公开(公告)号：US20220407641A1

公开(公告)日：2022-12-22

申请号：US17897545

申请日：2022-08-29

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Alexei Davydov ,  Seunghee Han ,  Yushu Zhang ,  Joonyoung Cho

IPC: H04L5/00

Abstract: In one example, a method for a user equipment (UE) includes generating uplink (UL) signal data. The UL signal data includes UL control information (UCI) and UL shared channel (UL-SCH), the UCI includes a hybrid automatic repeat request acknowledge (HARQ-ACK) feedback or a channel state information (CSI) report, and the CSI report includes a first CSI part and a second CSI part. One or more resource regions are allocated to transmission of the HARQ-ACK feedback or the first CSI part and the second CSI part. When frequency hopping is enabled for a transmission of PUSCH, the allocated one or more resource regions for the transmission of the HARQ-ACK feedback or the first CSI part and the second CSI part are substantially equally divided into two portions, and each portion is transmitted in each frequency hop, frequency first mapping is applied to the transmission of PUSCH in each frequency hop.

公开(公告)号：US20220368390A1

公开(公告)日：2022-11-17

申请号：US17869494

申请日：2022-07-20

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Yushu Zhang ,  Ajit Nimbalker ,  Joonyoung Cho ,  Lopamudra Kundu

IPC: H04B7/06 ,  H04L5/00 ,  H04L69/324 ,  H04L27/26 ,  H04B7/0456

Abstract: Embodiments of a User Equipment (UE), Next Generation Node-B (gNB) and methods of communication are generally described herein. A channel state information (CSI) report may include a CSI part 1 transmission and may be configurable to include a CSI part 2 transmission. The UE may determine a first number of coded modulation symbols per layer to be used for the CSI part 1 transmission on a physical uplink shared channel (PUSCH) without uplink shared channel (UL-SCH) data. The first number of coded modulation symbols per layer may be determined as: a minimum of a first term and a second term if the CSI report includes the CSI part 2 transmission; and the second term if the CSI report does not include the CSI part 2 transmission.

公开(公告)号：US11490457B2

公开(公告)日：2022-11-01

申请号：US17097150

申请日：2020-11-13

Applicant: APPLE INC.

Inventor： Gang Xiong ,  Huaning Niu ,  Hong He ,  Jong-Kae Fwu

IPC: H04W88/10 ,  H04W76/27 ,  H04L1/18 ,  H04L5/00 ,  H04L5/10 ,  H04L5/14 ,  H04L27/26 ,  H04W56/00 ,  H04W72/04

Abstract: Technology for an eNodeB to communicate with a user equipment (UE) using a self-contained time division duplex (TDD) subframe within a wireless communication network is disclosed. The eNodeB can process, for transmission to the UE, a DL self-contained time division duplex (TDD) subframe comprising an extended physical downlink shared channel (xPDSCH), an extended physical downlink control channel (xPDCCH), a downlink (DL) spacing signal, and a guard period, wherein the xPDSCH, the xPDCCH, the DL spacing signal, and the guard time are located within the DL self-contained TDD subframe prior to an extended physical uplink control channel (xPUCCH). The eNodeB can process, an uplink (UL) self-contained TDD subframe, received from the UE, having a UL spacing signal located after an extended physical uplink shared channel (xPUSCH).

公开(公告)号：US20220346102A1

公开(公告)日：2022-10-27

申请号：US17860595

申请日：2022-07-08

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Wook Bong Lee ,  Gang Xiong ,  Hong He ,  Yongjun Kwak ,  Daewon Lee ,  Seung Hee Han ,  Alexei Davydov ,  Guotong Wang

IPC: H04W72/08 ,  H04W76/19 ,  H04W72/04

Abstract: An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to select one or more recovery channels based on one or more recovery factors; determine a beam recovery frame structure using the selected one or more recovery channels and based at least partially on beam correspondence capabilities; and provide the selected one or more recovery channels and the determined beam recovery frame structure to the RF interface for transmission to a user equipment (UE) device.

公开(公告)号：US11477054B2

公开(公告)日：2022-10-18

申请号：US16825931

申请日：2020-03-20

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Gang Xiong

IPC: H04L25/02 ,  H04L5/00

Abstract: Embodiments of the present disclosure describe systems, devices, and methods for channel estimation for NB-PBCH in NB-LTE systems. Various embodiments may relate to options that can be used for demodulation of the NB-PBCH by the NBLTE-UEs, and in certain embodiments may include a reference signal (RS) usable for demodulation of the NB-PBCH by the NBLTE-UEs. Other embodiments maybe described or claimed.

