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TW376671B - Multiple antenna detecting and selecting - Google Patents

Multiple antenna detecting and selecting

Info

Publication number
TW376671B
TW376671B TW087107402A TW87107402A TW376671B TW 376671 B TW376671 B TW 376671B TW 087107402 A TW087107402 A TW 087107402A TW 87107402 A TW87107402 A TW 87107402A TW 376671 B TW376671 B TW 376671B
Authority
TW
Taiwan
Prior art keywords
signal
antennas
paths
processor
satellite
Prior art date
Application number
TW087107402A
Other languages
English (en)
Inventor
Gary Granata
Jamesh Thompson
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of TW376671B publication Critical patent/TW376671B/zh

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
    • 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
    • H04B7/0805—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
    • 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
    • H04B7/082—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 selecting best antenna path
    • 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
    • H04B7/0828—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 delay elements in antenna paths
    • 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
    • H04B7/0891—Space-time diversity
    • H04B7/0894—Space-time diversity using different delays between antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
TW087107402A 1997-05-13 1998-08-10 Multiple antenna detecting and selecting TW376671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/855,242 US6009307A (en) 1997-05-13 1997-05-13 Multiple antenna detecting and selecting

Publications (1)

Publication Number Publication Date
TW376671B true TW376671B (en) 1999-12-11

Family

ID=25320729

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087107402A TW376671B (en) 1997-05-13 1998-08-10 Multiple antenna detecting and selecting

Country Status (12)

Country Link
US (1) US6009307A (zh)
EP (2) EP1013002A2 (zh)
JP (1) JP2001525146A (zh)
KR (1) KR100585307B1 (zh)
CN (2) CN1142635C (zh)
AR (1) AR013345A1 (zh)
AU (1) AU750535B2 (zh)
BR (1) BR9809810A (zh)
MX (1) MXPA99010336A (zh)
TW (1) TW376671B (zh)
WO (1) WO1998052300A2 (zh)
ZA (1) ZA984043B (zh)

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US7024168B1 (en) * 1999-07-07 2006-04-04 Telefonaktiebolaget L M Ericsson (Publ) Controlled antenna diversity
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US6978117B2 (en) * 2002-03-25 2005-12-20 Visteon Global Technologies, Inc. RF AGC amplifier system for satellite/terrestrial radio receiver
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CN101039121B (zh) * 2006-03-15 2010-12-29 宏碁股份有限公司 无线信号接收系统及方法
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Also Published As

Publication number Publication date
CN1142635C (zh) 2004-03-17
WO1998052300A3 (en) 1999-04-22
EP2246994A2 (en) 2010-11-03
WO1998052300A2 (en) 1998-11-19
EP2246994A3 (en) 2010-11-24
BR9809810A (pt) 2000-06-27
AU750535B2 (en) 2002-07-18
CN1516358A (zh) 2004-07-28
AU7480998A (en) 1998-12-08
CN1278499C (zh) 2006-10-04
AR013345A1 (es) 2000-12-27
US6009307A (en) 1999-12-28
ZA984043B (en) 1998-11-20
KR100585307B1 (ko) 2006-06-01
EP1013002A2 (en) 2000-06-28
JP2001525146A (ja) 2001-12-04
MXPA99010336A (es) 2004-12-06
KR20010012421A (ko) 2001-02-15
CN1269075A (zh) 2000-10-04

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