Data transmission method, terminal device, and network device
AssigneeGuangdong Oppo Mobile Telecommunications Corp., Ltd.
InventorHai Tang
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Abstract
Disclosed are a data transmission method, a terminal device and a network device. The method comprises: the terminal device determining a basic parameter set for transmitting data; the terminal device detecting, according to the basic parameter set, downlink control information DCI sent by the network device for scheduling data; the terminal device detecting, according to the basic parameter set and the detected DCI, data sent by the network device, or sending data to the network device. The data transmission method, the terminal device and the network device of the embodiments of the present invention can realize the scheduling using different DCI formats for the data transmission on the basis of different basic parameter sets, and increase the flexibility of the control signaling design.
Claims20
A method for data transmission, comprising:
- determining, by a terminal device, a numerology, that comprises a subcarrier spacing and a signal prefix length, used in transmitting data, wherein the subcarrier spacing is a frequency interval between adjacent subcarriers, and is selected from at least one of 15 kHz, 30 kHz, 60 kHz or 120 kHz, and the signal prefix length indicates whether the Cyclic Prefix (CP) uses a normal CP or an extended CP;
- detecting, according to the numerology that comprises the subcarrier spacing and the signal prefix length, by the terminal device, Downlink Control Information (DCI) sent by a network device and configured to schedule the data;
- and
- detecting, by the terminal device, the data sent by the network device or sending the data to the network device according to the numerology that comprises the subcarrier spacing and the signal prefix length and the detected DCI.
A method for data transmission, comprising:
- determining, by a network device, a numerology, that comprises a subcarrier spacing and a signal prefix length, used in transmitting data, wherein the subcarrier spacing is a frequency interval between adjacent subcarriers, and is selected from at least one of 15 kHz, 30 kHz, 60 kHz or 120 kHz, and the signal prefix length indicates whether the Cyclic Prefix (CP uses a normal CP or an extended CP;
- sending, according to the numerology that comprises the subcarrier spacing and the signal prefix length, by the network device, Downlink Control Information (DCI) configured to schedule the data to a terminal device;
- and
- sending, by the network device, the data to the terminal device or receiving the data sent by the terminal device according to the numerology that comprises the subcarrier spacing and the signal prefix length and the DCI.
A terminal device, comprising:
- a memory having stored instructions;
- a processor for executing the instructions to implement a plurality of modules comprising:
- a determination module, configured to determine a numerology, that comprises a subcarrier spacing and a signal prefix length, used in transmitting data, herein the subcarrier spacing is a frequency interval between adjacent subcarriers, and is selected from at least one of 15 kHz, 30 kHz, 60 kHz or 120 kHz, and the signal prefix length indicates whether the Cyclic Prefix (CP) uses a normal CP or an extended CP;
- a detection module, configured to detect, according to the numerology that comprises the subcarrier spacing and the signal prefix length determined by the determination module, Downlink Control Information (DCI) sent by a network device and configured to schedule the data;
- and
- a transmission module, configured to detect the data sent by the network device or send the data to the network device according to the numerology that comprises the subcarrier spacing and the signal prefix length determined by the determination module and the DCI detected by the detection module.
Dependencies are inferred from the claim text.