應用於寬頻多輸入多輸出毫米波系統下傳通訊協議及混合式預編碼處理晶片設計

簡易檢索 / 詳目顯示

回結果列表

研究生：	方瑋豪 Fang, Wei-Hao
論文名稱：	應用於寬頻多輸入多輸出毫米波系統下傳通訊協議及混合式預編碼處理晶片設計 Downlink Communication Protocol and VLSI Design of Hybrid Precoding for Wideband Millimeter Wave MIMO Systems
指導教授：	黃元豪 Huang, Yuan-Hao
口試委員:	蔡佩芸 Tsai, Pei-Yun 陳喬恩 Chen, Chiao-En 蔡尚澕 Tsai, Shang-Ho
學位類別：	碩士 Master
系所名稱：	電機資訊學院 - 通訊工程研究所 Communications Engineering
論文出版年：	2019
畢業學年度：	108
語文別：	英文
論文頁數：	90
中文關鍵詞：	毫米波、混合預編碼、多輸入多輸出、寬頻、下傳、正交多工
外文關鍵詞：	mmWave, Hybrid Precoding, MIMO, Wideband, downlink, OFDM
相關次數：	點閱：1 下載：0
分享至:	分享至facebook 分享至twitter

查詢本校圖書館目錄查詢臺灣博碩士論文知識加值系統勘誤回報

在下一世代行動通訊系統中，高吞吐量的傳輸方式是最基本的需求，而多輸入多輸出毫米波系統與大規模陣列天線可以滿足這樣的需求。然而，在全數位的陣列天線系統中，大量的射頻鏈與數位類比轉換器會消耗許多硬體資源，因此採用混合式預編碼架構來減少射頻鏈與數位類比轉換器。此外，正交分頻多工技術也被期許可以套用在頻率選擇性通道中。在這篇論文中，我們提出了一個下傳通訊協議。這個下傳通訊協議可以被分成三個階段，探測、回饋以及波束成形階段。量測階段時，基地台預估下傳通道資訊及計算預編碼器矩陣。在回饋階段時，移動端會獲得回饋的資訊以及計算組合器矩陣。在波束成形階段時，兩端的預編碼器矩陣及組合器矩陣都已完成，下傳通訊即可開始。此外，我們用TSMC 40NM CMOS實現了移動端的組合器處理器。類比組合器處理器可以運作在200 MHz的頻率下。功耗及吞吐量可以在Nr×NRF=4×4/ 8×8下，達到10.75/30.53 mW及0.71/0.21 M 矩陣/每秒。數位組合器處理器可以運作在200 MHz的頻率下。功耗及吞吐量可以在NRF×Ns=4×1/4×2/8×1/8×2/8×4下，達到8.41/16.12/23.31/36.99/78.06 mW及7.14/7.14/3.84/3.84/3.84 M 矩陣/每秒。

In the next-generation communication systems, high-throughput transmission is the essential necessity. The millimeter wave (mmWave) multiple-input and multiple-output (MIMO) system can provide high-throughput transmission. However, the RF chains and data converters in the fully-digital MIMO system cost a lot of hardware resources. As a result, hybrid precoding is adopted to reduce the cost of RF chains and data converters. Furthermore, orthogonal frequency division modulation (OFDM) is expected to be applied with frequency selective broadband channel. In this thesis, we propose a downlink communication protocol which is divided into three stages, sounding, feedback and beamforming stage. Base station (BS) estimates the downlink channel and calculate precoders at sounding stage. Mobile station (MS) obtains the feedback information and calculate combiners at feedback stage. Downlink communication is prepared at beamforming stage. In addition, we implement the proposed combiner processor with TSMC 40 nm CMOS process technology. The analog combining processor can operate with 200MHz clock speed. The power consumption are 10.75/30.53 mW and throughput can achieve 0.71/0.21 M matrices per second for Nr × NRF = 4× 4/8 × 8. The analog baseband processor can operate with 200MHz clock speed as well. The power consumption are 8.41/16.12/23.31/36.99/78.06 mW and normalized throughput can achieve 7.14/7.14/3.84/3.84/3.84 M matrices per second for NRF × Ns = 4× 1/4 × 2/8 × 1/8 × 2/8 × 4.

Introduction 1
1 Millimeter Wave MIMO Systems 1
2 Research Motivation 2
3 Organization of This Thesis 4
4 Notations 4
Hybrid Precoding and Channel Estimation for Wideband MIMO Systems 5
1 Channel Model of MIMO System 5
2 SVD-Based Digital Precoding 7
3 Hybrid Precoding 10
4 Hybrid Precoding in OFDM Systems 13
4.1 KKT Condition-based Hybrid Precoding 15
4.2 Successive Interference Cancellation with Matrix-Inversion-Bypass (SIC-MIB) Analog Precoding and Combining Algorithm 22
4.3 Block SVD Power Method Baseband Precoding Algorithm 28
4.4 Square Root Baseband Combining Algorithm 32
5 Channel Estimation for OFDM systems 35
5.1 Compressed Sensing-Based Channel Estimation 36
5.2 Matrix-Inversion-Based Channel Estimation 41
Proposed Downlink Communication Protocol 45
1 Sounding Stage - First Channel Estimation and Precoder Calculation 46
2 Feedback Stage - Second Channel Estimation and Combiner Calculation 51
3 Beamforming Stage 55
4 Simulation Results and Analysis 55
4.1 Decision of Algorithm Parameters 55
4.2 Performance 64
Hardware Architecture of Combiner 67
1 Architecture of Analog Combiner 68
1.1 VLSI Architecture 68
1.2 Timing Schedule 71
1.3 Fixed-point Simulation 72
1.4 Synthesis Result 75
2 Architecture of Baseband Combiner 77
2.1 VLSI Architecture 78
2.2 Timing Schedule 79
2.3 Fixed-point Simulation 80
2.4 Synthesis Result 82
Conclusion 85
Reference 87
                                

