公开(公告)号：US11228401B2

公开(公告)日：2022-01-18

申请号：US16713795

申请日：2019-12-13

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Xiaofei Wang ,  Guodong Zhang ,  Robert L. Olesen ,  Hanqing Lou ,  Monisha Ghosh ,  Pengfei Xia ,  Nirav B. Shah ,  Oghenekome Oteri

IPC: H04L1/18 ,  H04L1/00 ,  H04L1/06 ,  H04L1/16 ,  H04W84/12

Abstract: Systems, methods, and instrumentalities are provided to implement a method of communicating a feedback in a wireless local area network (WLAN). A WLAN device may receive a data frame with a hybrid automatic repeat request (HARQ) data indicator in a frame header. The WLAN device may send an acknowledgement frame when the data frame is correctly received and decoded. The WLAN device may send a negative acknowledgement frame when the data frame is not correctly received and decoded.

公开(公告)号：US11223453B2

公开(公告)日：2022-01-11

申请号：US16480170

申请日：2017-02-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yanliang Sun ,  Bin Liu

IPC: H04L5/00 ,  H04L1/06 ,  H04W72/04

Abstract: A method includes determining, by a first device, a first resource set and a second resource set in a first transmission subframe; determining a data transmission manner on the first resource set and the second resource set; and implementing data transmission with a second device based on the determined data transmission manner by using the first transmission subframe, where the first resource set is a set of remaining resource elements other than resource elements paired based on a first pairing rule in all resource elements used for data transmission in the first transmission subframe, and the second resource set is a set of the resource elements paired based on the first pairing rule in the first transmission subframe.

公开(公告)号：US11190243B2

公开(公告)日：2021-11-30

申请号：US16716291

申请日：2019-12-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaojia Lu ,  Anders Dahlen ,  Gunnar Peters ,  Per Tengkvist

IPC: H04B7/0456 ,  H04B7/06 ,  H04L1/06 ,  H04L25/02

Abstract: A control device for a wireless communication system is configured to obtain a first channel estimation for a first client device and a second channel estimation for a second client device, to allocate a common resource block (RB) for concurrent wireless transmission between a first network node and the first client device using a first radio access technology (RAT) and between a second network node and the second client device using a second RAT based on the first channel estimation and the second channel estimation. The control device is further configured to allocate a first precoder for the common RB for the first client device and a second precoder for the common RB for the second client device. The first precoder and the second precoder are configured for spatially multiplexing the concurrent wireless transmission.

公开(公告)号：US11171693B2

公开(公告)日：2021-11-09

申请号：US16666149

申请日：2019-10-28

Applicant: QUALCOMM Incorporated

Inventor： Jay Rodney Walton ,  Lizhong Zheng ,  John W. Ketchum ,  Mark S. Wallace ,  Steven J. Howard

IPC: H04L1/02 ,  H04B7/08 ,  H04B7/0417 ,  H04B7/06 ,  H04L1/06 ,  H04B17/336 ,  H04B7/0456

Abstract: Spatial spreading is performed in a multi-antenna system to randomize an “effective” channel observed by a receiving entity for each transmitted data symbol block. For a MIMO system, at a transmitting entity, data is processed (e.g., encoded, interleaved, and modulated) to obtain ND data symbol blocks to be transmitted in NM transmission spans, where ND≥1 and NM>1. The ND blocks are partitioned into NM data symbol subblocks, one subblock for each transmission span. A steering matrix is selected (e.g., in a deterministic or pseudo-random manner from among a set of L steering matrices, where L>1) for each subblock. Each data symbol subblock is spatially processed with the steering matrix selected for that subblock to obtain transmit symbols, which are further processed and transmitted via NT transmit antennas in one transmission span. The ND data symbol blocks are thus spatially processed with NM steering matrices and observe an ensemble of channels.

公开(公告)号：US20210336730A1

公开(公告)日：2021-10-28

申请号：US16332328

申请日：2018-01-02

Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Inventor： Yanan LIN

IPC: H04L1/18 ,  H04L1/06 ,  H04L1/16 ,  H04W28/06

Abstract: The embodiments of the application provide feedback information sending or receiving methods, devices and a system, and relate to the field of communication. The method includes that: a first bit length is determined, the first bit length being a number of bits for representing Transport Block (TB)-level feedback response information; a second bit length is determined, the second bit length being a number of bits for representing target TB indication information; feedback information is generated according to the first bit length and the second bit length, the feedback information including the TB-level feedback response information, the target TB indication information and code block group-level feedback response information; and the feedback information is sent.

