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公开(公告)号：US20230139016A1
公开(公告)日：2023-05-04
申请号：US18051769
申请日：2022-11-01
发明人： Jagadish NADAKUDUTI , Lin LU , Paul GUCKIAN
摘要： Certain aspects of the present disclosure provide techniques and apparatus for operating a wireless communication device pursuant to radio frequency (RF) exposure across tissues and/or body locations. An example method of wireless communication by a user equipment generally includes determining a time-averaged RF exposure per exposure scenario or category. The RF exposure for the exposure scenario may be determined for a given antenna or group of antennas, where a grouping of the group of antennas may be specific to the exposure scenario or category. Another example method generally includes tracking sets of RF exposures separately across a plurality of locations associated with a human body over time, and transmitting a first signal at a first transmit power determined based on a time-averaged RF exposure limit and at least one of the tracked RF exposures.
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公开(公告)号：US20230138665A1
公开(公告)日：2023-05-04
申请号：US18051847
申请日：2022-11-01
发明人： Lin LU , Jagadish NADAKUDUTI , Paul GUCKIAN
摘要： Certain aspects of the present disclosure provide techniques and apparatus for radio frequency (RF) exposure compliance using device state information (e.g., a device state index (DSI)). Certain aspects may utilize the device information in simultaneous radio transmission scenarios, such as for simultaneous sub-6 GHz and millimeter wave (mmWave) radio transmission scenarios. In some transmission scenarios, the device state information may be applied in real time to account for a lower mmWave RF exposure contribution to the total RF exposure, thereby providing for potentially increased transmission power from the sub-6 GHz radio.
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公开(公告)号：US20220070796A1
公开(公告)日：2022-03-03
申请号：US17412143
申请日：2021-08-25
发明人： Jagadish NADAKUDUTI , Lin LU , Paul GUCKIAN , Troy CURTISS , Akhil DEODHAR
IPC分类号： H04W52/38 , H04B1/3827 , H04W52/22
摘要： Certain aspects of the present disclosure provide techniques for operating a wireless communication device pursuant to radio frequency (RF) exposure with antenna grouping. An example method of wireless communication by a user equipment generally includes accessing a stored backoff factor associated with an antenna group among a plurality of antenna groups. The method also includes transmitting, from at least one transmit antenna in the antenna group, a signal at a transmission power level based on the backoff factor in compliance with an RF exposure requirement.
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公开(公告)号：US20230120500A1
公开(公告)日：2023-04-20
申请号：US18046247
申请日：2022-10-13
发明人： Yahia RAMADAN , Farhad MESHKATI , Raghu Narayan CHALLA , Jagadish NADAKUDUTI , Lin LU , Roberto RIMINI
摘要： Techniques and apparatus for determining a transmit power limit based on sensor spatial coverage. A method that may be performed by a wireless communication device includes selecting a beam for transmission of a signal, determining a transmit power limit based at least in part on an overlap between the selected beam and a coverage zone of a sensor, and transmitting the signal via the beam at a transmit power based at least in part on the determined transmit power limit.
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公开(公告)号：US20220159582A1
公开(公告)日：2022-05-19
申请号：US17454614
申请日：2021-11-11
发明人： Lin LU , Jagadish NADAKUDUTI , Paul GUCKIAN , Reza SHAHIDI
摘要： Certain aspects of the present disclosure provide techniques and apparatus for determining a transmit power based on a pattern and/or future conditions for a transmission while maintaining radio frequency (RF) exposure compliance. An example method generally includes obtaining a pattern associated with one or more first transmissions, determining a transmit power for one or more second transmissions based at least in part on the pattern and an RF exposure limit, and transmitting the one or more second transmissions at the determined transmit power.
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公开(公告)号：US20220086771A1
公开(公告)日：2022-03-17
申请号：US17470534
申请日：2021-09-09
发明人： Lin LU , Jagadish NADAKUDUTI , Akhil DEODHAR , Troy CURTISS , Paul GUCKIAN
IPC分类号： H04W52/28 , H04W52/30 , H04B1/3827
摘要： 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.
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公开(公告)号：US20220021409A1
公开(公告)日：2022-01-20
申请号：US17376067
申请日：2021-07-14
发明人： Jagadish NADAKUDUTI , Lin LU , Paul GUCKIAN
IPC分类号： H04B1/3827 , H04W52/38 , H04B17/10
摘要： According to certain aspects a wireless device includes transmitters, and a processor coupled to the transmitters. The processor is configured to determine a radio frequency (RF) exposure value at a peak location based on transmission power levels for the transmitters, determine a contribution of each one of the transmitters to the RF exposure value at the peak location, and reduce the transmission power level for each one of one or more of the transmitters based on the contributions of the transmitters to the RF exposure value at the peak location.
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公开(公告)号：US20220295422A1
公开(公告)日：2022-09-15
申请号：US17652027
申请日：2022-02-22
发明人： Shanshan WANG , Reza SHAHIDI , Francis Ming-Meng NGAI , Akhil DEODHAR , Troy CURTISS , Bhupesh Manoharlal UMATT , Lan LAN , Qingxin CHEN , Leena ZACHARIAS , Cheol Hee PARK , Farhad MESHKATI , Dinesh Kumar DEVINENI , Tienyow LIU , Tianpei CHEN , Jagadish NADAKUDUTI , Lin LU
摘要： Various aspects of the present disclosure generally relate to wireless communication. A user equipment (UE) may configure a first initial set of maximum transmit powers for a first subscriber module. The UE may configure a second initial set of maximum transmit powers for a second subscriber module. The UE may configure a first maximum transmit power associated with a first connection for the first subscriber module. The UE may configure, independently of the configuration of the first maximum transmit power, a second maximum transmit power associated with the second connection. The UE may transmit based at least in part on at least one of the first maximum transmit power or the second maximum transmit power. Numerous other aspects are described.
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公开(公告)号：US20220159581A1
公开(公告)日：2022-05-19
申请号：US17454611
申请日：2021-11-11
发明人： Lin LU , Jagadish NADAKUDUTI , Paul GUCKIAN , Reza SHAHIDI
IPC分类号： H04W52/22
摘要： Certain aspects of the present disclosure provide techniques and apparatus for determining a transmit power based on a pattern and/or future conditions for a transmission while maintaining radio frequency (RF) exposure compliance. An example method generally includes obtaining a pattern associated with one or more first transmissions, determining a transmit power for one or more second transmissions based at least in part on the pattern and an RF exposure limit, and transmitting the one or more second transmissions at the determined transmit power.
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公开(公告)号：US20220070795A1
公开(公告)日：2022-03-03
申请号：US17412111
申请日：2021-08-25
发明人： Jagadish NADAKUDUTI , Lin LU , Paul GUCKIAN , Troy CURTISS , Akhil DEODHAR
IPC分类号： H04W52/38 , H04B1/3827 , H04W52/36
摘要： Certain aspects of the present disclosure provide techniques for radio frequency (RF) exposure with antenna grouping. An example method for grouping antennas for RF exposure compliance by a processing system generally includes determining RF exposure distributions per transmit antenna configuration for a plurality of transmit antennas and assigning the plurality of transmit antennas to a plurality of antenna groups based on the RF exposure distributions.
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