公开(公告)号：US20240064048A1

公开(公告)日：2024-02-22

申请号：US18260777

申请日：2021-12-20

Applicant: Apple Inc.

Inventor： Sigen Ye ,  Huaning Niu ,  Hongbo Yan ,  Shengshan Cui ,  Wei Zeng ,  Oghenekome Oteri ,  Weidong Yang ,  Dawei Zhang ,  Hong He ,  Haitong Sun

IPC: H04L27/26 ,  H04W68/00 ,  H04L5/00

CPC classification number: H04L27/261 ,  H04W68/005 ,  H04L5/0048

Abstract: The present application relates to devices and components including apparatus, systems, and methods for reference signal indication for idle or inactive user equipments.

公开(公告)号：US20220330066A1

公开(公告)日：2022-10-13

申请号：US17439713

申请日：2021-04-01

Applicant: Apple Inc.

Inventor： Manasa Raghavan ,  Yushu Zhang ,  Dawei Zhang ,  Haitong Sun ,  Huaning Niu ,  Javier Mauricio Paredes Riano ,  Jianshu Zhang ,  Jie Cui ,  Qiming Li ,  Shengshan Cui ,  Xiang Chen ,  Yang Tang

IPC: H04W24/10 ,  H04W56/00 ,  H04B17/336 ,  H04L5/00

Abstract: The present application relates to devices and components including apparatus, systems, and methods to perform measurements on reference signals or synchronization signal. In an example, timing requirements for performing such measurements can be dynamically changed depending on, at least, a measurement on one of the reference signal or the synchronization signal.

公开(公告)号：US20250063417A1

公开(公告)日：2025-02-20

申请号：US18937657

申请日：2024-11-05

Applicant: Apple Inc.

Inventor： Manasa Raghavan ,  Yushu Zhang ,  Dawei Zhang ,  Haitong Sun ,  Huaning Niu ,  Javier Mauricio Paredes Riano ,  Jianshu Zhang ,  Jie Cui ,  Qiming Li ,  Shengshan Cui ,  Xiang Chen ,  Yang Tang

IPC: H04W24/10 ,  H04B17/336 ,  H04L5/00 ,  H04W56/00 ,  H04W88/08

Abstract: The present application relates to devices and components including apparatus, systems, and methods to perform measurements on reference signals or synchronization signal. In an example, timing requirements for performing such measurements can be dynamically changed depending on, at least, a measurement on one of the reference signal or the synchronization signal.

公开(公告)号：US11792881B2

公开(公告)日：2023-10-17

申请号：US17447831

申请日：2021-09-16

Applicant: APPLE INC.

Inventor： David Öhmann ,  Hongbo Yan ,  Amir Farajidana ,  Dietmar Gradl ,  Sami M. Almalfouh ,  Shengshan Cui

IPC: H04W76/28 ,  H04L5/00 ,  H04W52/02 ,  H04W56/00 ,  H04W72/0453

CPC classification number: H04W76/28 ,  H04L5/0048 ,  H04W52/0235 ,  H04W56/001 ,  H04W72/0453

Abstract: Systems and methods are provided for a user equipment (UE) to perform frequency offset (FO) delta tracking. For an anchor component carrier (CC), the UE wakes up to perform tracking updates on a plurality of successive DRX cycles. For the non-anchor CC, the UE determines a minimum update interval Δtupd, and schedules wake-ups on a first subset of the plurality of successive DRX cycles based on the minimum update interval Δtupd. For the first subset of the plurality of successive DRX cycles with scheduled wake-ups, the UE performs the tracking updates on the non-anchor CC and updates an FO delta between the anchor CC and the non-anchor CC. For a second subset of the plurality of successive DRX cycles without the scheduled wake-ups on the non-anchor CC, the UE applies the FO delta to correct for a frequency error.

公开(公告)号：US12177703B2

公开(公告)日：2024-12-24

申请号：US17439713

申请日：2021-04-01

Applicant: Apple Inc.

