Abstract: Various solutions for extended reality (XR) enhancement in mobile communications are described. An apparatus establishes a communication with a network node of a wireless network. The apparatus performs an operation with respect to XR-related computation offloading from a user end to result in XR enhancement at the user end.

Abstract: Various solutions for physical uplink control channel (PUCCH) carrier switching for hybrid automatic repeat request (HARQ) feedback with respect to user equipment (UE) and network apparatus in mobile communications are described. An apparatus, such as a UE, may receive a physical downlink control channel (PDCCH) on a first component carrier (CC). The apparatus may receive a physical downlink shared channel (PDSCH) on the first CC scheduled by the PDCCH. The apparatus may determine a second CC to transmit a physical uplink control channel (PUCCH) according to a configuration for PUCCH carrier switching. The apparatus may determine a slot offset subsequent to the PDSCH reception according to a first numerology of the first CC or a second numerology of the second CC. The apparatus may transmit the PUCCH corresponding to the PDSCH on the second CC according to the slot offset.

Abstract: Various solutions for cross-carrier scheduling with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a physical downlink control channel (PDCCH) on a component carrier (CC) in a PUCCH cell group. The apparatus may receive downlink data on a physical downlink shared channel (PDSCH) on a CC in the PUCCH cell group scheduled by the PDCCH. The apparatus may receive a physical uplink control channel (PUCCH) carrier pattern semi-statically configured via a radio resource control (RRC) signal or dynamically configured via a downlink control information (DCI). The apparatus may transmit uplink control information (UCI) corresponding to the downlink data on a PUCCH on a CC according to the PUCCH carrier pattern.

Abstract: Various solutions for Ultra-Reliable Low-Latency Communication (URLLC) enhancement on unlicensed spectrum in mobile communications are described. An apparatus, implementable in a UE, obtains a UE-initiated channel occupancy time (COT). The apparatus then performs an uplink (UL) transmission to a network during the UE-initiated COT.

Abstract: Various solutions for signaling of user equipment (UE)-initiated channel occupancy time (COT) in mobile communications are described. An apparatus, implementable in or as a UE, receives an indication from a network node of a wireless network. The apparatus determines, based on the indication, whether the network node is using a network-initiated COT or sharing a UE-initiated COT.

Abstract: Various solutions for simultaneous physical uplink control channel (PUCCH) and physical uplink shared channel (PUSCH) transmissions in intra-band carrier aggregation (CA) in mobile communications are described. An apparatus, implementable in a UE, receives a signal from a network. The apparatus then performs simultaneous physical uplink control channel (PUCCH) and physical uplink shared channel (PUSCH) transmissions over different cells of the network responsive to receiving the signal.

Abstract: Various solutions for dynamic and static cross-carrier physical uplink control channel (PUCCH) signaling and configuration in mobile communications are described. An apparatus, implementable in a UE, selects a component carrier (CC) from a plurality of CCs with a static approach or a dynamic approach. The UE then performs a PUCCH transmission to a network using the selected CC.

Abstract: Various solutions for Ultra-Reliable Low-Latency Communication (URLLC) enhancement on unlicensed spectrum in mobile communications are described. An apparatus, implementable in a UE, determines grouping of a plurality of physical downlink shared channel (PDSCH) receptions scheduled by downlink control information (DCI) formats 1_1 and 1_2 in a same PDSCH group from a network node on a New Radio unlicensed spectrum (NR-U). The apparatus then performs the PDSCH receptions based on the determined grouping.

Abstract: Various solutions for cross-carrier hybrid automatic repeat request (HARQ) transmissions in wireless communications are described. An apparatus performs a HARQ initial transmission on a first component carrier (CC). The apparatus then performs a HARQ retransmission on a second CC different from the first CC.

Abstract: Various solutions for intra-user equipment (UE) prioritization in wireless communications are described. An apparatus (e.g., a UE) detects a scheduling of a high-priority transmission. The apparatus then determines whether the high-priority transmission overlaps with a low-priority transmission. In response to determining that the high-priority transmission overlaps with the low-priority transmission, the apparatus determines to ignore a scheduling of the low-priority transmission when a scheduling of the low-priority transmission is detected.

