[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Kucur et al., 1999 - Google Patents

Performance of scale-code division multiple access (SCDMA) over the asynchronous AWGN channel

Kucur et al., 1999

Document ID
9649311042163954968
Author
Kucur O
Atkin G
Publication year
Publication venue
1999 IEEE 49th Vehicular Technology Conference (Cat. No. 99CH36363)

External Links

Snippet

We present a new multirate/multimedia system, which we call scale-code division multiple access (SCDMA) that depends on the code, and time and scale orthogonality introduced by pseudo-noise (PN) sequences, and wavelets. Wavelets are used as an orthonormal set of …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • H04B1/7093Matched filter type
    • 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • 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
    • H04B1/69Spread spectrum techniques
    • H04B1/7163Spread spectrum techniques using impulse radio
    • H04B1/717Pulse-related aspects
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/10Code generation

Similar Documents

Publication Publication Date Title
CN100483958C (en) Comunication method of high data-rate wireless local network
US6850733B2 (en) Method for conveying application data with carrierless ultra wideband wireless signals
DE69735549T2 (en) COHERENT DEMODULATION WITH DECISION-ASSESSED CHANNEL ESTIMATION FOR DIGITAL TRANSMISSION
CN1094272C (en) Interference canceller equipment and interference cancelling method for use in multibeam-antenna communication system
DE69128927T2 (en) Subtractive code division demodulation circuit
JP3778969B2 (en) Method and apparatus for spread spectrum code pulse position modulation
Geraniotis Direct-sequence spread-spectrum multiple-access communications over nonselective and frequency-selective Rician fading channels
AU683694B2 (en) A method of generating a spread code
CN1106723C (en) Method and apparatus for spread-spectrum channel estimation
Fukumasa et al. Design of pseudonoise sequences with good odd and even correlation properties for DS/CDMA
CN1442969A (en) Method and equipment for inhibiting inteference in spread spectrum signal
CN1075911C (en) Automobile on-board and/or portable telephone system
US20050117628A1 (en) Method for generating communication signal sequences having desirable correlation properties and system for using same
Kucur et al. Performance of scale-code division multiple access (SCDMA) over the asynchronous AWGN channel
KR100464586B1 (en) Spread Spectrum Multiple Access Coding
JP4600779B2 (en) Matched filter for scalable spread spectrum communication systems
Kucur et al. A wavelet-based multirate/multimedia system
JP2005184812A (en) Method and receiver to communicate ultra wide bandwidth signal by using orthogonal frequency division multiplex modulation
Shufeng et al. Spread spectrum communication system performance analysis based on the complete complementary sequence
Kong et al. Design of new multi-code CDMA system based on SOC technique
CN1135727C (en) Method and device for decoding a code multiplex signal
CN101015132A (en) Pseudo noise coded communication systems
Azou et al. Design of a demodulator in a chaos-based spread spectrum communication system using dual Unscented Kalman Filters
CN1440134A (en) Multistage direct array spread spectrum communication
JPH07111495A (en) Method for spread spectrum communication and its transmitter and receiver