1439 results about "Radio Resource Control" patented technology

A wireless device receives, from a base station, a radio resource control (RRC) reconfiguration message comprising a layer 1 / layer 2 triggered mobility (LTM) configuration. The LTM configuration comprises an LTM candidate configuration of a candidate cell and a value of a time alignment timer for determining whether a timing advance (TA) value of the candidate cell is valid. The wireless device receives, from the base station, a downlink control information (DCI) indicating the candidate cell and to transmit a random access preamble for acquiring the TA value of the candidate cell. Based on the DCI, the wireless device transmits, via the candidate cell, the random access preamble for acquiring the TA value of the candidate cell. The wireless device receives, from the base station, a medium access control (MAC) control element (CE) indicating an identifier of the LTM candidate configuration of the candidate cell and the TA value.

A method (1300) by a user equipment, UE (402, 502, 602, 800), in a connected state is provided for configuring Layer 1 / Layer 2, L1 / L2, based inter-cell mobility. The method includes transmitting (1302) a Measurement Report comprising one or more measurements associated with one or more cells. The UE receives (1304) a Radio Resource Control, RRC, Reconfiguration message comprising at least one configuration of a L1 / L2 based inter-cell mobility candidate cell. The UE transmits (1306) an RRC Reconfiguration Complete message.

The present disclosure describes mechanisms to configure user equipment (UEs) with a set of channel state information (CSI) and / or measurement configurations, and mechanisms to indicate codepoints that activate or trigger selected ones of the configured CSI / measurement configures that individual UEs are to use to report CSI and / or other measurements. The set of configurations can indicate how individual UEs are to compute CSI and / or measurement feedback reports. The set of configurations can include information about which subset of antenna ports from a set of antenna port configurations, and potential transmission power offsets between CSI reference signal (CSI-RS) and physical downlink shared channel (PDSCH). The signaling mechanisms can include radio resource control (RRC) for the CSI / measurement configurations and / or downlink control information (DCI) signaling for activation / triggering of the selected CSI / measurement configurations. The activation / triggering signaling can include a limited number of bits to indicate the codepoints.

An embodiment of aspect 1 provides an user device, UE, for a wireless communication system, wherein the UE or a its transceiver is configured toreceive from a network node, e.g., gNB, at leasta channel state information, CSI, report configuration via a higher layer, e.g., radio resource control, RRC, layer,a configuration or indication via a PHY-layer, e.g., physical downlink control channel, PDCCH, signalling, and / or a higher layer signalling,perform measurement(s) on said at least one CSI-RS resource,compute one or more parameters related to a channel state information, CSI, and / or DL transmission rate and / or reliability associated with at least one of the P subsets of a CSI-RS resource, andtransmit a report to the network node via the PHY-layer or a higher layer.

A wireless transmit / receive unit (WTRU) may receive a radio resource control (RRC) message comprising configuration information. The configuration information may include one or more preconfigured candidate cell configurations. Each of the preconfigured candidate cell configurations may include a special cell (SpCell) configuration, a secondary cell (SCell) configurations, and / or a candidate cell index. The WTRU may receive a medium access control (MAC) control element (CE). The MAC CE may indicate to apply a first preconfigured candidate cell configuration of the one or more preconfigured candidate cell configurations and an activation state for each SCell in the first preconfigured candidate cell configuration. The WTRU may initiate a handover to a SpCell in the first preconfigured candidate cell configuration based on the indication in the MAC CE. The WTRU may transmit data to the SCells activated by the MAC CE.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. Disclosed are a method and a device for supporting access by a terminal to a NES cell, the method comprising the steps of: receiving, in a radio resource control (RRC) inactive mode or an RRC idle mode, system information from a camp-on first cell; acquiring, from the system information, system information about a second cell that does not perform system information transmission; determining, on the basis of threshold value information about the reception signal strength included in the system information about the second cell, whether a condition for access to the second cell is satisfied; and performing, if the condition is satisfied, a random access procedure for the access to the second cell.

In some embodiments, a network apparatus in a telecommunications network, wherein the telecommunications network comprises at least one core network and at least one network node, can be configured to receive data comprising an indication to disable, enable or reenable the use of at least one network operation of the network apparatus for a user equipment, UE, wherein the user equipment, UE, is in a radio resource control, RRC, idle or inactive state of operation, and wherein the user equipment, UE, is participating in an active Packet Data Unit, PDU, or Evolved Universal Terrestrial Radio Access Network, E-UTRAN, Radio Access Bearer, E-RAB, session for an emergency call, and use the received data to disable, enable or reenable the at least one network operation.

