CO4700579A1 - TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND - Google Patents

TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND

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Publication number
CO4700579A1
CO4700579A1 CO97061749A CO97061749A CO4700579A1 CO 4700579 A1 CO4700579 A1 CO 4700579A1 CO 97061749 A CO97061749 A CO 97061749A CO 97061749 A CO97061749 A CO 97061749A CO 4700579 A1 CO4700579 A1 CO 4700579A1
Authority
CO
Colombia
Prior art keywords
given
signals
transmitting
individual channel
frequency band
Prior art date
Application number
CO97061749A
Other languages
Spanish (es)
Inventor
Bernard Bossard
Charles Brand
Original Assignee
Cellularvision Tech And Telecom Lp
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 Cellularvision Tech And Telecom Lp filed Critical Cellularvision Tech And Telecom Lp
Priority to CO97061749A priority Critical patent/CO4700579A1/en
Publication of CO4700579A1 publication Critical patent/CO4700579A1/en

Links

Abstract

Un método de transmitir una pluralidad de señales dentro de unabanda de frecuencias ancha dada desde una localización de transmisión, para recepción selectiva por el receptor de un abonado situado dentro de una célula, comprende: transmitir una primera pluralidad de señales a frecuencias de portadora respectivamente diferentes, dicha primera pluralidad de señales ocupa bandas de canal individual mutuamente exclusivas dentro de una banda ancha dada, y transmitir al menos una señal adicional dentro de otra banda de canales individual respectiva que se encuentra dentro de dicha banda ancha dada, siendo la suma de las anchuras de las bandas de canal individual mutuamente exclusivas y la otra banda de canal individual mayor que la banda ancha dada, la etapa de transmitir al menos una señal adicional comprende la transmisión con al menos dos características de diversidad diferentes de las características de la primera pluralidad de señales, dichas características de diversidad se seleccionan del grupo que incluye frecuencia de portadora, tipo de modulación y polarización de tal manera que un receptor en una localización dada que recibe la primera pluralidad de señales y dicha al menos una señal adicional pueda recibir selectivamente una cualquiera de las señales transmitidas.2Una disposición de transmisor que comprende: medios para transmitir una señal analógica usando una frecuencia de portadora dada, desde una localización dada, con una polarización dada, dicha señal analógica ocupa sustancialmente la totalidad de una banda de frecuencias, y medios que incluyen al menos una antena para transmitir al menos una señal digital que utiliza una primera frecuencia de portadora que está dentro de dicha banda de frecuencias, desde aproximadamente dicha localización dada, con dicha polarización dada, la señal digital ocupa una parte de dicha banda de frecuencias totalmente a un lado de la frecuencia de portadora para la señal analógica,... digital, yA method of transmitting a plurality of signals within a given wide frequency band from a transmission location, for selective reception by the receiver of a subscriber located within a cell, comprises: transmitting a first plurality of signals at respectively different carrier frequencies , said first plurality of signals occupy mutually exclusive individual channel bands within a given broadband, and transmit at least one additional signal within another respective individual channel band that lies within said given broadband, the sum of the widths of the mutually exclusive individual channel bands and the other individual channel band greater than the given broadband, the step of transmitting at least one additional signal comprises transmission with at least two different diversity characteristics from the characteristics of the first plurality of signals, these diversity characteristics they are selected from the group that includes carrier frequency, modulation type, and polarization such that a receiver at a given location that receives the first plurality of signals and said at least one additional signal can selectively receive any one of the transmitted signals. transmitter arrangement comprising: means for transmitting an analog signal using a given carrier frequency, from a given location, with a given polarization, said analog signal occupying substantially the whole of a frequency band, and means including at least one antenna to transmit at least one digital signal using a first carrier frequency that is within said frequency band, from approximately said given location, with said given polarization, the digital signal occupies a part of said frequency band entirely to one side of the carrier frequency for the analog signal, ... digit al and

CO97061749A 1997-10-21 1997-10-21 TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND CO4700579A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CO97061749A CO4700579A1 (en) 1997-10-21 1997-10-21 TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CO97061749A CO4700579A1 (en) 1997-10-21 1997-10-21 TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND

Publications (1)

Publication Number Publication Date
CO4700579A1 true CO4700579A1 (en) 1998-12-29

Family

ID=40930111

Family Applications (1)

Application Number Title Priority Date Filing Date
CO97061749A CO4700579A1 (en) 1997-10-21 1997-10-21 TRANSMISSION OF DIGITAL AND ANALOG SIGNALS IN THE SAME BAND

Country Status (1)

Country Link
CO (1) CO4700579A1 (en)

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