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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳昭宏 | zh_TW |
| dc.contributor.advisor | Jau-Horng Chen | en |
| dc.contributor.author | 許家維 | zh_TW |
| dc.contributor.author | Chia-Wei Hsu | en |
| dc.date.accessioned | 2023-12-12T16:23:14Z | - |
| dc.date.available | 2023-12-13 | - |
| dc.date.copyright | 2023-12-12 | - |
| dc.date.issued | 2023 | - |
| dc.date.submitted | 2023-10-13 | - |
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[2] Y. Jun and L. Ye, “Digital predistortion with improved lut and lms method,” in Proceedings of 2011 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference, vol. 2, 2011, pp. 1671–1674. [3] K.-F. Liang, J.-H. Chen, and Y.-J. E. Chen, “A quadratic-interpolated lut-based digital predistortion technique for cellular power amplifiers,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 61, no. 3, pp. 133–137, 2014. [4] L. Sun, X. Hu, Z. Liu, K. Han, S. Zhang, W. Wang, and F. M. Ghannouchi, “A low complexity lut-based digital predistortion block with new pruning method,” IEEE Microwave and Wireless Components Letters, vol. 32, no. 9, pp. 1131–1134, 2022. [5] L. Ding, G. Zhou, D. Morgan, Z. Ma, J. Kenney, J. Kim, and C. Giardina, “Memory polynomial predistorter based on the indirect learning architecture,” in Global Telecommunications Conference, 2002. GLOBECOM ’02. IEEE, vol. 1, 2002, pp. 967–971 vol.1. [6] J. Dvorak, R. Marsalek, and J. Blumenstein, “Adaptive-order polynomial meth-ods for power amplifier model estimation,” in 2013 23rd International Conference Radioelektronika (RADIOELEKTRONIKA), 2013, pp. 389–392. [7] Q. Luo, M. Pirola, V. Camarchia, R. Quaglia, R. Tinivella, S. Shen, and G. Ghione, “Fpga implementation of adaptive baseband predistortion for fet-based wireless power amplifiers,” in 2009 First International Conference on Information Science and Engineering, 2009, pp. 2630–2633. [8] M. Dardaillon, C. Jabbour, and V. P. Srini, “Adaptive digital pre-distortion for future wireless transmitters,” in 2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS), 2015, pp. 332–335. [9] G. C. L. Cunha, S. Farsi, B. Nauwelaers, and D. Schreurs, “An fpga-based digital predistorter for rf power amplifier linearization using cross-memory polynomial model,” in 2014 International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMiC), 2014, pp. 1–3. [10] T. H. Lee, The design of CMOS radio-frequency integrated circuits, 2nd ed. Cambridge University Press, 2004. [11] N. Boulejfen, A. Harguem, and F. Ghannouchi, “New closed-form expressions for the prediction of multitone intermodulation distortion in fifth-order nonlinear rf circuits/systems,” IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 1, pp. 121–132, 2004. [12] J. Vuolevi and T. Rahkonen, Distortion in RF power amplifiers, 1st ed. ARTECH HOUSE, 2003. [13] A. Moulthrop, C. Clark, C. Silva, and M. Muha, “A dynamic am/am and am/pm measurement technique,” in 1997 IEEE MTT-S International Microwave Symposium Digest, vol. 3, 1997, pp. 1455–1458 vol.3. [14] J. Tao, Behavioral modeling and FPGA implementation of digital predistortion for RF and microwave power amplifiers. Doctoral thesis, 2016. [15] S. Boumaiza and F. Ghannouchi, “Thermal memory effects modeling and compensation in rf power amplifiers and predistortion linearizers,” IEEE Transactions on Microwave Theory and Techniques, vol. 51, no. 12, pp. 2427–2433, 2003. [16] D. Schreurs, M. O’Droma, A. Goacher, and E. M. Gadringer, Overview of power amplifier modelling. Cambridge University Press, 2008. [17] A. Saleh, “Frequency-independent and frequency-dependent nonlinear models of twt amplifiers,” IEEE Transactions on Communications, vol. 29, no. 11, pp. 1715–1720, 1981. [18] J. Liu, R. Zhao, W. Liu, and G. Zeng, “Research on pa digital predistortion simulation based on an improved model,” IOP Conference Series: Materials Science and