公开(公告)号：US20200252157A1

公开(公告)日：2020-08-06

申请号：US16779539

申请日：2020-01-31

Applicant: Apple Inc.

Inventor： Alexei Davydov

IPC: H04L1/00 ,  H04L1/18 ,  H04L5/00

Abstract: Methods and apparatuses for communicating in a cellular communications network, including provision of a user equipment comprising processing circuitry to: replace one or more transmission parameters from which a further transmission parameter may be determined with one or more corresponding virtual transmission parameters to provide one or more replacement transmission parameters from which a modified further transmission parameter may be determined; determine the modified further transmission parameter based on the one or more replacement transmission parameters; and transmit a signal using the modified further transmission parameter.

公开(公告)号：US20200213174A1

公开(公告)日：2020-07-02

申请号：US16815933

申请日：2020-03-11

Applicant: Apple Inc.

Inventor： Alexei Davydov ,  Hyejung Jung

IPC: H04L27/26 ,  H04B7/024 ,  H04J11/00 ,  H04W76/27 ,  H04W48/12 ,  H04W72/04

Abstract: Devices and methods of determining offsets for different eNBs in a dynamic switched CoMP network are generally described. A UE may receive, in an RRCConnectionReconfiguration message, DL parameter sets associated with different eNBs and having reference signal information for a PSS, SSS and DRS. The UE may receive reference signals based on the DL set associated with the eNB and determine a timing/frequency offset based on the reference signals. The offsets may be used to decode a dynamically switched PDSCH indicated by a PDCCH. The DL sets may indicate which PDCCH to detect or the PDCCH from the same cNB may be used and the PDSCH determined from a DCI in the PDCCH. A UL DCI may indicate which of UL parameter sets to use. The UL sets may indicate a reference signal to determine path loss and a timing advance value.

公开(公告)号：US12250046B2

公开(公告)日：2025-03-11

申请号：US18520202

申请日：2023-11-27

Applicant: Apple Inc.

Inventor： Alexei Davydov ,  Sameer Pawar ,  Wook Bong Lee ,  Yushu Zhang ,  Victor Sergeev ,  Joonyoung Cho ,  Dmitry Dikarev

IPC: H04B7/06

Abstract: Herein described are apparatuses, systems, and methods for measurement and reporting of channel state information within wireless network systems. In embodiments, an apparatus for a user equipment (UE) may include memory to store a rank indicator (RI), a precoding matrix index (PMI), and a channel quality indicator (CQI) of channel state information (CSI) for the UE. The apparatus may further include circuitry to concatenate the RI, the PMI, and the CQI to produce a concatenated CSI element, generate a CSI report that includes the concatenated CSI element, and cause the CSI report to be transmitted to a base station within a single slot. Other embodiments may be described and/or claimed.

公开(公告)号：US12238025B2

公开(公告)日：2025-02-25

申请号：US17419426

申请日：2020-01-07

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Bishwarup Mondal ,  Alexei Davydov ,  Guotong Wang ,  Avik Sengupta

IPC: H04L5/00 ,  H04W72/23

Abstract: The present disclosure provides systems and methods for mapping transmission configuration indication (TCI) states to demodulation reference signal (DMRS) ports groups in a wireless network. For instance, a TCI state to DMRS ports group mapping of a user equipment (UE) can be determined. Each DMRS port in a DMRS ports group shares a quasi-co-location (QCL) assumption. The TCI state to DMRS ports group mapping comprises multiple TCI state groups. The TCI state to DMRS ports group mapping corresponds each TCI state group to one or more DMRS ports groups. A TCI state group from the DMRS ports group mapping can be selected for the UE. Data indicative of the selected TCI state group and the corresponding one or more DMRS ports groups can be provided to the UE based at least in part on the TCI state group from the DMRS ports group mapping.

公开(公告)号：US12224811B2

公开(公告)日：2025-02-11

申请号：US17418092

申请日：2020-01-02

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Yingzhu Zhao ,  Guotong Wang ,  Victor Sergeev ,  Alexei Davydov

IPC: H04B17/336 ,  H04B7/06 ,  H04W24/10 ,  H04B5/72 ,  H04L25/02

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for framework of layer 1 signal-to-interference plus noise ratio (L1-SINR) measurement and reporting based on channel measurement and interference measurement. The channel measurement is performed on a first set of reference signal (RS) resources, and the interference measurement is performed on a second set of RS resources. Each of the second set of RS resources is mapped to each of the first set of RS resources. The L1-SINR is determined from a first RS resource of the first set of RS resources and a second RS resource of the send set of RS resources, where the first RS resource is mapped to the second RS resource. A message including the L1-SINR is generated and transmitted to the access node.

