Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE may receive a configured grant. The UE may receive a Random Access Response (RAR) grant, wherein a first Physical Uplink Shared Channel (PUSCH) of the RAR grant overlaps with a second PUSCH of the configured grant. The UE may transmit the second PUSCH based upon the configured grant.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives an indication from a base station, wherein the indication is indicative of monitoring a power saving signal in one or more monitoring occasions and at least one monitoring occasion of the one or more monitoring occasions is associated with a Discontinuous Reception (DRX) ON duration and is within Active Time associated with the UE. The UE does not monitor and/or skips monitoring the power saving signal in the at least one monitoring occasion. The UE monitors Physical Downlink Control Channel (PDCCH) during the DRX ON duration.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a user equipment (UE), a Physical Downlink Control Channel (PDCCH) is monitored with a first pattern during an active time of the UE if a first timer is running. The PDCCH is monitored with a second pattern during the active time of the UE if a second timer is running and/or if the UE is associated with the active time due to a first cause (e.g., the UE is in the active time due to the first cause).

Abstract: Methods and apparatuses for downlink data buffering considering cross carrier scheduling in a wireless communication system. The UE receives configuration of a first serving cell and a second serving cell from a network and receives and/or monitors a first PDCCH transmitted on the second serving cell, wherein the first PDCCH schedules a first PDSCH. The UE receives and/or monitors a second PDCCH transmitted on the second serving cell, receives and/or buffers the second PDSCH based on a first TCI state used for PDCCH quasi co-location indication of a CORESET, and receives and/or buffers the first PDSCH based on a second TCI state.

Abstract: A method and apparatus are disclosed from the perspective of a network. In one embodiment, the method includes the network configuring a first serving cell and a second serving cell to a UE, wherein a first PDCCH scheduling a first PDSCH on the first serving cell and a second PDCCH scheduling a second PDSCH on the second serving cell are transmitted via a CORESET of the second serving cell. The method further includes the network not configuring a CORESET configuration for the first serving cell. Furthermore, the method includes the network indicating the UE to receive and/or monitor the first PDCCH based on CORESET configuration of the second serving cell.

Abstract: A method and apparatus for beam detection in a wireless communication system. In one embodiment, the method includes the UE initiating a RA procedure. The method also includes the UE transmitting multiple RA preambles to a base station of the cell at different occasions for the base station to determine a beam set of the UE. The method further includes the UE starts monitoring a PDCCH for RA response reception from the base station after finishing transmissions of the multiple RA preambles.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives an indication from a base station, wherein the indication is indicative of monitoring a power saving signal in one or more monitoring occasions and at least one monitoring occasion of the one or more monitoring occasions is associated with a Discontinuous Reception (DRX) ON duration and is within Active Time associated with the UE. The UE does not monitor and/or skips monitoring the power saving signal in the at least one monitoring occasion. The UE monitors Physical Downlink Control Channel (PDCCH) during the DRX ON duration.

Abstract: Methods and apparatuses for providing control resource set configuration in a wireless communication system are disclosed herein. In one method, a network node transmits a signal indicating at least a first duration and a bit map, wherein the first duration is time duration of a control resource set (CORESET) and the bit map indicates first symbol(s) of monitoring occasion(s) of the CORESET within a slot, and wherein a set of bit position indicates value one in the bit map. The network node is not allowed to transmit the signal such that an interval between two bit positions in the set in the bit map is smaller than a second duration.

Abstract: A method and apparatus for implementing reference signal transmissions in a wireless communication system. In one embodiment, the method includes the cell, transmission point (TP), or transmission and reception point (TRP) broadcasting a first RS periodically for measurement, wherein the first RS is transmitted at multiple occasions (or timings) in each period on different beams. The method also includes the cell, TP, or TRP transmitting a second RS to a UE for PDCCH demodulation, wherein the second RS is transmitted on multiple beams in a beam set of the UE in a subframe (or symbol) in which the PDCCH is transmitted.

