2386 results about "Discontinuous reception" patented technology

A method can include receiving, by a wireless device, one or more discontinuous reception (DRX) configuration parameters indicating: a first DRX cycle; a DRX slot offset; and a DRX on-duration timer. The method can also include determining, for starting the DRX on-duration timer, a DRX cycle. The DRX cycle can be the first DRX cycle, based on the one or more DRX configuration parameters not indicating the second DRX cycle with the non-integer value. Alternatively, the DRX cycle can be the second DRX cycle, based on the one or more DRX configuration parameters indicating the second DRX cycle with the non-integer value. A parameter of the one or more DRX configuration parameters can indicate the non-integer value of the second DRX cycle. The method can further include starting, after the DRX slot offset from a subframe determined based on the DRX cycle, the DRX on-duration timer.

Apparatuses and methods for monitoring of a physical downlink control channel (PDCCH) providing a network operation state. A method performed by a user equipment (UE) receiving first information related to one or more sets of parameters associated with respective one or more cell discontinuous transmission (DTX) or cell discontinuous reception (DRX) configurations on a cell, receiving second information related to a reception of an indication for activation or deactivation of the cell DTX or the cell DRX and receiving the indication. The sets of parameters include periodicity, start offset, and an on-duration timer. The method further includes determining an active period and an inactive period of the cell DTX or cell DRX based on the indication and the first information or an active period and receiving or transmitting channels or signals on the cell based on the determined active and inactive periods of the cell DTX or the cell DRX.

Methods, apparatus and systems for scheduling and transmission of system information in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication node is disclosed. The method comprises: transmitting, to a first wireless communication device having a first device type, a first configuration associated with the first device type for the first wireless communication device to perform paging occasion monitoring, wherein a device having the first device type is a reduced capability device or is configured with extended discontinuous reception (eDRX); and transmitting, to a second wireless communication device having a second device type, a second configuration associated with the second device type for the second wireless communication device to perform paging occasion monitoring, wherein a device having the second device type is not a reduced capability device and not configured with eDRX.

A first apparatus including a processor; and a memory storing computer-executable instructions that when executed by the processor cause the first apparatus to: receive, from a second apparatus, information including Discontinuous Reception (DRX) configurations, wherein one of the DRX configurations is a first active DRX configuration and other DRX configurations are candidate DRX configurations; perform Physical Downlink Control Channel (PDCCH) monitoring in accordance with the first active DRX configuration; monitor signaling from the second apparatus for an indication that is used for adapting the first active DRX configuration; receive from the second apparatus an indication for adapting the first active DRX configuration into a second active DRX configuration; based on the indication for adapting the first active DRX configuration into the second active DRX configuration, adapt the first active DRX configuration into the second active DRX configuration; and perform PDCCH monitoring in accordance with the second active DRX configuration.

Provided are a method by which a first device performs wireless communication and a device supporting same. The method may comprise the steps of: obtaining sidelink discontinuous reception (SL DRX) configuration comprising information relating to active time; obtaining a first reference signal received power (RSRP) threshold for resource selection in the active time; obtaining a second RSRP threshold for resource selection; triggering resource selection in a slot; determining a selection window on the basis of which the resource selection is triggered; determining at least one first candidate resource in the active time in the selection window, on the basis of the first RSRP threshold; determining at least one second candidate resource in the selection window on the basis of the second RSRP threshold; and selecting a transmission resource from among the at least one first candidate resource and at least one second candidate resource, on the basis of which (i) the number of at least one first candidate resource is a first threshold or more and (ii) the number of at least one second candidate resource is a second threshold or more.

Method carried out in an access node (121) of a wireless network (100) for managing configuration of discontinuous reception, DRX, for a user equipment, UE (10), said DRX configuration comprising ON durations repeated with a DRX cycle, wherein the method comprises: obtaining (520) adjusted timing for a next ON duration, based on traffic information of data for the UE; transmitting (540), to the UE, information (PAR) identifying the adjusted timing; and transmitting (550) the data to the UE in the next ON duration according to the adjusted timing.

