Data transmission method and related device
Determining, by user equipment, a measurement procedure and a type of fed-back channel state information CSI according to a type of a measurement process, where the type of the measurement process includes a definition of a signal measurement pilot and a definition of an interference measurement pilot, and different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI; and performing, by the user equipment, measurement and feedback according to the determined measurement procedure and/or the determined type of the fed-back CSI. The user equipment can determine different measurement processes and different types of fed-back channel state information CSI according to different types of measurement processes.
1. A data transmission method, comprising:
determining, by user equipment, a measurement process and a type of fed-back channel state information CSI according to a type of a measurement process, wherein the type of the measurement process comprises a definition of a signal measurement pilot and a definition of an interference measurement pilot, and different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI, wherein that different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI comprises:
one measurement process comprises M signal measurement pilots and K interference measurement pilots, wherein M is an integer greater than or equal to 1, K is an integer greater than 1, and the K interference measurement pilots use independent configurations of limitative measurement, the limitative measurement being configured to limit a moving average range of resources that are allowed to be measured,
wherein the independent configurations of the limitative measurement comprise at least one of the following:
independent enabling and disabling of the limitative measurement, independent configurations of start times of time windows of the limitative measurement, independent configurations of end times of time windows of the limitative measurement, independent configurations of time lengths of average windows of the limitative measurement, or independent configurations of signaling types of the limitative measurement; and
performing, by the user equipment, measurement and feedback according to the determined measurement procedure and/or the determined type of the fed-back CSI.
2. The method according to claim 1 , wherein the K interference measurement pilots are all non-zero power pilots or are all zero power pilots, or the K interference measurement pilots comprise a non-zero power pilot and a zero power pilot.
3. A data transmission method, comprising:
indicating, by a base station, a type of a measurement process to user equipment, wherein the type of the measurement process is used to enable the user equipment to determine, according to the type of the measurement process, a measurement procedure and a type of fed-back channel state information CSI, the type of the measurement process comprises a definition of a signal measurement pilot and a definition of an interference measurement pilot, and different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI, wherein that different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI comprises:
one measurement process comprises M signal measurement pilots and K interference measurement pilots, wherein M is an integer greater than or equal to 1, K is an integer greater than 1, and the K interference measurement pilots use independent configurations of limitative measurement, the limitative measurement being configured to limit a moving average range of resources that are allowed to be measured, and
the independent configurations of the limitative measurement comprise at least one of the following:
independent enabling and disabling of the limitative measurement, independent configurations of start times of time windows of the limitative measurement, independent configurations of end times of time windows of the limitative measurement, independent configurations of time lengths of average windows of the limitative measurement, or independent configurations of signaling types of the limitative measurement; and
receiving, by the base station, a feedback sent by the user equipment, wherein the feedback is generated by the user equipment according to the determined measurement procedure and/or fed-back CSI.
4. The method according to claim 3 , wherein the K interference measurement pilots are all non-zero power pilots or are all zero power pilots, or the K interference measurement pilots comprise a non-zero power pilot and a zero power pilot.
5. User equipment, comprising:
a processor, configured to determine a measurement procedure and a type of fed-back channel state information CSI according to a type of a measurement process, wherein the type of the measurement process comprises a definition of a signal measurement pilot and a definition of an interference measurement pilot, and different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI,
wherein the processor is further configured to determine that one measurement process comprises M signal measurement pilots and K interference measurement pilots, wherein M is an integer greater than or equal to 1, K is an integer greater than 1, and the K interference measurement pilots use independent configurations of limitative measurement, the limitative measurement being configured to limit a moving average range of resources that are allowed to be measured, and
the processor is further configured to determine that the independent configurations of the limitative measurement comprise at least one of the following:
independent enabling and disabling of the limitative measurement, independent configurations of start times of time windows of the limitative measurement, independent configurations of end times of time windows of the limitative measurement, independent configurations of time lengths of average windows of the limitative measurement, or independent configurations of signaling types of the limitative measurement; and
a transmitter, configured to perform measurement and feedback according to the determined measurement procedure and/or the determined type of the fed-back CSI.
6. The user equipment according to claim 5 , wherein the processor is further configured to determine that the K interference measurement pilots are all non-zero power pilots or are all zero power pilots, or the K interference measurement pilots comprise a non-zero power pilot and a zero power pilot.
7. A base station, comprising:
a transmitter, configured to indicate a type of a measurement process to user equipment, wherein the type of the measurement process is used to enable the user equipment to determine, according to the type of the measurement process, a measurement procedure and a type of fed-back channel state information CSI, the type of the measurement process comprises a definition of a signal measurement pilot and a definition of an interference measurement pilot, and different types of measurement processes correspond to different measurement procedures and/or different types of fed-back channel state information CSI,
the transmitter is further configured to indicate that one measurement process comprises M signal measurement pilots and K interference measurement pilots, wherein M is an integer greater than or equal to 1, K is an integer greater than 1, and the K interference measurement pilots use independent configurations of limitative measurement, the limitative measurement being configured to limit a moving average range of resources that are allowed to be measured,
the transmitter is further configured to indicate that the independent configurations of the limitative measurement comprise at least one of the following:
independent enabling and disabling of the limitative measurement, independent configurations of start times of time windows of the limitative measurement, independent configurations of end times of time windows of the limitative measurement, independent configurations of time lengths of average windows of the limitative measurement, or independent configurations of signaling types of the limitative measurement; and
a receiver, configured to receive a feedback sent by the user equipment, wherein the feedback is generated by the user equipment according to the determined measurement procedure and/or fed-back CSI.
8. The base station according to claim 7 , wherein the transmitter is further configured to indicate that the K interference measurement pilots are all non-zero power pilots or are all zero power pilots, or the K interference measurement pilots comprise a non-zero power pilot and a zero power pilot.