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公开(公告)号：US20230044253A1
公开(公告)日：2023-02-09
申请号：US17840860
申请日：2022-06-15
Applicant: MEDIATEK INC.
Inventor： Cheng-Rung Tsai
Abstract: A partial sounding method for sounding-reference-signal (SRS) is proposed. The network node may transmit the report configuration to the user equipment (UE). The UE may determine at least one resource group based on the report configuration and report a report comprising the resource group or resource groups to the network node. The report may comprise an indicator to indicate that a first resource index in the report is associated with the first resource set or the second resource set. The network node may know that the first resource index of the report is associated with which resource set based on the indicator in the report.
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公开(公告)号：US20230008553A1
公开(公告)日：2023-01-12
申请号：US17902827
申请日：2022-09-03
Applicant: MediaTek INC.
Inventor： Chiou-Wei Tsai , Cheng-Rung Tsai
Abstract: A method for UE capability signaling to support enhancements on resource allocation for Physical Downlink Control Channel (PDCCH) candidate monitoring in NR-U is proposed. A UE transfers UE capability information to a mobile communication network. The UE capability information includes information indicating whether the UE supports Control Resource Set (CORESET) configuration with a Resource Block (RB) offset. The UE receives resource allocation configuration of an unlicensed cell from the mobile communication network. The UE monitors PDCCH candidates on the unlicensed cell according to the resource allocation configuration.
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公开(公告)号：US11336403B2
公开(公告)日：2022-05-17
申请号：US16582477
申请日：2019-09-25
Applicant: MEDIATEK INC.
Inventor： Cheng-Rung Tsai , Chun-Hsuan Kuo
Abstract: A method of a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback mechanism includes receiving at a user equipment (UE) one or more first downlink control informations (DCIs) associated with first downlink transmissions belonging to a first HARQ-ACK feedback group. One of the first DCIs requests one or more second HARQ-ACK feedback groups to be acknowledged over a HARQ-ACK transmission opportunity (TxOP). A HARQ-ACK feedback for the first HARQ-ACK feedback group and the one or more second HARQ-ACK feedback groups is transmitted over the HARQ-ACK TxOP.
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公开(公告)号：US11184132B2
公开(公告)日：2021-11-23
申请号：US16683072
申请日：2019-11-13
Applicant: MEDIATEK INC.
Inventor： Lung-Sheng Tsai , Cheng-Rung Tsai , Weidong Yang
Abstract: Apparatus and methods are provided multiple transmission. In one novel aspect, TCI-state indication for non-coherent joint transmission (NCJT) channel station information (CSI) reporting is provided. The UE receives NCJT from at least a first transmission from a first transmission point (TRP) and a second transmission from a second TRP, determines a receiving (RX) spatial filter information for the NCJT and acquires channel state information (CSI) according to a report setting based on the determined RX spatial filter to simultaneously acquire at least two channel measurement resources (CMRs) and one interference measurement resource (IMR), wherein at least one CMR is from the first TRP and at least one CMR is from the second TRP. In one embodiment, the RX spatial filter information is determined based on a group-based beam reporting procedure performed by the UE. In another embodiment, the RX spatial filter information is determined based on TCI-state received from the wireless network.
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公开(公告)号：US11057780B2
公开(公告)日：2021-07-06
申请号：US16536576
申请日：2019-08-09
Applicant: Mediatek Inc.
Inventor： Chiou-Wei Tsai , Jiann-Ching Guey , Chun-Hsuan Kuo , Cheng-Rung Tsai
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 receives, from a base station, one or more downlink reference signals on an unlicensed carrier. The UE determines that the base station occupies the unlicensed carrier for a predetermined first channel occupancy time based on the one or more downlink reference signals. The UE receives, on the unlicensed carrier and in the predetermined first channel occupancy time, a control burst including a plurality of down link control channels. The UE attempts to decode a first down link control channel directed to the UE from the control burst.
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Patent Agency Ranking
公开(公告)号：US20210120580A1
公开(公告)日：2021-04-22
申请号：US17023854
申请日：2020-09-17
Applicant: MediaTek Inc.
Inventor： Cheng-Rung Tsai
Abstract: A user equipment terminal (UE) in a wireless network receives configuration information for a serving cell from a base station. The UE identifies, from the configuration information, a downlink control information (DCI) format that includes a channel occupancy duration (CO duration) field for the serving cell. After detecting the DCI format, the UE determines, from the CO duration field for the serving cell included in the DCI format, a channel occupancy in a time domain for the serving cell at a symbol-level granularity.
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公开(公告)号：US20200314810A1
公开(公告)日：2020-10-01
申请号：US16823770
申请日：2020-03-19
Applicant: MediaTek Inc.
Inventor： Cheng-Rung Tsai , Jiann-Ching Guey
Abstract: A user equipment terminal (UE) operates in a wireless network according to a configuration. The UE receives the configuration for a physical downlink control channel (PDCCH), and detects downlink control information (DCI) in the PDCCH. From the DCI, the UE receives control information for a serving cell configured with one or more bandwidth units in a frequency domain. The control information is provided for each bandwidth unit of the serving cell. According to the control information, the UE performs a downlink reception from the serving cell or an uplink transmission to the serving cell.
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公开(公告)号：US20200228992A1
公开(公告)日：2020-07-16
申请号：US16739328
申请日：2020-01-10
Applicant: MediaTek Inc.
Inventor： Cheng-Rung Tsai , Pei-Kai Liao
Abstract: For downlink (DL) reception in an unlicensed spectrum, a UE receives control signaling indicating an active DL bandwidth part (BWP), and DL control information indicating scheduled radio resources within the active DL BWP. The UE receives an encoded signal containing code blocks (CBs) of a transport block (TB) over the clusters in the active DL BWP that are determined to be clear based on listen-before-talk (LBT), and decodes the CBs in a frequency-first order within a cluster of the active DL BWP followed by a time order and then a cluster order in a slot. For uplink (UL) transmission, a UE encodes the CBs in a frequency-first order within a cluster of the active UL BWP followed by a time order and then a cluster order in a slot, and transmits the encoded signal over a cluster of the active UL BWP that is clear for transmission based on LBT.
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公开(公告)号：US20190312660A1
公开(公告)日：2019-10-10
申请号：US16377123
申请日：2019-04-05
Applicant: MediaTek Inc.
Inventor： Chun-Hsuan Kuo , Jiann-Ching Guey , Chiou-Wei Tsai , Ming-Po Chang , Cheng-Rung Tsai
Abstract: Techniques and examples of channel multiplexing within interlace for New Radio (NR) unlicensed spectrum (NR-U) operation are described. An apparatus (e.g., user equipment (UE)) determines which sub-interlace of multiple sub-interlaces in each of a plurality of interlaces is assigned to the apparatus. The apparatus then performs an uplink (UL) transmission to a wireless network in an NR-U using the assigned sub-interlace in each of the plurality of interlaces. Each of the plurality of interlaces may be divided into respective multiple sub-interlaces with channel multiplexing.
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公开(公告)号：US20190268961A1
公开(公告)日：2019-08-29
申请号：US16282821
申请日：2019-02-22
Applicant: MEDIATEK INC.
Inventor： Cheng-Rung Tsai , Ming-Po Chang , Chia-Hao Yu , Weidong Yang , Jiann-Ching Guey
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.
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