Abstract: Embodiments of the present application relate to methods and apparatuses for a radio link failure (RLF) processing procedure and a power headroom report (PHR) procedure in a deactivated secondary node (SN) case in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can include: receiving configuration information from a network, wherein the configuration information relates to a master node (MN) and a SN; receiving a deactivation indication from the network, wherein the deactivation indication is associated with the SN; and in response to receiving the deactivation indication, stopping a timer associated with a RLF if the timer associated with a RLF is running, and reporting a PHR.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: transmitting coherent information of a communication device; and receiving configuration information for the communication device, wherein the configuration information indicates a plurality of phase tracking reference signal (PTRS) ports assigned to the communication device and is based at least on the coherent information.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information report calculation. One method (700) includes receiving (702) configuration information for multiple channel state information reference signal resources. The method (700) includes determining (704) two channel state information reference signal resources of the multiple channel state information reference signal resources to be used for calculating a channel state information report. The two channel state information reference signal resources are received from different transmission reception points, different panels, or a combination thereof. In certain embodiments, the method (700) includes transmitting (706) the channel state information report calculated based on the two channel state information reference signal resources.

Abstract: The present application relates to method and apparatus for subband based channel access on unlicensed spectrum. One embodiment of the present disclosure provides a method comprising: receiving a downlink control information (DCI) for scheduling transmission of data on a set of bandwidth portions of a carrier, wherein the carrier comprises a plurality of bandwidth portions; performing a listen-before-talk (LBT) test on the set of bandwidth portions; and transmitting the data on one or more bandwidth portions of the set of bandwidth portions based on a result of the LBT test.

Abstract: Embodiments of the present application are related to a method and apparatus for determining TA value. An exemplary method according to some embodiments of the present application includes: receiving first downlink signalling information indicating a TA associated value at a first time instance; determining a reference TA value based on a second time instance, wherein the second time instance is determined based on second downlink signalling or predefined information; and determining a TA value for uplink transmission based on the TA associated value and the reference TA value.

Abstract: Embodiments of the present disclosure are directed to a method and apparatus for TRP downlink transmission. In an embodiment of the present disclosure, the apparatus includes at least one transmitter that transmits a spatial information configuration for downlink transmission. The spatial information configuration configures at least one time unit for at least one of predefined spatial information and un-predefined spatial information. In the case that the time unit is configured for the predefined spatial information, the downlink transmission is transmitted according to the predefined spatial information. In the case that the time unit is configured for un-predefined spatial information, the downlink transmission is transmitted according to the spatial information indicated in the specific spatial information in the downlink control channel or configured by the high layer signaling.

Abstract: Apparatuses, methods, and systems are disclosed for data block transmissions. One method (1000) includes transmitting (1002) a data blocks frequency multiplexed in a time duration to a device, wherein: the data blocks are transmitted based on spatial information and a redundancy version sequence; each data block of the data blocks carries the same data varied based on a redundancy version indicated by the redundancy version sequence and occupies a same number of virtual resource blocks in a frequency domain; the data blocks are scheduled by a control channel, wherein the control channel is used to transmit information that indicates the redundancy version sequence of redundancy version sequences configured by high layer signaling; the spatial information is indicated in the control channel or is configured by high layer signaling; and a total number of data blocks of the data blocks is configured by high layer signaling.

Abstract: Methods and apparatus of restriction on linked ePDCCH candidates for ePDCCH soft combining are disclosed. The method includes: receiving, by a receiver, a plurality of Control Resource Set (CORESET) configurations, a plurality of search space set configurations, and a Physical Downlink Control Channel (PDCCH) transmitted with a plurality of repetitions; wherein the plurality of repetitions of the PDCCH are transmitted from a plurality of transmitting-receiving identities, and one CORESET is associated with one search space set; and determining, by a processor, linked monitoring occasions and/or linked candidates for blind detection of the PDCCH with soft combining.

Abstract: Methods and apparatuses for MAC CE based common beam indication are disclosed. In one embodiment, a method comprises receiving a higher layer parameter to enable MAC CE based common beam indication; receiving a common beam indication MAC CE; and determining a common beam according to the common beam indication MAC CE.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for a sidelink positioning mechanism in 3GPP (3rd Generation Partnership Project) 5G and/or new radio (NR) networks. According to an embodiment of the present disclosure, a method performed by a user equipment (UE) includes: receiving at least one of positioning reference signal (PRS) configuration information and downlink control information (DCI); generating sidelink control information (SCI) based on the at least one of the PRS configuration information and the DCI, wherein the SCI indicates a resource in time and frequency domains for a sidelink-positioning reference signal (SL-PRS); and transmitting the SCI.

