BRPI0410212A - método e arranjo para detectar informação de sinal em uma rede de retransmissão sem fios, e, sistema de comunicação para retransmissão sem fios - Google Patents

método e arranjo para detectar informação de sinal em uma rede de retransmissão sem fios, e, sistema de comunicação para retransmissão sem fios

Info

Publication number
BRPI0410212A
BRPI0410212A BRPI0410212-6A BRPI0410212A BRPI0410212A BR PI0410212 A BRPI0410212 A BR PI0410212A BR PI0410212 A BRPI0410212 A BR PI0410212A BR PI0410212 A BRPI0410212 A BR PI0410212A
Authority
BR
Brazil
Prior art keywords
information
signal information
wireless relay
priori known
detected
Prior art date
Application number
BRPI0410212-6A
Other languages
English (en)
Inventor
Peter Larsson
Niklas Johansson
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 BRPI0410212A publication Critical patent/BRPI0410212A/pt
Publication of BRPI0410212B1 publication Critical patent/BRPI0410212B1/pt
Publication of BRPI0410212B8 publication Critical patent/BRPI0410212B8/pt

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
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • 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
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15592—Adapting at the relay station communication parameters for supporting cooperative relaying, i.e. transmission of the same data via direct - and relayed path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • 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
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • 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
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Small-Scale Networks (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

"MéTODO E ARRANJO PARA DETECTAR INFORMAçãO DE SINAL EM UMA REDE DE RETRANSMISSãO SEM FIOS, E, SISTEMA DE COMUNICAçãO PARA RETRANSMISSãO SEM FIOS". De acordo com a invenção, informação de sinal representativa de um primeiro conjunto de informação a ser transmitido mais de uma vez através de pelo menos uma ligação é armazenada como informação de sinal conhecida a priori. Isto poderia ser informação previamente recebida e/ou detectada, informação transmitida própria ou caso contrário informação de sinal pertinente disponível no nó. Informação de sinal representativa de um segundo conjunto de informação é recebida, em que uma transmissão do primeiro conjunto de informação interfere com a recepção do segundo conjunto de informação. Apesar da interferência, pelo menos parte do segundo conjunto de informação ainda pode ser detectada com êxito explorando a informação de sinal recebida e pelo menos parte da informação de sinal conhecida a priori previamente armazenada. A informação é detectada por cancelamento de interferência baseado na informação de sinal recebida e partes pertinentes da informação conhecida a priori. O conjunto de informação de sinal conhecida a priori é atualizado preferivelmente continuamente armazenando informação recentemente detectada.
BRPI0410212A 2003-05-15 2004-04-26 método e arranjo para detectar informação de sinal em uma rede de retransmissão sem fios BRPI0410212B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47042503P 2003-05-15 2003-05-15
US60/470,425 2003-05-15
PCT/SE2004/000633 WO2004102891A1 (en) 2003-05-15 2004-04-26 Interference cancellation in wireless relaying networks

Publications (3)

Publication Number Publication Date
BRPI0410212A true BRPI0410212A (pt) 2006-05-09
BRPI0410212B1 BRPI0410212B1 (pt) 2017-11-14
BRPI0410212B8 BRPI0410212B8 (pt) 2018-09-04

Family

ID=33452397

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0410212A BRPI0410212B8 (pt) 2003-05-15 2004-04-26 método e arranjo para detectar informação de sinal em uma rede de retransmissão sem fios

Country Status (11)

Country Link
US (1) US7336930B2 (pt)
EP (1) EP1625697B1 (pt)
JP (1) JP4771952B2 (pt)
KR (1) KR100712344B1 (pt)
CN (1) CN1826761B (pt)
BR (1) BRPI0410212B8 (pt)
ES (1) ES2395561T3 (pt)
PL (1) PL1625697T3 (pt)
RU (1) RU2340094C2 (pt)
WO (1) WO2004102891A1 (pt)
ZA (1) ZA200507981B (pt)

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CN1826761A (zh) 2006-08-30
WO2004102891A1 (en) 2004-11-25
KR100712344B1 (ko) 2007-05-02
BRPI0410212B1 (pt) 2017-11-14
JP4771952B2 (ja) 2011-09-14
RU2005139137A (ru) 2006-05-10
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US20060229017A1 (en) 2006-10-12
BRPI0410212B8 (pt) 2018-09-04
PL1625697T3 (pl) 2013-03-29
US7336930B2 (en) 2008-02-26
CN1826761B (zh) 2010-09-29
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