Methods, devices, and systems for providing early timing advance (TA) acquisition are provided. A radio resource control (RRC) configuration of the early TA acquisition is received from a base station. A PDCCH order to trigger a random access channel (RACH) procedure toward a candidate cell is received from the base station. The RACH procedure for the early TA acquisition is initiated based on the received RRC configuration and PDCCH order. A preamble with a calculated transmission power on the candidate cell is transmitted to the base station.

Certain aspects of the present disclosure provide techniques for RRC connection reestablishment by a remote UE. In some cases, a remote UE may be configured to detect, on at least one of a first link between a first relay UE and a first network entity or a second link between the remote UE and the first relay UE, a radio link failure (RLF) resulting in a loss of radio resource control (RRC) connection and attempt to reestablish RRC connection by performing at least one of relay selection or cell selection.

A base station of a wireless communication system is disclosed. The base station of the wireless communication includes a communication module; and a processor configured to control the communication module. The processor receives a radio resource control (RRC) signal from a base station of the wireless communication system through the communication module and determines a time-frequency resource corresponding to at least one resource-set indicated by the RRC signal. The processor receives a physical control channel from the base station through the communication module, determines a time-frequency resource domain in which physical data channel reception of the terminal is scheduled by the physical control channel, and receives a physical data channel based on a time-frequency resource in which the physical data channel reception of the terminal is scheduled and a time-frequency resource in which the at least one resource-set overlap. The resource-set is a set of time-frequency resources.

Various example embodiments relate to a cell switch in a mobile communications network, in which a user equipment receives a radio resource control (RRC) reconfiguration message related to a Layer 1 / Layer 2 (L1 / L2) triggered mobility (LTM) procedure, determines whether the UE can pre-process at least a portion of the RRC reconfiguration message related to the LTM before receiving a cell switch command to perform the cell switch, performs pre-processing of at least a portion of the LTM-related portion of the received RRC reconfiguration message, and transmits, before receiving the cell switch command, a message including an indication of the pre-processed portion of the LTM-related portion of the radio resource control reconfiguration message towards a network node of a radio access network to which the user equipment is connected.

To provide a communication method, user equipment, a mobile communication system, a program, and a chip set for allowing the user equipment in an RRC inactive state to perform multicast reception, in a mobile communication system providing a multicast / broadcast service (MBS).SOLUTION: User equipment UE 100, which is in a ratio resource control (RRC) inactive state and participates in a multicast session, receives a paging message for notifying the start of the multicast session from a network node gNB 200, and determines whether to make a transition from the RRC inactive state to an RRC connected state. The paging message includes session information on the multicast session, and identification information for specifying one or more pieces of user equipment UE 100 to be transitioned to the RRC connected state.SELECTED DRAWING: Figure 9

A wireless device may receive one or more radio resource control (RRC) messages comprising one or more configuration parameters. The one or more configuration parameters may comprise (i) a sounding reference signal (SRS) resource indicator (SRI), for a configured uplink grant, indicating an SRI-physical uplink shared channel (PUSCH) power control parameter set and (ii) a pathloss reference signal update parameter enabling an activation command to update pathloss reference signals of an uplink channel. In response to the one or more configuration parameters comprising the pathloss reference signal update parameter, the wireless device may determine a transmission power for a transport block of the configured uplink grant based on a pathloss reference signal mapped to the SRI-PUSCH power control parameter set. The wireless device may transmit the transport block with the transmission power.

A wireless device receives, from a base station, a radio resource control (RRC) reconfiguration message comprising a layer 1 and / or layer 2 triggered mobility (LTM) configuration of the wireless device. The LTM configuration comprises a configuration of a candidate cell for an LTM, a first identifier of the candidate cell, and a second identifier of the candidate cell for an early timing advance acquisition (ETA). The ETA comprises a user equipment (UE) based timing advance (TA) measurement. The wireless device measures a TA value of the candidate cell based on the RRC reconfiguration message comprising the second identifier. The wireless device receives an LTM cell switch command indicating the candidate cell. In response to receiving the LTM cell switch command, the wireless device transmits, via the candidate cell and based on the TA value, an uplink packet.

A wireless device, comprising uplink panels, may receive one or more radio resource control (RRC) messages. The one or more RRC messages may comprise a channel state information (CSI) report configuration indicating a sounding reference signal (SRS) resource. The wireless device may transmit, based on the CSI report configuration, a CSI report indicating an uplink panel, of the uplink panels, associated with the SRS resource. The wireless device may activate the uplink panel in response to transmitting the CSI report. The wireless device may receive an uplink grant scheduling an uplink signal transmission via the uplink panel and based on the SRS resource.

