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公开(公告)号：US20240357597A1
公开(公告)日：2024-10-24
申请号：US18290195
申请日：2021-05-11
发明人： Wei Ling , Chenxi Zhu , Bingchao Liu , Yi Zhang , Lingling Xiao
CPC分类号： H04W72/21 , H04B7/06964
摘要： The present application relates to methods and apparatuses for beam failure recovery (BFR) transmission. An embodiment of the present disclosure provides a method performed by a user equipment (UE), including: receiving first configuration information configuring a plurality of beam failure detection reference signal (BFD-RS) sets for a first set of cells, wherein each cell of the first set of cells is configured with two BFD-RS sets: receiving second configuration information configuring two physical uplink control channel scheduling request (PUCCH-SR) resources, wherein the two PUCCH-SR resources comprise a first PUCCH-SR resource and a second PUCCH-SR resource; and when at least one BFD-RS set of the plurality of BFD-RS sets is failed, selecting a PUCCH-SR resource from the two PUCCH-SR resources for transmitting a positive link recovery request (LRR) of the first set of cells based at least in part on whether two BFD-RS sets are configured for a first cell in which the two PUCCH-SR resources are configured to be transmitted.
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公开(公告)号：US20240348404A1
公开(公告)日：2024-10-17
申请号：US18580092
申请日：2021-08-05
发明人： Wei Ling , Yi Zhang , Chenxi Zhu , Bingchao Liu , Lingling Xiao
CPC分类号： H04L5/0053 , H04W72/21
摘要： Embodiments of the present application are related to a method and apparatus for physical uplink control channel (PUCCH) transmission. An exemplary method of the present application includes: receiving a plurality of joint or UL common TCI states to be used for PUCCH transmission associated with a plurality of CORESETPoolIndex values, wherein each TCI state of the plurality of TCI states is separately indicated by a PDCCH transmitted in a control source set (CORESET) associated with a CORESETPoolIndex value of the plurality of CORESETPoolIndex values; and for a PUCCH resource associated with a corresponding CORESETPoolIndex value of the plurality of CORESETPoolIndex values, transmitting the PUCCH resource according to a TCI state indicated by a PDCCH transmitted in a CORESET associated with the corresponding CORESETPoolIndex value.
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公开(公告)号：US20240314774A1
公开(公告)日：2024-09-19
申请号：US18576542
申请日：2021-07-15
发明人： Wei Ling , Chenxi Zhu , Bingchao Liu , Yi Zhang , Lingling Xiao
IPC分类号： H04W72/1268 , H04L5/00
CPC分类号： H04W72/1268 , H04L5/0091
摘要： Embodiments of the present application are related to a method and apparatus for uplink transmission. An exemplary method of the present application includes: receiving information indicating a plurality of joint or UL common TCI states; receiving a beam indication indicating at least one joint or UL common TCI state of the plurality of joint or UL common TCI states to be used for an uplink transmission, wherein a repetition number of the uplink transmission is equal to or larger than one; and transmitting the uplink transmission, wherein: in the case that the beam indication indicates only one joint or UL common TCI state, transmitting the uplink transmission according to the beam indication; or in the case that the beam indication indicates more than one joint or UL common TCI state, transmitting the uplink transmission according to the beam indication and a beam mapping pattern configured for the uplink transmission.
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公开(公告)号：US20240267918A1
公开(公告)日：2024-08-08
申请号：US18290168
申请日：2021-05-10
发明人： Yi Zhang , Chenxi Zhu , Bingchao Liu , Wei Ling , Lingling Xiao
IPC分类号： H04W72/1273 , H04L1/1812 , H04W72/232
CPC分类号： H04W72/1273 , H04L1/1812 , H04W72/232
摘要： Methods and apparatus of Physical Downlink Shared Channel (PDSCH) processing procedure time derivation for Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) feedback of PDSCH scheduled by enhanced Physical Downlink Control Channel (PDCCH) are disclosed. The method includes: receiving, by a receiver, a Physical Downlink Shared Channel (PDSCH) that is scheduled by a Physical Downlink Control Channel (PDCCH) transmitted with a plurality of repetitions, wherein the plurality of repetitions including a first PDCCH and a second PDCCH; deriving, by a processor, a PDSCH processing procedure time based on: a first number of overlapping symbols between the first PDCCH and the PDSCH, a second number of overlapping symbols between the second PDCCH and the PDSCH, and/or an additional processing time for processing of the PDCCH transmitted with a plurality of repetitions; and transmitting, by a transmitter, a valid Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) message no earlier than the PDSCH processing procedure time.
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公开(公告)号：US12003444B2
公开(公告)日：2024-06-04
申请号：US17423562
申请日：2019-01-18
发明人： Chenxi Zhu , Bingchao Liu , Wei Ling , LingLing Xiao
IPC分类号： H04L5/00
CPC分类号： H04L5/0048
摘要： Apparatuses, methods, and systems are disclosed for determining resources for phase tracking reference signals. One method (500) includes determining (502) a first set of resources. The first set of resources are used for non-zero power phase tracking reference signals for a first downlink transmission and zero power phase tracking reference signals for a second downlink transmission. The method (500) includes determining (504) a second set of resources. The second set of resources are used for zero power phase tracking reference signals for the first downlink transmission and non-zero power phase tracking reference signals for the second downlink transmission. The method (500) includes transmitting (506) the first downlink transmission using the first set of resources and the second set of resources. The first downlink transmission is transmitted concurrently with the second downlink transmission.
