MX167843B - Metodo y aparato para recepcion multiple de señaledispersadas en el tiempo - Google Patents

Metodo y aparato para recepcion multiple de señaledispersadas en el tiempo

Info

Publication number
MX167843B
MX167843B MX023244A MX2324490A MX167843B MX 167843 B MX167843 B MX 167843B MX 023244 A MX023244 A MX 023244A MX 2324490 A MX2324490 A MX 2324490A MX 167843 B MX167843 B MX 167843B
Authority
MX
Mexico
Prior art keywords
signal
time
correlation
generate
aligned
Prior art date
Application number
MX023244A
Other languages
English (en)
Inventor
Joseph J Schuler
Alton P Werronen
Gerald P Labedz
Frederick G Atkinson
Duane C Rabe
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 MX167843B publication Critical patent/MX167843B/es

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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B7/0837—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 pre-detection combining
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • H04B7/0837—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 pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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
    • H04B7/0882—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 post-detection diversity
    • H04B7/0888—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 post-detection diversity with selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

La presente invención se refiere a un receptor mejorado para proporcionar recepción múltiple que tiene medios de correlación, para generar una primer y segunda señal de correlación de una primer y segunda señal dispersa en el tiempo, recibida en una primera y segunda ramificación de receptor, medios de re-alineamiento acoplados operativamente a los medios de co-relación, para generar una primer señal alineada al realinear coherentemente la primer señal dispersa en el tiempo, a una frecuencia de referencia, empleando cuando menos la primer señal de correlación y para generar una segunda señal alineada al realinar coherentemente la segunda señal dispersa en el tiempo a la frecuencia de referencia, empleando cuando menos la segunda señal de correlación y los medios generadores de señal, acoplados operativamente a los medios de realineamiento, para generar una señal derivada de las primeras y segundas señales alineadas, la mejora está caracterizada por: los medios de correlación que tienen medios para generar la primer señal de correlación, al correlacionar la primer señal dispersa en tiempo, recibida en la primer ramificación de receptor contra una referencia conocida y medios para generar la segunda señal de correlación, al correlacionar la segunda señal dispersa en tiempo recibida, en la segunda ramificación receptora contra la referencia conocida.
MX023244A 1989-11-13 1990-11-08 Metodo y aparato para recepcion multiple de señaledispersadas en el tiempo MX167843B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/435,650 US5031193A (en) 1989-11-13 1989-11-13 Method and apparatus for diversity reception of time-dispersed signals

Publications (1)

Publication Number Publication Date
MX167843B true MX167843B (es) 1993-04-15

Family

ID=23729244

Family Applications (1)

Application Number Title Priority Date Filing Date
MX023244A MX167843B (es) 1989-11-13 1990-11-08 Metodo y aparato para recepcion multiple de señaledispersadas en el tiempo

Country Status (12)

Country Link
US (1) US5031193A (es)
EP (1) EP0430481A3 (es)
JP (1) JP2715662B2 (es)
KR (1) KR950012827B1 (es)
CN (1) CN1017858B (es)
AU (1) AU638785B2 (es)
CA (1) CA2065739C (es)
CS (1) CS560890A3 (es)
MX (1) MX167843B (es)
PL (1) PL167072B1 (es)
PT (1) PT95871B (es)
WO (1) WO1991007829A1 (es)

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Also Published As

Publication number Publication date
EP0430481A3 (en) 1992-09-09
WO1991007829A1 (en) 1991-05-30
JP2715662B2 (ja) 1998-02-18
CA2065739C (en) 1996-09-24
JPH05501789A (ja) 1993-04-02
AU6887891A (en) 1991-06-13
EP0430481A2 (en) 1991-06-05
CA2065739A1 (en) 1991-05-14
KR920704448A (ko) 1992-12-19
CN1052014A (zh) 1991-06-05
AU638785B2 (en) 1993-07-08
KR950012827B1 (ko) 1995-10-21
CN1017858B (zh) 1992-08-12
CS560890A3 (en) 1992-04-15
US5031193A (en) 1991-07-09
PL167072B1 (pl) 1995-07-31
PT95871A (pt) 1992-10-30
PT95871B (pt) 1999-03-31
PL287739A1 (en) 1991-07-29

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