BRPI0508419A - controle de diversidade de recepção em múlti - antena em comunicações sem fio - Google Patents

controle de diversidade de recepção em múlti - antena em comunicações sem fio

Info

Publication number
BRPI0508419A
BRPI0508419A BRPI0508419-9A BRPI0508419A BRPI0508419A BR PI0508419 A BRPI0508419 A BR PI0508419A BR PI0508419 A BRPI0508419 A BR PI0508419A BR PI0508419 A BRPI0508419 A BR PI0508419A
Authority
BR
Brazil
Prior art keywords
mobile
diversity
mobile device
antenna reception
control
Prior art date
Application number
BRPI0508419-9A
Other languages
English (en)
Inventor
Brian Clarke Banister
Fatih Ulupinar
Gregory Alan Breit
Edward G Tiedemann Jr
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0508419A publication Critical patent/BRPI0508419A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • H04B7/0877—Hybrid systems, i.e. switching and combining using subgroups of receive antennas switching off a diversity branch, e.g. to save power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

CONTROLE DE DIVERSIDADE DE RECEPçãO POR MULTI-ANTENA EM COMUNICAçõES SEM FIO. Um dispositivo móvel compreende uma unidade receptora que possui pelo menos dois receptores para implementar a diversidade de recepção por multi-antena. Uma unidade de controle estima, no móvel, uma quantidade de utilização, por parte de um canal de tráfego do móvel, do total de capacidade de energia de transmissão em uma estação base. O móvel aplica a diversidade de recepção por multi-antena no dispositivo móvel com base na utilização de capacidade de energia. O móvel estima uma quantidade de energia que uma rede está transmitindo para o móvel com relação a uma referência piloto. Outros indicadores são baseados na qualidade de canal de tráfego entre o móvel e a rede, nos recursos de limitação de capacidade, em um número de setores em um soft handoff em um sistema sem fio, etc. Os indicadores são utilizados para controlar a aplicação da diversidade de recepção por multi-antena em um dispositivo móvel.
BRPI0508419-9A 2004-03-05 2005-03-04 controle de diversidade de recepção em múlti - antena em comunicações sem fio BRPI0508419A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US55075604P 2004-03-05 2004-03-05
US58390204P 2004-06-28 2004-06-28
PCT/US2005/007114 WO2005088864A1 (en) 2004-03-05 2005-03-04 Multi-antenna receive diversity control in wireless communications

Publications (1)

Publication Number Publication Date
BRPI0508419A true BRPI0508419A (pt) 2007-07-24

Family

ID=34961700

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0508419-9A BRPI0508419A (pt) 2004-03-05 2005-03-04 controle de diversidade de recepção em múlti - antena em comunicações sem fio

Country Status (11)

Country Link
US (1) US7454181B2 (pt)
EP (1) EP1726105B1 (pt)
JP (1) JP4482026B2 (pt)
KR (1) KR100809795B1 (pt)
BR (1) BRPI0508419A (pt)
CA (1) CA2558543A1 (pt)
IL (1) IL177885A0 (pt)
MX (1) MXPA06010071A (pt)
RU (1) RU2347316C2 (pt)
UA (1) UA83729C2 (pt)
WO (1) WO2005088864A1 (pt)

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Also Published As

Publication number Publication date
WO2005088864A1 (en) 2005-09-22
MXPA06010071A (es) 2006-12-15
US20050197079A1 (en) 2005-09-08
JP2007527674A (ja) 2007-09-27
US7454181B2 (en) 2008-11-18
CA2558543A1 (en) 2005-09-22
KR20060129527A (ko) 2006-12-15
KR100809795B1 (ko) 2008-03-07
RU2006135110A (ru) 2008-04-10
EP1726105A1 (en) 2006-11-29
UA83729C2 (uk) 2008-08-11
IL177885A0 (en) 2006-12-31
EP1726105B1 (en) 2012-12-05
RU2347316C2 (ru) 2009-02-20
JP4482026B2 (ja) 2010-06-16

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