Abstract: Embodiments of the present application relate to methods and apparatuses for a beam failure detection and recovery procedure in a deactivated secondary node (SN) case in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can include: receiving configuration information relating to at least one of a beam failure detection (BFD) procedure and a beam failure recovery (BFR) procedure; and receiving a deactivation indication associated with a SN of the UE, or determining an expiry of a timer associated with deactivating the SN of the UE, wherein the deactivation indication is included in at least one of: a radio resource control (RRC) message; and a deactivation medium access control (MAC) control element (CE).

Abstract: Apparatuses, methods, and systems are disclosed for downlink control information having a transmission configuration indicator bitmap. One method (400) includes transmitting (402) downlink control information with a transmission configuration indicator, spatial information, or a combination thereof and a transmission configuration indicator bitmap field. Each bit in the transmission configuration indicator bitmap field indicates whether the transmission configuration indicator, the spatial information, or the combination thereof applies to a channel or resource group.

Abstract: Apparatuses, methods, and systems are disclosed for DCI feedback. One method (400) includes transmitting (402) DCI to a user equipment. The DCI comprises a transmission configuration indicator field, and the transmission configuration indicator field signals at least one common beam for transmissions on at least one channel, at least one reference signal resource, or a combination thereof. The method (400) includes receiving (404) a hybrid automatic repeat request codebook from the user equipment. The hybrid automatic repeat request codebook comprises a DCI feedback bit indicating whether the user equipment successfully received the DCI.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for a conditional path switch in a wireless communication system. According to some embodiments of the disclosure, a method may include: receiving, at a user equipment (UE) from a serving cell, a radio resource control (RRC) reconfiguration message including at least one conditional path switch configuration associated with at least one execution condition; evaluating the at least one execution condition; and initiating a path switch procedure with a target node in response to an execution condition being met. Furthermore, the consecutive path switch may be configured.

Abstract: Methods and apparatuses for inter-cell multi-TRP operation are disclosed. In one embodiment, a method comprises receiving a configuration of different CORESETPoolIndex values for different CORESETs, wherein, CORESETPoolIndex=0 is associated with a PCID of a serving cell and the higher layer parameter CORESETPoolIndex=1 is associated with a PCID of a non-serving cell that is different from the PCID of the serving cell; and receiving a configuration of a SSB from the non-serving cell configured as a RS to the signal associated with CORESETPoolIndex=1.

Abstract: Embodiments of the present application are related to a method and apparatus for uplink transmission. An exemplary method of the present application includes: receiving a downlink control information (DCI) indicating a set of common transmission configuration indication (TCI) states for uplink transmission; and in response to the set of common TCI states being applicable for the uplink transmission, transmitting uplink transmission with repetition according to at least part of the set of common TCI states; or transmitting uplink transmission without repetition according to one of the set of common TCI states or an additional TCI state instead of the set of common TCI states.

Abstract: Method and apparatus for reduction of the signaling/resource overhead caused by SRS transmission in UL are disclosed. One method of a UE for the reduction of the signaling/resource overhead caused by SRS transmission in UL includes performing precoding on UL transmission with a precoding matrix corresponding to a CRI, in the case of a frequency of UL and DL being in a same band and Tx/Rx beam correspondence, wherein, the CRI corresponding to the precoding matrix is determined according to a measurement on DL channel quality; and transmitting a report of the measurement on DL channel quality to a base station.

Abstract: Methods, a base unit and a remote unit are disclosed. A method comprises determining two or more SRS resource sets for codebook or non-codebook based UL transmission of the mobile unit in the condition that the number of antenna ports simultaneously used by the mobile unit for transmitting is smaller than the number of antenna ports simultaneously used by the mobile unit for receiving; and transmitting a trigger associated with the two or more SRS resource sets to the mobile unit to trigger SRS resource transmissions by the mobile unit.

Abstract: Apparatuses, methods, and systems are disclosed for transmission timing based on downlink control information. One method (600) includes transmitting (602) first downlink control information indicating a first transmission configuration indicator for a user equipment to receive a first physical downlink shared channel transmission. The method (600) includes transmitting (604) the first physical downlink shared channel transmission with the first transmission configuration indicator if a time between the first downlink control information and the first physical downlink shared channel transmission is greater than or equal to a first time. The method (600) includes transmitting (606) second physical downlink shared channel transmissions with the first transmission configuration indicator after a second time, wherein the second time is after a first acknowledgement corresponding to the first downlink control information has been received.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for multiple transmit-receive points (multi-TRP) transmission. According to an embodiment of the present disclosure, a method can include: receiving at least two configured grant (CG) configurations in a bandwidth part (BWP); receiving association information for associating the at least two CG configurations; and transmitting one or more repetitions of a transport block (TB) on one or more physical uplink shared channel (PUSCH) transmission occasions from each CG configuration of the at least two CG configurations based on the association information. Embodiments of the present disclosure can support the TB transmitted toward multi-TRP according to the multiple CG configurations.