by the terminal, second indication signaling sent by the base station, the second indication signaling indicating the terminal to communicate second dynamic scheduling (DS) data at a second TTI on the target time unit of the target carrier, wherein a length of the first TTI is unequal to a length of the second TTI, moreover, the length of the first TTI is smaller than or equal to a length of a time unit, and the length of the second TTI is smaller than or equal to the length of the time unit;

determining, by the terminal, a location of a first time resource occupied by SPS transmission in the target time unit and a location of a second time resource occupied by DS transmission in the target time unit; and

determining, by the terminal, to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit.

2. The method according to claim 1, wherein communication of the first SPS data comprises sending of a first SPS Physical Uplink Shared Channel (PUSCH), and communication of the second DS data comprises sending of a second DS PUSCH;

or

communication of the first SPS data comprises reception of a first SPS Physical Downlink Shared Channel (PDSCH), and communication of the second DS data comprises reception of a second DS PDSCH.

3. The method according to claim 1, wherein

determining, by the terminal, to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit, determining, by the terminal, to occupy the first time resource to communicate the first SPS data.

4. The method according to claim 1, wherein

determining, by the terminal, to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit and a starting time location of the first time resource is the same as a starting time location of the second time resource or the starting time location of the first time resource is after the starting time location of the second time resource, determining, by the terminal, to occupy the second time resource to communicate the second DS data.

5. The method according to claim 1, wherein

determining, by the terminal, to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit and the starting time location of the second time resource is after the starting time location of the first time resource, determining, by the terminal, to occupy the first time resource to communicate the first SPS data.

6. The method according to claim 1, wherein

determining, by the terminal, to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are not overlapped in the target time unit, determining, by the terminal, to occupy the first time resource to communicate the first SPS data and occupy the second time resource to communicate the second DS data.

7. The method according to claim 1, wherein the time unit is a subframe.

8. A terminal, comprising:

a transceiver, configured to receive first indication signaling sent by a base station, the first indication signaling indicating the terminal to communicate first Semi-Persistent Scheduling (SPS) data at a first Transmission Time Interval (TTI) on a target time unit of a target carrier, and further configured to receive second indication signaling sent by the base station, the second indication signaling indicating the terminal to communicate second DS data at a second TTI on the target time unit of the target carrier, wherein a length of the first TTI is unequal to a length of the second TTI, moreover, the length of the first TTI is smaller than or equal to a length of a time unit, and the length of the second TTI is smaller than or equal to the length of the time unit; and

a processor, configured to determine a location of a first time resource occupied by SPS transmission in the target time unit and a location of a second time resource occupied by DS transmission in the target time unit, and further configured to determine to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit.

9. The terminal according to claim 8, wherein communication of the first SPS data comprises sending of a first SPS scheduling Physical Uplink Shared Channel (PUSCH), and communication of the second DS data comprises sending of a second DS PUSCH;

or

communication of the first SPS data comprises reception of a first SPS Physical Downlink Shared Channel (PDSCH), and communication of the second DS data comprises reception of a second DS PDSCH.

10. The terminal according to claim 8, wherein the processor is configured to:

when the first time resource and the second time resource are overlapped in the target time unit, determine to occupy the first time resource to communicate the first SPS data.

11. The terminal according to claim 8, wherein the processor is configured to:

when the first time resource and the second time resource are overlapped in the target time unit and a starting time location of the first time resource is as same as a starting time location of the second time resource or the starting time location of the first time resource is after the starting time location of the second time resource, determine to occupy the second time resource to communicate the second DS data.

12. The terminal according to claim 8, wherein the processor is configured to:

when the first time resource and the second time resource are overlapped in the target time unit and the starting time location of the second time resource is after the starting time location of the first time resource, determine to occupy the first time resource to communicate the first SPS data.

13. The terminal according to claim 8, wherein the processor is configured to:

when the first time resource and the second time resource are not overlapped in the target time unit, determine to occupy the first time resource to communicate the first SPS data and occupy the second time resource to communicate the second DS data.

14. The terminal according to claim 8, wherein the time unit is a subframe.

15. A non-transitory computer readable medium, storing instructions, when executed by a processor, cause the processor to perform a data communication method, the method comprising:

receiving first indication signaling sent by a base station, the first indication signaling indicating a terminal to communicate first semi-persistent scheduling (SPS) data at a first Transmission Time Interval (TTI) on a target time unit of a target carrier;

receiving second indication signaling sent by the base station, the second indication signaling indicating the terminal to communicate second dynamic scheduling (DS) data at a second TTI on the target time unit of the target carrier, wherein a length of the first TTI is unequal to a length of the second TTI, moreover, the length of the first TTI is smaller than or equal to a length of a time unit, and the length of the second TTI is smaller than or equal to the length of the time unit;

determining a location of a first time resource occupied by SPS transmission in the target time unit and a location of a second time resource occupied by DS transmission in the target time unit; and

determining to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit.

16. The non-transitory computer readable medium according to claim 15, wherein communication of the first SPS data comprises sending of a first SPS Physical Uplink Shared Channel (PUSCH), and communication of the second DS data comprises sending of a second DS PUSCH;

or

communication of the first SPS data comprises reception of a first SPS Physical Downlink Shared Channel (PDSCH), and communication of the second DS data comprises reception of a second DS PDSCH.

17. The non-transitory computer readable medium according to claim 15, wherein determining to communicate at least one of the first SPS data

or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit, determining to occupy the first time resource to communicate the first SPS data.

18. The non-transitory computer readable medium according to claim 15, wherein determining to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit and a starting time location of the first time resource is the same as a starting time location of the second time resource or the starting time location of the first time resource is after the starting time location of the second time resource, determining to occupy the second time resource to communicate the second DS data.

19. The non-transitory computer readable medium according to claim 15, wherein determining to communicate at least one of the first SPS data or the second DS data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are overlapped in the target time unit and the starting time location of the second time resource is after the starting time location of the first time resource, determining to occupy the first time resource to communicate the first SPS data.

20. The non-transitory computer readable medium according to claim 15, wherein determining to communicate at least one of the first SPS data or the second S data according to the location of the first time resource in the target time unit and the location of the second time resource in the target time unit comprises:

when the first time resource and the second time resource are not overlapped in the target time unit, determining to occupy the first time resource to communicate the first SPS data and occupy the second time resource to communicate the second DS data.