CA2176613C - Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile - Google Patents

Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile Download PDF

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Publication number
CA2176613C
CA2176613C CA002176613A CA2176613A CA2176613C CA 2176613 C CA2176613 C CA 2176613C CA 002176613 A CA002176613 A CA 002176613A CA 2176613 A CA2176613 A CA 2176613A CA 2176613 C CA2176613 C CA 2176613C
Authority
CA
Canada
Prior art keywords
demodulator
antennas
switch
signal quality
antenna
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
CA002176613A
Other languages
English (en)
Other versions
CA2176613A1 (fr
Inventor
Stanley E. Kay
John E. Corrigan, Iii
Lin-Nan Lee
Andrew Macdonald
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.)
AT&T MVPD Group LLC
Original Assignee
Hughes Electronics 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 Hughes Electronics Corp filed Critical Hughes Electronics Corp
Priority to CA002176613A priority Critical patent/CA2176613C/fr
Publication of CA2176613A1 publication Critical patent/CA2176613A1/fr
Application granted granted Critical
Publication of CA2176613C publication Critical patent/CA2176613C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04B7/0822—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 according to predefined selection scheme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002176613A 1996-05-14 1996-05-14 Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile Expired - Fee Related CA2176613C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002176613A CA2176613C (fr) 1996-05-14 1996-05-14 Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002176613A CA2176613C (fr) 1996-05-14 1996-05-14 Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile

Publications (2)

Publication Number Publication Date
CA2176613A1 CA2176613A1 (fr) 1997-11-15
CA2176613C true CA2176613C (fr) 2000-04-25

Family

ID=4158205

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002176613A Expired - Fee Related CA2176613C (fr) 1996-05-14 1996-05-14 Methode et appareil de selection adaptative d'antennes pour systeme de radiocommunication mobile

Country Status (1)

Country Link
CA (1) CA2176613C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015002877A3 (fr) * 2013-07-03 2015-02-26 Qualcomm Incorporated Réglage de sélection d'antenne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015002877A3 (fr) * 2013-07-03 2015-02-26 Qualcomm Incorporated Réglage de sélection d'antenne

Also Published As

Publication number Publication date
CA2176613A1 (fr) 1997-11-15

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