Abstract: Various solutions for user equipment power consumption enhancement for ultra-reliable low-latency communication (URLLC) services with respect to user equipment and network apparatus in mobile communications are described. An apparatus may determine a first physical downlink control channel (PDCCH) monitoring configuration and a second PDCCH monitoring configuration. The apparatus may use the first PDCCH monitoring configuration to perform PDCCH monitoring. The apparatus may determine whether a switch condition is triggered. The apparatus may switch to the second PDCCH monitoring configuration to perform the PDCCH monitoring in an event that the switch condition is triggered.

Abstract: Various solutions for PUCCH carrier switching and PUCCH repetition with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive downlink control information (DCI) on a physical downlink control channel (PDCCH) configuring a carrier switching indication and a PUCCH repetition indication. The apparatus may receive downlink data on a physical downlink shared channel (PDSCH). The apparatus may perform a PUCCH carrier switching or a PUCCH cell switching according to the carrier switching indication when transmitting uplink control information (UCI) corresponding to the downlink data. The apparatus may perform a PUCCH repetition by retransmitting the UCI according to the PUCCH repetition indication.

Abstract: Various solutions for physical downlink control channel (PDCCH) monitoring configuration for carrier aggregation (CA) with respect to user equipment and network apparatus in mobile communications are described. An apparatus may transmit a capability report to indicate a plurality of monitoring combinations of PDCCH monitoring capabilities to a network node. The apparatus may receive a monitoring combination configured by the network node based on the capability report. The apparatus may determine a monitoring budget by using the configured monitoring combination. The apparatus may perform a PDCCH monitoring according to the monitoring budget.

Abstract: Various solutions for physical downlink control channel (PDCCH) monitoring enhancement for carrier aggregation (CA) with respect to user equipment and network apparatus in mobile communications are described. An apparatus may transmit a capability report to indicate a supported PDCCH monitoring capability to a network node. The apparatus may receive a PDCCH monitoring configuration compliant with the supported PDCCH monitoring capability from the network node. The apparatus may determine a monitoring budget based on the PDCCH monitoring configuration and the supported PDCCH monitoring capability. The apparatus may perform a PDCCH monitoring according to the monitoring budget.

Abstract: Various solutions for PDCCH monitoring capability determination in CA scenario with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a configuration configuring a first set of cells using a first PDCCH monitoring capability and a second set of cells using a second PDCCH monitoring capability. The apparatus may determine a first monitoring budget corresponding to the first set of cells based on the first PDCCH monitoring capability and a second monitoring budget corresponding to the second set of cells based on the second PDCCH monitoring capability. The apparatus may perform a PDCCH monitoring according to the first monitoring budget and the second monitoring budget.

Abstract: An apparatus, implemented in a user equipment (UE), transmits a report of a per-span based capability of the UE to a network node of a wireless network. The apparatus also performs physical downlink control channel (PDCCH) monitoring using a configuration that satisfies a requirement for a gap separation with respect to spans for at least one candidate value set in the report in every slot including cross-slot boundaries.

Abstract: Various solutions for dynamic cross-carrier scheduling with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a physical downlink control channel (PDCCH) on a first component carrier (CC). The apparatus may receive a physical downlink shared channel (PDSCH) on the first CC scheduled by the PDCCH. The apparatus may determining a second CC to transmit a physical uplink control channel (PUCCH) according to a configuration of dynamic switching of CC. The apparatus may transmit the PUCCH corresponding to the PDSCH on the second CC scheduled by the PDCCH.

Abstract: An apparatus aborts a transmission of a first message of a first type of traffic in a first slot or sub-slot without resuming the transmission in the first slot or sub-slot. The apparatus then stores a payload of the first message. The apparatus later retransmits the payload in full in a second slot or sub-slot that is subsequent the first slot or sub-slot.

Abstract: Various solutions for processing timeline enhancement with respect to user equipment and network apparatus in mobile communications are described. An apparatus may determine a normal processing time. The apparatus may determine a specific processing time. The apparatus may use the normal processing time when performing an initial transmission. The apparatus may use the specific processing time when performing a retransmission.

Abstract: An apparatus aborts a transmission of a first message of a first type of traffic in a first slot or sub-slot without resuming the transmission in the first slot or sub-slot. The apparatus then stores a payload of the first message. The apparatus later retransmits the payload in full in a second slot or sub-slot that is subsequent the first slot or sub-slot.