Abstract: According to an example aspect of the present invention, there is provided a method including determining at least one possible downlink control information for the user equipment to schedule the data transmission, checking a scrambled version of the at least one possible downlink control information to determine whether the scrambled version of the at least one possible downlink control information defines valid downlink control information, transmitting the scrambled version of the at least one possible downlink control information and scheduling the data transmission based on the at least one possible downlink control information and if it is determined that the scrambled version of the at least one possible downlink control information defines valid downlink control information, scheduling the jamming transmission based on the scrambled version of the at least one possible downlink control information.

Abstract: A method of operating a radio network element includes receiving user equipment (UE) capability information indicating panel combinations of a multi panel UE (MP-UE), each including at least one antenna panel from among a plurality of antenna panels of the MP-UE; receiving signal strength information corresponding to plurality of transmission reception points (TRPs); based on the signal strength information, determining a plurality of TRP sets corresponding to the plurality of panel combinations, respectively; and generating a plurality of control resource set (CORESET) configurations corresponding to the plurality of panel combinations, respectively, wherein, for each panel combination, the TRP set corresponding to the panel combination indicates at least one TRP from among the plurality of TRPs, and the CORESET configuration corresponding to the panel combination defines one or more CORESETs to be used by the at least one TRP to provide downlink (DL) transmissions to the MP-UE via the panel combination.

Abstract: An apparatus, method and computer program is provided comprising: determining a plurality of candidate data transmission slots, wherein each candidate data transmission slot has an index and said plurality of candidate data transmission slots are arranged in an order; setting an index of a current candidate data transmission slot of the plurality to be an incremental increase of an index of a preceding candidate data transmission slot of the plurality in the event that a timing gap between a start of said current candidate data transmission slot and a start of a subsequent candidate data transmission slot of the plurality is greater than a threshold; and setting the index of the current candidate data transmission slot to be equal to the index of the preceding candidate data transmission slot of the plurality in the event that the timing gap is not greater than said threshold.

Abstract: Systems, methods, apparatuses, and computer program products for the synchronization and timing of IAB nodes are provided. One method may include determining, at a parent node, a resource configuration and using the determined resource configuration to set a timing advance (TA) mode with two offsets comprising a first offset to be used with time division multiplexing (TDM) and a second offset to be used with at least one of spatial division multiplexing (SDM) or frequency division multiplexing (FDM). The method may also include transmitting a command, to an integrated access and backhaul (IAB) node, to start adjusting mobile termination (MT) uplink (UL) transmission (Tx) timing based on the resource configuration and the timing advance (TA).

Abstract: An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: determine (1006) whether at least one transport block has been successfully delivered to another apparatus; and determine (1008, 1010, 1012) whether to use the at least one transport block to scramble at least one subsequent transport block based on whether the at least one transport block has been successfully delivered to the apparatus.

Abstract: According to an example aspect of the present invention, there is provided a method comprising, transmitting to a second wireless node timing information for security key adoption and information indicative of a third wireless node, transmitting to the third wireless node a message to estimate a channel between the second wireless node and the third wireless node, the message to estimate the channel comprising information indicative of the second wireless node and channel measurement resource information associated with the second wireless node, obtaining a security key generated on the basis of channel estimation information based on estimation of the channel by the third wireless node, and applying the security key for encrypted data transmission between the first wireless node and the second wireless node.

Abstract: Systems, methods, apparatuses, and computer program products for channel state information (CSI) configuration and reporting for multi-transmission reception point (TRP) operation are provided. One method may include configuring a user equipment (UE), by a network node, to provide independent channel state information (CSI) feedback per transmission reception point (TRP) and to indicate additional information. The configuring of the UE may include configuring the UE with at least one of several reporting options for generating a combined channel state information (CSI) report.

Abstract: Techniques of performing CSI reporting include identifying a cluster of TRPs sharing common information in their CSI and transmitting a complete CSI report to a selected TRP of the cluster while transmitting partial CSIs reports to other TRPs of the cluster. Along these lines, in an example implementation, a UE receives a CSI-RS from a network, with the CSI-RS carrying a plurality of reference symbols from a plurality of TRPs. Based on the plurality of symbols, the UE generates TRP data representing CSI feedback for each of the TRPs. From the CSI feedback, the UE identifies, as a cluster, a subset of the TRPs that share common information within the CSI feedback. The UE then sends first identification data identifying the subset of the TRPs that make up the cluster to the network.

Abstract: Methods, apparatus, and computer program products for a user equipment receiving CSI-RS and computing channel support information. Based on the CSI, the UE derives tap locations of channel support, depending on the observed channel and used subcarrier spacing. The deriving can additionally be done in relation to power class and window size. The UE apprises a base station of those tap locations of the channel support and also informs the base station of the strongest tap locations, which can be done in various ways comprising a bit mask. Methods, apparatus, and computer program products for a base station to send CSI-RS to a UE for computing CSI feedback. The CSI-RS resources can be for one or multiple transmit receive points. The base station receives back an indication of tap locations and a bit mask and builds information on tap locations by combining that received indication and bit mask.

