NO992807L - Procedure for diversity as well as base station equipment - Google Patents

Procedure for diversity as well as base station equipment

Info

Publication number
NO992807L
NO992807L NO992807A NO992807A NO992807L NO 992807 L NO992807 L NO 992807L NO 992807 A NO992807 A NO 992807A NO 992807 A NO992807 A NO 992807A NO 992807 L NO992807 L NO 992807L
Authority
NO
Norway
Prior art keywords
diversity
base station
station equipment
radiation patterns
procedure
Prior art date
Application number
NO992807A
Other languages
Norwegian (no)
Other versions
NO992807D0 (en
Inventor
Jukka Lempioinen
Keijo Nikoskinen
Juha Juntunen
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of NO992807D0 publication Critical patent/NO992807D0/en
Publication of NO992807L publication Critical patent/NO992807L/en

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
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

Oppfinnelsen angår et basestasjonutstyr og en fremgangsmåte for diversitet i et celledelt radiosystem som omfatter sender/mottakere (100 til 106) som kommuniserer med andre sender/mottakere ved hjelp av strålingsmønstere (110 til 116) som genereres av en eller flere antenner. For å oppnå god diversitets-vinning benyttes fortrinnsvis sender/mottaker- antennene i fremgangsmåten ifølge oppfinnelsen til å generere to eller flere strålingsmønstere med identiske effekt-strålingsmønstere og ulike fase- strålingsmønstere.The invention relates to a base station equipment and a method of diversity in a cellular radio system comprising transmitters / receivers (100 to 106) communicating with other transmitters / receivers by means of radiation patterns (110 to 116) generated by one or more antennas. In order to achieve good diversity gain, the transmitter / receiver antennas in the method of the invention are preferably used to generate two or more radiation patterns with identical power radiation patterns and different phase radiation patterns.

NO992807A 1996-12-10 1999-06-09 Procedure for diversity as well as base station equipment NO992807L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI964937A FI108762B (en) 1996-12-10 1996-12-10 Method for achieving diversity, and base station device
PCT/FI1997/000770 WO1998028861A2 (en) 1996-12-10 1997-12-09 Diversity method and base station equipment

Publications (2)

Publication Number Publication Date
NO992807D0 NO992807D0 (en) 1999-06-09
NO992807L true NO992807L (en) 1999-06-09

Family

ID=8547239

Family Applications (1)

Application Number Title Priority Date Filing Date
NO992807A NO992807L (en) 1996-12-10 1999-06-09 Procedure for diversity as well as base station equipment

Country Status (7)

Country Link
EP (1) EP0944965A2 (en)
JP (1) JP2001505750A (en)
CN (1) CN1240073A (en)
AU (1) AU727262B2 (en)
FI (1) FI108762B (en)
NO (1) NO992807L (en)
WO (1) WO1998028861A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69901605T2 (en) 1999-06-24 2002-10-31 Alcatel, Paris Diversity transmission in a mobile radio system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479448A (en) * 1992-03-31 1995-12-26 At&T Corp. Method and apparatus for providing antenna diversity
EP0647979B1 (en) * 1993-08-12 2002-10-23 Nortel Networks Limited Base station antenna arrangement
SE9402493L (en) * 1994-07-15 1996-01-16 Ericsson Telefon Ab L M Method in a diversity receiver
US5848103A (en) * 1995-10-04 1998-12-08 Lucent Technologies Inc. Method and apparatus for providing time diversity
CA2186793C (en) * 1995-11-13 2000-12-19 Vijitha Weerackody Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers

Also Published As

Publication number Publication date
WO1998028861A3 (en) 1998-08-27
AU5223698A (en) 1998-07-17
AU727262B2 (en) 2000-12-07
NO992807D0 (en) 1999-06-09
EP0944965A2 (en) 1999-09-29
WO1998028861A2 (en) 1998-07-02
CN1240073A (en) 1999-12-29
FI108762B (en) 2002-03-15
FI964937A (en) 1998-06-11
FI964937A0 (en) 1996-12-10
JP2001505750A (en) 2001-04-24

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application