Abstract: Embodiments of the present application are directed to a method and apparatus for beam-based transmission for sidelink. The method may include: detecting spatial information contained in first sensed scheduling information; selecting a resource and a direction of a beam for data transmission based on the detected spatial information; transmitting second scheduling information including the selected resource and spatial information of the beam for the data transmission, where the spatial information of the beam includes the direction of the beam for the data transmission; and transmitting the data transmission by using the selected resource and the direction of the beam.

Abstract: Methods and apparatuses for PDSCH reception in single-DCI multi-TRP scenario with unified TCI framework are disclosed. In one embodiment, a UE comprises a transceiver; and a processor coupled to the transceiver, wherein the processor is configured to receive, via the transceiver, a medium access control (MAC) control element (CE) activating at least one Transmission Configuration Indication (TCI) codepoint with two downlink (DL) or joint TCI states; receive, via the transceiver, a downlink control information (DCI) indicating one TCI codepoint being activated with two DL or joint TCI states if multiple TCI codepoints are activated with DL or joint TCI states; and determine one or two DL TCI states for reception of PDSCH scheduled by a scheduling DCI.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for mapping from virtual resource block (VRB) to physical resource block (PRB) of a physical downlink shared channel (PDSCH) transmission. According to an embodiment of the present disclosure, a user equipment can include: a receiver that receives a downlink control information (DCI) format 1_0 in two or more linked common search spaces (CSSs) associated with two or more control resource sets (CORESETs), wherein each CSS of the two or more linked CSSs is associated with a CORESET of the two or more CORESETs; and a processor that is coupled to the receiver and determines a lowest-numbered PRB in the two or more CORESETs for mapping from VRB to PRB of a PDSCH transmission scheduled by the DCI format 1_0.

Abstract: Methods and apparatuses for power headroom report for additional SRS are disclosed. A method at a UE comprises calculating a power headroom (PH) according to additional SRS if SRS is transmitted on the additional SRS symbol(s) in a normal subframe; and reporting at least one type of the PH calculated according to the additional SRS, Type-3 PH and Type-1 PH by a MAC CE.

Abstract: Methods and apparatuses for RIS capability reporting are disclosed. A method at an RIS device comprises transmitting RIS capability including at least the number of elements in a vertical direction (Nx) and the number of elements in a horizontal direction (Ny), and whether the phase states of all elements in each column can be controlled together; and receiving a reflection coefficients matrix derived based on the RIS capability.

Abstract: Apparatus and methods of Hybrid Automatic Repeat Request (HARQ) Acknowledgement (ACK) feedback for multiple Physical Downlink Control Channel (PDCCH) based multiple Transmit Receive Points (TRP) transmission are disclosed. The apparatus includes: a receiver that receives a plurality of configurations of control resource sets (CORESETs), wherein each CORESET comprises a plurality of resource blocks (RBs) in frequency domain and a plurality of symbols in time domain, and time-frequency resources identified by the CORESET are used to transmit a Downlink Control Information (DCI); a processor that determines a Hybrid Automatic Repeat Request (HARQ) Acknowledgement (ACK) feedback selected from a group consisting of: a separate HARQ-ACK feedback and a joint HARQ-ACK feedback; and a transmitter that transmits the determined HARQ-ACK feedback; wherein the separate HARQ-ACK feedback is transmitted through a plurality of uplink resources; and the joint HARQ-ACK feedback is transmitted through one uplink resource.

Abstract: Methods and apparatuses for closed loop power control for PUSCH and PUCCH transmissions in multi-TRP scenario are disclosed. A method at an UE comprises receiving one or multiple DCIs, each DCI includes a first TPC field and a second TPC field and schedules one or multiple PUSCH or PUCCH transmissions; determining mappings between TPC commands and the scheduled PUSCH or PUCCH transmissions, wherein, each mapping is between two TPC commands indicated by the first TPC field and the second TPC field of each DCI and the scheduled PUSCH or PUCCH transmission(s), each of which is mapped to a closed loop index, by the DCI; calculating closed loop power adjustment for each of the scheduled PUSCH or PUCCH transmissions according to the received TPC command(s) between each of the scheduled PUSCH or PUCCH transmissions and its scheduling DCI and the mappings; and transmitting each of the scheduled PUSCH or PUCCH transmissions with a power based on its calculated closed loop power adjustment.

Abstract: Methods and apparatuses for simultaneous unified TCI state update for a group of cells are disclosed. A method comprises receiving a configuration of one or more CC lists, simultaneous TCI state update is supported for all CCs in each CC list; receiving, for a CC list, an indication of common TCI state in one CC in the CC list to update TCI states of all CCs in the CC list, wherein, TCI state ID(s) are included in the indication of common TCI state; determining, for the CC list, application time of the common TCI state, the application time is based on a reference SCS; and applying the TCI state ID(s) included in the indication of common TCI state to all of CCs in the CC list after the determined application time.

Abstract: Apparatus and methods of physical uplink control channel (PUCCH) transmission and reception in multiple transmit receive points (TRPs) are disclosed. The apparatus includes a transmitter for selectively transmitting a first physical uplink control channel (PUCCH) resource to a first identity, and selectively transmitting a second PUCCH resource to a second identity, wherein each one of the PUCCH resources carries a set of uplink control information (UCI); and a processor that determines whether there is an overlap between the first PUCCH resource and the second PUCCH resource.

