Methods, apparatuses and systems directed to enhanced control channel and shared channel transmissions at high frequencies
Methods, apparatuses and systems directed to enhanced control channel and shared channel transmissions at high frequencies are provided. Among the methods is a method that may include any of receiving downlink control information indicating a modulation and coding scheme (MCS), a time domain resource assignment, and a frequency domain resource assignment; obtaining a subcarrier spacing (SCS) and a cyclic prefix (CP) length based on the MCS; determining the time and frequency domain resource assignments based on the SCS and the CP length; and receiving a downlink transmission at time and frequency resources associated with the time and frequency domain resource assignments.
1 . An apparatus comprising:
circuitry, including any of a transmitter, receiver, processor and memory, configured to
receive information indicating an MCS threshold, a time threshold, a first subcarrier spacing (SCS), a first cyclic prefix (CP) length, a second SCS and a second CP length;
receive downlink control information including information indicating a modulation and coding scheme (MCS), a time domain resource assignment, and a frequency domain resource assignment, and a time offset;
determine the time and frequency domain resource assignments based on (i) the first SCS and the first CP length on condition that the MCS satisfies the MCS threshold and the time offset satisfies the time threshold, or (ii) the second SCS and the second CP length based on any of the MCS failing to satisfy the MCS threshold and the time offset failing to satisfy the time threshold; and
receive a downlink transmission at time and frequency resources associated with the time and frequency domain resource assignments.
2 . The apparatus of claim 1 , wherein the MCS is a higher order MCS.
3 . The apparatus of claim 1 , wherein the circuitry is configured to receive information indicating a value for the MCS threshold.
4 . The apparatus of claim 1 , wherein the time and frequency resources are within a slot supporting a plurality of numerologies.
5 . The apparatus of claim 1 , wherein the downlink control information is received at time and frequency resources associated with the second SCS and the second CP length.
6 . A method implemented in a wireless transmit receive unit (WTRU), the method comprising:
receiving information indicating an MCS threshold, a time threshold, a first subcarrier spacing (SCS), a first cyclic prefix (CP) length, a second SCS and a second CP length;
receiving downlink control information including information indicating a modulation and coding scheme (MCS), a time domain resource assignment, and a frequency domain resource assignment, and a time offset;
determining the time and frequency domain resource assignments based on (i) the first SCS and the first CP length on condition that the MCS satisfies the MCS threshold and the time offset satisfies the time threshold, or (ii) the second SCS and the second CP length based on any of the MCS failing to satisfy the MCS threshold and the time offset failing to satisfy the time threshold; and
receiving a downlink transmission at time and frequency resources associated with the time and frequency domain resource assignments.
7 . The method of claim 6 , wherein the MCS is a higher order MCS.
8 . The method of claim 6 , comprising receiving information indicating a value for the MCS threshold.
9 . The method of claim 6 , wherein the time and frequency resources are within a slot supporting a plurality of numerologies.
10 . The method of claim 6 , wherein the downlink control information is received at time and frequency resources associated with the second SCS and the second CP length.