Method and apparatus for transmitting uplink control information (UCI)
View Patent ↗Disclosed in the present invention are a method and apparatus for transmitting uplink control information (UCI), solving the problem of UCI transmission in a short transmission time interval (TTI). The method comprises: a terminal determining a short transmission time interval (TTI) position and/or a short uplink channel for transmitting UCI; and the terminal transmitting the UCI on the determined short-TTI position and/or the short uplink channel, thereby providing a solution for transmitting periodic UCI in a short-TTI, and thus ensuring that the periodic UCI may be normally transmitted in the short-TTI.
1. A method for transmitting Uplink Control Information (UCI), the method comprising:
determining, by a User Equipment (UE), a short-Transmission Time Interval (TTI) position and/or a short uplink channel for transmitting UCI; and
transmitting, by the UE, the UCI in the determined short-TTI position and/or the determined short uplink channel;
wherein determining, by the UE, the short-TTI position and/or the short uplink channel for transmitting UCI comprises:
receiving, by the UE, second configuration information, wherein the second configuration information indicates a periodicity and an offset of a feedback short-TTI position for transmitting UCI, or indicates a periodicity of a feedback short-TTI position for transmitting UCI, and the periodicity and/or the offset are/is in the unit of a length of a short TTI, and determining, by the UE, the feedback short-TTI position according to the second configuration information; and
transmitting, by the UE, the UCI in the determined short-TTI position and/or the determined short uplink channel comprises: transmitting, by the UE, the UCI in the feedback short-TTI position;
wherein the UCI comprises at least one of Scheduling Request (SR) or Periodic Channel State Information (P-CSI).
2. The method according to claim 1 , wherein transmitting, by the UE, the UCI in the feedback short-TTI position comprises:
transmitting, by the UE, the UCI in a sPUCCH or a sPUSCH in the feedback short-TTI position.
3. The method according to claim 2 , wherein transmitting, by the UE, the UCI in the sPUCCH or the sPUSCH in the feedback short-TTI position comprises:
when the UE supports simultaneous transmission of the sPUCCH and the sPUSCH, or there is no sPUSCH in the feedback short-TTI position, then transmitting, by the UE, the UCI in the sPUCCH in the feedback short-TTI position; or
when the UE does not support simultaneous transmission of the sPUCCH and the sPUSCH, and there is a sPUSCH in the feedback short-TTI position, then transmitting, by the UE, the UCI in the sPUSCH in the feedback short-TTI position.
4. A method for receiving Uplink Control Information (UCI), the method comprising:
determining, by a base station, a short-Transmission Time Interval (TTI) position and/or a short uplink channel for transmitting UCI; and
receiving, by the base station, the UCI in the determined short-TTI position and/or the determined short uplink channel;
wherein determining, by the base station, the short-TTI position and/or the short uplink channel for transmitting UCI comprises:
determining, by the base station, that the UCI is transmitted in a feedback short-TTI position; and
after the base station determines the short-TTI position and/or the short uplink channel for transmitting UCI, the method further comprises: transmitting, by the base station, second configuration information to a UE, wherein the second configuration information indicates a periodicity and an offset of the feedback short-TTI position for transmitting UCI, or indicates a periodicity of a feedback short-TTI position for transmitting UCI, and the periodicity and/or the offset are/is in the unit of a length of a short TTI to a UE;
wherein the UCI comprises at least one of Scheduling Request (SR) or Periodic Channel State Information (P-CSI).
5. The method according to claim 4 , wherein receiving, by the base station, the UCI in the determined short-TTI position and/or the determined short uplink channel comprises:
receiving, by the base station, the UCI in a sPUCCH or a sPUSCH in the feedback short-TTI position.
6. The method according to claim 5 , wherein receiving, by the base station, the UCI in the sPUCCH or the sPUSCH at the feedback short-TTI position comprises:
when the UE supports simultaneous transmission of the sPUCCH and the sPUSCH, or there is no sPUSCH in the feedback short-TTI position, then receiving, by the base station, the UCI in the sPUCCH in the feedback short-TTI position; or
when the UE does not support simultaneous transmission of the sPUCCH and the sPUSCH, and there is a sPUSCH in the feedback short-TTI position, then receiving, by the base station, the UCI in the sPUSCH in the feedback short-TTI position.
7. A User Equipment (UE) comprising at least one processor and a memory; wherein the memory is configured to store readable program codes, and the at least one processor is configured to execute the readable program codes to:
determine a short-Transmission Time Interval (TTI) position and/or a short uplink channel for transmitting Uplink Control Information (UCI); and
transmit the UCI in the determined short-TTI position and/or the determined short uplink channel;
wherein the at least one processor is configured to execute the readable program codes to:
receive second configuration information, wherein the second configuration information indicates a periodicity and an offset of a feedback short-TTI position for transmitting UCI, or indicates a periodicity of a feedback short-TTI position for transmitting UCI, and the periodicity and/or the offset are/is in the unit of a length of a short TTI, and determine the feedback short-TTI position according to the second configuration information; and
transmit the UCI in the feedback short-TTI position;
wherein the UCI comprises at least one of Scheduling Request (SR) or Periodic Channel State Information (P-CSI).
8. The UE according to claim 7 , wherein the at least one processor is configured to execute the readable program codes:
to transmit the UCI in a sPUCCH or a sPUSCH in the feedback short-TTI position; or
when the UE supports simultaneous transmission of the sPUCCH and the sPUSCH, or there is no sPUSCH in the feedback short-TTI position, to transmit the UCI in the sPUCCH in the feedback short-TTI position; or
when the UE does not support simultaneous transmission of the sPUCCH and the sPUSCH, and there is a sPUSCH in the feedback short-TTI position, to transmit the UCI in the sPUSCH in the feedback short-TTI position.
9. A base station, comprising at least one processor and a memory; wherein the memory is configured to store readable program codes, and the at least one processor is configured to execute the readable program codes to:
determine a short-Transmission Time Interval (TTI) position and/or a short uplink channel for transmitting UCI; and
receive the UCI in the determined short-TTI position and/or the determined short uplink channel;
wherein the at least one processor is configured to execute the readable program codes:
to determine that the UCI is transmitted in a feedback short-TTI position; and
to transmit second configuration information to a UE, wherein the second configuration information indicates a periodicity and an offset of the feedback short-TTI position for transmitting UCI, or indicates a periodicity of a feedback short-TTI position for transmitting UCI, and the periodicity and/or the offset are/is in the unit of a length of a short TTI;
wherein the UCI comprises at least one of Scheduling Request (SR) or Periodic Channel State Information (P-CSI).
10. The base station according to claim 9 , wherein the at least one processor is configured to execute the readable program codes:
to receive the UCI in a sPUCCH or a sPUSCH in the feedback short-TTI position; or
when the UE supports simultaneous transmission of the sPUCCH and the sPUSCH, or there is no sPUSCH in the feedback short-TTI position, to receive the UCI in the sPUCCH in the feedback short-TTI position;
or
when the UE does not support simultaneous transmission of the sPUCCH and the sPUSCH, and there is a sPUSCH in the feedback short-TTI position, to receive the UCI in the sPUSCH in the feedback short-TTI position.