2250 results about "Radio Resource Control" patented technology

A wireless device receives from a first base station a radio resource control (RRC) message comprising a wireless device capability enquiry and transmits to the first base station an RRC message comprising a first parameter indicating support by the wireless device for recovering from a failure of a first serving cell by performing layer 1 and / or layer 2 triggered mobility (LTM) to a first selected cell based on the first selected cell being a candidate cell for LTM. The wireless device receives from a second base station an RRC message comprising an LTM configuration for cell switching to one or more LTM candidate cells of the second base station, where the LTM configuration indicates that the wireless device performs, after a failure of a second serving cell of the second base station, LTM to a second selected cell based on the second selected cell being a candidate cell for LTM.

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.

A wireless device transmits radio resource control (RRC) messages comprising capability parameters indicating support, for a layer 1 and / or layer 2 triggered mobility (LTM) procedure and within a measurement window, for synchronization signal block (SSB) based inter-frequency layer 1 reference signal received power (RSRP) measurement of a candidate cell with a received time difference, between the candidate cell and a serving cell, larger than a cyclic prefix (CP) length. The device receives RRC messages indicating a measurement window. The device receives a command indicating an uplink transmission of a L1 RSRP report of the candidate cell. The first cell and the candidate cell are inter-frequency configured. The device transmits the L1 RSRP report measured over one or more first SSBs of the candidate cell. The first SSBs are received: via the candidate cell with the received time difference being greater than the CP length, and within the measurement window.

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.

A first wireless device receives a radio resource control (RRC) message comprising a first configuration parameter indicating a sidelink priority threshold value. The first wireless device receives, from a second wireless device, a sidelink control information (SCI) comprising a channel occupancy time (COT) sharing indication indicating a COT with a duration starting from a first slot. The COT is initiated using a first type of channel access procedure. The first wireless device determines simultaneous transmissions scheduled in a carrier and within the COT. The simultaneous transmissions comprise an uplink transmission on an uplink and a sidelink transmission, of a multi-consecutive slots transmission (MCSt), on a sidelink. The first wireless device determines to transmit the sidelink transmission based on a priority value of the sidelink transmission being smaller than the sidelink priority threshold value and transmits the sidelink transmission within the COT using a second type of channel access procedure.

A method for operating a user equipment (UE) comprises receiving a configuration via a radio resource control (RRC) message, the configuration including information about a channel state information reference signal (CSI-RS) burst comprising B>1 time instances of CSI-RS transmission; measuring the CSI-RS burst; determining, based on the measurement, time-domain (TD) or Doppler domain (DD) components of a downlink (DL) channel; and transmitting a CSI report including an indication about the TD or DD components of the DL channel.

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.

The present disclosure relates to a failure recovery in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device served by a master node (MN) and a secondary node (SN) in a dual connectivity (DC) in a wireless communication system comprises: receiving information for a timer related to a fast master cell group (MCG) recovery and a conditional mobility attempt configuration; starting the timer related to the fast MCG recovery upon detecting a MCG failure; and based on detecting an expiry of the timer related to the fast MCG recovery: removing one or more conditional mobility commands stored in the wireless device; and initiating a transmission of a radio resource control (RRC) re-establishment request message.

A system, method and apparatus for mobile communications are provided. A user equipment (UE) in a radio resource control state receives a broadcast message that includes measurement configuration parameters. The UE determines, based on the measurement configuration parameters, a service continuity trigger for one or more multicast broadcast services (MBS) services. Responsive to the determined service continuity trigger, a random access process (RAP) is initiated, wherein initiating the RAP includes transmitting a first message indicating a request for MBS configuration parameters associated with the one or more MBS services. The UE receives the one or more MBS configuration parameters in response to transmitting the first message. The UE then receives data associated with the one or more MBS services via the target cell based on the MBS configuration parameters and while remaining in the RRC state.

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.

Various arrangements disclosed herein relate to managing Multicast and Broadcast Services (MBSs) in various Radio Resource Control (RRC) states, including receiving, by a wireless communication device from a network using signaling specific to the wireless communication device, indication information indicating that Point-to-Multipoint (PTM) configuration for each of a plurality of Multicast and Broadcast Services (MBSs) is obtained from broadcast signaling when the wireless communication device is in an RRC-connected state. The wireless communication device receives from the network the PTM configuration from the broadcast signaling used for receiving the plurality of MBSs when the wireless communication device is in the RRC-connected state.

