MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho | Jaekwon Kim Won Young Yang | Chung...
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Transcript of MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho | Jaekwon Kim Won Young Yang | Chung...
MIMO-OFDM WirelessCommunicationswith MATLAB®
Yong Soo Cho | Jaekwon Kim
Won Young Yang | Chung G. Kang
Chapter 11. Signal Detection for Spatially Multiplexed MIMO Systems
Page 2MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
Chapter 11. Signal Detection for Spatially Multiplexed MIMO Systems
11.1 LINEAR SIGNAL DETECTION
- 11.1.1 ZF Signal Detection
- 11.1.2 MMSE Signal Detection
11.2 OSIC SIGNAL DETECTION
11.3 ML SIGNAL DETECTION
11.4 SPHERE DECODING METHOD
11.5 QRM-MLD METHOD
11.6 LATTICE REDUCTION-AIDED DETECTION
- 11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
- 11.6.2 Application of Lattice Reduction
Page 3MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
Chapter 11. Signal Detection for Spatially Multiplexed MIMO System
11.7 SOFT DECISION FOR MIMO SYSTEMS
- 11.7.1 Log-likelihood-Ratio (LLR) for SISO Systems
- 11.7.2 LLR for Linear Detector based MIMO System
- 11.7.3 LLR for MIMO System with a Candidate Vector Set
- 11.7.4 LLR for MIMO System using a Limited Candidate Vector Set
Page 4MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
Chapter 11. Signal Detection for Spatially Multiplexed MIMO Systems
11.1 Linear Signal Detection
Page 5MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1 Linear Signal Detection
Page 6MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.1 ZF Signal Detection
Page 7MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.1 ZF Signal Detection
Page 8MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.2 MMSE Signal Detection
Page 9MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.2 MMSE Signal Detection
Page 10MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.2 MMSE Signal Detection
Page 11MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.1.2 MMSE Signal Detection
Page 12MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.2 OSIC Signal Detection
Page 13MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.2 OSIC Signal Detection
Page 14MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.2 OSIC Signal Detection
Page 15MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.3 ML Signal Detection
Page 16MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 17MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 18MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 19MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 20MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 21MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 22MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Page 23MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.4 Sphere Decoding Method
Multiplications Divisions Square roots
16 0 0
in (11.33) 14 0 0
Step 1 0 1 1
Step 2-4 each 1 2 1
update 1 0 0
1ˆ ( )x H y
2SDR
2SDR
Page 24MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.5 QRM-MLD Method
Page 25MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.5 QRM-MLD Method
Page 26MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.5 QRM-MLD Method
Page 27MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6 Lattice Reduction-Aided Detection
Page 28MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 29MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 30MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 31MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 32MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 33MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 34MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.1 Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 35MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.2 Application of Lattice Reduction
Page 36MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.6.2 Application of Lattice Reduction
Page 37MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7 Soft Decision MIMO Systems11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 38MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 39MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 40MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 41MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 42MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 43MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 44MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 45MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 46MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.1 Log-Likehood-Ratio (LLR) for SISO Systems
Page 47MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.2 LLR for Linear Detector-Based MIMO System
Page 48MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.2 LLR for Linear Detector-Based MIMO System
Page 49MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.2 LLR for Linear Detector-Based MIMO System
Page 50MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.3 LLR for MIMO System with a Candidate Vector Set
Page 51MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.3 LLR for MIMO System with a Candidate Vector Set
Page 52MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.3 LLR for MIMO System with a Candidate Vector Set
Page 53MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.3 LLR for MIMO System with a Candidate Vector Set
Page 54MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.4 LLR for MIMO System Using a Limited Candidate Vector Set
Page 55MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.4 LLR for MIMO System Using a Limited Candidate Vector Set
Page 56MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.4 LLR for MIMO System Using a Limited Candidate Vector Set
Multiplication
FFT size 64
CP size 16
Antenna configuration 4 x 4
Packet length 10 OFDM symbols
Symbol mapping 16-QAM
Channel coding
Convolutional coding-Rate: 1/2
-Constraint length: K=7-Generating polynomials: [1001111] and [1101101].
Page 57MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.4 LLR for MIMO System Using a Limited Candidate Vector Set
Page 58MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
11.7.4 LLR for MIMO System Using a Limited Candidate Vector Set
Page 59MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
Appendix 11.A Derivation of Equation (11.23)
Page 60MIMO-OFDM Wireless Communications with MATLAB®
Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang© 2010 John Wiley & Sons (Asia) Pte Ltd
Appendix 11.A Derivation of Equation (11.23)