 |
|
|
|
以作者查詢圖書館館藏 、以作者查詢臺灣博碩士 、以作者查詢全國書目 、勘誤回報 、線上人數：76 、訪客IP：18.189.171.188
姓名 湯千岳(Chien-Yueh Tang) 查詢紙本館藏 畢業系所 通訊工程學系 論文名稱 LTE 聚合未授權頻譜之資源平衡分配策略研究
(The Study of Resource Balanced Allocation Scheme on Aggregation of Unlicensed Spectrum in LTE)相關論文 檔案 [Endnote RIS 格式]
[相關文章]
[文章引用]
[完整記錄]
[館藏目錄]
[檢視]
- 本電子論文使用權限為同意立即開放。
- 已達開放權限電子全文僅授權使用者為學術研究之目的，進行個人非營利性質之檢索、閱讀、列印。
- 請遵守中華民國著作權法之相關規定，切勿任意重製、散佈、改作、轉貼、播送，以免觸法。
摘要(中) 近年來 LTE 用戶規模快速增加，加上行動影音服務的蓬勃發展，促使數據流量呈爆炸性成長，為了因應使用者大量的傳輸需求，3GPP於2008年提出LTE-Advanced ，使用載波聚合技術將多個LTE載波單元(Component Carrier，CC)聚合在一起，以實現最大的傳輸頻寬，有效提高傳輸速率。
雖然載波聚合能有效的提高傳輸速率，但現有授權頻譜的聚合使用仍然無法應付逐漸增長的傳輸量，因此 3GPP 便提出將載波聚合技術拓展至未授權頻譜 ( Unlicensed Band )，即為 LTE-U。本篇論文即是研究在LTE-U環境下，如何有效且彈性的分配授權頻譜及未授權頻譜資源，我們先根據 LTE或 LTE-U 用戶給予不同權重大小接著做初步排程，藉由此機制讓 LTE 用戶在初步排程時的競爭更有優勢，然後我們確認 GBR 用戶是否滿足傳輸需求，如果部分用戶未滿足時，則對特定用戶進行有條件的插隊與佔用程序機制，此佔用程序機制考慮到用戶類型、訊務類型以及佔用期間的吞吐量數值，並設置機制保護 Non-GBR 用戶以避免無法獲得傳輸的情況，我們期望這個機制允許用戶將損失降到最低，以換取用戶最大滿意度。
最後模擬顯示提出的演算法能夠彈性的分配資源，保障 LTE 用戶也有足夠資源，且相較於其他演算法更能有效提升整體用戶滿意度。摘要(英)
In recent years, LTE users have increased rapidly and the vigorous development of mobile audio & video services to promote explosive growth in network data traffic. In order to meet the user requirements, 3GPP proposed LTE-Advanced in 2008, using carrier aggregation technology to aggregate multiple LTE component carrier together to achieve the maximum transmission bandwidth, effectively improve the downlink transmission data rate. Although carrier aggregation can effectively increase the transmission rate, the use of existing licensed spectrum is still to cope with the increase in the amount of transmission. Therefore, the 3GPP has proposed to expand the carrier aggregation spectrum to unlicensed spectrum, LTE-U. This thesis is to study how effective and flexible allocation of licensed spectrum and unlicensed spectrum resources in LTE-U environment. In order to make the LTE user more
competitive we assign LTE and LTE-U users different weights and then test the initial schedule. Then we will determine whether the GBR (Guaranteed Bit Rate) user’s data rates satisfied their requirements. If the rates are unsatisfactory for some GBR users, we can determine the specific user conditional queue and occupation schedule. Next our proposed scheduling process will prioritize the user type, the type of service, and the throughput value during occupancy. This may result in lower transmission rates for non-GBR users, depending on the needs of the situation. Finally, the simulation shows that the proposed algorithm can allocate
resources flexibly to ensure that LTE users also have sufficient resources and are more effective than other algorithms to improve user satisfaction.關鍵字(中) ★ LTE-U
★ 未授權頻譜
★ 資源分配關鍵字(英) ★ LTE-Unlicensed
★ Unlicensed Spectrum
★ Resource Allocation論文目次 中文摘要 ·············································· I
英文摘要 ···············．······························ II
誌謝 ················································· III
目錄 ·················································· IV
圖目錄 ················································· VI
表目錄 ················································· IX
第一章 序論 ··········································· 1
1-1 前言 ··············································· 1
1-2 研究動機 ············································ 2
1-3 論文架構 ············································ 3
第二章 相關研究背景 ····································· 4
2-1 長期演進技術(LTE)介紹 ······························· 4
2-2 進階長期演進技術(LTE-Advanced)介紹 ·················· 13
2-3 LTE in unlicensed spectrum(LTE-U)介紹 ············· 16
2-4 封包排程演算法 ···································· 20
第三章 系統架構與資源分配演算法 ························ 24
3-1 系統架構 ··········································· 24
3-2 資源平衡分配演算法 ·································· 27 第四章 模擬與分析 ····································· 35
4-1 模擬環境與參數設定 ·································· 35
4-2 Traffic Model ····································· 37
4-3 模擬結果與分析 ····································· 39
第五章 結論與未來研究方向 ······························ 52
參考文獻 ··············································· 53參考文獻 [1] Ghosh, A., et al. “LTE-Advanced : next-generation wireless broadband
technology”, IEEE Wireless Communications, Vol. 17, no. 3, pp. 10-22, June
2010.