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公开(公告)号：US11990964B2
公开(公告)日：2024-05-21
申请号：US17275137
申请日：2018-09-26
发明人： Chenxi Zhu , Bingchao Liu , Wei Ling
IPC分类号： H04B7/06 , H04B17/327 , H04L5/00 , H04W24/10
CPC分类号： H04B7/0626 , H04B17/327 , H04L5/0048 , H04L5/0057 , H04W24/10
摘要： Apparatuses, methods, and systems are disclosed for channel state information report calculation. One method (700) includes receiving (702) configuration information for multiple channel state information reference signal resources. The method (700) includes determining (704) two channel state information reference signal resources of the multiple channel state information reference signal resources to be used for calculating a channel state information report. The two channel state information reference signal resources are received from different transmission reception points, different panels, or a combination thereof. In certain embodiments, the method (700) includes transmitting (706) the channel state information report calculated based on the two channel state information reference signal resources.
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公开(公告)号：US11985516B2
公开(公告)日：2024-05-14
申请号：US17280052
申请日：2018-11-23
发明人： Wei Ling , Chenxi Zhu , Bingchao Liu , Lingling Xiao
IPC分类号： H04W16/28 , H04W72/044 , H04W72/0446 , H04W72/23 , H04W80/02
CPC分类号： H04W16/28 , H04W72/0446 , H04W72/046 , H04W72/23 , H04W80/02
摘要： Embodiments of the present disclosure are directed to a method and apparatus for TRP downlink transmission. In an embodiment of the present disclosure, the apparatus includes at least one transmitter that transmits a spatial information configuration for downlink transmission. The spatial information configuration configures at least one time unit for at least one of predefined spatial information and un-predefined spatial information. In the case that the time unit is configured for the predefined spatial information, the downlink transmission is transmitted according to the predefined spatial information. In the case that the time unit is configured for un-predefined spatial information, the downlink transmission is transmitted according to the spatial information indicated in the specific spatial information in the downlink control channel or configured by the high layer signaling.
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公开(公告)号：US20240057113A1
公开(公告)日：2024-02-15
申请号：US18260357
申请日：2021-01-05
发明人： Chenxi Zhu , Bingchao Liu , Wei Ling , Yi Zhang , Lingling Xiao
IPC分类号： H04W72/232
CPC分类号： H04W72/232 , H04L5/0007
摘要： Apparatuses, methods, and systems are disclosed for transmission timing based on downlink control information. One method (600) includes transmitting (602) first downlink control information indicating a first transmission configuration indicator for a user equipment to receive a first physical downlink shared channel transmission. The method (600) includes transmitting (604) the first physical downlink shared channel transmission with the first transmission configuration indicator if a time between the first downlink control information and the first physical downlink shared channel transmission is greater than or equal to a first time. The method (600) includes transmitting (606) second physical downlink shared channel transmissions with the first transmission configuration indicator after a second time, wherein the second time is after a first acknowledgement corresponding to the first downlink control information has been received.
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公开(公告)号：US20230261833A1
公开(公告)日：2023-08-17
申请号：US18015399
申请日：2020-07-10
发明人： Chenxi Zhu , Bingchao Liu , Wei Ling , Yi Zhang , Lingling Xiao
CPC分类号： H04L5/0051 , H04W72/23
摘要： Apparatuses, methods, and systems are disclosed for transmission using DMRS from two code division multiplexing groups. One method (500) includes transmitting (502) information on a physical downlink shared channel to a user equipment, wherein: the information on the physical downlink shared channel is transmitted by: first demodulation reference signal ports of a first code division multiplexing group having a first number of demodulation reference signal ports; and second demodulation reference signal ports of a second code division multiplexing group having a second number of demodulation reference signal ports, wherein the first code division multiplexing group is different from the second code division multiplexing group, and the first number of demodulation reference signal ports is the same as the second number of demodulation reference signal ports.
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公开(公告)号：US20230217460A1
公开(公告)日：2023-07-06
申请号：US18000391
申请日：2020-06-19
发明人： Yi Zhang , Chenxi Zhu , Bingchao Liu , Wei Ling , Lingling Xiao
IPC分类号： H04W72/232 , H04W72/0446 , H04L5/00
CPC分类号： H04W72/232 , H04W72/0446 , H04L5/0053
摘要： Apparatus and methods of span level TDM PDCCH transmission are disclosed. The apparatus includes: a receiver that receives a capability report from a device, wherein the capability report comprises Physical Downlink Control Channel (PDCCH) monitoring capability and/or beam switching capability of the device; a processor that generates PDCCH transmission parameters, based on the capability report, for transmitting a Downlink Control Information (DCI) with a plurality of PDCCH transmissions with span level repetitions; wherein the processor further configures, based on the PDCCH transmission parameters, a plurality of resources for transmitting the DCI, and a search space set for DCI detection in a PDCCH monitoring occasion set; and a transmitter that transmits the DCI in a plurality of DCI versions with the plurality of PDCCH transmissions using the plurality of resources.
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