CN116097784A - 每个天线组的时间平均射频(rf)暴露 - Google Patents

每个天线组的时间平均射频(rf)暴露 Download PDF

Info

Publication number
CN116097784A
CN116097784A CN202180055919.9A CN202180055919A CN116097784A CN 116097784 A CN116097784 A CN 116097784A CN 202180055919 A CN202180055919 A CN 202180055919A CN 116097784 A CN116097784 A CN 116097784A
Authority
CN
China
Prior art keywords
antenna
exposure
transmit
antennas
group
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.)
Pending
Application number
CN202180055919.9A
Other languages
English (en)
Chinese (zh)
Inventor
J·纳达库杜蒂
鲁林
P·古科基安
T·库蒂斯
A·德哈尔
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 CN116097784A publication Critical patent/CN116097784A/zh
Pending legal-status Critical Current

Links

Images

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
    • 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]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/225—Calculation of statistics, e.g. average or variance
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
    • 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
    • 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
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
CN202180055919.9A 2020-08-26 2021-08-26 每个天线组的时间平均射频(rf)暴露 Pending CN116097784A (zh)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US202063070268P 2020-08-26 2020-08-26
US63/070,268 2020-08-26
US202063077460P 2020-09-11 2020-09-11
US63/077,460 2020-09-11
US202163170414P 2021-04-02 2021-04-02
US63/170,414 2021-04-02
US202163173086P 2021-04-09 2021-04-09
US63/173,086 2021-04-09
US17/412,143 2021-08-25
US17/412,143 US12177797B2 (en) 2020-08-26 2021-08-25 Time-averaged radio frequency (RF) exposure per antenna group
PCT/US2021/047750 WO2022047028A1 (en) 2020-08-26 2021-08-26 Time-averaged radio frequency (rf) exposure per antenna group

Publications (1)

Publication Number Publication Date
CN116097784A true CN116097784A (zh) 2023-05-09

Family

ID=77822052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180055919.9A Pending CN116097784A (zh) 2020-08-26 2021-08-26 每个天线组的时间平均射频(rf)暴露

Country Status (8)

Country Link
US (2) US12177797B2 (https=)
EP (1) EP4205457A1 (https=)
JP (1) JP2023539142A (https=)
KR (1) KR20230057353A (https=)
CN (1) CN116097784A (https=)
BR (1) BR112023002760A2 (https=)
TW (1) TWI895491B (https=)
WO (1) WO2022047028A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11917559B2 (en) * 2020-08-26 2024-02-27 Qualcomm Incorporated Time-averaged radio frequency (RF) exposure per antenna group
US20240244539A1 (en) * 2021-05-11 2024-07-18 Nokia Technologies Oy Transmission power management
KR20250016118A (ko) * 2022-06-01 2025-02-03 퀄컴 인코포레이티드 상이한 라디오들 중에서 송신 에너지 할당
US20230397123A1 (en) * 2022-06-01 2023-12-07 Qualcomm Incorporated Transmit energy allocation among different radios
US12407371B2 (en) * 2022-08-30 2025-09-02 Mediatek Inc. Dynamic tuning method for time-average SAR and user equipment thereof
US20240114469A1 (en) * 2022-09-23 2024-04-04 Qualcomm Incorporated Radio frequency exposure evaluation per surface
US12418093B2 (en) 2022-11-04 2025-09-16 Samsung Electronics Co., Ltd. Electronic device and operating method of electronic device
WO2024186698A1 (en) * 2023-03-03 2024-09-12 Qualcomm Incorporated Linear computation of radio frequency exposure for coherent transmissions
US20240298274A1 (en) * 2023-03-03 2024-09-05 Qualcomm Incorporated Linear computation of radio frequency exposure for coherent transmissions
WO2026059022A1 (ko) * 2024-09-13 2026-03-19 삼성전자 주식회사 무선 신호의 백 오프 동작을 수행하는 전자 장치 및 그 동작 방법과 기록 매체

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292442A (zh) * 2005-08-22 2008-10-22 高通股份有限公司 虚拟天线选择方法和装置
CN105359420A (zh) * 2013-06-14 2016-02-24 微软技术许可有限责任公司 针对比吸收率（sar）遵从性的射频（rf）功率回退优化
CN109997318A (zh) * 2016-09-30 2019-07-09 瑞典爱立信有限公司 用于通信系统中的上行链路预编码的系统和方法
US20200107274A1 (en) * 2018-09-28 2020-04-02 Apple Inc. Granular adjustment of antenna power in multi-radio systems

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8908496B2 (en) * 2003-09-09 2014-12-09 Qualcomm Incorporated Incremental redundancy transmission in a MIMO communication system
US10187133B2 (en) * 2004-04-02 2019-01-22 Rearden, Llc System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network
US8542763B2 (en) * 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US8224271B2 (en) * 2007-12-21 2012-07-17 Telefonaktiebolaget L M Ericsson (Publ) Electronic device with an improved antenna arrangement
WO2011137461A2 (en) 2010-04-30 2011-11-03 Firestorm Emergency Services, Ltd. Location detection methods and systems
US8538351B2 (en) * 2010-07-20 2013-09-17 Blackberry Limited Radiation power level control system and method for a wireless communication device based on a tracked radiation history
WO2012067563A1 (en) 2010-11-16 2012-05-24 Telefonaktiebolaget L M Ericsson (Publ) Dynamic sar emission control to minimize rf exposure
TWM441274U (en) 2011-01-07 2012-11-11 Interdigital Patent Holdings Apparatus and systems for handling additional power backoff
JP2012175223A (ja) * 2011-02-18 2012-09-10 Nec Casio Mobile Communications Ltd 通信装置、信号処理器、制御方法、及びプログラム
US9497058B2 (en) * 2012-11-26 2016-11-15 Aviacomm Inc. High efficiency adaptive RF transmitter
US9237531B2 (en) 2013-03-13 2016-01-12 Qualcomm Incorporated Real-time exposure assessment
US9635560B2 (en) * 2013-08-05 2017-04-25 Qualcomm Incorporated Verification of authorized shared access operation
US9781683B2 (en) 2014-12-16 2017-10-03 Qualcomm Incorporated Determining transmit power limits using a combined specific absorption measurement for multiple transmitters
US9622187B2 (en) 2015-08-26 2017-04-11 Qualcomm Incorporated Real-time specific absorption rate implementation in wireless devices
WO2017039736A1 (en) * 2015-08-31 2017-03-09 Intel IP Corporation Dual connectivity for reliability
WO2017093784A1 (en) * 2015-12-01 2017-06-08 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for addressing passive intermodulation in wireless communication
WO2017155433A1 (en) 2016-03-08 2017-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Emf-limit compliant transmission with multiple antenna elements
WO2017196612A1 (en) 2016-05-11 2017-11-16 Idac Holdings, Inc. Systems and methods for beamformed uplink transmission
WO2018191036A1 (en) * 2017-04-14 2018-10-18 Intel Corporation Enhanced power management for wireless communications
US10148304B2 (en) 2017-04-28 2018-12-04 Dell Products L.P. Broadband intelligent antenna system (BIAS)
US10658762B2 (en) * 2017-07-14 2020-05-19 Apple Inc. Multi-band millimeter wave antenna arrays
US11324014B2 (en) 2017-12-22 2022-05-03 Qualcomm Incorporated Exposure detection in millimeter wave systems
US20190222326A1 (en) 2018-01-15 2019-07-18 Qualcomm Incorporated Scheduling for power amplifier characterization
US10966188B2 (en) 2018-06-07 2021-03-30 Apple Inc. Full bandwidth uplink transmission for unlicensed narrowband internet of things
US10652833B2 (en) * 2018-07-05 2020-05-12 Qualcomm Incorporated Evaluating radio frequency (RF) exposure in real time
US11585889B2 (en) 2018-07-25 2023-02-21 Qualcomm Incorporated Methods for radar coexistence
US10447413B1 (en) 2018-11-13 2019-10-15 Qualcomm Incorporated Evaluating radio frequency exposure
KR102706848B1 (ko) * 2018-12-20 2024-09-19 삼성전자주식회사 배열 안테나를 구비한 전자 장치 및 안테나 집합체의 전력 백오프 방법
US11546025B2 (en) 2019-01-09 2023-01-03 Qualcomm Incorporated Precoders for multi-panel uplink transmission
US11194032B2 (en) 2019-03-22 2021-12-07 Apple Inc. Systems and methods for object detection by radio frequency systems
US11374538B2 (en) * 2019-04-09 2022-06-28 Skyworks Solutions, Inc. Apparatus and methods for envelope tracking
US10673136B1 (en) * 2019-04-10 2020-06-02 Dell Products, Lp Control system and method for training a reconfigurable antenna
KR20210015334A (ko) 2019-08-01 2021-02-10 삼성전자주식회사 무선 통신 시스템에서 사이드링크 자원결정 및 사이드링크 신호 송수신 방법 및 장치
CN112310605B (zh) 2019-09-18 2021-11-19 华为技术有限公司 多天线系统及电子设备
US10965335B1 (en) * 2019-09-27 2021-03-30 Apple Inc. Wireless device performance optimization using dynamic power control
US11637919B2 (en) * 2019-12-03 2023-04-25 Apple Inc. Handheld electronic device
US11558758B2 (en) 2019-12-20 2023-01-17 Apple Inc. Smart mechanism to manage thermal impact in 5G NR
US10985617B1 (en) 2019-12-31 2021-04-20 Energous Corporation System for wirelessly transmitting energy at a near-field distance without using beam-forming control
US11784861B2 (en) 2020-02-13 2023-10-10 Intel Corporation Channel access related enhancements to New Radio Unlicensed (NR-U)
US12278790B2 (en) 2020-07-10 2025-04-15 Qualcomm Incorporated Mobility reporting for full-duplex communication or simultaneous half-duplex communication with multiple transmit receive points
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
US11785501B2 (en) 2020-08-11 2023-10-10 Qualcomm Incorporated Techniques for timer adjustment for packet loss
US11917559B2 (en) 2020-08-26 2024-02-27 Qualcomm Incorporated Time-averaged radio frequency (RF) exposure per antenna group
US12323961B2 (en) 2020-10-08 2025-06-03 Qualcomm Incorporated Allocation of transmit power in compliance with RF exposure requirements
US20220046677A1 (en) 2020-10-22 2022-02-10 Intel Corporation Hybrid automatic repeat request (harq) enhancements for ultra-reliable low latency communication (urllc)
US12426114B2 (en) 2021-01-11 2025-09-23 Qualcomm Incorporated Techniques for configuring a transmission power parameter after tuning back to a subscription in a dual connectivity mode
US20230139016A1 (en) 2021-11-02 2023-05-04 Qualcomm Incorporated Time-averaged radio frequency (rf) exposure per exposure scenario

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292442A (zh) * 2005-08-22 2008-10-22 高通股份有限公司 虚拟天线选择方法和装置
CN105359420A (zh) * 2013-06-14 2016-02-24 微软技术许可有限责任公司 针对比吸收率（sar）遵从性的射频（rf）功率回退优化
CN109997318A (zh) * 2016-09-30 2019-07-09 瑞典爱立信有限公司 用于通信系统中的上行链路预编码的系统和方法
US20200107274A1 (en) * 2018-09-28 2020-04-02 Apple Inc. Granular adjustment of antenna power in multi-radio systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ERICSSON: ""R1-1907476 Performance of P-MPR-aware multi-panel scheduling"", 3GPP TSG-RAN WG1 MEETING #97, 4 May 2019 (2019-05-04), pages 1 - 2 *

Also Published As

Publication number Publication date
US20220070796A1 (en) 2022-03-03
BR112023002760A2 (pt) 2023-03-14
TW202215802A (zh) 2022-04-16
TWI895491B (zh) 2025-09-01
KR20230057353A (ko) 2023-04-28
WO2022047028A1 (en) 2022-03-03
EP4205457A1 (en) 2023-07-05
US20250106788A1 (en) 2025-03-27
JP2023539142A (ja) 2023-09-13
US12177797B2 (en) 2024-12-24

Similar Documents

Publication Publication Date Title
TWI908860B (zh) 每個天線組的時間平均射頻（ｒｆ）暴露
TWI895491B (zh) 每個天線群組的時間平均射頻（ｒｆ）暴露
US20230139016A1 (en) Time-averaged radio frequency (rf) exposure per exposure scenario
CN116472753A (zh) 符合rf暴露要求的传输功率的分配
JP2022533647A (ja) 最大許容曝露量を管理するための信号タイプに基づく電力制限
US12574063B2 (en) Time-averaged radio frequency (RF) exposure across tissues and/or body locations
CN118140538A (zh) 在同时无线电传输场景中利用设备状态信息实现射频（rf）暴露合规性
TW202408282A (zh) 跨組織和／或身體位置的時間平均射頻暴露
TWI920147B (zh) 符合ｒｆ暴露要求的傳輸功率分配
US20250300688A1 (en) Spatial separation of antennas with radio frequency exposure compliance
WO2025199354A1 (en) Spatial separation of antennas with radio frequency exposure compliance
JP2026501142A (ja) 圧縮無線周波数曝露マップ

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination