AU2011240640B2 - Group transmissions in wireless local area networks - Google Patents

Group transmissions in wireless local area networks Download PDF

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Publication number
AU2011240640B2
AU2011240640B2 AU2011240640A AU2011240640A AU2011240640B2 AU 2011240640 B2 AU2011240640 B2 AU 2011240640B2 AU 2011240640 A AU2011240640 A AU 2011240640A AU 2011240640 A AU2011240640 A AU 2011240640A AU 2011240640 B2 AU2011240640 B2 AU 2011240640B2
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AU
Australia
Prior art keywords
frame
group
sounding
stas
sta
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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AU2011240640A
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English (en)
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AU2011240640A1 (en
Inventor
Sudheer A. Grandhi
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InterDigital Patent Holdings Inc
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InterDigital Patent Holdings Inc
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Publication date
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Publication of AU2011240640A1 publication Critical patent/AU2011240640A1/en
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Publication of AU2011240640B2 publication Critical patent/AU2011240640B2/en
Ceased legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2011240640A 2010-04-13 2011-04-13 Group transmissions in wireless local area networks Ceased AU2011240640B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US32361710P 2010-04-13 2010-04-13
US61/323,617 2010-04-13
US33240410P 2010-05-07 2010-05-07
US61/332,404 2010-05-07
US33434610P 2010-05-13 2010-05-13
US61/334,346 2010-05-13
PCT/US2011/032215 WO2011130344A1 (en) 2010-04-13 2011-04-13 Group transmissions in wireless local area networks

Publications (2)

Publication Number Publication Date
AU2011240640A1 AU2011240640A1 (en) 2012-11-08
AU2011240640B2 true AU2011240640B2 (en) 2016-09-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2011240640A Ceased AU2011240640B2 (en) 2010-04-13 2011-04-13 Group transmissions in wireless local area networks

Country Status (12)

Country Link
US (6) US9585043B2 (enExample)
EP (3) EP3261380A1 (enExample)
JP (3) JP2013526153A (enExample)
KR (1) KR101811075B1 (enExample)
CN (2) CN106230566B (enExample)
AU (1) AU2011240640B2 (enExample)
DK (2) DK2797357T3 (enExample)
ES (1) ES2513541T3 (enExample)
MX (1) MX2012011873A (enExample)
PL (1) PL2559288T3 (enExample)
TW (2) TWI552635B (enExample)
WO (1) WO2011130344A1 (enExample)

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* Cited by examiner, † Cited by third party
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