CA2355594A1 - Dual antenna system - Google Patents
Dual antenna system Download PDFInfo
- Publication number
- CA2355594A1 CA2355594A1 CA002355594A CA2355594A CA2355594A1 CA 2355594 A1 CA2355594 A1 CA 2355594A1 CA 002355594 A CA002355594 A CA 002355594A CA 2355594 A CA2355594 A CA 2355594A CA 2355594 A1 CA2355594 A1 CA 2355594A1
- Authority
- CA
- Canada
- Prior art keywords
- antennas
- antenna
- mobile communication
- communication device
- quality
- 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.)
- Abandoned
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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
-
- 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
-
- 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
- H04B7/10—Polarisation diversity; Directional diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Transceivers (AREA)
- Support Of Aerials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA199801625 | 1998-12-08 | ||
DKPA199801625 | 1998-12-08 | ||
PCT/DK1999/000688 WO2000035124A2 (en) | 1998-12-08 | 1999-12-08 | Dual antenna system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2355594A1 true CA2355594A1 (en) | 2000-06-15 |
Family
ID=8106662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002355594A Abandoned CA2355594A1 (en) | 1998-12-08 | 1999-12-08 | Dual antenna system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1138130A2 (zh) |
CN (1) | CN1329781A (zh) |
AU (1) | AU1648900A (zh) |
CA (1) | CA2355594A1 (zh) |
WO (1) | WO2000035124A2 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002171190A (ja) * | 2000-12-01 | 2002-06-14 | Nec Corp | 小型携帯電話機 |
JP2007517441A (ja) * | 2003-12-30 | 2007-06-28 | ゼンハイザー・エレクトロニック・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト | デジタルマイクロフォン |
US7091911B2 (en) | 2004-06-02 | 2006-08-15 | Research In Motion Limited | Mobile wireless communications device comprising non-planar internal antenna without ground plane overlap |
GB2416924B (en) * | 2004-07-29 | 2007-04-25 | Draeger Safety Ag & Co Kgaa | Method and device for the radio transmission of signals generated close to the body |
DE102004036878B4 (de) | 2004-07-29 | 2008-04-10 | Dräger Safety AG & Co. KGaA | Verfahren und Vorrichtung zur Funkübertragung von in Körpernähe generierten Signalen |
CN1889590B (zh) * | 2006-07-18 | 2013-06-19 | 胡淑欣 | 防辐射移动终端 |
ATE522950T1 (de) * | 2009-07-31 | 2011-09-15 | Research In Motion Ltd | Integrierte antenne und elektrostatischer entladungsschutz |
US8406825B2 (en) | 2009-07-31 | 2013-03-26 | Research In Motion Limited | Integrated antenna and electrostatic discharge protection |
CN103118408B (zh) * | 2011-11-16 | 2016-02-17 | 普天信息技术研究院有限公司 | 小区测量方法、小区测量和切换的方法、装置及系统 |
EP2941797B1 (en) | 2012-12-03 | 2019-11-20 | Dockon AG | Low noise detection system using log detector amplifier |
WO2014144958A1 (en) | 2013-03-15 | 2014-09-18 | Forrest James Brown | Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability |
WO2014152307A1 (en) | 2013-03-15 | 2014-09-25 | Dockon Ag | Low-power, noise insensitive communication channel using logarithmic detector amplifier (lda) demodulator |
EP2973994B1 (en) | 2013-03-15 | 2021-07-21 | Dockon AG | Logarithmic amplifier with universal demodulation capabilities |
US9236892B2 (en) | 2013-03-15 | 2016-01-12 | Dockon Ag | Combination of steering antennas, CPL antenna(s), and one or more receive logarithmic detector amplifiers for SISO and MIMO applications |
US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
EP3044723A4 (en) | 2013-09-12 | 2017-05-03 | Dockon AG | Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion |
US11183974B2 (en) | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59181732A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 携帯用無線機におけるダイバ−シチ−受信方式 |
IL116423A0 (en) * | 1995-12-15 | 1996-03-31 | Geotek Communication Inc | A portable radio terminal having diversity reception antennas |
JPH09219676A (ja) * | 1996-02-14 | 1997-08-19 | Kyocera Corp | 携帯無線機 |
JPH09247031A (ja) * | 1996-03-05 | 1997-09-19 | Nec Corp | 携帯用無線装置 |
-
1999
- 1999-12-08 CA CA002355594A patent/CA2355594A1/en not_active Abandoned
- 1999-12-08 EP EP99959243A patent/EP1138130A2/en not_active Withdrawn
- 1999-12-08 AU AU16489/00A patent/AU1648900A/en not_active Abandoned
- 1999-12-08 CN CN99814263A patent/CN1329781A/zh active Pending
- 1999-12-08 WO PCT/DK1999/000688 patent/WO2000035124A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1329781A (zh) | 2002-01-02 |
AU1648900A (en) | 2000-06-26 |
EP1138130A2 (en) | 2001-10-04 |
WO2000035124A2 (en) | 2000-06-15 |
WO2000035124A3 (en) | 2000-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |