CN115769641B - 多传输器场景中基于射频暴露的空间分布的传输功率降低 - Google Patents

多传输器场景中基于射频暴露的空间分布的传输功率降低

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Publication number
CN115769641B
CN115769641B CN202180048187.0A CN202180048187A CN115769641B CN 115769641 B CN115769641 B CN 115769641B CN 202180048187 A CN202180048187 A CN 202180048187A CN 115769641 B CN115769641 B CN 115769641B
Authority
CN
China
Prior art keywords
transmitters
power level
exposure
transmission power
transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202180048187.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN115769641A (zh
Inventor
J·纳达库杜蒂
鲁林
P·古科基安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN115769641A publication Critical patent/CN115769641A/zh
Application granted granted Critical
Publication of CN115769641B publication Critical patent/CN115769641B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
CN202180048187.0A 2020-07-15 2021-07-15 多传输器场景中基于射频暴露的空间分布的传输功率降低 Active CN115769641B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063052371P 2020-07-15 2020-07-15
US63/052,371 2020-07-15
US17/376,067 US11664841B2 (en) 2020-07-15 2021-07-14 Reductions in transmit power based on spatial distributions of radio frequency exposure in multi-transmitter scenarios
US17/376,067 2021-07-14
PCT/US2021/041901 WO2022016019A1 (en) 2020-07-15 2021-07-15 Reductions in transmit power based on spatial distributions of radio frequency exposure in multi-transmitter scenarios

Publications (2)

Publication Number Publication Date
CN115769641A CN115769641A (zh) 2023-03-07
CN115769641B true CN115769641B (zh) 2026-03-27

Family

ID=79292945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180048187.0A Active CN115769641B (zh) 2020-07-15 2021-07-15 多传输器场景中基于射频暴露的空间分布的传输功率降低

Country Status (9)

Country Link
US (2) US11664841B2 (enExample)
EP (1) EP4183183A1 (enExample)
JP (1) JP7744406B2 (enExample)
KR (1) KR20230037544A (enExample)
CN (1) CN115769641B (enExample)
BR (1) BR112023000066A2 (enExample)
PH (1) PH12022553279A1 (enExample)
TW (1) TWI899287B (enExample)
WO (1) WO2022016019A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11664841B2 (en) * 2020-07-15 2023-05-30 Qualcomm Incorporated Reductions in transmit power based on spatial distributions of radio frequency exposure in multi-transmitter scenarios
US12177797B2 (en) 2020-08-26 2024-12-24 Qualcomm Incorporated Time-averaged radio frequency (RF) exposure per antenna group
US11917559B2 (en) * 2020-08-26 2024-02-27 Qualcomm Incorporated Time-averaged radio frequency (RF) exposure per antenna group
US20230180151A1 (en) * 2021-12-05 2023-06-08 Qualcomm Incorporated Energy allocation among multiple radios and/or across different time windows for radio frequency (rf) exposure compliance
US12471040B2 (en) 2021-12-05 2025-11-11 Qualcomm Incorporated Energy allocation among multiple radios for radio frequency (RF) exposure compliance
US20250097858A1 (en) * 2023-09-20 2025-03-20 Qualcomm Incorporated Radio frequency exposure limit compliance considering total energy specification

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120021707A1 (en) 2010-07-26 2012-01-26 Qualcomm Incorporated Apparatus and method for adjustment of transmitter power in a system
WO2012067563A1 (en) * 2010-11-16 2012-05-24 Telefonaktiebolaget L M Ericsson (Publ) Dynamic sar emission control to minimize rf exposure
JP2013143574A (ja) 2012-01-06 2013-07-22 Fujitsu Mobile Communications Ltd 無線通信端末装置及び無線通信端末装置制御方法
US9144028B2 (en) * 2012-12-31 2015-09-22 Motorola Solutions, Inc. Method and apparatus for uplink power control in a wireless communication system
US9026125B2 (en) 2013-01-16 2015-05-05 Qualcomm Incorporated System and methods for mitigating receiver desense caused by simultaneous transmission on multi-SIM wireless communications devices
US10129834B2 (en) * 2017-03-31 2018-11-13 Intel Corporation Transmission power control methods and devices
US11012945B2 (en) * 2017-09-29 2021-05-18 Apple Inc. Devices and methods for power allocation
EP3567940B1 (en) * 2018-05-11 2022-01-26 Apple Inc. Techniques for controlling specific absorption rate of radio energy transmission
US10652833B2 (en) * 2018-07-05 2020-05-12 Qualcomm Incorporated Evaluating radio frequency (RF) exposure in real time
US10447413B1 (en) * 2018-11-13 2019-10-15 Qualcomm Incorporated Evaluating radio frequency exposure
CN109861712B (zh) * 2019-02-28 2021-08-13 Oppo广东移动通信有限公司 一种降低电磁吸收比值sar的方法、终端及计算机存储介质
US11664841B2 (en) * 2020-07-15 2023-05-30 Qualcomm Incorporated Reductions in transmit power based on spatial distributions of radio frequency exposure in multi-transmitter scenarios

Also Published As

Publication number Publication date
US11664841B2 (en) 2023-05-30
CN115769641A (zh) 2023-03-07
US12063060B2 (en) 2024-08-13
WO2022016019A1 (en) 2022-01-20
EP4183183A1 (en) 2023-05-24
BR112023000066A2 (pt) 2023-01-31
TW202209830A (zh) 2022-03-01
KR20230037544A (ko) 2023-03-16
TWI899287B (zh) 2025-10-01
US20230291428A1 (en) 2023-09-14
JP2023534425A (ja) 2023-08-09
US20220021409A1 (en) 2022-01-20
JP7744406B2 (ja) 2025-09-25
PH12022553279A1 (en) 2024-02-19

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