ATE418188T1 - Verfahren und vorrichtung zur diversitätsumschaltung von empfangsantennen - Google Patents

Verfahren und vorrichtung zur diversitätsumschaltung von empfangsantennen

Info

Publication number
ATE418188T1
ATE418188T1 AT04737888T AT04737888T ATE418188T1 AT E418188 T1 ATE418188 T1 AT E418188T1 AT 04737888 T AT04737888 T AT 04737888T AT 04737888 T AT04737888 T AT 04737888T AT E418188 T1 ATE418188 T1 AT E418188T1
Authority
AT
Austria
Prior art keywords
antenna
signal strength
preamble
packet
signal
Prior art date
Application number
AT04737888T
Other languages
English (en)
Inventor
Aryan Saed
Phil Guillemette
Original Assignee
Zarbana Digital Fund Llc
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 Zarbana Digital Fund Llc filed Critical Zarbana Digital Fund Llc
Application granted granted Critical
Publication of ATE418188T1 publication Critical patent/ATE418188T1/de

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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0808—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 antenna selection with single receiver and antenna switching comparing all antennas before reception
    • H04B7/0811—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 antenna selection with single receiver and antenna switching comparing all antennas before reception during preamble or gap period
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0805—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 antenna selection with single receiver and antenna switching
    • H04B7/0814—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 antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
AT04737888T 2003-06-30 2004-06-23 Verfahren und vorrichtung zur diversitätsumschaltung von empfangsantennen ATE418188T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/610,454 US7359692B2 (en) 2003-06-30 2003-06-30 Method of and device for antennae diversity switching

Publications (1)

Publication Number Publication Date
ATE418188T1 true ATE418188T1 (de) 2009-01-15

Family

ID=33541152

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04737888T ATE418188T1 (de) 2003-06-30 2004-06-23 Verfahren und vorrichtung zur diversitätsumschaltung von empfangsantennen

Country Status (7)

Country Link
US (2) US7359692B2 (de)
EP (1) EP1642401B1 (de)
JP (1) JP4823058B2 (de)
CN (1) CN1883134B (de)
AT (1) ATE418188T1 (de)
DE (1) DE602004018498D1 (de)
WO (1) WO2005002084A1 (de)

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Also Published As

Publication number Publication date
US7359692B2 (en) 2008-04-15
JP4823058B2 (ja) 2011-11-24
EP1642401A1 (de) 2006-04-05
CN1883134A (zh) 2006-12-20
US7729677B2 (en) 2010-06-01
DE602004018498D1 (de) 2009-01-29
EP1642401B1 (de) 2008-12-17
US20040266374A1 (en) 2004-12-30
JP2007505515A (ja) 2007-03-08
CN1883134B (zh) 2012-07-04
US20080144753A1 (en) 2008-06-19
WO2005002084A8 (en) 2005-06-02
WO2005002084A1 (en) 2005-01-06

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