公开(公告)号：US10721627B2

公开(公告)日：2020-07-21

申请号：US16052474

申请日：2018-08-01

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Bin Tian ,  Jialing Li Chen ,  Lin Yang

IPC: H04W4/00 ,  H04W16/10 ,  H04B7/024 ,  H04B7/0417 ,  H04B7/0452 ,  H04B7/06 ,  H04W84/10 ,  H04W72/04

Abstract: Certain aspects relate to methods and apparatus for wireless communication. The apparatus generally includes a processing system configured to generate a first frame including an indication of unused resources in a first basic service set (BSS) available to be shared with one or more wireless nodes in one or more second BSSs. The apparatus also includes a first interface configured to output the first frame for transmission to the one or more wireless nodes.

公开(公告)号：US10582026B2

公开(公告)日：2020-03-03

申请号：US15826541

申请日：2017-11-29

Applicant: QUALCOMM Incorporated

Inventor： Dung Ngoc Doan ,  Tao Tian ,  Sameer Vermani ,  Bin Tian ,  Lin Yang ,  Eric Pierre Rebeiz ,  Rahul Tandra ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou

IPC: H04L29/06 ,  H04L27/26 ,  H04W72/04

Abstract: A method of wirelessly communicating a packet includes generating, at a first wireless device, a first packet including a first preamble decodable by a plurality of devices and a second preamble decodable by only a subset of the plurality of devices. The first preamble includes a first signal field. The second preamble includes a first training field. The method further includes transmitting the first packet concurrently with one or more second packets to be transmitted by wireless devices other than the first wireless device.

公开(公告)号：US10375683B2

公开(公告)日：2019-08-06

申请号：US15587135

申请日：2017-05-04

Applicant: QUALCOMM Incorporated

Inventor： Lochan Verma ,  Sameer Vermani ,  Bin Tian ,  Lin Yang ,  Raja Banerjea ,  Alfred Asterjadhi

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04W16/14 ,  H04W52/14 ,  H04W52/24 ,  H04W74/04 ,  H04W84/12 ,  H04W74/00

Abstract: The present disclosure provides various aspects related to techniques for generating trigger frames, at an access point (AP), that reduce the overhead associated with triggering an uplink transmission from the wireless station (STA). Features of the present disclosure achieve this by, for example, utilizing a single per-user information field of the trigger to signal a plurality of random access resource units that may be allocated to the one or more STAs in the network. Such a technique is an improvement over the conventional system that require each random access resource unit to be signaled separately in a separate per-user information field (thus increasing the overhead). Additionally, aspects of the present disclosure allow the AP to effectively signal to the STA whether the one or more resources allocated to the at least one STA are a single user resource unit allocation or a multi-user resource unit allocation.

公开(公告)号：US10355956B2

公开(公告)日：2019-07-16

申请号：US15260131

申请日：2016-09-08

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Youhan Kim

IPC: H04L12/26 ,  H04W72/04 ,  H04W52/36 ,  H04L27/26 ,  H04W84/12 ,  H04W88/02

Abstract: Methods, systems, and devices are described for wireless communications. A wireless station includes a transmitter to generate a wideband contiguous waveform in a band. The transmitter transmits the waveform that conforms to spectral masking attributes and spectral flatness attributes. The wireless station, or another device supporting spectrum analysis functions, detects a wideband contiguous waveform and performs spectrum analysis of the waveform. The wireless station includes a resolution bandwidth of 25 KHz and a video bandwidth of 7.5 KHz.

公开(公告)号：US10285149B2

公开(公告)日：2019-05-07

申请号：US15182554

申请日：2016-06-14

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Tao Tian

IPC: H04W56/00 ,  H04W72/04 ,  H04B7/0456 ,  H04B7/0452 ,  H04L5/00 ,  H04L25/02 ,  H04L27/26

Abstract: Techniques are provided for phase tracking in wireless communications using frames with some portions that use relatively long symbol durations. One technique includes generating a frame having a plurality of orthogonal training field sequences. Each orthogonal training field sequence is assigned to a different spatial stream. The frame is output for transmission as a single user (SU) transmission, a downlink multi-user (MU) multiple input multiple output (MIMO) transmission, or an orthogonal frequency division multiple access (OFDMA) transmission. After obtaining the frame, channel estimation and/or phase tracking may be performed based on the orthogonal training field sequences.

