ZA90428B - Combination spatial diversity system - Google Patents

Combination spatial diversity system

Info

Publication number
ZA90428B
ZA90428B ZA90428A ZA90428A ZA90428B ZA 90428 B ZA90428 B ZA 90428B ZA 90428 A ZA90428 A ZA 90428A ZA 90428 A ZA90428 A ZA 90428A ZA 90428 B ZA90428 B ZA 90428B
Authority
ZA
South Africa
Prior art keywords
spatial diversity
diversity system
combination spatial
combination
spatial
Prior art date
Application number
ZA90428A
Other languages
English (en)
Inventor
John David Kaewell Jr
David Kaewell John Jr
Nicolas Carl Schreier
Carl Schreier Nicolas
James Joseph Roller
Joseph Roller James
Original Assignee
Int Mobile Machines
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 Int Mobile Machines filed Critical Int Mobile Machines
Publication of ZA90428B publication Critical patent/ZA90428B/xx

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)
ZA90428A 1988-12-08 1990-01-22 Combination spatial diversity system ZA90428B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA90428B true ZA90428B (en) 1990-10-31

Family

ID=23076303

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA90428A ZA90428B (en) 1988-12-08 1990-01-22 Combination spatial diversity system

Country Status (22)

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

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DE19743123B4 (de) * 1997-09-30 2005-11-24 Harman Becker Automotive Systems (Xsys Division) Gmbh Verfahren und Schaltungsanordnung zur Auswahl eines von mehreren Empfängern einer Diversity-Empfangsanlage
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
US6811534B2 (en) * 2000-01-21 2004-11-02 Medtronic Minimed, Inc. Ambulatory medical apparatus and method using a telemetry system with predefined reception listening periods
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
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US6961545B2 (en) * 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
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US6930602B2 (en) * 2003-04-25 2005-08-16 Medtronic, Inc. Coaxial cable antenna for communication with implanted medical devices
US7203549B2 (en) * 2003-10-02 2007-04-10 Medtronic, Inc. Medical device programmer with internal antenna and display
US20050075685A1 (en) * 2003-10-02 2005-04-07 Forsberg John W. Medical device programmer with infrared communication
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US7991479B2 (en) * 2003-10-02 2011-08-02 Medtronic, Inc. Neurostimulator programmer with clothing attachable antenna
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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
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Also Published As

Publication number Publication date
IT8948631A0 (it) 1989-12-06
CZ286014B6 (cs) 1999-12-15
ES2017869A6 (es) 1991-03-01
FI107852B (fi) 2001-10-15
GB2227910A (en) 1990-08-08
BR8906366A (pt) 1990-08-21
NO894893L (no) 1990-06-11
JPH02244913A (ja) 1990-09-28
BE1003343A3 (fr) 1992-03-03
HUT60578A (en) 1992-09-28
IT8948631A1 (it) 1991-06-06
FI895813A0 (fi) 1989-12-05
IL92520A0 (en) 1990-08-31
NL193711C (nl) 2000-07-04
NO178879B (no) 1996-03-11
NL8903028A (nl) 1990-07-02
IT1239544B (it) 1993-11-05
DE3940690A1 (de) 1990-06-13
SE506088C2 (sv) 1997-11-10
FR2640446B1 (fr) 1994-08-05
HU896471D0 (en) 1990-02-28
CA2004808C (en) 1995-01-10
CA2004808A1 (en) 1990-06-08
NL193711B (nl) 2000-03-01
AU606300B2 (en) 1991-01-31
SE8904132L (sv) 1990-06-09
PL164583B1 (pl) 1994-08-31
NO894893D0 (no) 1989-12-06
SE8904132D0 (sv) 1989-12-07
HU209626B (en) 1994-09-28
CN1043414A (zh) 1990-06-27
CS8906956A2 (en) 1991-07-16
FR2640446A1 (fr) 1990-06-15
DE3940690C2 (de) 2001-02-08
CN1014196B (zh) 1991-10-02
GB8927341D0 (en) 1990-01-31
NZ231618A (en) 1992-10-28
US4953197A (en) 1990-08-28
AU4585289A (en) 1990-07-19
GB2227910B (en) 1993-10-27
NO178879C (no) 1996-06-19

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