Samsung Electronics Co., Ltd.

Dalin Zhu

Eko Nugroho Onggosanusi

Emad N Farag

Md Saifur Rahman

Boon Loong Ng

Jianhua Mo

Aristides Papasakellariou

Anum Ali

Daehee Park

Eko Onggosanusi

A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indicator (TCI) states, a list of TCI state code points, and cross carrier scheduling and receiving a downlink control information (DCI) format including (i) a carrier indicator field and (ii) a transmission configuration indication field indicating a TCI state code point. The TCI state code point is from the list of TCI state code points and indicates a TCI state for a first carrier and a TCI state for a second carrier. The method further includes applying the indicated TCI state code point for a first carrier and a second carrier and receiving or transmitting, on the first carrier and the second carrier, downlink (DL) channels or uplink (UL) channels, respectively, based on quasi-co-location properties or spatial properties corresponding to the indicated TCI state code point.

Cross carrier beam indication

Apparatuses and methods for beam failure recovery under a unified transmission configuration indication (TCI) framework in a wireless communication system. A method for operating a user equipment (UE) includes receiving information associated with a control resource set (CORESET) configured for the UE and identifying, based on the information, a type of the CORESET configured for the UE. The method further includes determining, based at least in part on the identified type of the CORESET, a set of beam failure detection (BFD) reference signals (RSs) to use and monitoring for a beam failure instance (BFI) based on the set of BFD RSs.

Method and apparatus for beam failure recovery under a unified TCI framework

Methods and apparatus for beam failure recovery in a wireless communication system. A method of operating a user equipment (UE) is includes receiving, in a radio resource control (RRC) signaling, a pool of one or more reference signal (RS) resource indexes for a beam failure detection RS (BFD-RS) configuration; receiving a medium access control control element (MAC CE) command for BFD-RS activation; and receiving a control resource set (CORESET) with one or two transmission configuration information (TCI) states. The method further includes determining, based on the MAC CE command, a first set of one or more RS resource indexes for beam failure detection and determining, based on the one or two TCI states for the CORESET, one or more RS resource indexes in a second set of one or more RS resource indexes for beam failure detection.

Method and apparatus for recovering beam failure in a wireless communications system

Methods and apparatuses for fast beam indication. A method of operating a UE includes receiving a number (M) of transmission configuration indicator (TCI)state code points activated by a medium access control element (MAC CE) and, if the UE is configured to be indicated TCI state code points on DL control information (DCI) and M>1, receiving the DCI that indicates at least one TCI state code point from the M TCI state code points and determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels. The method further includes updating one or more spatial filters for at least one of the DL channels and the UL channels based on the determined TCI state and at least one of receiving and transmitting the DL channels and the UL channels, respectively, based on the updated one or more spatial filters.

Method and apparatus for fast beam indication

Methods and apparatuses for beam management after channel setup. A method of operating a user equipment (UE) includes receiving at least one of synchronization signal/physical broadcast channel block (SSB) or channel state information reference signal (CSI-RS), measuring the at least one of the SSB or the CSI-RS, and determining downlink (DL) quasi-co-location (QCL) properties for DL communication based on the at least one of the SSB or the CSI-RS. The method further includes determining an uplink (UL) spatial domain filter for UL communication, receiving DL channels using the determined DL QCL properties until only one of only one joint TCI state or only one DL TCI state is configured, activated, or indicated to the UE, and transmitting UL channels using the determined UL spatial domain filter until only one of only one joint TCI state or only one UL TCI state is configured, activated, or indicated to the UE.

Method and apparatus for beam management after channel setup

Apparatuses and methods for receiving physical downlink shared channel (PDSCH) or monitoring physical downlink control channel (PDCCH) candidate in an inter-cell system. A method for operating a user equipment includes receiving an indicator for inter-cell operation; receiving first information of one or more first synchronization signal blocks (SSBs) associated with a serving cell physical cell identity (PCI); and receiving second information of one or more second SSBs associated with a PCI different from the serving cell PCI. The method further includes determining, based on the first information, one or more first resources for receiving the one or more first SSBs and determining, based on the second information, one or more second resources for receiving the one or more second SSBs. The first or second resources correspond to at least one of: (1) resource elements (REs), (2) physical resource blocks (PRBs) and (3) orthogonal frequency division multiplexing (OFDM) symbols.

Method and apparatus for receiving downlink channels in an inter-cell system

Methods and apparatuses for configuration of unified transmission configuration indicator (TCI) state in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of TCI states for downlink (DL) or joint TCI states, receiving configuration information for a control resource set (CORESET), receiving configuration information for a search space set associated with the CORESET, and receiving an indication of a TCI state for the list of TCI states. The method further includes identifying a type of the search space set and an index of the CORESET, applying the indicated TCI state to a physical downlink control channel (PDCCH) in the CORESET based on (i) the identified type of the search space set and the identified index of the CORESET or (ii) additional configuration information, and receiving the PDCCH based on quasi-co-location properties corresponding to the indicated TCI state.

Method and apparatus for configuring a unified TCI state

Methods and apparatuses for beam management, measurement and reporting for inter-cell operation in a wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for inter-cell operation, receiving a transmission configuration indication (TCI) state for a channel or a reference signal (RS), receiving information for configuring a TCI state group, and receiving an indication for associating the TCI state group with a physical cell identity (PCI). The method further includes determining, based on the information and the indication, an association between the TCI state and a PCI and determining, based on the TCI state and the association, a receive filter for reception of the channel or the RS.

Method and apparatus for beam management, measurement and reporting for inter-cell operation

Apparatuses and methods for indication for inter-cell beam management in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indication (TCI) states, receiving TCI state code points activated by a medium access control-control element (MAC CE), and receiving DL control information (DCI) indicating at least one of the activated TCI state code points. The method further includes determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels within at least one entity; updating one or more spatial filters for at least one of the DL channels and the UL channels based on the determined TCI state; and receiving and transmitting the DL channels and the UL channels of the at least one entity, respectively, based on the updated one or more spatial filters.

Method and apparatus for indication of inter-cell beam management

Systems and methods for joint and separate beam indication in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a first set of transmission configuration indicator (TCI) states for joint TCI states or downlink (DL) TCI states and for a second set of TCI states for uplink (UL) TCI states if configured to operate with separate beam indication; receiving M TCI state code points; and if M>1, receiving downlink control information (DCI) that indicates at least one TCI state code point from the M TCI state code points. The method further includes determining a TCI state to apply to at least one of DL channels and UL channels; updating one or more spatial filters based on the determined TCI state; and at least one of receiving and transmitting the DL channels and the UL channels, respectively, based on the updated spatial filters.

Method and apparatus for joint and separate beam indication

A method of operating a user equipment (UE) includes receiving first information for a physical cell identifier (PCI) different from a serving cell PCI; receiving second information for source or measurement reference signals (RSs) for the PCI; determining, based on one or more transmission configuration indicator (TCI) states, the first information, and the second information, a reception spatial domain filter for reception of at least one of downlink (DL) RSs and channels from the PCI; and measuring, based on the first information and the second information, the measurement RS. The method further includes determining, based on the measured measurement RSs, the first information, and the second information, a beam report and transmitting the beam report for the PCI on an uplink (UL) channel. A beam refers to a spatial property used to receive or transmit a source RS or a channel.

Method and apparatus for inter-cell downlink and uplink beam indication, measurement and reporting

Methods and apparatuses for measuring and reporting channel parameters in a distributed antenna wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for reporting in a channel state information (CSI) report a channel offset for a target entity; measuring one or more measurement reference signals (RSs) for determining the channel offset; determining, based on the measured one or more measurement RSs, the channel offset for the target entity; and transmitting, at least based on the configuration, the CSI report including a channel offset report associated with the determined channel offset. The measurement RSs comprise channel state information reference signals (CSI-RSs), synchronization signal blocks (SSBs), or both CSI-RSs and SSBs.

Method and apparatus for measuring and reporting communication parameters

A method for operating a user equipment (UE) comprises receiving at least one channel state information (CSI) report setting about a first type of quantities CSI(1), . . . , CSI(N) for N>1 remote radio heads (RRHs), each RRH comprising a group of CSI reference signal (CSI-RS) ports, wherein N=a number of RRHs; receiving at least one CSI-RS resource setting about a second type of quantities CSI-RS(1), . . . , CSI-RS(N) transmitted from Ngroups of CSI-RS ports, wherein at least one of the at least one CSI report setting or the at least one CSI-RS resource setting is not equal to N; and based on the at least one CSI report setting and the at least one CSI-RS resource setting: measuring CSI-RS(1), . . . , CSI-RS(N); and determining, based on the measurement, CSI(1), . . . , CSI(N); and transmitting CSI(1), . . . , CSI(N).

Method and apparatus for CSI measurement and reporting

Methods and apparatuses for channel and interference measurement in a wireless communication system. A method for operating a user equipment (UE) includes receiving a reporting setting and receiving a resource setting associated with the reporting setting. The reporting setting is configured with a higher layer parameter reportQuantity that is set to at least cri-SINR. The resource setting is configured with a higher layer parameter resourceType that is set to aperiodic, periodic, or semi-persistent. The method further includes receiving a first set of reference signals (RSs) through a first set of RS resources; receiving a second set of RSs through a second set of RS resources; measuring at least one RS in the first or second sets of RSs; and determining, based on the reporting setting and the measured at least one RS, one or more layer-1 signal-to-noise and interference ratios (L1-SINRs).

Method and apparatus for channel and interference measurement in a wireless communications system

Methods and apparatuses for beam measurement and reporting in a wireless communication system. A method of operating a user equipment (UE) includes identifying an indication for reporting, in a channel state information (CSI) report, at least a first group of two resource indicators and corresponding beam metrics associated with a first entity identity (ID) and a second entity ID, respectively, and transmitting, in the CSI report, the first group of two resource indicators and the corresponding beam metrics. The first or second entity IDs correspond to at least one of: a physical cell identity (PCI) corresponding to a serving cell PCI or a PCI different from the serving cell PCI; and a PCI index pointing to a PCI corresponding to the serving cell PCI or a PCI different from the serving cell PCI in a list of PCIs that are higher layer configured to the UE.

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Richardson, TX, United States of America

Dalin Zhu