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Author: 許雅琪
Ya-Chi Hsu
Thesis Title: 5G通訊系統中mMTC、URLLC、eMBB混和情境下DRX機制的設計
Design of the DRX Mechanism in the 5G Communication System with the Mixed Scenarios of mMTC, URLLC, and eMBB
Advisor: 馮輝文
Huei-Wen Ferng
Committee: 林嘉慶
Jia-Chin Lin
周詩梵
Shih-Fan Chou
黃琴雅
Chin-Ya Huang
Degree: 碩士
Master
Department: 電資學院 - 資訊工程系
Department of Computer Science and Information Engineering
Thesis Publication Year: 2022
Graduation Academic Year: 110
Language: 中文
Pages: 39
Keywords (in Chinese): 不連續接收大規模機器通訊高可靠低延遲通訊增強型移動頻寬通訊
Keywords (in other languages): DRX, mMTC, URLLC, eMBB
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近年來,手機、穿戴式裝置已經是不可或缺的隨身物品,隨著無線網路的發展和基地台普及,5G 網路通訊是繼 4G LTE 之後的新一代行動網路,相較於 4GLTE 網路,5G 提升了性能、傳輸速度以及降低了通訊的延遲時間,不過在這些優點下面,伴隨著的是能源消耗的增加,所以能源議題引起了大家的重視。基於各種應用於無線網路的新興產業和網路服務 (直播、車載網路、物聯網等) 對於網路需求的不同,國際標準化組織 (3GPP) 定義了 5G 的三大應用場景 mMTC 、URLLC、eMBB,其中 mMTC 指大規模物聯網通訊、URLLC 指高可靠低延遲通訊、eMBB 指增強型移動寬頻通訊。除了上述三種單獨存在的場景,可能會有設備或網路服務同時存在兩種甚至三種互相混和的場景,但還沒有相關論文討論混和情境的不連續接收機制。本論文研究不同混和情境可能的的封包抵達情形,並提出在單一或各種不同混和場景的情況下,透過觀察 UE 的封包抵達時間,以此對混和場景分類,並且找出適合的睡眠時間,在符合延遲限制的同時達到省電的效果。


In recent years, mobile phones and wearable devices have become indispensable personal items. With the development of wireless networks and the popularization of base stations, 5G network communication is a new generation of mobile networks after 4G LTE. Network, 5G improves performance, transmission speed and reduces the delay time of communication, but these advantages are accompanied by an increase in energy consumption, so the energy issue has attracted everyone’s attention. Based on the different network requirements of various emerging industries and network services (live broadcast, in-vehicle network, Internet of Things, etc.) applied to wireless networks, the International Organization for Standardization (3GPP) has defined three major application scenarios of 5G: mMTC, URLLC, eMBB, where mMTC refers to large-scale IoT communication, URLLC refers to high-reliability and low-latency communication, and eMBB refers to enhanced mobile broadband communication. In addition to the above three separate scenarios, there may be two or even three mixed scenarios for devices or network services at the same time, but there is no relevant paper discussing the discontinuous reception mechanism in mixed scenarios. This paper studies the possible packet arrival situations in different hybrid scenarios, and proposes to classify the hybrid scenarios by observing the packet arrival time of the UE in the case of a single or various hybrid scenarios, and find out the appropriate sleep time. It can save power while complying with the delay limit.

論文指導教授推薦書 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i 考試委員審定書 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii 摘要 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv 誌謝 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v 目錄 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi 表目錄 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii 圖目錄 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii 第一章、簡介 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 第二章、相關研究 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 第三章、流量模型及 DRX 參數 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 流量模型 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 場景區分 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.3 DRX 和參數選擇 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 第四章、模擬與討論 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 第五章、結論 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 引用文獻 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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