4425 results about "Control channel" patented technology

A UE comprising: detecting, in a cell, a synchronization signal block (SSB) comprising a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH); acquiring, from the SSB, information related to whether system information block 1 (SIB1) is on-demand system information (SI); transmitting a SIB1 request on the basis that the SIB1 is the on-demand SI; on the basis of the SIB1 request, monitoring a physical downlink control channel (PDCCH) associated with the SIB 1; and, on the basis of detecting the PDCCH, receiving a physical downlink shared channel (PDSCH) for carrying the SIB1.

A method for small data transmission (SDT) in a power saving state and related devices are provided. The method, performed by a user equipment (UE), includes receiving a SDT configuration in a radio resource control (RRC) signaling; monitoring a downlink (DL) signaling including a mobile terminated (MT) indication in a physical downlink control channel (PDCCH) or paging occasion in the power saving state; and upon reception of the MT indication, receiving DL small data on an associated radio resource based on the SDT configuration without radio resource control (RRC) state transition. With this method, support with MT traffic transmission in the power saving state is realized.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure describes a method and apparatus for a terminal to determine a PUCCH transmission location in a frequency domain in an SBFD environment. The method performed by the terminal in a wireless communication system comprises the steps of: receiving subband non-overlapping full duplex (SBFD) configuration information from a base station, the SBFD configuration information including uplink subband configuration information; identifying a physical uplink control channel (PUCCH) resource on the basis of an uplink subband, which is based on the uplink subband configuration information, and an initial uplink bandwidth part (BWP); and transmitting uplink control information in the PUCCH resource.

A wireless device receives, via a serving cell, one or more radio resource control (RRC) messages comprising configuration parameters of a candidate cell for a layer 1 / 2 triggered mobility (LTM) procedure. The configuration parameters indicate a transmission power of a synchronization signal block (SSB) transmitted via the candidate cell. The wireless device receives a physical downlink control channel (PDCCH) order comprising a cell indicator indicating the candidate cell, an SSB index indicating the SSB of SSBs of the candidate cell, and a preamble index of a preamble. The wireless device transmits, via a physical random access channel (PRACH) occasion corresponding to the SSB of the candidate cell, the preamble using an uplink transmission power based on a measurement of a pathloss. The pathloss is determined based on the transmission power of the SSB, and a layer 3 filtered reference signal received power (RSRP) of the SSB.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message scheduling transmission, by the UE, of uplink control information (UCI) in a physical uplink control channel (PUCCH) resource. The UE may receive an indication that the UE is scheduled to transmit the UCI in the PUCCH resource to both a first transmission-reception point (TRP) and a second TRP. The UE may also receive a first set of uplink power control parameters for transmitting the UCI to the first TRP and a second set of uplink power control parameters for transmitting the UCI to the second TRP. The UE may transmit the UCI to the first TRP and to the second TRP in the PUCCH resource, based on the first set and the second set of uplink power control parameters, and without an uplink control channel beam indication.

Methods and apparatuses for radio frequency exposure mitigation via beam selection for random access procedure. A method for performing a random access (RA) procedure includes receiving information for a set of downlink reference signals (DL RSs). The method further includes determining: a set of DL reference signal received powers (RSRPs) corresponding to the set of DL RSs, a set of spatial filters corresponding to the set of DL RSs, a set of exposure levels corresponding to the set of spatial filters, a first DL RS from the set of DL RSs based on the set of DL RSRPs and the set of exposure levels, and a first spatial filter corresponding to the first DL RS. The method further includes transmitting a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), or a physical uplink control channel (PUCCH) using the first spatial filter.

Provided are a method by which a first device performs wireless communication and an apparatus supporting same. The method comprises the steps of: acquiring information related to a channel occupancy time (COT), the information related to the COT including information related to a condition for determining whether or not to share the COT; on the basis of whether or not the condition is satisfied, determining a type of channel access; and on the basis of the channel access, determining whether or not to perform sidelink (SL) transmission, wherein the SL transmission may include transmission of first sidelink control information (SCI) for scheduling of a physical sidelink shared channel (PSSCH) and second SCI, via a physical sidelink control channel (PSCCH), and transmission of the second SCI via the PSSCH.

A method performed by a user equipment, UE, the method comprising: executing (601) a serving cell change procedure from a source cell provided by a first network node to a target cell provided by a second network node, wherein the serving cell change procedure is performed using lower layer signalling; and in response to executing the serving cell change procedure, performing (602) one or more of: (i) transmitting a serving cell change indication to the second network node indicating that the serving cell change has been executed; (ii) monitoring a downlink control channel in the target cell for scheduling of user data in a downlink to the UE; and (iii) transmitting a scheduling request in the target cell for scheduling of user data in an uplink from the UE.

A method performed by a user equipment (UE) includes receiving, from a network node via a physical downlink control channel (PDCCH) or a higher layer signaling, a transmission configuration indication (TCI)-state indication for M TCI-states, where M>1. The method may also include applying the M TCI-states to transmission occasion or parts thereof of a physical channel according to a predetermined or indicated mapping of the M TCI-states or applying the M TCI-states to one or more reference signal (RS) resources or one or more RS resource sets according to a predetermined or indicated mapping of the M TCI-states.