A terminal apparatus is configured to receive, from a base station apparatus, a radio resource control (RRC) message including a configured grant (CG) configuration, the CG configuration including information for configuring a plurality of physical uplink shared channel (PUSCH) transmission occasions based on a configured uplink grant and information for configuring a number of bits of uplink control information (UCI) on an unused transmission occasion, determine a number of bits of a bitmap of the UCI, based on the information for configuring the number of bits, and perform a PUSCH transmission in each of the plurality of PUSCH transmission occasions, based on the information for configuring the plurality of PUSCH transmission occasions.

A frequency measurement method performed by a user equipment (UE) in a wireless communication system is provided. The frequency measurement method includes: receiving a radio resource control (RRC) release message or system information including first frequency measurement configuration information for frequency measurement in an RRC inactive mode; performing frequency measurement in the RRC inactive mode based on the first frequency measurement configuration information; receiving first RRC resume message including an indicator requesting a measurement report in the RRC inactive mode; and transmitting an RRC resume complete message including the measurement report based on the indicator.

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.

A discontinuous reception (DRX) method, a terminal device, and a network device are provided. The method can include the following. A terminal device starts a first timer at a first time after a time when a low-power wake-up signal (LP-WUS) is received by the terminal device, where the first timer is a drx-onDuration timer. A duration of the first timer is configured by a network device. The terminal device is in a radio resource control (RRC)_CONNECTED state and in a low-power receiver state. The method further includes the following. The terminal device monitors the LP-WUS, and wakes up a main radio in a case where the LP-WUS is received by the terminal device.

The present disclosure relates to SRS enhancement to support more than four layers non-codebook based uplink transmission. In an aspect, a wireless device may comprise at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio; wherein the processor is configured to: receive, via the at least one radio, at least one Radio Resource Control (RRC) signaling from a cellular base station, wherein, the at least one RRC signaling configures at least one group of N Sounding Reference Signal (SRS) resources for non-codebook, N>4, and each SRS resource is configured with one port; and transmit, via the at least one radio, SRSs to the cellular base station on the configured group of SRS resources, wherein each SRS is transmitted on one SRS resource of the configured group of SRS resources.

A method is performed by a wireless device (900) for physical random access channel, PRACH, transmission triggered by a physical downlink control channel, PDCCH, order. The wireless device receives (100), via radio resource control, RRC, signaling, a configuration for the PDCCH order. The wireless device receives (110) the PDCCH order in accordance with the received configuration. The received PDCCH order includes an indication whether a pathloss offset associated with a transmission configuration indicator, TCI, state is to be used for determining a power level for transmission of a PRACH preamble. The wireless device transmits (120) the PRACH preamble with a power level determined based on the indication included in the received PRACH order.

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.

Embodiments of the subject application relate to methods and apparatuses for a relay path establishment and a relay change in a multi-path case. According to an embodiment of the subject application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured to: receive a radio resource control (RRC) reconfiguration message for path addition via the transceiver from a network, wherein the RRC reconfiguration message for path addition includes an identifier (ID) of a relay UE; start a timer for a path addition procedure upon reception of the RRC reconfiguration message; and receive a message associated with a link between the relay UE and the network.

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.

A method can include receiving, by a wireless device, radio resource control (RRC) messages that include parameters of a multicast and broadcast service (MBS). The parameters can include a discontinuous reception (DRX) hybrid automatic repeat request (HARQ) round trip time (RTT) timer; a DRX retransmission timer; and a feedback indicator indicating whether HARQ feedback is enabled. The method can also include receiving a group common downlink control information (DCI) scheduling a transport block (TB) of the MBS. The method can further include, in response to the feedback indicator indicating that HARQ feedback is enabled: transmitting a HARQ feedback with a negative value based on the TB being unsuccessfully decoded; and starting the DRX HARQ RTT timer after transmitting the HARQ feedback. The method can additionally include starting the DRX retransmission timer based on an expiry of the DRX HARQ RTT timer.

