Information transmission method and user equipment
Embodiments of the present disclosure provide an information transmission method, including: determining, by a user equipment (UE), first speed information of the UE; determining, by the UE, a transmission manner of control information based on the first speed information; and sending, by the UE, the control information in the transmission manner over a first link. In the embodiments of the present disclosure, the UE may determine the transmission manner of the control information based on the first speed information. When the UE is high speed UE, an appropriate transmission manner can be selected for the high speed UE, thereby meeting a transmission requirement of the high speed UE and ensuring a transmission success rate.
1. An information transmission method, comprising:
determining, by a user equipment (UE), a quantity of transmissions of data scheduled by control information to be transmitted based on an absolute speed of the UE;
determining, by the UE, a transmission manner of the control information based on the quantity of transmissions of the data; and
sending, by the UE, the control information in the transmission manner on a first link;
wherein the transmission manner comprises a quantity of Physical Resource Blocks (PRBs) for transmitting the control information and a maximum quantity of transmissions of the control information.
2. The method according to claim 1 , wherein the transmission manner further comprises at least one of the following:
a transmission resource used for sending the control information;
a cyclic redundancy check (CRC) mask of the control information;
a scrambling sequence of the control information;
a demodulation reference signal used by a control channel carrying the control information; or
a modulation and coding scheme (MCS) used by the control information.
3. The method according to claim 1 , wherein valid fields in the control information are based on the quantity of transmissions of the data.
4. The method according to claim 1 , wherein the quantity of transmissions of the data is N, and the control information comprises time-frequency resources used for M of the N transmissions, so that a receive end of the control information determines, based on the time-frequency resources used for the M transmissions that are comprised in the control information, time-frequency resources used for the N transmissions, wherein M<N, and M and N are positive integers.
5. The method according to claim 1 , wherein the control information comprises indication information of a current quantity of transmissions.
6. The method according to claim 1 , wherein the control information further comprises the quantity of transmissions of the data and indication information of a time-frequency resource used for each transmission of the data.
7. The method according to claim 1 , wherein:
in response to the absolute speed of the UE being less than a speed threshold, the transmission manner of the control information is a first transmission manner; and
in response to the absolute speed of the UE being greater than or equal to the speed threshold, the transmission manner of the control information is a second transmission manner;
wherein the speed threshold is received from a base station by signaling; and
wherein the first transmission manner and the second transmission manner are different.
8. The method according to claim 7 , wherein a plurality of speed thresholds are defined.
9. The method according to claim 7 , wherein the speed threshold is 200 km/h.
10. A user equipment (UE), comprising:
one or more processors;
a computer-readable storage medium storing program instructions, wherein executing the program instructions by the one or more processors causes the apparatus to:
determine a quantity of transmissions of data scheduled by control information to be transmitted based on an absolute speed of the UE; and
determine a transmission manner of the control information based on the quantity of transmissions of the data; and
a transmitter, configured to send the control information in the transmission manner on a first link wherein the transmission manner comprises a quantity of Physical Resource Blocks (PRBs) for transmitting the control information and a maximum quantity of transmissions of the control information.
11. The user equipment according to claim 10 , wherein the transmission manner further comprises at least one of the following:
a transmission resource used for sending the control information;
a cyclic redundancy check (CRC) mask of the control information;
a scrambling sequence of the control information;
a demodulation reference signal used by a control channel carrying the control information; or
a modulation and coding scheme (MCS) used by the control information.
12. The user equipment according to claim 10 , wherein valid fields in the control information are based on the quantity of transmissions of the data.
13. The user equipment according to claim 10 , wherein the quantity of transmissions of the data is N, and the control information comprises time-frequency resources used for M of the N transmissions, so that a receive end of the control information determines, based on the time-frequency resources used for the M transmissions that are comprised in the control information, time-frequency resources used for the N transmissions, wherein M<N, and M and N are positive integers.
14. The user equipment according to claim 10 , wherein the control information comprises indication information of a current quantity of transmissions.
15. The user equipment according to claim 10 , wherein the control information further comprises the quantity of transmissions of the data and indication information of a time-frequency resource used for each transmission of the data.
16. The user equipment according to claim 10 , wherein:
in response to the absolute speed of the UE being less than a speed threshold, the transmission manner of the control information is a first transmission manner; and
in response to the absolute speed of the UE being greater than or equal to the speed threshold, the transmission manner of the control information is a second transmission manner;
wherein the speed threshold is received from a base station by signaling; and
wherein the first transmission manner and the second transmission manner are different.
17. The user equipment according to claim 16 , wherein a plurality of speed thresholds are defined.
18. The user equipment according to claim 16 , wherein the speed threshold is 200 km/h.