博碩士論文 101523042 詳細資訊




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姓名 龔純賢(Chun-hsien Kung)  查詢紙本館藏   畢業系所 通訊工程學系
論文名稱
(Performance Study of Machine Type Communication for IoT in LTE Network)
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摘要(中) 近年來無線寬頻網路技術成長相當快速,隨著3GPP Long Term Evolution (LTE)、LTE-Advanced 規格制定成熟,可提供更大的頻寬需求和品質,因此提升機器對機器(M2M)應用廣泛擴張和市場。M2M通訊技術在LTE-Advanced的環境中仍有許多問題挑戰,其中無線資源分配(Radio Resource Allocation)是一個重要議題。
  於本篇的論文中我們著重於M2M通訊在LTE和LTE-Advanced 系統的上行鏈路中如何進行無線資源分配,針對M2M在LTE和LTE-Advanced環境中的大量設備特性提出了一個新的動態分組方法,利用動態分組方式提升基地台(eNodeB,eNB)管理和資源分配便利性,並且針對目前提Buffer Status Report (BSR)條件做新的調整來降低因大量設備提出BSR需求會導致信令開銷等衍生問題。由於不同群組內設備的modulation and coding scheme (MCS)狀況不同,因此提出一套針對每個群組的權重計算方式,藉此找出最高優先權群組優先分配RB,且會選擇對群組內設備比較好的MCS來做資源分配。
  最後我們將會透過模擬的方式來驗證所提出來的動態分組方法能夠有效提高系統吞吐量和降低信令開銷,且發現動態分組方式能降低因延遲而丟棄封包機率,因此可知動態分組方式能使基地台便利管理M2M通訊中設備並且有效分配無線資源。
摘要(英) In recent years, the growth of wireless broadband network technology is quite fast. The specifications of 3GPP Long Term Evolution (LTE) and LTE-Advanced have been developed and their techniques are becoming mature to provide higher bandwidth. This progress will enhance the machine-to-machine (M2M) applications and markets a wide range of expansion. M2M communication technology in the LTE-Advanced environment has many challenges, where the Radio Resource Allocation is the critical one among them.

  In this thesis we focus on the radio resource allocation for uplink in LTE networks when dealing with machine-to-machine communications.We propose a new dynamic grouping method to solve the resource allocation and signaling issues of large number of M2M devices in LTE networks. In the proposed scheme, we dynamically adjust the condition in UE to issue BSR so that the signaling overhead can be reduced. AS the devices in each group have different modulation and coding scheme situation, we propose a weight calculation method of each group to find the highest priority group has first priority be allocated the RB with best MCS level.
  
  Finally, we validate our method through exhaustive simulations. The simulation results show that the proposed dynamic grouping method can effectively improve system throughput and reduce signaling overhead. It also illustrates that the proposed method can reduce the packet dropping probability due to the consideration of packet delay in the proposed scheme. Thus the proposed dynamic grouping scheme together with the associated resource allocation enables the base station to manage M2M communications in LTE networks.
關鍵字(中) ★ LTE
★ LTE-Advanced
★ M2M
★ 無線資源分配
關鍵字(英) ★ LTE
★ LTE-Advanced
★ M2M
★ Resource allocation
論文目次 摘要 IV
Abstract V
誌謝 VI
目錄 VII
圖目錄 IX
表目錄 XI
第一章 緒論 1
1.1研究背景 1
1.2研究動機與目的 2
1.3章節概要 3
第二章 相關背景研究 4
2.1 LTE 無線網路基本介紹 4
2.1.1 LTE 系統架構 4
2.1.2 LTE Protocol 架構 6
2.2 LTE Frame 架構 7
2.2.1 Resource Block 9
2.3 LTE MAC 11
2.4 Buffer Status Reporting 12
2.5 Machine-to-Machine(M2M)基本介紹 13
2.6 相關文獻 14
第三章 研究方法 20
3.1系統架構 20
3.2 動態分組方法 21
3.3提出BSR需求門檻 31
3.4基地台分配資源給每個群組 32
3.5 群組內部使用資源 36
第四章 模擬環境與結果分析 37
4.1 模擬環境 37
4.2 Traffic Model 介紹 38
4.3 模擬結果分析 39
4.3.1 數據分析一 39
4.3.2 數據分析二 45
4.3.3數據分析三 50
4.3.4 數據分析四 54
4.3.5 數據分析五 59
第五章 結論 65
參考文獻 66
參考文獻 [1]3GPP TR 23.888. V2.0.0, System improvements for Machine-Type Communications (MTC), Sep 2012
[2] 3GPP TS 23.401 V12.0.0, General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access, 2013
[3] 3GPP TS 36.300. V12.0.0, Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2, Jan 2014
[4] 3GPP TS 23.401 V12.0.0, General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access, 2013
[5] Anritsu Company ,”LTE Resource Guide,” http://web.cecs.pdx.edu/~fli/class/LTE_Reource_Guide.pdf , pp.6-8,2009
[6] 3GPP TS 36.211 V12.0.0, Evolved Universal Terrestrial Radio Access (E-UTRA),Physical Channels and Modulation,2013
[7]3GPP Std. TS 36.101. Access, Evolved Universal Terrestrial Radio. "User Equipment (UE) radio transmission and reception,” Jan 2014
[8] 3GPP TS 36.321 V12.0.0, Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification, Jan 2014
[9]Zheng, Kan, et al. "Radio resource allocation in LTE-advanced cellular networks with M2M communications." Communications Magazine, IEEE 50.7 (2012): 184-192.
[10]3GPP TR 23.887 V1.2.0, Machine-Type and other Mobile Data Applications Communications Enhancements,2013
[11] Gotsis, Antonis G., Athanasios S. Lioumpas, and Angeliki Alexiou. "M2M scheduling over LTE: Challenges and new perspectives." Vehicular Technology Magazine, IEEE 7.3 (2012): 34-39.
[12] “Machine-to-machine (M2M), The rise of the machines,” Juniper Networks
White Paper, 2011.
[13] Brown, Jason, and Jamil Y. Khan. "Predictive resource allocation in the LTE uplink for event based M2M applications." Communications Workshops (ICC), 2013 IEEE International Conference on. IEEE, (2013) : 95-100.
[14] Lioumpas, Athanasios S., and Angeliki Alexiou. "Uplink scheduling for machine-to-machine communications in LTE-based cellular systems." GLOBECOM Workshops (GC Wkshps), 2011 IEEE. IEEE, (2011) : 353-357.
[15] Lien, Shao-Yu, Kwang-Cheng Chen, and Yonghua Lin. "Toward ubiquitous massive accesses in 3GPP machine-to-machine communications." Communications Magazine, IEEE 49.4 (2011): 66-74.
[16] Kessab Achraf, Kaddour Fatima Zohra, Vivier Emmanuelle, Mroueh Lina, Pischella Mylene, and Martins Philippe. “Gain of multi-resource block allocation and tuning in the uplink of LTE networks.” Wireless Communication Systems (ISWCS), 2012 International Symposium on. IEEE, (2012) : 321-325.
[17] Zhao Qiyong,” Future smartphone solution White Paper,” PP. 5-15,2012-09-17
[18] 3GPP TR 36.888 V12.0.0 , Study on provision of low-cost Machine-Type Communications (MTC) User Equipments (UEs) based on LTE, June 2013
指導教授 陳彥文(Yen-wen Chen) 審核日期 2014-8-19
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