BRPI0416150A - método e equipamento para varredura de canais de freqüência para candidatos a handoff enquanto se minimiza consumo de bateria - Google Patents

método e equipamento para varredura de canais de freqüência para candidatos a handoff enquanto se minimiza consumo de bateria

Info

Publication number
BRPI0416150A
BRPI0416150A BRPI0416150-5A BRPI0416150A BRPI0416150A BR PI0416150 A BRPI0416150 A BR PI0416150A BR PI0416150 A BRPI0416150 A BR PI0416150A BR PI0416150 A BRPI0416150 A BR PI0416150A
Authority
BR
Brazil
Prior art keywords
scanning
frequency channels
pilot
active
active pilot
Prior art date
Application number
BRPI0416150-5A
Other languages
English (en)
Inventor
Jing Liu
Jon James Anderson
Kurt William Otte
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 BRPI0416150A publication Critical patent/BRPI0416150A/pt
Publication of BRPI0416150A8 publication Critical patent/BRPI0416150A8/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment
    • 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)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

"MéTODO E APARELHO PARA VARREDURA DE CANAIS DE FREQüêNCIA PARA CANDIDATOS A HANDOFF ENQUANTO SE MINIMIZA O CONSUMO DE BATERIA". Técnicas de varredura de outros canais de frequência por estações base candidatas são descritas. Em um esquema, a varredura de outros canais de freqüência é realizada com base na qualidade de sinal recebido (por exemplo, Ec/Io de piloto) para uma estação base ativa que um dispositivo sem fio está monitorando por mensagens específicas de usuário e de overhead. A varredura é bypassada se a Ec/Io do piloto ativo exceder um limite alto e é realizada se Ec/Io de piloto ativo estiver entre o limite alto e um limite baixo. Em outro esquema, a varredura de outros canais de freqüência é realizada a uma taxa que é uma função da Ec/Io de piloto ativo. Em outro esquema adicional, a varredura de outros canais de freqüência é realizada com base na Ec/Io de piloto ativo e utilizando adicionalmente um temporizador adaptável. O temporizador é configurado para um valor inicial e depois disto ajustado por quantias variáveis determinadas pelas medições Ec/Io de piloto ativo.
BRPI0416150A 2003-11-04 2004-11-01 Método e equipamento para varredura de canais de freqüência para candidatos a handoff enquanto se minimiza consumo de bateria BRPI0416150A8 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51745103P 2003-11-04 2003-11-04
US56034204P 2004-04-06 2004-04-06
US10/859,800 US7215956B2 (en) 2003-11-04 2004-06-02 Method and apparatus for scanning frequency channels for handoff candidates while minimizing battery consumption
PCT/US2004/036539 WO2005046273A1 (en) 2003-11-04 2004-11-01 Method and apparatus for scanning frequency channels for handoff candidates while minimizing battery consumption

Publications (2)

Publication Number Publication Date
BRPI0416150A true BRPI0416150A (pt) 2007-01-09
BRPI0416150A8 BRPI0416150A8 (pt) 2017-12-19

Family

ID=34557393

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416150A BRPI0416150A8 (pt) 2003-11-04 2004-11-01 Método e equipamento para varredura de canais de freqüência para candidatos a handoff enquanto se minimiza consumo de bateria

Country Status (6)

Country Link
US (1) US7215956B2 (pt)
KR (1) KR100794571B1 (pt)
BR (1) BRPI0416150A8 (pt)
IL (1) IL175326A0 (pt)
TW (1) TWI358961B (pt)
WO (1) WO2005046273A1 (pt)

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Also Published As

Publication number Publication date
WO2005046273A1 (en) 2005-05-19
TWI358961B (en) 2012-02-21
IL175326A0 (en) 2006-09-05
US20050096053A1 (en) 2005-05-05
BRPI0416150A8 (pt) 2017-12-19
US7215956B2 (en) 2007-05-08
TW200529685A (en) 2005-09-01
KR20060101515A (ko) 2006-09-25
KR100794571B1 (ko) 2008-01-17

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