Abstract: Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for activation of multiple SCells. In example embodiments, a terminal device receives, from a network device, an instruction to activate a plurality of secondary cells including a physical uplink control channel, PUCCH, secondary cell. The PUCCH secondary cell is configured with a PUCCH. Then, the terminal device determines, from within the plurality of secondary cells, one or more secondary cells associated with a primary cell and one or more secondary cells associated with the PUCCH secondary cell. Moreover, the terminal device prioritizes activation of the one or more secondary cells associated with the primary cell over activation of the one or more secondary cells associated with the PUCCH secondary cell.

Abstract: Embodiments of the present disclosure disclose devices, methods and apparatuses for cell activation. In the embodiments, a terminal determines a pathloss-reference signal (PL-RS) as known for a secondary cell (SCell) with an uplink based on at least one measurement result or a measurement report. The measurement report is triggered due to a cell activation command. Then, the terminal device activates, based on the PL-RS determined as known, the SCell within a first time period. In this way, communication performance related to the carrier aggregation operations can be improved.

Abstract: Inter-alia, a method is disclosed comprising: obtaining measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell of a mobile communication network, executing a handover to a target cell, and, before and/or during executing the handover, starting a measurement on at least one target secondary cell based, at least in part, on the measurement configuration information. Further, a method is disclosed comprising: receiving, from a target node, target secondary cell information indicative of at least one target secondary cell, upon reception of the target secondary cell information, transmitting a measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell based, at least in part, on the target secondary cell information. It is further disclosed an according apparatus, a computer program and a system.

Abstract: Systems, methods, apparatuses, and computer program products for beam tracking to reduce latency. A method may include receiving from a network node, a radio resource control reconfiguration message. The method may also include sending a radio resource control reconfiguration complete message in response to the radio resource control reconfiguration message. The method may further include performing radio resource management measurements according to information contained in the radio resource control reconfiguration message. In addition, the method may include preparing a measurement report based on the radio resource management measurements. Further, the method may include sending the measurement report to the network node. The method may also include maintaining a spatial relation with a cell or a carrier that is identified in the measurement report, as indicated in the radio resource control reconfiguration message.

Abstract: Embodiments of the present disclosure relate to a method, device and computer readable storage medium of communication. The method implemented at a first device comprises receiving, from a second device, a first configuration about a first measurement of first downlink reference signals of the second device and a second configuration about a second measurement of second downlink reference signals of a third device; determining, based on an active bandwidth part of the first device and the first and second configurations, first information for the first measurement and second information for the second measurement; determining a first result of the first measurement based on the first information and a second result of the second measurement based on the second information; and transmitting the first result and the second result to the second device. As such, a fair comparison between the first and second results can be made, and thus it is helpful for the second device to make a correct mobility decision.

Abstract: There is provided an apparatus comprising: means for receiving, on a source cell, a radio resource control configuration for at least one candidate cell including first configuration information and second configuration information; means for decoding the first configuration information; means for performing the at least one measurement based on the first configuration information; means for transmitting, on the source cell, a measurement report comprising at least one result of the at least one measurement; means for receiving, on the source cell, a message triggering the apparatus to decode the second configuration information; means for decoding the second configuration information; means for receiving, on the source cell, a command to switch the apparatus to a target cell selected amongst the at least one candidate cell; and means for switching to the target cell based on the second configuration information.

Abstract: Example embodiments of the present disclosure relate to measurement relaxation. In an aspect, a terminal device determines a short discontinuous reception (DRX) cycle and a long DRX cycle configured for the terminal device. Based on at least one of the short DRX cycle or the long DRX cycle, the terminal device determines at least one of (i) whether the terminal device is allowed to relax a measurement, or (ii) a relaxed evaluation period for the measurement. In this way, the UE behavior is predictable and thus communication efficiency or effectiveness in a communication system can be improved.

Abstract: Embodiments of the disclosure provide a method, device and computer readable medium for detecting cells in scenarios of carrier aggregations. According to embodiments of the present disclosure, if the terminal device receives information indicating to connect to a different cell from the currently connecting cell, the terminal device detects the different cell in a spatial direction of the beam on which the information is received. In this way, a significant reduction in terminal device search and measurement effort is achieve, which leads to significant reduction in the latency.

Abstract: Systems, methods, apparatuses, and computer program products for network-controlled measurement gap adaptation for a user equipment are provided. For example, a method can include receiving, by a user equipment from a network element, a first measurement gap configuration. The method can also include performing, by the user equipment, measurements on a set of beams that can include a first plurality of beams based on the first measurement gap configuration. The method can further include determining, by the user equipment, that a subset of the beams comprising a second plurality of beams meets a condition. The method can additionally include sending, by the user equipment, a report to the network element based on the determination that the subset of the beams meets the condition. The report can be configured to trigger a reconfiguration of the first measurement gap configuration.

Abstract: An method includes determining, by a user device, a configuration for a plurality of beam failure detection reference signal (BFD-RS) sets, and a candidate beam set associated with each of the plurality of (BFD-RS) sets; determining, by the user device, a beam failure status of the plurality of (BFD-RS) sets, including determining a beam failure for at least one of the (BFD-RS) sets; adjusting at least one of the following based on the beam failure status of the plurality of (BFD-RS) sets: a candidate beam evaluation period to evaluate candidate beams of an associated candidate beam set after a beam failure of one of the (BFD-RS) sets; a beam failure detection evaluation period for the user device to detect a failure of one of the (BFD-RS) sets; and scheduling restrictions that restrict or not restrict occasions in which the user device is required to monitor a downlink control channel.