公开(公告)号：US20190110261A1

公开(公告)日：2019-04-11

申请号：US16154530

申请日：2018-10-08

Applicant: QUALCOMM Incorporated

Inventor： Jialing Li Chen ,  Lin Yang ,  Bin Tian ,  Sameer Vermani ,  Lochan Verma

IPC: H04W52/36 ,  H04W52/16 ,  H04W72/04 ,  H04B1/7156

Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may identify a transmission mode for transmission of an input signal to be transmitted. The input signal may thus be modulated according to the identified transmission mode, and the modulated signal may then be transmitted at some power level to produce a transmitted signal having a spectral envelope. In some cases, the spectral envelope may be defined in terms of a power spectral density (PSD) of the transmitted waveform. The PSD may generally define the power of the waveform signal distributed over frequencies of the waveform. Further, the wireless device may control the modulation of the input signal, in addition to the power level of the input signal, to maintain the spectral envelope to be within a spectral mask defined for the implemented transmission mode as well as to conform to spectral flatness parameters.

公开(公告)号：US10117254B2

公开(公告)日：2018-10-30

申请号：US15213967

申请日：2016-07-19

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Jialing Li Chen

IPC: H04J1/00 ,  H04W72/04 ,  H04L5/00 ,  H04L12/26 ,  H04L27/26

Abstract: A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to determine a plurality of resource units for communication. The apparatus is configured to generate a set of pilot signals in at least one resource unit of the plurality of resource units. The apparatus is configured to transmit the generated set of pilot signals in the at least one resource unit of the plurality of resource units.

公开(公告)号：US20180091632A1

公开(公告)日：2018-03-29

申请号：US15826541

申请日：2017-11-29

Applicant: QUALCOMM Incorporated

Inventor： Dung Ngoc Doan ,  Tao Tian ,  Sameer Vermani ,  Bin Tian ,  Lin Yang ,  Eric Pierre Rebeiz ,  Rahul Tandra ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou

IPC: H04L29/06 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04L69/22 ,  H04L27/261 ,  H04W72/04

Abstract: A method of wirelessly communicating a packet includes generating, at a first wireless device, a first packet including a first preamble decodable by a plurality of devices and a second preamble decodable by only a subset of the plurality of devices. The first preamble includes a first signal field. The second preamble includes a first training field. The method further includes transmitting the first packet concurrently with one or more second packets to be transmitted by wireless devices other than the first wireless device.

公开(公告)号：US09894663B2

公开(公告)日：2018-02-13

申请号：US14805347

申请日：2015-07-21

Applicant: QUALCOMM Incorporated

Inventor： Jialing Li Chen ,  Lin Yang ,  Bin Tian ,  Sameer Vermani ,  Rahul Tandra

IPC: H04W4/00 ,  H04W72/08 ,  H04L1/00 ,  H04L5/00 ,  H04W72/04

CPC classification number: H04W72/082 ,  H04L1/0057 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/0048 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0486

Abstract: Methods and apparatuses for providing wireless messages according to various tone plans can include a system including a memory that stores instructions. The system further includes a processor coupled with the memory. The processor is configured to execute the instructions to generate a message for wireless communication according to at least one of a set of 52 tones, for allocation to an individual device, including 48 data tones and 4 pilot tones, and a set of 106 tones, for allocation to an individual device, including 102 data tones and 4 pilot tones. The processor is further configured to execute the instructions to provide the message for transmission.

公开(公告)号：US09844028B2

公开(公告)日：2017-12-12

申请号：US14825944

申请日：2015-08-13

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Jialing Li Chen ,  Sameer Vermani ,  Bin Tian ,  Rahul Tandra ,  Youhan Kim

IPC: H04W72/04 ,  H04W72/02

CPC classification number: H04W72/02 ,  H04L1/0041 ,  H04L27/2602 ,  H04W72/04

Abstract: Methods and apparatus for providing wireless messages according to various tone plans can include, for example, a method of wireless communication. The method includes selecting at least one of a 242-tone resource unit (RU), associated with a 256-tone plan including 234 data tones, 8 pilot tones, 3 direct current tones, and 11 edge tones, for transmission over a 20 MHz bandwidth, or a 484-tone RU, associated with a 512-tone plan including 468 data tones, 16 pilot tones, 5 direct current tones, and 23 edge tones, for transmission over a 40 MHz bandwidth. The method further includes providing a message for transmission according to the 256-tone plan or 512-tone plan.