157 results about "Coreset" patented technology

Disclosed are a method and apparatus for transmitting and receiving a wireless signal in a wireless communication system. The method according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, first configuration information including a list of TCI states, the list of TCI states providing a reference signal for a QCL for a downlink channel and / or a reference for determining an uplink transmission spatial filter for an uplink channel; receiving, from the base station, second configuration information related to a CORESET, a plurality of CORESETs, which have different CORESET full indexes, being configured by the second configuration information; and receiving DCI from the base station.

A method performed by a terminal in a wireless communication system according to an embodiment disclosed herein comprises the steps of: receiving configuration information related to a plurality of control resource sets (CORESETs) from a base station; receiving downlink control information (DCI) from the base station; transmitting a random access preamble to the base station; and receiving a random access response (RAR) from the base station. The random access preamble is transmitted on the basis of an SSB index, and the SSB index is related to a first CORESET pool index or a second CORESET pool index.

The present disclosure relates to a communication scheme and a system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. The present disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, and security- and safety-related services) on the basis of a 5G communication technology and an IoT-related technology. The present disclosure proposes a method and an apparatus for beam failure recovery. An embodiment of the present disclosure provides a method of a terminal in a wireless communication system. The method of the terminal comprises the steps of: obtaining information on at least one reference signal for beam failure detection; identifying whether a beam failure is detected for each of a first reference signal set and a second reference signal set included in the at least one reference signal; and if a beam failure is detected for at least one of the first reference signal set and the second reference signal set, performing a beam failure recovery procedure for the reference signal set in which the beam failure is detected, wherein the first reference signal set is related to a first control resource set (CORESET) pool, and the second reference signal set is related to a second CORESET pool.

A terminal according to one aspect of the present disclosure includes a control section that, if scheduling offset between reception of a downlink control channel for communication of downlink control information for scheduling an aperiodic channel state information-reference signal (A-CSI-RS) and reception of the A-CSI-RS is less than a threshold determined on the basis of a reported period value for beam switch, and there is a different downlink signal in the same symbol as the A-CSI-RS, and the A-CSI-RS and the different downlink signal are related to the same control resource set (CORESET) pool index, gives priority to quasi-co-location (QCL) for the different downlink signal; and a receiving section that receives the A-CSI-RS. According to one aspect of the present disclosure, collision between a plurality of channels / signals can be handled appropriately.

Systems and methods are disclosed that are related to puncturing of Control Resource Set (CORESET) #0, e.g., for operation in a narrow channel bandwidth. In one embodiment, a method performed by a User Equipment (UE) comprises operating in a wireless spectrum allocation that is smaller than an amount of frequency domain resources needed for receiving a Synchronization Signal (SS) / Physical Broadcast Channel (PBCH) block (SSB) and CORESET #0. The method further comprises receiving, from a network node, an SSB and CORESET #0 after puncturing, wherein puncturing of the SSB is determined by a number of resource blocks (RBs) comprised in the wireless spectrum allocation within a respective frequency band and puncturing of a Physical Downlink Control Channel (PDCCH) mapped to the CORESET #0 is determined by the puncturing of the SSB and one or more offset parameters. The method further comprises decoding a message based on the PBCH / PDCCH.

A method and a device for performing a random access procedure in a wireless communication system are disclosed. A method for performing a random access procedure according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, a first PDCCH including a PDCCH order for triggering a random access procedure, wherein the first PDCCH is transmitted on multiple SS sets, the multiple SS sets are associated with multiple CORESETs, respectively, and multiple different quasi co-location (QCL) RSs are configured in multiple TCI states for the multiple CORESETs; transmitting a PRACH for the random access procedure to the base station in response to the PDCCH order; and receiving, from the base station, a second PDCCH including DCI for scheduling a PDSCH carrying a random access response for the random access procedure in response to the PRACH.

Systems, devices, and techniques for wireless communications based on one or more transmission configuration indicator (TCI) states are described. A described technique performed by a user equipment (UE) includes receiving a first downlink channel based on a current TCI state; receiving a physical downlink shared channel (PDSCH) in a first slot, the PDSCH carrying a radio resource control (RRC) activation command in the first slot, the RRC activation command indicating a switch to a target TCI state; waiting until an end of a switching period triggered by the RRC activation command to use the target TCI state, the switching period being based on a RRC processing delay; and receiving, based on the end of the switching period, a second downlink channel based on the target TCI state in a second slot.