Abstract: Methods and apparatuses are provided for channel access switching in a wireless communication system, with or without Listen-Before-Talk (LBT), and/or with different types of efficiently operated LBT. A device, including a User Equipment (UE) or a base station, can determine whether and/or how to perform LBT for a transmission based on a property of the transmission. The property could be a resource allocation for the transmission. The property could be a way to allocate resources for the transmission. The property could be a length or size of resource allocated for the transmission. The property could be an amount of resources allocated for the transmission. The resource allocation could be a time domain resource allocation and/or a frequency domain resource allocation.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a base station, the UE performs a first transmission without Listen Before Talk (LBT), wherein the first transmission is a Synchronization Signal Block (SSB) transmission. The UE performs LBT for a second transmission for a signal other than SSB.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE performs a first transmission without Listen Before Talk (LBT), wherein the first transmission is a preamble transmission. The UE performs LBT for a second transmission for a signal other than preamble.

Abstract: Methods and apparatuses for determining numerology bandwidth in a wireless communication system are disclosed herein. In one method, a user equipment receives information for a numerology. The information comprises a frequency location and a bandwidth. The UE derives a resource allocation for the numerology based on the frequency location and the bandwidth.

Abstract: Control structures and techniques for transmission time interval (TTI) shortening in wireless communication systems are provided. Exemplary techniques can comprise establishing a UE device connection to a base station having a first TTI, wherein the UE device is configured to employ TTI shortening and has a second TTI different from the first TTI and monitoring a first short physical downlink control channel (PDCCH) region for a scheduled downlink (DL) transmission via the second TTI, wherein a time distribution associated with multiple second TTIs within the first TTI is determined based on a control format indicator (CFI) value indicated via the first TTI.

Abstract: A method and apparatus are disclosed from the perspective of a User Equipment (UE). In one embodiment, the method includes the UE receiving from a base station a first information indicating multiple sets of transmission occasions for a signal. The method also includes the UE receiving from the base station a second information indicating an association between a transmission occasion of the signal and a base station beam.

Abstract: A method and apparatus are disclosed from the perspective of a UE. In one embodiment, the method includes the UE receiving a configuration of functionality of PRB bundling from a base station. The method also includes the UE receiving an indication from the base station regarding whether the functionality of PRB bundling is applied to a TTI or not.

Abstract: Control structures and techniques for transmission time interval (TTI) shortening in wireless communication systems are provided. Exemplary techniques can comprise establishing a UE device connection to a base station having a first TTI, wherein the UE device is configured to employ TTI shortening and has a second TTI different from the first TTI and monitoring a first short physical downlink control channel (PDCCH) region for a scheduled downlink (DL) transmission via the second TTI, wherein a time distribution associated with multiple second TTIs within the first TTI is determined based on a control format indicator (CFI) value indicated via the first TTI.

Abstract: A method and apparatus are disclosed, from the perspective of the UE, for reporting channel state information (CSI). In one embodiment, the method includes a UE being configured with at least two CSI-RS (Channel State Information-Reference Signal) resources. In addition, the method includes the UE performing measurements on the at least two CSI-RS resources. The method also includes the UE generating multiple CSIs according to measurements on the at least two CSI-RS resources, wherein at least one CSI corresponds to measurements on more than one CSI-RS resource. The method further includes the UE reporting at least one of the generated CSIs.

Abstract: A method and apparatus are disclosed from the perspective of a User Equipment (UE). In one embodiment, the method includes the UE receiving a configuration of a bandwidth part from a base station. The method also includes the UE deriving a subset of frequency resources within the bandwidth part. The method further includes the UE receiving an indication of a resource allocation for a transmission within the subset of frequency resources.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a base station, the base station transmits a configuration of a bandwidth part to a User Equipment (UE). The base station determines a subset of frequency resources within the bandwidth part. The base station transmits, to the UE, an indication of one or more allocated resources, within the subset of frequency resources, for a transmission. The base station does not enable interleaved mapping for the transmission.