Embodiments of the present disclosure relate to mechanisms for identifying and overcoming overlaps in LTE-V2X and NR-V2X sidelink resources for sidelink communications. In example embodiments, a user equipment performs sensing of reserved resources in both a first sidelink radio access technology resource pool and a second sidelink radio access technology resource pool. Based on the sensing, forming at least one candidate resource set identifying all resources that are free to be used by the first radio access technology resource pool, based on the indication that these are not being used for transmission by at least one other user equipment of the first sidelink radio access technology resource pool and identifying for each of the resources in the at least one candidate resource set corresponding resources to be used for a physical sidelink feedback channel of the first sidelink radio access technology resource pool. Based on the sensing, exclude from the at least one candidate resource set all the resources for which the physical sidelink feedback channel resource is identified to be reserved for the transmission by the at least one other user equipment of the first sidelink radio access technology resource pool and select a resource to be used for the transmission of a physical sidelink control channel and physical sidelink shared channel from the at least one candidate resource set.

Method, device and computer program product for wireless communication are provided. A method includes: receiving, by a second type wireless communication node from a first type wireless communication node, control information via repeatedly transmitted physical downlink control channels, PDCCHs, in one or more occasions.

There is disclosed a method for transmitting a physical uplink shared channel (PUSCH) to a base station by a user equipment in a wireless communication system. The user equipment may receive a first physical downlink control channel (PDCCH) including first downlink control information (DCI) from the base station, and release the activated configuration for repetitive transmission of the PUSCH based on the received DCI.

Systems, methods, apparatuses, and computer program products for enhancing dynamic CORESET adaptation with limited or no control channel overhead. One method may include receiving, by a UE, a plurality of PDCCH CORESET configurations associated with at least one SS; determining, by the UE, at least one of the PDCCH CORESET configurations is associated with a symbol or slot format from a corresponding set of symbols; and performing, by the UE, PDCCH monitoring on an active control resource set configuration associated with the set of determined slots or symbols.

Disclosed are a signal receiving method, a signal sending method, a device and storage medium. The signal receiving method comprises: in response to N control channels at a same time instance colliding, determining a priority of a quasi-co-location reference signal set of the N control channels according to a resource index of a control channel resource where each control channel of the N control channels is located and a feature of each control channel of the N control channels, wherein N is an integer greater than or equal to 2, the feature of each control channel indicates whether the control channel is a shared control channel or a dedicated control channel; and receiving one or more of the N control channels according to the determined priority of the quasi co-located reference signal set.

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 method for performing wireless communication by a first apparatus is proposed. The method may comprise the steps of: receiving a configured grant (CG) from a base station, wherein the CG includes information about a physical uplink control channel (PUCCH) resource associated with a sidelink; on the basis of the CG, transmitting a physical sidelink control channel (PSCCH) to a second apparatus; on the basis of the CG, transmitting, to the second apparatus, a physical sidelink shared channel (PSSCH) associated with the PSCCH, wherein SL hybrid automatic repeat request (HARQ) feedback is disabled; and on the basis of a retransmission associated with the PSSCH, having not been requested, transmitting an acknowledgement (ACK) to the base station via the PUCCH resource.

A repeater device for New Radio (NR) communication, includes a baseband processor that establishes a communication link with a base station and decodes control information that is received from the base station through a control channel. The baseband processor further aligns a timing reference of the repeater device with that of an NR cell frame for an uplink or a downlink time division duplex (TDD) switching, based on the decoded control information. The baseband processor further selects and forms one or more donor beams of RF signals at a donor side of the repeater device and one or more service beams of RF signals at a service side of the repeater device, based on the decoded control information and the aligned timing reference with that of the NR cell frame for the uplink or the downlink TDD switching for communication in an NR frequency band.

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 terminal according to an aspect of the present disclosure includes: a receiving section that receives first configuration information related to a physical uplink control channel (PUCCH), second configuration information related to a physical uplink shared channel (PUSCH), and third configuration information related to uplink simultaneous transmission using multiple panels; and a control section that controls, based on the first configuration information, the second configuration information, and the third configuration information, selection related to a resource for the PUSCH and transmission of at least one of the PUSCH and the PUCCH. An aspect of the present disclosure enables UL transmission to be appropriately controlled even when the UL transmission is performed using multiple panels.

An apparatus and system of supporting simultaneous transmission over multi-panel (STxMP) uplink (UL) transmissions are described. At least one downlink control information (DCI) is used to schedule STxMP UL transmission to multiple transmit-receive points (TRPs). The DCI indicates whether time domain (TD) repetition is to be applied, in addition to time domain and / or frequency domain resource location for different multiplexing schemes. Aperiodic-channel state information (A-CSI) or semi-persistent CSI (SP-CSI) multiplexing is multiplexed within one or more of the repetitions. One or more sounding reference signal (SRS) resource indication (SRI) fields in the DCI indicate the SRS resources to use for the transmission. Mechanisms of physical uplink control channel (PUCCH) resource configuration are described for STxMP operation.