[1] Z. Pi and F. Khan, "An introduction to millimeter-wave mobile broadband systems," IEEE Communications Magazine, vol. 49, no. 6, pp. 101-107, 2011.
[2] S. K. Yong and C.-C. Chong, "An overview of multigigabit wireless through millimeter wave technology: potentials and technical challenges," EURASIP Journal on Wireless Communications and Networking, vol. 2007, no. 1, pp. 1-10, 2006.
[3] S. Sun, T. S. Rappaport, R. W. Heath, A. Nix, and S. Rangan, "Mimo for millimeter-wave wireless communications: beamforming, spatial multiplexing, or both?" IEEE Communications Magazine, vol. 52, no. 12, pp. 110-121, 2014.
[4] O. El Ayach, S. Rajagopal, S. Abu-Surra, Z. Pi, and R. W. Heath, "Spatially sparse precoding in millimeter wave mimo systems," IEEE Transactions on Wireless Com- munications, vol. 13, no. 3, pp. 1499-1513, 2014.
[5] Y.-Y. Lee, C.-H.Wang, and Y.-H. Huang, "A hybrid rf/baseband precoding processor based on parallel-index-selection matrix-inversion-bypass simultaneous orthogonal matching pursuit for millimeter wave mimo systems," IEEE Transactions on Signal Processing, vol. 63, no. 2, pp. 305-317, 2015.
[6] R. Mndez-Rial, C. Rusu, N. Gonzlez-Prelcic, and R. W. Heath, "Dictionary-free hybrid precoders and combiners for mmwave mimo systems," in in Proc. IEEE Int. Workshop Signal Process. Adv. Wireless Commun. (SPAWC). IEEE, 2015, pp. 151-155.
[7] H.-Y. Cheng and Y.-H. Huang, "Scalable parallel data-stream hybrid precoding processor for mmwave mimo systems," Master's thesis, National Tsing Hua University, Taiwan, 2017.
[8] J. Lee and Y. H. Lee, "Af relaying for millimeter wave communication systems with hybrid rf/baseband mimo processing," 2014 IEEE International Conference on Communications (ICC), pp. 5838-5842, 2014.
[9] F. Sohrabi and W. Yu, "Hybrid analog and digital beamforming for mmwave ofdm large-scale antenna arrays," IEEE Journal on Selected Areas in Communications, vol. 35, no. 7, pp. 1432-1443, 2017.
[10] H.-W. Ku, "Hybrid precoding and combining algorithms for wideband millimeter wave mimo systems," Master's thesis, National Tsing Hua University, Taiwan, 2018.
[11] J. W. et al., "Beam codebook based beamforming protocol for multi-gbps millimeter-wave wpan systems," IEEE Journal on Selected Areas in Communi- cations, vol. 27, no. 8, pp. 1390-1399, 2009.
[12] K. Venugopal and A. Alkhateeb, "Channel estimation for hybrid architecture-based wideband millimeter wave systems," IEEE Journal on Selected Areas in Commu- nications, vol. 35, no. 9, pp. 1996-2009, 2017.
[13] Q. Spencer, B. Jes, M. Jensen, and A. Swindlehurst, "Modeling the statistical time and angle of arrival characteristics of an indoor multipath channel," IEEE Journal on Selected Areas in Communications, vol. 18, no. 3, pp. 347-360, 2000.
[14] P. F. M. Smulders and L. Correia, "Characterisation of propagation in 60 ghz radio channels," Electronics Communication Engineering Journal, vol. 9, no. 2, pp. 73- 80, 1997.
[15] X. Yu, J.-C. Shen, J. Zhang, and K. B. Letaief, "Alternating minimization algorithms for hybrid precoding in millimeter wave mimo systems," IEEE Journal of Selected Topics in Signal Processing, vol. 10, no. 3, pp. 485-500, 2016.
[16] Z. Pi, "Optimal transmitter beamforming with per-antenna power constraints," 2012 IEEE International Conference on Communications (ICC), pp. 3779-3784, 2012.
[17] X. Gao, L. Dai, S. Han, C.-L. I, and R. W. Heath, "Energy-ecient hybrid analog and digital precoding for mmwave mimo systems with large antenna arrays," IEEE Journal on Selected Areas in Communications, vol. 34, no. 4, pp. 998-1009, 2016.
[18] A.H.Bentbib and A.Kanber, "Block Power Method for SVD Decomposition," in An. St. Univ. Ovidius Constanta, vol. 23(2), 2015, pp. 45-58.
[19] Z.-F. Yang and Y.-H. Huang, "Design and implementation of generalized eigenvalue decomposition processor for leakage-based precoding for ieee 802.11ac in multi-user mimo system," Master's thesis, National Tsing Hua University, Taiwan, 2017.
[20] B. Hassib, "An ecient square-root algorithm for blast," vol. 2, no. 4, pp. II737 - II740, 2000.
[21] J. A. Tropp and A. C. Gilbert, "Signal recovery from random measurements via orthogonal matching pursuit," IEEE Transactions on Information Theory, vol. 53, no. 12, pp. 4655-4666, 2007.
[22] G. Huang and L. Wang, "High-speed signal reconstruction with orthogonal matching pursuit via matrix inversion bypass," Proceedings of the Eighth International Symposium on Signal Processing and Its Applications, pp. 403-406, 2005.
[23] F. Kaltenberger, H. Jiang, M. Guillaud, and R. Knopp, "Relative channel reciprocity calibration in MIMO/TDD systems," Future Network and Mobile Summit 2010 Conference Proceedings, pp. 1-10, 2010.
[24] K.-T. Chen, Y.-T. Hwang, and Y.-C. Liao, "VLSI design of a high throughput hybrid precoding processor for wireless MIMO systems," IEEE Access, vol. 7, pp. 85 925-85 936, 2019.
[25] P. Luethi, A. Burg, S. Haene, D. Perels, N. Felber, and W. Fichtner, "VLSI implementation of a high-speed iterative sorted MMSE QR decompositio," 2007 IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1421-1424, 2007.

簡易檢索 / 詳目顯示

相關論文