1575 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.

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.

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.

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.

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.

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.

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 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.

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.

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.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may report, from a first layer of the UE to a second layer of the UE, a failure to receive an activation message or a deactivation message associated with a cell discontinuous operation in accordance with information differentiating a first communication during active periods of the cell discontinuous operation from a second communication outside of the active periods. The UE may transmit, to a network entity, a message indicating the failure to receive the activation message or the deactivation message. Additionally, or alternatively, the UE may change an activation status of a cell discontinuous transmission (DTX) or discontinuous reception (DRX) configuration at the UE based on the reporting of the failure to receive the activation message or the deactivation message.

A user equipment (UE) may comprise: receiving a UE-specific discontinuous reception (DRX) configuration and a cell-specific DRX configuration; performing first predetermined operations during a first active time according to the cell-specific DRX configuration; and performing second predetermined operations during a time other than the first active time according to the cell-specific DRX configuration.

A method for managing measurement gaps. A base station transmits, to a user equipment (UE), a configuration for enabling transmission and reception during measurement gaps (MGs) of the UE. The base station transmits a dynamic configuration in a Downlink Control Information (DCI) format for skipping measurements by the UE during a measurement gap. The dynamic configuration includes at least one of a one-bit indication for indicating whether to skip a measurement gap, a priority level assigned to the MGs, a priority level assigned to configured grants (CGs), a priority level for a discontinuous reception (DRX) configuration, or a skip type indicator. The one-bit indication corresponds to the measurement gap occurring after a predetermined time offset from reception of the DCI format.

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.

A wireless device receives one or more configuration parameters for a two-step random access channel (RACH) procedure. The wireless device transmits, based on the configuration parameters, a message, for the two-step RACH, comprising a preamble and a transport block. The wireless device receives, during a discontinuous reception (DRX) active time of a DRX operation of the wireless device, a response to the message. The DRX active time may be based on a time window for receiving the response to the message. The time window may start at least one symbol after a transmission occasion of the transport block.

Techniques, described herein, include solutions for enabling inter-user equipment (UE) coordination (IUC) using media access control (MAC) control elements (CE). A first UE may send an IUC request to a second UE, and the second UE may respond with a MAC CE that includes IUC information. The IUC information may indicated one or more wireless resources that the first UE may use to communicate with the second UE. The IUC information may also include a time-domain validity for wireless resources, which may include one or more durations of time the wireless resources may be used for communication. The first UE may also implement a latency bound during which the second UE is to respond with the IUC information. In some implementations, discontinuous reception (DRX) may be used by the first and second UEs, and DRX active times of the UEs may be modified or configured to facilitate IUC.

The efficient usage of receivers for paging-early-indication (PEI) reception in a user equipment (UE) is described. The UE determines to use a wake-up receiver (WUR) as the primary receiver for monitoring PEO when waking up in Discontinuous Reception (DRX). The WUR consumes less power than a main receiver of the UE. The UE detects, at the WUR, a PEI and activates the main receiver of the UE for monitoring a paging occasion (PO). Responsive to determining that a condition for using the WUR as the primary receiver for monitoring PEI when waking up in DRX is not satisfied. the UE switches to using the main receiver as the primary receiver for monitoring PEI when waking up in DRX and not using the WUR for monitoring PEI.

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.

Disclosed is a discontinuous reception method, comprising: when a hybrid automatic repeat request (HARQ) function of an uplink HARQ process used for the transmission of uplink data is in a disabled state, after receiving an instruction to schedule a physical downlink control channel (PDCCH) for the transmission of the uplink data, and / or after sending a physical uplink shared channel (PUSCH) that carries the uplink data, a terminal device operating a discontinuous reception uplink retransmission timer corresponding to the uplink HARQ process. Further disclosed are another discontinuous reception method, a terminal device and a storage medium.

A system and method for wireless communication are disclosed herein. One embodiment includes a wireless communication node configuring a plurality of carriers and selecting one of the plurality of carriers for sending a paging message to a wireless communication device based on a Discontinuous Reception (DRX) parameter specific for the wireless communication device. An alternate embodiment includes a wireless communication device selecting one of a plurality of carriers for receiving a paging message to a wireless communication device based on a Discontinuous Reception (DRX) parameter specific for the wireless communication device.

A user equipment (UE) performs a method for monitoring paging from a non-terrestrial network (NTN). The UE receives via the NTN (i) a configuration for the UE to monitor paging messages from the NTN during a paging time window (PTW) while the UE operates in a non-connected state, and (ii) an PTW extension indication indicating that the UE is allowed to adjust the PTW. The UE modifies the PTW based on at least one NTN coverage time interval during which the UE has NTN coverage. The UE then modifies the PTW based on at least one NTN coverage time interval during which the UE has NTN coverage.

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.

Provided are a discontinuous reception (DRX) operation method of a terminal in a wireless communication system and an apparatus applying the method. The method comprises the steps of: receiving, from a base station, first configuration information which indicates a monitoring occasion for detecting first DCI comprising information that indicates whether the terminal has woken up; receiving, from the base station, second configuration information which indicates an operation to be applied to the terminal when the first DCI is not detected; monitoring a first PDCCH in order to detect the first DCI in the monitoring occasion; and when the first DCI fails to be detected in the monitoring occasion, monitoring a second PDCCH for detecting not the first DCI but second DCI in a next DRX-on duration on the basis of the second configuration information.

Systems, methods, apparatuses, and computer program products for beam management reporting in connected mode discontinuous reception (C-DRX) are provided. One method includes configuring a user equipment (UE) in connected mode discontinuous reception (C-DRX) with a timer that determines at least one of when the UE monitors physical downlink control channel (PDCCH) from channel state information reference signal (CSI-RS) based beams or when the UE monitors PDCCH from synchronization signal block (SSB) based beams.