A method performed by an integrated access backhaul (IAB) node in a wireless communication system is provided. The method comprises: receiving, from a base station, configuration information regarding an uplink (UL) grant, receiving, from the base station, configuration information regarding backhaul (BH) radio link control (RLC) channel via higher layer signaling, identifying, based on the configuration information regarding BH RLC channel, whether an extended logical channel identifier (eLCID) is used, in case that the eLCID is not used and a UL grant size is equal to or larger than a first size, not transmitting only a padding buffer status report (BSR) or not transmitting only padding or not transmitting only the padding BSR and the padding, and in case that the eLCID is used and the UL grant size is equal to or larger than a second size, not transmitting only the padding BSR or not transmitting only the padding or not transmitting only the padding BSR and the padding.

A method for physical downlink control channel (PDCCH) monitoring by user equipment (UE includes receiving a specification indicative of a monitoring pattern for a search space set including a plurality of slots. The monitoring pattern includes one or more monitoring spans within the search space set. Each of the one or more monitoring spans is associated with a set of parameters defining that particular monitoring span. The method includes selecting at least one monitoring span of the one or more monitoring spans. The method includes assigning the UE to monitor the at least one monitoring span. The method includes performing, by the UE, PDCCH monitoring during the selected at least one monitoring span.

Embodiments herein provide techniques for transmission of a physical uplink control channel (PUCCH) in a wireless cellular network. For example, transmission schemes are provided for sequence-based transmission of a PUCCH and / or to improve PUCCH coverage. User equipment (UE) may: determine uplink control information (UCI) pay load information for the PUCCH with a PUCCH format 1; determine a sequence for transmission of the PUCCH based on the UCI pay load information; and map the determined sequence to allocated resources for the PUCCH format 1 for transmission.

Methods and apparatuses for an interlace based resource pool sidelink (SL) in a wireless communication system. A method of a user equipment (UE) includes receiving a set of configurations and determining, from the set of configurations, a resource pool including a set of sub-channels. A sub-channel in the set of sub-channels includes a set of interlaces of resource blocks (RBs). An interlace in the set of interlaces includes RBs with a uniform interval of M RBs. The method further includes determining a set of resources within the resource pool allocated for a physical sidelink control channel (PSCCH) or a physical sidelink feedback channel (PSFCH) and transmitting, to another UE, the PSCCH or PSFCH based on the determined set of resources.

Disclosed are a method for communication and a terminal device. One example method includes: acquiring, by a terminal device, first information of a first radio access technology (RAT), wherein the first information indicates information related to a first resources of the first RAT, and each of the first RAT and a second RAT is an RAT used to transmit a sidelink, and wherein the first information is acquired within T milliseconds prior to a slot n, wherein the slot n is used to transmit on at least one of a physical sidelink shared channel (PSSCH) or a physical sidelink control channel (PSCCH) by using the second RAT based on the first information, wherein T is an integer.

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 apparatuses for scheduling via multiple physical downlink control channels (PDCCHs). A method for a user equipment (UE) includes receiving a first PDCCH that provides a first downlink control information (DCI) format and a second PDCCH that provides a second DCI format. The method further includes determining: first parameters for reception of a physical downlink shared channel (PDSCH), or for transmission of a physical uplink shared channel (PUSCH), based on values of fields of the first DCI format; and second parameters for reception of the PDSCH, or for transmission of the PUSCH, based on values of fields of the second DCI format. The second parameters are different than the first parameters. The method further includes receiving the PDSCH, or transmitting the PUSCH, based on the first parameters and the second parameters.

Control channel repetition may be used in wireless communications. A base station may send repeated downlink control information (DCI) or physical downlink control channel (PDCCH) to a wireless device. The base station may send configuration parameters to the wireless device to indicate a plurality of coresets and indicate whether a particular DCI field, such as a transmission configuration indicator (TCI) field, will be present in the repeated DCI. Wireless resources may be determined by the wireless device based on a candidate of the last configured repetition.

Disclosed are a method and a device for a node used for wireless communication. The node receives a first information block and a second information block, the first information block and the second information block indicate a scheduled cell set and M PDCCK candidates respectively. M1 PDCCH candidates are monitored in a first time window, the M1 PDCCH candidates occupy M2 non-overlapped CCEs. A first threshold and a second threshold are used to determine the M1 PDCCH candidates. The scheduled cell set is divided into a first cell group and a second cell group, a control resource pool in a scheduling cell of a first serving cell is used to determine whether belongs to the first cell group or the second cell group.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure discloses a method and a device in a wireless communication system. According to an embodiment of the present disclosure, there is provided a method performed by a terminal in a wireless communication system, comprising: receiving, a frequency domain configuration of a control resource set (CORESET), determining a frequency domain area where a control resource set (CORESET) is located, wherein the frequency domain area where the CORESET is located comprises at least a part of the frequency domain area of CORESET determined based on the received frequency domain configuration of the CORESET; and monitoring a physical downlink control channel (PDCCH) based on the determined frequency domain area where the CORESET is located.