CN107147403B - 具有放大器相位补偿的分集接收机前端*** - Google Patents

具有放大器相位补偿的分集接收机前端*** Download PDF

Info

Publication number
CN107147403B
CN107147403B CN201710337905.1A CN201710337905A CN107147403B CN 107147403 B CN107147403 B CN 107147403B CN 201710337905 A CN201710337905 A CN 201710337905A CN 107147403 B CN107147403 B CN 107147403B
Authority
CN
China
Prior art keywords
signal
phase
amplifier
frequency band
path
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
CN201710337905.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN107147403A (zh
Inventor
S·R·M·沃洛泽西亚克
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.)
Conexant Systems LLC
Original Assignee
Conexant Systems LLC
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
Priority claimed from US14/727,739 external-priority patent/US9893752B2/en
Priority claimed from US14/734,775 external-priority patent/US9571037B2/en
Application filed by Conexant Systems LLC filed Critical Conexant Systems LLC
Publication of CN107147403A publication Critical patent/CN107147403A/zh
Application granted granted Critical
Publication of CN107147403B publication Critical patent/CN107147403B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H04B1/0053—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 with common antenna for more than one band
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • 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
    • H04B1/0053—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 with common antenna for more than one band
    • H04B1/0057—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 with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • 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
    • H04B1/0064—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 with separate antennas for the more than one band
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7209—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Amplifiers (AREA)
CN201710337905.1A 2014-10-31 2015-10-29 具有放大器相位补偿的分集接收机前端*** Active CN107147403B (zh)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US201462073043P 2014-10-31 2014-10-31
US201462073040P 2014-10-31 2014-10-31
US201462073039P 2014-10-31 2014-10-31
US62/073,040 2014-10-31
US62/073,039 2014-10-31
US62/073,043 2014-10-31
US14/727,739 US9893752B2 (en) 2014-10-31 2015-06-01 Diversity receiver front end system with variable-gain amplifiers
US14/727,739 2015-06-01
US14/734,775 US9571037B2 (en) 2014-10-31 2015-06-09 Diversity receiver front end system with impedance matching components
US14/734,759 2015-06-09
US14/734,775 2015-06-09
US14/734,759 US9385765B2 (en) 2014-10-31 2015-06-09 Diversity receiver front end system with phase-shifting components
CN201510717254.XA CN105577206B (zh) 2014-10-31 2015-10-29 具有相移部件的分集接收机前端***

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510717254.XA Division CN105577206B (zh) 2014-10-31 2015-10-29 具有相移部件的分集接收机前端***

Publications (2)

Publication Number Publication Date
CN107147403A CN107147403A (zh) 2017-09-08
CN107147403B true CN107147403B (zh) 2019-06-21

Family

ID=55886963

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201510717254.XA Active CN105577206B (zh) 2014-10-31 2015-10-29 具有相移部件的分集接收机前端***
CN201710337905.1A Active CN107147403B (zh) 2014-10-31 2015-10-29 具有放大器相位补偿的分集接收机前端***
CN201510717988.8A Active CN105577257B (zh) 2014-10-31 2015-10-29 具有阻抗匹配部件的分集接收机前端***

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201510717254.XA Active CN105577206B (zh) 2014-10-31 2015-10-29 具有相移部件的分集接收机前端***

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510717988.8A Active CN105577257B (zh) 2014-10-31 2015-10-29 具有阻抗匹配部件的分集接收机前端***

Country Status (7)

