BRPI0511736A - sistema de comunicação sem fio com comprimento de prefixo cìclico configurável - Google Patents

sistema de comunicação sem fio com comprimento de prefixo cìclico configurável

Info

Publication number
BRPI0511736A
BRPI0511736A BRPI0511736-4A BRPI0511736A BRPI0511736A BR PI0511736 A BRPI0511736 A BR PI0511736A BR PI0511736 A BRPI0511736 A BR PI0511736A BR PI0511736 A BRPI0511736 A BR PI0511736A
Authority
BR
Brazil
Prior art keywords
cyclic prefix
transmission
configurable
length
prefix length
Prior art date
Application number
BRPI0511736-4A
Other languages
English (en)
Inventor
Avneesh Agrawal
Durga P Malladi
Anastasios Stamoulis
Ashok Mantravadi
Ramaswamy Murali
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=34971613&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0511736(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 BRPI0511736A publication Critical patent/BRPI0511736A/pt
Publication of BRPI0511736B1 publication Critical patent/BRPI0511736B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H04B7/2631—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for broadband transmission
    • 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
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • 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
    • H04L5/003—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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Transmission System (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Central Air Conditioning (AREA)

Abstract

SISTEMA DE COMUNICAçãO SEM FIO COM COMPRIMENTO DE PREFIXO CìCLICO CONFIGURáVEL Para transmitir dados de maneira a atenuar os efeitos prejudiciais do espalhamento por retardo, são inicialmente determinadas as áreas de cobertura esperadas para várias transmissões a serem enviadas em várias partições de tempo. Comprimentos de prefixo cíclico para estas transmissões são selecionados com base nas áreas de cobertura esperadas. O comprimento de prefixo cíclico para cada transmissão pode ser selecionado dentre um conjunto de comprimentos de prefixo cíclico permitidos com base na área de cobertura esperada para essa transmissão, no escalonamento de pilotos utilizado para a transmissão e assim por diante. Por exemplo, um comprimento de prefixo cíclico menor pode ser selecionado para cada transmissão local, e um comprimento de prefixo cíclico maior pode ser selecionado para cada transmissão de área ampla. Os comprimentos de prefixo cíclico selecionados podem ser sinalizados para os terminais. As transmissões são processadas (moduladas pela OFDM, por exemplo) com base nos comprimentos de prefixo cíclico selecionados. Os comprimentos de prefixo cíclico podem ser selecionados periodicamente, como, por exemplo, em cada super-quadro.
BRPI0511736-4A 2004-06-04 2005-06-03 sistema de comunicação sem fio com comprimento de prefixo cíclico configurável BRPI0511736B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US57708304P 2004-06-04 2004-06-04
US60/577,083 2004-06-04
PCT/US2005/019543 WO2005122517A1 (en) 2004-06-04 2005-06-03 Wireless communication system with configurable cyclic prefix length

Publications (2)

Publication Number Publication Date
BRPI0511736A true BRPI0511736A (pt) 2008-01-08
BRPI0511736B1 BRPI0511736B1 (pt) 2021-05-11

Family

ID=34971613

Family Applications (5)

Application Number Title Priority Date Filing Date
BRPI0511809-3A BRPI0511809A (pt) 2004-06-04 2005-06-03 multiplexação de sinais w-cdma e ofdm em um sistema de comunicação sem fio
BRPI0511811-5A BRPI0511811A (pt) 2004-06-04 2005-06-03 transmissão de informações de overhead para serviços de broadcast e multicast em um sistema de comunicação sem fio
BRPI0511810-7A BRPI0511810A (pt) 2004-06-04 2005-06-03 sistema de modulação multiportadora com diversidade de retardo cìclico
BRPI0511736-4A BRPI0511736B1 (pt) 2004-06-04 2005-06-03 sistema de comunicação sem fio com comprimento de prefixo cíclico configurável
BRPI0511735-6A BRPI0511735A (pt) 2004-06-04 2005-06-03 codificação e modulação para serviços de broadcast e multicast em um sistema de comunicação sem fio

Family Applications Before (3)

Application Number Title Priority Date Filing Date
BRPI0511809-3A BRPI0511809A (pt) 2004-06-04 2005-06-03 multiplexação de sinais w-cdma e ofdm em um sistema de comunicação sem fio
BRPI0511811-5A BRPI0511811A (pt) 2004-06-04 2005-06-03 transmissão de informações de overhead para serviços de broadcast e multicast em um sistema de comunicação sem fio
BRPI0511810-7A BRPI0511810A (pt) 2004-06-04 2005-06-03 sistema de modulação multiportadora com diversidade de retardo cìclico

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0511735-6A BRPI0511735A (pt) 2004-06-04 2005-06-03 codificação e modulação para serviços de broadcast e multicast em um sistema de comunicação sem fio

Country Status (22)

Country Link
US (6) US8582596B2 (pt)
EP (6) EP1752011A1 (pt)
JP (10) JP4612046B2 (pt)
KR (5) KR100914874B1 (pt)
CN (7) CN1993919B (pt)
AU (6) AU2005253594C1 (pt)
BR (5) BRPI0511809A (pt)
CA (6) CA2569456A1 (pt)
DK (1) DK1751906T3 (pt)
ES (1) ES2845145T3 (pt)
HK (2) HK1104715A1 (pt)
HU (1) HUE052544T2 (pt)
IL (6) IL179710A (pt)
MX (5) MXPA06013968A (pt)
MY (5) MY146305A (pt)
PL (1) PL1751906T3 (pt)
PT (1) PT1751906T (pt)
RU (6) RU2369031C2 (pt)
SI (1) SI1751906T1 (pt)
TW (6) TWI361014B (pt)
UA (5) UA85241C2 (pt)
WO (5) WO2005122627A1 (pt)

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