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1.
公开(公告)号:US20230156753A1
公开(公告)日:2023-05-18
申请号:US18084049
申请日:2022-12-19
Applicant: Apple Inc.
Inventor: Chunhai Yao , Chunxuan Ye , Dawei Zhang , Ghaith N. Hattab , Haitong Sun , Hong He , Ismael Gutierrez Gonzalez , Oghenekome Oteri , Wei Zeng , Weidong Yang , Yeong-Sun Hwang , Yuchul Kim , Yushu Zhang
IPC: H04W72/51 , H04L5/00 , H04W72/541 , H04W72/542
CPC classification number: H04W72/51 , H04L5/0026 , H04L5/0048 , H04W72/541 , H04W72/542
Abstract: A user equipment (UE) transmits concurrent channel state information (CSI) processing capability information to a base station. The capability information can take various forms, and is intended to constrain the base station in the types of CSI requests that can be made to the UE. For example, the UE may indicate different CSI processing capabilities for intra-CC and inter-CC cases and/or for different codebook types. The UE may also specify supported combinations of codebook types for concurrent CSI reporting. The UE may also specify maximum resources or weighting factors for different codebook types. The UE may further restrict the rank information it provides and use a priority rule for “dropping” CSI report data due to payload size restrictions. The base station may direct, or the UE may implement, improved utilization of CSI resources that are shared for multiple concurrent CSI reports. Minimum time requirements for CSI reporting may also be relaxed.
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公开(公告)号:US11653311B2
公开(公告)日:2023-05-16
申请号:US17175494
申请日:2021-02-12
Applicant: Apple Inc.
Inventor: Haitong Sun , Yushu Zhang , Wei Zeng , Dawei Zhang , Ismael Gutierrez Gonzalez , Ghaith N. Hattab , Yuchul Kim , Hong He , Weidong Yang , Chunxuan Ye , Chunhai Yao , Oghenekome Oteri , Yeong-Sun Hwang
CPC classification number: H04W52/18 , H04W72/042 , H04W72/048
Abstract: A method for operating user equipment (UE) includes generating, by the UE, a transmit precoding matrix indicator (TPMI) list including one or more TPMIs selected from a set of available TPMIs stored at a base station (BS). Data indicative of the TPMI list is transmitted to the BS. An index of the TPMI list is transmitted to the BS. Downlink control information (DCI) is received from the BS including an indication of at least one TPMI from the TPMI list based on the index. Uplink data is transmitted to the BS on a physical uplink shared channel (PUSCH) using the at least one TPMI.
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公开(公告)号:US12132545B2
公开(公告)日:2024-10-29
申请号:US17259886
申请日:2020-02-12
Applicant: Apple Inc.
Inventor: Haitong Sun , Yushu Zhang , Wei Zeng , Dawei Zhang , Ghaith N. Hattab , Ismael Gutierrez Gonzalez , Anchit Malhotra , Louay Jalloul , David Neumann , Ziyang Ju
CPC classification number: H04B7/0626 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04J13/004
Abstract: This disclosure relates to techniques for a wireless device to perform channel state information reporting. The wireless device may receive channel state information reporting configuration information. The channel state information reporting configuration information may include an indication to use a wideband precoding matrix indicator format for 3GPP release 16 type II channel state information reporting. The wireless device may perform channel state information reporting using a different reporting configuration than 3GPP release 16 type II channel state information reporting using a wideband precoding matrix indicator format based at least in part on the channel state information reporting configuration information. The wireless device may also or alternatively perform 3GPP type I channel state information reporting using a unified spatial basis selection framework for rank indicators of 3 and 4 for any number of channel state information reference signal ports.
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公开(公告)号:US12096257B2
公开(公告)日:2024-09-17
申请号:US17441639
申请日:2020-08-05
Applicant: Apple Inc.
Inventor: David Neumann , Dawei Zhang , Ghaith N. Hattab , Haitong Sun , Ismael Gutierrez Gonzalez , Wei Zeng , Yeong-Sun Hwang , Yushu Zhang , Ziyang Ju
IPC: H04W24/08 , H04L1/00 , H04W72/232
CPC classification number: H04W24/08 , H04L1/0026 , H04W72/232
Abstract: Some aspects of this disclosure relate to apparatuses and methods for implementing channel state information (CSI) reporting that includes a stale CSI report. Based at least in part on a CSI reporting configuration, a user equipment (UE) performs CSI measurements during a current reference time period, and generates one or more CSI reports including at least a stale CSI report. A stale CSI report is generated based at least in part on CSI measurements performed prior to the current reference time period. The UE further generates an uplink message including the one or more CSI reports, and transmits the uplink message to the base station under a reporting setting determined by the CSI reporting configuration.
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公开(公告)号:US20240040513A1
公开(公告)日:2024-02-01
申请号:US18375965
申请日:2023-10-02
Applicant: Apple Inc.
Inventor: Haitong Sun , Yushu Zhang , Wei Zeng , Dawei Zhang , Ismael Gutierrez Gonzalez , Ghaith N. Hattab , Yuchul Kim , Hong He , Weidong Yang , Chunxuan Ye , Chunhai Yao , Oghenekome Oteri , Yeong-Sun Hwang
Abstract: A method for operating user equipment (UE) includes generating, by the UE, a transmit precoding matrix indicator (TPMI) list including one or more TPMIs selected from a set of available TPMIs stored at a base station (BS). Data indicative of the TPMI list is transmitted to the BS. An index of the TPMI list is transmitted to the BS. Downlink control information (DCI) is received from the BS including an indication of at least one TPMI from the TPMI list based on the index. Uplink data is transmitted to the BS on a physical uplink shared channel (PUSCH) using the at least one TPMI.
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公开(公告)号:US20230337145A1
公开(公告)日:2023-10-19
申请号:US18136301
申请日:2023-04-18
Applicant: Apple Inc.
Inventor: Haitong Sun , Yushu Zhang , Wei Zeng , Dawei Zhang , Ismael Gutierrez Gonzalez , Ghaith N. Hattab , Yuchul Kim , Hong He , Weidong Yang , Chunxuan Ye , Chunhai Yao , Oghenekome Oteri , Yeong-Sun Hwang
Abstract: A method for operating user equipment (UE) includes generating, by the UE, a transmit precoding matrix indicator (TPMI) list including one or more TPMIs selected from a set of available TPMIs stored at a base station (BS). Data indicative of the TPMI list is transmitted to the BS. An index of the TPMI list is transmitted to the BS. Downlink control information (DCI) is received from the BS including an indication of at least one TPMI from the TPMI list based on the index. Uplink data is transmitted to the BS on a physical uplink shared channel (PUSCH) using the at least one TPMI.
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公开(公告)号:US12010055B2
公开(公告)日:2024-06-11
申请号:US17437750
申请日:2021-03-31
Applicant: Apple Inc.
Inventor: Haitong Sun , Gokhan Ozer , Yeong-Sun Hwang , Yushu Zhang , Wei Zeng , Dawei Zhang , Manasa Raghavan , Jie Cui , Weidong Yang , Amir Aminzadeh Gohari , Ghaith N. Hattab , Yang Tang , Ismael Gutierrez Gonzalez , Ziyang Ju
CPC classification number: H04L5/0048 , H04B7/0632 , H04B7/0695 , H04L5/0094 , H04L2025/03783 , H04L27/261 , H04L41/08 , H04L69/24 , H04W28/16
Abstract: This disclosure relates to techniques for performing wireless communications including exchanging information related to capability of processing reference signals. A user equipment device may provide capability information to a network. The capability information may indicate a number of reference signal resources that the user equipment device can process in a slot or other defined period of time. The user equipment device and the network may share a common set of definitions, counting rules, and approaches for interpreting the capability information. The network may configure reference signals for the user equipment device.
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公开(公告)号:US20240088969A1
公开(公告)日:2024-03-14
申请号:US18502623
申请日:2023-11-06
Applicant: Apple Inc.
Inventor: Haitong Sun , Yushu Zhang , Wei Zeng , Dawei Zhang , Ghaith N. Hattab , Ismael Gutierrez Gonzalez , Anchit Malhotra , Louay Jalloul , David Neumann , Ziyang Ju
CPC classification number: H04B7/0626 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04J13/004
Abstract: This disclosure relates to techniques for a wireless device to perform channel state information reporting. The wireless device may receive channel state information reporting configuration information. The channel state information reporting configuration information may include an indication to use a wideband precoding matrix indicator format for 3GPP release 16 type II channel state information reporting. The wireless device may perform channel state information reporting using a different reporting configuration than 3GPP release 16 type II channel state information reporting using a wideband precoding matrix indicator format based at least in part on the channel state information reporting configuration information. The wireless device may also or alternatively perform 3GPP type I channel state information reporting using a unified spatial basis selection framework for rank indicators of 3 and 4 for any number of channel state information reference signal ports.
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9.
公开(公告)号:US20240056255A1
公开(公告)日:2024-02-15
申请号:US17935000
申请日:2022-09-23
Applicant: APPLE INC.
Inventor: Haitong Sun , Ismael Gutierrez Gonzalez , David Neumann , Anchit Malhotra , Ghaith N. Hattab , Louay Jalloul , Dawei Zhang , Weidong Yang , Wei Zeng
CPC classification number: H04L5/0051 , H04L5/006 , H04W52/0216
Abstract: Systems and methods are provided for to support user equipment (UE) channel state information (CSI) report of time domain channel properties concurrently with Interference Measurement Resources (IMRs) measurements. Embodiments herein consider Uplink Control Information (UCI) multiplexing, UCI omission, Interference Measurement Resource (IMR) configuration, and phase continuity handling. A CSI report configuration (CSI-ReportConfig) may comprise configuration details for both one or more Channel Measurement Resources (CMRs) and one or more Interference Measurement Resources (IMRs). The CMRs may be used to measure time domain channel properties (TDCP) based on a CSI reference signal (CSI-RS) for tracking reference signal (TRS).
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公开(公告)号:US20230098863A1
公开(公告)日:2023-03-30
申请号:US17887899
申请日:2022-08-15
Applicant: Apple Inc.
Inventor: Louay Jalloul , Ghaith N. Hattab
IPC: H04B7/0452 , H04L5/00 , H04B7/0456 , H04W72/12
Abstract: Methods and systems are for configuring multi-user multiple-input multiple output (MU-MIMO) operation by a base station and a plurality of UEs include requesting sounding reference signals (SRS) or channel state information (CSI) data from each UE of the plurality; configuring, based on the SRS or CSI data from each UE, a precoder matrix, the precoder matrix allocating a plurality of precoded CSI-reference signal (CSI-RS) resources for each UE; scheduling, for each UE, the precoded CSI-RS resources; receiving, from each UE, a CQI report that is based on the precoded CSI-RS resources received by that respective UE; generating a CQI matrix from the CQI reports of each UE; selecting a subset of UEs from the plurality based on the CQI matrix; and scheduling DL resources for the subset of UEs, the DL resources including reference signals.
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