Abstract: An method includes determining to perform inter-cell multi-downlink control information (multi-DCI) based multi-transmission reception point (multi-TRP) operation for a user device based on the following: receiving, by the user device from a network node, transmission configuration index (TCI) states for a plurality of control resource sets (CORESETS), wherein the TCI states for the plurality of CORESETs are associated with a plurality of cells having different physical cell identities (PCIs) or associated with a plurality of cell groups; and determining, by the user device, that at least one of the following conditions is present: 1) a multi-DCI based multi-TRP-related high layer parameter has been configured to the user device; 2) a default mode of multi-TRP operation has been configured to the user device; or 3) the user device has received control information indicating physical downlink shared channel (PDSCH) TCI state activations corresponding to two different CORESETPoolIndex values; and, performing in

Abstract: According to an implementation, a method includes obtaining, by a user device of a communication system, configuration information for an adjustment to a repetition operation of uplink control information on a physical uplink control channel, the repetition operation including a plurality of resource repetitions, the plurality of resource repetitions including consecutive resource repetitions, determining, by the user device, whether a gap between the consecutive resource repetitions is less than a switching gap threshold, the consecutive resource repetitions including at least one resource repetition associated with the first transmission-reception-point (TRP) and at least one resource repetition associated with the second TRP; modifying, by the user device, the repetition operation using the configuration information in response to the gap being determined as less than the switching gap threshold, and transmitting, by the user device, the uplink control information according to the modified repetition opera

Abstract: Systems, methods, apparatuses, and computer program products for multiple transmission-reception point (M-TRP) operation after beam failure recovery (BFR) are provided. One method may include determining, by a UE, that a beam failure detection (BFD) reference signal or signals (RS) associated with one or more beam failure detection resource sets has failed. The method may also include determining, by the UE, that it is not required to monitor a channel on at least one control resource set (CORESET) associated with an index value that is further associated with the one or more failed beam failure detection resource sets.

Abstract: Systems, methods, apparatuses, and computer program products for multiple transmission-reception point (multi-TRP) physical uplink control channel (PUCCH) scheme determination are provided. One method may include receiving, at a user equipment, at least one of an indication or configuration comprising information relating to one or more multi-TRP PUCCH schemes. The method may also include determining a multi-TRP scheme to apply for an uplink control information (UCI) transmission using at least one of the indication or the configuration, and transmitting the UCI on PUCCH according to the determined multi-TRP PUCCH scheme.

Abstract: A distributed unit, DU, of a radio access node configured to operate in a scenario where the DU is one of multiple DUs serving links to a multi-connected entity, acquires a first DU radio resource configuration for the DU, acquires a first link radio resource configuration corresponding to a first link of a multi-connectivity link of a multi-connected entity, wherein the first link is served by the DU, acquires a multiplexing configuration of the multi-connectivity link, and determines availability of at least one radio resource for the multi-connectivity link based on the first DU radio resource configuration, the first link radio resource configuration, and the multiplexing configuration.

Abstract: A method for adjusting transmit timing is disclosed. The method includes determining a reference timing advance value TAref, receiving a time offset parameter; and adjusting downlink transmit timing based on i) detected downlink receive timing of radio node and ii) the reference timing advance value TAref and the time offset parameter.

Abstract: There is provided an apparatus, said apparatus comprising means for determining a propagation delay between each of a plurality of transmit-receive points of a network and a user device, determining, based on each determined propagation delay, at least one parameter associated with transmissions from each of the transmit-receive points and providing an indication to the user device of the determined at least one parameter.

Abstract: Certain example embodiments provide systems, methods, apparatuses, and computer program products for facilitating downlink control information (DCI) repetition on linked physical downlink control channel (PDCCH) candidates of different search space sets. For example, certain embodiments may provide a procedure for a network node or a user equipment (UE) to determine a set of PDCCH candidates for determining starting time and ending time instances for the PDCCH transmission utilizing the repetition of the DCI.

Abstract: In accordance with some embodiments, a method may include configuring, by a user equipment, at least a first transmission configuration index (TCI), a second TCI, and at least two non-overlapping frequency resource regions in a single time domain resource. The first TCI may be associated with at least one non-overlapped frequency resource region. The second TCI may be associated with at least one non-overlapped frequency resource region which not assigned to the first TCI. At least one association of a state of the first TCI, a state of the second TCI, and the at least one non-overlapping resource region may be changed in a next time domain repetition instance.

Abstract: According to the disclosure there is provided an apparatus comprising means for performing: receiving a configuration for a distributed unit of the apparatus for transmitting reference signals using a time domain resource of the apparatus, in accordance with a time domain transmission pattern; and receiving a configuration for a mobile termination unit of the apparatus for reception of reference signals using the time domain resource of the apparatus, in accordance with a time domain reception pattern; and selectively measuring received reference signals in dependence on a determination of whether measurement of received reference signals is required.

Abstract: Methods, apparatuses, and computer programs for timing enhancement for an integrated access and backhaul node are disclosed. A method includes receiving a control element that is used to determine a timing mode and/or associated timing information for an integrated access and backhaul node; determining the timing mode and/or the associated timing information for the integrated access and backhaul node, based on the control element; and applying the timing mode and/or the associated timing information for a subsequent uplink transmission for the integrated access and backhaul node.