7223results about "Duplex signal operation" patented technology

Methods, apparatus and systems are disclosed. In one embodiment, a method may be implemented by a first Wireless Transmit / Receive Unit (WTRU). The method may include receiving configuration information indicating a first set of RBs for performing a CSI-RS measurement, receiving an indication indicating a second set of RBs, and receiving an indication indicating that a first set of symbols or slots is not configured for a certain type of duplexing method and a second set of symbols or slots is configured for the certain type of duplexing method. The method may also include measuring a first CSI-RS in the first set of RBs in a symbol or slot in the first set of symbols or slots, measuring a second CSI-RS in a symbol or slot of the second set of symbols or slots in RBs that are in both the first set of RBs and the second set of RBs. determining a CSI based on the measurement of the first CSI-RS and the second CSI-RS, and reporting the CSI.

Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. A method comprises receiving, at a terminal device, from a network device, at least one configuration for a first list of cells, wherein the first list of cells comprises a first cell and a second list of cells, and at least a first spatial reception parameter of the second list of cells refers to the first cell based on the at least one configuration; and performing a first beam failure recovery procedure on the first list of cells; or performing the first beam failure recovery procedure on the first cell, and performing a second beam failure recovery procedure on the second list of cells, wherein the second beam failure recovery procedure is same with or related to the first beam failure recovery procedure.

Systems, apparatuses, methods, and computer-readable media are provided for multiple operation modes for downlink (DL) or uplink (UL) transmission in duplex operation, wherein the method comprises: configuring, by a fifth generation (5G) base station (gNB), one or more UL and / or DL resources within a serving cell or bandwidth part (BWP) bandwidth for different symbols; receiving, by a user equipment (UE), an indication of the UL and DL resource configuration; and receiving or transmitting, by a UE, the DL or UL channels / signals, according to the configuration of the DL or UL channels / signals and / or the DCI scheduling the DL or UL channels / signals. Other embodiments may be described and / or claimed.

Systems and methods for carrier configuration and scheduling for Subband Full Duplex (SBFD) operation in cellular communications system are disclosed. In one embodiment, a method performed by a User Equipment (UE) comprises receiving, from a network node, information that configures one or more subbands within a bandwidth of a carrier for subband full duplex operation. The received information comprises first information that configures a cell-specific Time Division Duplexing (TDD) symbol pattern for the carrier, wherein the TDD symbol pattern comprises a set of symbols. The received information further comprises second information that configures, for each symbol from at least a subset of the set of symbols within the TDD symbol pattern, one or more subbands for subband full duplex operation within the symbol. The method further comprises operating in accordance with the received information.

The present disclosure relates to a communication technique and system for combining an IoT technology with a 5G communication system for supporting a higher data transfer rate than a 4G system. According to an embodiment of the present invention, a method of a terminal supporting subband non-overlapping full duplex (SBFD) in a wireless communication system may comprise the steps of: receiving time duplex division (TDD) resource configuration information and SBFD resource configuration information from a base station; determining respective indexes of first random access channel (RACH) occasions that are commonly valid in the TDD resource configuration information and the SBFD resource configuration information; and determining respective indexes of second RACH occasions that are invalid in the TDD resource configuration information and are valid in the SBFD resource configuration information.

A device and a method for operating a device in a wireless communication system are provided. The device may be a terminal, a chipset, or a base station. The base station may inform the terminal of a first time resource operating in half duplex and a second time resource operating in full duplex. In addition, a first bandwidth part (BWP) set in which the terminal operates in the first time resource and a second BWP set in which the terminal operates in the second time resource may also be informed. When switching between the first time resource and the second time resource occurs, the terminal can operate in the corresponding BWP without additional signaling indicating a BWP change.

A method of operating a user equipment includes receiving first information for a first candidate subband full-duplex (SBFD) configuration associated with a first L1 / L2-Triggered Mobility (LTM) candidate cell or reference configuration, receiving second information for a second candidate SBFD configuration associated with a second LTM candidate cell or reference configuration, and determining a value of an SBFD indicator. The method further includes selecting an SBFD configuration of an LTM candidate cell based on the first information when the value is associated with the first LTM candidate cell or reference configuration or the second information when the value is associated with the second LTM candidate cell or reference configuration; and receiving a downlink signal based on the SBFD configuration of the LTM candidate cell. The value of the SBFD indicator is from a set of identifier values associated with a set of transmit-receive points.

Techniques pertaining to techniques for physical downlink shared channel (PDSCH) allocation in subband full duplex (SBFD) networks are described. Such techniques pertain to both PDSCH frequency domain resource allocation (FDRA) Type-0 and / or FDRA Type-1 and include the use of fractional resource block groups (RBGs), virtual resource block (VRB)-interleaving, canceling one or more repetitions or SPS transmission in a slot that is an SBFD slot or a non-SBFD slot. The techniques further include VRB-to-physical resource block (PRB) mapping that excludes one or more PRBs in the sequence of PRBs that belong to one or more UL-subband or one or more guard bands and applying one or more rules to provide for the selection of a wideband setting for a precoder resource block (RB) group (PRG) size with respect to use of a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS).

