DE69730939D1 - Empfängerschaltung mit Raumdiversität - Google Patents

Empfängerschaltung mit Raumdiversität

Info

Publication number
DE69730939D1
DE69730939D1 DE69730939T DE69730939T DE69730939D1 DE 69730939 D1 DE69730939 D1 DE 69730939D1 DE 69730939 T DE69730939 T DE 69730939T DE 69730939 T DE69730939 T DE 69730939T DE 69730939 D1 DE69730939 D1 DE 69730939D1
Authority
DE
Germany
Prior art keywords
receiver circuit
space diversity
diversity
space
receiver
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.)
Expired - Lifetime
Application number
DE69730939T
Other languages
English (en)
Other versions
DE69730939T2 (de
Inventor
Gen-Ichiro Ohta
Kazunori Inogai
Fujio Sasaki
Hiraoki Sudo
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69730939D1 publication Critical patent/DE69730939D1/de
Application granted granted Critical
Publication of DE69730939T2 publication Critical patent/DE69730939T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0817—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 multiple receivers and antenna path selection
    • 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
    • H04B7/0882—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 post-detection diversity
    • H04B7/0888—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 post-detection diversity with selection
    • 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
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas
    • 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
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • 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
    • H04B7/0882—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 post-detection diversity
    • H04B7/0885—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 post-detection diversity with combination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE69730939T 1996-12-27 1997-12-24 Empfängerschaltung mit Raumdiversität Expired - Lifetime DE69730939T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35674896 1996-12-27
JP35674896A JP3657377B2 (ja) 1996-12-27 1996-12-27 受信回路

Publications (2)

Publication Number Publication Date
DE69730939D1 true DE69730939D1 (de) 2004-11-04
DE69730939T2 DE69730939T2 (de) 2005-10-06

Family

ID=18450580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730939T Expired - Lifetime DE69730939T2 (de) 1996-12-27 1997-12-24 Empfängerschaltung mit Raumdiversität

Country Status (7)