A communication method and apparatus may be applied to a wireless communication system, for example, 4G or 5G. The method includes: determining a monitoring span pattern in one slot and an actual monitoring capability in each monitoring span in the pattern based on configuration information such as an SS set and a bound CORESET of a terminal device; and monitoring DCI of each cell based on the actual monitoring capability.

This application provides a communication method and a communications apparatus. A terminal may perform, based on first configuration information for a maximum of a first quantity of times, blind detection at PDCCH candidate locations configured by a network device for a first CORESET group. In comparison with a solution, in the conventional technology, in which the terminal blindly detects a PDCCH for all CORESETs in a target cell for a maximum of the first quantity of times, blind detection is performed for a CORESET corresponding to each TRP for a larger quantity of times. Therefore, scheduling flexibility can be improved.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, in a control resource set (CORESET) associated with a first CORESET pool index or a second CORESET pool index, downlink control information (DCI) including an indication that a hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook scheduled in a first slot is to be retransmitted in a second slot. The UE may transmit, in the second slot and in connection with receiving the DCI, a first HARQ-ACK codebook associated with the first CORESET pool index or a second HARQ-ACK codebook associated with the second CORESET pool index. Numerous other aspects are described.

Methods and apparatuses for operating in different bandwidth parts (BWPs). A method includes receiving a first synchronization signal and physical broadcast channel (SS / PBCH) block in a first BWP; determining, based on information provided by the first SS / PBCH block, a first control resource set (CORESET) in the first BWP; and receiving a first physical downlink control channel (PDCCH) in the first CORESET. The PDCCH provides a first downlink control information (DCI) format that schedules a reception of a first physical downlink shared channel (PDSCH) providing a system information block (SIB1). The method further includes receiving the first PDSCH, determining a second BWP based on information provided by the SIB1, and receiving a second SS / PBCH block in the second BWP. The second BWP does not include a bandwidth of the first SS / PBCH block. The second BWP does not include a bandwidth of the first CORESET.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, a logical channel configuration indicating one or more allowable control resource set (CORESET) groups for a logical channel. The UE may receive an uplink grant indicating one or more uplink resources, wherein the uplink grant is associated with a CORESET group. The UE may transmit, using the one or more uplink resources, uplink data that is associated with the logical channel, wherein the uplink data being transmitted using the one or more uplink resources is based at least in part on the CORESET group being included in the one or more allowable CORESET groups. Numerous other aspects are described.

A terminal according to one aspect of the present disclosure includes a receiving section that monitors a downlink control channel (Physical Downlink Control Channel (PDCCH)) in a control resource set (CORESET), and a control section that does not assume that a CSI-RS resource associated with a non zero power channel state information reference signal (NZP-CSI-RS) resource set in which a higher layer parameter about repetition is on and related to a CORESET pool index same as a CORESET pool index of the CORESET is configured for a symbol configured to monitor the CORESET. According to one aspect of the present disclosure, collision between a plurality of channels / signals can be handled appropriately.

A method for wireless communication by a user equipment (UE) includes receiving a message indicating a plurality of CORESETs, each of the plurality of CORESETs is associated with a respective PDCCH monitoring occasion of a plurality of overlapping PDCCH monitoring occasions. The method also includes receiving, on one or more component carriers in a same band, a plurality of simultaneous beams comprising a plurality of PDCCH candidates. The method further includes monitoring a set of PDCCH candidates, of the plurality of PDCCH candidates, that correspond to: a first CORESET associated with a first QCL-Type-D property, a second CORESET associated with a second QCL-Type-D property, and a set of monitoring CORESETs, wherein each of the set of monitoring CORESETs is associated with the first QCL-Type-D property or the second QCL-Type-D property, and wherein the first CORESET is prioritized based on a search space set index and a serving cell index.

A method and apparatus are provided, in which a configuration including a number of symbols for delaying monitoring a physical downlink control channel (PDCCH) in a search space set associated with each of at least one type of physical random access channel (PRACH) occasions is determined (202). A PRACH preamble is transmitted (204) in a PRACH occasion for an identified type of PRACH occasion. In response to the transmission of the PRACH preamble in the PRACH, the PDCCH is monitored (206) for a random access response in the search space set associated with a control resource set (CORESET) during a window, wherein the window starts at a first symbol of the earliest CORESET that the user equipment is configured to receive the PDCCH that is at least the configured number of symbols for the identified type of PRACH occasion after the last symbol of the PRACH occasion.

A resource determination method and apparatus, relating to the field of communication technology, is used to improve the diversity gain that can be obtained by a PDCCH candidate. The method comprises the following steps: a communication device determines the index values ​​of n first CCEs occupied by a PDCCH candidate in a first CCE set, and the index values ​​of m second CCEs occupied by a PDCCH candidate in a second CCE set; the CORESET is divided into a first physical time-frequency resource region and a second physical time-frequency resource region, the first physical time-frequency resource region is different from the second physical time-frequency resource region in the time domain and / or frequency domain, the number of CCEs included in the first CCE set is determined according to the number of REGs included in the first physical time-frequency resource, the number of CCEs included in the second CCE set is determined according to the number of REGs included in the second physical time-frequency resource, and the sum of m and n is equal to the aggregation level of the PDCCH candidate; thereafter, the communication device determines the physical time-frequency resources occupied by the PDCCH candidate according to the index values ​​of the n first CCEs and the index values ​​of the m second CCEs.

A method and an apparatus for transmitting and receiving a signal based on a spatial parameter in a wireless communication system are disclosed. A method of performing downlink reception or uplink transmission by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving first downlink control information (DCI) including information on a spatial parameter; and performing the downlink reception or the uplink transmission, based on the spatial parameter included in the first DCI, and based on that the downlink reception is second DCI, a spatial parameter corresponding to the spatial parameter included in the first DCI may be applied for at least one specific control resource set (CORESET) among at least one CORESET configured for the UE.

Systems, devices, and techniques for wireless communications based on one or more transmission configuration indicator (TCI) states are described. A described technique performed by a user equipment (UE) includes receiving a first downlink channel based on a current TCI state; receiving a physical downlink shared channel (PDSCH) in a first slot, the PDSCH carrying a radio resource control (RRC) activation command in the first slot, the RRC activation command indicating a switch to a target TCI state; waiting until an end of a switching period triggered by the RRC activation command to use the target TCI state, the switching period being based on a RRC processing delay; and receiving, based on the end of the switching period, a second downlink channel based on the target TCI state in a second slot.

The techniques described herein include one or more solutions for enabling UEs to obtain initial uplink (UL) timing information (e.g., timing advance (TA) information) in a multi-transmission and reception point (TRP) scenario before a handover command and subsequent random access channel (RACH) procedure. A physical downlink (DL) control channel (PDCCH) order (e.g., downlink control information (DCI)) may be used to initiate a contention free random access (CFRA) procedure to obtain UL timing information for a non-serving TRP. The PDCCH order may be transmitted in a control resource set (CORESET) with a coresetPoolIndex value associated with a non-serving cell TRP. Several additional techniques and features are also described herein.

A method for receiving a signal by a wireless communication device according to an embodiment of the present invention may comprise: monitoring candidates of a control channel in a BWP on the basis of a control channel search space set (SS) configuration and a CORESET configuration; and acquiring control information from the control channel detected as a result of the monitoring of the candidates, wherein: a control channel SS configured on the basis of the control channel SS configuration is associated with a CORESET configured on the basis of the CORESET configuration; the BWP includes one sub-band (SB) or two or more SBs; and in order to monitor the candidates, the wireless communication device configures each CORESET frequency resource area of each SB in the BWP on the basis of a CORESET frequency resource area of one specific SB in the BWP.

The present disclosure relates to a communication method, apparatus and storage medium. The method is performed by a network device, comprising: obtaining a second control resource set (CORESET) based on a first CORESET corresponding to a physical downlink control channel (PDCCH), wherein a determined resource amount of the second CORESET is different from a determined resource amount of the first CORESET; and processing the PDCCH based on the second CORESET. By expanding the first CORESET corresponding to the PDCCH to obtain the second CORESET, and processing the PDCCH based on the expanded second CORESET, the probability of resource collision of the PDCCH can be reduced, and the communication efficiency can be improved.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a control message indicating a set of timing advance groups (TAGs), where a first TAG is associated with a first control resource set (CORESET) and a second TAG is associated with a second CORESET. In some examples, the UE may receive a downlink message for a random access procedure, where the downlink message includes one or more reservation bits indicating TAGs from the set of TAGs, and the UE may select a TAG based on a rule for applying the one or more reservation bits. In some other examples, the UE may receive a downlink message that triggers a random access channel procedure and indicates a state from a set of states, and the UE may select a TAG based on the indicated state and a mode of the UE.

