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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 闕志達(Tzi-Dar Chiueh) | |
dc.contributor.author | Hao-Ping Hsu | en |
dc.contributor.author | 許皓評 | zh_TW |
dc.date.accessioned | 2021-06-08T03:16:41Z | - |
dc.date.copyright | 2017-02-16 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2017-01-23 | |
dc.identifier.citation | [1] International Telecommunication Union [Online]. http://www.itu.int/en/ITU-D/Statistics/Pages/stat/default.aspx
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[14] S.Sesia et al., “LTE-The UMTS Long Term Evolution” Wiley, 2011. [15] J. Jeon, H. Niu, Q. Li, A. Papathanassiou and G. Wu, 'LTE with listen-before-talk in unlicensed spectrum,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2320-2324. [16] Y. Jian, C. F. Shih, B. Krishnaswamy and R. Sivakumar, 'Coexistence of Wi-Fi and LAA-LTE: Experimental evaluation, analysis and insights,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2325-2331. [17] A. K. Sadek, T. Kadous, K. Tang, H. Lee and M. Fan, 'Extending LTE to unlicensed band - Merit and coexistence,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2344-2349. [18] A. Mukherjee et al., 'System architecture and coexistence evaluation of licensed-assisted access LTE with IEEE 802.11,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2350-2355. [19] R. Zhang, M. Wang, L. X. Cai, Z. Zheng, X. Shen and L. L. Xie, 'LTE-unlicensed: the future of spectrum aggregation for cellular networks,' in IEEE Wireless Communications, vol. 22, no. 3, pp. 150-159, June 2015. [20] F. M. Abinader et al., 'Enabling the coexistence of LTE and Wi-Fi in unlicensed bands,' in IEEE Communications Magazine, vol. 52, no. 11, pp. 54-61, Nov. 2014. [21] R. Ratasuk et al., 'License-exempt LTE deployment in heterogeneous network,' 2012 International Symposium on Wireless Communication Systems (ISWCS), Paris, 2012, pp. 246-250. [22] R. Ratasuk, N. Mangalvedhe and A. Ghosh, 'LTE in unlicensed spectrum using licensed-assisted access,' 2014 IEEE Globecom Workshops (GC Wkshps), Austin, TX, 2014, pp. 746-751. [23] C. Chen, R. Ratasuk and A. Ghosh, 'Downlink Performance Analysis of LTE and WiFi Coexistence in Unlicensed Bands with a Simple Listen-Before-Talk Scheme,' 2015 IEEE 81st Vehicular Technology Conference (VTC Spring), Glasgow, 2015, pp. 1-5. [24] A. M. 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Petrova, 'Coexistence of pico- and femto-cellular LTE-unlicensed with legacy indoor Wi-Fi deployments,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2294-2300. [29] S. Sagari, I. Seskar and D. Raychaudhuri, 'Modeling the coexistence of LTE and WiFi heterogeneous networks in dense deployment scenarios,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2301-2306. [30] P. Xia, Z. Teng and J. Wu, 'How loud to talk and how hard to listen-before-talk in unlicensed LTE,' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2314-2319. [31] H. Song and X. Fang, 'A spectrum etiquette protocol and interference coordination for LTE in unlicensed bands (LTE-U),' 2015 IEEE International Conference on Communication Workshop (ICCW), London, 2015, pp. 2338-2343. [32] M. I. Rahman, A. Behravant, H. Koorapaty, J. Sachs and K. 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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/21032 | - |
dc.description.abstract | 本研究針對目前3GPP熱烈討論的研究項目:未授權頻帶之長期演進技術(LTE-Unlicensed, LTE-U)來做深入的研究,對於日漸稀少的頻譜資源來說此研究有其必要性,且對於跨系統的整合也是一種挑戰。論文中前兩章將會簡單介紹LTE-U其背景以及兩邊系統之規格參數,以及在軟體模擬之下會用到的Vienna Simulator模擬環境,讓讀者輕易了解其系統差異性;然而在第三章將會先行統整並且比較已知文獻中之作法,並且指出可以有全新不同的觀念來面對LTE-U場景之下的最大問題:跨系統的公平共存,並提出本論文的最大貢獻點:提出了“推測性傳輸”以及“時域干擾消除”等全新概念以及作法,此外我們也針對其運作場景做簡單之分析。接著本文分別在第四章以及第五章闡述傳送機以及接收機織架構以及作法。第四章主要為傳送機之設計以及實作結果。第五章則是本研究中用來分析關鍵技術:時域干擾消除之重點章節,我們會利用軟體模擬以及實際利用儀器接收真實訊號的方式來驗證其可行性,並且點出其適用條件。最終從軟體以及實驗的角度可以看到文中針對LTE-U提出新技術之創新性貢獻,期待可以為後續同樣出發點的研究開設出一個新的出發點。 | zh_TW |
dc.description.abstract | In this research, we target the latest discussed research topic: LTE-Unlicensed, also known as LTE-U, as our research goal. As the wireless communication resource such as licensed bandwidth becoming scarse due to larger and larger amount of users and mobile devices this research is soon vital and inevitable while combining between different successful wireless communication technologies may be a challenge. In the first two chapter of this thesis, we will cover the background and issue behind LTE-U and both system technologies will be introduced in a simple way. The simulation tool: Vienna LTE Simulator will be mentioned as introductory content as well. The third chapter will cover the existing solutions to LTE-U, analysis and comparison will also be discussed. Instead of traditional mothods, a completely groundbreaking new idea of making a fair coexistence between two existing but totally different technologies will be brought up, which is “Speculative Transmission” and “Time-Domain Interference Cancellation (TDIC)”. In addition, a simple scenario analysis is being held in chapter 3. In chapter 4, we will first come up with the LTE-U transmitter design and architecture, and providing some hardware implementation results. Then, in chapter 5, we will discuss the most important key technology: TDIC. Using both software simulations and true over-the-air signal verification, we will prove this technology is feasible and practical under certain limitation and scenario. This thesis points out a brand new idea that is never discussed or heard of, and we expect this research will serve as a guide for future reseach toward this field. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T03:16:41Z (GMT). No. of bitstreams: 1 ntu-106-R03943003-1.pdf: 6073300 bytes, checksum: 88b2ce916d411ccd075d0a1a0277479c (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 致謝 i
摘要 iii Abstract v 目錄 vii 圖目錄 ix 表目錄 xii 第一章 緒論 1 1.1 研究背景 1 1.2 研究動機 2 1.3 論文組織和貢獻 3 第二章 未授權頻帶之長期演進技術及相關標準介紹 4 2.1 未授權頻帶之長期演進技術 (LTE-Unlicensed, LTE-U)簡介 4 2.2 先聽後送機制 (Listen-Before-Talk) 5 2.3 WiFi封包格式介紹 6 2.4 LTE系統架構簡介 11 2.4.1 下行參考訊號 13 2.4.2 同步訊號 16 2.5通道模型介紹 18 2.6 Vienna LTE Simulator簡介 22 2.6.1 維也納LTE發射機架構 24 2.6.2 維也納LTE接收機架構 28 第三章 文獻回顧與新技術介紹 31 3.1 文獻回顧與已知方法探討 31 3.2 已知文獻小結 36 3.3 新技術介紹 – 推測性傳輸 37 3.4 LTE-U場景分析與提出系統介紹 39 3.4.1 場景分類 39 3.4.2 LTE-U傳送機與接收機設計流程 42 3.5 為何做時域干擾消除 43 第四章 LTE-U傳送機之架構及實現 45 4.1 WiFi封包偵測演算法與儀器不理想效應 45 4.2 LTE實體層傳送機硬體實現 51 第五章 LTE-U接收機架構及時域干擾消除 54 5.1 LTE-U系統接收機架構 54 5.2 模擬流程與參數設定 58 5.3 模擬結果 61 5.4 時域干擾消除技術實場測試及驗證 65 第六章 結論與未來展望 78 參考文獻 79 | |
dc.language.iso | zh-TW | |
dc.title | 未授權頻帶長期演進技術之推測性收發機設計與實現 | zh_TW |
dc.title | Design and Implementation of Speculative LTE-Unlicensed Transceiver | en |
dc.type | Thesis | |
dc.date.schoolyear | 105-1 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 蔡佩芸(Pei-Yun Tsai),賴以威(I-Wei Lai) | |
dc.subject.keyword | 未授權長期演進技術,推測性傳輸,時域干擾消除, | zh_TW |
dc.subject.keyword | LTE-U,Speculative Transmission,Time-Domain Interference Cancellation, | en |
dc.relation.page | 82 | |
dc.identifier.doi | 10.6342/NTU201700210 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2017-01-24 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 電子工程學研究所 | zh_TW |
顯示於系所單位: | 電子工程學研究所 |
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