According to the present invention, provided is a method performed by a user equipment (UE), including: receiving a radio resource control (RRC) message, i.e., a primary secondary cell group cell (PSCell) change command, including reconfiguration with sync for a secondary cell group (SCG); determining whether the RRC message includes an indication of SCG deactivation; and if the RRC message does not include an indication of SCG deactivation, performing a successful PSCell change report (SPCR) determination operation upon successfully completing random access triggered by the reconfiguration with sync for the SCG.

Apparatuses, systems, and methods for life cycle management of AI / ML models in wireless communication systems. A wireless device comprising at least one antenna and a processor is configured to: receive a Radio Resource Control (RRC) configuration message from a network device, the RRC configuration message indicating an Artificial Intelligence (AI) model to be used by the wireless device; and transmit an AI-based feedback message generated based on the AI model to the network device.

Apparatus, methods, and computer-readable media for facilitating RRC message segmentation are disclosed herein. An example method for wireless communication at a user equipment (UE) includes receiving, from a network, an indication enabling segmentation of uplink control messages. The example method also includes transmitting an uplink control message based on uplink control information to the network without the segmentation based on at least one of a channel condition or a count of connection releases from the network. In some examples, the uplink control information may have a size that is greater than a maximum PDCP SDU size.

Apparatuses and methods for channel state information (CSI) and calibration reporting. A method performed by a user equipment (UE) includes receiving information related to first and second CSI reports. The information for the first CSI report indicates NTRP CSI reference signal (CSI-RS) resource sets, NTRP>1, and a report quantity set to ‘cjtc-Dd’. The information for the second CSI report indicates NTRP CSI-RS resources, a report quantity set to ‘cri-RI-PMI-CQI’, and a codebook type set to ‘typeII-CJT-r18’. The first CSI report is linked to the second CSI report via a radio resource control (RRC) parameter. The method further includes determining, based on the information, a CSI for the second CSI report and transmitting the second CSI report including the CSI.

Methods, systems, and apparatuses are provided for mobile terminated small data transmission in a wireless communication system. A User Equipment (UE) can apply Downlink (DL) Semi Persistent Scheduling (SPS) in a Mobile Terminated Small Data Transmission (MT-SDT) procedure. The UE can handle the configured DL assignment for DL SPS. A method for a UE in a wireless communication system can comprise receiving one or more configurations of DL SPS for Radio Resource Control Inactive (RRC_INACTIVE) state, initiating a MT-SDT procedure in response to receiving a paging indicating MT-SDT, receiving, in RRC_INACTIVE state, one or more DL transmissions using a configured DL assignment for the DL SPS during the MT-SDT procedure, and keeping the one or more configurations of the DL SPS and entering RRC_CONNECTED state in response to receiving a RRC resume message during the MT-SDT procedure.

The embodiment of the invention relates to equipment, a method and a device for application layer measurement configuration in an idle or inactive state and a computer readable storage medium. The method comprises: receiving at least one application layer measurement configuration from a network device in a radio resource control (RRC) connected state, each of the at least one application layer measurement configuration indicating at least whether an application layer measurement is to be activated in an RRC non-connected state; receiving, in the RRC non-connected state, a message associated with one or more application layer measurements in the RRC non-connected state from the network device; and performing at least one operation associated with the one or more application layer measurements in the RRC non-connected state based on the at least one application layer measurement configuration.

Apparatuses, systems, and methods for MAC behavior and RRC configuration of uplink wakeup signal (UL WUS) for a connected UE, e.g., in 5G NR systems and beyond. A UE may receive, from a base station, an indication of resources for an UL WUS. The UE may also receive, from the base station, one or more trigger conditions for transmission of the UL WUS. The indication may include a prohibit timer and maximum transmission number per UL WUS resource. The resources for the UL WUS may be periodic or aperiodic UL resources. The one or more trigger conditions for transmission of the UL WUS may be received via a system information block or via radio resource control signaling. The UE configure the UL WUS based, at least in part, on the indication of resources for the UL WUS and the one or more trigger conditions for transmission of the UL WUS.

