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E-grāmata: Semi-Blind Carrier Frequency Offset Estimation and Channel Equalization

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Semi-Blind Carrier Frequency Offset Estimation and Channel EqualizationPalielināt
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This SpringerBrief investigates the performance of semi-blind independent component analysis (ICA) based equalization and carrier frequency offset estimation approaches (CFO) for a number of orthogonal frequency division multiplexing (OFDM) based wireless communication systems. It provides a comprehensive overview of the challenges of channel equalization and frequency synchronization for different wireless systems.

The authors present the wireless communication channel and system models. Key existing CFO estimation methods are reviewed, along with a number of the training based and non-training based (blind) channel estimation methods. This is followed by a study of ICA and its applications to OFDM-based wireless communication systems. Later chapters provide a detailed description of recent research on semi-blind CFO estimation and ICA based equalization approaches for various wireless communication systems including multiple-input multiple-output (MIMO) OFDM and coordinated multipoint (CoMP) systems.

Semi-blind CFO estimation and equalization structures provide a spectrum-efficient and high-performance solution for high speed wireless communications. This book is suitable for postgraduate students, researchers or professionals in the area of wireless communications.


1 Introduction
1(4)
References
2(3)
2 OFDM Based Wireless Communications Systems
5(14)
2.1 OFDM Technology
5(4)
2.1.1 Principle of OFDM
5(1)
2.1.2 CFO
6(1)
2.1.3 OFDMA
7(2)
2.2 MIMO OFDM Systems
9(4)
2.3 CoMP Transmission
13(2)
2.4 CA Technology
15(4)
References
17(2)
3 CFO Estimation and Channel Equalization for OFDM Based Wireless Systems
19(18)
3.1 CFO Estimation Methods
19(5)
3.1.1 Preamble Based CFO Estimation
19(3)
3.1.2 Blind and Semi-Blind CFO Estimation
22(2)
3.2 Channel Estimation and Equalization
24(13)
3.2.1 Training Based Channel Estimation and Equalization
25(4)
3.2.2 Blind or Semi-Blind Equalization
29(4)
References
33(4)
4 Semi-Blind CFO Estimation and Equalization for Single-User MIMO OFDM Systems
37(14)
4.1 Introduction
37(1)
4.2 System Model
38(1)
4.3 Precoding Design
39(3)
4.3.1 Precoding
39(1)
4.3.2 Reference Data Design
40(1)
4.3.3 Discussion of Precoding Constant
41(1)
4.4 Precoding Based Semi-Blind CFO Estimation
42(2)
4.5 Precoding Aided Semi-Blind ICA Based Equalization
44(2)
4.5.1 ICA Based Equalization
44(1)
4.5.2 Ambiguity Elimination
45(1)
4.6 Complexity Analysis
46(1)
4.7 Simulation Results
46(3)
4.8 Summary
49(2)
References
50(1)
5 Semi-Blind Multi-CFO Estimation and Equalization for Multiuser CoMP OFDM Systems
51(18)
5.1 Introduction
51(2)
5.2 System Model
53(1)
5.3 Pilot Design
54(2)
5.3.1 Semi-orthogonal Pilot
54(1)
5.3.2 Requirement on Pilot Length
55(1)
5.4 SOP Based Multi-CFO Estimation
56(2)
5.4.1 Multi-CFO Separation
56(1)
5.4.2 Multi-CFO Estimation
56(1)
5.4.3 Carrier Frequency Adjustments
57(1)
5.5 ICA Based Equalization
58(2)
5.5.1 Phase Correction
58(1)
5.5.2 Permutation and Quadrant Ambiguities Elimination
59(1)
5.6 Complexity Analysis
60(1)
5.7 Simulation Results
60(3)
5.8 Summary
63(6)
Appendix
66(1)
References
67(2)
6 Semi-Blind Joint ICI Mitigation and Equalization for CA Based CoMP OFDMA Systems
69(16)
6.1 Introduction
69(1)
6.2 System Model
70(4)
6.3 ICA Based Equalization and ICI Mitigation
74(4)
6.3.1 ICA Based Equalization
74(1)
6.3.2 Phase Correction
75(1)
6.3.3 Permutation and Quadrant Ambiguities Elimination
75(1)
6.3.4 Successive Interference Cancellation
76(2)
6.4 Complexity Analysis
78(1)
6.5 Simulation Results
79(2)
6.6 Summary
81(4)
References
82(3)
7 Conclusions
85
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