公开(公告)号：US12082184B2

公开(公告)日：2024-09-03

申请号：US17480942

申请日：2021-09-21

Applicant: MEDIATEK INC.

Inventor： Cheng-Rung Tsai

IPC: H04W72/1263 ,  H04W52/14 ,  H04W72/23

CPC classification number: H04W72/1263 ,  H04W52/143 ,  H04W72/23

Abstract: Apparatus and methods are provided for configuring TCI state activation and indication for DL transmission and UL transmission. In one novel aspect, list(s) associated with DL transmission, UL transmission or both DL transmission and UL transmission is/are provided. In particular, a UE can be configured with a plurality of TCI states. After being configured with the TCI states, the UE can receive a command that includes the list(s) associated with DL transmission, UL transmission or both DL transmission and UL transmission. The list(s) records a plurality of TCI state identifications. Accordingly, when the UE receives a value of a TCI field from a DCI and the value maps to designated TCI state identification(s) recorded on the list(s), the UE can apply designated TCI state(s) corresponding to the designated TCI state identification(s) for DL transmission, UL transmission or both DL transmission and UL transmission.

公开(公告)号：US20240187185A1

公开(公告)日：2024-06-06

申请号：US18525680

申请日：2023-11-30

Applicant: MEDIATEK INC.

Inventor： Yi-Ru Chen ,  Cheng-Rung Tsai

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04L5/0091

Abstract: Method and user equipment (UE) are provided for the TCI state indication for PUSCH transmission. In one novel aspect, the UE maps PUSCH transmission with codebook/noncodebook-based TCI states based on codepoint for SRS resource set of DCI format 0_1 or DCI format 0_2. In one embodiment, UE applies the first or the second TCI state to all PUSCH transmission occasions when the codepoint is “00” or “01”, respectively. When the codepoint is “10” or “11”, the UE applies the first and the second indicated joint/UL TCI state to the PUSCH transmission occasions (s) associated with the first and second SRS resource set, respectively when no multi-panel scheme is configured; and when multi-panel scheme is configured with, such as “SDMscheme”, UE applies the first and the second indicated joint/UL TCI state to the PUSCH antenna ports associated with the first and second SRS resource set, respectively.

公开(公告)号：US20240072878A1

公开(公告)日：2024-02-29

申请号：US18464215

申请日：2023-09-09

Applicant: MEDIATEK INC.

Inventor： Gyu Bum Kyung ,  Cheng-Rung Tsai

IPC: H04B7/08 ,  H04L5/00 ,  H04W56/00 ,  H04W76/19 ,  H04W80/02

CPC classification number: H04B7/088 ,  H04L5/0051 ,  H04W56/001 ,  H04W76/19 ,  H04W80/02

Abstract: A unified solution to support all PCell, SCell, and per-TRP based beam failure recovery (BFR) procedure is proposed, with less standard impact and reduced latency. In a first novel aspect, a set of reference signals (RSs) for BFD is configured for each BWP of a serving cell, and a maximum number of BFD RSs (N) per TRP for each BWP of a serving cell is configured. In a second novel aspect, for single DCI multi-TRP, the BFD RSs can be updated via MAC CE to reduce latency. In a third novel aspect, new RRC parameters for BFD RSs and candidate beam RSs are configured, with different sets of SSB/CSI-RS resources associated to each TRP. Specifically, an additional lists of SSB/CSI-RS resource set is defined for each corresponding TRP.

公开(公告)号：US11848878B2

公开(公告)日：2023-12-19

申请号：US16407435

申请日：2019-05-09

Applicant: Mediatek Inc.

Inventor： Chiou-Wei Tsai ,  Jiann-Ching Guey ,  Chun-Hsuan Kuo ,  Cheng-Rung Tsai

IPC: H04L5/00 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/02 ,  H04W72/23 ,  H04W72/51 ,  H04W72/21 ,  H04W74/08

CPC classification number: H04L5/0039 ,  H04L5/0055 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/21 ,  H04W72/23 ,  H04W72/51 ,  H04W74/0816

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 detects one or more signals transmitted from a base station in a first unit of a set of units contained in a bandwidth part of an unlicensed carrier, the first unit having contiguous frequency resources. The one or more signals indicating that the base station has occupied the first unit for a first time duration and indicating a schedule of a set of slots in the first time duration for communication with the base station. The UE receives, in a first time slot of the set of slots and from the base station, a control channel.

公开(公告)号：US11825492B2

公开(公告)日：2023-11-21

申请号：US17879212

申请日：2022-08-02

Applicant: MEDIATEK INC.

