DK0760564T3 - Direkte tilgang i flerbærersystemer - Google Patents

Direkte tilgang i flerbærersystemer

Info

Publication number
DK0760564T3
DK0760564T3 DK96850137T DK96850137T DK0760564T3 DK 0760564 T3 DK0760564 T3 DK 0760564T3 DK 96850137 T DK96850137 T DK 96850137T DK 96850137 T DK96850137 T DK 96850137T DK 0760564 T3 DK0760564 T3 DK 0760564T3
Authority
DK
Denmark
Prior art keywords
direct access
carrier systems
carrier
systems
access
Prior art date
Application number
DK96850137T
Other languages
English (en)
Inventor
Bo Engstroem
Roger Larsson
Mattias Wahlqvist
Christer Oestberg
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Application granted granted Critical
Publication of DK0760564T3 publication Critical patent/DK0760564T3/da

Links

Classifications

    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/322—Power control of broadcast channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • 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
    • H04L5/003—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
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Noise Elimination (AREA)
  • Complex Calculations (AREA)
DK96850137T 1995-08-28 1996-07-11 Direkte tilgang i flerbærersystemer DK0760564T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9502963A SE515752C2 (sv) 1995-08-28 1995-08-28 Direktåtkomst i OFDM-system

Publications (1)

Publication Number Publication Date
DK0760564T3 true DK0760564T3 (da) 2004-07-05

Family

ID=20399295

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96850137T DK0760564T3 (da) 1995-08-28 1996-07-11 Direkte tilgang i flerbærersystemer

Country Status (6)

Country Link
US (1) US5909436A (da)
EP (1) EP0760564B1 (da)
DE (1) DE69631625T2 (da)
DK (1) DK0760564T3 (da)
NO (1) NO315629B1 (da)
SE (1) SE515752C2 (da)

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Also Published As

Publication number Publication date
EP0760564B1 (en) 2004-02-25
SE515752C2 (sv) 2001-10-08
NO315629B1 (no) 2003-09-29
NO963489L (no) 1997-03-03
US5909436A (en) 1999-06-01
EP0760564A2 (en) 1997-03-05
DE69631625D1 (de) 2004-04-01
SE9502963L (sv) 1997-03-01
DE69631625T2 (de) 2005-02-03
NO963489D0 (no) 1996-08-22
SE9502963D0 (sv) 1995-08-28
EP0760564A3 (en) 2000-05-03

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