4426results about "Distributed allocation" patented technology

Systems, methods, and instrumentalities are described herein for supporting low power high accuracy positioning (LPHAP). A wireless transmit / receive unit (WTRU) may receive configuration information (e.g., in a radio resource control (RRC) reconfiguration message) from a first cell. The configuration information may indicate a first sounding reference for positioning (SRSp) configuration and a second SRSp configuration. The first SRSp configuration may be associated with a first positioning area and the second SRSp configuration may be associated with a second positioning area. The first positioning area may include a first cell ID set and the second positioning area may include a second cell ID set. The first SRSp configuration may be activated and the second SRSp configuration may be deactivated.

Disclosed are systems, apparatuses, processes, and computer-readable media to determine a location of a device using carrier phase positioning. A process includes transmitting, at the device to a network entity, a phase measurement capability of a device (e.g., a user equipment (UE)) for subcarrier set pairs of different resources received by the device. The different resources are associated with a reference signal. The process can include receiving, at the device, a phase measurement request from a network entity for configuring phase measurements of the subcarrier set pairs of the different resources. The process can include transmitting a phase measurement report to the network entity based on the phase measurement request, the phase measurement report including information associated with a measured phase difference of at least one subcarrier set pair associated with the different resources.

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.

Disclosed are a method and device for transmitting and receiving signals and channels in a wireless communication system. A method performed in a wireless communication system by a UE according to an embodiment may comprise: first DCI indicating a new data indicator (NDI) value and an HARQ process number (HPN) value is received in a first cell; a group common PDSCH scheduled by the first DCI is received in the first cell; second DCI indicating the NDI value and the HPN value is received in a second cell; and a UE-dedicated PDSCH scheduled by the second DCI is received in the first cell. Here, the UE-dedicated PDSCH may be received by being determined as the retransmission of a transport block (TB) of the group common PDSCH based on a pre-configured condition.

Example embodiments of the present disclosure relate to an effective mechanism for handing the scenario of discontinuous coverage. In this solution, the terminal device generates at least one beam report based on an active transmission configuration indicator (TCI) state of the terminal device, where the terminal device is configured with at least one of a serving cell associated with a first physical cell identity (PCI) and a neighbor cell associated with a second PCI. The terminal device further transmits the at least one beam measurement report in the serving cell or in the neighbor cell. In this way, the number of reporting the useless and unnecessary measurements result is reduced.

Provided is an operation method based on multiple access points (APs), applicable to a first AP device. The method includes: transmitting a first frame to establish a protected predetermined service period based on a multi-AP operation for a first station (STA) device, wherein the protected predetermined service period based on the multi-AP operation is a protected predetermined service period negotiated and established by the first AP device and at least one second AP device.

A wireless device transmits a user equipment (UE) capability message. The UE capability message comprises: a first parameter indicating, per cell, whether the wireless device supports two timing advance groups (TAGs) for intra-cell multiple transmission and reception point (multi-TRP) operation; and a second parameter indicating, per band combination, a maximum number of TAGs that the wireless device supports. The wireless device receives one or more radio resource control (RRC) messages indicating: transmission configuration indicator (TCI) states for uplink transmissions via a cell; and two TAGs for the cell. The wireless device receives downlink control information (DCI) indicating a TCI state among the TCI states for the cell. The TCI state is associated with a TAG among the two TAGs of the cell. The wireless device transmits, based on a timing advance of the TAG associated with the TCI state, an uplink transmission using the TCI state.

Various embodiments herein provide techniques for sidelink (SL) communication on unlicensed spectrum. For example, embodiments provide techniques for a physical sidelink feedback channel (PSFCH) and / or a SL synchronization signal block (S-SSB), such as techniques related to a listen-before-talk (LBT) procedure and / or occupied channel bandwidth (OCB) requirements. Other embodiments may be described and claimed.

According to embodiments, a UE receives, from a network device, a configuration of a sounding reference signals (SRS) resource with 8 antenna ports, a transmission comb configuration for the SRS resource, and a cyclic shift (CS) configuration for the SRS resource. The transmission comb configuration indicates a comb value K. K is one of 2, 4, or 8. The transmission comb configuration further indicates a configured comb offset (k). k is an integer between 0 and K−1. The CS configuration indicates CS positions. The UE maps each port of the 8 antenna ports to corresponding resource elements (REs) in the frequency domain and a corresponding CS. The corresponding REs are a subset of a plurality of REs and on every K-th RE with an offset based on the configured comb offset (k) within an SRS transmission bandwidth. The UE transmits SRSs using the 8 antenna ports based on the mapping.

Methods and apparatus such as User Equipments (UEs) and network nodes are provided. In an example, a method in a network node of determining a configuration of a User Equipment (UE) to perform a measurement on a second cell is provided, wherein the UE is served by a first cell. The method comprises determining whether the measurement is an inter-frequency measurement or an intra-frequency measurement based on a reference frequency and a frequency of a reference signal on the second cell, wherein the reference frequency comprises a frequency of a reference signal of an active bandwidth part (BWP) of the UE.

