公开(公告)号：US11070322B2

公开(公告)日：2021-07-20

申请号：US16476528

申请日：2018-03-22

Applicant: Apple Inc.

Inventor： Hong He ,  Ajit Nimbalker ,  Gang Xiong ,  Dae Won Lee ,  Hwan-Joon Kwon

IPC: H04L1/18 ,  H04W72/04 ,  H04W84/04

Abstract: A device of a User Equipment (UE) includes a soft buffer including a plurality of soft buffer partitions to store a plurality of soft bits for a number of hybrid automatic retransmission request (HARQ) processes, wherein the number of HARQ processes includes first HARQ processes corresponding to a first Time Transmission Interval (TTI) Type of a first duration (TTI Type 1), and second HARQ processes corresponding to a second TTI Type of a second duration (TTI Type 2) shorter than the first duration. The device further includes processing circuitry to communicate with a base station in a cellular network, the processing circuitry further to effect a dynamic switching between a TTI Type 1 communication mode and a TTI Type 2 communication mode, and to selectively access the soft buffer partitions to perform, based on the switching, at least one of the first HARQ processes and the second HARQ processes.

公开(公告)号：US20210219328A1

公开(公告)日：2021-07-15

申请号：US17215324

申请日：2021-03-29

Applicant: Apple Inc.

Inventor： Gang Xiong ,  Hong He ,  Ajit Nimbalker ,  Joonyoung Cho ,  Dae Won Lee

IPC: H04W72/12 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04

Abstract: Methods, apparatus, and systems are provided for signalling transmissions using carriers of different numerologies. In one example, a baseband processor of a base station is configured to perform operations including encoding a first signal to be transmitted on a physical downlink control channel (PDCCH) on a first component carrier with a first subcarrier spacing. The first signal includes downlink control information (DCI) indicating resources for a second signal to be transmitted on a second component carrier with a second subcarrier spacing. The DCI is based on a predetermined numerology and respective numerologies of the first component carrier and the second component carrier are different from one another in accordance with the first subcarrier spacing and the second subcarrier spacing. The baseband processor is configured to cause transmission of the first signal on the PDCCH.

公开(公告)号：US20210160747A1

公开(公告)日：2021-05-27

申请号：US17164561

申请日：2021-02-01

Applicant: Apple Inc.

Inventor： Candy Yiu ,  Rui Huang ,  Yang Tang ,  Youn Hyoung Heo ,  Ansab Ali ,  Sudeep K. Palat ,  Dae Won Lee ,  Jie Cui

IPC: H04W36/00 ,  H04J11/00 ,  H04W16/28 ,  H04W36/06 ,  H04W36/08 ,  H04W36/30

Abstract: Beamforming measurement techniques based on PSS/SSS are disclosed. An apparatus of a user equipment (UE) can include processing circuitry configured to decode a configuration message from a source serving cell, the configuration message indicating signal selection criteria for cell measurement reporting. A synchronization signal (SS) burst set associated with one or more transmission/reception points (TRPs) within a neighboring cell is decoded, the SS burst set including a plurality of SS blocks. A cell bcamforming measurement signal associated with the neighboring cell is generated, based on signal measurements of the SS blocks and the signal selection criteria. A radio resource management (RRM) measurement report message is encoded for transmission to the serving cell, the measurement report message including the cell beamforming measurement signal. A handover command message for initiating a handover to the neighboring cell is decoded, the handover command based on the cell beamforming measurement signal.

公开(公告)号：US20200229270A1

公开(公告)日：2020-07-16

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 ,  H04W72/04 ,  H04W80/08 ,  H04W24/08

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.