Chapter
3.8 Disadvantages of OFDM System
3.8.1 Strict Synchronization Requirement
3.8.2 Peak-to-Average Power Ratio (PAPR)
3.8.3 Co-Channel Interference in Cellular OFDM
3.9 OFDM System Design Issues
3.9.1 OFDM System Design Requirements
3.9.2 OFDM System Design Parameters
4 Multi-Carrier Based Access Techniques
4.1 Definition of Basic Schemes
4.1.4 Relative Comparison
4.2 Orthogonal Frequency Division Multiple Access
4.2.1 Multiple Access Model
4.2.2 Static and Dynamic Sub-carrier Assignment
4.2.4 Transceiver Architecture
4.2.6 OFDMA Based-Standards
4.2.8 Error Probability Analysis in OFDMA System
4.3 Orthogonal Frequency Division Multiple Access-Fast Sub-Carrier Hopping
4.3.1 Multiple Access Model
4.3.2 Benefit from Using Sub-carrier Hopping
4.3.5 Transceiver Architecture
4.3.6 Specific Features and Further Research Topics
4.3.8 OFDMA-FSCH Based Standards
4.4 Orthogonal Frequency Division Multiple Access-Slow Sub-Carrier Hopping
4.4.3 Transceiver Architecture
4.4.6 OFDMA-SSCH Based-Standards
4.5 Multi-Carrier Code Division Multiple Access
4.5.1 Multiple Access Model
4.5.3 Transceiver Architecture
5 Single-Carrier Transmission with Cyclic Prefix
5.1.1 Single-Carrier vs Multi-Carrier, FDE vs TDE
5.1.2 Analogies and Differences Between OFDM and SCFDE
5.1.3 Interoperability of SCFDE and OFDM
5.2.1 Transceiver Architecture
5.2.2 Sub-carrier Mapping
5.2.3 Relation Between SC-FDMA, OFDMA, and DS-CDMA/FDE
6 Synchronization in Time and Frequency Domain
6.2 Sensitivity to Phase Noise
6.3 Sensitivity to Frequency Offset
6.4 Sensitivity to Timing Errors
6.5 Synchronization Using Cyclic Extension
6.6 Synchronization Using Special Training Symbols
6.7 Optimal Training in Presence of Multi-path
7 Channel Estimation and Equalization
7.2.1 Two-Dimensional Channel Estimators
7.2.2 One-Dimensional Channel Estimators
7.2.3 Special Training Symbols
7.2.4 Decision-Directed Channel Estimation
7.3 Differential Detection
7.3.1 Differential Detection in the Time Domain
7.3.2 Differential Detection in the Frequency Domain
7.3.3 Differential Amplitude and Phase Shift Keying
8 High Power Amplifier and PAPR in OFDM
8.4 Effect of HPA and BO Power
8.4.1 Effect on Constellation Points
8.4.2 Effect on Power Spectrum
8.5 Performance of Different Modulation and Coding
8.5.1 Performance in AWGN Channel
8.5.2 Performance in Fading Channel
9.1 Gains Obtained by Exploiting the Spatial Domain
9.1.4 Interference Reduction
9.2 Multi-antenna and Diversity
9.2.2 Frequency Diversity
9.3 Multi-antenna and Spatial Multiplexing
9.4 Diversity Gain vs Coding Gain
9.5 Capacity of MIMO Channels
9.5.1 Fundamentals on Channel Capacity
9.5.2 MIMO Channel Capacity: Information Theoretic Approach
9.5.3 Limiting Capacity Results
9.6 Trade-Off Between Spatial Multiplexing and Spatial Diversity
9.7 Multi-antenna in OFDM
9.7.2 Spatial Multiplexing
9.7.4 Usability of Multi-antenna Techniques in OFDM Systems
10 Transmit Diversity Vs Beamforming
10.2 A Brief Look at Diversity and Beamforming
10.2.2 Space–Time Block Coding (STBC)
10.2.3 Receive Diversity System
10.2.4 MIMO Diversity System
10.2.5 SNR Statistics of Diversity and Beamforming Systems
10.3 Downlink Capacity and Error Probability Analysis
10.4 Downlink Beamforming and Transmit Diversity in Multi-user OFDM Systems
10.4.1 Issues in OFDM–TDMA
10.4.3 DL-BF in Clustered OFDMA
10.5 Performance Analysis and Comparison
10.5.2 Angular Spread and Spatial Correlation
10.5.3 Simulation Parameters
10.5.4 BER Results and Discussions
10.5.5 Pilot Design Issue
11 Exploiting Cyclic Delay Diversity in OFDM System
11.3 Post-DFT Maximum Ratio Combining
11.4 Benefitting from Cyclic Delay Property in OFDM System
11.4.1 System Model with Cyclic Delay Diversity
11.4.2 Capacity of CDD Based OFDM System
11.5 Pre-DFT Maximum Average Ratio Combining
11.5.1 Optimum SNR for the Combined Signal
11.5.2 Optimum Diversity Weights
11.5.3 System Analysis with Dual Antenna Receiver
11.5.4 Numerical Analysis and Discussions
11.6 Cyclic Delay Assisted Spatial Multiplexing
11.6.1 Transmission Structure
11.6.2 System Capacity of CDA-SM-OFDM
12 Joint Diversity and Multiplexing Schemes for MIMO-OFDM Systems
12.2.1 SM-OSFBC Transmission Scheme
12.2.2 SM-QSFBC-OFDM Transmission Scheme
12.3 SNR Distribution for ZF Detection
12.4.3 10% Outage Spectral Ef.ciency
12.4.4 Effect of Spatial Correlation
12.4.5 Performance in Presence of LOS
13 MIMO Design in SC-FDE/SC-FDMA Systems: Diversity and Multiplexing
13.2 Spatial Multiplexing
13.3 Space–Frequency Block Coding for SCFDE
13.3.2 Simulations and Discussions
13.3.3 Computational Complexity
13.4 Combining Diversity and Multiplexing in SCFDE
13.4.2 Simulations and Discussions
13.5 Linear Dispersion Codes for SCFDE
13.5.1 Linear Dispersion Codes
13.5.2 Space–Frequency LDC for SCFDE
13.5.3 SD, SM, and JDM as Special Cases of LDC
13.6 Multi-antenna in SC-FDMA
14 Conclusions and Perspectives
14.1 Cross-layer Design and Optimization
14.1.1 Cross-layer Opportunities
14.1.2 Cross-layer Design Related to System Integration
14.2 Technological Aspects: Future Perspective
14.2.1 Single-Carrier vs Multi-Carrier and Frequency-Domain vs Time-Domain Equalization
14.2.2 Multi-antenna Issues
14.2.4 Radio Resource Management and Packet Scheduling
14.2.5 Cooperative Communication
14.3 Future of Wireless Systems
14.3.1 Software Defined Radio
14.3.4 Self-organizing Networks
14.3.5 Low Emission — Green Systems
Single- And Multi-Carrier Mimo Transmission for Broadband Wireless Systems
( River Publishers Series in Information Science and Technology )
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
