Abstract: A method and apparatus are disclosed from the perspective of a network. In one embodiment, the method includes the network configuring a UE (User Equipment) with a plurality of DL (Downlink) BWPs (Bandwidth Parts) of a serving cell, wherein the plurality of DL BWPs comprises a first DL BWP with a first SCS (Sub-Carrier Spacing) and a second DL BWP with a second SCS, wherein the second SCS is different from the first SCS. The method further includes the network configuring the UE with a first monitoring occasion for indicating slot format indication (SFI) in the first DL BWP by indicating a first slot offset and a first slot periodicity.

Abstract: A method and apparatus are disclosed from the perspective of an User Equipment (UE). In one embodiment, the method includes the UE deriving a first pathloss value from a first pathloss reference of a serving cell, wherein the first pathloss value is used for deriving a power headroom value included in a first power headroom report. The method also includes the UE deriving a second pathloss value from a second pathloss reference of the serving cell after deriving the first pathloss value, wherein the second pathloss reference is used for power control for a first Physical Uplink Shared Channel (PUSCH) transmission on the serving cell. The method further includes the UE deriving the pathloss change based on the first pathloss value and the second pathloss value. In addition, the method includes the UE determining whether a second power headroom report is triggered based on whether the pathloss change is more than a threshold.

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: A method and apparatus are disclosed. In an example, a User Equipment (UE) is configured with a size associated with downlink control information (DCI) corresponding to one or more preemption indications. In some examples, the size is equal to a first value that is not a multiple of a defined value. Alternatively and/or additionally, the UE is configured with a starting position of a field associated with the DCI. The starting position is equal to a second value that is a multiple of the defined value. Alternatively and/or additionally, a first DCI comprising a first preemption indication is transmitted to the UE based upon the size and/or the starting position.

Abstract: Methods and apparatuses for downlink data buffering considering cross carrier scheduling in a wireless communication system are disclosed herein. In one method, the UE receives configuration of a first serving cell and a second serving cell from a network. The UE receives and/or monitors a first PDCCH transmitted on a scheduling CORESET of the second serving cell, wherein the first PDCCH schedules a first PDSCH transmitted on the first serving cell. The UE receives and/or monitors a second PDCCH transmitted on a scheduling CORESET of the second serving cell, wherein the second PDCCH schedules a second PDSCH transmitted on the second serving cell. The UE receives and/or buffers the second PDSCH via a TCI state used for PDCCH quasi co-location indication of the CORESET with the lowest CORESET-ID in the latest slot in which one or more CORESETs are configured for the UE, before the UE decodes successfully the second PDCCH.

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 are disclosed from the perspective of a UE. In one embodiment, the method includes transmitting a power related information corresponding to a specific UE beam and/or a specific UE beam combination of multiple UE beams to a base station. In one embodiment, the method further includes receiving an indication from the base station about the power related information of which UE beam and/or UE beam combination is to be reported.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment) and/or a base station. In one embodiment, the method includes the base station configuring the UE with a first serving cell and a second serving cell. The method also includes the base station configuring the UE with a periodicity for monitoring a downlink control signal in the first serving cell, wherein the base station is not allowed to configure the UE such that the periodicity includes a non-integer number of symbol(s) of the second serving cell, and wherein the downlink control signal includes a pre-emption indication (PI) for the second serving cell.

Abstract: A method and apparatus are disclosed from the perspective of a UE capable of performing UE beamforming. In one embodiment, the method includes the UE receiving a control signaling on a first set of UE beam(s). In addition, the method includes the UE receiving a data transmission scheduled by the control signaling on a second set of UE beam(s), wherein the UE receives the data transmission with a time delay after receiving the control signaling.

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 are disclosed from the perspective of a User Equipment (UE). In one embodiment, the method includes the UE receiving a first control information which schedules a transmission of a first data transmission with data transmission period of a first time interval. The method also includes the UE receiving a second control information which schedules a transmission of a second data transmission with data transmission period of a second time interval, wherein the first data transmission and the second data transmission does not overlap in time domain. The method further includes the UE performing a processing to the first data transmission according to the first control information, and the UE does not perform the processing to the second data transmission according to the second control information.

Abstract: Facilitation detection of control channels with different transmission time intervals (TTIs) in wireless communications systems is described herein. In one example, a computer-implemented method comprises: monitoring, by a mobile device comprising a processor, a first control channel in the beginning of a first TTI; and receiving, by the mobile device, a first downlink control information (DCI) on the first control channel in the first TTI, wherein information of the first DCI indicates a pattern of a second TTI associated with a second control channel, and wherein the second control channel occurs later than the first control channel and the second TTI is shorter than the first TTI. The computer-implemented method can also comprise determining, by the mobile device, whether to monitor the second control channel of the second TTI based on the information of the first DCI.

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 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 network node. In one embodiment, the method includes the network node transmitting a first slot format information (SFI) to a User Equipment (UE), wherein the first SFI indicates transmitted direction of symbols of a first set of slots. The method also includes the network node transmitting a second SFI carried by a group common physical downlink control channel (PDCCH) to the UE, wherein the second SFI indicates transmitted direction of symbols of a second set of slots, and wherein if the first set of slots and the second set of slots are partially overlapped in time domain and the second SFI is transmitted after the first SFI, transmitted direction of overlapped symbols indicated by the second SFI is aligned with transmitted direction of the overlapped symbols indicated by the first SFI.

Abstract: A method and apparatus are disclosed for improving a transmission using a configured resource in a wireless communication system. In one embodiment, the method includes an uplink grant is available for the UE in a TTI, wherein the UE does not have data available for transmission. The method further includes the UE transmitting a physical control information on a data channel according to the uplink grant if the physical control information needs to be transmitted in the TTI. The method also includes the UE skipping the uplink grant if the physical control information does not need to be transmitted in the TTI.

Abstract: A method and apparatus are disclosed for improving SPS operation in a wireless communication system. The method includes configuring an user equipment (UE) with a downlink (DL) assignment or an uplink (UL) grant through a PDCCH (Physical Downlink Control Channel) addressed by a SPS C-RNTI (Semi-Persistent Scheduling Cell Radio Network Temporary Identity). The method also includes receiving, at the UE, a reconfiguration message for a SPS (Semi-Persistent Scheduling) operation in a higher layer, such as a RRC (Radio Resource Control) layer. The method further includes reconfiguring, at the UE, the SPS operation based on the reconfiguration message if the reconfiguration message includes a release of the SPS operation.

Abstract: A method and apparatus are disclosed from the perspective of a base station. In one embodiment, the method includes the base station transmitting to a UE a control signal associated with a reference signal for beam measurement, wherein the control signal includes a beam-related information for transmitting the reference signal for beam measurement. The method also includes the base station transmitting the reference signal for beam measurement to the UE.

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: A method and apparatus for delivery of control signaling in a wireless communication system are disclosed. In one embodiment, the method includes communicating with a UE (User Equipment) in the cell via downlink and uplink transmissions, wherein the downlink and uplink transmissions are organized into radio frames and each radio frame contains multiple subframes and each subframe contains multiple symbols. The method also includes transmitting, in the cell, a UE specific signal in a first symbol of a downlink control region of a subframe of the multiple subframes, wherein the network node is not allowed to transmit a common signal in the first symbol.