公开(公告)号：US20220303071A1

公开(公告)日：2022-09-22

申请号：US17593462

申请日：2020-10-05

Applicant: Apple Inc.

Inventor： Hong HE ,  Chunhai YAO ,  Chunxuan YE ,  Dawei ZHANG ,  Haitong SUN ,  Oghenekome OTERI ,  Seyed Ali Akbar FAKOORIAN ,  Sigen YE ,  Wei ZENG ,  Weidong YANG ,  Yushu ZHANG

IPC: H04L5/00 ,  H04W72/04 ,  H04W74/00

Abstract: A base station configures a Physical Downlink Control Channel (PDCCH) for transmission to one or more user equipments (UEs). The base station divides a component carrier (CC) bandwidth into a plurality of sub-bands, transmits a physical random access channel (PRACH) resource on at least one of the sub-bands and transmits a Type1-PDCCH CSS (Physical Downlink Control Channel Common Search Space) set on at least one of the sub-bands, wherein the Type1-PDCCH CSS set corresponds to the PRACH resource.

公开(公告)号：US20220303058A1

公开(公告)日：2022-09-22

申请号：US17593411

申请日：2020-08-05

Applicant: Apple Inc.

Inventor： Haitong SUN ,  Chunhai YAO ,  Chunxuan YE ,  Dawei ZHANG ,  Hong HE ,  Jie CUI ,  Oghenekome OTERI ,  Sigen YE ,  Wei ZENG ,  Weidong YANG ,  Yang TANG ,  Yushu ZHANG

IPC: H04L1/18 ,  H04W72/12

Abstract: A user equipment (UE) may transmit hybrid automatic repeat request (HARQ) feedback when part of a group of UEs. The UE receives a radio network temporary identifier (RNTI) associated with a group of UEs that includes the UE. The UE monitors for a signal from one of a cell on which the UE is currently camped or a cell to which the UE is currently connected that is scrambled by the RNTI and includes control information. The UE transmits HARQ feedback to the one of the currently camped cell or currently connected cell, the HARQ feedback associated with the signal and, when the signal is received, performs an operation in response to the control information.

公开(公告)号：US20220302976A1

公开(公告)日：2022-09-22

申请号：US17593449

申请日：2020-05-14

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Dawei ZHANG ,  Haitong SUN ,  Wei ZENG ,  Weidong YANG

IPC: H04B7/06 ,  H04B17/345

Abstract: Various manners of reporting channel state information (CSI) measurements in a multiple transmission and reception point (multi-TRP) configuration are provided. A UE may perform channel state information (CSI) measurements for a channel measurement resource (CMR) for the first gNB and at least one interference measurement resource (IMR) for the at least one second gNB, determine a configuration for a CSI report for the CSI measurements including a channel quality indicator (CQI) measurement for the CMR and the at least one IMR and transmit the CSI report to at least one of the first gNB and the at least one second gNB.

公开(公告)号：US20220116094A1

公开(公告)日：2022-04-14

申请号：US17428488

申请日：2020-02-14

Applicant: Apple Inc.

Inventor： Guotong WANG ,  Yushu ZHANG ,  Gang XIONG ,  Alexei DAVYDOV

IPC: H04B7/06 ,  H04W16/28

Abstract: Disclosed herein are system, method, and computer program product embodiments for performing beam failure recovery. An embodiment operates by detecting a beam failure on a secondary cell (SCell). The embodiment transmits, to a base station, a beam failure recovery request (BFRQ) for the SCell over a primary cell (PCell). The embodiment transmits the BFRQ for the SCell over a Primary Uplink Control Chanel (PUCCH), a Physical Random Access Channel (PRACH), or a Primary Uplink Shared Channel (PUSCH) over the PCell. The embodiment can transmit a schedule request (SR) to allocate a PUSCH over the PCell. The embodiment receives, from the base station, a response for the BFRQ for the SCell over the SCell or the PCell. The embodiment then uses a new beam for the SCell based on the response for the BFRQ for the SCell.

公开(公告)号：US20220078854A1

公开(公告)日：2022-03-10

申请号：US17419973

申请日：2020-02-12

Applicant: Apple Inc.

Inventor： Gang XIONG ,  Yujian ZHANG ,  Yushu ZHANG ,  Sergey SOSNIN ,  Seau S. LIM

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/14 ,  H04W72/12

Abstract: A method and device are disclosed for performing collision resolution in a two-step random access channel (RACH) process. In such a process, an MsgA PUSCH signal and a grant based PUSCH signal may collide. When such a collision is detected, either the MsgA PUSCH signal or the grant based PUSCh signal are dropped. The other of the two signals is then transmitted. The determination regarding which signal to drop can be based on a set of rules stored in memory.

公开(公告)号：US20220078825A1

公开(公告)日：2022-03-10

申请号：US17416743

申请日：2020-01-03

Applicant: Apple Inc.

Inventor： Alexei DAVYDOV ,  Gang XIONG ,  Jie ZHU ,  Yushu ZHANG ,  Guotong WANG ,  Daewon LEE ,  Gregory MOROZOV ,  Sameer PAWAR

IPC: H04W72/12 ,  H04W72/04

Abstract: Methods and apparatus are described for methods and apparatus for carrying out wireless communication using Long Term Evolution (LTE) in a frequency band with low peak-to-average-power. The approach includes precoding, in the frequency domain, a plurality of physical channel signals, followed by multiplexing, where the procoding is performed according to predetermined codes with a code length selected based on a length of an entire signal of the multiplexed precoded plurality of physical channel signals. In addition, the approach includes being configured to map the multiplexed precoded plurality of physical channel signals to subcarriers in the frequency band, as well to generate a time domain waveform based on the mapped signals.

公开(公告)号：US20210410165A1

公开(公告)日：2021-12-30

申请号：US17282931

申请日：2019-10-04

Applicant: Apple Inc.

Inventor： Gang XIONG ,  Bishwarup MONDAL ,  Guotong WANG ,  Yushu ZHANG

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00

Abstract: Embodiments of the present disclosure provide for transmission of physical uplink channels and signals scheduled for simultaneous transmission. Other embodiments may be described and claimed.

公开(公告)号：US20210399855A1

公开(公告)日：2021-12-23

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: H04L5/00

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.

公开(公告)号：US20210359816A1

公开(公告)日：2021-11-18

申请号：US17286341

申请日：2019-10-16

Applicant: Apple Inc.

Inventor： Guotong WANG ,  Alexei DAVYDOV ,  Yushu ZHANG

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

Abstract: Embodiments of the present disclosure describe methods, apparatuses, storage media, and systems for mapping a phase-tracking reference signal to resource elements. Other embodiments may be described and claimed.

公开(公告)号：US20210105753A1

公开(公告)日：2021-04-08

申请号：US17105057

申请日：2020-11-25

Applicant: Apple Inc.

Inventor： Yushu ZHANG ,  Alexei DAVYDOV ,  Guotong WANG ,  Gang XIONG ,  Hong HE

IPC: H04W72/04 ,  H04L5/00

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for time domain resource allocations in wireless communications systems. Disclosed embodiments include time-domain symbol determination and/or indication using a combination of higher layer and downlink control information signaling for physical downlink shared channel and physical uplink shared channel; time domain resource allocations for mini-slot operations; rules for postponing and dropping for multiple mini-slot transmission; and collision handling of sounding reference signals with semi-statically or semi-persistently configured uplink transmissions. Other embodiments may be described and/or claimed.