公开(公告)号：US20240172126A1

公开(公告)日：2024-05-23

申请号：US18487557

申请日：2023-10-16

申请人： QUALCOMM Incorporated

发明人： Jagadish NADAKUDUTI ,  Lin LU ,  Paul GUCKIAN ,  Mingming CAI ,  Junsheng HAN ,  Udara FERNANDO ,  Raghu CHALLA

IPC分类号： H04W52/22 ,  H04B1/3827 ,  H04W52/12

CPC分类号： H04W52/225 ,  H04B1/3838 ,  H04W52/12

摘要： In certain aspects, a method implemented in a wireless device includes determining a specific absorption rate (SAR) distribution for a first wireless communication technology, determining a power density (PD) distribution for a second wireless communication technology, and combining the SAR distribution and the PD distribution to generate a combined RF exposure distribution. The method also includes determining at least one first maximum allowable power level and at least one second maximum allowable power level for a future time slot based on the combined RF exposure distribution, setting at least one transmission power limit for a first transmitter in the future time slot based on the at least one first maximum allowable power level, and setting at least one transmission power limit for a second transmitter in the future time slot based on the at least one second maximum allowable power level.

公开(公告)号：US20190200365A1

公开(公告)日：2019-06-27

申请号：US15852743

申请日：2017-12-22

申请人： QUALCOMM Incorporated

发明人： Ashwin SAMPATH ,  Joseph BURKE ,  Raghu CHALLA ,  Udara FERNANDO ,  Andrzej PARTYKA ,  Muhammad Nazmul ISLAM

IPC分类号： H04W72/08 ,  H04B1/3827 ,  H04W72/04

CPC分类号： H04W72/085 ,  H04B1/3838 ,  H04B17/318 ,  H04W24/02 ,  H04W24/10 ,  H04W52/146 ,  H04W52/223 ,  H04W52/242 ,  H04W52/36 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/046

摘要： In order to maintain conformance with exposure limits, in band measurements may be performed. A method, a computer-readable medium, and an apparatus may be provided for wireless communication at a user equipment. The apparatus receives an indication of a cell specific resource, e.g., a cell specific resource available for MPE measurement. The apparatus then performs a measurement based on the cell specific resource and determines whether to adjust a transmission characteristic of the user equipment based on whether the measurement meets a threshold. In another aspect a base station apparatus may configure a cell specific resource in which a user equipment may perform an MPE measurement and control use of the cell specific resource for the MPE measurement.

公开(公告)号：US20210282097A1

公开(公告)日：2021-09-09

申请号：US17166501

申请日：2021-02-03

申请人： QUALCOMM Incorporated

发明人： Eyosias Yoseph IMANA ,  Udara FERNANDO ,  Michael CORLEY

IPC分类号： H04W52/38 ,  H04B17/309

摘要： Methods and apparatus for distinguishing between an antenna of a user equipment (UE) being blocked by a cover or by human tissue. The transmission power of uplink signals may be adjusted accordingly, with higher transmission power for open space (OS) or a cover and lower transmission power for tissue. One example method for wireless communications by a UE generally includes receiving a plurality of cross-polarization captures from multiple antenna arrays of the UE; detecting that the cross-polarization captures correspond to a first OS circle in an in-phase/quadrature (IQ) plane out of a set of possible OS circles for the UE; based on the detection, assigning the first OS circle as an active OS circle for the UE and deactivating other possible OS circles in the set; determining an environmental scenario corresponding to the active OS circle; and transmitting a signal using a transmission power based on the determined scenario.

公开(公告)号：US20180358992A1

公开(公告)日：2018-12-13

申请号：US15703798

申请日：2017-09-13

申请人： QUALCOMM Incorporated

发明人： Udara FERNANDO

IPC分类号： H04B1/10

CPC分类号： H04B1/1036 ,  H03H19/002 ,  H04B1/0057 ,  H04B1/06 ,  H04B1/10 ,  H04B2001/1063

摘要： A single receiver to process multiple signals to achieve carrier aggregation includes a main path, an auxiliary path and one or more local oscillators. The main path has an input that receives an input signal. The input signal includes non-contiguous wanted signals and a jammer signal. The single receiver also includes an output coupled to a modem. The output provides the wanted signals to the modem. The auxiliary path is coupled to ground and includes an N-path filter. The N-path filter has multiple mixers. The N-path filter filters out at least a portion of the jammer signal in one or more gaps between the non-contiguous wanted signals in a same frequency band. The one or more local oscillators are coupled to the main path and/or the auxiliary path to provide a first reference signal to the main path and/or to the N-path filter of the auxiliary path.

公开(公告)号：US20240248543A1

公开(公告)日：2024-07-25

申请号：US18158771

申请日：2023-01-24

申请人： QUALCOMM Incorporated

发明人： Roberto RIMINI ,  Anant GUPTA ,  Udara FERNANDO

IPC分类号： G06F3/01 ,  H04M1/72403 ,  H04M1/72448 ,  H04M1/72484

CPC分类号： G06F3/017 ,  H04M1/72403 ,  H04M1/72448 ,  H04M1/72484

摘要： In some aspects, a device may detect an occurrence of an event associated with the device. The device may transmit a transmission signal responsive to detecting the occurrence of the event. The device may receive a reception signal that is a reflection of the transmission signal from an object. The device may determine, using at least the reception signal, a characteristic of a movement of the object. The device may determine that the characteristic of the movement is indicative of a gesture designated for controlling a function of the device. The device may control the function of the device responsive to determining that the characteristic of the movement is indicative of the gesture. Numerous other aspects are described.

公开(公告)号：US20230239707A1

公开(公告)日：2023-07-27

申请号：US17648789

申请日：2022-01-24

申请人： QUALCOMM Incorporated

发明人： Danlu ZHANG ,  Brian MOMEYER ,  Brian Clarke BANISTER ,  Udara FERNANDO ,  Eyosias Yoseph IMANA ,  Raghu Narayan CHALLA ,  Jiaying PAN ,  Xiaoxin ZHANG ,  Bala RAMASAMY

IPC分类号： H04W16/28 ,  H04W52/36

CPC分类号： H04W16/28 ,  H04W52/367

摘要： A method for wireless communication performed by a head-mounted user equipment (UE), the method includes determining a first spatial relationship between an eye of a human user of the head-mounted UE and physical transmission and reception ports of the head-mounted UE; based on the first spatial relationship, determining a second spatial relationship between a plurality of radio frequency (RF) beam directions of the head-mounted UE and the eye of the human user; selecting a first RF beam direction from among the plurality of RF beam directions based at least in part on the second spatial relationship with respect to the first RF beam direction; and transmitting or receiving RF radiation using a first RF beam conforming to the first RF beam direction.

公开(公告)号：US20210373127A1

公开(公告)日：2021-12-02

申请号：US16885239

申请日：2020-05-27

申请人： QUALCOMM Incorporated

发明人： Volodimir SLOBODYANYUK ,  Roberto RIMINI ,  Udara FERNANDO ,  Nitin Jonathan MYERS ,  Vijay VARADARAJAN

IPC分类号： G01S7/41 ,  G01S7/35 ,  G01S13/42 ,  G06F17/14 ,  G06F17/16

摘要： Methods, systems, computer-readable media, and apparatuses for determining one or more attributes of at least one target based on eigenspace analysis of radar signals are presented. In some embodiments, a subset of eigenvectors to use for forming a signal or noise subspace is identified based on principal component analysis. In some embodiments, the subset of eigenvectors is identified based on estimating the total number of targets using a discrete Fourier transform (DFT) or other spectral analysis technique. In some embodiments, a DFT is used to identify areas of interest in which to perform eigenspace analysis. In some embodiments, a DFT is used to estimate one attribute of a target, and eigenspace analysis is performed to estimate a different attribute of the target, with the results being combined to generate a multi-dimensional representation of a field of view.

公开(公告)号：US20210351805A1

公开(公告)日：2021-11-11

申请号：US17384682

申请日：2021-07-23

申请人： QUALCOMM Incorporated

发明人： Udara FERNANDO ,  Lin LU

IPC分类号： H04B1/3827 ,  H01Q1/24 ,  H04W52/28

摘要： An apparatus including a housing; sensors configured to sense one or more locations upon which a user is gripping the housing; sensors including antenna modules configured to transmit a signal based on the one or more locations upon which the user is gripping the housing. Another aspect relates to an apparatus including a housing; a set of antenna modules situated proximate at different surface locations along the housing; and a controller configured to operate the set of antenna modules to determine at least one or more electromagnetic leakage coupling between at least one pair of antenna modules of the set. In this aspect, the controller may be configured to select one or more of the set of antenna modules for transmitting a signal based on the one or more electromagnetic leakage coupling associated with one or more of the different locations where a user grips the housing, respectively.

公开(公告)号：US20210306022A1

公开(公告)日：2021-09-30

申请号：US17210228

申请日：2021-03-23

申请人： QUALCOMM Incorporated

发明人： Udara FERNANDO ,  Brian Clarke BANISTER ,  Eyosias Yoseph IMANA

IPC分类号： H04B1/3827 ,  H01Q21/00

摘要： Aspects relate to a calibration of an antenna array module of a wireless communication device in open space. The antenna array module may be used as a proximity sensor to detect an object's proximity relative to the antenna array module. Aspects include displaying an open space calibration instruction on a display of the wireless communication device, transmitting a proximity test signal from the antenna array module, measuring a value of a first signal received at the antenna array module in response to transmitting the proximity test signal, and storing the value of the first signal as an open space calibration value of the antenna array module. The first signal may be measured at cross-polarized antennas of the antenna array module. The value of the first signal may be representative of perturbations of the proximity test signal at the cross-polarized antennas.

公开(公告)号：US20200213952A1

公开(公告)日：2020-07-02

申请号：US16723983

申请日：2019-12-20

申请人： QUALCOMM Incorporated

发明人： Shanshan WANG ,  Aziz GHOLMIEH ,  Udara FERNANDO ,  Reza SHAHIDI

IPC分类号： H04W52/26 ,  H04B1/3827 ,  H04W52/30 ,  H04W72/14 ,  H04W72/12

摘要： Wireless communications systems and methods related to modifying a buffer status report (BSR) are provided. In one embodiment, a first wireless communication device determines a BSR based on at least a first data size and a predicted data size. The first wireless communication device transmits to a second wireless communication device, the BSR. The first wireless communication device receives from the second wireless communication device, a scheduling grant in response to the BSR. The first wireless communication device transmits to the second wireless communication device, a communication signal based on the scheduling grant.