公开(公告)号：US11160032B2

公开(公告)日：2021-10-26

申请号：US16725317

申请日：2019-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yubo Yang ,  Chao Luo ,  Zheng Liu ,  Xiaolei Tie

IPC: H04W52/10 ,  H04W52/24 ,  H04L5/00 ,  H04L1/06 ,  H04W52/26 ,  H04L27/26 ,  H04W72/04

Abstract: Embodiments of this application provide a data sending method, a data receiving method, a transmit-end device, and a receive-end device. The data sending method provided in the embodiments of this application may include: performing scrambling code initialization to generate a scrambling code; scrambling a data block based on the scrambling code; repeatedly sending the scrambled data block; performing scrambling code initialization to generate a new scrambling code when an interval after previous scrambling code initialization of the data block is greater than or equal to a preset scrambling code initialization parameter threshold; scrambling the data block again based on the generated new scrambling code; and repeatedly sending the data block scrambled again. The embodiments of this application can improve efficiency of data transmission between a transmit-end device and a receive-end device.

公开(公告)号：US20210328729A1

公开(公告)日：2021-10-21

申请号：US16338582

申请日：2017-10-26

Applicant: Guangdong OPPO Mobile Telecommunications Corp., Ltd.

Inventor： Yanan Lin

IPC: H04L1/18 ,  H04L1/06 ,  H04W72/12 ,  H04W72/04

Abstract: A method for transmitting feedback response information and a related product are provided. The method includes: receiving, by a terminal, configuration information from a network device; determining, by the terminal, a largest number of pieces of feedback response information corresponding to one physical shared channel according to the configuration information; determining, by the terminal, a bit length of a first information field according to the largest number of pieces of the feedback response information; determining, by the terminal, a feedback response information sequence in a target time unit according to the first information field; and sending, by the terminal, the feedback response information sequence in the target time unit.

公开(公告)号：US11153043B2

公开(公告)日：2021-10-19

申请号：US16662785

申请日：2019-10-24

Applicant: Roku, Inc.

Inventor： Nermin Osmanovic

IPC: H04L1/24 ,  G01R31/28 ,  H04L1/06 ,  H04R29/00 ,  G01R31/3193

Abstract: Embodiments described herein generally relate to measuring and evaluating a test signal generated by a device under test (DUT). In particular, the test signal generated by the DUT may be compared to a reference signal and scored based on the comparison. For example, a method may include: capturing a test signal from a device under test; splicing the test signal into a plurality of test audio files based on a plurality of frequency bins; at each frequency bin, comparing each of the plurality of test audio files to a corresponding reference audio file from among a plurality of reference audio files, the plurality of reference audio files being associated with a reference signal; and calculating a performance score of the device under test based on the comparisons.

公开(公告)号：US11140528B2

公开(公告)日：2021-10-05

申请号：US16495822

申请日：2018-03-21

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Youngtae Kim ,  Hyukjin Chae

IPC: H04W4/40 ,  H04L1/00 ,  H04L1/06 ,  H04L5/00 ,  H04L27/26 ,  H04W72/04 ,  H04W88/16

Abstract: Provided are a method for decoding a V2X signal transmitted by means of a transmit diversity method in a wireless communication system, and a terminal for applying same. The method comprises: determining a first CS index of a first DM-RS associated with a first antenna port on the basis of a CRC of sidelink control information (SCI) received via a PSCCH; determining a second CS index of a second DM-RS associated with a second antenna port on the basis of reserved bits of the SCI; and on the basis of the first DM-RS having the first CS index applied thereto, and the second DM-RS having the second CS index applied thereto, decoding a V2X signal transmitted via the first antenna port and the second antenna port.

公开(公告)号：US20210306197A1

公开(公告)日：2021-09-30

申请号：US17188810

申请日：2021-03-01

Applicant: Cohere Technologies, Inc.

Inventor： Shlomo Selim Rakib ,  Ronny Hadani

IPC: H04L27/26 ,  H04L1/06 ,  G06F17/14 ,  H04L5/00

Abstract: A system and method for orthogonal time frequency space communication and waveform generation. The method includes receiving a plurality of information symbols and encoding an N×M array containing the plurality of information symbols into a two-dimensional array of modulation symbols by spreading each of the plurality of information symbols with respect to both time and frequency. The two-dimensional array of modulation symbols is then transmitted using M mutually orthogonal waveforms included within M frequency sub-bands.