Inventor： Cheng-Rung Tsai ,  Chiou-Wei Tsai

IPC: H04W72/04 ,  H04W72/23 ,  H04W72/1268 ,  H04W72/0453 ,  H04L1/1812 ,  H04L5/00 ,  H04W72/0446

CPC classification number: H04W72/23 ,  H04L1/1819 ,  H04L5/0055 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1268

Abstract: Aspects of the disclosure further provide an apparatus and a method for wireless communication. The apparatus includes processing circuitry that receives, from a base station (BS), a downlink (DL) grant scheduling an uplink (UL) transmission to the BS. The DL grant indicates a first type of channel access procedure for the UL transmission. The processing circuitry further receives channel occupancy information for a channel occupancy that is initiated by the BS. The processing circuitry switches, from the first type of channel access procedure, to a second type of channel access procedure for the UL transmission according to the first type of channel access procedure and the channel occupancy information.

公开(公告)号：US20230090834A1

公开(公告)日：2023-03-23

申请号：US17861538

申请日：2022-07-11

Applicant: MEDIATEK INC.

Inventor： Cheng-Rung Tsai ,  Chia-Hao Yu

IPC: H04W24/04 ,  H04W24/08 ,  H04L5/00

Abstract: A beam failure recovery (BFR) procedure is proposed. The network node may allocate one or more New-Beam-Identification Reference-Signal (NBI-RS) resource sets for a user equipment (UE) and report the allocated NBI-RS resource sets to the UE, wherein the NBI-RS resource sets may be associated with a serving Transmission and Reception Point (TRP) and at least one candidate TRP. The UE may perform a beam failure detection (BFD) procedure to determine whether a beam failure happens, perform a New Beam Identification (NBI) procedure based on the NBI-RS resource sets allocated by the network nodel, and perform a recovery procedure to a serving TRP or a candidate TRP to reduce the latency of conventional recovery procedure.

公开(公告)号：US20230089145A1

公开(公告)日：2023-03-23

申请号：US17861568

申请日：2022-07-11

Applicant: MEDIATEK INC.

Inventor： Cheng-Rung Tsai ,  Chia-Hao Yu

IPC: H04B7/08 ,  H04W56/00

Abstract: A new beam identification method is proposed. The UE determines whether a quality of at least one NBI-RS resource associated with a serving Transmission and Reception Point (TRP)is larger than or equal to a first threshold. The UE determines whether a quality of at least one NBI-RS resource associated with at least one candidate TRP is larger than or equal to a second threshold. The UE selects a new beam for a recovery procedure based on determining results associated with the serving TRP and the at least one candidate TRP.

公开(公告)号：US20220321312A1

公开(公告)日：2022-10-06

申请号：US17686791

申请日：2022-03-04

Applicant: MEDIATEK INC.

Inventor： Tzu-Han Chou ,  Cheng-Rung Tsai ,  Jiann-Ching Guey

IPC: H04L5/00

Abstract: A partial sounding method for sounding-reference-signal (SRS) is proposed. The network node may transmit higher-layer signal configuring a fractional SRS resource for partial sounding in configured resource blocks (RBs) to user equipment (UE). The UE may determine an SRS sequence length and a frequency-domain starting position of the fractional SRS resource based on the higher-layer signal to increase the SRS capacity.

公开(公告)号：US11191063B2

公开(公告)日：2021-11-30

申请号：US16715489

申请日：2019-12-16

Applicant: MEDIATEK INC.

Inventor： Cheng-Rung Tsai

IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00

Abstract: A method for providing multiple physical uplink control channel (PUCCH) resources for a uplink control information (UCI) report can include receiving one or more PUCCH resource configurations from a base station (BS) at a user equipment (UE) in a wireless communication system, and determining a first PUCCH resource configuration from the one or more PUCCH resource configurations for reporting a UCI. The first PUCCH resource configuration can indicate multiple frequency domain transmission occasions in a bandwidth. The UCI can be transmitted on at least one of the multiple frequency domain transmission occasions indicated by the first PUCCH resource configuration.

公开(公告)号：US20210050947A1

公开(公告)日：2021-02-18

申请号：US16907164

申请日：2020-06-19

Applicant: MediaTek Inc.

Inventor： Cheng-Rung Tsai

IPC: H04L1/18 ,  H04W72/04

Abstract: A base station provides downlink feedback information (DFI) to a user equipment (UE) in a wireless network. The base station generates hybrid automatic repeat request (HARQ) acknowledgment (HARQ-ACK) information in a downlink control information (DCI) payload for each HARQ process associated with uplink transmission from the UE to the base station. The base station sets a DFI flag in the DCI payload to a predetermined value. The base station generates error detection bits based on the DCI payload, and sends DCI to the UE. The DCI includes the DCI payload and the error detection bits scrambled with a configured scheduling radio network temporary identifier (CS-RNTI).