Country Link
JP (8) JP6029728B2 (ja)
KR (2) KR101710961B1 (ja)
CN (3) CN105577206B (ja)
GB (3) GB2572886B (ja)
HK (2) HK1223203A1 (ja)
SG (4) SG10201508952RA (ja)
TW (3) TWI611673B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102559431B1 (ko) * 2015-06-01 2023-07-26 스카이워크스 솔루션즈, 인코포레이티드 다이버시티 수신기에 관련한 시스템, 디바이스 및 방법
CN111800179B (zh) * 2016-08-08 2022-04-12 华为技术有限公司 一种分集接收机及终端
US10230417B2 (en) 2016-08-31 2019-03-12 Skyworks Solutions, Inc. Multi-input amplifier with degeneration switching block and low loss bypass function
CN106714183B (zh) * 2017-01-20 2020-05-15 安徽大学 一种保护隐私的异质频谱分配方法
WO2018180648A1 (ja) 2017-03-31 2018-10-04 株式会社村田製作所 マルチプレクサ、高周波フロントエンド回路及び通信装置
CN112042116A (zh) * 2018-03-30 2020-12-04 苹果公司 支持多载波操作的低噪声放大器
CN112787700B (zh) * 2018-07-23 2022-12-13 Oppo广东移动通信有限公司 接收模组、天线切换控制方法及相关产品
CN108988903B (zh) 2018-07-23 2020-09-01 Oppo广东移动通信有限公司 射频***及电子设备
CN108988904B (zh) * 2018-07-23 2020-10-30 Oppo广东移动通信有限公司 射频***、天线切换控制方法及相关产品
WO2020020110A1 (en) 2018-07-23 2020-01-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Receiving module, transmitting module, and radio frequency system
JP7441456B2 (ja) 2018-09-11 2024-03-01 ドゥードゥル ラボズ （エスジー） ピーティーイー リミテッド 構成可能なスマート無線モジュール
KR102581317B1 (ko) * 2018-12-24 2023-09-22 삼성전자 주식회사 복수개의 안테나 어레이를 포함하는 전자 장치
KR20220028918A (ko) * 2020-08-31 2022-03-08 삼성전자주식회사 전자 장치 및 전자 장치에서 송신 신호의 경로 설정 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1447534A (zh) * 2002-03-27 2003-10-08 Lg电子株式会社 分集接收装置和方法
CN1758564A (zh) * 2004-10-06 2006-04-12 美国博通公司 接收器内处理射频信号的方法和***
CN102664687A (zh) * 2012-04-19 2012-09-12 哈尔滨工程大学 一种chirp-ofdm***频域分集接收方法

