BRPI0909722A2 - redução de interferência de curto prazo em uma rede sem fio assíncrona - Google Patents

redução de interferência de curto prazo em uma rede sem fio assíncrona

Info

Publication number
BRPI0909722A2
BRPI0909722A2 BRPI0909722A BRPI0909722A BRPI0909722A2 BR PI0909722 A2 BRPI0909722 A2 BR PI0909722A2 BR PI0909722 A BRPI0909722 A BR PI0909722A BR PI0909722 A BRPI0909722 A BR PI0909722A BR PI0909722 A2 BRPI0909722 A2 BR PI0909722A2
Authority
BR
Brazil
Prior art keywords
short
wireless network
interference reduction
asynchronous wireless
term interference
Prior art date
Application number
BRPI0909722A
Other languages
English (en)
Inventor
Ravi Palanki
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 BRPI0909722A2 publication Critical patent/BRPI0909722A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • 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), 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0085—Timing of allocation when channel conditions change
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
BRPI0909722A 2008-03-28 2009-03-06 redução de interferência de curto prazo em uma rede sem fio assíncrona BRPI0909722A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4048108P 2008-03-28 2008-03-28
US4034708P 2008-03-28 2008-03-28
US7636608P 2008-06-27 2008-06-27
US12/390,132 US8594576B2 (en) 2008-03-28 2009-02-20 Short-term interference mitigation in an asynchronous wireless network
PCT/US2009/036406 WO2009120478A2 (en) 2008-03-28 2009-03-06 Short-term interference mitigation in an asynchronous wireless network

Publications (1)

Publication Number Publication Date
BRPI0909722A2 true BRPI0909722A2 (pt) 2015-10-06

Family

ID=40929608

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909722A BRPI0909722A2 (pt) 2008-03-28 2009-03-06 redução de interferência de curto prazo em uma rede sem fio assíncrona

Country Status (13)

Country Link
US (1) US8594576B2 (pt)
EP (1) EP2274945B1 (pt)
JP (2) JP5453388B2 (pt)
KR (1) KR101172613B1 (pt)
CN (1) CN101981998B (pt)
AU (1) AU2009228902B2 (pt)
BR (1) BRPI0909722A2 (pt)
CA (1) CA2718099A1 (pt)
IL (1) IL208017A0 (pt)
MX (1) MX2010010535A (pt)
SG (1) SG189717A1 (pt)
TW (1) TWI405485B (pt)
WO (1) WO2009120478A2 (pt)

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Also Published As

Publication number Publication date
KR101172613B1 (ko) 2012-08-09
CN101981998A (zh) 2011-02-23
TW201014409A (en) 2010-04-01
WO2009120478A3 (en) 2010-01-14
KR20110000675A (ko) 2011-01-04
JP5684362B2 (ja) 2015-03-11
JP2011518482A (ja) 2011-06-23
JP5453388B2 (ja) 2014-03-26
EP2274945B1 (en) 2019-02-06
CN101981998B (zh) 2015-08-05
MX2010010535A (es) 2010-11-05
US20090247084A1 (en) 2009-10-01
EP2274945A2 (en) 2011-01-19
US8594576B2 (en) 2013-11-26
JP2014064297A (ja) 2014-04-10
AU2009228902B2 (en) 2013-08-01
CA2718099A1 (en) 2009-10-01
IL208017A0 (en) 2010-12-30
SG189717A1 (en) 2013-05-31
WO2009120478A2 (en) 2009-10-01
TWI405485B (zh) 2013-08-11
AU2009228902A1 (en) 2009-10-01

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