公开(公告)号：US12219576B2

公开(公告)日：2025-02-04

申请号：US18352324

申请日：2023-07-14

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Alexei Davydov ,  Guotong Wang ,  Gang Xiong

IPC: H04W72/23 ,  H04L5/00 ,  H04W52/08 ,  H04W52/24 ,  H04W72/0446

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for uplink beam management and power control in wireless communications systems. Disclosed embodiments include beam management and power control enhancements for Physical Uplink Shared Channel (PUSCH), Sounding Reference Signal (SRS), and Physical Uplink Control Channel (PUSCH) transmissions. Other embodiments may be described and/or claimed.

公开(公告)号：US12126564B2

公开(公告)日：2024-10-22

申请号：US17847595

申请日：2022-06-23

Applicant: Apple Inc.

Inventor： Alexei Davydov ,  Gang Xiong ,  Yushu Zhang ,  Victor Alexandrovich Sergeev ,  Joonyoung Cho

IPC: H04L5/00 ,  H04L1/1607 ,  H04L1/1829 ,  H04L5/02

CPC classification number: H04L5/0053 ,  H04L1/1671 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/023

Abstract: An apparatus of a New Radio (NR) User Equipment (UE), a method and system. The apparatus includes one or more processors to encode a two part CSI including: encode a two part CSI including: encoding information bits of a first channel state information (CSI) type and information bits of a second CSI part to generate, respectively, encoded bits of a first CSI part and encoded bits of a second CSI part, a payload size of the second CSI part being based on encoded bits of the first CSI part and further being encoded separately from information bits of the first CSI part; and mapping the encoded bits of the first CSI part onto a first physical resource and the encoded bits of the second CSI part onto a second physical resource different from the first physical resource; and configure the two part CSI in a long or short PUCCH for transmission to a NR evolved Node B (gNodeB).

公开(公告)号：US12069652B2

公开(公告)日：2024-08-20

申请号：US17287794

申请日：2019-10-31

Applicant: Apple Inc.

Inventor： Guotong Wang ,  Yushu Zhang ,  Alexei Davydov ,  Gang Xiong

IPC: H04W72/1273 ,  H04W72/044 ,  H04W72/23

CPC classification number: H04W72/1273 ,  H04W72/046 ,  H04W72/23

Abstract: An apparatus configured to be employed in a user equipment (UE) associated with a new radio (NR) communication system is disclosed. The apparatus comprises one or more processors configured to process a physical downlink shared channel (PDSCH) scheduling signal, received from a gNodeB associated therewith, wherein the PDSCH scheduling signal is configured to schedule a transmission of PDSCH. In some embodiments, the PDSCH scheduling signal comprises a transmission configuration indicator (TCI) state indicative of a channel state information reference signal (CSI-RS) resource that is triggered aperiodically. In some embodiments, the apparatus is further configured to determine a receive (Rx) beam to be utilized for the reception of the scheduled PDSCH transmission, that forms a PDSCH Rx beam, based on the indicated CSI-RS resource.

公开(公告)号：US12041695B2

公开(公告)日：2024-07-16

申请号：US17894410

申请日：2022-08-24

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Gang Xiong ,  Hong He ,  Yongjun Kwak ,  Alexei Davydov ,  Hwan-Joon Kwon ,  Dae Won Lee

IPC: H04W88/06 ,  H04L5/00 ,  H04W24/08 ,  H04W72/0446 ,  H04W72/23 ,  H04W80/08

CPC classification number: H04W88/06 ,  H04L5/0092 ,  H04L5/0094 ,  H04W24/08 ,  H04W72/0446 ,  H04W72/23 ,  H04W80/08

Abstract: A user equipment (UE) may include one or more processors that are configured to cause UE capability information to be communicated to a radio access network (RAN) node, regarding a maximum number of blind decode attempts (BDAs) supported by the UE. The one or more processors are configured to determine, based on the maximum BDAs, shortened channel control elements (sCCEs) to be used, by the RAN node, to transmit shortened downlink control information (sDCI) via a shortened physical downlink control channel (sPDCCH) and obtain sDCI by monitoring the sPDCCH in accordance with the determined sCCEs.

公开(公告)号：US12021773B2

公开(公告)日：2024-06-25

申请号：US17292312

申请日：2019-11-07

Applicant: Apple Inc.

Inventor： Alexei Davydov ,  Seunghee Han ,  Gang Xiong ,  Guotong Wang ,  Bishwarup Mondal ,  Daewon Lee ,  Yushu Zhang ,  Yang Tang

IPC: H04W56/00 ,  H04L5/00

CPC classification number: H04L5/0048

Abstract: Embodiments of the present disclosure provide for uplink and downlink beam management for partial beam correspondence user equipments. Other embodiments may be described and claimed.