Abstract: Methods and apparatuses for determining default spatial relation for uplink signals are disclosed. A method comprising: determining a default spatial relation for transmission of an uplink signal if no higher layer parameter for indicating a spatial relation is configured for the transmission of the uplink signal; and transmitting the uplink signal using the determined default spatial relation.

Abstract: Methods and apparatuses for UE grouping are disclosed. A method at a base unit comprises configuring one or more higher layer parameter sets for SRS transmission with at least one of frequency hopping, repetition and antenna switching and transmitting a DCI containing a non-zero SRS request field or a higher layer signaling to trigger a SRS transmission in the symbols in one or more normal subframes.

Abstract: Methods and apparatuses for beam determination for multiple PDSCH transmissions or PUSCH transmissions scheduled by one DCI are disclosed. A method comprises receiving a first DCI, wherein the first DCI schedules multiple PDSCH transmissions each of which carries one or multiple TBs, each TB carried in each PDSCH transmission is different, and the first DCI indicates a TCI or UL TCI state update; and determining application time of the TCI or UL TCI state update indicated by the first DCI based on at least one PUCCH resource carrying HARQ-ACK information for at least one of the TBs carried in all PDSCH transmissions scheduled by the first DCI.

Abstract: Embodiments of the present application are related to a method and apparatus for beam determination. An exemplary method of the present application includes: receiving information indicating a set of joint or uplink common transmission configuration indication (TCI) state; and for a user equipment (UE) capable of transmitting an link transmission according to more than one TCI state simultaneously in a time interval where the set of joint or uplink common TCI state is applicable, transmitting the uplink transmission according to: a) the set of joint or uplink common TCI state simultaneously, or b) the set of joint or uplink common TCI state simultaneously and a beam indication associated with the uplink transmission.

Abstract: The present disclosure relates to methods and apparatuses for physical uplink shared channel (PUSCH) repetition transmissions. One embodiment of the present application provides a user equipment (UE), including: a receiver that receives downlink control information (DCI) including a first indicator and a second indicator; and a processor that is coupled with the receiver. The first indicator includes a first bit and a second bit and indicates one or two phase tracking reference signal (PTRS)-demodulation reference signal (DMRS) associations between PTRS port(s) and DMRS port(s).

Abstract: Methods and apparatuses for dynamic open loop power control parameter switching between eMBB and URLLC in unified TCI framework are disclosed. In one embodiment, a UE comprises a processor; and a receiver coupled to the processor, wherein the processor is configured to receive, via the receiver, a configuration of one or more P0-PUSCH-sets each of which can be associated with a UL or joint TCI state; and determine a P0 value for a PUSCH transmission associated with an indicated UL or joint TCI state according to an OLPCPSI field contained in the DCI scheduling the PUSCH transmission.

Abstract: Methods and apparatus of resource mapping for DMRS ports are disclosed. The method includes: receiving, by a receiver, a Demodulation Reference Signal (DMRS) configuration with a plurality of DMRS ports, the plurality of DMRS ports comprising a first port group with a first set of DMRS ports and a second port group with a second set of DMRS ports; determining, by a processor, a DMRS resource comprising a first part of the DMRS resource for the first port group and a second part of the DMRS resource for the second port group; and receiving, by the receiver, a DMRS mapped to the first part and the second part of the DMRS resource.

Abstract: Methods and apparatus of beam determination of PUSCH scheduled or activated with DCI format 0_0 where two common beams are indicated for UL transmission are disclosed. The method includes: receiving, by a receiver. Downlink Control Information (DCI) comprising a Transmission Configuration Indication (TCI) field that indicates a TCI codepoint where two common TCI states are mapped, or a Media Access Control (MAC) Control Element (CE) that activates only two common TCI states which are mapped to a same TCI codepoint; determining, by a processor, one or two TCI states selected from the two common TCI states for transmission of a Physical Uplink Shared Channel (PUSCH) scheduled or activated by DCI format 0_0; and transmitting, by a transmitter, the PUSCH with the selected TCI state.

Abstract: Methods and apparatuses for multi-DCI multi-TRP based DL transmission in unified TCI framework are disclosed. In one embodiment, a UE comprises a processor; and a transceiver coupled to the processor, wherein the processor is configured to receive, via the transceiver, an MAC CE including a CORESET pool ID field to activate one or multiple DL or joint TCI states among configured DL or joint TCI states when a high layer parameter CORESETPoolIndex is configured for at least one CORESET; and receive, via the transceiver, a DCI indicating one DL or joint TCI state when multiple DL or joint TCI states are activated.

Abstract: Embodiments of the present application are related to a method and apparatus of adjusting timing for multi-TRP transmission. An exemplary method of the present application includes: receiving information indicating a plurality of timing advance groups (TAG)s in a serving cell configured with a plurality of indexes, wherein each control resource set (CORESET) in the serving cell is associated with a corresponding index of the plurality of indexes: receiving a TA command associated with a TAG of the plurality of TAGs, wherein the TAG is associated with an index of the plurality of indexes; and transmitting an uplink transmission associated with the index in the serving cell according to the TA command.

Abstract: Embodiments of the present application are related to a method and apparatus of power headroom report (PHR) reporting. An exemplary method of the present application includes: receiving configuration information, indicating two sounding reference signal (SRS) resource sets and two power headroom reports (PHR)s to be reported for an activated bandwidth part of a serving cell, wherein a first SRS resource set of the two SRS has a lower identifier than a second SRS resource set of the two SRS resource sets; and transmitting the two PHRs according to two power control parameter sets associated with the two SRS resource sets.