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CN111034162A - 一种降低电磁辐射比吸收率的方法及设备 - Google Patents

一种降低电磁辐射比吸收率的方法及设备 Download PDF

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Publication number
CN111034162A
CN111034162A CN201880054014.8A CN201880054014A CN111034162A CN 111034162 A CN111034162 A CN 111034162A CN 201880054014 A CN201880054014 A CN 201880054014A CN 111034162 A CN111034162 A CN 111034162A
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CN
China
Prior art keywords
terminal
sar
transmitting power
transmission power
power
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CN201880054014.8A
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English (en)
Inventor
侯猛
周海
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN111034162A publication Critical patent/CN111034162A/zh
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    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种降低电磁辐射比吸收率的方法及设备，用以解决现有降低SAR的方法灵活性较差，且违背移动终端小型化设计的问题，该方法包括：终端在开机时刻起的第一时长后的第二时长内的不同时间点，分别采集该终端的发射功率，得到至少两个发射功率，计算该至少两个发射功率的平均发射功率，并根据该平均发射功率，确定与该平均发射功率对应的SAR，终端若确定该SAR大于预设阈值，则降低终端在第二时长之后的发射功率。这样，可实现在使用终端的过程中，动态的调整SAR的值，灵活性较高，且，无需在生产终端时在天线与人体之间增加屏蔽器件，故可支持终端小型化设计。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201880054014.8A 2018-04-20 2018-04-20 一种降低电磁辐射比吸收率的方法及设备 Pending CN111034162A (zh)

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PCT/CN2018/083961 WO2019200613A1 (zh) 2018-04-20 2018-04-20 一种降低电磁辐射比吸收率的方法及设备

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CN111034162A true CN111034162A (zh) 2020-04-17

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US (1) US11115073B2 (zh)
EP (1) EP3758346B1 (zh)
CN (1) CN111034162A (zh)
WO (1) WO2019200613A1 (zh)

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CN113765605A (zh) * 2021-07-23 2021-12-07 上海闻泰信息技术有限公司 通信设备的降sar方法、装置、电子设备和存储介质
CN114710827A (zh) * 2022-03-30 2022-07-05 Oppo广东移动通信有限公司 功率调整方法、装置、终端、存储介质和计算机程序产品
WO2023024820A1 (zh) * 2021-08-25 2023-03-02 Oppo广东移动通信有限公司 调整电磁波比吸收率的方法及装置、介质和电子设备
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CN119399911A (zh) * 2024-10-24 2025-02-07 上海卫星工程研究所 基于综合任务反解的星载雷达厂房测试开机报警系统

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WO2022255664A1 (ko) * 2021-06-03 2022-12-08 삼성전자 주식회사 랜덤 억세스 절차를 수행하는 전자 장치 및 그 동작 방법
US12273828B2 (en) * 2021-06-03 2025-04-08 Samsung Electronics Co., Ltd. Electronic device performing random access procedure and method for operating thereof
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CN114812491B (zh) * 2022-01-19 2023-10-20 国网甘肃省电力公司经济技术研究院 基于长时间序列分析的输电线路地表形变预警方法及装置
CN114513840A (zh) * 2022-02-24 2022-05-17 Oppo广东移动通信有限公司 比吸收率的调节方法、天线装置、终端设备及存储介质
CN114828186B (zh) * 2022-04-20 2024-05-24 维沃移动通信有限公司 功率调整方法及电子设备
CN114828190B (zh) * 2022-04-20 2023-11-28 Oppo广东移动通信有限公司 发射功率的控制方法、装置、电子设备以及存储介质
CN114828188B (zh) * 2022-04-22 2024-09-06 Oppo广东移动通信有限公司 控制方法及装置、电子设备及存储介质
CN114978225B (zh) * 2022-05-09 2023-12-26 Oppo广东移动通信有限公司 控制方法、装置、终端、存储介质和计算机程序产品
CN116169460A (zh) * 2023-03-06 2023-05-26 华勤技术股份有限公司 降低sar值的天线系统、方法、终端及存储介质

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CN113765605A (zh) * 2021-07-23 2021-12-07 上海闻泰信息技术有限公司 通信设备的降sar方法、装置、电子设备和存储介质
CN113708809A (zh) * 2021-08-13 2021-11-26 联想(北京)有限公司 一种功率调节方法和设备，及计算机存储介质
CN113708809B (zh) * 2021-08-13 2023-08-18 联想(北京)有限公司 一种功率调节方法和设备，及计算机存储介质
WO2023024820A1 (zh) * 2021-08-25 2023-03-02 Oppo广东移动通信有限公司 调整电磁波比吸收率的方法及装置、介质和电子设备
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CN119399911A (zh) * 2024-10-24 2025-02-07 上海卫星工程研究所 基于综合任务反解的星载雷达厂房测试开机报警系统
CN119399911B (zh) * 2024-10-24 2025-10-28 上海卫星工程研究所 基于综合任务反解的星载雷达厂房测试开机报警系统

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EP3758346B1 (en) 2025-03-26
US20210058104A1 (en) 2021-02-25
US11115073B2 (en) 2021-09-07
EP3758346A1 (en) 2020-12-30
EP3758346A4 (en) 2021-03-17

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Application publication date: 20200417