The embodiment of the application discloses a kind of monitoring method and device, terminal and network equipment;The method comprises: if there is M associated 2 TCI state CORESET and N associated 1 TCI state CORESET in the CORESET associated with the PDCCH candidate monitored in the PDCCH monitoring occasion overlapping on active downlink bandwidth part BWP, terminal monitors PDCCH in M associated 2 TCI state CORESET and / or N associated 1 TCI state CORESET, M is greater than or equal to 1 integer, N is greater than or equal to 0 integer, so as to realize in the case where terminal supports the CORESET of being configured 2 TCI state, in associated 2 TCI state CORESET and / or associated 1 TCI state CORESET, PDCCH is monitored, so as to guarantee the flexibility, robustness and stability of system communication.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and apparatus for transmission and reception of an uplink signal are provided. The method includes receiving second information that indicates a hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback mode, resolving overlapping for uplink channels associated with a same value of a control resource set (CORESET) pool index parameter, and in case that the second information indicates the HARQ-ACK feedback mode as joint, resolving overlapping for uplink channels associated with different values of the CORESET pool index parameter. The invention provides an enhanced uplink signal transmission method.

Embodiments of this application disclose a communication method and apparatus. The method includes: receiving first indication information from a network device, where the first indication information indicates a first parameter configuration, the first parameter configuration is one of K parameter configurations, and K is a positive integer; and determining a time-frequency resource position of a first control resource set CORESET based on the first parameter configuration. According to embodiments of this application, signaling overheads can be reduced.

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. For example, the configuration parameters may indicate a coreset pool index. The base station may send a plurality of repetitions of DCI to the wireless device.

A wireless device may receive one or more configuration parameters indicating a single frequency network (SFN) scheme. The wireless device may further receive a command activating at least two transmission configuration indicator (TCI) states for a control resource set (coreset). The wireless device may monitor, via the coreset, downlink control channels based on the at least two active TCI states and determine a radio link quality based on the at least two active TCI states of the coreset, when the one or more configuration parameters indicate the SFN scheme. The wireless device may further transmit an uplink signal indicating the radio failure, when the radio link quality indicates a radio failure.

The invention discloses a social network link prediction-oriented time sequence diagram network parallel training acceleration method. The method comprises the following steps: firstly, calculating a redundancy score and an old score for each user interaction edge in a training set, and calculating a comprehensive information loss score according to the redundancy score and the old score; secondly, according to a preset core set retention proportion alpha, selecting all user interaction side comprehensive information loss scores and upper alpha quantiles of repetitiveness as threshold values, and discarding user interaction with the comprehensive information loss scores lower than the threshold values, so that a simplified core set is obtained through single-time preprocessing; then carrying out adaptive batch division on the obtained core set, and dynamically determining an acceptable maximum user interaction number in each batch according to a redundancy and old comprehensive information loss score; and finally, training the time sequence diagram neural network based on the divided batches to realize social network link prediction. The method not only improves the training efficiency, but also greatly improves the precision of the model.

This patent discusses innovative methods for enhancing PDCCH (Physical Downlink Control Channel) and CORESET (Control Resource Set) configurations. Given the constraints of link budgets in current communication systems, accurate decoding of the PDCCH poses significant challenges, necessitating new solutions to improve signal reliability and effectiveness. First, the patent proposes a method for PDCCH repetition indication and configuration. This involves introducing new fields in PDCCH-ConfigSIB1 or ControlResourceSetZero, defining new values within ControlResourceSetZero, and reinterpretating existing fields in PDCCH-ConfigSIB1. Secondly, the patent introduces a method for CORESET symbol extension, incorporating the concepts of REG-bundle (Resource Element Group) and / or CCE (Control Channel Element) bundling. Lastly, a CORESET featuring new CCEs, REG-bundles, and / or Adaptation Layers (AL) is proposed.

In some examples, an apparatus for user equipment comprises means for receiving, from a network node, information comprising a time and frequency location of control resource set, CORESET, resource configuration information, wherein the CORESET resource configuration information comprises an indication of non-contiguous resources of a CORESET of a first radio access technology, wherein the non-contiguous resources of the CORESET of the first radio access technology are interleaved with at least one set of resources of a CORESET of a second radio access technology, and means for composing, on the basis of the CORESET resource configuration information, a set of logically contiguous CORESET resources on the basis of the non-contiguous resources of the CORESET of the first radio access technology.