DE3888793D1 - TDMA-kohärenter Phasenquadraturenempfänger für Mehrwegkanäle mit Fading. - Google Patents

TDMA-kohärenter Phasenquadraturenempfänger für Mehrwegkanäle mit Fading.

Info

Publication number
DE3888793D1
DE3888793D1 DE88117270T DE3888793T DE3888793D1 DE 3888793 D1 DE3888793 D1 DE 3888793D1 DE 88117270 T DE88117270 T DE 88117270T DE 3888793 T DE3888793 T DE 3888793T DE 3888793 D1 DE3888793 D1 DE 3888793D1
Authority
DE
Germany
Prior art keywords
multipath
timeslot
fading
tdma
quadrature phase
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
DE88117270T
Other languages
English (en)
Other versions
DE3888793T2 (de
Inventor
David Edward Borth
Chih-Fei Wang
Duane C Rabe
Gerald Paul Labedz
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE3888793D1 publication Critical patent/DE3888793D1/de
Publication of DE3888793T2 publication Critical patent/DE3888793T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0055Synchronisation arrangements determining timing error of reception due to propagation delay
    • H04W56/0065Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
    • H04W56/007Open loop measurement
    • H04W56/0075Open loop measurement based on arrival time vs. expected arrival time
    • H04W56/0085Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
DE3888793T 1987-12-04 1988-10-17 TDMA-kohärenter Phasenquadraturenempfänger für Mehrwegkanäle mit Fading. Expired - Lifetime DE3888793T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/128,976 US4829543A (en) 1987-12-04 1987-12-04 Phase-coherent TDMA quadrature receiver for multipath fading channels

Publications (2)

Publication Number Publication Date
DE3888793D1 true DE3888793D1 (de) 1994-05-05
DE3888793T2 DE3888793T2 (de) 1994-08-11

Family

ID=22437891

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888793T Expired - Lifetime DE3888793T2 (de) 1987-12-04 1988-10-17 TDMA-kohärenter Phasenquadraturenempfänger für Mehrwegkanäle mit Fading.

Country Status (9)

Country Link
US (1) US4829543A (de)
EP (1) EP0318685B1 (de)
JP (1) JP3036750B2 (de)
AT (1) ATE103743T1 (de)
CA (1) CA1291280C (de)
DE (1) DE3888793T2 (de)
ES (1) ES2050692T3 (de)
FI (1) FI87417B (de)
HK (1) HK99897A (de)

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JP2001103033A (ja) 1999-09-30 2001-04-13 Hitachi Denshi Ltd データ伝送装置
US6882680B1 (en) * 2000-06-09 2005-04-19 Umbrella Capital, Llc Quadrature phase modulation receiver for spread spectrum communications system
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US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
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Also Published As

Publication number Publication date
EP0318685A2 (de) 1989-06-07
US4829543A (en) 1989-05-09
JP3036750B2 (ja) 2000-04-24
FI87417B (fi) 1992-09-15
FI884941A0 (fi) 1988-10-26
ATE103743T1 (de) 1994-04-15
EP0318685B1 (de) 1994-03-30
ES2050692T3 (es) 1994-06-01
JPH01190153A (ja) 1989-07-31
HK99897A (en) 1997-08-08
FI884941A (fi) 1989-06-05
DE3888793T2 (de) 1994-08-11
EP0318685A3 (en) 1990-08-29
CA1291280C (en) 1991-10-22

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Legal Events

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