Abstract: Apparatus and methods are provided to for RRM measurement in the new radio (NR) access system. In one novel aspect, multiple transmission (TX) beams are measured by a user equipment (UE) with multiple receiving (RX) beams, stores the measured TX-RX pair in a measurement matrix, and calculates a consolidation measurement for each cell based on a consolidation rule. In one embodiment, the consolidation rule indicates generating a RX consolidated vector by consolidating all RX beams with the same TX beam ID, and subsequently, generating the consolidation measurement for the cell based on the RX consolidated vector. In another embodiment, the measurement matrix is layer-3 filtered and consolidated. In yet another embodiment, the UE sends a measurement report, either contains the consolidated measurement or the measurement vector, to the NR network based on the consolidation measurement. In one embodiment, the network performs consolidation on the received measurement vector.

Abstract: A method for a user equipment (UE) monitoring a physical downlink control channel (PDCCH) for power saving signaling is disclosed. The method comprises receiving a discontinuous reception (DRX) configuration from a base station (BS) to configure the UE to monitor a scheduling signal on the PDCCH within a DRX active time, and receiving a configuration from the BS to configure the UE to monitor the power saving signaling on the PDCCH and instructing the UE to wake up for monitoring the scheduling signal in the DRX active time, wherein the configuration includes a time in milliseconds prior to a start of a DRX on-duration time, and instructs the UE to start monitoring the PDCCH for the power saving signaling.

Abstract: A method, performed by a User Equipment (UE), for Uplink (UL) transmission management includes the UE determining a default spatial domain transmission filter for an UL resource according to at least one Quasi Co-Location (QCL) parameter of a Control Resource Set (CORESET) after determining that the UL resource is not configured with a spatial domain transmission filter and a pathloss reference Reference Signal (RS) resource, and transmitting the UL resource by applying the default spatial domain transmission filter.

Abstract: A method of default Quasi-Co-Location (QCL) assumption for Physical Downlink Shared Channel (PDSCH) reception in NR network is proposed. When PDSCH is scheduled by a DCI over PDCCH after a Scheduling Offset, the spatial RX filter for the PDSCH reception can be determined according to a QCL indication conveyed by the DCI. When the Scheduling Offset for PDSCH reception scheduled by DCI is less than a time duration, then a default QCL assumption is applied. UE assumes that the DMRS ports of PDSCH of a serving cell are QCLed with the RS(s) with respect to QCL parameter(s) used for PDCCH QCL indication of a CORESET. The CORESET is associated with a UE-monitored search space in the latest slot with the lowest CORESET-IF on an active BWP on the serving cell.

Abstract: A method of transmitting secondary cell (SCell) beam failure recovery request (BFRQ) information in a beam failure recovery (BFR) procedure for a user equipment (UE) is disclosed. The method comprises receiving, from a base station (BS), at least one scheduling request (SR) resource configuration and at least one SR configuration, triggering a first SR-for-BFR procedure for requesting an uplink (UL) resource according to a first of the at least one SR configuration and corresponding to an SR-for-BFR transmission, wherein one of the at least one SR resource configuration indicates a first physical uplink control channel (PUCCH) resource for the SR-for-BFR transmission, and transmitting, to the BS, uplink control information (UCI) on a second PUCCH resource, wherein a payload of the UCI includes an indication associated with the SR-for-BFR transmission.

Abstract: A method of determining one or more PSFCH resources for HARQ feedback in sidelink communication for a first UE is disclosed. The method comprises receiving a first SCI for scheduling a first PSSCH transmission, from a second UE, receiving a second SCI for scheduling a second PSSCH transmission, from the second UE, determining priorities of a first HARQ feedback corresponding to the first PSSCH transmission and a second HARQ feedback corresponding to the second PSSCH transmission according to the first SCI and the second SCI, and transmitting a PSFCH for at least one of the first HARQ feedback and the second HARQ feedback with a higher priority according to the determined priorities, to the second UE when a first PSFCH resource for the first HARQ feedback and a second PSFCH resource for the second HARQ feedback are at least overlapped in the time domain.

Abstract: A method for Beam Failure Recovery (BFR) performed by a User Equipment (UE) includes the UE receiving, from a Base Station (BS), a first configuration indicating a first Reference Signal (RS) associated with a first cell of the BS, determining whether a first beam failure event is detected on the first cell by assessing a first radio link quality based on the first RS, triggering a first BFR procedure for the first cell when the first beam failure event is detected on the first cell, and when the first BFR procedure is triggered and not cancelled, performing operations including: determining whether the UE is allocated with an Uplink (UL) resource that is available for transmitting a BFR report, where the UL resource is a Physical Uplink Shared Channel (PUSCH) resource, when the UE is allocated with the UL resource, generating, in response to the first BFR procedure, the BFR report, and transmitting, on the UL resource, the BFR report to the BS, and when the UE is not allocated with the UL resource, triggerin

Abstract: Apparatus and methods are provided for initial access in the multi-beam operation. In one novel aspect, the UE receives multiple response messages and selects one message as the response message. In one embodiment, the UE selects a subset of a configured UL resources, transmits a first message, wherein the first message is transmitted one or more times on each of the selected set of UL resources, receives one or more first-message-response messages from the BS, and selects one response message, wherein the selected response message indicates a corresponding BS RX resource, which is used by the UE for subsequent communication with the BS. In one embodiment, the selection of UL resources is at least based on transmitting spatial characteristics of the BS, the UE or both, which indicates whether the BS/UE is reciprocal, partial reciprocal or non-reciprocal.

Abstract: Apparatus and methods are provided using interleaved frequency division multiple access (IFDMA)-based beam management reference signal for TX and RX beam sweeping. In one novel aspect, a set of IFDMA-based BM RS for TX and RX beam sweeping is configured by decomposing a defined reference numerology into N equal-length sub-time units such that the TX and RX beams can switch across sub-time unit boundary. In another novel aspect, a set of IFDMA-based beam management RS for TX and RX beams are configured by concatenating a plurality of IFDMA signals each defined over a corresponding numerology, wherein at least two IFDMA signals have different numerologies. TX and RX beam sweeping are performed based on corresponding TX and RX beam switching points. In another embodiment, the RS is a channel state information RS for a downlink measurement and a sounding reference signal for an uplink measurement.

Abstract: A method of default uplink beam determination after radio resource control (RRC) connection reestablishment in a beamforming system is proposed. For uplink (UL) transmission, the BS provides dedicated physical uplink control channel (PUCCH) resource configuration to UE. The configuration includes spatial relation information that indicates the spatial domain transmission filter to be used by UE for the corresponding PUCCH transmission. After RRC connection re-establishment and before a dedicated PUCCH configuration is received, a default UE TX beam can be determined based on the UE TX beam used during the RRC connection re-establishment procedure, e.g., the UE TX beam used to transmit MSG3 in a four-step random-access channel (RACH) procedure triggered by the RRC connection re-establishment procedure.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines that a random access event has occurred. The UE detects one or more down-link reference signals that are UE-specifically configured or predefined. The UE further selects a first message that is associated with a first down-link reference signal of the one or more down-link reference signals, the first down-link reference signal being quasi-colocated with a first DMRS of a serving control channel of the UE. The UE sends the first message to a base station to request a random access to the base station.

Abstract: Methods and apparatus are provided for mobility support through beam tracking in the new radio access system. In one novel aspect, one or more beam-sets are configured for fast beam tracking. Each beam-set includes one or more multiple beams or transmit-receive points (TRPs). The UE performs the mobility support through lower layer based on one or more configured beam-sets. The lower layer can be a MAC layer or a PHY layer. In one embodiment, a channel status information (CSI) set and a transmission set are configured. The UE performs CSI measurements on all beams of the CSI set for potential beam tracking and data transmitting and receiving, and control signaling through one or more beams of the transmission set. In another embodiment, the UE further configures a candidate set. The beam-sets can be configured by the network or by the UE.

Abstract: Aspects of the disclosure provide a method for determination of a transmission or reception beam format in a random access process. The method can include determining, at a local entity, the Tx beam format or the Rx beam format for communication between the local entity and a remote entity during the random access process between the local entity and the remote entity in a wireless communication system employing beamforming techniques according to historical operations and channel reciprocity availability. The method can further includes transmitting or receiving, at the local entity, a random access message exchanged between the local entity and the remote entity according to the determined Tx beam format or Rx beam format, respectively.

Abstract: A method for sidelink (SL) control information (CSI) acquisition performed by a UE is provided. The method includes receiving a first SCI format from another UE, the first SCI format including resource allocation information of a second SCI format; receiving the second SCI format from the another UE based on the first SCI format, the second SCI format including a CSI request field and a source identifier (ID) field corresponding to the another UE; and generating a CSI report triggered by the second SCI format.

Abstract: A method of deriving a Quasi-CoLocation (QCL) assumption for a user equipment (UE) in multi-panel transmission is disclosed. The method comprises obtaining a plurality of control resource set (CORESET) groups from a network of the wireless communication system, determining a default QCL assumption for demodulation reference signal (DM-RS) port(s) of at least one physical downlink share channel (PDSCH), reception scheduled by a scheduling physical downlink control channel (PDCCH) according to a CORESET of one of the plurality of CORESET groups when a time offset between a reception of downlink control information (DCI), in the scheduling PDCCH and the at least one PDSCH reception is less than a threshold, wherein at least one of the plurality of CORESET groups includes at least one CORESET for indicating a QCL assumption, and applying the default QCL assumption for reception of the DM-RS port(s) of the at least one PDSCH.

Abstract: A method of beam reciprocity state reporting and uplink beam management in wireless communication systems with beamforming is proposed. In one novel aspect, a BS configures one or more resource sets to a UE for uplink beam management. The one or more resource sets are allocated for UE to transmit UL reference signals using a number of UE beams. The number of UE beams to be trained is reported by the UE, e.g., via a “UE beam reciprocity state (update)” message. The BS also indicates whether a fixed UE TX beam or which UE TX beam is used for transmission, or indicates whether different UE TX beams are used for transmission of different resources in a resource set. The BS then feedback measurement results for UE to choose a proper TX beam.

Abstract: A method of closed-loop power control for a user equipment (UE) in multi-panel transmission is disclosed. The method comprises receiving a transmission power control (TPC) command indicating at least a power control adjust value carried by downlink control information (DCI), obtaining antenna panel information for identifying a characteristic of one of a plurality of antenna panels of the UE, and applying the power control adjust value to at least one antenna panel for physical uplink (UL) shared channel (PUSCH)/physical UL control channel (PUCCH) transmission according to the obtained antenna panel information.

Abstract: A User Equipment (UE), and associated method, including a wireless transceiver, configured to perform wireless transmission and reception to and from a cellular station. A controller is configured to use a first preamble to perform a synchronous transmission on a PRACH to the cellular station via the wireless transceiver, and use a second preamble to perform either of at least two different types of transmission, the two different types of transmission comprising an asynchronous transmission and a synchronous transmission to the cellular station via the wireless transceiver; wherein the controller is further configured to receive a random access response to the synchronous transmission from the cellular station via the wireless transceiver, and wherein a Timing Advance (TA) estimation is not required for the synchronous transmission.

Abstract: A method of beam failure recovery request (BFRQ) transmission is proposed. UE can search for UE-specific control channel in a search space that is signaled specifically for monitoring network response of the BFRQ. Furthermore, configurations indicated specifically for BFRQ can be carried by dedicated signaling such as high-layer radio resource control (RRC) signaling. After successfully rebuilding connection, UE assumes the demodulation reference signal (DMRS) ports of UE-specific control channel to be spatially quasi-co-located (QCL-ed) with the reference signals identified during the beam failure recovery procedure.

Abstract: The present disclosure provides an embodiment of a reflective mask that includes a substrate; a reflective multilayer disposed on the substrate; an anti-oxidation barrier layer disposed on the reflective multilayer and the anti-oxidation barrier layer is in amorphous structure with an average interatomic distance less than an oxygen diameter; and an absorber layer disposed on the anti-oxidation barrier layer and patterned according to an integrated circuit layout.