The disclosure relates to a method and apparatus for transmitting and receiving signals in a wireless communication system. A user equipment (UE) according to an embodiment of the disclosure may receive information about a resource for uplink (UL) control information transmission and MA signature configuration, determine based on the resource for UL control information transmission whether the resource allocated for the UL control information transmission overlaps a resource allocated for UL data transmission, determine whether to multiplex the UL control information when it is determined that the resource allocated for the UL control information transmission overlaps the resource allocated for UL data transmission, and based on a result of the determining, multiplex the UL control information with UL data based on the information about the MA signature configuration and transmit a result of the multiplexing.

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.

Methods, systems, and devices for wireless communications are described that support uplink reporting techniques for multi transmission-reception point (TRP) transmissions. Various reporting configurations may be provided that allow for user equipment (UE) communications via multiple concurrent wireless connections with multiple TRPs. A UE may identify a reporting configuration and transmit a report (e.g., a buffer status report (BSR) or a power headroom report (PHR)) to one or more of the TRPs based on the identified reporting configuration. The multiple TRPs may have non-ideal backhaul connections and the reporting configuration may allow the UE to transmit separate reports to different TRPs. The different TRPs may then use the separate reports for corresponding communications with the UE. In cases where shared radio frequency spectrum is used for communications, a single channel access priority class (CAPC) for multiple TRPs may be determined for a contention-based channel access procedure.

A Master Node (MN) 110 and a method therein for handling of a Secondary Cell Group (SCG) for a UE 120 operable in a dual connectivity mode with the MN and a Secondary Node (SN) 111 operating in a network 100. A Master Cell Group (MCG) is 5 associated with the MN and the SCG is associated with the SN. The MN decides to perform a first operation relating to a suspension or a resumption of the SCG independently from a second operation relating to a suspension or a resumption of the MCG. The MN transmits, to the UE, an indication indicating the first operation and indicating the second operation. Further, the MN transmits, to the SN, an indication 10 indicating the first operation relating to the suspension or the resumption of the SCG.

A method for receiving a DM-RS by a user equipment (UE) in a wireless communication system is disclosed, compises receiving activation information; transmitting feedback information on the activation information; receiving downlink control information (DCI) including i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the DM-RS based on the DCI, wherein the activation information includes information related to mapping of a code point of the TCI field and a TCI state, wherein based on the TCI field indicating a code point mapped with a plurality of TCI states, and the antenna port field indicating antenna ports of a plurality of code division multiplexing (CDM) groups, a first TCI state among the plurality of TCI states corresponds to a CDM group associated with a first antenna port based on an instruction order of the antenna ports.

Disclosed are a method and device for a first terminal to transmit a positioning reference signal (PRS) through a physical sidelink feedback channel (PSFCH) in a wireless communication system supporting sidelink communication according to various embodiments. Disclosed are a method and device, wherein the method comprises the steps of: allocating a first frequency resource region for a PRS within a resource region for the PSFCH so that the PRS is multiplexed with a feedback signal; transmitting allocation information on the first frequency resource region; and transmitting the PRS and the feedback signal through the PSFCH on the basis of the allocation information, wherein the size of the first frequency resource region is determined on the basis of the size of a pre-configured frequency resource for the feedback signal and the type of the multiplexing, and the allocation information includes information on the multiplexing type, the size of the first frequency resource region, and the start frequency of the first frequency resource.

Systems and methods for configured grant for multi-panel Uplink (UL) transmission are provided. In some embodiments, a method performed by a User Equipment (UE) for transmitting PUSCH configured grant to multiple-TRPs includes: receiving a configuration of at least one unified TCI state, indicating mTRP operation; receiving an indication of a configured grant, indicating either mTRP operation using repetition or Simultaneous Transmission Across Multiple Panels (STxMP); and transmitting a PUSCH according to the configuration o. In this way, the unified TCI state framework can be extended to mTRP and multi-panel transmission for configured grant. With the unified TCI state framework, separate spatial relations do not have to be configured for UL transmission. Hence, unified TCI state framework can provide some higher layer overhead savings. By extending unified TCI state framework for mTRP and multi-panel transmission for configured grant, configured grant based PUSCH can also leverage this advantage.

A wireless communication method includes: obtaining a first transmission opportunity for the first terminal device, where a time unit where the first side transmission opportunity is located is within a COT shared from a second terminal device; and determining a target channel access type to be used by the first terminal device according to first information. The first information includes at least one of the following information: a first sidelink SCS; first indication information used to indicate a first channel access type and / or a first duration; a detection result directed to the second sidelink transmission opportunity; a first gap between a start time of the first sidelink transmission opportunity and an end time of a second sidelink transmission opportunity; or a channel type of a channel to be transmitted.