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing phase adjusting for one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing polarization adjusting for one or more orthogonally-polarized element pairs of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Logic may send information on cross-link interference reference signal (CLI-RS) resource and measurement configuration via an interface to a second base station, the CLI-RS resource and measurement configuration to comprise an identification of a communication resource within which to measure the CLI-RS. Logic may cause transmission of the CLI-RS. Logic may receive the CLI-RS measurement report based on measurement of the CLI-RS based on a definition for a CLI-RS measurement report from the second base station via the interface. Logic may decode information on CLI-RS resource and measurement configuration received via the interface from a first base station. Logic may measure the CLI-RS based on identification of the communication resource. Logic may generate the CLI-RS measurement report based on measurement of the CLI-RS. And logic may send the CLI-RS measurement report to the first base station.

Apparatuses, methods, and systems are disclosed for configuring a bandwidth part for UL and DL. One method includes receiving, at a user equipment (“UE”), information for a bandwidth part (“BWP”) including both a downlink (“DL”) configuration and an uplink (“UL”) configuration. The method includes performing: transmission in a first set of symbols of a first slot according to the UL configuration of the BWP, wherein at least one symbol of the first set of symbols of the first slot includes at least a first UL subband and a first DL subband; reception in a second set of symbols of a second slot according to the DL configuration of the BWP, wherein at least one symbol of the second set of symbols of the second slot includes at least a second UL subband and a second DL subband; or a combination thereof.

Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing polarization adjusting by rotating one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Systems, methods, and instrumentalities are described herein regarding power control and link adaptation for cross-division duplex (XDD). A wireless transmit / receive unit (WTRU) may receive a grant associated with transmission of an uplink (UL) signal. The grant may indicate a first set of resource blocks (RBs). The WTRU may determine a frequency gap (FG) between the first set of RBs and a reference RB. The WTRU may adjust one or more transmit (Tx) parameters based on the determined FG. When the determined FG is less than a pre-defined threshold, the WTRU may reduce one or more of a transmit power or a modulation coding scheme (MCS) level associated with transmission of the UL signal scheduled by the grant. The WTRU may transmit the UL signal using the adjusted one or more Tx parameters.

The present invention relates to a terminal that receives information about slots in a time division duplex (TDD) system, receives information about a plurality of subbands on frequency domain resources, and performs uplink transmission on resources within a subband that is determined to be a subband for uplink transmission on the basis of the information about the plurality of subbands.

An apparatus and method for operation of an apparatus in a wireless communication system are provided. The apparatus may be a terminal, a chipset, or a base station. A terminal receives, from a base station, a configuration of a frequency band in which a reference signal is to be measured, and measures the reference signal in the corresponding frequency band. In this step, a case may occur in which the reference signal cannot be measured in the entire frequency band that has been received as a configuration. In this case, the terminal distinguishes between a case in which the reference signal can be measured in the entire frequency band that has been received as a configuration and a case in which it cannot, and reports independent channel state information to the base station.

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.

Embodiments of the present application relate to methods and apparatuses for a resource allocation scheme in a sub-band full duplex scenario. According to an embodiment of the present application, a UE includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver from a network node, at least one indication indicating at least one frequency domain transmission resource; and to determine a frequency domain resource in a time unit according to a type of the time unit, wherein the frequency domain resource is used for transmitting a physical uplink share channel (PUSCH) transmission, wherein the frequency domain resource is associated with the at least one frequency domain transmission resource, and wherein the type of the time unit comprises a time unit type or a further time unit type.

Methods, systems, and apparatuses are provided for enhancing timing alignment for uplink (UL) multi-Transmission / Reception Point (TRP) (or mTRP) scenarios in a wireless communication system. A method for a UE in a wireless communication system can comprise receiving a signaling, wherein the signaling indicates activation for a first TRP and / or is a Physical Downlink Control Channel (PDCCH) signal, determining to perform a first random access procedure on the first TRP, based on the signaling, to obtain a first Time Alignment (TA) information associated with the first TRP, and performing multi-TRP operation on the first TRP associated with the first TA information and a second TRP associated with a second TA information.

The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting higher data rates. A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving, from a base station, configuration information including first information one a first sounding reference signal (SRS) resource set and a second SRS resource set, second information associated with an physical uplink shared channel (PUSCH) repeat transmissions, and third information associated with slot configuration, receiving, from the base station, downlink control information (DCI) scheduling a PUSCH, the DCI including a CSI request field triggering aperiodic channel state information (CSI) reporting, and transmitting, to the base station, a first PUSCH associated with the first SRS resource set and a second PUSCH associated with the second SRS resource set, wherein the slot configuration configured based on the third information includes a slot for uplink transmission of the UE, and a subband non-overlapping full duplex (SBFD) slot including a subband for downlink reception of the UE and a subband for the uplink transmission of the UE, and wherein, in case that a number of resource element (RE) allocated to a first repetition of repetitions of the first PUSCH is same with a number of RE allocated to a first repetition of repetitions of the second PUSCH, the aperiodic CSI reporting is multiplexed in the first repetition of the repetitions of the first PUSCH and the first repetition of the repetitions of the second PUSCH, respectively.