An apparatus, operating in a radio resource control idle mode, selects from multiple candidate cells, a target cell to be a next serving cell for the apparatus. The apparatus starts, based on the target cell providing system information block 1 (SIB1) on an on-demand basis and in response to receiving a SIB1 request configuration for the target cell, a SIB1 request for the target cell based at least in part on the SIB1 request configuration for the target cell. The apparatus reselects, in response to receiving no SIB1 for the target cell in response to the SIB1 request, a secondary candidate cell of the multiple candidate cells on a same frequency as the target cell or on another frequency than the target cell based at least in part on whether intra-frequency reselection is allowed, and continues to consider the target cell in future cell selection or reselection evaluation.

A terminal apparatus is configured to receive, from a base station apparatus, a radio resource control (RRC) message including information for configuring an identifier of a logical channel group (LCG) to which a logical channel (LCH) belongs, and information for indicating a threshold for triggering a delay status report (DSR), trigger the DSR in a case where remaining time with respect to an earliest time limit for a certain data becomes below the threshold and the DSR for the certain data is not transmitted, and transmit the DSR or a scheduling request (SR).

A method for a user equipment for performing a small data transmission (SDT) procedure is provided. The method includes receiving, from a base station, an SDT configuration including a plurality of uplink configured grant (UL-CG) configurations for the SDT procedure, each of the plurality of UL-CG configurations being associated with a downlink reference signal received power (DL-RSRP) threshold; applying one of the plurality of UL-CG configurations for the SDT procedure in a case that a DL-RSRP measurement result of a synchronization signal block (SSB) associated with the one of the plurality of UL-CG configurations is higher than one of a plurality of DL-RSRP thresholds; and initiating, during the SDT procedure, a random access (RA) procedure in a case that none of a plurality of DL-RSRP measurement results of a plurality of SSBs associated with the plurality of UL-CG configurations is higher than any of the plurality of DL-RSRP thresholds.

A communication method and apparatus, and a system, to improve efficiency of receiving a multicast service. The communication method includes: sending a radio resource control (RRC) resume request message to a first network device; receiving an RRC resume message sent by the first network device; entering an RRC connected state from an RRC inactive state; and receiving a first multicast based on a first multicast broadcast service radio bearer (MRB), where the first MRB is determined based on the RRC resume message and first multicast configuration information, the first multicast configuration information is obtained from a second network device, and the second network device is a network device in a last serving cell in an RRC connected state.

A communication method using a relay apparatus including a relay device that performs relay operation of relaying a radio signal transmitted between a network and a user equipment, and a control terminal that receives a control signal used for control of the relay device from the network, the communication method including the steps of: starting, by the control terminal in a radio resource control (RRC) connected state in a first cell, an RRC connection re-establishment procedure to a second cell based on detection of a radio link failure (RLF) in the first cell; and controlling, by the relay apparatus, the relay operation based on whether the second cell is the same cell as the first cell when the RRC connection re-establishment to the second cell is successful.

A user equipment (UE) can generate a number of repeated physical uplink shared channel (PUSCH) transmissions based on a radio resource control (RRC) signaled time-domain resource allocation table and a downlink control information (DCI) received from a base station. The DCI includes a time-domain resource assignment field, which can point to an entry of the time-domain resource allocation table. The entry of the time-domain resource allocation table may be jointly configured with the number of repeated PUSCH transmissions, a starting symbol, a length of PUSCH, and a PUSCH mapping type.

The present disclosure describes methods, system, and devices for configuring hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback for physical downlink shared channel (PDSCH) transmission. The method includes receiving, by a user equipment (UE), a radio resource control (RRC) parameter to configure a one-shot HARQ-ACK feedback mode; and receiving, by the UE, a first downlink control information (DCI) comprising a first K, the first DCI corresponding to a first PDSCH. The method includes receiving, by the UE, a second DCI comprising a second K with an applicable value and an one-shot request field with a positive value, the second DCI corresponding to a second PDSCH; and transmitting, by the UE, a one-shot HARQ-ACK feedback according to a preset rule.

A wireless device receives one or more radio resource control (RRC) messages indicating an uplink configured grant configuration for a random access channel (RACH)-less layer-1 / layer-2 triggered mobility (LTM) cell switch. The uplink configured grant configuration associates synchronization signal blocks (SSBs) to physical uplink shared channel (PUSCH) occasions. The wireless device triggers a conditional LTM cell switch to a candidate cell based on a reference signal, of the candidate cell, fulfilling a condition. The wireless device transmits, on the candidate cell and via a PUSCH occasion of the PUSCH occasions, a PUSCH transmission. The PUSCH occasion is associated with an SSB that is the same as, or associated with, the reference signal.