BRPI0416645A - método e aparelho para utilizar antena de feixe direcional em unidade de transmissão e recepção sem fio - Google Patents

método e aparelho para utilizar antena de feixe direcional em unidade de transmissão e recepção sem fio

Info

Publication number
BRPI0416645A
BRPI0416645A BRPI0416645-0A BRPI0416645A BRPI0416645A BR PI0416645 A BRPI0416645 A BR PI0416645A BR PI0416645 A BRPI0416645 A BR PI0416645A BR PI0416645 A BRPI0416645 A BR PI0416645A
Authority
BR
Brazil
Prior art keywords
wtru
signal quality
directional beam
beam antenna
reception unit
Prior art date
Application number
BRPI0416645-0A
Other languages
English (en)
Inventor
Ross L Lintelman
Michael James Lynch
Kevin Peter Johnson
Gregg Arthur Charlton
Carl Wang
Kambiz Casey Zangi
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of BRPI0416645A publication Critical patent/BRPI0416645A/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/088Hybrid systems, i.e. switching and combining using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/28Cell structures using beam steering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

"MéTODO E APARELHO PARA UTILIZAR ANTENA DE FEIXE DIRECIONAL EM UNIDADE DE TRANSMISSãO E RECEPçãO SEM FIO". é descrito um método e aparelho para utilizar antena direcional de feixe comutado em uma unidade de transmissão e recepção sem fio (WTRU). Um sistema de comunicação sem fio inclui uma célula servidora, uma célula vizinha e uma WTRU. A WTRU é configurada para gerar e dirigir um feixe direcional em uma série de direções. Após o registro da WTRU no sistema de comunicação sem fio, a WTRU recebe mensagens transmitidas pela célula servidora. A WTRU mede a qualidade de sinal de mensagens recebidas em cada uma dentre uma série de direções previamente determinadas enquanto dirige a antena de feixe direcional. A WTRU seleciona uma das direções específicas que possui a melhor qualidade de sinal. Como a WTRU move-se constantemente, a WTRU monitora a qualidade de sinal na direção selecionada e comuta para outra direção quando a qualidade de sinal em uma direção atual cair abaixo de limite previamente determinado.
BRPI0416645-0A 2003-11-24 2004-11-24 método e aparelho para utilizar antena de feixe direcional em unidade de transmissão e recepção sem fio BRPI0416645A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US52447103P 2003-11-24 2003-11-24
US52457903P 2003-11-24 2003-11-24
PCT/US2004/039598 WO2005050899A2 (en) 2003-11-24 2004-11-24 Method and apparatus for utilizing a directional beam antenna in a wireless transmit/receive unit

Publications (1)

Publication Number Publication Date
BRPI0416645A true BRPI0416645A (pt) 2007-01-16

Family

ID=34623202

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416645-0A BRPI0416645A (pt) 2003-11-24 2004-11-24 método e aparelho para utilizar antena de feixe direcional em unidade de transmissão e recepção sem fio

Country Status (14)

Country Link
US (2) US7460834B2 (pt)
EP (1) EP1695475A4 (pt)
JP (2) JP2007525878A (pt)
KR (2) KR20100006576A (pt)
AR (2) AR046714A1 (pt)
AU (3) AU2004311157B2 (pt)
BR (1) BRPI0416645A (pt)
CA (1) CA2546136A1 (pt)
IL (1) IL173961A0 (pt)
MX (1) MXPA06003804A (pt)
NO (1) NO20062902L (pt)
SG (1) SG148200A1 (pt)
TW (3) TWI256207B (pt)
WO (1) WO2005050899A2 (pt)

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