A communication method executed by a user equipment in a mobile communication system for providing a Multicast / Broadcast Service (MBS) includes the steps of: performing multicast reception in a Radio Resource Control (RRC) inactive state based on a multicast configuration received from a network through dedicated signaling; determining to access the network for update of the multicast configuration in response to determination that the update is necessary; and determining whether to apply or skip access control for restricting the access, based on configuration information from the network.

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.

Provided is a method for a user equipment (UE). The method includes detecting a status of a Global Navigation Satellite System (GNSS) position fix for the UE; in accordance with a determination that the GNSS position fix for the UE is invalid, generating, for transmission to a network device, a first GNSS measurement parameter including a first GNSS measurement periodicity and a first GNSS measurement gap; receiving, from the network device, a second GNSS measurement parameter including a second GNSS measurement gap; and performing a GNSS measurement based on the received second GNSS measurement parameter, for acquiring a valid GNSS new position fix, wherein the UE remains in Radio Resource Control (RRC)_Connected mode.

A wireless device receives one or more radio resource control (RRC) messages indicating a plurality of control resource set (CORESET) groups and a plurality of sounding reference signal (SRS) resource sets. Each of the plurality of CORESET groups corresponds to a respective SRS resource set of the plurality of SRS resource sets. The wireless device receives, via a CORESET of a CORESET group of the plurality of CORESET groups, a downlink control information (DCI) scheduling transmission of an uplink signal. The wireless device determines an SRS resource set, from the plurality of SRS resource sets, corresponding to the CORESET group comprising the CORESET. The wireless device transmits the uplink signal based on an SRS resource in the SRS resource set.

A WTRU operating in an inactive state may be associated with a first cell. The WTRU may be configured to receive configuration information for a time period associated with small data transmission failure detection and a search space associated with small data transmission. The WTRU may be configured to send a first small data transmission and start the time period. The WTRU may be configured to monitor for a downlink transmission in the search space during the time period. If a condition for cell reselection is satisfied during the time period or the restarted time period, the WTRU may be configured to suspend a data radio bearer (DRB) associated with small data transmission, select a second cell, perform a random access procedure associated with the second cell, and send a small data transmission. The random access procedure may include sending a request to resume a radio resource control (RRC) connection.

A method by which a first device performs wireless communication and a device for supporting same are provided. The method can comprise the steps of: transmitting a random access preamble to a base station; receiving, from the base station, a random access response message related to the random access preamble; transmitting, to the base station, a radio resource control (RRC) setup request message on the basis of the random access response message; receiving, from the base station, an RRC setup message as a response to the RRC setup request message; and receiving, from the base station, an RRC message including a setup related to a Uu bandwidth part (BWP) and a setup related to a sidelink (SL) BWP, wherein first device cannot perform SL communication through the SL BWP on the basis of the fact that the numerology of the Uu BWP and the numerology of the SL BWP are different.

Various aspects of the present disclosure relate to quality of experience (QoE) measurements collection supported by a user equipment (UE). The UE receives a request for QoE measurements collection capabilities supported by the UE, and transmits an indication of a maximum access stratum (AS) layer buffer size capability for storing the QoE measurements in a radio resource control (RRC) idle state. The UE receives a configuration for collecting the QoE measurements for at least one multicast broadcast service (MBS). A base station transmits the request for the QoE measurements collection capabilities supported by the UE, and receives the indication of the maximum AS layer buffer size capability of the UE for storing the QoE measurements in the RRC idle state. The base station transmits the configuration of the UE for collecting the QoE measurements for the at least one MBS.

A wireless device receives one or more radio resource control (RRC) messages comprising one or more configuration parameters for user-equipment (UE)-initiated channel state information (CSI) reporting. Based on whether the one or more configuration parameters indicating, for an active uplink bandwidth part (BWP), a physical uplink control channel (PUCCH) resource used for the UE-initiated CSI reporting, determining to measure a reference signal for event instances of the UE-initiated CSI reporting. Based on a number of the event instances being equal to, or greater than, a value, transmitting, via the PUCCH resource, a PUCCH transmission for a UE-initiated CSI report.