MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho | Jaekwon Kim Won Young Yang | Chung G. Kang Chapter 11. Signal Detection for Spatially Multiplexed MIMO Systems
Page 2 MIMO-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 ZF Signal Detection 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 Lenstra-Lenstra-Lovasz (LLL) Algorithm Application of Lattice Reduction
Page 3 MIMO-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 Log-likelihood-Ratio (LLR) for SISO Systems LLR for Linear Detector based MIMO System LLR for MIMO System with a Candidate Vector Set LLR for MIMO System using a Limited Candidate Vector Set
Page 4 MIMO-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 5 MIMO-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 6 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd ZF Signal Detection
Page 7 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd ZF Signal Detection
Page 8 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd MMSE Signal Detection
Page 9 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd MMSE Signal Detection
Page 10 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd MMSE Signal Detection
Page 11 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd MMSE Signal Detection
Page 12 MIMO-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 13 MIMO-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 14 MIMO-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 15 MIMO-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 16 MIMO-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 17 MIMO-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 18 MIMO-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 19 MIMO-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 20 MIMO-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 21 MIMO-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 22 MIMO-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 23 MIMO-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 MultiplicationsDivisionsSquare roots 1600 in (11.33)1400 Step 1011 Step 2-4 each121 update100
Page 24 MIMO-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 25 MIMO-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 26 MIMO-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 27 MIMO-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 28 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 29 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 30 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 31 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 32 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 33 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 34 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Lenstra-Lenstra-Lovasz (LLL) Algorithm
Page 35 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Application of Lattice Reduction
Page 36 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Application of Lattice Reduction
Page 37 MIMO-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 Systems Log-Likehood-Ratio (LLR) for SISO Systems
Page 38 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 39 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 40 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 41 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 42 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 43 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 44 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 45 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 46 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd Log-Likehood-Ratio (LLR) for SISO Systems
Page 47 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for Linear Detector-Based MIMO System
Page 48 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for Linear Detector-Based MIMO System
Page 49 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for Linear Detector-Based MIMO System
Page 50 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System with a Candidate Vector Set
Page 51 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System with a Candidate Vector Set
Page 52 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System with a Candidate Vector Set
Page 53 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System with a Candidate Vector Set
Page 54 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System Using a Limited Candidate Vector Set
Page 55 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System Using a Limited Candidate Vector Set
Page 56 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System Using a Limited Candidate Vector Set Multiplication FFT size64 CP size16 Antenna configuration 4 x 4 Packet length10 OFDM symbols Symbol mapping16-QAM Channel coding Convolutional coding -Rate: 1/2 -Constraint length: K=7 -Generating polynomials: [ ] and [ ].
Page 57 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System Using a Limited Candidate Vector Set
Page 58 MIMO-OFDM Wireless Communications with MATLAB ® Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang © 2010 John Wiley & Sons (Asia) Pte Ltd LLR for MIMO System Using a Limited Candidate Vector Set
Page 59 MIMO-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 60 MIMO-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)