616 results about "Discontinuous transmission" patented technology

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.

A method in a sidelink, SL, user equipment, UE, configured with SL carrier aggregation, CA, to handle SL radio link failure, RLF, per SL carrier includes monitoring at least one of radio channel quality, radio link control, RLC, transmission, or hybrid automatic repeat request, HARQ, discontinuous transmission, DTX, per SL carrier. The method includes for each SL carrier, responsive to determining there is a SL RLF in the SL carrier: reporting SL RLF to at least one peer SL UE using at least one SL carrier of SL carriers that are not failed in a SL carrier configuration associated with the SL carrier having the SL RLF; and when the SL UE is connected to a base station, gNB, reporting the SL RLF to the gNB.

An apparatus and system are described for reducing user equipment (UE) power consumption after a 5th generation NodeB (gNB) indicates transition to a power saving mode. Different configurations and rules for the UE to identify and use monitoring or transmission occasions within the PSM active time, as well as modification of UE timers during the PSM, are provided. Discontinuous transmission (DTX) and reception (DRX) configurations are signaled to the UE and contain periodicity, start slot / offset, and on duration, as well as activation of the configurations by downlink control information (DCI). UE reporting and paging based on the configurations are provided when light synchronization system block (SSB) transmission or discovery reference signal transmission is used by the gNB.

The present disclosure relates to a user equipment comprising the following. Processing circuitry of the UE operates a monitoring function that involves monitoring for reception of a first downlink control information, DCI, message on a downlink control channel, wherein the first DCI message is for informing the UE on activation or deactivation of a network-side discontinuous transmission and / or reception, DTX / DRX, function. The processing circuitry monitors for reception of the first DCI message in one or more monitoring occasions during a first DCI monitoring window associated with a network active time period of the network-side DTX / DRX function. The processing circuitry monitors for reception of the first DCI message in one or more monitoring occasions during a second DCI monitoring window associated with said network active time period, said second DCI monitoring window being subsequent to the first DCI monitoring window.

A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives an indication of activation of Cell Discontinuous Transmission (DTX), wherein the Cell DTX is associated with one or more active periods and one or more non-active periods, and the UE is configured with a plurality of Channel State Information Reference Signal (CSI-RS) resources for deriving a CSI report. The UE determines whether to transmit the CSI report based on whether the UE receives a CSI-RS in an active period of the one or more active periods associated with the Cell DTX.

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.

Various aspects of the present disclosure relate to receiving, from a network entity, a cell discontinuous transmission and / or reception (DTX / DRX) configuration for a plurality of serving cells. Aspects of the present disclosure may relate to receiving a downlink control information (DCI) signal for a serving cell corresponding to at least the cell DTX / DRX configuration, wherein the DCI further comprises an indication of a cell turn-off. Aspects of the present disclosure may further relate to performing a cell search based at least in part on the cell turn-off and the cell DTX / DRX configuration.

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.

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.

A wireless device can receive a group common DCI indicating a cell discontinuous transmission (DTX) configuration of a cell is enabled. The wireless device can measure reference signals, of the cell, during a measurement time period. The measurement time period can be determined based on a cell DTX period of the cell DTX configuration in response to the cell DTX being configured and enabled.

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 Method and Apparatus for discontinuous reception and discontinuous transmission are provided. The method includes receiving a radio resource control (RRC) reconfiguration message and performing transmission of CSI report on a specific serving cell. In case that the first timer of the specific serving cell is not running, the terminal performs transmission of a first type CSI report on the serving cell, does not perform transmission of a second type CSI report on the serving cell, and does not perform transmission of a third type CSI report on the serving cell. The RRC reconfiguration message comprises channel status information (CSI) report configuration, one or more first DRX configurations and a second DRX configuration.

A method can include receiving one or more radio resource control (RRC) messages. The messages can include physical downlink control channel (PDCCH) skipping durations; parameters of cell discontinuous transmission (cell DTX) configuration; and other parameters of a PDCCH for a downlink control information (DCI) indicating an activation / deactivation of the cell DTX configuration. The method can also include receiving, based on the other parameters, a DCI indicating the activation of the Cell DTX configuration comprising a cell DTX active time and a cell DTX inactive time. The method can further include receiving another DCI indicating a PDCCH skipping duration, of the PDCCH skipping durations. The method can additionally include starting PDCCH skipping after receiving the another DCI and terminating, in response to the cell DTX configuration being activated by the DCI, the PDCCH skipping when entering outside the cell DTX active time of the cell DTX configuration.

