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Multi-Carrier Spread-Spectrum : For Future Generation Wireless Systems, Fourth International Workshop, Germany, September 17-19, 2003 - Khaled Fazel

Multi-Carrier Spread-Spectrum

For Future Generation Wireless Systems, Fourth International Workshop, Germany, September 17-19, 2003

By: Khaled Fazel (Editor), Stefan Kaiser (Editor)

Hardcover Published: 31st December 2003
ISBN: 9781402018374
Number Of Pages: 516

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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.

Editorial Introduction
Broadband Wireless Access Based on VSF-OFCDM and VSCRF-CDMA and its Experimentsp. 3
An OFDM Based System Proposal for 4G Downlinksp. 15
Channel Overloading in CDMA with Scalable Signature Sets and Turbo Detectionp. 23
Virtual Subcarrier Assignment (VISA): Principle and Applicationsp. 31
On Pilot-Symbol Aided Channel Estimation for MC-CDMA in the Presence of Cellular Interferencep. 39
New 2D-MC-DS-SS-CDMA Techniques based on Two-dimensional Orthogonal Complete Complementary Codesp. 49
Performance of Multirate Transmission Schemes for MC-CDMA Systemsp. 57
Priority Swapping Subcarrier-User Allocation Technique for Adaptive Multi carrier Based Systemsp. 65
Sub-band Loading for Pre-Equalized Uplink OFDM-CDMA Systemsp. 73
A Study on Subcarrier Power Control of OFDM Transmission Diversity combined with Data Spreadingp. 81
Packet Re-Transmission Options for the SS-OFDM-F/TA Systemp. 89
Comparison of Iterative Detection Schemes for MIMO Systems with Spreading Based on OFDMp. 101
Turbo Product Codes for an Orthogonal Multicarrier DS-CDMA Systemp. 115
Performance Evaluation of Diversity Gain and Coding Gain in Coded Orthogonal Multi-Carrier Modulation Systemsp. 123
Adaptive Coding in MC-CDMA/FDM Systems with Adaptive Sub-Band Allocationp. 133
A Study of Multicarrier CDMA Systems with Differential Modulationp. 141
Spreading Sequences for (Multi-Carrier) MC-CDMA Systems with Nonlinear Amplifierp. 151
Analysis of Linear Receivers for MC-CDMA with Digital Prolate Functionsp. 159
Evaluation of Different Spreading Sequences for MC-CDMA in WLAN Environmentsp. 167
Uplink and Downlink MC-DS-CDMA Synchronization Sensitivityp. 177
Study of Symbol Synchronization in MC-CDMA Systemsp. 186
Iterative Channel Estimation Approach for Space-Frequency Coded OFDM Systems with Transmitter Diversityp. 195
Comparison of Pilot Multiplexing Schemes for ML Channel Estimation in Coded OFDM-CDMAp. 203
Data Aided Channel Estimation of Wireless MIMO-OFDM Systemsp. 211
Multi-User Transmissions for OFDM: Channel Estimation and Performancesp. 219
Adaptive Pilot Symbol Aided Channel Estimation for OFDM Systemsp. 227
Exploiting A-Priori Information for Channel Estimation in Multiuser OFDM Mobile Radio Systemsp. 235
Timing of the FFT-Window in SC/FDE Systemsp. 243
Equalization for Multi-Carrier Systems in Time-Varying Channelsp. 251
Performance Analysis of the Downlink and Uplink of MC-CDMA with Carrier Frequency Offsetp. 259
Space Time Multi-User Detection for MC-CDMA Systems in the Presence of Channel Estimation Errorsp. 269
Synchronisation and Power Control Processes for Uplink Multicarrier Systems based on MC-CDMA Techniquep. 279
A Novel Soft Handoff Technique using STTD for MC-CDMA in a Frequency Selective Fading Channelp. 289
Array Antenna Assisted Doppler Spread Compensator with Vehicle Speed Estimator for OFDM Receiverp. 299
Pre-Filtering Techniques Using Antenna Arrays for Downlink TDD MC-CDMA Systemsp. 307
Downlink Strategies Using Antenna Arrays for Interference Mitigation in Multi-Carrier CDMAp. 315
Antenna Diversity Techniques for SC/FDE - A System Analysisp. 327
Performance of MC-CDMA vs. OFDM in Rayleigh Fading Channelsp. 337
Efficient Diversity Techniques Using Linear Precoding and STBC for Multi-Carrier Systemsp. 345
Performance of MMSE STBC MC-CDMA over Rayleigh and MIMO METRA Channelsp. 353
Comparison between Space-Time Block Coding and Eigen Beamforming in TDD MIMO-OFDM Downlink with Partial CSI Knowledge at the TX Sidep. 363
Space-Time Block Coding for OFDM-MIMO Systems for Fourth Generation: Performance Resultsp. 371
Space-Frequency Coding and Signal Processing for Downlink MIMO MC-CDMAp. 379
Adaptive V-BLAST based Broadband MIMO Systems in Spatially Correlated Channelsp. 387
Design of the Low Complexity Turbo MIMO Receiver for WLANp. 395
Distributed Multiplexing in Multicarrier Wireless Networksp. 405
An Inter-Cell Interference Suppression Technique Using Virtual Subcarrier Assignment (VISA) for MC-CDMA Uplinkp. 413
Synchronism Loss Effect on the Signal Detection at the Base Station using an OFDM-CDMA Systemp. 421
Minimum BER Multiuser Transmission for Spread-Spectrum Systems in Frequency Selective Channelsp. 429
Combined Pre- and Post-Equalization Techniques for Uplink Time Division Duplex MC-CDMA in Fading Channelsp. 439
Time Variant Channel Equalization for MC-CDMA via Fourier Basis Functionsp. 451
Impact of Channel Variation on a Code Multiplexed Pilot in Multicarrier Systemsp. 459
Joint Compensation of IQ Imbalance, Frequency Offset and Phase Noisep. 473
Practical Issues of PIC in MC-CDMA Systemsp. 481
OFDM, DS-CDMA and MC-CDMA Systems with Phase Noise and Frequency Offset Effectsp. 489
A New Phase Noise Mitigation Method in OFDM Systems with Simultaneous CPE and ICI Correctionp. 501
Performance Comparison of OFDM Transmission affected by Phase Noise with and without PLLp. 509
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9781402018374
ISBN-10: 1402018371
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 516
Published: 31st December 2003
Country of Publication: US
Dimensions (cm): 25.1 x 16.31  x 2.59
Weight (kg): 1.05