Disclosed are a method and device for assessing radio link quality in a wireless communication system. A method for assessing radio link quality according to one embodiment of the present disclosure may comprise the steps of: receiving configuration information related to a control resource set (CORESET) from a base station; and assessing radio link quality on the basis of one or more reference signals (RS) for the CORESET related to a physical downlink control channel (PDCCH) monitored by a terminal. The radio link quality may be assessed on the basis of the one or more reference signals among a plurality of reference signals for which a quasi co-location (QCL) related to a spatial reception parameter for the CORESET has been set.

Methods and apparatuses for transmissions and receptions in full-duplex systems. A method of operating a user equipment (UE) includes receiving a first candidate subband full-duplex (SBFD) configuration associated with a first transmission configuration indicator (TCI) state configuration on a cell; receiving a second candidate SBFD configuration associated with a second TCI state configuration on the cell; and identifying a TCI state code point. The method further includes selecting (i) the first candidate SBFD configuration when a value of the TCI state code point is associated with the first TCI state configuration or (ii) the second candidate SBFD configuration when the value of the TCI state code point is associated with the second TCI state configuration and receiving or transmitting a channel or signal based on the selected SBFD configuration.

Apparatuses, systems, and methods for Unified transmission configuration indicator (TCI) configuration and default beam for multi-beam indication, e.g., in 5G NR systems and beyond, including systems, methods, and mechanisms for supporting cross-cell TCI state list sharing and common TCI ID indication with regard to different multi-TRP operation in different serving cells as well as for determining which TCI to use to buffer data when a scheduling offset is below a threshold when multiple TCI states are indicated (e.g., which TCI state is a default TCI state).

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive first control signaling indicating a demodulation reference signal (DMRS) port mapping configuration for a set of antenna port field values. For each antenna port field value, the DMRS port mapping configuration may include a first mapping between a first codeword corresponding to a first transmission-reception point (TRP) and a first code-division multiplexing (CDM) group, and a second mapping between a second codeword corresponding to a second TRP and a second CDM group. The UE may receive second control signaling that indicates an antenna port field value from the set of antenna port field values. The UE may then receive, based on the antenna port field value, first and second DMRSs including the first and second codewords, respectively, via first and second sets of DMRS ports corresponding to the first and second CDM groups, respectively.

A method for a physical uplink shared channel (PUSCH) repetition via a plurality of transmission and reception points (TRPs) including receiving, by a wireless device, one or more configuration parameters indicating a time gap for switching between different spatial domain filters for uplink repetitions. The method may include receiving downlink control information (DCI) scheduling repetitions of a transport block. In an example, the DCI indicates a first spatial domain filter for a first repetition of the repetitions and a second spatial domain filter for a second repetition of the repetitions. The method may include transmitting, with the second spatial domain filter, the second repetition starting from a starting symbol determined based on a last symbol of the first repetition and the time gap.

Embodiments of the present disclosure relate to a method and apparatus for multiple transmit-receive points (multi-TRP) transmission. According to an embodiment of the present disclosure, a method can include: receiving first configuration information for uplink phase tracking reference signal (PT-RS) and second configuration information indicating a plurality of sounding reference signal (SRS) resource sets, wherein each of the plurality of SRS resource sets is associated with at least one physical uplink shared channel (PUSCH) repetition; for each PUSCH repetition, determining a number of PT-RS ports for transmitting the uplink PT-RS; and transmitting two or more PUSCH repetitions. Embodiments of the present disclosure can resolve the issues caused by the imbalance numbers of PT-RS ports between different TRPs.

A method performed by a WTRU may include receiving a random access channel (RACH) configuration indicating a plurality of RACH occasions. The RACH occasions within respective subsets are frequency division multiplexed. The method includes receiving configuration information indicating at least one transmit power threshold and information indicating resources associated with a mode of operation, and receiving criteria for selecting a RACH occasion that defines a group of RACH occasions from at least one subset that overlap with at least one uplink subband. The method includes sending a preamble transmission using a calculated transmit power in a selected RACH occasion, wherein, on a condition the calculated transmit power exceeds the transmit power threshold, the selected RACH occasion is selected from the defined group of the plurality of RACH occasions that overlap with the at least one uplink subband.

A user device, UE, for a wireless communication system, like a 3rd Generation Partnership Project, 3GPP, system, is disclosed. The UE receives and / or transmits one or more physical channel transmissions. The one or more of the physical channel transmissions are received or transmitted without any associated DeModulation Reference Signal, DMRS, or with a partial or full DMRS muting.

Methods, systems, and devices for wireless communications are described. A UE may receive, from a network entity, control signaling identifying two or more transmission configuration indicator states that are to be applied to communications of one or more channels subsequent to a determined time; receive, from the network entity, control information associated with one or more resource allocations for communications after the determined time; and communicate via the one or more channels according to a first transmission configuration indicator state of the two or more transmission configuration indicator states based at least in part on a parameter associated with the control information and the two or more transmission configuration indicator states.