Method and terminal for confirming channel state information
A channel state information and terminal technology, applied in transmission path sub-channel allocation, wireless communication, signaling allocation, etc., can solve the problems of high cost and high terminal complexity, and achieve the effect of reasonable cost and reasonable complexity
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Example Embodiment
[0112] Example 1
[0113] If P=3 or 4, and y=2, 3 and 4, X takes the value y;
[0114] The number of CSIs to be reported is set to Y, and the number of aperiodic CSIs to be updated is Z=min(X, Y), where min represents the minimum of two values. The terminal updates Z aperiodic CSI.
[0115] When y is equal to 1, there is no limit of X.
[0116] Among them, y may currently be 1, 2, 3, and 4; P may be 1, 3, and 4.
[0117]In short, the CSI calculation method here fully considers the capability of the UE and the number of configured CSI Processes to determine the number of aperiodic CSI that needs to be updated. Reasonable restrictions are made on the amount of data CSI operations to ensure that the terminal has a reasonable complexity and a reasonable cost, and is especially suitable for time-division duplex systems.
Example Embodiment
[0118] Embodiment 2
[0119] If P=3, y=2 or 3, then X takes the value P;
[0120] If P=4, y=2 or 3, then X takes the value of min(P, 3); otherwise, when y=4, X takes the value of P;
[0121] The number of CSIs to be reported is set to Y, and the number of aperiodic CSIs to be updated is Z=min(X, Y), where min represents the minimum of two values. The terminal updates Z aperiodic CSI.
[0122] When y is equal to 1, there is no limit of X.
[0123] Among them, y may currently be 1, 2, 3, and 4; P may be 1, 3, and 4.
[0124] Terminal Embodiment
[0125] This embodiment provides a terminal for determining channel state information, such as figure 2 shown, including:
[0126] a receiving unit, configured to receive an aperiodic CSI request;
[0127] a determining unit, configured to determine the parameter X according to the capability of the terminal to process the CSI Process and / or the number y of the currently configured CSI Process;
[0128] an update unit, configure...
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