A wireless device receives one or more parameters indicating a plurality of sidelink carriers, a discontinuous transmission (DTX) threshold value, and a channel busy ratio (CBR) threshold value for a sidelink carrier selection procedure. The wireless device selects one or more first sidelink carriers from the plurality of sidelink carriers. The wireless device determines that the number DTXs on at least one sidelink carrier is equal to the DTX threshold value. Based on the determining, the wireless device triggers the sidelink carrier selection procedure and transmits a message indicating the at least one sidelink carrier. The wireless device selects, during the triggered sidelink carrier selection procedure and based on a CBR being below the CBR threshold value, a third sidelink carrier from the plurality of sidelink carriers. The wireless device transmits, to the second wireless device, a sidelink transport block (TB) via the third sidelink carrier.

Systems, methods, and instrumentalities are described herein for positioning in energy saving networks associated with time domain impact of dynamic cell discontinuous transmission (DTX) / Cell Turn Off on positioning reference signal (PRS) measurements. PRS measurement configurations may change, for example, based on a cell entering an active network energy savings (NES) state. For example, a PRS measurement configuration associated with an active NES state may be used (e.g., switched to) based on a cell entering active NES state (e.g., indication of a cell entering active NES state). The PRS measurement configuration associated with the active NES state may be used ensure correct PRS measurements and / or ensure correct reporting of PRS measurements associated with the active NES state.

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.

The invention relates to the technical field of wireless communication, in particular to a communication method and device. In the communication method, a network device sends target indication information in a target time period within an active time period of first discontinuous transmission of a first cell. And the terminal equipment receives the target indication information in the target time period, and activates / deactivates the first discontinuous transmission of the first cell according to the target indication information. By adopting the communication method provided by the invention, the transmission times of the target indication information for indicating the activation / deactivation of the first discontinuous transmission of the first cell can be effectively reduced, so that the power consumption of a communication system where the network equipment and the terminal equipment are located is reduced.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may transmit, in a first slot within a channel occupancy time (COT), a first communication; determine whether one or more transmission criteria are satisfied for transmission of a second communication in a second slot within the COT; and selectively transmit the second communication in the second slot within the COT based at least in part on a result of determining whether the one or more transmission criteria are satisfied. Numerous other aspects are provided.

The embodiments of the present disclosure provide a signal determination method and apparatus, a communication device, and a storage medium. A user equipment (UE) determines, according to a communication protocol specification or configuration information of a network device, whether a wake-up signal associated with discontinuous transmission of a cell is valid or invalid.

Method, device and computer program product for wireless communication are provided. A method includes: detecting a consistent listen-before-talk, LBT, failure for a sidelink transmission; and performing at least one of the following operations in response to the consistent LBT failure for the sidelink transmission being detected: reselecting a sidelink resource for the sidelink transmission; transmitting, to a second wireless communication terminal, a request of a channel occupancy time, COT, message; resetting one or more sidelink consecutive Discontinuous Transmission, DTX, counters for one or more destination IDs associated to at least one of a failed sidelink resource or a failed sidelink carrier; or resetting or restarting one or more radio resource control, RRC, reconfiguration related timers for one or more destination IDs associated to at least one of a failed sidelink resource or a failed sidelink carrier.

A sidelink (SL) wireless transmit and receive unit (WTRU) may be configured establish a unicast link with a peer WTRU allowing use of a plurality of SL carriers and transmits data, on at least a first SL carrier to the peer WTRU. The WTRU determines a carrier-specific SL radio link failure (RLF) of the first SL carrier based on a number of detected consecutive hybrid automatic repeat request (HARQ) discontinuous transmissions (DTXs) exceeding a threshold HARQ DTX count and performs a SL carrier reselection procedure to select a second SL carrier, excluding SL carriers determined with carrier-specific SL RLF. The WTRU transmits, to the peer WTRU on one of the plurality of SL carriers without carrier-specific SL RLF, an indication of the carrier-specific RLF of the first SL carrier. If no SL available SL carrier remains, the WTRU releases the unicast link with the peer WTRU. Additional embodiments are disclosed.

An apparatus and system for reducing user equipment (UE) power consumption after a fifth generation Node B (gNB) indicates a transition to a power saving mode is described. Different configurations and rules are provided for the UE to identify and use monitoring or transmission opportunities within the PSM active time as well as modifications to the UE timer during the PSM. A discontinuous transmission (DTX) configuration and a discontinuous reception (DRX) configuration are signaled to the UE and include periodicity, start slot / offset, and on duration and downlink control information (DCI) activation of these configurations. When the gNB uses light synchronization system block (SSB) transmission or discovery reference signal transmission, UE reporting and paging based on these configurations are provided.

Methods, systems, and devices for wireless communication are described. A communication device supports sidelink communication, including device-to-device (D2D) communication and vehicle-based communication. The communication device receives a discontinuous transmission (DTX) configuration for a sidelink connection between the communication device and another device from the other device. Based on the received DTX configuration, the communication device determines a discontinuous reception (DRX) configuration and transmits the determined DRX configuration to the other device. The devices experience power savings and other results based on the DTX configuration or the DRX configuration.

A method can include receiving, by a wireless device, one or more radio resource control (RRC) messages indicating configuration of a cell discontinuous transmission (DTX) of a cell. The RRC message includes a parameter. A first value of the parameter indicates that the cell DTX is activated for the cell. A second value of the parameter indicates that the cell DTX is deactivated for the cell. Based on the parameter having the first value indicating that the cell DTX is activated for the cell, the method can include monitoring physical downlink control channels (PDCCHs) of the cell during a cell DTX active period of the cell DTX.

Disclosed are devices, methods, apparatuses, and computer readable media for synchronization signal block measurement. An example apparatus for a terminal device may include at least one processor and at least one memory. The at least one memory may store instructions that, when executed by the at least one processor, may cause the terminal device at least to: receive, from a network device serving the terminal device, a configuration for discontinuous transmission defining an active period and a non-active period of a cell associated with the network device; determine whether to perform a synchronization signal block measurement during the non-active period based on a first condition and a second condition different from the first condition; based on said determining, if the first condition is satisfied, perform the synchronization signal block measurement during the non-active period; and based on said determining, if the second condition is satisfied, refrain from performing the synchronization signal block measurement during the non-active period.

A method performed by UE for reducing latency. The method includes receiving first configuration information for at least a first uplink (UL) resource, the first UL resource used to access a wireless network and associated with a network node operating in discontinuous transmission and reception (DTRX). The method also includes receiving second configuration information for at least a second UL resource, the second UL resource also used to access the wireless network. The method further includes accessing the wireless network using the second UL resource when the first UL resource is in an off period of the DTRX.

The embodiment of the invention discloses a communication method, which is mainly applied to a scene in which a low power wake up signal (LP-WUS) is combined with a discontinuous transmission (DTX) / discontinuous reception (DRX) of a cell, and is characterized in that the communication method is applied to the scene in which the low power wake up signal (LP-WUS) and the DTX (discontinuous transmission) / DRX (discontinuous reception) of the cell are combined. In the method, the terminal equipment can transmit a third signal in a first activation time period even if the terminal equipment is out of a cell DTX or cell DRX activation time period in the first activation time period activated by a low-power-consumption wake-up signal. Or the limitation of the DTX / DRX of the cell on the transmission signal in the first activation time period corresponding to the wake-up signal is removed, and the power consumption of the terminal equipment, the service experience and the power consumption of the network equipment are considered.

Various aspects of the present disclosure relate to receiving (802) a. cell discontinuous transmission and / or reception (DTX / DRX) configuration for a plurality of serving cells. Aspects of the present disclosure may relate to receiving (804) a downlink control information (DCI) signal for a serving cell corresponding to at least the cell DTX / DRX configuration, where the DCI further includes an indication of a cell turn-off. Aspects of the present disclosure may further relate to performing (806) a cell search based at least in part on the cell turn-off and the cell DTX / DRX configuration.

An energy-saving method includes: a terminal receives first configuration information sent by a network device. The first configuration information is for configuring a cell Discontinuous Transmission (DTX) and / or a cell Discontinuous Reception (DRX).

A Method and Apparatus for discontinuous reception and discontinuous transmission are provided. The method includes receiving a radio resource control (RRC) reconfiguration message, receiving a downlink control information, wherein the downlink control information comprises two or more blocks, determining a first block for the first serving cell based on the first parameter for the first serving cell, and deactivating cell discontinuous trans mission (DTX) of the first serving cell in case that a first part of the first block is set to a specific value. Size of the first parameter for the first serving cell is configurable based on a second parameter.