公开(公告)号：WO2019067156A1

公开(公告)日：2019-04-04

申请号：PCT/US2018/048915

申请日：2018-08-30

Applicant: APPLE INC.

Inventor： HO, Keangpo R. ,  SU, Ling

IPC: H04B7/06 ,  H04B7/08

Abstract: Post-amble processing of a beam forming packet may utilize different sector rotation speeds at different wireless communication devices. Power measurements may be captured for individual sectors of an antenna array with respect to a complete rotation of antenna sectors at another wireless communication device. The power measurements may be evaluated to identify a sector for directing a millimeter wave beam between the different wireless communication devices. In some embodiments, a second packet may be transmitted back using the identified sector to determine another sector for directing the millimeter wave beam between the different wireless communication devices.

公开(公告)号：WO2018144252A1

公开(公告)日：2018-08-09

申请号：PCT/US2018/014540

申请日：2018-01-19

Applicant: APPLE INC.

Inventor： LASHKARIAN, Navid ,  FORBES, Marcellus D. ,  SU, Ling

IPC: H04B17/309 ,  G01S3/14

CPC classification number: H04W64/003 ,  G01S3/143 ,  H01Q3/24 ,  H01Q3/2605 ,  H01Q3/2658 ,  H01Q3/36 ,  H01Q21/061 ,  H04B7/0617 ,  H04B17/309

Abstract: The representative embodiments discussed in the present disclosure relate to techniques in which the transmission and reception of phase array antennas (69) may be measured to more accurately and more efficiently estimate incidence angles of the associated RF signals. More specifically, in some embodiments, RF signals may be transmitted and received by various subsets of antennas (69) in a pair of phased antenna arrays (67), and the resulting signals may adaptively filtered and fed back to perform iterations until incidence angles may be accurately determined.

公开(公告)号：WO2020006291A1

公开(公告)日：2020-01-02

申请号：PCT/US2019/039591

申请日：2019-06-27

Applicant: APPLE INC.

Inventor： CISMAS, Sorin C. ,  CHOU, Jim C. ,  SU, Ling ,  HO, Keangpo R.

IPC: H04N19/132 ,  H04N19/164 ,  H04N19/167 ,  H04N19/17 ,  H04N19/169 ,  H04N19/37 ,  H04N19/645 ,  H04N19/63

Abstract: A video encoding system in which pixel data is decomposed into frequency bands prior to encoding. The frequency bands are organized into blocks that are provided to a block-based encoder that encodes the blocks and passes the encoded blocks to a wireless interface that packetizes the blocks for transmittal over a wireless connection. The encoder may categorize the encoded frequency bands into multiple priority levels, and may tag each frequency block with metadata indicating the frequency band represented in the block, the priority of the frequency band, and timing information. The wireless interface may then transmit or drop packets according to the priority levels of the encoded frequency blocks in the packets and/or according to the timing information of the frequency blocks in the packets.