ES2028769T1 - Sistema para el suministro adaptivo de frecuencia de canal a un tunel. - Google Patents

Sistema para el suministro adaptivo de frecuencia de canal a un tunel.

Info

Publication number
ES2028769T1
ES2028769T1 ES199191890124T ES91890124T ES2028769T1 ES 2028769 T1 ES2028769 T1 ES 2028769T1 ES 199191890124 T ES199191890124 T ES 199191890124T ES 91890124 T ES91890124 T ES 91890124T ES 2028769 T1 ES2028769 T1 ES 2028769T1
Authority
ES
Spain
Prior art keywords
tunnel
frequency
frequency channel
downward
free space
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
ES199191890124T
Other languages
English (en)
Inventor
Peter Hans Dipl.-Ing. Fischer
Reinhold Ing. Leutgeb
Herbert Dipl.-Ing. Diemling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kapsch AG
Original Assignee
Kapsch AG
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 Kapsch AG filed Critical Kapsch AG
Publication of ES2028769T1 publication Critical patent/ES2028769T1/es
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

DISPOSITIVO PARA ABASTECER UN TUNEL (1) DE FORMA AJUSTABLE O UN PASO A DESNIVEL O SIMILARES, CON UN CANAL DE FRECUENCIA DESCENDENTE Y OTRO ASCENDENTE, EN UN SISTEMA DE RADIO MOVIL CON ALGUNOS CANALES DE FRECUENCIA DESCENDENTES, QUE RADIAN DESDE UNA ESTACION BASE (2) Y OTROS CANALES DE FRECUENCIA ASCENDENTES, QUE RADIAN DESDE UNA ESTACION MOVIL (3), CON LO QUE SE PREVEEN UN RECEPTOR DE SCANNER DE ESPACIO LIBRE (6, 10) , QUE EXPLORA EL CANAL DE FRECUENCIA DESCENDENTE EN EL ESPACIO LIBRE Y SE ENCLAVA PRIMERAMENTE EN UN CANAL DE FRECUENCIA DESCENDENTE LIBRE, UN EMISOR DE TUNEL (7, 11) CONECTADO CON UNA FRECUENCIA SINCRONICA AL RECEPTOR DE SCANNER DE ESPACIO LIBRE, QUE IRRADIA ESTE CANAL DE FRECUENCIA DESCENDENTE AL TUNEL, UN RECEPTOR DE SCANNER DE TUNEL (8, 12) QUE EXPLORA EL CANAL DE FRECUENCIA ASCENDENTE, RADIADO DESDE LA ESTACION MOVIL AL TUNEL Y ENCLAVADO EN UN CANAL DE FRECUENCIA ACTIVO Y UN EMISOR DE ESPACIO LIBRE (9, 13) CONECTADO CON FRECUENCIA SINCRONICA EL CUAL RADIA EL CANAL DE FRECUENCIA ASCENDENTE Y CON LO QUE SE INTRODUCE EL RECEPTOR DE SCANNER DEL TUNEL DENTRO DE ESTADOS ENCLAVADOS AL RECEPTOR DE SCANNER DE ESPACIO LIBRE EN EL CANAL DE FRECUENCIA DESCENDENTE.
ES199191890124T 1990-07-03 1991-06-17 Sistema para el suministro adaptivo de frecuencia de canal a un tunel. Pending ES2028769T1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0141490A AT394797B (de) 1990-07-03 1990-07-03 Adaptive tunnelversorgung

Publications (1)

Publication Number Publication Date
ES2028769T1 true ES2028769T1 (es) 1992-07-16

Family

ID=3513372

Family Applications (1)

Application Number Title Priority Date Filing Date
ES199191890124T Pending ES2028769T1 (es) 1990-07-03 1991-06-17 Sistema para el suministro adaptivo de frecuencia de canal a un tunel.

