SG45517A1 - Radio subscriber unit having a switched antenna diversity apparatus and method therefor - Google Patents

Radio subscriber unit having a switched antenna diversity apparatus and method therefor

Info

Publication number
SG45517A1
SG45517A1 SG1996011405A SG1996011405A SG45517A1 SG 45517 A1 SG45517 A1 SG 45517A1 SG 1996011405 A SG1996011405 A SG 1996011405A SG 1996011405 A SG1996011405 A SG 1996011405A SG 45517 A1 SG45517 A1 SG 45517A1
Authority
SG
Singapore
Prior art keywords
subscriber unit
method therefor
antenna diversity
radio subscriber
switched antenna
Prior art date
Application number
SG1996011405A
Other languages
English (en)
Inventor
Eugene J Bruckert
Richard K Vilmur
Randall W Rich
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 SG45517A1 publication Critical patent/SG45517A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/0874Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity 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
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0857Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/0871Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
SG1996011405A 1995-11-29 1996-11-22 Radio subscriber unit having a switched antenna diversity apparatus and method therefor SG45517A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/564,464 US6018651A (en) 1995-11-29 1995-11-29 Radio subscriber unit having a switched antenna diversity apparatus and method therefor

Publications (1)

Publication Number Publication Date
SG45517A1 true SG45517A1 (en) 1998-01-16

Family

ID=24254579

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996011405A SG45517A1 (en) 1995-11-29 1996-11-22 Radio subscriber unit having a switched antenna diversity apparatus and method therefor

Country Status (8)

Country Link
US (1) US6018651A (ja)
JP (1) JPH09181664A (ja)
KR (1) KR100211475B1 (ja)
AR (1) AR004796A1 (ja)
BR (1) BR9604625A (ja)
CA (1) CA2189720C (ja)
GB (1) GB2307832B (ja)
SG (1) SG45517A1 (ja)

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US7970367B1 (en) * 2003-11-26 2011-06-28 Quintic Holdings System for dual diversity receiver using switched LNAS
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Also Published As

Publication number Publication date
US6018651A (en) 2000-01-25
GB2307832B (en) 2000-01-26
CA2189720C (en) 2000-06-13
JPH09181664A (ja) 1997-07-11
AR004796A1 (es) 1999-03-10
KR970031456A (ko) 1997-06-26
GB9624101D0 (en) 1997-01-08
KR100211475B1 (ko) 1999-08-02
MX9605914A (es) 1998-05-31
GB2307832A (en) 1997-06-04
CA2189720A1 (en) 1997-05-30
BR9604625A (pt) 1998-06-23

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