公开(公告)号：US12052763B2

公开(公告)日：2024-07-30

申请号：US17437367

申请日：2020-08-06

Applicant: Apple Inc.

Inventor： Sarma V Vangala ,  Tarik Tabet ,  Chunxuan Ye ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Murtaza A Shikari ,  Naveen Kumar R Palle Venkata ,  Ralf Rossbach ,  Sreevalsan Vallath ,  Srinivasan Nimmala ,  Wei Zeng

IPC: H04W74/0833 ,  H04W28/02 ,  H04W72/12 ,  H04W72/23

CPC classification number: H04W74/0833 ,  H04W28/0278 ,  H04W72/12 ,  H04W72/23

Abstract: This disclosure relates to techniques for reducing latency in a high-propagation-delay wireless communication system. A user equipment device (UE) may transmit to a base station a random access initiation message, having a characteristic that is configured to indicate to the base station a requested size of a subsequent uplink grant to be provided by the base station for transmission of uplink data by the UE. For example, the characteristic may include a predetermined preamble included in the random access initiation message, such that a requested grant size is indicated by which preamble the UE selects from a plurality of possible preambles. As another example, the characteristic may include which RACH occasion is selected by the UE to transmit the random access initiation message. In response, the base station may allocate resources for use by the UE based on the characteristic.

公开(公告)号：US20240205723A1

公开(公告)日：2024-06-20

申请号：US18590741

申请日：2024-02-28

Applicant: Apple Inc.

Inventor： Naveen Kumar R. Palle Venkata ,  Ralf Rossbach ,  Dawei Zhang ,  Haijing Hu ,  Fangli Xu ,  Yuqin Chen ,  Zhibin Wu ,  Sarma V. Vangala ,  Srinivasan Nimmala ,  Srirang A. Lovlekar ,  Sethuraman Gurumoorthy

IPC: H04W28/02 ,  H04L1/1812 ,  H04W80/02

CPC classification number: H04W28/0231 ,  H04L1/1812 ,  H04W28/0278 ,  H04W80/02

Abstract: To accommodate a mix of high frequency carriers and lower frequency carriers, a protocol stack may include a radio link control (RLC) entity that allows configuration of status reporting control parameters on per carrier, or per subcarrier spacing. Alternatively, a protocol stack may include two RLC entities, one for handling high frequency carriers, and another for handling lower frequency carriers. (High frequency carriers and lower frequency carriers may be distinguished based on a frequency threshold.) Furthermore, a user equipment may transmit (to the network) an indication of its L2 buffer size. The network may configure the UE and/or control scheduling, to ensure the UE's L2 buffer does not overrun. Alternatively, the UE may indicate that it can support a percentage of a maximum buffer size. The network may configure the UE and/or control scheduling so that the UE's buffer occupancy does not exceed the percentage.

公开(公告)号：US11968678B2

公开(公告)日：2024-04-23

申请号：US17593251

申请日：2021-04-06

Applicant: APPLE INC.

Inventor： Weidong Yang ,  Ralf Rossbach ,  Fangli Xu ,  Amir Aminzadeh Gohari ,  Chunxuan Ye ,  Dawei Zhang ,  Haijing Hu ,  Oghenekome Oteri ,  Sigen Ye ,  Wei Zeng ,  Wenshu Zhang

IPC: H04W72/21 ,  H04L1/1812 ,  H04W72/1268 ,  H04W72/566

CPC classification number: H04W72/21 ,  H04L1/1812 ,  H04W72/1268 ,  H04W72/566

Abstract: Methods and wireless communication systems are provided for uplink control information (UCI) multiplexing with physical layer (PHY) priority and logical channel (LCH) based prioritization.

公开(公告)号：US20240107524A1

公开(公告)日：2024-03-28

申请号：US18457431

申请日：2023-08-29

Applicant: Apple Inc.

Inventor： Ping-Heng Kuo ,  Weidong Yang ,  Ralf Rossbach

IPC: H04W72/1268 ,  H04W72/232 ,  H04W76/28

CPC classification number: H04W72/1268 ,  H04W72/232 ,  H04W76/28

Abstract: A method and apparatus are provided for, in aspects, receiving, at a User Equipment (UE), a configuration relating to a logical channel (LCH) from a Base Station (BS); receiving, at the UE, an uplink grant for an uplink data; identifying a subset of the LCH mappable to the uplink grant based on the at least a part of the configuration; determining, at the UE, a connected-mode discontinuous reception (C-DRX) setting to be applied for an uplink transmission associated with the uplink grant based on the identified subset of the LCH; and controlling a quiescent state of the UE based on the C-DRX setting, wherein, in aspects, mappable may refer to allowed to be mapped or actually mapped. When LCHs of the subset are associated with different C-DRX settings, rule-based C-DRX selection can be used.

公开(公告)号：US20240089880A1

公开(公告)日：2024-03-14

申请号：US18463151

申请日：2023-09-07

Applicant: Apple Inc.

Inventor： Fangli Xu ,  Haijing Hu ,  Ping-Heng Kuo ,  Ralf Rossbach

IPC: H04W56/00 ,  H04W74/08

CPC classification number: H04W56/001 ,  H04W74/0833

Abstract: The present application relates to devices and components including apparatus, systems, and methods to provide uplink synchronization for a user equipment with one or more uplink transmissions to be transmitted.

公开(公告)号：US20240049215A1

公开(公告)日：2024-02-08

申请号：US17882449

申请日：2022-08-05

Applicant: Apple Inc.

Inventor： Weidong Yang ,  Dawei Zhang ,  Wei Zeng ,  Ralf Rossbach ,  Haijing Hu ,  Chunxuan Ye ,  Sigen Ye ,  Hong He ,  Haitong Sun

IPC: H04W72/12

CPC classification number: H04W72/1263 ,  H04W72/1284

Abstract: A user equipment (UE) includes a transceiver and a processor that is configured to identify a plurality of flows corresponding to data to be sent in an uplink (UL) direction. The processor is also configured to map a subset of the plurality of flows to a logical channel (LCH) of a plurality of LCHs. The processor is further configured to multiplex two or more scheduling requests (SRs) into an integrated SR for requesting one or more physical uplink control channel (PUCCH) resources corresponding to each flow of the subset of the plurality of flows of at least one LCH of the plurality of LCHs. Each SR included in the integrated SR corresponds to an SR for the data associated with at least one flow of the subset of the plurality of flows.

公开(公告)号：US20240049081A1

公开(公告)日：2024-02-08

申请号：US18313680

申请日：2023-05-08

Applicant: Apple Inc.

Inventor： Peng Cheng ,  Zhibin Wu ,  Haijing Hu ,  Yuqin Chen ,  Fangli Xu ,  Ping-Heng Kuo ,  Alexander Sirotkin ,  Naveen Kumar R Palle Venkata ,  Ralf Rossbach

IPC: H04W36/00 ,  H04W76/14 ,  H04W36/30

CPC classification number: H04W36/03 ,  H04W76/14 ,  H04W36/0085 ,  H04W36/305

Abstract: A user equipment (UE), a baseband processor or other network device can operate in a new radio (NR) unlicensed network can operate to communicate in a UE to UE (U2U) relay path through a first relay UE with another UE as a source or destination UE according to a direct communication request initiating from the source UE. The UE, as a source UE, can also perform the U2U relay reselection based on a measurement report received from a destination UE.

公开(公告)号：US20230337045A1

公开(公告)日：2023-10-19

申请号：US17785387

申请日：2021-09-02

Applicant: Apple Inc.

Inventor： Pavan Nuggehalli ,  Fangli Xu ,  Haijing Hu ,  Ralf Rossbach ,  Vijay Venkataraman

IPC: H04W28/02 ,  H04W28/24

CPC classification number: H04W28/0268 ,  H04W28/24 ,  H04W28/0273

Abstract: A base station (BS) may receive, from a network node, one or more data packets including one or more reflective quality of service (QoS) indicator (RQI) markings. The base station may then determine, based on a value of the one or more RQI markings, one or more active uplink (UL) QoS rules associated with a user equipment (UE). The base station may further determine, based on at least one of one or more timers, the one or more active UL QoS rules, and status information received from the UE, to include or refrain from including the one or more RQI markings in a transmission of the one or more data packets to the UE. Accordingly, in response to the determining that the RQI markings should be included, the base station may then transmit the one or more packets including the RQI markings to the UE.

公开(公告)号：US20230188272A1

公开(公告)日：2023-06-15

申请号：US17593172

申请日：2021-01-14

Applicant: APPLE INC.

Inventor： Ralf Rossbach ,  Fangli Xu ,  Murtaza A. Shikari ,  Dawei Zhang ,  Haijing Hu ,  Sarma V. Vangala ,  Srinivasan Nimmala

IPC: H04L1/1867 ,  H04L1/1812 ,  H04W72/23 ,  H04W72/1268

CPC classification number: H04L1/189 ,  H04L1/1812 ,  H04W72/23 ,  H04W72/1268

Abstract: Provided is a method by a user equipment (UE), comprising: acquiring, from a Base Station (BS), one or more messages comprising a first group of parameters and a second group of parameters of one or more Configured Grant (CG) configuration in a bandwidth part (BWP) of a cell, at least one CG configuration with the second group of parameters indicates a plurality of transmission occasions within a period, and repeating transmission of a Transport Block (TB) in the plurality of transmission occasions based on the at least one CG configuration.

公开(公告)号：US20230180212A1

公开(公告)日：2023-06-08

申请号：US17593680

申请日：2021-01-14

Applicant: APPLE INC.

Inventor： Sarma V. Vangala ,  Fangli Xu ,  Haijing Hu ,  Murali Narasimha ,  Naveen Kumar R Palle Venkata ,  Ralf Rossbach ,  Sethuraman Gurumoorthy ,  Sree Ram Kodali ,  Yuqin Chen ,  Zhibin Wu

IPC: H04W72/1263 ,  H04W28/02

CPC classification number: H04W72/1263 ,  H04W28/0278

Abstract: Systems and methods for enhancing the use of pre-emptive buffer status reports (pre-BSRs) in wireless communications systems implementing integrated access and backhaul (IAB) networks are disclosed herein. In some cases, an IAB node can re-classify the LCGs of one or more incoming data flows according to such pre-BSR usage. This may involve the use of and extended medium access control (MAC) control element (MAC CE) having more LCG bits than previously contemplated, having sub-LCG bits, or that includes further LCG classification information bits. Other embodiments use a priority index for LCGs in an extended pre-BSR MAC CE. The priority index may include one or more of a priority field, a prioritized bit rate (PBR), and/or a bucket size duration (BSD) that is reported to an IAB donor. Other embodiments leverage the provision of additional grants from an IAB node to a child IAB node to reduce unwanted pre-BSR effects.