Engineering, vol. 782, no. 5, p. 052048, mar 2020. [Online]. Available: https://dx.doi.org/10.1088/1757-899X/782/5/052048 [19] A. Zhu, P. J. Draxler, J. J. Yan, T. J. Brazil, D. F. Kimball, and P. M. Asbeck, “Openloop digital predistorter for rf power amplifiers using dynamic deviation reductionbased volterra series,” IEEE Transactions on Microwave Theory and Techniques, vol. 56, no. 7, pp. 1524–1534, 2008. [20] R. N. Braithwaite, “Wide bandwidth adaptive digital predistortion of power amplifiers using reduced order memory correction,” in 2008 IEEE MTT-S International Microwave Symposium Digest, 2008, pp. 1517–1520. [21] D. Morgan, Z. Ma, J. Kim, M. Zierdt, and J. Pastalan, “A generalized memory polynomial model for digital predistortion of rf power amplifiers,” IEEE Transactions on Signal Processing, vol. 54, no. 10, pp. 3852–3860, 2006. [22] Analog Devices, Inc., “AD9361 Datasheet,” Online PDF, 2013. [Online]. Available: https://www.analog.com/media/en/technical-documentation/data-sheets/AD9361.pdf [23] G. Montoro, P. L. Gilabert, E. Bertran, A. Cesari, and J. A. Garcia, “An lms-based adaptive predistorter for cancelling nonlinear memory effects in rf power amplifiers,” in 2007 Asia-Pacific Microwave Conference, 2007, pp. 1–4. [24] Advanced Micro Devices, Inc., “Vitis high-level synthesis user guide (ug1399),” Online PDF, 2023. [Online]. Available: https://docs.xilinx.com/r/en-US/ug1399-vitis-hls [25] European Telecommunications Standards Institute, “TS 138 104 - V16.4.0 - 5G; NR,” Online PDF, 2018. [Online]. Available: https://www.etsi.org/deliver/etsi_ts/138100_138199/138104/16.04.00_60/ts_138104v160400p.pdf | - |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/91246 | - |
| dc.description.abstract | 數位預失真技術（Digital Predistortion Technique）旨在改善功率放大器（Power Amplifier）之非線性特性，廣泛的應用於無線通訊系統當中，其概念是透過計算輸出的非線性失真，產生具有反向特性之預失真訊號以抵銷放大器之非線性特性，使輸出盡可能地接近輸入訊號。本論文使用FPGA搭配軟體定義無線電（Software-defined Radio, SDR）射頻（Radio Frequency, RF）模組實現數位預失真系統，並使用PetaLinux建置其作業系統，使其擁有多執行緒之作業能力並享有Linux之軟體生態系，擴張其應用場景。系統採用極座標型式之查找表預失真架構，硬體設計使用高階語言合成技術（High Level Synthesis, HLS）開發，並將線性插值（Linear Interpolation）、二次插值（Quadratic Interpolation）以及三次插值（Cubic Interpolation）演算法實踐於系統中。透過量測證明本論文系統能有效改善失真問題並擴展放大器之線性操作區域。 | zh_TW |
| dc.description.abstract | Digital Predistortion is one of the most wildly adopted techniques in wireless communication systems for improving the linearity of power amplifiers. The fundamental concept involves generating a predistorted signal to compensate the nonlinearity of the PA by calculating its inverse characteristic function. This work implements a DPD system using an FPGA with an SDR RF module, and deploys PetaLinux operating system, enabling it to possess multi-threading capabilities and access to Linux software ecosystem, thereby broadening its potential applications. This system utilized the LUT-based architecture with the polar predistorter and employs High-level synthesis for hardware design. Taking advantage of the development flexibility provided by HLS, this work implements three different interpolation algorithms in the system and compares the differences. Measurement results substantiate the efficacy of this system in mitigating distortion issues and extending the linear region of PA. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2023-12-12T16:23:14Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2023-12-12T16:23:14Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 誌謝 i