公开(公告)号：US11464075B2

公开(公告)日：2022-10-04

申请号：US16646176

申请日：2018-09-10

Applicant: Apple Inc.

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

IPC: H04W72/04 ,  H04W88/06 ,  H04W76/27 ,  H04B7/06 ,  H04B7/08 ,  H04L5/00 ,  H04W56/00 ,  H04W80/02 ,  H04W80/08

Abstract: Provided herein are method and apparatus for configuration of a Reference Signal (RS) and a Tracking Reference Signal (TRS). An embodiment provides an apparatus for an access node including a radio frequency (RF) interface; and processing circuitry configured to: determine a time density of a Tracking Reference Signal (TRS) based on a subcarrier spacing of a bandwidth part (BWP) in a current component carrier for a user equipment (UE); determine a frequency density of the TRS based on a bandwidth of the TRS; determine a quasi co-location (QCL) relationship of the TRS; and encode the TRS based on at least one of the time density, the frequency density and the QCL relationship for transmission to the UE via the RF interface. At least some embodiments allow for beam management, and allow for fine time and/or frequency offset tracking.

公开(公告)号：US11457510B2

公开(公告)日：2022-09-27

申请号：US16638333

申请日：2018-08-09

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 ,  H04W72/04 ,  H04W80/08

Abstract: A user equipment (UE) may receive information, via radio resource control (RRC) signaling, regarding a search space of a physical downlink control channel (PDCCH) for obtaining downlink control information (DCI) from a radio access network (RAN) node. Based on a slot format (SF) index in the DCI, the UE may determine a slot format for communicating with the RAN node, and communicate with the RAN node in accordance with the slot format. Additionally, a UE may communicate UE capability information, which may include a maximum number of blind decode attempts (BDAs), to the RAN node. The UE may determine 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), obtain sDCI by monitoring the sPDCCH in accordance with the determined sCCEs, and communicate with the RAN node in accordance with the sDCI.

公开(公告)号：US11425750B2

公开(公告)日：2022-08-23

申请号：US16488133

申请日：2018-03-22

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Debdeep Chatterjee ,  Ajit Nimbalker ,  Hong He

IPC: H04J3/00 ,  H04W72/12 ,  H04W76/27 ,  H04W72/04 ,  H04W74/08

Abstract: Timing determination techniques for 5G radio access network cells are described. According to various such techniques, during a random access procedure in a 5G cell, user equipment (UE) may determine slot offset values applicable to various transmissions associated with the random access procedure using procedures that do not rely on UE-specific radio resource control (RRC) signaling. According to some such techniques, during system information acquisition in a 5G cell, a UE may determine applicable slot offset values for one or more system information block (SIB) transmissions using procedures that do not rely on UE-specific radio resource control (RRC) signaling. Other embodiments are described and claimed.

公开(公告)号：US11419062B2

公开(公告)日：2022-08-16

申请号：US16502477

申请日：2019-07-03

Applicant: Apple Inc.

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

IPC: H04W52/32 ,  H04W52/14 ,  H04W88/02

Abstract: Embodiments of the present disclosure provide for mechanisms to enable full-power uplink transmission. Other embodiments may be described and claimed.

公开(公告)号：US20220201799A1

公开(公告)日：2022-06-23

申请号：US17692607

申请日：2022-03-11

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Glenn J. Bradford ,  Yushu Zhang ,  Jong-Kae Fwu ,  Yuan Zhu

IPC: H04W88/06 ,  H04L1/18 ,  H04L5/00 ,  H04W76/27 ,  H04B7/06 ,  H04L5/14 ,  H04W72/04

Abstract: Devices for and methods of providing low latency 5G FDD communications are generally described. A HARQ ACK/NACK for an xPDSCH is transmitted in the xPUCCH of the same or next subframe as the xPDSCH and xPDCCH. An xPUSCH is generated in the same subframe in response to an xPDCCH and HARQ ACK/NACK response is carried by another xPDCCH or xPHICH in the same or next sub frame. The xPDCCH and the xPUCCH are at opposite ends of the same subframe, DL and UL subframe are delayed relative to each other, or at least one of the DL and UL subframe has an additional blank portion, portion with data associated with another UE or portion that contains a reference signal, broadcast signal or control information.