Country Link
US (1) US6044254A (de)
EP (1) EP0851605B1 (de)
JP (1) JP3657377B2 (de)
KR (1) KR19980064761A (de)
CN (1) CN1117438C (de)
DE (1) DE69730939T2 (de)
MY (1) MY132988A (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125109A (en) * 1998-02-24 2000-09-26 Repeater Technologies Delay combiner system for CDMA repeaters and low noise amplifiers
GB2382954B (en) * 2001-12-04 2004-03-10 Lucent Technologies Inc A telecommunications station such as a umts base station and a method of detecting a parameter of a signal transmitted therefrom
JP2004274452A (ja) * 2003-03-10 2004-09-30 Nippon Telegr & Teleph Corp <Ntt> トランシーバ
US7006809B2 (en) * 2003-05-06 2006-02-28 Ami Semiconductor, Inc. Adaptive diversity receiver architecture
DE602004017339D1 (de) * 2003-09-03 2008-12-04 Koninkl Philips Electronics Nv Diversitäts-empfänger
US9026070B2 (en) * 2003-12-18 2015-05-05 Qualcomm Incorporated Low-power wireless diversity receiver with multiple receive paths
KR100626952B1 (ko) 2004-08-17 2006-09-20 주식회사 팬택 디지털 멀티미디어 방송 수신 장치
KR100577062B1 (ko) * 2004-12-29 2006-05-10 삼성전자주식회사 수신 다이버시티구조를 갖는 이동통신단말기에서전력제어를 하기 위한 장치 및 방법
US7640040B2 (en) * 2005-08-22 2009-12-29 Kyocera Corporation Systems and methods for tuning an antenna configuration in a mobile communication device
US9450665B2 (en) * 2005-10-19 2016-09-20 Qualcomm Incorporated Diversity receiver for wireless communication
US7668525B2 (en) * 2007-03-01 2010-02-23 Delphi Technologies, Inc. System and method of a stereo receiving system
US20100190460A1 (en) * 2007-05-31 2010-07-29 The Governors Of The University Of Alberta Pre-processor for receiver antenna diversity
US8032100B2 (en) * 2007-06-29 2011-10-04 Delphi Technologies, Inc. System and method of communicating multiple carrier waves
US8024003B2 (en) * 2008-03-06 2011-09-20 Qualcomm Incorporated Methods and apparatus for supporting communications using antennas associated with different polarization directions
US8326249B2 (en) * 2008-03-06 2012-12-04 Qualcomm Incorporated Methods and apparatus for supporting communications using a first polarization direction electrical antenna and a second polarization direction magnetic antenna
US8170477B2 (en) * 2008-04-04 2012-05-01 Broadcom Corporation Robust wireless communication device
US9178669B2 (en) 2011-05-17 2015-11-03 Qualcomm Incorporated Non-adjacent carrier aggregation architecture
US9252827B2 (en) 2011-06-27 2016-02-02 Qualcomm Incorporated Signal splitting carrier aggregation receiver architecture
US9154179B2 (en) 2011-06-29 2015-10-06 Qualcomm Incorporated Receiver with bypass mode for improved sensitivity
US8774334B2 (en) 2011-11-09 2014-07-08 Qualcomm Incorporated Dynamic receiver switching
US9362958B2 (en) 2012-03-02 2016-06-07 Qualcomm Incorporated Single chip signal splitting carrier aggregation receiver architecture
US9172402B2 (en) 2012-03-02 2015-10-27 Qualcomm Incorporated Multiple-input and multiple-output carrier aggregation receiver reuse architecture
US9118439B2 (en) 2012-04-06 2015-08-25 Qualcomm Incorporated Receiver for imbalanced carriers
US9154356B2 (en) 2012-05-25 2015-10-06 Qualcomm Incorporated Low noise amplifiers for carrier aggregation
US9867194B2 (en) 2012-06-12 2018-01-09 Qualcomm Incorporated Dynamic UE scheduling with shared antenna and carrier aggregation
US9300420B2 (en) 2012-09-11 2016-03-29 Qualcomm Incorporated Carrier aggregation receiver architecture
US9543903B2 (en) 2012-10-22 2017-01-10 Qualcomm Incorporated Amplifiers with noise splitting
US8995591B2 (en) 2013-03-14 2015-03-31 Qualcomm, Incorporated Reusing a single-chip carrier aggregation receiver to support non-cellular diversity
KR102225836B1 (ko) * 2013-12-05 2021-03-11 삼성전자주식회사 안테나의 성능을 개선하기 위한 방법 및 그 장치
US10177722B2 (en) 2016-01-12 2019-01-08 Qualcomm Incorporated Carrier aggregation low-noise amplifier with tunable integrated power splitter
CN110446005A (zh) * 2019-07-09 2019-11-12 南京速瑞特信息科技有限公司 电网监控用视频接收装置及视频处理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2087370A5 (de) * 1970-05-15 1971-12-31 Cit Alcatel
JPS61234143A (ja) * 1985-04-09 1986-10-18 Toshiba Corp 受信回路
US5321850A (en) * 1991-10-09 1994-06-14 Telefonaktiebolaget L M Ericsson Diversity radio receiver automatic frequency control
US5248984A (en) * 1991-11-13 1993-09-28 National Space Development Agency Of Japan Method for processing an antenna pattern
JP2982504B2 (ja) * 1992-07-31 1999-11-22 日本電気株式会社 適応受信機
DE4303355A1 (de) * 1993-02-05 1994-08-11 Philips Patentverwaltung Funksystem
JPH077449A (ja) * 1993-06-17 1995-01-10 Oki Electric Ind Co Ltd アンテナ切り替えスイッチ
JPH0787057A (ja) * 1993-06-23 1995-03-31 Clarion Co Ltd スペクトラム拡散通信用ダイバーシチ受信機
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
US5517686A (en) * 1994-09-29 1996-05-14 Delco Electronics Corporation Diversity receiver for FM stereo utilizing a pilot tone multiple for phase alignment of received signals
US5553102A (en) * 1994-12-01 1996-09-03 Motorola, Inc. Diversity reception communication system with maximum ratio combining method
US5608722A (en) * 1995-04-03 1997-03-04 Qualcomm Incorporated Multi-user communication system architecture with distributed receivers
JP3508956B2 (ja) * 1995-04-13 2004-03-22 ソニー株式会社 周波数変調信号復調回路及び通信端末装置

Also Published As

Publication number Publication date
JP3657377B2 (ja) 2005-06-08
EP0851605A2 (de) 1998-07-01
JPH10190538A (ja) 1998-07-21
MY132988A (en) 2007-10-31
CN1190827A (zh) 1998-08-19
EP0851605A3 (de) 2003-04-02
DE69730939T2 (de) 2005-10-06
EP0851605B1 (de) 2004-09-29
US6044254A (en) 2000-03-28
CN1117438C (zh) 2003-08-06
KR19980064761A (ko) 1998-10-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP