DE69830458D1 - Digitales Funkkommunikationssystem mit Diversity-Empfang - Google Patents

Digitales Funkkommunikationssystem mit Diversity-Empfang

Info

Publication number
DE69830458D1
DE69830458D1 DE69830458T DE69830458T DE69830458D1 DE 69830458 D1 DE69830458 D1 DE 69830458D1 DE 69830458 T DE69830458 T DE 69830458T DE 69830458 T DE69830458 T DE 69830458T DE 69830458 D1 DE69830458 D1 DE 69830458D1
Authority
DE
Germany
Prior art keywords
communication system
radio communication
digital radio
diversity reception
diversity
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
DE69830458T
Other languages
English (en)
Other versions
DE69830458T2 (de
Inventor
Dr Zubrzycki
Richard Harold Evans
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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 British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of DE69830458D1 publication Critical patent/DE69830458D1/de
Application granted granted Critical
Publication of DE69830458T2 publication Critical patent/DE69830458T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/28—Mobile studios

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69830458T 1997-12-05 1998-12-03 Digitales Mehrträger-Kommunikationssystem mit Diversity-Empfang Expired - Lifetime DE69830458T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9725890A GB2332124B (en) 1997-12-05 1997-12-05 Digital radio communication system
GB9725890 1997-12-05

Publications (2)

Publication Number Publication Date
DE69830458D1 true DE69830458D1 (de) 2005-07-14
DE69830458T2 DE69830458T2 (de) 2006-04-20

Family

ID=10823249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69830458T Expired - Lifetime DE69830458T2 (de) 1997-12-05 1998-12-03 Digitales Mehrträger-Kommunikationssystem mit Diversity-Empfang

Country Status (4)

Country Link
EP (1) EP0921646B1 (de)
DE (1) DE69830458T2 (de)
ES (1) ES2242263T3 (de)
GB (1) GB2332124B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516536C2 (sv) * 1999-10-29 2002-01-29 Allgon Ab Antennanordning omkopplingsbar mellan ett flertal konfigurationstillstånd i avhängighet av två driftsparametrar samt därtill hörande metod
US6917790B1 (en) 1999-10-29 2005-07-12 Amc Centurion Ab Antenna device and method for transmitting and receiving radio waves
SE516535C2 (sv) 1999-10-29 2002-01-29 Allgon Ab Antennanordning omkopplingsbar mellan ett flertal konfigurationslägen anpassade för användning i olika operationsmiljöer samt därtill hörande förfarande
DE10026538A1 (de) * 2000-05-27 2001-11-29 Deutsche Telekom Ag Verfahren und Diversity-Empfangsvorrichtung zum Empfangen eines Mehrträger-Signals
JP2002084251A (ja) * 2000-09-07 2002-03-22 Alps Electric Co Ltd Ｏｆｄｍ受信装置
JP3639521B2 (ja) * 2000-11-10 2005-04-20 株式会社ケンウッド ダイバーシティ受信機及び直交周波数分割多重信号受信方法
GB2397979B (en) * 2001-02-27 2005-02-09 British Broadcasting Corp Digital radio communication system
GB0104839D0 (en) * 2001-02-27 2001-04-18 British Broadcasting Corp Digital radio communication system
US7013166B2 (en) * 2003-02-03 2006-03-14 Nokia Corporation Multi-carrier receiver architecture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278978A (en) * 1979-09-18 1981-07-14 Nasa Baseband signal combiner for large aperture antenna array
GB2237706A (en) * 1989-11-03 1991-05-08 Racal Res Ltd Radio communications link with diversity
US5140615A (en) * 1990-06-12 1992-08-18 Motorola, Inc. Maximal ratio diversity combining technique
GB2259430B (en) * 1991-09-07 1996-05-01 Motorola Ltd Radio receiver and transmitter providing diversity
IT1259031B (it) * 1992-05-25 1996-03-11 Alcatel Italia Metodo e dispositivo per ottimizzare il collegamento radio per un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo variando il livello di attenuazione relativo tra i due canali
US5541963A (en) * 1993-12-01 1996-07-30 Hitachi, Ltd. Diversity receiving apparatus
MY113061A (en) * 1994-05-16 2001-11-30 Sanyo Electric Co Diversity reception device
AU3215695A (en) * 1994-09-09 1996-03-27 Motorola, Inc. Diversity receiver with combiner for equalization and diversity transmitter with splitter and delay
JPH10247869A (ja) * 1997-03-04 1998-09-14 Nec Corp ダイバーシティ回路

Also Published As

Publication number Publication date
EP0921646A2 (de) 1999-06-09
ES2242263T3 (es) 2005-11-01
GB2332124B (en) 2002-07-17
GB9725890D0 (en) 1998-02-04
EP0921646B1 (de) 2005-06-08
EP0921646A3 (de) 2000-09-27
DE69830458T2 (de) 2006-04-20
GB2332124A (en) 1999-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: 2K PATENTANWAELTE BLASBERG KEWITZ & REICHEL, PARTN