DE69005634D1 - Raumdiversity-mobilfunkempfänger. - Google Patents

Raumdiversity-mobilfunkempfänger.

Info

Publication number
DE69005634D1
DE69005634D1 DE90906176T DE69005634T DE69005634D1 DE 69005634 D1 DE69005634 D1 DE 69005634D1 DE 90906176 T DE90906176 T DE 90906176T DE 69005634 T DE69005634 T DE 69005634T DE 69005634 D1 DE69005634 D1 DE 69005634D1
Authority
DE
Germany
Prior art keywords
mobile receiver
space diversity
diversity mobile
space
receiver
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 - Fee Related
Application number
DE90906176T
Other languages
English (en)
Other versions
DE69005634T2 (de
Inventor
Agostino Marcello Sant
Luigi Moreno
Avella Renato D
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.)
Italtel SpA
Original Assignee
Italtel SpA
Italtel Societa Italiana Telecomunicazioni SpA
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 Italtel SpA, Italtel Societa Italiana Telecomunicazioni SpA filed Critical Italtel SpA
Publication of DE69005634D1 publication Critical patent/DE69005634D1/de
Application granted granted Critical
Publication of DE69005634T2 publication Critical patent/DE69005634T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69005634T 1989-06-15 1990-04-11 Raumdiversity-mobilfunkempfänger. Expired - Fee Related DE69005634T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8920880A IT1230284B (it) 1989-06-15 1989-06-15 Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
PCT/EP1990/000603 WO1990016118A1 (en) 1989-06-15 1990-04-11 Space-diversity digital radio mobile receiver and relevant process

Publications (2)

Publication Number Publication Date
DE69005634D1 true DE69005634D1 (de) 1994-02-10
DE69005634T2 DE69005634T2 (de) 1994-06-16

Family

ID=11173467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69005634T Expired - Fee Related DE69005634T2 (de) 1989-06-15 1990-04-11 Raumdiversity-mobilfunkempfänger.

Country Status (5)

Country Link
US (1) US5297168A (de)
EP (1) EP0477183B1 (de)
DE (1) DE69005634T2 (de)
IT (1) IT1230284B (de)
WO (1) WO1990016118A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396101B1 (de) * 1989-05-02 1996-01-03 Nec Corporation TDMA-Raumdiversity-Empfänger
DE69129768T2 (de) * 1990-03-30 1999-02-25 Nec Corp Störungsunempfindlicher Raumdiversityempfänger
SE513657C2 (sv) * 1993-06-24 2000-10-16 Ericsson Telefon Ab L M Sätt och anordning att vid digital signalöverföring estimera överförda symboler hos en mottagare
US5426668A (en) * 1994-01-12 1995-06-20 Bell Communications Research, Inc. Tetherless access to communication networks
US5499272A (en) * 1994-05-31 1996-03-12 Ericsson Ge Mobile Communications Inc. Diversity receiver for signals with multipath time dispersion
JP3022194B2 (ja) * 1994-09-02 2000-03-15 三菱電機株式会社 ダイバーシチ受信装置
SE503785C2 (sv) * 1994-12-12 1996-09-02 Ericsson Telefon Ab L M Förfarande och anordning för att sammanlagra signaler
DE4445850A1 (de) * 1994-12-22 1996-06-27 Alcatel Mobile Comm Deutsch Empfangsvorrichtung für Mobilfunk, insbesondere für Bahnmobilfunk
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
DE19604772C2 (de) * 1996-02-09 2002-08-29 Siemens Ag Verfahren zur Parametrierung einer Empfangseinrichtung, sowie entsprechende Empfangseinrichtung und Funkstation
KR0168796B1 (ko) * 1996-03-27 1999-02-01 김광호 다이버시티용 결합기에서 정규화 전압 발산 방지를 위한 정규화 회로
FI104300B (fi) 1997-08-22 1999-12-15 Nokia Telecommunications Oy Adaptiivinen radiojärjestelmä
FR2786048B1 (fr) * 1998-11-13 2001-01-12 France Telecom Dispositif et procede de reception a au moins deux voies de reception, et utilisation correspondante
JP2000341183A (ja) 1999-05-31 2000-12-08 Matsushita Electric Ind Co Ltd 受信装置
FI20000820A (fi) * 2000-04-06 2001-10-07 Nokia Networks Oy Kanavakorjaimen optimointi
DE60115390T2 (de) * 2001-05-14 2006-07-13 Sony Deutschland Gmbh Rundfunkempfänger mit Antennen- und Frequenzdiversität
US7133457B2 (en) * 2003-06-27 2006-11-07 Texas Instruments Incorporated Joint timing recovery for multiple signal channels
KR20210079647A (ko) * 2019-12-20 2021-06-30 현대자동차주식회사 차량 및 차량용 안테나 시스템

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328585A (en) * 1980-04-02 1982-05-04 Signatron, Inc. Fast adapting fading channel equalizer
EP0396101B1 (de) * 1989-05-02 1996-01-03 Nec Corporation TDMA-Raumdiversity-Empfänger
US5109392A (en) * 1989-05-11 1992-04-28 Bell Telephone Laboratories, Inc. Diversity receiver arrangement for digital signals
CA2021232C (en) * 1989-07-17 1993-09-21 Hiroyasu Muto Diversity receiving system for use in digital radio communication with means for selecting branch by estimating propagation path property
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals

Also Published As

Publication number Publication date
IT8920880A0 (it) 1989-06-15
US5297168A (en) 1994-03-22
EP0477183A1 (de) 1992-04-01
IT1230284B (it) 1991-10-18
EP0477183B1 (de) 1993-12-29
WO1990016118A1 (en) 1990-12-27
DE69005634T2 (de) 1994-06-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee