BRPI0511869A - soft handoff para link reverso em um sistema de comunicação sem fio com reuso em freqüência - Google Patents

soft handoff para link reverso em um sistema de comunicação sem fio com reuso em freqüência

Info

Publication number
BRPI0511869A
BRPI0511869A BRPI0511869-7A BRPI0511869A BRPI0511869A BR PI0511869 A BRPI0511869 A BR PI0511869A BR PI0511869 A BRPI0511869 A BR PI0511869A BR PI0511869 A BRPI0511869 A BR PI0511869A
Authority
BR
Brazil
Prior art keywords
server
sectors
terminal
sector
reverse link
Prior art date
Application number
BRPI0511869-7A
Other languages
English (en)
Inventor
Avneesh Agrawal
Edward Harrison Teague
Tingfang Ji
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 BRPI0511869A publication Critical patent/BRPI0511869A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • 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) or 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
    • H04L5/0001—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) or DMT
    • H04L5/0012—Hopping in multicarrier systems
    • 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
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H04W36/185—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection using make before break
    • 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
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

SOFT HANDOFF PARA LINK REVERSO EM UM SISTEMA DE COMUNICAçãO SEM FIO COM REUSO DE FREQüêNCIA Para soft handoff no link reverso com reuso restrito, um terminal sem fio procura pilotos transmitidos pelos setores em um sistema sem fio, mede os pilotos detectados, seleciona um setor servidor (por exemplo, o setor recebido mais forte, e identifica setores não-servidores que podem receber elevada interferência a partir do terminal. O setor servidor designa o terminal com a sub-banda(s) que é utilizável pelo setor servidor e não é utilizável pelo setor não-servidor. O terminal transmite os símbolos de dados nas sub-bandas atribuídas aos setores servidores e não-servidores. Esses setores processam a transmissão de link reverso a partir do terminal e obtém símbolos de decisão soft, que são estimativas dos símbolos de dados transmitidos. Os símbolos de decisão soft a partir de setores co-localizados podem ser combinados e então decodificados para se obter pacotes decodificados. Os setores também podem decodificar independentemente os símbolos de decisão soft, e os pacotes decodificados a partir desses setores podem ser combinados para se obter os pacotes decodificados finais para o terminal.
BRPI0511869-7A 2004-06-08 2005-06-08 soft handoff para link reverso em um sistema de comunicação sem fio com reuso em freqüência BRPI0511869A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US57821304P 2004-06-08 2004-06-08
US10/969,158 US7437164B2 (en) 2004-06-08 2004-10-20 Soft handoff for reverse link in a wireless communication system with frequency reuse
PCT/US2005/020180 WO2005122628A1 (en) 2004-06-08 2005-06-08 Soft handoff for reverse link in a wireless communication system with frequency reuse

Publications (1)

Publication Number Publication Date
BRPI0511869A true BRPI0511869A (pt) 2008-01-15

Family

ID=34972293

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0511869-7A BRPI0511869A (pt) 2004-06-08 2005-06-08 soft handoff para link reverso em um sistema de comunicação sem fio com reuso em freqüência

Country Status (14)

Country Link
US (1) US7437164B2 (pt)
EP (1) EP1759557B1 (pt)
JP (1) JP4505506B2 (pt)
KR (1) KR100909522B1 (pt)
CN (1) CN101002496B (pt)
AT (1) ATE522114T1 (pt)
AU (1) AU2005253606C1 (pt)
BR (1) BRPI0511869A (pt)
CA (1) CA2569806C (pt)
IL (1) IL179898A0 (pt)
MX (1) MXPA06014306A (pt)
RU (1) RU2341022C2 (pt)
TW (1) TWI372572B (pt)
WO (1) WO2005122628A1 (pt)

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Also Published As

Publication number Publication date
KR20070022144A (ko) 2007-02-23
US20050271012A1 (en) 2005-12-08
EP1759557B1 (en) 2011-08-24
JP4505506B2 (ja) 2010-07-21
KR100909522B1 (ko) 2009-07-27
TWI372572B (en) 2012-09-11
RU2341022C2 (ru) 2008-12-10
CN101002496A (zh) 2007-07-18
US7437164B2 (en) 2008-10-14
AU2005253606A1 (en) 2005-12-22
WO2005122628A1 (en) 2005-12-22
ATE522114T1 (de) 2011-09-15
CA2569806C (en) 2012-11-06
TW200614835A (en) 2006-05-01
CN101002496B (zh) 2012-08-08
JP2008502284A (ja) 2008-01-24
CA2569806A1 (en) 2005-12-22
AU2005253606C1 (en) 2009-10-01
AU2005253606B2 (en) 2009-04-30
MXPA06014306A (es) 2007-03-12
IL179898A0 (en) 2007-05-15
RU2006146672A (ru) 2008-07-20
EP1759557A1 (en) 2007-03-07

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