SG44555A1 - Diversity antenna structure having closely-positioned antennas - Google Patents

Diversity antenna structure having closely-positioned antennas

Info

Publication number
SG44555A1
SG44555A1 SG1996002150A SG1996002150A SG44555A1 SG 44555 A1 SG44555 A1 SG 44555A1 SG 1996002150 A SG1996002150 A SG 1996002150A SG 1996002150 A SG1996002150 A SG 1996002150A SG 44555 A1 SG44555 A1 SG 44555A1
Authority
SG
Singapore
Prior art keywords
closely
antenna structure
diversity antenna
positioned antennas
antennas
Prior art date
Application number
SG1996002150A
Other languages
English (en)
Inventor
Louis J Vannatta
James P Phillips
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of SG44555A1 publication Critical patent/SG44555A1/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
    • H04B7/04—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in 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
    • H04B7/0817—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 multiple receivers and antenna path selection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
SG1996002150A 1992-12-22 1993-12-07 Diversity antenna structure having closely-positioned antennas SG44555A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/995,113 US5463406A (en) 1992-12-22 1992-12-22 Diversity antenna structure having closely-positioned antennas

Publications (1)

Publication Number Publication Date
SG44555A1 true SG44555A1 (en) 1997-12-19

Family

ID=25541411

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996002150A SG44555A1 (en) 1992-12-22 1993-12-07 Diversity antenna structure having closely-positioned antennas

Country Status (10)

Country Link
US (1) US5463406A (de)
JP (1) JPH07504313A (de)
CN (1) CN1028827C (de)
BR (1) BR9305939A (de)
CA (1) CA2128883C (de)
DE (2) DE4396911T1 (de)
FR (1) FR2699743B1 (de)
GB (1) GB2278500B (de)
SG (1) SG44555A1 (de)
WO (1) WO1994015378A1 (de)

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Also Published As

Publication number Publication date
DE4396911T1 (de) 1995-01-26
JPH07504313A (ja) 1995-05-11
GB2278500A (en) 1994-11-30
US5463406A (en) 1995-10-31
CN1090952A (zh) 1994-08-17
CN1028827C (zh) 1995-06-07
GB9414948D0 (en) 1994-09-21
GB2278500B (en) 1996-11-13
FR2699743B1 (fr) 1995-06-23
BR9305939A (pt) 1997-08-26
CA2128883C (en) 1997-10-14
FR2699743A1 (fr) 1994-06-24
CA2128883A1 (en) 1994-07-07
DE4396911C2 (de) 1998-09-17
WO1994015378A1 (en) 1994-07-07

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