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177427A (en) * 1978-04-03 1979-12-04 General Dynamics Corporation Phase-normalized parallel tuned receiver channel system
JPH0630347A (ja) * 1992-07-09 1994-02-04 Sumitomo Chem Co Ltd 自動車用ｔｖアンテナ装置
JP3690889B2 (ja) * 1996-06-10 2005-08-31 松下電器産業株式会社 受信回路
US7548787B2 (en) * 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
JP2001217624A (ja) * 2000-01-31 2001-08-10 Denso Corp 無線通信装置
KR100757915B1 (ko) * 2000-11-01 2007-09-11 히타치 긴조쿠 가부시키가이샤 고주파 스위치모듈
US6973183B1 (en) * 2001-03-01 2005-12-06 Garcia John D Method and apparatus for dynamically matching impedance
JP2003133982A (ja) * 2001-10-24 2003-05-09 Fujitsu Ten Ltd 複数周波数帯域用アンテナシステム
JP3891096B2 (ja) * 2001-12-28 2007-03-07 株式会社村田製作所 信号受信回路およびそれを備えた通信機
US7158586B2 (en) * 2002-05-03 2007-01-02 Atheros Communications, Inc. Systems and methods to provide wideband magnitude and phase imbalance calibration and compensation in quadrature receivers
CN100385826C (zh) * 2002-06-24 2008-04-30 美国博通公司 采用多路复用接收链处理的降低复杂度的天线***
JP4467233B2 (ja) * 2002-12-24 2010-05-26 株式会社日立製作所 位相調整装置、位相調整方法および高速並列信号用スキュー補正装置
KR20040100056A (ko) * 2003-05-21 2004-12-02 삼성탈레스 주식회사 주파수 도약 방식에 적합한 무선 수신 장치의 초단 증폭기
KR100969139B1 (ko) * 2003-09-01 2010-07-08 엘지이노텍 주식회사 듀얼 밴드 듀플렉서 회로
JP2005311762A (ja) * 2004-04-22 2005-11-04 Matsushita Electric Ind Co Ltd 可変整合回路
US8254306B2 (en) * 2004-10-06 2012-08-28 Broadcom Corporation Method and system for implementing a single weight spatial multiplexing (SM) MIMO system
DE102006039357B4 (de) * 2005-09-12 2018-06-28 Heinz Lindenmeier Antennendiversityanlage zum Funkempfang für Fahrzeuge
US7650173B2 (en) * 2005-10-06 2010-01-19 Flextronics Ap, Llc Combined antenna module with single output
US20070218856A1 (en) * 2006-03-17 2007-09-20 Sami Vilhonen Receiver, transceiver and receiving method
FR2915321B1 (fr) * 2007-04-19 2011-02-25 Composants Electr Soc D Antenne multibande comprenant un support dielectrique, un aerien et un circuit electronique portes par le support.
JP4996406B2 (ja) * 2007-09-25 2012-08-08 株式会社東芝 増幅器、無線送信装置および無線受信装置
WO2009046228A1 (en) * 2007-10-02 2009-04-09 Intelligent Wireless Products, Inc. Multiplexed multi-band signal amplification
US8260347B2 (en) * 2008-05-20 2012-09-04 Intel Mobile Communications GmbH Radio frequency communication devices and methods
US8447255B2 (en) * 2008-10-28 2013-05-21 Sony Ericsson Mobile Communications Ab Variable impedance matching network and method for the same
KR100998170B1 (ko) * 2008-12-19 2010-12-03 한국과학기술원 높은 격리 특성을 갖는 격리기, 및 상기 격리기를 포함하는통신 장치
US8175541B2 (en) * 2009-02-06 2012-05-08 Rfaxis, Inc. Radio frequency transceiver front end circuit
US8314653B1 (en) * 2009-02-18 2012-11-20 Rf Micro Devices, Inc. Using degeneration in an active tunable low-noise radio frequency bandpass filter
WO2011146404A1 (en) * 2010-05-17 2011-11-24 Tyco Electronics Services Gmbh Duplexer with enhanced isolation
JP2012019307A (ja) * 2010-07-07 2012-01-26 Hitachi Consumer Electronics Co Ltd 受信装置および送受信装置
CN101917166B (zh) * 2010-07-28 2012-09-19 锐迪科创微电子（北京）有限公司 可配置射频功率放大器及包含该放大器的射频发射前端模块
CN103155431B (zh) * 2010-08-26 2015-08-19 维斯普瑞公司 可调无线电前端及方法
JP2012085092A (ja) * 2010-10-12 2012-04-26 Panasonic Corp 無線装置
EP2445113B1 (en) * 2010-10-22 2016-08-31 ST-Ericsson SA Reconfigurable wide-band radio receiver with positive feed-back translational loop
GB2485543B (en) * 2010-11-17 2014-03-12 Socowave Technologies Ltd Mimo antenna calibration device,integrated circuit and method for compensating phase mismatch
KR101715403B1 (ko) * 2010-12-31 2017-03-22 엘지이노텍 주식회사 다중모드 무선모뎀
US9002309B2 (en) * 2011-05-27 2015-04-07 Qualcomm Incorporated Tunable multi-band receiver
US9882602B2 (en) * 2011-06-29 2018-01-30 Qualcomm Incorporated Global navigation satellite system receiver with filter bypass mode for improved sensitivity
US20130016633A1 (en) * 2011-07-14 2013-01-17 Lum Nicholas W Wireless Circuitry for Simultaneously Receiving Radio-frequency Transmissions in Different Frequency Bands
DK2552017T3 (en) * 2011-07-26 2018-05-28 Oticon As Method of reducing the minimum operating range of a communication connection
US20130043946A1 (en) * 2011-08-16 2013-02-21 Qualcomm Incorporated Low noise amplifiers with combined outputs
US8975981B2 (en) * 2011-09-13 2015-03-10 Qualcomm Incorporated Impedance matching circuits with multiple configurations
US9054756B2 (en) * 2011-09-19 2015-06-09 Qualcomm Incorporated Adaptive tuning of an impedance matching circuit in a wireless device
US8824976B2 (en) * 2012-04-11 2014-09-02 Qualcomm Incorporated Devices for switching an antenna
JP5597228B2 (ja) * 2012-07-11 2014-10-01 株式会社Ｎｔｔドコモ フロントエンド回路、インピーダンス調整方法
GB2526197B (en) * 2014-04-11 2020-11-18 Skyworks Solutions Inc Circuits and methods related to radio-frequency receivers having carrier aggregation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1447534A (zh) * 2002-03-27 2003-10-08 Lg电子株式会社 分集接收装置和方法
CN1758564A (zh) * 2004-10-06 2006-04-12 美国博通公司 接收器内处理射频信号的方法和***
CN102664687A (zh) * 2012-04-19 2012-09-12 哈尔滨工程大学 一种chirp-ofdm***频域分集接收方法

