BR0110002A - Equipamento para retransmitir sinais em um sistema de comunicação - Google Patents

Equipamento para retransmitir sinais em um sistema de comunicação

Info

Publication number
BR0110002A
BR0110002A BR0110002-5A BR0110002A BR0110002A BR 0110002 A BR0110002 A BR 0110002A BR 0110002 A BR0110002 A BR 0110002A BR 0110002 A BR0110002 A BR 0110002A
Authority
BR
Brazil
Prior art keywords
packet
receiving terminal
quality metric
communication system
equipment
Prior art date
Application number
BR0110002-5A
Other languages
English (en)
Other versions
BRPI0110002B1 (pt
Inventor
Ahmad Jalali
Eduardo A S Esteves
Nagabhushana T Sindhushayana
Peter J Black
Rashid A Attar
Original Assignee
Qualcomm 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24191316&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0110002(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0110002A publication Critical patent/BR0110002A/pt
Publication of BRPI0110002B1 publication Critical patent/BRPI0110002B1/pt

Links

Classifications

    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1692—Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809—Selective-repeat protocols
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1848—Time-out mechanisms
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1874—Buffer management
    • H04L1/1877—Buffer management for semi-reliable protocols, e.g. for less sensitive applications like streaming video
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/188—Time-out mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

"EQUIPAMENTO PARA RETRANSMITIR SINAIS EM UM SISTEMA DE COMUNICAçãO". Um terminal transmissor, transmite sinais em uma forma de pacote para um terminal receptor, se o pacote for destinado ao terminal receptor, se for esse o caso, o terminal receptor demodula o pacote. O terminal receptor então computa uma métrica de qualidade do pacote, e compara a métrica de qualidade computada com uma métrica de qualidade contida no pacote. Se as métricas de qualidade coincidirem, o pacote é enviado para processamento adicional. Se as métricas de qualidade falharem em coincidir, o terminal receptor envia uma solicitação para a retransmissão do pacote. O terminal transmissor determina qual pacote precisa ser retransmitido com base na solicitação de retransmissão. Se a entrega do pacote de acordo com uma descrição supra citada falhar, a retransmissão de acordo com os esquemas baseados em número de seq³ência convencionais, por exemplo, protocolo de link rádio, é tentada.
BRPI0110002A 2000-04-14 2001-04-13 equipamento para retransmitir sinais em um sistema de comunicação BRPI0110002B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/549,017 US6694469B1 (en) 2000-04-14 2000-04-14 Method and an apparatus for a quick retransmission of signals in a communication system
PCT/US2001/012227 WO2001080477A1 (en) 2000-04-14 2001-04-13 A method and an apparatus for a quick retransmission of signals in a communication system

Publications (2)

Publication Number Publication Date
BR0110002A true BR0110002A (pt) 2006-02-07
BRPI0110002B1 BRPI0110002B1 (pt) 2015-10-13

Family

ID=24191316

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0110002A BRPI0110002B1 (pt) 2000-04-14 2001-04-13 equipamento para retransmitir sinais em um sistema de comunicação

Country Status (18)

Country Link
US (4) US6694469B1 (pt)
EP (4) EP1273123B1 (pt)
JP (5) JP2003533078A (pt)
KR (1) KR100762768B1 (pt)
CN (1) CN1215672C (pt)
AT (1) ATE425604T1 (pt)
AU (2) AU2001253506B2 (pt)
BR (1) BRPI0110002B1 (pt)
CA (1) CA2406216C (pt)
DE (1) DE60137919D1 (pt)
ES (2) ES2321807T3 (pt)
IL (3) IL152215A0 (pt)
MX (1) MXPA02010152A (pt)
NO (1) NO20024910L (pt)
RU (2) RU2295833C2 (pt)
TW (1) TW507434B (pt)
UA (1) UA74181C2 (pt)
WO (1) WO2001080477A1 (pt)

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RU2006141340A (ru) 2008-05-27
EP2312786B1 (en) 2019-08-21
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US20100046497A1 (en) 2010-02-25
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