Various solutions for network power saving with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a power saving indication. The apparatus may obtain power saving information according to the power saving indication. The power saving indication may comprise at least one of a discontinuous reception (DRX) switch indicator for switching between a user equipment (UE)-specific-DRX (U-DRX) and a group-specific-DRX (G-DRX), an energy saving mode (EMS) indication, a list of synchronization signal block (SSB) or channel state information-reference signal (CSI-RS) resources, and a set of transmission configuration indication (TCI)I states or RS resource indexes.

The present application relates to devices and components including apparatuses, systems, and methods for technologies for managing discontinuous reception timers in wireless networks.

Methods, systems, and devices may assist in power saving in new radio. For example, enable power savings during the connected mode discontinuous reception cycle of the RRC_CONNECTED state of a user equipment.

A method for paging monitoring is performed by a terminal. The method includes: determining, according to a determination result of whether a cell where the terminal in a radio resource control (RRC) unconnected state resides supports an enhanced discontinuous reception (eDRX) in the RRC unconnected state, a paging cycle for the terminal in the RRC unconnected state to perform a paging monitoring in the cell; wherein the terminal is pre-configured with an eDRX parameter for performing the paging monitoring based on the eDRX in the RRC unconnected state.

Example embodiments of the present disclosure relate to Layer 1 / Layer 2 (L1 / L2) Triggered Mobility (LTM) interworking with Cell Discontinuous Transmission (DTX) / Discontinuous Reception (DRX) at a target cell. According to one or more embodiments, a system may include a distributed unit (DU) that may be configured to determine, based on an active duration of a Cell DTX / DRX cycle associated with an inter-frequency cell, an optimal measurement gap (MG). Further, the DU may be configured to provide, to a user equipment (UE), information of the optimal MG, wherein the information of the optimal MG may be utilized by the UE to perform an inter frequency measurement.

A user equipment (UE), including a vehicle to everything (V2X) device, a pedestrian UE, or other UE, a baseband processor or other network device can operate to receive an indication of a sidelink (SL) discontinuous reception (DRX) parameter (e.g., an SL DRX active time) of a receiver UE for SL communication (e.g., Mode-2 SL communication). A resource selection procedure can be performed of a set of candidate resources within a resource selection window (RSW) based on the SL DRX parameter of the receiver UE so that at least a subset of candidate resources of the set of candidate resources satisfies a threshold to be within the SL DRX parameter of the receiver UE. A report of the set of candidate resources can then be transmitted from the physical (PHY) layer to a higher layer to enable the SL communication. The SL communication, for example, can include an autonomous determination of SL resources for a Mode-2 sidelink communication.

Embodiments of the subject application relate to methods and apparatuses of a power saving mechanism for extended reality (XR) traffic. 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 first configuration for one or more serving cells in a discontinuous reception (DRX) group via the transceiver from a network, wherein the first configuration includes at least one of: DRX cycle information used for determining a non-integer length value of a DRX cycle; or DRX start offset information which indicates an offset value related to a reference system frame number (SFN) in a time domain; and determine first start timing of an on-duration window for the DRX group in the time domain according to at least one of the DRX cycle information or the DRX start offset information.

A method for a user equipment (UE) apparatus to reduce power consumption in response to an outcome of a signal reception. The outcome can indicate whether or not the UE needs to be active at a next discontinuous reception (DRX) cycle. The signal can also provide configurations of parameters for transmissions or receptions during the next DRX cycle and be used by the UE for measurements and to obtain channel state information.

Provided are a method and apparatus for performing cell DTX and / or cell DRX in a wireless communication system. The method may include receiving cell discontinuous transmission (DTX) and cell discontinuous reception (DRX) configuration information, receiving an activation operation of cell DTX and / or cell DRX based on the cell DTX and cell DRX configuration information, and monitoring a physical downlink control channel (PDCCH) after performing the activation operation of the cell DTX and / or the cell DRX, in which the monitoring of the PDCCH is performed based on active time of the cell DTX.

