Scheduling request resource configuration
In wireless communication, an improved change of a schedule request (“SR”) resource configuration is provided. The SR resource configuration may be transmitted from a basestation to user equipment (“UE”) and may include a parameter for the configuring of one or more SRs. A validity of the SR resource configuration is determined based on predefined information or high layer signaling.
1 . A method performed by user equipment (“UE”) in a wireless network, the method comprising:
receiving from a basestation in the wireless network, a signal including a scheduling request (“SR”) resource configuration, wherein the SR resource configuration is associated with a configured grant (“CG”) configuration; and
determining a validity of the SR resource configuration based on predefined condition, wherein the predefined condition is satisfied when a CG related to the SR resource configuration is activated and an activation downlink control information (“DCI”) which activates a SR is received.
2 . The method of claim 1 , further comprising:
transmitting one or more SRs based on the validity determination of the SR resource configuration.
3 . The method of claim 2 , wherein a number of the transmitted SRs during a first type of duration does not exceed a threshold value.
4 . The method of claim 1 , wherein the SR resource configuration is associated with at least one of a discontinuous reception (“DRX”) parameter, a traffic parameter, a time division duplex (“TDD”) pattern, a configured grant (“CG”) configuration, a physical downlink control channel (“PDCCH”) skipping duration, a search space set configuration, a UE capability, UE assistance information, SR group identification, a group identification, a CSI-RS resource parameter, a CSI report parameter, a SRS resource parameter, a change pattern, a SR parameter, SR-ProhibitTimer, or SR-TransMax.
5 . The method of claim 4 , wherein the SR resource configuration is associated with one or more SR group identification (“ID”) and the SR group ID indicates which SR group the SR resource configuration belongs to, further wherein multiple SR resource configurations are associated with a SR group ID or a SR group ID is associated with no SR resource configurations.
6 . The method of claim 4 , wherein the SR resource configuration is associated with one or more set of SR parameters that comprise at least one of a periodicity or an offset, or one or more set of CSI-RS resource parameters, or one or more set of SRS resource parameters, or one or more set of CSI report parameters, or one or more set of CG configuration.
7 . The method of claim 4 , wherein the SR resource configuration is associated with a change pattern, wherein the change pattern includes a timer and an adjustment value, wherein a parameter in the SR resource configuration is changed according to the adjustment value if the timer expire and the timer will be re-triggered when the parameter in the SR resource configuration is changed.
8 . The method of claim 1 , wherein the predefined information comprises at least one of a layer one (“L1”) signaling, a UE assistance information, a UE capability, a physical uplink control channel (“PUCCH”) format, a timer, a discontinuous reception (“DRX”) parameter, a DRX active time, a DRX duration timer, a DRX inactivity timer, a physical downlink control channel (“PDCCH”) monitoring behavior, a predetermined value, a predetermined condition, a predetermined pattern, a traffic parameter, a schedule request (“SR”), a buffer status report (“BSR”), or a UL transmit pattern.
9 . The method of claim 8 , wherein the predefined information comprises a UL transmit pattern which includes an UL transmit window, wherein a first SR group is used during the UL transmit window and a second SR group is used outside the UL transmit window.
10 . The method of claim 1 , wherein the predefined information comprises downlink control information (“DCI”).
11 . The method of claim 10 , wherein the DCI indicates an indication information at least one of a SR group identification (“ID”), a group identification, a trigger flag, a parameter set change indication, a SR configuration parameter change indication, a SR-ProhibitTimer change indication, a SR-TransMax change indication, an adjustment value, or an adjustment value index.
12 . The method of claim 11 , wherein the indication is in a field and an existence of the field is associated with at least one of a downlink control information (“DCI”), a Radio Network Temporary Identifier (“RNTI”), a high layer signaling, a UE capability, a frequency range (“FR”) type, or a sub-carrier space (“SCS”).
13 . The method of claim 11 , wherein a radio resource control (“RRC”) signaling indicates at least one of a location of indication information carried by the DCI for the UE, a start point of the indication information, or a bitmap, wherein each one or more bit in the bitmap indicates the indication information for a serving cell group.
14 . The method of claim 11 , wherein the indication is associated with at least one of a physical downlink control channel (“PDCCH”) skipping indication, a search space set group (“SSSG”) switching indication, a configured grant (“CG”) activation indication, a CG deactivation indication, a semi-persistent scheduling (“SPS”) activation indication, a SPS deactivation indication, a secondary cell (“SCell”) dormancy indication, or a cross slot scheduling indication.
15 . The method of claim 1 , wherein the SR resource is valid after an application delay, wherein the application delay is associated with at least one of a sub-carrier space (“SCS”), a physical uplink shared channel (“PUSCH”) preparation procedure time, a minimum scheduling offset, an application delay for cross slot scheduling, an application delay for SSSG switching, and application delay for PDCCH skipping, a physical downlink shared channel (“PDSCH”) decoding procedure time, a UE capability, or a predetermined value.
16 . The method of claim 1 , wherein the determining the validity is in response to an enable condition, wherein the enable condition is associated with at least one of a radio resource control (“RRC”) signaling, a medium access control control element (“MAC CE”) signaling, a layer one (“L1”) signaling, a discontinuous reception (“DRX”) active time, physical downlink control channel (“PDCCH”) monitoring behavior, a UE capability, or DRX configuration.
17 . The method of claim 1 , further comprising:
receiving a high layer signaling including a second enable information which is used to control SR triggering when a configured uplink grant of type1 or type2 is configured, wherein the second enable information is configured per UE or per bandwidth part (“BWP”).
18 . A method performed by a base station in a wireless network, the method comprising:
transmitting, to a user equipment (“UE”), a signal including a scheduling request (“SR”) resource configuration, wherein the SR resource configuration is associated with a configured grant (“CG”) configuration; and
determining a validity of the SR resource configuration based on predefined condition, wherein the predefined condition is satisfied when a CG related to the SR resource configuration is activated and an activation downlink control information (“DCI”) which activates a SR is received.
19 . A wireless communications apparatus comprising:
a memory operable to store computer-readable instructions; and
a processor circuitry operable to read the computer-readable instructions, the processor circuitry when executing the computer-readable instructions is configured to:
receive from a basestation in a wireless network, a signal including a scheduling request (“SR”) resource configuration, wherein the SR resource configuration is associated with a configured grant (“CG”) configuration; and
determine a validity of the SR resource configuration based on predefined condition, wherein the predefined condition is satisfied when a CG related to the SR resource configuration is activated and an activation downlink control information (“DCI”) which activates a SR is received.