FI107852B - Yhdistetty spatiaalinen diversiteettijärjestelmä - Google Patents

Yhdistetty spatiaalinen diversiteettijärjestelmä Download PDF

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Publication number
FI107852B
FI107852B FI895813A FI895813A FI107852B FI 107852 B FI107852 B FI 107852B FI 895813 A FI895813 A FI 895813A FI 895813 A FI895813 A FI 895813A FI 107852 B FI107852 B FI 107852B
Authority
FI
Finland
Prior art keywords
antenna
data
signal
quality
received
Prior art date
Application number
FI895813A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI895813A0 (fi
Inventor
Jr John David Kaewell
Nicholas Carl Schreier
James Joseph Roller
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of FI895813A0 publication Critical patent/FI895813A0/fi
Application granted granted Critical
Publication of FI107852B publication Critical patent/FI107852B/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
FI895813A 1988-12-08 1989-12-05 Yhdistetty spatiaalinen diversiteettijärjestelmä FI107852B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/281,186 US4953197A (en) 1988-12-08 1988-12-08 Combination spatial diversity system
US28118688 1988-12-08

Publications (2)

Publication Number Publication Date
FI895813A0 FI895813A0 (fi) 1989-12-05
FI107852B true FI107852B (fi) 2001-10-15

Family

ID=23076303

Family Applications (1)

Application Number Title Priority Date Filing Date
FI895813A FI107852B (fi) 1988-12-08 1989-12-05 Yhdistetty spatiaalinen diversiteettijärjestelmä

Country Status (22)

Country Link
US (1) US4953197A (pl)
JP (1) JPH02244913A (pl)
CN (1) CN1014196B (pl)
AU (1) AU606300B2 (pl)
BE (1) BE1003343A3 (pl)
BR (1) BR8906366A (pl)
CA (1) CA2004808C (pl)
CZ (1) CZ286014B6 (pl)
DE (1) DE3940690C2 (pl)
ES (1) ES2017869A6 (pl)
FI (1) FI107852B (pl)
FR (1) FR2640446B1 (pl)
GB (1) GB2227910B (pl)
HU (1) HU209626B (pl)
IL (1) IL92520A0 (pl)
IT (1) IT1239544B (pl)
NL (1) NL193711C (pl)
NO (1) NO178879C (pl)
NZ (1) NZ231618A (pl)
PL (1) PL164583B1 (pl)
SE (1) SE506088C2 (pl)
ZA (1) ZA90428B (pl)

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US6005856A (en) * 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
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US5742583A (en) 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques
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US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
US5781612A (en) * 1995-03-10 1998-07-14 Northern Telecom Limited Radio terminal interfaces for voice and data telecommunications, and methods for their operation
US5845216A (en) * 1995-05-30 1998-12-01 Sierra Wireless, Inc. Optimized companding for communication over cellular systems
US5959980A (en) * 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US5745484A (en) 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5675629A (en) * 1995-09-08 1997-10-07 At&T Cordless cellular system base station
US5732360A (en) * 1995-09-08 1998-03-24 At & T Wireless Services And Atmel Corp Mobile telecommunication device and method used for changing wireless communication between base stations of different kinds
US5911120A (en) 1995-09-08 1999-06-08 At&T Wireless Services Wireless communication system having mobile stations establish a communication link through the base station without using a landline or regional cellular network and without a call in progress
CA2188845A1 (en) * 1996-10-25 1998-04-25 Stephen Ross Todd Selection of an antenna operating in diversity
EP0876045B1 (en) * 1997-04-28 2003-09-10 Nortel Networks Limited Method and system for verifying and storing call related records in a telecommunications network
US7116959B1 (en) 1997-09-30 2006-10-03 Harman Becker Automotive Systems Gmbh Apparatus for selecting a receiver among a plurality of receivers in a diversity receiver system based upon automatic gain correction
EP0999669A1 (en) * 1998-11-06 2000-05-10 Nortel Matra Cellular Method and apparatus for diversity reception of user messages with different forward error correction
DE19852091C1 (de) * 1998-11-12 2000-05-25 Deutsche Telekom Mobil Verfahren und Einrichtung zur Verbesserung der Audioqualität in einem Mobilfunknetz
US6947469B2 (en) 1999-05-07 2005-09-20 Intel Corporation Method and Apparatus for wireless spread spectrum communication with preamble processing period
US6694191B2 (en) * 2000-01-21 2004-02-17 Medtronic Minimed, Inc. Ambulatory medical apparatus and method having telemetry modifiable control software
US20070111689A1 (en) * 2000-07-24 2007-05-17 Hermann Link Apparatus for selecting a receiver among a plurality of receivers in a diversity receiver system based upon automatic gain correction
JP5021114B2 (ja) 2000-09-07 2012-09-05 ソニー株式会社 無線中継システム及び方法
GB2370724B (en) * 2000-12-21 2004-07-14 Ubinetics Ltd Personal wireless communications apparatus
US6961545B2 (en) * 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
JP4043850B2 (ja) * 2002-06-03 2008-02-06 松下電器産業株式会社 ダイバシティ切替装置
US6930602B2 (en) * 2003-04-25 2005-08-16 Medtronic, Inc. Coaxial cable antenna for communication with implanted medical devices
US7263406B2 (en) 2003-10-02 2007-08-28 Medtronic, Inc. Medical device programmer with selective disablement of display during telemetry
US20050075685A1 (en) * 2003-10-02 2005-04-07 Forsberg John W. Medical device programmer with infrared communication
US7203549B2 (en) * 2003-10-02 2007-04-10 Medtronic, Inc. Medical device programmer with internal antenna and display
US7991479B2 (en) * 2003-10-02 2011-08-02 Medtronic, Inc. Neurostimulator programmer with clothing attachable antenna
US7729766B2 (en) * 2003-10-02 2010-06-01 Medtronic, Inc. Circuit board construction for handheld programmer
US7272445B2 (en) * 2003-10-02 2007-09-18 Medtronic, Inc. Medical device programmer with faceplate
US7561921B2 (en) * 2003-10-02 2009-07-14 Medtronic, Inc. Neurostimulator programmer with internal antenna
US7706768B2 (en) * 2006-08-02 2010-04-27 Intel Corporation Diversity switching
EP2341652B1 (en) * 2010-01-05 2016-08-17 Alcatel Lucent Reception of a diversity-protected data flow in a radio communication network
US8706058B2 (en) 2011-03-24 2014-04-22 Honeywell International Inc. RF data transfer in a spherical cavity
US9813262B2 (en) * 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9591508B2 (en) 2012-12-20 2017-03-07 Google Technology Holdings LLC Methods and apparatus for transmitting data between different peer-to-peer communication groups
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US10229697B2 (en) 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
US9549290B2 (en) 2013-12-19 2017-01-17 Google Technology Holdings LLC Method and apparatus for determining direction information for a wireless device
EP3742760B1 (en) * 2017-09-07 2024-07-10 Oticon A/s Power management in low power wireless link in a hearing aid system

