IN2014CN03577A - - Google Patents

Info

Publication number
IN2014CN03577A
IN2014CN03577A IN3577CHN2014A IN2014CN03577A IN 2014CN03577 A IN2014CN03577 A IN 2014CN03577A IN 3577CHN2014 A IN3577CHN2014 A IN 3577CHN2014A IN 2014CN03577 A IN2014CN03577 A IN 2014CN03577A
Authority
IN
India
Prior art keywords
power
transmit power
output transmit
output
loopback
Prior art date
Application number
Other languages
English (en)
Inventor
Meelan Lee
Wilson Fok
David K Su
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 IN2014CN03577A publication Critical patent/IN2014CN03577A/en

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]
    • 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]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/14—Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/19—Self-testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H04B17/22—Monitoring; Testing of receivers for calibration; for correcting measurements for calibration of the receiver components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IN3577CHN2014 2011-11-15 2012-11-15 IN2014CN03577A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161560101P 2011-11-15 2011-11-15
US13/677,265 US8699972B2 (en) 2011-11-15 2012-11-14 Transmit power calibration in a communication system
PCT/US2012/065309 WO2013074808A1 (en) 2011-11-15 2012-11-15 Transmit power calibration in a communication system

Publications (1)

Publication Number Publication Date
IN2014CN03577A true IN2014CN03577A (de) 2015-10-09

Family

ID=48281134

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3577CHN2014 IN2014CN03577A (de) 2011-11-15 2012-11-15

Country Status (7)

Country Link
US (1) US8699972B2 (de)
EP (1) EP2781042B1 (de)
JP (1) JP5805885B2 (de)
KR (1) KR101564280B1 (de)
CN (1) CN103931121B (de)
IN (1) IN2014CN03577A (de)
WO (1) WO2013074808A1 (de)

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CN104301048B (zh) * 2014-09-12 2016-08-24 深圳市极致汇仪科技有限公司 一种发射/接收设备功率校准方法
JP6259742B2 (ja) * 2014-09-17 2018-01-10 アンリツ株式会社 試験装置及びその校正方法
CN104301047B (zh) * 2014-10-22 2017-06-16 中国电子科技集团公司第四十一研究所 一种多模多频多通道系统的功率自校准装置及方法
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KR102304306B1 (ko) * 2015-08-12 2021-09-23 삼성전자주식회사 Rf 신호 송신을 위한 전자 장치의 동작 방법 및 그 전자 장치
US10234542B2 (en) * 2015-09-30 2019-03-19 Texas Instruments Incorporated Measurement of transceiver performance parameters in a radar system
US9813169B2 (en) * 2015-11-19 2017-11-07 Texas Instruments Incorporated Precision measurement of transmit power using loopback calibration in an RF transceiver
US9867144B2 (en) 2016-02-03 2018-01-09 Qualcomm Incorporated Calibrating transmit error vector magnitude using over-the-air loopback
JP2017219353A (ja) * 2016-06-03 2017-12-14 パナソニックＩｐマネジメント株式会社 レーダ装置および送信電力制御方法
CN106230520B (zh) * 2016-07-28 2019-05-14 宇龙计算机通信科技(深圳)有限公司 一种发射功率切换点的优化方法及装置
US10051564B2 (en) * 2016-11-22 2018-08-14 Google Llc Transmitter signal time and frequency division duplexing
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KR102573878B1 (ko) * 2017-01-17 2023-09-01 삼성전자주식회사 무선 통신 시스템에서 신호를 처리하는 장치 및 방법
US10447336B2 (en) * 2017-03-10 2019-10-15 Skyworks Solutions, Inc. Transmit loopback path architecture
US10038508B1 (en) * 2017-10-17 2018-07-31 Nxp B.V. Wireless communication unit diagnostics
US10135550B1 (en) * 2017-11-07 2018-11-20 Peraso Technologies Inc. Wireless transmitter calibration
KR102465833B1 (ko) 2017-11-28 2022-11-11 삼성전자주식회사 무선 통신 시스템에서 전력 설정 방법 및 이를 위한 장치
WO2019198474A1 (ja) * 2018-04-13 2019-10-17 株式会社村田製作所 無線通信装置及び自己測定方法
KR102612360B1 (ko) * 2018-12-04 2023-12-12 삼성전자 주식회사 안테나를 통해 송신하고 수신된 신호에 기반하여 통신 회로의 성능을 확인하는 방법
US11304148B2 (en) * 2019-09-27 2022-04-12 Cypress Semiconductor Corporation Methods for setting transmit power in wireless devices
US11140633B2 (en) * 2020-02-10 2021-10-05 Samsung Electronics Co., Ltd. Method and apparatus for loopback gain step calibration on RF chain with phase shifter
TWI763068B (zh) * 2020-10-05 2022-05-01 瑞昱半導體股份有限公司 無線收發器的校正方法及校正電路
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CN116155311B (zh) * 2021-11-19 2025-01-21 瑞昱半导体股份有限公司 无线收发器的校正电路和校正方法
CN116367293B (zh) * 2021-12-27 2026-02-10 成都鼎桥通信技术有限公司 车载终端的通信方法及设备
JP7171952B1 (ja) 2022-02-16 2022-11-15 株式会社フジクラ 無線通信モジュールの出力調整方法、無線通信モジュールの製造方法および無線通信モジュールの出力調整装置

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Also Published As

Publication number Publication date
EP2781042A1 (de) 2014-09-24
KR20140093995A (ko) 2014-07-29
US8699972B2 (en) 2014-04-15
WO2013074808A1 (en) 2013-05-23
KR101564280B1 (ko) 2015-10-30
JP5805885B2 (ja) 2015-11-10
CN103931121A (zh) 2014-07-16
EP2781042B1 (de) 2016-02-10
US20130122956A1 (en) 2013-05-16
JP2015502708A (ja) 2015-01-22
CN103931121B (zh) 2016-01-20

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