AR025839A1 - Metodo y aparato para comunicaciones que usa una pluralidad de intervalos de tiempo dentro de un espectro de frecuencia - Google Patents

Metodo y aparato para comunicaciones que usa una pluralidad de intervalos de tiempo dentro de un espectro de frecuencia

Info

Publication number
AR025839A1
AR025839A1 ARP000102253A ARP000102253A AR025839A1 AR 025839 A1 AR025839 A1 AR 025839A1 AR P000102253 A ARP000102253 A AR P000102253A AR P000102253 A ARP000102253 A AR P000102253A AR 025839 A1 AR025839 A1 AR 025839A1
Authority
AR
Argentina
Prior art keywords
link
slaves
master
communications
slave
Prior art date
Application number
ARP000102253A
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of AR025839A1 publication Critical patent/AR025839A1/es

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
    • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/715—Interference-related aspects
    • H04B2001/7154—Interference-related aspects with means for preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Se describe un método y un aparato para aplicar un enlace FH de banda angosta para comunicaciones de baja y media velocidad, y un canal estacionario debanda ancha para comunicaciones de alta velocidad (HS). Un amo y uno o más esclavos que comparten el mismo enlace FH pueden formar una picorred. El amo y losesclavos pueden realizar saltos de frecuencia sincronicamente de acuerdo a una secuencia pseudoaleatoria de saltos de frecuencia. Un amo puede controlartráfico en el enlace FH. Se puede establecer un enlace HS entre un amo y uno o más esclavos o entre dos esclavos. Una banda apropiada del espectro de radio esseleccionada adaptativamente basándose en las más bajas mediciones RSSI tanto en el amo como en el esclavo para establecer un enlaceHS sin utilizar un esquemade saltos de frecuencia. Un amo comparte su tiempo entre el esclavo HS sobre el enlace HS y los esclavos que permanecen en el enlace FH usando multiplexacionpor Division de Tiempo. Si el enlace HS usa una parte de la bandasobre la cual la picorred realiza saltos de frecuencia, el amo controla el tráfico de maneraque el enlace HS nunca sea visitado por el enlace FH. Si el enlace HS y el enlace FH no se superponen, luego no se requiere evitar los saltos de frecuencia. Elpar de esclavos HS permanece en contacto con el amo por medio de una senal de radiobaliza usada en el enlace FH. Periodicamente, los esclavos HS interrumpenlas comunicaciones HS para escuchar el enlace FH. El protocolo de radiobaliza incluye a esclavos que retornan del enlace HS al canal de la picorred. En unarealizacion alternativa, se incluye la comunicacion de esclavos sobre el enlace HS por un intervalo de tiempo. Los esclavos retornan automáticamente al enlaceFH después de la expiracion del intervalo de tiempo.
ARP000102253A 1999-05-10 2000-05-10 Metodo y aparato para comunicaciones que usa una pluralidad de intervalos de tiempo dentro de un espectro de frecuencia AR025839A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13340499P 1999-05-10 1999-05-10
US09/385,024 US6519460B1 (en) 1999-05-10 1999-08-30 Resource management in uncoordinated frequency hopping system

Publications (1)

Publication Number Publication Date
AR025839A1 true AR025839A1 (es) 2002-12-18

Family

ID=26831346

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000102253A AR025839A1 (es) 1999-05-10 2000-05-10 Metodo y aparato para comunicaciones que usa una pluralidad de intervalos de tiempo dentro de un espectro de frecuencia

Country Status (4)

Country Link
US (1) US6519460B1 (es)
AR (1) AR025839A1 (es)
CO (1) CO5290370A1 (es)
MY (1) MY126706A (es)

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Also Published As

Publication number Publication date
CO5290370A1 (es) 2003-06-27
US6519460B1 (en) 2003-02-11
MY126706A (en) 2006-10-31

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