ID21691A - Sistem dan metode uji antena keseluruhan dan individual penerima diversitas ruang - Google Patents

Sistem dan metode uji antena keseluruhan dan individual penerima diversitas ruang

Info

Publication number
ID21691A
ID21691A IDP990028A ID990028A ID21691A ID 21691 A ID21691 A ID 21691A ID P990028 A IDP990028 A ID P990028A ID 990028 A ID990028 A ID 990028A ID 21691 A ID21691 A ID 21691A
Authority
ID
Indonesia
Prior art keywords
recipients
overall
individual test
space diversity
diversity
Prior art date
Application number
IDP990028A
Other languages
English (en)
Indonesian (id)
Inventor
Tomoyasu Imamura
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of ID21691A publication Critical patent/ID21691A/id

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
    • H04B7/082—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 selecting best antenna path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IDP990028A 1998-01-14 1999-01-14 Sistem dan metode uji antena keseluruhan dan individual penerima diversitas ruang ID21691A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10017682A JP3139440B2 (ja) 1998-01-14 1998-01-14 アンテナおよびその受信回路異常検出装置

Publications (1)

Publication Number Publication Date
ID21691A true ID21691A (id) 1999-07-15

Family

ID=11950621

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP990028A ID21691A (id) 1998-01-14 1999-01-14 Sistem dan metode uji antena keseluruhan dan individual penerima diversitas ruang

Country Status (5)

Country Link
US (1) US6188879B1 (ja)
JP (1) JP3139440B2 (ja)
CN (1) CN1108029C (ja)
AU (1) AU739473B2 (ja)
ID (1) ID21691A (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847887A1 (de) * 1998-10-18 2000-04-20 Heinz Lindenmeier Scanning-Antennen-Diversity-System für Fahrzeuge
DE19858465A1 (de) * 1998-12-17 2000-06-21 Heinz Lindenmeier Scanning-Diversity-Antennensystem für Fahrzeuge
CN101350705B (zh) * 2000-04-26 2012-04-25 梅姆林克数字有限责任公司 用于选择和度量信号源的集成电路
JP2002152095A (ja) * 2000-11-16 2002-05-24 Pioneer Electronic Corp 受信装置
US6865390B2 (en) * 2001-06-25 2005-03-08 Lucent Technologies Inc. Cellular communications system featuring a central radio pool/traffic router
US20040127261A1 (en) * 2002-12-30 2004-07-01 Evolium S.A.S. Method and monitoring means for monitoring the performance of an antenna device
DE10338825A1 (de) * 2003-08-21 2005-03-24 Daimlerchrysler Ag Diagnoseeinrichtung und Diagnoseverfahren für ein Mehrantennensystem
JP2005130279A (ja) * 2003-10-24 2005-05-19 Sharp Corp ダイバーシティ受信用チューナ
US7498981B2 (en) * 2005-10-07 2009-03-03 The Charles Stark Draper Laboratory, Inc. Method and apparatus for real-time digital processing of satellite positional signals for fast acquisition and low SNR tracking
EP1788407B1 (en) 2005-11-22 2015-05-27 Fujitsu Ten Limited Radar apparatus
CN101026406B (zh) 2006-02-17 2011-05-25 深圳迈瑞生物医疗电子股份有限公司 空间分集接收的输入通道切换方法
JP5036247B2 (ja) * 2006-08-07 2012-09-26 日本電気株式会社 無線通信装置及びその送信アンテナ切換制御方法
WO2008117127A1 (en) * 2007-03-26 2008-10-02 Freescale Semiconductor, Inc. A method and apparatus to receive location information in a diversity enabled receiver
US20080261535A1 (en) * 2007-04-23 2008-10-23 Tropos Networks, Inc. Detection of underperforming antennas of nodes of wireless networks
US20080267056A1 (en) * 2007-04-26 2008-10-30 Motorola, Inc. Method and apparatus for performing multi-antenna transmission
JP5747174B2 (ja) * 2010-09-30 2015-07-08 パナソニックＩｐマネジメント株式会社 アンテナ切替受信システム
US20150179043A1 (en) * 2013-12-20 2015-06-25 Qualcomm Incorporated User alert on device antenna blocking
WO2017166168A1 (zh) * 2016-03-31 2017-10-05 华为技术有限公司 一种外接天线的故障检测方法及故障检测设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243925A (ja) 1985-08-21 1987-02-25 Nec Corp ダイバ−シテイ受信機の障害検出方式
JPH05216771A (ja) 1991-09-18 1993-08-27 Internatl Business Mach Corp <Ibm> データ処理装置内の重要データの回復可能性を保証する方法と装置
US6038459A (en) * 1992-10-19 2000-03-14 Nortel Networks Corporation Base station antenna arrangement
EP0687031A2 (en) * 1992-10-19 1995-12-13 Nortel Networks Corporation Base station antenna arrangement
JPH06276166A (ja) 1993-03-24 1994-09-30 Mitsubishi Electric Corp 空中線障害検出装置
US5367484A (en) 1993-04-01 1994-11-22 Microchip Technology Incorporated Programmable high endurance block for EEPROM device
JPH07302175A (ja) 1994-05-09 1995-11-14 Toshiba Corp 半導体ディスク装置
US5603001A (en) 1994-05-09 1997-02-11 Kabushiki Kaisha Toshiba Semiconductor disk system having a plurality of flash memories
JPH07302176A (ja) 1994-05-09 1995-11-14 Toshiba Corp 半導体ディスク装置
FI105430B (fi) * 1995-05-24 2000-08-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
JPH0983418A (ja) 1995-09-06 1997-03-28 Kyocera Corp アンテナ及び受信回路の異常検出方法
JPH09172399A (ja) 1995-12-19 1997-06-30 Kyocera Corp ダイバーシチ受信回路における障害検出方法
JPH09289482A (ja) 1996-04-24 1997-11-04 Fujitsu Ltd 無線システム障害検出方法及び同装置
US6032033A (en) * 1996-12-03 2000-02-29 Nortel Networks Corporation Preamble based selection diversity in a time division multiple access radio system using digital demodulation
US5969689A (en) * 1997-01-13 1999-10-19 Metawave Communications Corporation Multi-sector pivotal antenna system and method
US5973638A (en) * 1998-01-30 1999-10-26 Micronetics Wireless, Inc. Smart antenna channel simulator and test system

Also Published As

Publication number Publication date
AU739473B2 (en) 2001-10-11
CN1108029C (zh) 2003-05-07
CN1228644A (zh) 1999-09-15
JP3139440B2 (ja) 2001-02-26
JPH11205207A (ja) 1999-07-30
AU1130999A (en) 1999-08-05
US6188879B1 (en) 2001-02-13

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