A method performed by a user equipment (UE) includes: receiving, from an access network node, information for indicating a start offset of an on-duration period of a discontinuous reception (DRX) cycle relative to a specific system frame number (SFN), and non-integer number of milliseconds of the on-duration period of the DRX cycle, the non-integer number of milliseconds corresponding to a video frame rate; and configuring the on-duration period of the DRX cycle based on the information.

An access network device receives first information from an access and mobility management function network element. The first information carries a data size of downlink data of a terminal device buffered in a user plane function network element or a session management function network element, the terminal device is in an inactive state, and an extended discontinuous reception cycle is configured by the access network device for the terminal device. The access network device determines, based on the data size of the downlink data, that the downlink data is small data. The access network device sends a first indication to the terminal device, to indicate the terminal device to perform small data transmission, and a second indication to the user plane function network element, to indicate the user plane function network element to send the small data to the access network device.

A method for enabling a wireless communication device to access services provided by a Radio Access Network, a user equipment (UE), a base station (BS) and a non-transitory computer readable storage medium are provided. In the method, a discontinuous reception (DRX) cycle is configured with a DRX ON period for transmission of at least one of control information or data and a DRX OFF period during which the transmission is suspended, and specifically the DRX cycle is a specific DRX cycle having a non-integer duration. This can eliminate a mismatch between burst arrival interval and the DRX cycle to adapt the EXtended Reality (XR) / Cloud Gaming (CG) traffic, for example.

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method for handling network energy saving (NES) in a wireless network is provided. The method includes receiving, by a user equipment (UE) a radio resource control (RRC) reconfiguration message from a network entity, wherein the RRC reconfiguration message includes at least one of a cell discontinuous reception (Cell-DRX) configuration and a cell discontinuous transmission (Cell-DTX) configuration for at least one serving cell, performing at least one of an activation and deactivation for at least one of the Cell-DRX configuration and the Cell-DTX configuration by at least one of the RRC reconfiguration message and a downlink control information (DCI) termed as DCI X, and handling the NES in the wireless network upon performing at least one of the activation and deactivation for at least one of the Cell-DRX configuration and the Cell-DTX configuration.

Embodiments include methods for a user equipment (UE) configured to operate in a wireless network according to a discontinuous reception (DRX) configuration comprising periodic DRX on durations. Such method include awakening for a first duration from a low energy consumption state. The first duration is outside of the periodic DRX on durations, or within but shorter than one of the periodic DRX on durations. Such methods include. during the first duration, monitoring a semi-persistent physical downlink control channel (SP-PDCCH) from the wireless network for downlink control information (DO) intended for the UE. Other embodiments include complementary methods for a network node. as well as UEs and network nodes configured to perform such methods.

A base station is configured to transmit wake-up signals to a user equipment to wake-up the UE to receive a page from the base station. The base station transmits one or more synchronization signals, wherein the synchronization signals correspond to a wake-up signal (WUS) that is to be transmitted to a user equipment (UE) operating in a paging discontinuous reception (DRX) cycle, wherein the paging DRX cycle includes a paging occasion (PO) and transmits the WUS to the UE during a WUS occasion, wherein the WUS indicates whether the UE is to utilize an active mode or a sleep mode during the PO.

Embodiments of the present disclosure provide an apparatus and method for beam failure recovery between a UE and a base station operating in a discontinuous reception (DRX) mode. In an embodiment, the UE receives a frame from a base station for determining a radio link quality of a physical downlink control channel (PDCCH). The UE determines whether the frame is received only during the DRX ON state of the DRX mode and that the radio link quality of the PDCCH is less than an acceptable quality threshold. In response, the UE transmits a recovery message to the base station indicating a change to a communication beam used to receive the frame.