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US3328698A (en) * 1963-06-28 1967-06-27 Itt Selector for choosing the strongest signal including means for inhibiting all signals below a selected level
DE2360929C2 (de) * 1973-12-06 1975-07-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Auswahl eines Diversitykanals über den Daten in Form von Bits übertragen werden
JPS5727629B2 (pl) * 1973-12-19 1982-06-11
CA1065020A (en) * 1974-06-27 1979-10-23 William L. Hatton High reliability diversity communications system
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JPS5147313A (pl) * 1974-10-21 1976-04-22 Nippon Telegraph & Telephone
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JPS60214641A (ja) * 1984-04-10 1985-10-26 Nec Corp 時分割多方向通信のスペース・ダイバシティ通信方式
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Also Published As

Publication number Publication date
FI895813A0 (fi) 1989-12-05
CN1043414A (zh) 1990-06-27
HU896471D0 (en) 1990-02-28
HU209626B (en) 1994-09-28
CS8906956A2 (en) 1991-07-16
US4953197A (en) 1990-08-28
NO894893D0 (no) 1989-12-06
IT8948631A0 (it) 1989-12-06
NL8903028A (nl) 1990-07-02
SE8904132D0 (sv) 1989-12-07
SE8904132L (sv) 1990-06-09
NZ231618A (en) 1992-10-28
BR8906366A (pt) 1990-08-21
ES2017869A6 (es) 1991-03-01
CZ286014B6 (cs) 1999-12-15
SE506088C2 (sv) 1997-11-10
IT8948631A1 (it) 1991-06-06
GB2227910A (en) 1990-08-08
GB2227910B (en) 1993-10-27
NL193711C (nl) 2000-07-04
FR2640446A1 (fr) 1990-06-15
FR2640446B1 (fr) 1994-08-05
NO178879B (no) 1996-03-11
ZA90428B (en) 1990-10-31
JPH02244913A (ja) 1990-09-28
PL164583B1 (pl) 1994-08-31
NO178879C (no) 1996-06-19
AU606300B2 (en) 1991-01-31
HUT60578A (en) 1992-09-28
IT1239544B (it) 1993-11-05
CN1014196B (zh) 1991-10-02
DE3940690A1 (de) 1990-06-13
BE1003343A3 (fr) 1992-03-03
CA2004808C (en) 1995-01-10
NO894893L (no) 1990-06-11
IL92520A0 (en) 1990-08-31
AU4585289A (en) 1990-07-19
CA2004808A1 (en) 1990-06-08
DE3940690C2 (de) 2001-02-08
NL193711B (nl) 2000-03-01
GB8927341D0 (en) 1990-01-31

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: INTERDIGITAL TECHNOLOGY CORPORATION

FG Patent granted

Owner name: INTERDIGITAL TECHNOLOGY CORPORATION