Inventor： Manasa Raghavan ,  Yushu Zhang ,  Dawei Zhang ,  Haitong Sun ,  Huaning Niu ,  Javier Mauricio Parades Riano ,  Jianshu Zhang ,  Jie Cui ,  Qiming Li ,  Shengshan Cui ,  Xiang Chen ,  Yang Tang

IPC: H04W24/10 ,  H04B17/336 ,  H04L5/00 ,  H04W56/00 ,  H04W88/08

Abstract: The present application relates to devices and components including apparatus, systems, and methods to perform measurements on reference signals or synchronization signal. In an example, timing requirements for performing such measurements can be dynamically changed depending on, at least, a measurement on one of the reference signal or the synchronization signal.

公开(公告)号：US12096365B2

公开(公告)日：2024-09-17

申请号：US17593597

申请日：2020-10-14

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Hong He ,  Hongbo Yan ,  Huaning Niu ,  Oghenekome Oteri ,  Shengshan Cui ,  Sigen Ye ,  Wei Zeng ,  Yushu Zhang

IPC: H04W52/00 ,  H04L1/00 ,  H04W52/02 ,  H04W68/00 ,  H04W72/0446 ,  H04W72/23

CPC classification number: H04W52/0232 ,  H04L1/0003 ,  H04W68/005 ,  H04W72/0446 ,  H04W72/23

Abstract: A wake up signal scheme between a network and a user equipment (UE) operating in a Discontinuous Reception (DRX) state. The UE monitors a wake up signal (WUS) occasion to determine whether a WUS is received during the WUS occasion, when the WUS is received, determines whether the WUS identifies the UE, when the WUS is received and identifies the UE, monitors an OnDuration of a Discontinuous Reception (DRX) cycle corresponding to the WUS and when the WUS is not received or the WUS does not identify the UE, remains in a sleep state during the OnDuration corresponding to the WUS.

公开(公告)号：US12035238B2

公开(公告)日：2024-07-09

申请号：US17593516

申请日：2020-10-14

Applicant: Apple Inc.

Inventor： Haitong Sun ,  Chunhai Yao ,  Chunxuan Ye ,  Dawei Zhang ,  Hong He ,  Hongbo Yan ,  Huaning Niu ,  Shengshan Cui ,  Sigen Ye ,  Wei Zeng ,  Weidong Yang ,  Yushu Zhang

IPC: H04W76/28 ,  H04W52/02 ,  H04W76/27

CPC classification number: H04W52/0229 ,  H04W76/27 ,  H04W76/28

Abstract: A user equipment (UE) receives reference signals during a discontinuous reception (DRX) cycle to perform frequency and timing tracking or automatic gain control (AGC). The UE receives configuration information corresponding to a reference signal that is to be transmitted to a user equipment (UE) when the UE is in a first operating state, receives the reference signal from a cell of a network when the UE is in the first operating state, performs one of frequency and timing tracking or automatic gain control (AGC) using the reference signal and receives a signal from the cell during a time window that the UE is scheduled to utilize an active mode of data exchange processing.

公开(公告)号：US20230079512A1

公开(公告)日：2023-03-16

申请号：US17447831

申请日：2021-09-16

Applicant: APPLE INC.

Inventor： David Öhmann ,  Hongbo Yan ,  Amir Farajidana ,  Dietmar Gradl ,  Sami M. Almalfouh ,  Shengshan Cui

IPC: H04W76/28 ,  H04L5/00 ,  H04W56/00 ,  H04W72/04 ,  H04W52/02

Abstract: Systems and methods are provided for a user equipment (UE) to perform frequency offset (FO) delta tracking. For an anchor component carrier (CC), the UE wakes up to perform tracking updates on a plurality of successive DRX cycles. For the non-anchor CC, the UE determines a minimum update interval Δtupd, and schedules wake-ups on a first subset of the plurality of successive DRX cycles based on the minimum update interval Δtupd. For the first subset of the plurality of successive DRX cycles with scheduled wake-ups, the UE performs the tracking updates on the non-anchor CC and updates an FO delta between the anchor CC and the non-anchor CC. For a second subset of the plurality of successive DRX cycles without the scheduled wake-ups on the non-anchor CC, the UE applies the FO delta to correct for a frequency error.