Multi-Carrier Spread-Spectrum & Related Topics

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Khaled Fazel, S. Kaiser
Springer Science & Business Media, Feb 28, 2002 - Computers - 376 pages
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The benefits and success of multi-carrier (MC) modulation on one side and the flexibility offered by the spread spectrum (SS) technique on the other side has motivated many researchers to investigate the combination of both techniques since 1993. This combination, known as multi-carrier spread-spectrum (MC-SS), benefits from the main advantages of both systems and offers high flexibility, high spectral efficiency, simple detection strategies, narrow-band interference rejection capability, etc.. The basic principle of this combination is straightforward: The spreading is performed as direct sequence spread-spectrum (DS-SS) but instead of transmitting the chips over a single carrier, several sub-carriers could be employed. The MC modulation and demodulation can easily be realized in the digital domain by performing IFFT and FFT operations. The separation of the users' signals could be performed in the code domain. This means that the MC-SS system performs the spreading in the frequency domain, which allows for simple signal detection strategies. Since 1993, MCSS has been deeply studied and new alternative solutions have been proposed. Meanwhile, deep system analysis and comparison with DS-CDMA have been performed that show the superiority of MC-CDMA. The aim of Multi-Carrier Spread-Spectrum & Related Topics is to edit the ensemble of the newest contributions and research results in this new field that will be presented during three days at the Third International Workshop on Multi-Carrier Spread-Spectrum (MC-SS) & Related Topics, held in Oberpfaffenhofen, Germany.
 

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Contents

H Sari
12
Does OFDM Really Prefer Frequency Selective Fading Channels?
35
Performance of Low Complex Antenna Diversity Techniques for Mobile
53
MultiCarrier CDMA for Air Traffic Control AirGround Communication
77
Potential and Benefits of the Spatial Dimension in Case of MCCDMA
99
Variable Spreading Factor Orthogonal Frequency and Code Division
113
Serial Code Concatenation with Complex Valued WalshHadamard Codes
131
On the Use of DMT and FMT for MCCDMA Systems
147
Optimization of Capacity Assignement in MCCDMA Transmission Systems
217
Capacity Enhancement of DSCDMA Downlink Through Multicarrier with
233
Downlink Performance of Randomized OFDM Access
249
Investigation on Using Channel Information of MCCDMA for PreRake
265
SYNCHRONIZATION AND CHANNNEL ESTIMATION
283
Joint Directions of Arrival and Delay Channel Characteristics Estimation
303
Comparison of Channel Estimation Techniques for a Single Carrier System
325
Filter Design Methodology Controlling the Impact on Bit Error Rate
345

DETECTION MULTIPLEXING INTERFERENCE CANCELLATION
165
F Bader S Zazo J M Borrallo
180
RateAdaptive Coded Multiuser OFDM for Downlink Wireless Systems
199
Joint Technique of PTS and Adaptive Clipping Level Control with Filtering
361
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About the author (2002)

Stefan Kaiser was the first researcher to address the institutional and legal aspects of the future air navigation systems in a pioneering thesis presented to the Institute of Air and Space Law, McGill University.

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