Methods and apparatus for Timing Advance (TA) validation are disclosed. In some embodiments, a method for wireless communication at a user equipment (UE) comprises receiving, from a base station, configuration information, where the configuration information specifying a configured grant (CG)-small data transfer (SDT) resource available for use by the UE and specifying a configuration for a Reference Signal Received Power (RSRP) change-based TA validation method to be met in order to perform a SDT while in the RRC inactive state, the RSRP change-based TA validation method having configured TA validation criteria that is evaluated based on two measurement windows for timing advance (TA) validation, and at least one boundary of at least one of the two measurement windows for TA validation is based on a minimum of either a Frequency Range 2 (FR2) measurement period and a scaled Discontinuous Reception (DRX) cycle period, existing at time of TA validation criteria evaluation.

Aspects of the present disclosure disclose techniques and apparatuses for beam prediction and configuration of a beam prediction module. Beam prediction can reduce overhead and latency in wireless communication. A wireless communication device can select one or more beams based on beam prediction or beam measurements. A wireless apparatus can communicate with a network entity using a first beam set. The wireless apparatus can communicate with the network entity using a second beam set that is predicted using a beam prediction model based on at least in part the first beam set. The wireless apparatus can change the beam prediction model in response to a change of a prediction condition that includes at least one of a discontinuous reception (DRX) mode of the UE, a change in UE mobility, a prediction error of the beam prediction model, or an interference level.

A radio access network node configured for DRX off mode operation may schedule configured grants for a user equipment to occur during one or more DRX OFF mode periods. The node may transmit to one or more user equipment a configured grant activation configuration indicative of a configured grant control channel resource to be available during discontinuous reception OFF periods. The configured grant activation configuration may comprise a scrambling code corresponding to a user equipment usable by the user equipment to receive updates to the configured grant activation configuration. The user equipment may request, via a configured grant activation control channel resource configured by the configured grant activation configuration, overriding of a DRX OFF period to activate one or more scheduled configured grant occasions that overlap one or more DRX OFF periods. The user equipment may transmit uplink traffic to the node via one or more activated configured grant occasions.

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.

An operation method of a first user equipment (UE) according to an embodiment of the present disclosure comprises transmitting a physical sidelink control channel (PSCCH) to a second UE based on a resource based on a first resource allocation mode, transmitting a physical sidelink shared channel (PSSCH) to the second UE based on the resource based on the first resource allocation mode, based on the resource based on the first resource allocation mode being not included in a sidelink discontinuous reception (SL DRX) active time of the second UE, switching a resource allocation mode from the first resource allocation mode to a resource allocation mode 2, and retransmitting a physical sidelink control channel and the PSSCH to the second UE based on a resource based on the resource allocation mode 2.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information indicating a plurality of discontinuous reception (DRX) configurations. The UE may communicate in accordance with a selected DRX configuration of the plurality of DRX configurations, wherein the selected DRX configuration is associated with one or more criteria comprising at least one of: a buffer status threshold, a delay status threshold, a power consumption threshold, or an active bandwidth part condition of the UE. Numerous other aspects are described.

Provided is method for sidelink resource selection, which is applicable to a first terminal device. And the method includes: selecting at least N transmission resources within a first time range, N being an integer greater than or equal to 1; wherein the first time range comprises an intersection of a link monitoring period and a resource selection period, the link monitoring period being determined based on discontinuous reception (DRX) configuration, and the resource selection period being a time period in which the first terminal device performs resource selection.

Various solutions for improvement of network energy saving with user equipment data scheduling are described. An apparatus may receive a system information block (SIB) from a network node of a wireless network. The SIB indicates at least one cell-specific discontinuous reception (DRX) parameter set. The apparatus may determine one of the at least one cell-specific DRX parameter set based on the SIB. The apparatus may apply the one of the at least one cell-specific DRX parameter set to a DRX procedure.