IT1313211B1 - Dispositivo ricetrasmittente a selezione modale. - Google Patents

Dispositivo ricetrasmittente a selezione modale.

Info

Publication number
IT1313211B1
IT1313211B1 IT1999MI001555A ITMI991555A IT1313211B1 IT 1313211 B1 IT1313211 B1 IT 1313211B1 IT 1999MI001555 A IT1999MI001555 A IT 1999MI001555A IT MI991555 A ITMI991555 A IT MI991555A IT 1313211 B1 IT1313211 B1 IT 1313211B1
Authority
IT
Italy
Prior art keywords
transceiver device
model selection
selection transceiver
model
transceiver
Prior art date
Application number
IT1999MI001555A
Other languages
English (en)
Inventor
Alessandro Coraiola
Original Assignee
Sirti 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 Sirti Spa filed Critical Sirti Spa
Priority to IT1999MI001555A priority Critical patent/IT1313211B1/it
Publication of ITMI991555A0 publication Critical patent/ITMI991555A0/it
Priority to AU59684/00A priority patent/AU5968400A/en
Priority to PCT/EP2000/004165 priority patent/WO2001006677A1/en
Publication of ITMI991555A1 publication Critical patent/ITMI991555A1/it
Application granted granted Critical
Publication of IT1313211B1 publication Critical patent/IT1313211B1/it

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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0682—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using phase diversity (e.g. phase sweeping)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Radar Systems Or Details Thereof (AREA)
IT1999MI001555A 1999-07-14 1999-07-14 Dispositivo ricetrasmittente a selezione modale. IT1313211B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT1999MI001555A IT1313211B1 (it) 1999-07-14 1999-07-14 Dispositivo ricetrasmittente a selezione modale.
AU59684/00A AU5968400A (en) 1999-07-14 2000-07-14 Modal selection transceiver device for tunnels
PCT/EP2000/004165 WO2001006677A1 (en) 1999-07-14 2000-07-14 Modal selection transceiver device for tunnels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI001555A IT1313211B1 (it) 1999-07-14 1999-07-14 Dispositivo ricetrasmittente a selezione modale.

Publications (3)

Publication Number Publication Date
ITMI991555A0 ITMI991555A0 (it) 1999-07-14
ITMI991555A1 ITMI991555A1 (it) 2001-01-14
IT1313211B1 true IT1313211B1 (it) 2002-06-17

Family

ID=11383341

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI001555A IT1313211B1 (it) 1999-07-14 1999-07-14 Dispositivo ricetrasmittente a selezione modale.

Country Status (3)

Country Link
AU (1) AU5968400A (it)
IT (1) IT1313211B1 (it)
WO (1) WO2001006677A1 (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02171037A (ja) * 1988-12-24 1990-07-02 Mitsubishi Electric Corp トンネル内での衛星通信方式
US5437055A (en) * 1993-06-03 1995-07-25 Qualcomm Incorporated Antenna system for multipath diversity in an indoor microcellular communication system
JPH09275369A (ja) * 1996-04-08 1997-10-21 Toyota Motor Corp 路車間通信装置

Also Published As

Publication number Publication date
ITMI991555A1 (it) 2001-01-14
WO2001006677A1 (en) 2001-01-25
AU5968400A (en) 2001-02-05
ITMI991555A0 (it) 1999-07-14

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