公开(公告)号：US20230156625A1

公开(公告)日：2023-05-18

申请号：US17934284

申请日：2022-09-22

Applicant: QUALCOMM Incorporated

Inventor： Tienyow LIU ,  Michel CHAUVIN ,  Farhad MESHKATI ,  Raghu Narayan CHALLA ,  Reza SHAHIDI ,  Arnaud MEYLAN ,  Yahia RAMADAN ,  Jing LIN ,  Tianpei CHEN ,  Jagadish NADAKUDUTI ,  Lin LU ,  Paul GUCKIAN ,  Huang LOU

IPC: H04W52/34 ,  H04W72/04

CPC classification number: H04W52/346 ,  H04W72/0473

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify an available energy for uplink transmission of a plurality of communication links of the UE. The UE may configure, from the available energy, a first set of energy allocations for the plurality of communication links. The UE may configure a second set of energy allocations for one or more communication links of the plurality of communication links, wherein the second set of energy allocations are allocated from a remainder of the available energy after the first set of energy allocations are allocated. The UE may transmit based at least in part on at least one of the first set of energy allocations or the second set of energy allocations. Numerous other aspects are described.

公开(公告)号：US20220286974A9

公开(公告)日：2022-09-08

申请号：US17141150

申请日：2021-01-04

Applicant: QUALCOMM Incorporated

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

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

Abstract: 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：US20220086770A1

公开(公告)日：2022-03-17

申请号：US17392442

申请日：2021-08-03

Applicant: QUALCOMM Incorporated

Inventor： Troy CURTISS ,  Akhil DEODHAR ,  Jagadish NADAKUDUTI ,  Lin LU ,  Paul GUCKIAN

IPC: H04W52/24 ,  H04W52/22 ,  H04B17/10 ,  H04L1/00

Abstract: Certain aspects of the present disclosure provide techniques for exception-robust time-averaged radio frequency (RF) exposure compliance continuity. A method that may be performed by a user equipment (UE) generally includes transmitting a first signal at a first transmission power based on time-averaged RF exposure measurements over a time window and storing RF exposure information associated with the time window. The method may also include detecting that an exception event associated with the UE occurred and transmitting a second signal at a second transmission power based at least in part on the stored RF exposure information in response to the detection of the event.

公开(公告)号：US20210127337A1

公开(公告)日：2021-04-29

申请号：US17141150

申请日：2021-01-04

Applicant: QUALCOMM Incorporated

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

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

Abstract: 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：US20170322247A1

公开(公告)日：2017-11-09

申请号：US15348745

申请日：2016-11-10

Applicant: QUALCOMM Incorporated

Inventor： Lin LU ,  Jagadish NADAKUDUTI ,  Paul GUCKIAN

IPC: G01R29/08

CPC classification number: G01R29/0857 ,  G01R29/0878

Abstract: A device and method for determining power density measurements of electromagnetic (EM) transmissions from an antenna of a wireless electronic device are disclosed. The method can include determining one or more worst case configurations within an exposure plane based on a power density distribution of the antenna in free space. The method can also include measuring power density distribution across a first plane at a first distance from the exposure plane and across a second plane at a second distance from the exposure plane. The method can also include first back transforming power density distribution of the first plane to the second plane, second back transforming power density distribution from the first plane to the exposure plane, and third back transforming power density distribution from the second plane to the exposure plane, for the one or more worst case configurations.

公开(公告)号：US20250038781A1

公开(公告)日：2025-01-30

申请号：US18783339

申请日：2024-07-24

Applicant: QUALCOMM Incorporated

Inventor： Jagadish NADAKUDUTI ,  Scott HOOVER ,  Akhil DEODHAR ,  Lin LU ,  Paul GUCKIAN ,  Huang LOU ,  Farhad MESHKATI ,  Troy CURTISS ,  Nandhini SRINIVASAN

IPC: H04B1/3827 ,  H04W52/36 ,  H04W84/12

Abstract: Techniques and apparatus for operating a wireless device pursuant to RF exposure compliance are provided. An example method generally includes: when an RFECS1 of the wireless device is in an online state, controlling, via the RFECS1, at least one of one or more first radios associated with a first RAT or one or more second radios associated with a second RAT, in compliance with an RF exposure limit and based on at least one of first RF exposure information associated with the one or more first radios or second RF exposure information associated with the one or more second radios; and when the RFECS1 is unavailable, controlling, via a second RF exposure control scheme, the one or more second radios associated with the second RAT in compliance with the RF exposure limit and based on third RF exposure information associated with the one or more second radios.

公开(公告)号：US20240430818A1

公开(公告)日：2024-12-26

申请号：US18747776

申请日：2024-06-19

Applicant: QUALCOMM Incorporated

Inventor： John FORRESTER ,  Paul GUCKIAN ,  Justin MCGLOIN ,  David Loweth WINSLOW ,  Erwin SPITS

IPC: H04W52/28 ,  H04B1/3827 ,  H04W52/14

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for complying with radio frequency (RF) exposure limits via device positioning relative to a human body. An example method of wireless communication includes obtaining first information associated with one or more sensors. The method further includes obtaining second information associated with a mode of using the wireless device. The method further includes determining a position of the wireless device relative to a human body based at least in part on the first information and the second information. The method further includes transmitting a signal at a transmit power in compliance with an RF exposure limit based at least in part on the determined position of the wireless device.

公开(公告)号：US20240275418A1

公开(公告)日：2024-08-15

申请号：US18436929

申请日：2024-02-08

Applicant: QUALCOMM Incorporated

Inventor： Troy CURTISS ,  Jagadish NADAKUDUTI ,  Lin LU ,  Scott HOOVER ,  Akhil DEODHAR ,  Nandhini SRINIVASAN ,  Paul GUCKIAN

IPC: H04B1/3827 ,  H04W52/22 ,  H04W52/36

CPC classification number: H04B1/3838 ,  H04W52/225 ,  H04W52/367

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for exceptions to region-specific radio frequency parameters. An example method of wireless communication includes identifying a region in which the wireless device is located. The method further includes identifying an indication, associated with the identified region, of whether to apply one or more exception values or one or more default values, associated with one or more parameters for radio frequency (RF) exposure compliance. The method also includes selecting the one or more exception values based on the indication and transmitting a signal at a transmit power based at least in part on the selected one or more exception values.

公开(公告)号：US20240129860A1

公开(公告)日：2024-04-18

申请号：US18544064

申请日：2023-12-18

Applicant: QUALCOMM Incorporated

Inventor： Lin LU ,  Jagadish NADAKUDUTI ,  Akhil DEODHAR ,  Troy CURTISS ,  Paul GUCKIAN

IPC: H04W52/28 ,  H04B1/3827 ,  H04W52/30

CPC classification number: H04W52/283 ,  H04B1/3838 ,  H04W52/30 ,  H04W88/06

Abstract: Techniques and apparatus for configurable radio frequency (RF) exposure compliance based on region. An example method of wireless communication by a user equipment (UE) generally includes identifying a region in which the UE is located, selecting at least one of a mode or one or more parameters for RF exposure compliance based on the identified region, and transmitting a signal at a transmission power level based at least in part on the at least one of the selected mode or the selected one or more parameters.

公开(公告)号：US20230012908A1

公开(公告)日：2023-01-19

申请号：US17949976

申请日：2022-09-21

Applicant: QUALCOMM Incorporated

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

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

Abstract: 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.