Abstract: This specification describes a terminal device comprising: means for receiving, at the terminal device from at least one base station of a telecommunications network, configuration information which is indicative of a modified configuration for a measurement validity duration pre-configured at the terminal device, wherein the measurement validity duration is for use in validating measurements of signals received from at least one cell of the telecommunications network performed by the terminal device in an idle mode or an inactive mode; and means for determining whether to follow the modified configuration for the measurement validity duration or the pre-configured measurement validity duration.

Abstract: An apparatus configured to: receive, from a serving network, an indication that multiple non-serving network gaps that overlap in time are able to be used substantially simultaneously; detect a gap collision between at least one serving network gap and at least one non-serving network gap; in response to a determination that operation on the at least one serving network gap is required to fulfill at least one requirement associated with the at least one serving network gap, perform operations in the serving network using the at least one serving network gap; and in response to a determination that operation on the at least one serving network gap is not required to fulfill the at least one requirement associated with the at least one serving network gap, perform operations in a non-serving network using the at least one non-serving network gap.

Abstract: An apparatus configured to: perform candidate target cell measurements based, at least partially, on a first configuration; receive, from a network node, an indication to perform activation of at least one transmission configuration indicator state associated with at least one candidate target cell; determine a configuration for performing candidate target cell measurements in response to the indication to perform activation of the at least one transmission configuration indicator state; and use the configuration to measure a reduced set of candidate target cells indicated with the first configuration.

Abstract: A user equipment comprising means for: determining an evaluation period, wherein the determined evaluation period can be at least a first evaluation period, a second evaluation period or a third evaluation period; and performing downlink channel quality assessment comprising performing downlink measurements during the determined evaluation period, wherein the second evaluation period has a longer duration than the first evaluation period and the wherein the third evaluation period has a shorter duration than the second evaluation period.

Abstract: Systems, methods, apparatuses, and computer program products for user equipment based timing advance measurements. The method may include receiving a layer 1/layer 2 triggered mobility configuration for one or more candidate target cells, wherein UE-based TA measurement is enabled for a plurality of cells comprising the one or more candidate target cells and performing user equipment-based timing advance measurements for the plurality of cells according to a first user equipment-based timing advance measurements behavior during a layer 1/layer 2 triggered mobility procedure. An indication to enable a second user equipment-based timing advance measurements behavior may be received. User equipment-based timing advance measurements for the plurality of cells according to the second user equipment-based timing advance measurements behavior based on the indication may be performed.

Abstract: Embodiments of the present disclosure provide methods, devices and computer readable media for communication. In an aspect, a method for communication comprises receiving, at a terminal device, from a network device an indication for the terminal device to establish a connection with a target cell. The method also comprises determining a condition as to whether the target cell and a transmit beam of the target cell for the terminal device are known to the terminal device. The method also comprises determining, based on the condition, a delay for the terminal device to establish the connection. The method further comprises establishing the connection within the delay. The embodiments of the present disclosure can improve communication performance of a terminal device.

Abstract: Embodiments of the present disclosure relate to supporting network controlled measurement interruption ratio. In an aspect, a terminal device determines, based on at least one measurement requirement, a first interruption ratio. The first interruption ratio is different from a second interruption ratio acceptable by the network device. The terminal device transmits, to a network device, a first message requesting the network device to grant the first interruption ratio. By implementing the embodiments of the present disclosure, network controlled measurement interruption ratio can be supported and the negative impact caused by the interruptions could be reduced.

Abstract: A user equipment (UE) may receive, from a network entity, a configuration of one or more candidate cells for switching to from a serving cell. The UE may receive, from the network entity, an indication to deactivate all transmission configuration indicator (TCI) states associated with one or more indicated cells. The UE may deactivate the all TCI states associated with the one or more indicated cells based at least in part on receiving the indication to deactivate the all TCI states. One or more of the one or more candidate cells or the serving cell may include the one or more indicated cells.

Abstract: A first apparatus may be configured, over a serving cell, to indicate to a second apparatus controlling the operation of the serving cell, a suitability of a non-serving cell for one or more inter-cell purposes. For example, the first apparatus may receive from the second apparatus Layer 3, L3, measurement configuration information including a criterion for one or more first inter-cell purposes. When the first apparatus detects, based on performed L3 measurements of one or more reference signals in one or more non-serving cells that the criterion is met for L3 measurements of a first reference signal in a first non-serving cell, the first apparatus transmits a measurement report indicating that the first non-serving cell is a suitable cell for performing L1 measurements by the first apparatus for one or more second inter-cell purposes.

Abstract: There is provided an apparatus comprising: means for receiving (600), on a source cell, a radio resource control configuration for at least one candidate cell including first configuration information and second configuration information; means for decoding (602) the first configuration information; means for performing (604) the at least one measurement based on the first configuration information; means for transmitting (606), on the source cell, a measurement report comprising at least one result of the at least one measurement; means for receiving (608), on the source cell, a message triggering the apparatus to decode the second configuration information; means for decoding (610) the second configuration information; means for receiving, on the source cell, a command to switch the apparatus to a target cell selected amongst the at least one candidate cell; and means for switching (612) to the target cell based on the second configuration information.