Abstract: Various solutions for base station and user equipment (UE) channel occupancy time (COT) sharing in mobile communications are described. An apparatus, implementable in or as a UE, determines a channel occupancy time (COT) to rely on for an uplink (UL) transmission. The apparatus then performs the UL transmission to a network node of a wireless network during the COT, which is initiated by either the network node or the UE.

Abstract: Various solutions for Ultra-Reliable Low-Latency Communication (URLLC) Frame Based Equipment (FBE) user equipment (UE)-initiated channel occupancy time (COT) enhancement in mobile communications are described. An apparatus, implementable in a UE, receives a signal from a network and obtains a UE-initiated COT in an idle or connected mode responsive to receiving the signal. The apparatus then performs a transmission to the network in the UE-initiated COT.

Abstract: Various solutions for handling out-of-order uplink scheduling with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a first control signal scheduling a first uplink transmission. The apparatus may receive a second control signal scheduling a second uplink transmission. The apparatus may determine whether the second uplink transmission is scheduled earlier than the first uplink transmission. The apparatus may drop the first uplink transmission in an event that the second uplink transmission is scheduled earlier than the first uplink transmission.

Abstract: Various solutions for downlink control information (DCI) size alignment with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a configuration configuring a plurality of DCI formats. The apparatus may determine whether a number of DCI sizes of the DCI formats is greater than a DCI size budget. The apparatus may determine DCI sizes to monitor within the DCI size budget according to a DCI size alignment rule in an event that the number of DCI sizes is greater than the DCI size budget. The apparatus may monitor the DCI formats according to the determined DCI sizes.

Abstract: Various examples and schemes pertaining to enhancement of New Radio (NR) physical uplink shared channel (PUSCH) for ultra-reliable low-latency communication (URLLC) in mobile communications are described. An apparatus determines whether to apply a cyclic delay diversity (CDD) scheme for a PUSCH transmission. The apparatus performs the PUSCH transmission to a network node of a wireless network with the CDD scheme applied responsive to determining that the CDD scheme is to be applied. Optionally, the apparatus receives a signaling from the network node indicating information related to mini-slot repetition such that the apparatus performs the PUSCH transmission with at least one symbol repeated in multiple mini-slots within a slot. Optionally, the apparatus also performs a transport block size (TBS) calculation for the PUSCH transmission with an assumption of no demodulation reference signal (DMRS) in the TBS calculation.

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: Various solutions for bandwidth part (BWP) switch operations with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a first downlink control information (DCI) to activate a BWP switch. The apparatus may cancel an uplink transmission or a downlink reception during a time duration. The apparatus may perform the BWP switch within the time duration.

Abstract: Various solutions for frequency domain-resource allocation (FD-RA) when frequency hopping is enabled with respect to user equipment and network apparatus in mobile communications are described. An apparatus may determine whether frequency hopping is enabled. The apparatus may determine at least one of a first coarse step size corresponding to a start of an FD-RA and a second coarse step size corresponding to a length of the FD-RA in an event that the frequency hopping is enabled. The apparatus may determine allocated resources blocks (RBs) according to at least one of the first coarse step size and the second coarse step size. The apparatus may perform a transmission on the allocated RBs.

Abstract: Various solutions for reporting hybrid automatic repeat request-acknowledgement (HARQ-ACK) information for different service types with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive downlink control information (DCI). The apparatus may determine a service type according to the DCI. The apparatus may select a physical uplink control channel (PUCCH) resource according to the service type. The apparatus may transmit HARQ-ACK information in the PUCCH resource.

Abstract: Various solutions for determining a modulation and coding scheme (MCS) table with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive an indication from a network node. The apparatus may determine an MCS table from a plurality of MCS tables for a high-reliability service according to the indication. The apparatus may use the MCS table in a channel for the high-reliability service.

Abstract: Various solutions for enhancing time domain-resource allocation (TD-RA) framework with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive an indication of a reference point. The apparatus may determine a start symbol position according to the reference point rather than a slot boundary. The apparatus may determining a TD-RA according to the start symbol position. The apparatus may perform a transmission according to the TD-RA.

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: An apparatus receives, from a wireless network, a message and determines a hybrid automatic repeat request (HARQ) process identification (ID) associated with the message based on a HARQ process number signaled in the message and a HARQ offset. The apparatus also receives, from the wireless network, downlink control information (DCI) from the wireless network containing a counter downlink assignment index (DAI) or a total DAI in a 1-bit field of the DCI.

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: 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 downlink control information (DCI) size alignment with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a configuration configuring a plurality of DCI formats. The apparatus may determine whether a number of DCI sizes of the DCI formats is greater than a DCI size budget. The apparatus may determine DCI sizes to monitor within the DCI size budget according to a DCI size alignment rule in an event that the number of DCI sizes is greater than the DCI size budget. The apparatus may monitor the DCI formats according to the determined DCI sizes.

Abstract: Various solutions for handling out-of-order uplink scheduling with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a first control signal scheduling a first uplink transmission. The apparatus may receive a second control signal scheduling a second uplink transmission. The apparatus may determine whether the second uplink transmission is scheduled earlier than the first uplink transmission. The apparatus may drop the first uplink transmission in an event that the second uplink transmission is scheduled earlier than the first uplink transmission.

Abstract: Various solutions for processing timeline enhancement with respect to user equipment and network apparatus in mobile communications are described. An apparatus may determine whether a latency requirement of a service is less than a threshold value. The apparatus may use a first processing time capability to perform a transmission in an event that the latency requirement of the service is not less than the threshold value. The apparatus may use a second processing time capability to perform the transmission in an event that the latency requirement of the service is less than the threshold value. The apparatus may apply a scheduling restriction/optimization to perform the transmission when using the second processing time capability.