[go: up one dir, main page]

Karol et al., 2002 - Google Patents

Time-frequency-code slicing: efficiently allocating the communications spectrum to multirate users

Karol et al., 2002

View PDF
Document ID
11816253348922526037
Author
Karol M
Haas Z
Woodworth C
Gitlin R
Publication year
Publication venue
IEEE transactions on vehicular technology

External Links

Snippet

The time-frequency-code slicing technique allows multiple users with different data-rate requirements access to a communications resource in a manner that is cost effective over a wide range of access rates. For Instance, with a time-frequency slicing (TFS) approach …
Continue reading at people.ece.cornell.edu (PDF) (other versions)

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2608Allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/023Multiplexing of multicarrier modulation signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0016Time-frequency-code
    • H04L5/0021Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025Transmission of mode-switching indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667Details 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 for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2621Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems
    • H04L12/56Packet switching systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems

Similar Documents

Publication Publication Date Title
CA2145700C (en) System and method for optimizing spectral efficiency using time-frequency-code slicing
US6144696A (en) Spread spectrum bit allocation algorithm
JP3875369B2 (en) Mobile data communication method and apparatus
KR100700308B1 (en) Power Allocation and Rate Control Method of OPDMA System
KR101012922B1 (en) Frequency Hopping Design for IFDMA, LFDMA, and OPDMA Systems
US7417964B2 (en) Transmission apparatus and method for use in mobile communication system based on orthogonal frequency division multiplexing scheme
KR100643740B1 (en) Apparatus and method for pilot code pattern transmission / reception for base station classification in communication system using orthogonal frequency division multiplexing
JP4191731B2 (en) Wireless communication system and wireless communication method
RU2419204C2 (en) Pilot signals of detection for wireless communication systems
EP1411668A2 (en) Transmission of information on channel conditions
KR101445388B1 (en) Method of Transmitting Data using Repetition Coding
US20060189321A1 (en) System and method for allocating frequency resource in a multicell communication system
KR20000076810A (en) Orthogonal frequency division multiplexing based spread spectrum multiple access
WO2006011524A1 (en) Radio transmission device and radio reception device
JP2000286822A (en) Method for operating spread spectrum multiplex access wireless system for cellular orthogonal frequency division multiplex base
JP2005117579A (en) Radio transmitting apparatus, radio receiving apparatus, mobile communication system, and radio resource control method
CN101160762A (en) Wireless communication device and wireless communication method
Karol et al. Time-frequency-code slicing: efficiently allocating the communications spectrum to multirate users
KR20060125087A (en) Encoding / Decoding Device for Orthogonal Frequency Division Multiple Access Communication System and Its Design Method
US20060116077A1 (en) Exploiting multiuser diversity through phase modulation multiplexing
KR20070034905A (en) Frequency resource operating system and method in broadband wireless access communication system
US20050117548A1 (en) Nonblocking ovsf codes for 3g wireless and beyond systems
Raju et al. Orthogonal codes performance in multi-code CDMA
Woodworth et al. Spectrally efficient universal time slots using time-frequency-code slicing
Ryu et al. Performance of multicarrier CS/CDMA in frequency-selective Rayleigh fading channels