DE602005022263D1 - Synchronisierte broadcast-/multicast-kommunikation - Google Patents

Synchronisierte broadcast-/multicast-kommunikation

Info

Publication number
DE602005022263D1
DE602005022263D1 DE602005022263T DE602005022263T DE602005022263D1 DE 602005022263 D1 DE602005022263 D1 DE 602005022263D1 DE 602005022263 T DE602005022263 T DE 602005022263T DE 602005022263 T DE602005022263 T DE 602005022263T DE 602005022263 D1 DE602005022263 D1 DE 602005022263D1
Authority
DE
Germany
Prior art keywords
multicast communication
synchronized broadcast
synchronized
broadcast
multicast
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.)
Active
Application number
DE602005022263T
Other languages
English (en)
Inventor
Matthew S Grob
Peter J Black
Srikant Jayaraman
Paul E Jacobs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 DE602005022263D1 publication Critical patent/DE602005022263D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Small-Scale Networks (AREA)
  • Radio Relay Systems (AREA)
DE602005022263T 2004-01-20 2005-01-20 Synchronisierte broadcast-/multicast-kommunikation Active DE602005022263D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53795504P 2004-01-20 2004-01-20
PCT/US2005/001591 WO2005071867A2 (en) 2004-01-20 2005-01-20 Synchronized broadcast/multicast communication

Publications (1)

Publication Number Publication Date
DE602005022263D1 true DE602005022263D1 (de) 2010-08-26

Family

ID=34807148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005022263T Active DE602005022263D1 (de) 2004-01-20 2005-01-20 Synchronisierte broadcast-/multicast-kommunikation

Country Status (26)

Country Link
US (4) US8363697B2 (de)
JP (4) JP4777907B2 (de)
KR (3) KR101129205B1 (de)
CN (4) CN102300162B (de)
AU (2) AU2005207338B2 (de)
BG (1) BG109346A (de)
BR (1) BRPI0504407A (de)
CA (1) CA2525239C (de)
CZ (1) CZ2005704A3 (de)
DE (1) DE602005022263D1 (de)
DK (1) DK1658688T3 (de)
EC (1) ECSP056176A (de)
ES (2) ES2348415T3 (de)
HU (1) HUE026306T2 (de)
IL (2) IL171796A (de)
MX (1) MXPA05012687A (de)
NO (1) NO20055252L (de)
NZ (3) NZ571456A (de)
PL (1) PL380449A1 (de)
PT (2) PT1658688E (de)
RU (1) RU2379840C2 (de)
TR (1) TR200504827T2 (de)
TW (2) TWI367640B (de)
UA (1) UA95437C2 (de)
WO (1) WO2005071867A2 (de)
ZA (1) ZA200509101B (de)

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US20110134967A1 (en) 2011-06-09
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JP5426003B2 (ja) 2014-02-26
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US8737538B2 (en) 2014-05-27
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KR20110122753A (ko) 2011-11-10
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