Country Status (8)

Country Link
EP (1) EP0465457A3 (es)
AT (1) AT394797B (es)
ES (1) ES2028769T1 (es)
FI (1) FI913176A (es)
GR (1) GR920300013T1 (es)
IE (1) IE912140A1 (es)
MC (1) MC2271A1 (es)
NO (1) NO178418C (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335345A1 (de) * 1993-10-16 1995-04-20 Sel Alcatel Ag Funkfeststation und Antennenanordnung zur Funkversorgung eines Tunnels
DE19950882C2 (de) * 1999-10-22 2001-10-18 Motorola Inc Kommunikationssystem für ein Gebiet mit eingeschränkten Empfangsmöglichkeiten
FR2879051B1 (fr) * 2004-12-03 2007-03-16 Tdf Sa Procede de transmission d'un signal de bande fm
GB0614543D0 (en) * 2006-07-21 2006-08-30 Vodafone Plc RF Distribution

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611139A (en) * 1970-02-25 1971-10-05 Us Navy Orthogonal mixer f{11 {0 f{11 {0 repeater
JPH0656977B2 (ja) * 1986-03-07 1994-07-27 日本電信電話株式会社 無線中継装置
GB8629159D0 (en) * 1986-12-05 1987-01-14 British Telecomm Mobile radio systems
GB8809602D0 (en) * 1988-04-22 1988-05-25 British Telecomm Mobile radio systems

Also Published As

Publication number Publication date
FI913176A0 (fi) 1991-06-28
NO912335D0 (no) 1991-06-17
IE912140A1 (en) 1992-01-15
EP0465457A2 (de) 1992-01-08
FI913176A (fi) 1992-01-04
GR920300013T1 (en) 1992-08-25
ATA141490A (de) 1991-11-15
NO178418C (no) 1996-03-20
EP0465457A3 (en) 1992-09-16
NO912335L (no) 1992-01-06
AT394797B (de) 1992-06-25
NO178418B (no) 1995-12-11
MC2271A1 (fr) 1993-04-26

Similar Documents

Publication Publication Date Title
BR9814501A (pt) Processo para determinar uma potência de transmissão para um transceptor em um sistema de radiocomunicação, e, estação base
ES2181570B1 (es) Metodo y sistema para comprobar la funcionalidad de canales de datos en un aparato de radio y el correspondiente sistema de estacion movil.
SE9601587D0 (sv) Förfarande och anordning för att överföra en kommunikationssignal mellan en kommunikationsenhet och en basplats
MY115210A (en) Optoelectronic semiconductor component
DK1256188T3 (da) Tilgangskanalstruktur for trådlöst kommunikationssystem
BR0103287A (pt) Esquema de antena adaptativa baseada em localização para aplicações de dados sem fio
NO993414L (no) Integrert antenne
AR013625A1 (es) Disposicion y metodo de comunicaciones sin cable.
FI921171A (fi) Cellulaertelefonnaet och foerfarande foer dess drift
ES2145830T3 (es) Equipamiento de instalacion de abonado para recibir datos en sentido descendente a alta velocidad por un sistema de television por cable y transmitir señales en sentido ascendente a velocidad mas baja por un canal separado.
ES2108711T3 (es) Procesador de datos radiofrecuencia para television por cable.
ES2100086T3 (es) Sistema doble de antenas distribuidas.
BR9306259A (pt) Sistema para radiocomunicação e sua aplicação
AR046455A1 (es) Un metodo y un sistema para proveer informacion de asignacion de canal utilizado para soportar canales ascendentes y descendentes
ATE526732T1 (de) Kommunikationssystem
DE59004235D1 (de) Strahlungserzeugendes Halbleiterbauelement.
ES2160400T3 (es) Dispositivo de comunicacion inalambrica y sistema que incorpora medios de determinacion de posicion.
AR040768A1 (es) Control de potencia de canales fisicos punto-multipunto
SE9604739L (sv) Mobil kommunikationsenhet jämte radiosändare för kommunikation med en dylik mobil kommunikationsenhet
FI92259B (fi) Järjestely vastaanotinantennin kunnon mittaamiseksi
ES2028769T1 (es) Sistema para el suministro adaptivo de frecuencia de canal a un tunel.
JPS5328308A (en) Countermeasure system for trouble o f mobile radio
DE60129723D1 (de) Hörgerät mit einem hochfrequenzempfänger
KR960019813A (ko) 양방향성 비전도 광 데이타 전송을 위한 반도체 장치
BR9811363A (pt) Processo para alocaçào de potência usada por uma estação transceptora de base em um sistema de telefone móvel, e, aparelho amplificador de potência de radiofrequência para alocação de potência fornecida em uma estação transceptora de base em um sistema de telefone móvel