NO963489D0 - Direkte adgang i system med ortogonal frekvensmultipleksering - Google Patents

Direkte adgang i system med ortogonal frekvensmultipleksering

Info

Publication number
NO963489D0
NO963489D0 NO963489A NO963489A NO963489D0 NO 963489 D0 NO963489 D0 NO 963489D0 NO 963489 A NO963489 A NO 963489A NO 963489 A NO963489 A NO 963489A NO 963489 D0 NO963489 D0 NO 963489D0
Authority
NO
Norway
Prior art keywords
orthogonal frequency
direct access
multiplexing system
frequency multiplexing
access
Prior art date
Application number
NO963489A
Other languages
English (en)
Other versions
NO315629B1 (no
NO963489L (no
Inventor
Bo Engstrom
Roger Larsson
Mattias Wahlqvist
Christer Ostberg
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
Publication of NO963489D0 publication Critical patent/NO963489D0/no
Publication of NO963489L publication Critical patent/NO963489L/no
Publication of NO315629B1 publication Critical patent/NO315629B1/no

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 signaling, i.e. of overhead other than pilot signals
    • 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
    • H04W52/322—Power control of broadcast channels
    • 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
    • H04W52/50—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), 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, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
NO19963489A 1995-08-28 1996-08-22 Direkte adgang i system med ortogonal frekvens NO315629B1 (no)

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 (3)

Publication Number Publication Date
NO963489D0 true NO963489D0 (no) 1996-08-22
NO963489L NO963489L (no) 1997-03-03
NO315629B1 NO315629B1 (no) 2003-09-29

Family

ID=20399295

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19963489A NO315629B1 (no) 1995-08-28 1996-08-22 Direkte adgang i system med ortogonal frekvens

Country Status (6)

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

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Also Published As

Publication number Publication date
DE69631625D1 (de) 2004-04-01
SE515752C2 (sv) 2001-10-08
SE9502963L (sv) 1997-03-01
DK0760564T3 (da) 2004-07-05
NO315629B1 (no) 2003-09-29
EP0760564A2 (en) 1997-03-05
US5909436A (en) 1999-06-01
NO963489L (no) 1997-03-03
DE69631625T2 (de) 2005-02-03
SE9502963D0 (sv) 1995-08-28
EP0760564B1 (en) 2004-02-25
EP0760564A3 (en) 2000-05-03

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