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.

Abstract: A method and device for channel state information reference resource. In one embodiment, a User Equipment (UE) is configured to report Channel State Information (CSI) to a base station. Furthermore, the UE measures reference signal on a symbol in a slot for reporting the CSI. In addition, the slot is determined based on transmission direction of frequency resource to be measured for the CSI.

Abstract: A method and device for channel state information reference resource under half duplex. In one embodiment, a User Equipment (UE) is configured to report Channel State Information (CSI) to a base station. Furthermore, the UE measures reference signal in a valid downlink slot for reporting the CSI wherein the valid downlink slot is a slot where UE does not perform Uplink (UL) transmission on symbols to be measured for the CSI. In addition, the UE reports CSI based on measurement in the valid downlink slot.

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: Methods, systems, and apparatuses are provided for a UE in a wireless communication system to make Bandwidth Part (BWP) operation for duplexing enhancement more efficient. The method can comprise operating in unpaired spectrum, receiving configuration of one or more Downlink (DL) BWPs and configuration of one or more Uplink (UL) BWPs, wherein an active DL BWP among the one or more DL BWPs and an active UL BWP among the one or more UL BWPs have different center frequencies if the UE is indicated that different center frequencies for active UL BWP and active DL BWP are allowed, and receiving DL reception within the active DL BWP and transmitting UL transmission within the active UL BWP.

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, systems, and apparatuses for multiple beam collision handling in a wireless communication system. A method for a User Equipment (UE) in a wireless communication system can comprise receiving indication of one or more first frequency resources associated with Uplink (UL) for a first beam and/or a first set of beams from a base station, determining whether to perform or cancel a first UL transmission based on the one or more first frequency resources when the first UL transmission is associated with the first beam and/or the first set of beams, and not determining whether to perform or cancel a second UL transmission based on the one or more first frequency resources when the second UL transmission is associated with a second beam and/or a second set of beams.

Abstract: A method and apparatus are disclosed, from the perspective of a UE, for transmitting UL RS. In one embodiment, the method includes deriving a first transmit power of a first UL RS based on a first power control mechanism, wherein derivation of the first transmit power based on the first power control mechanism is associated with an uplink data channel. In addition, the method includes deriving a second transmit power of a second UL RS based on a second power control mechanism, wherein derivation of the second transmit power based on the second power control mechanism is not associated with the uplink data channel. Furthermore, the method includes transmitting the first UL RS with the first transmit power. The method also includes transmitting the second UL RS with the second transmit power.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE) configured with uplink (UL) spatial multiplexing and UL skipping, the UE receives, from a base station, two UL grants for a Transmission Time Interval (TTI). The UE generates two Medium Access Control (MAC) Protocol Data Units (PDUs) for the TTI, wherein a first MAC PDU of the two MAC PDUs is able to accommodate all available data of the UE. The UE transmits the two MAC PDUs to the base station.

Abstract: A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), a configuration for monitoring downlink control information (DCI) indicative of a slot format may be received. In some examples, the configuration indicates the UE to monitor a first DCI in a first monitoring occasion associated with a slot and to monitor a second DCI in a second monitoring occasion. The first DCI is indicative of the slot format. Configured transmission and/or configured reception may be performed on one or more symbols when the first DCI is not received in the first monitoring occasion, the second DCI is received in the second monitoring occasion and the second DCI is indicative of the slot format for the slot. The one or more symbols are configured as flexible by a Radio Resource Control (RRC) configuration. The one or more symbols are in the slot.

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, 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: Methods, systems, and apparatuses are provided for transmission direction indication in a wireless communication system to improve indication efficiency in transmission direction for duplexing enhancement. A User Equipment (UE) in a wireless communication system comprises receiving indication(s) of which symbol duplex enhancement is applicable, performing UL transmission on a first Downlink (DL) symbol if/when duplex enhancement is applicable for the first DL symbol, and canceling Uplink (UL) transmission on a second DL symbol if/when duplex enhancement is not applicable for the second DL symbol.

Abstract: Methods, systems, and apparatuses are provided for slot format indication in a wireless communication system, providing improved efficiency of slot format and collision handling for duplexing enhancement. A User Equipment (UE) can receive indication of one or more first frequency resources from a base station, wherein the one or more first frequency resources are associated with a first transmission direction, and receive indication of, or deriving, one or more second frequency resources, wherein the one or more second frequency resources are associated with a second transmission direction.

Abstract: Methods and apparatuses for improving power consumption for an activated cell in a wireless communication system are disclosed herein. In one method, a user equipment (UE) receives a configuration of at least one bandwidth part for a cell. The UE performs a reception for the cell with a bandwidth associated with a first bandwidth part when a first bandwidth part of the cell is active. The UE does not perform the reception for the cell when a second bandwidth part of the cell is active.

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: 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 User Equipment (UE), the UE receives a Downlink Control Information (DCI) format from a base station. The UE applies a timing offset to information indicated by the DCI format.

Abstract: Methods, systems, and apparatuses are provided for listen-before-talk (LBT) mode for random access response (RAR) in a wireless communication system so that RAR indication of channel access type and cyclic prefix (CP) extension can be more efficient. A method of a User Equipment (UE) can comprise initiating a random access procedure, receiving a RAR, wherein the RAR comprises a channel access type indication, and determining whether to perform LBT for a Msg3 based on the channel access type indication in RAR.

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.