Multi-Carrier Spread-Spectrum

1. Front Matter

   Pages i-xvii

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2. General Issues

   1. Front Matter

      Pages 1-1

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   2. Broadband Wireless Access Based on VSF-OFCDM and VSCRF-CDMA and its Experiments

      • Hiroyuki Atarashi, Mamoru Sawahashi

      Pages 3-14

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   3. An OFDM Based System Proposal for 4G Downlinks

      • Arne Svensson, Anders Ahlén, Anna Brunstrom, Tony Ottosson, Mikael Sternad

      Pages 15-22

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   4. Channel Overloading in CDMA with Scalable Signature Sets and Turbo Detection

      • Frederik Vanhaverbeke, Marc Moeneclaey

      Pages 23-30

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   5. Virtual Subcarrier Assignment (VISA): Principle and Applications

      • Shinsuke Hara

      Pages 31-38

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   6. On Pilot-Symbol Aided Channel Estimation for MC-CDMA in the Presence of Cellular Interference

      • G. Auer, A. Dammann, S. Sand, S. Kaiser

      Pages 39-48

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   7. New 2D-MC-DS-SS-CDMA Techniques Based on Two-Dimensional Orthogonal Complete Complementary Codes

      • Matúš Turcsány, Peter Farkaš

      Pages 49-56

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   8. Performance of Multirate Transmission Schemes for MC-CDMA Systems

      • Zexian Li, Matti Latva-Aho

      Pages 57-64

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   9. Priority Swapping Subcarrier-User Allocation Technique for Adaptive Multicarrier Based Systems

      • E. Al-Susa, D. G. M. Cruickshank, S. Mclaughlin, Y. Lee

      Pages 65-72

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   10. Sub-Band Loading for Pre-Equalized Uplink OFDM-CDMA Systems

       • N. Benvenuto, P. Bisaglia, F. Tosato

       Pages 73-80

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   11. A Study on Subcarrier Power Control of OFDM Transmission Diversity Combined with Data Spreading

       • S. Kanamori, M. Itami, H. Ohta, K. Itoh

       Pages 81-88

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   12. Packet Re-Transmission Options for the SS-OFDM-F/TA System

       • Robert Novak, Witold A. Krzymień

       Pages 89-100

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   13. Comparison of Iterative Detection Schemes for MIMO Systems with Spreading based on OFDM

       • D. Y. Yacoub, M. A. Dangl, U. Marxmeier, W. G. Teich, J. Lindner

       Pages 101-111

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3. Coding, Modulation and Spreading

   1. Front Matter

      Pages 113-113

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   2. Turbo Product Codes for an Orthogonal Multicarrier DS-CDMA System

      • D. A. Guimarães, J. Portugheis

      Pages 115-122

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   3. Performance Evaluation of Diversity Gain and Coding Gain in Coded Orthogonal Multi-Carrier Modulation Systems

      • M. Fujii, M. Itami, K. Itoh

      Pages 123-131

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   4. Adaptive Coding in MC-CDMA/FDMA Systems with Adaptive Sub-Band Allocation

      • P. Trifonov, E. Costa, A. Filippi

      Pages 133-140

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   5. A study of Multicarrier CDMA Systems with Differential Modulation

      • Hongnian Xing, Markku Renfors

      Pages 141-150

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   6. Spreading Sequences for MC-CDMA Systems with Nonlinear Amplifier

      • M. Saito, T. Hara, T. Gima, M. Okada, H. Yamamoto

      Pages 151-158

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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 have 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 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 are 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 can be performed in the code domain. MC-SS systems can perform the spreading in frequency direction, which allows for simple signal detection strategies. Since 1993, MC-SS 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.

• Broadband Wireless Access
• Demodulation
• MIMO
• Modulation
• Phase
• Signal
• complexity
• integrated circuit
• network
• online
• radio
• transmission

• Radio System Engineering, Marconi Communications GmbH, Backnang, Germany

  Khaled Fazel

• Institute for Communications and Navigation, German Aerospace Center (DLR), Wessling, Germany

  Stefan Kaiser

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.

Policies and ethics