[2] Stefania Sesia, Issam Toufik, Matthew Baker, “LTE-The UMTS Long Term
Evolution : From Theory to practice”, ISBN: 978-0-470-66025-6, Wiley, 2011
[3]許亨仰, “邁向全IP/扁平化架構 LTE/SAE掀行動網路新革命”,
新通訊元件雜誌, 103 期，2009 年 9 月
[4]郭昱賢,林盈達, “LTE 架構、協定與效能”, 國立交通大學資訊工程系,
2011 年 9 月
[5] 3GPP TS 36.300, “Evolved Universal Terrestrial Radio Access (E-UTRA)
and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall
description; Stage 2”, version 10.4.0, June 2011.
[6] 3GPP TS 36.101, “Evolved Universal Terrestrial Radio Access (E-UTRA);
User Equipment (UE) radio transmission and reception”, version 10.3.0, June
2011.
[7] 3GPP TS 36.213 , “LTE ,Evolved Universal Terrestrial Radio Access
(E-UTRA), Physical layer procedures”, version 12.3.0 Release12 , Oct 2014.
[8]M. Kottkamp, A. Roessler, J. Schlienz , “LTE-Advanced Technology
Introduction White Paper”, Aug 2012.
[9] Jeanette Wannstrom, “LTE-Advanced”, 3GPP, Technologies, Keywords &
Acronyms”, June 2013.
[10] Rasmus Hellberg, “拓展網路覆蓋率/容量 LTE-A邁向未授權頻譜發展”,
新通訊元件雜誌，161 期, 2014 年 7 月
[11] Qualcomm, “LTE in Unlicensed Spectrum Research” , 2014.
[12] CableLabs, “Will Wi-Fi Have to Share the Waves” , May 2014.
[13] Qualcomm, “Extending the benefits of LTE Advanced to unlicensed
spectrum”, Apirl 2014.
[14] Devin Coldewey, “Freshly FCC-approved LTE-U wireless rolls out on
T-Mobile this spring” , Feb 2017.
[15]財團法人電信技術中心,張志鵬,陳志宇,王彥中,江亮均, “LTE-U與LAA
發展趨勢介紹”, 2015 年 10 月
[16] Qualcomm, “LTE-U Technology and Coexistence”, May 2015.
[17] Huda Adibah Mohd Ramli, et al. “Performance of Well Known Packet
Scheduling Algorithms in the Downlink 3GPP LTE System”, IEEE 9th
Malaysia International Conference on Communications, pp. 815-820, Dec.
2009.
[18] J. M. Holtzman, “Asymptotic analysis of proportional fair algorithm,” in
2001 12th IEEE International Symposium on Personal Indoor and Mobile Radio
Communications, vol. 2, pp. F–33, IEEE, Oct. 2001.
[19] M. Andrews, K. Kumaran, K. Ramanan, A. Stolyar, P. Whiting, and R.
Vijayakumar,“Providing quality of service over a shared wireless link,” IEEE
Communications magazine, vol. 39, no. 2, pp. 150–154, Feb. 2001
[20] Hung-Chin Jang, Yun-Jun Lee, “QoS-Constrained Resource Allocation Scheduling
for LTE Network”, Wireless and Pervasive Computing (ISWPC), 2013
International Symposium on, Nov. 2013. [21] 台灣word, “漏桶效應” , 2013 年 12 月
http://www.twword.com/wiki/%E6%BC%8F%E6%A1%B6%E6%95%88%E6
%87%89
[22] 3GPP TR 25.892, “Technical Specification Group Radio Access Network;
Feasibility Study for Orthogonal Frequency Division Multiplexing (OFDM) for
UTRAN enhancement”, version 6.0.0, June 2004.
[23] WiMAX Forum Application AWGN Working Group. “WiMAX System
Evaluation Methodology”, September 2007.
[24] 許亨仰, “NAS/MAC/PHY各司其職 LTE通訊協定預埋4G伏筆”,新通
訊元件雜誌 104期, 2009 年 10 月
[25]3GPP TS 36.211, “LTE; Evolved Universal Terrestrial Radio Access
(E-UTRA);Physical channels and modulation” , version 8.9.0 Release 8, Jan
2010.
[26] 林俊吉,施盈亘, “商用頻譜吃緊!LTE-U技術讓LTE可利用未授權頻段傳
輸” , 2015 年 5 月
[27] 蘇志偉,劉舒慈, “減輕核心網路流量負載 D2D/LTE-U成5G研究焦點” ,
新通訊元件雜誌 164期, 2014 年 10 月
[28] Matthew Baker, Alcatel-Lucent, ”LTE-Advanced Physical Layer” ,
Chairman 3GPP TSG RAN WG1, Dec 2009
[29]Wei Kuang Lai, Chang-Lung Tang, “Qos-Aware Packet Scheduler for LTE
Downlink Based on Packet Prediction Mechanism” , Department of Computer
Science and Engineering National Sun Yat-sen University Master Thesis , 2011.指導教授 吳中實(Jung-Shyr Wu) 審核日期 2017-7-24 推文 plurk
funp
live
udn
HD
myshare
netvibes
friend
youpush
delicious
baidu
網路書籤 Google bookmarks
del.icio.us
hemidemi
facebook
twitter
google
reddit