Also Published As

Publication number Publication date
GB2572882B (en) 2020-01-08
CN105577257A (zh) 2016-05-11
HK1223203A1 (zh) 2017-07-21
HK1223204A1 (zh) 2017-07-21
JP2019092178A (ja) 2019-06-13
GB201909024D0 (en) 2019-08-07
SG10201508954PA (en) 2016-05-30
SG10201508952RA (en) 2016-05-30
CN105577257B (zh) 2019-04-05
GB2572881B (en) 2020-02-12
JP2019165476A (ja) 2019-09-26
GB201909001D0 (en) 2019-08-07
TWI580207B (zh) 2017-04-21
JP6029728B2 (ja) 2016-11-24
SG10201609056PA (en) 2016-12-29
KR101737231B1 (ko) 2017-05-18
GB2572882A (en) 2019-10-16
CN105577206B (zh) 2017-03-29
GB201909000D0 (en) 2019-08-07
JP2016092828A (ja) 2016-05-23
KR101710961B1 (ko) 2017-02-28
JP2016103819A (ja) 2016-06-02
JP6625257B2 (ja) 2019-12-25
JP6950110B2 (ja) 2021-10-13
KR20160051636A (ko) 2016-05-11
KR20160052359A (ko) 2016-05-12
JP6882366B2 (ja) 2021-06-02
JP2021145341A (ja) 2021-09-24
JP6470373B2 (ja) 2019-02-13
JP6525935B2 (ja) 2019-06-05
SG10201609086TA (en) 2016-12-29
JP2019165477A (ja) 2019-09-26
TW201631909A (zh) 2016-09-01
CN107147403A (zh) 2017-09-08
TWI611673B (zh) 2018-01-11
TW201701600A (zh) 2017-01-01
GB2572886A (en) 2019-10-16
JP6526365B1 (ja) 2019-06-05
CN105577206A (zh) 2016-05-11
GB2572886B (en) 2020-01-08
GB2572881A (en) 2019-10-16
TWI581580B (zh) 2017-05-01
JP2018061252A (ja) 2018-04-12
JP2017092952A (ja) 2017-05-25
TW201630367A (zh) 2016-08-16

Similar Documents

Publication Publication Date Title
CN107147403B (zh) 具有放大器相位补偿的分集接收机前端***
CN105577259B (zh) 具有可变增益放大器的分集接收机前端***
CN105577258B (zh) 具有开关网络的分集接收机前端***
US20190280758A1 (en) Radio-frequency module performance using bandpass filters
CN107113050A (zh) 与分集接收机相关的***、设备和方法
CN105577260B (zh) 具有放大器后滤波器的分集接收机前端***
CN105577261B (zh) 具有灵活频带路由的分集接收机前端***
GB2536087A (en) Diversity receiver front end system with impedance matching components

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
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1243244

Country of ref document: HK

GR01 Patent grant
GR01 Patent grant