BR0005881A - Sistema e método para transmitir e receber de forma eficiente mensagens em uma rede de comunicação - Google Patents

Sistema e método para transmitir e receber de forma eficiente mensagens em uma rede de comunicação

Info

Publication number
BR0005881A
BR0005881A BR0005881-5A BR0005881A BR0005881A BR 0005881 A BR0005881 A BR 0005881A BR 0005881 A BR0005881 A BR 0005881A BR 0005881 A BR0005881 A BR 0005881A
Authority
BR
Brazil
Prior art keywords
rus
base station
data
uplink
messages
Prior art date
Application number
BR0005881-5A
Other languages
English (en)
Inventor
Eamonn Gormley
Original Assignee
At & T Wireless Services 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 At & T Wireless Services Inc filed Critical At & T Wireless Services Inc
Publication of BR0005881A publication Critical patent/BR0005881A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

<B>SISTEMA E MéTODO PARA TRANSMITIR E RECEBER DE FORMA EFICIENTE MENSAGENS EM UMA REDE DE COMUNICAçãO<D> é fornecido um método para múltiplas unidades remotas (RUs) utilizarem de forma eficiente recursos em um canal de dados de alta velocidade OFDM compartilhado sem colisões. Uma colisão ocorre quando duas ou mais RUs transmitem na mesma freq³ência ao mesmo tempo. O método define dois estados distintos para acessar o canal. Estes são o estado de Arbitragem e o estado de Transferência de Dados. Uma estação base transmite uma sinalização no enlace descendente para notificar as RUs sobre qual estado está em efeito. As RUs tendo uma mensagem de dados notificam a estação base transmitindo um tom de freq³ência, que atua como uma solicitação para transmitir dados, durante o estado de arbitragem. As freq³ências de tom são espaçadas em freq³ência para serem mutuamente ortogonais, de modo que a estação base possa receber todas as solicitações de enlace ascendente simultaneamente. Após receber os sinais de solicitação de enlace ascendente, a estação base estabelece o estado de transferência de dados e ordena as mensagens de dados de enlace ascendente das unidades remotas em uma seq³ência não interferente. Um sistema para evitar colisões de mensagens de dados de enlace ascendente em um sistema de comunicação OFDM também é fornecido.
BR0005881-5A 1999-12-17 2000-12-14 Sistema e método para transmitir e receber de forma eficiente mensagens em uma rede de comunicação BR0005881A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17241799P 1999-12-17 1999-12-17
US09/618,653 US6967937B1 (en) 1999-12-17 2000-07-18 Collision-free multiple access reservation scheme for multi-tone modulation links

Publications (1)

Publication Number Publication Date
BR0005881A true BR0005881A (pt) 2001-07-17

Family

ID=26868063

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0005881-5A BR0005881A (pt) 1999-12-17 2000-12-14 Sistema e método para transmitir e receber de forma eficiente mensagens em uma rede de comunicação

Country Status (5)

Country Link
US (1) US6967937B1 (pt)
EP (1) EP1109356B1 (pt)
JP (1) JP2001211189A (pt)
BR (1) BR0005881A (pt)
CA (1) CA2328054C (pt)

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Also Published As

Publication number Publication date
CA2328054A1 (en) 2001-06-17
EP1109356B1 (en) 2013-08-28
EP1109356A3 (en) 2001-08-29
US6967937B1 (en) 2005-11-22
CA2328054C (en) 2008-02-05
EP1109356A2 (en) 2001-06-20
JP2001211189A (ja) 2001-08-03

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B09B Patent application refused [chapter 9.2 patent gazette]

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