Method and apparatus for performing uplink transmission of channel state information and configured grant in mobile wireless communication system
View Patent ↗A method and apparatus for enhanced discontinuous transmission is provided. Method for discontinuous transmission includes determining a method for determining the first subframe of the first period, determining a first period based on the determined method, transmitting a first set of uplink signals during the first period, determining a second period based on a specific event occurred in a first period and transmitting a second set of uplink signals during the second period.
1 . A method by a terminal, the method comprising:
receiving, by the terminal from a base station, a first radio resource control (RRC) message, wherein the first RRC message comprises:
a first set of parameters related to uplink transmission; and
a second set of parameters related to uplink transmission; and
performing, by the terminal and based on the first set of parameters and the second set of parameters, uplink transmission for a specific set of uplink signals,
wherein, during a first period, the terminal:
performs uplink transmission of Channel State Information (CSI); and
performs uplink transmission of configured grant based Physical Uplink Shared Channel (PUSCH),
wherein, during a second period, the terminal:
does not perform uplink transmission of CSI; and
does not perform uplink transmission of configured grant based PUSCH,
wherein, during a third period, the terminal:
does not perform uplink transmission of CSI; and
performs uplink transmission of configured grant based PUSCH, wherein the first period is a period while a first timer is running, wherein the first timer starts based on the first set of parameters, wherein the second period is a period that occurs periodically based on the second set of parameters, and
wherein the third period is a period that is neither the first period nor the second period; and
wherein the first set of parameters comprises: a parameter indicating a length of the first timer; and a parameter indicating a cycle of the first period.
2 . The method of claim 1 ,
wherein the second set of parameters comprises:
a parameter indicating a length of the second period; and
a parameter indicating a cycle of the second period.
3 . The method of claim 1 ,
wherein a subframe for starting the first timer is determined based on a first counter and a second counter in case that the first set of parameters comprises a parameter indicating a non-integer cycle.
4 . The method of claim 1 ,
wherein a subframe for starting the first timer is determined based on a first counter and not based on a second counter in case that the first set of parameters does not comprise a parameter indicating a non-integer cycle.
5 . The method of claim 3 ,
wherein the first counter increments by one every radio frame.
6 . The method of claim 3 ,
wherein the second counter increments by one every 1024 radio frames.
7 . The method of claim 3 ,
wherein the first counter is initialized based on a system frame number (SFN) indicated in system information.
8 . The method of claim 3 ,
wherein the second counter is initialized based on a specific integer that is determined based on a parameter comprised in the first set of parameters.
9 . The method of claim 1 ,
wherein, during the first period and the second period, the terminal performs uplink transmission of Hybrid Automatic Retransmission request (HARQ) feedback, and
wherein, during the second period, the terminal does not perform uplink transmission of HARQ feedback.
10 . The method of claim 1 ,
wherein, during the first period, the terminal:
performs periodic uplink transmission of Sounding Reference Signal (SRS); and
performs aperiodic uplink transmission of SRS,
wherein, during the second period, the terminal:
does not perform periodic uplink transmission of SRS; and
does not perform aperiodic uplink transmission of SRS, and
wherein, during the third period, the terminal:
does not perform periodic uplink transmission of SRS; and
performs aperiodic uplink transmission of SRS.
11 . The method of claim 1 ,
wherein, during the first period, the terminal performs uplink transmission of dynamic grant based PUSCH, and
wherein, during the second period, the terminal does not perform uplink transmission of dynamic grant based PUSCH.
12 . The method of claim 1 ,
wherein the first RRC message further comprises one or more sets of parameters related to configured grant.
13 . The method of claim 12 ,
wherein the one or more sets of parameters related to configured grant is specific to an uplink bandwidth part.
14 . The method of claim 10 ,
wherein a set of configuration parameters for CSI is comprised in the first RRC message.
15 . The method of claim 14 ,
wherein the set of configuration parameters for CSI comprises a parameter indicating whether CSI is periodic CSI, semi-persistent CSI, or aperiodic CSI.
16 . The method of claim 15 ,
wherein, in case of periodic CSI, the set of configuration parameters for CSI further comprises:
a parameter indicating Physical Uplink Control Channel (PUCCH) resource for CSI; and
a parameter indicating a time pattern of CSI reporting.
17 . The method of claim 11 ,
wherein a set of configuration parameters for Sounding Reference Signal (SRS) is comprised in the first RRC message.
18 . The method of claim 17 ,
wherein the set of configuration parameters for SRS comprises a parameter indicating whether SRS is periodic SRS, semi-persistent SRS, or aperiodic SRS.
19 . A terminal comprising:
a transceiver,
a memory, and a controller coupled to the transceiver and the memory, wherein the controller is configured to cause the terminal to:
receive, from a base station, a first radio resource control (RRC) message, wherein the first RRC message comprises:
a first set of parameters related to uplink transmission; and
a second set of parameters related to uplink transmission; and
perform, based on the first set of parameters and the second set of parameters, uplink transmission for a specific set of uplink signals,
wherein, during a first period, the terminal:
performs uplink transmission of Channel State Information (CSI); and
performs uplink transmission of configured grant based Physical Uplink Shared Channel (PUSCH), wherein, during a second period, the terminal:
does not perform uplink transmission of CSI; and
does not perform uplink transmission of configured grant based PUSCH,
wherein, during a third period, the terminal:
does not perform uplink transmission of CSI; and
performs uplink transmission of configured grant based PUSCH, wherein the first period is a period while a first timer is running, wherein the first timer starts based on the first set of parameters, wherein the second period is a period that occurs periodically based on the second set of parameters, and
wherein the third period is a period that is neither the first period nor the second period;
wherein the first set of parameters comprises: a parameter indicating a length of the first timer; and a parameter indicating a cycle of the first period.