Apparatus, methods, and computer-readable media for facilitating priority rules for measurements based on CD-SSBs and / or NCD-SSBs are disclosed herein. An example method for wireless communication at a UE includes indicating a UE capability to a network. The example method also includes receiving a configuration for a measurement object and a DL BWP, the configuration indicating that the DL BWP includes a CD-SSB, includes an NCD-SSB, or that an SSB is absent. The configuration for the measurement object and the DL BWP may be based at least on one or more of a duplex mode type, a frequency range, a type of the DL BWP, or the UE capability.

A UE may receive a time resource pattern including a first set of time resources and a second set of time resources that are non-overlapping in a time domain with the first set of time resources, each time resource of the first set of time resources configured with a subband full-duplex (SBFD) configuration, and each time resource of the second set of time resources configured with a non-SBFD configuration. A UE may receive a synchronization signal block (SSB) configuration including one or more periodic SSB occasions. A UE may adjust at least one of an SSB measurement or an uplink transmission in one or more symbols including an SSB occasion, of the one or more periodic SSB occasions, overlapping with a time resource of the first set of time resources.

The present invention relates to a wireless communication system and, more specifically, to a method wherein resource allocation information for downlink reception or uplink transmission is acquired, and if the downlink reception or uplink transmission is required on a sub-band slot / symbol, the downlink reception or uplink transmission is performed in consideration of sub-band operations, and a wireless device therefor.

Certain aspects of the present disclosure provide a method for wireless communications at a user equipment (UE). The UE may receive a configuration from a base station (BS). The configuration may indicate transmission parameters associated with different symbols such as sub-band full duplex (SBFD) symbols and non-SBFD symbols. For example, the transmission parameters may indicate power control parameters (e.g., a received power target value, a power control factor value, a closed-loop power control value) and a unified transmission configuration indicator (TCI) (e.g., a joint uplink and downlink TCI state, separate uplink and downlink TCI states). The UE may transmit uplink transmissions to the BS, in accordance with the transmission parameters.

A wireless transmit / receive unit (WTRU) may receive subband non-overlapping full duplex (SBFD) configuration information. The SBFD configuration information may be associated with subbands for uplink transmission and subbands for downlink reception. The WTRU may receive scheduling information associated with physical uplink shared channel (PUSCH) transmissions. The scheduling information may comprise a first frequency domain resource allocation (FDRA). The WTRU may transmit a first PUSCH transmission using a first frequency resource. The WTRU may determine that at least a second PUSCH transmission is to be sent using at least one OFDM symbol. The WTRU may determine that the first frequency resource overlaps. The WTRU may receive one or more of a second FDRA or a frequency offset for the second PUSCH transmission. The WTRU may determine a second frequency resource for transmitting the second PUSCH transmission. The WTRU may transmit the second PUSCH transmission using the second frequency resource.

An uplink transmission method and a communication apparatus are provided. In this method, based on an existing available-slot counting method, a terminal device and a network device determine, by using a newly added available-slot counting determining condition, whether a currently traversed time unit is available to transmit a multi-slot (Multi-slot) PUSCH / PUCCH. If the currently traversed time unit is the same as a first time unit type, the currently traversed time unit is available to transmit the multi-slot PUSCH / PUCCH. Otherwise, the currently traversed time unit is not available to transmit the multi-slot PUSCH / PUCCH.

A device and a method for operation of a device in a wireless communication system are provided. The device may be a terminal, a chipset, or a base station. A terminal receives, from a base station, a CSI-RS configuration message indicating CSIRS frequency resources in which a CSI-RS is transmitted, and a full duplex configuration message indicating an FD time resource operating in full duplex and at least one of a DL frequency resource used in downlink in the FD time resource and a UL frequency resource used in uplink, and then determines whether to measure the CSI-RS, on the basis of the CSI-RS configuration message and the full duplex configuration message.

Methods and apparatus of determining format of uplink and downlink transmissions for full duplex time division duplex are disclosed. The method includes: receiving, by a receiver, a first set of Time Division Duplex (TDD) configurations of uplink (UL) and downlink (DL) transmissions for a first set of Bandwidth Parts (BWPs), and a second set of TDD configurations of UL and DL transmissions for a second set of BWPs; and determining, by a processor, a resulting format of UL and DL transmissions based on the first set of TDD configurations and the second set of TDD configurations.

A method of signalling in a cellular network is described. The method comprises allocating, by a first node, a first resource to a second node. The method further comprises configuring, by the first node, to perform at least one first operation by the at least one second node in the at least one first resource. The method further comprises configuring, by the first node, a second resource. The method further comprises configuring by the first node, to perform a second operation by the second node in the second resource. The second operation overrides the first operation in an overlapping portion of the first resource and the second resource.