摘要 ii Abstract iii 目錄 iv 圖目錄 vii 表目錄 x 第一章 緒論 1 1.1 研究背景. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 論文架構. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 第二章 功率放大器與預失真技術 3 2.1 功率放大器概述. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1 輸出功率與增益. . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.2 效率. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1.3 線性度. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1.4 諧波失真. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1.5 交互調變失真. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1.6 AM/AM 與AM/PM 轉換特性. . . . . . . . . . . . . . . . . . . . 8 2.1.7 放大器記憶效應. . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.1.8 功率放大器模型. . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.1.8.1 Saleh 模型. . . . . . . . . . . . . . . . . . . . . . . . 11 2.1.8.2 多項式模型. . . . . . . . . . . . . . . . . . . . . . . 11 2.1.8.3 Volterra 模型. . . . . . . . . . . . . . . . . . . . . . 12 2.1.8.4 記憶多項式模型. . . . . . . . . . . . . . . . . . . . 12 2.1.8.5 通用記憶多項式模型. . . . . . . . . . . . . . . . . . 13 2.2 數位預失真技術. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.2.1 數位預失真技術基本概念. . . . . . . . . . . . . . . . . . . . . . 14 2.2.2 數位預失真基礎架構. . . . . . . . . . . . . . . . . . . . . . . . 15 2.2.3 自適應演算法. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.2.4 效能指標. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.2.4.1 NMSE . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.2.4.2 ACLR . . . . . . . . . . . . . . . . . . . . . . . . . . 17 第三章 數位預失真系統設計 19 3.1 系統架構. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.1.1 系統母版-Zedboard . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.1.2 系統射頻子版-AD-FMCOMMS3-EBZ . . . . . . . . . . . . . . . 21 3.2 系統設計流程. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.3 數位預失真運算實現. . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.3.1 線性插值. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.3.2 二次插值. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3.3.3 三次插值. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3.3.4 系統之Block Design . . . . . . . . . . . . . . . . . . . . . . . . . 33 3.4 作業系統. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3.4.1 PetaLinux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 3.4.2 作業系統建構方法與流程. . . . . . . . . . . . . . . . . . . . . . 37 第四章 系統操作與量測 40 4.1 量測環境. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 4.2 系統操作. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 4.3 量測結果. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4.4 討論. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 第五章 結論與未來展望 57 參考文獻 58 | - |
| dc.language.iso | zh_TW | - |
| dc.subject | 軟體定義無線電 | zh_TW |
| dc.subject | 插值演算法 | zh_TW |
| dc.subject | PetaLinux | zh_TW |
| dc.subject | 高階語言合成 | zh_TW |
| dc.subject | FPGA | zh_TW |
| dc.subject | 軟體定義無線電 | zh_TW |
| dc.subject | 數位預失真 | zh_TW |
| dc.subject | 插值演算法 | zh_TW |
| dc.subject | PetaLinux | zh_TW |
| dc.subject | 高階語言合成 | zh_TW |
| dc.subject | FPGA | zh_TW |
| dc.subject | 數位預失真 | zh_TW |
| dc.subject | Interpolation Algorithm | en |
| dc.subject | Digital Predistortion | en |
| dc.subject | Software-defined radio | en |
| dc.subject | FPGA | en |
| dc.subject | High-level Synthesis | en |
| dc.subject | Petalinux | en |
| dc.subject | Interpolation Algorithm | en |
| dc.subject | Digital Predistortion | en |
| dc.subject | Software-defined radio | en |
| dc.subject | FPGA | en |
| dc.subject | High-level Synthesis | en |
| dc.subject | Petalinux | en |
| dc.title | 基於FPGA之軟體定義無線電數位預失真系統與插值法效能評估 | zh_TW |
| dc.title | FPGA-Based Software-Defined Radio Digital Predistortion System and Interpolation Techniques Performance Evaluation | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 112-1 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 陳怡然;陳彥廷 | zh_TW |
| dc.contributor.oralexamcommittee | Yi-Jan Emery Chen;Yen-Ting Chen | en |
| dc.subject.keyword | 數位預失真,軟體定義無線電,FPGA,高階語言合成,PetaLinux,插值演算法, | zh_TW |
| dc.subject.keyword | Digital Predistortion,Software-defined radio,FPGA,High-level Synthesis,Petalinux,Interpolation Algorithm, | en |
| dc.relation.page | 61 | - |
| dc.identifier.doi | 10.6342/NTU202304303 | - |
| dc.rights.note | 未授權 | - |
| dc.date.accepted | 2023-10-13 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 工程科學及海洋工程學系 | - |
| 顯示於系所單位： | 工程科學及海洋工程學系 | |
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