研究生: |
林怡君 I-Chun Lin |
---|---|
論文名稱: |
在RAN實施網路切片的排程框架 A Scheduling Framework for Enforcing Network Slicing on RAN |
指導教授: |
鄭瑞光
Ray-Guang Cheng |
口試委員: |
許獻聰
Shiann-tsong Sheu 黃琴雅 Chin-Ya Huang 王瑞堂 Ruei-Tang Wang |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2019 |
畢業學年度: | 107 |
語文別: | 英文 |
論文頁數: | 57 |
中文關鍵詞: | LTE 、MAC 排程器 、網路切片 |
外文關鍵詞: | LTE, MAC scheduler, network slicing |
相關次數: | 點閱:237 下載:0 |
分享至: |
查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
在現有OAI平台上,將排程器切分成pre-processor以及final scheduler兩塊模組,pre-processor提供讓使用者可自行決定的排程演算法,再由final scheduler將排程結果對應到實體層以完成傳輸。但由於目前OAI的scheduler在實現過程中並未留下文件,程式碼也還有許多錯誤。要將目前的排程器擴充成支援不同的協定切片技術仍有困難。因此本論文將先基於OAI開源平台,分析目前OAI排程器的架構,再明確地將pre-processor與scheduler兩模組之間的介面定義清楚,確認交換的資料內容與格式。根據切片所需要達成的軟硬體及動態資源分配的功能與目標,定義出可支援網路切片的完整介面,讓一個基地台可以支援不同服務功能切片進行優化。
On the existing OAI platform, the scheduler is divided into two modules: pre-processor and final scheduler. The pre-processor provides a scheduling algorithm that allows the user to determine the scheduling algorithm, and then the final scheduler maps the scheduling results to the physical layer to complete the transmission. Since the current OAI scheduler does not leave files in the implementation process, there are still many errors in the code. It is still difficult to expand the current scheduler to support network slicing techniques. Therefore, this paper will first analyze the architecture of the current OAI scheduler based on the OAI open-source platform, and then clearly define the interface between the pre-processor and the scheduler modules, and confirm the exchanged data content and format. According to the functions and objectives of software and hardware and dynamic resource allocation that need to be sliced, a complete interface that supports network slicing is defined, so that one base station can support different service function slices for optimization.
[1] Ericsson. (2017, Jan) “Evolving LTE to fit the 5G future,” [Online]. Available: https://www.ericsson.com/en/ericsson-technology-review/archive/2017/evolving-lte-to-fit-the-5g-future
[2] N. Nikaein, M. K. Marina, S. Manickam, A. Dawson, R. Knopp, and C. Bonnet, “Openairinterface: A flexible platform for 5g research,” ACM SIGCOMM Computer Communication Review, vol. 44, no. 5, pp. 33–38, 2014.
[3] R. Knopp, “OAI MAC/PHY interface description and scheduling architecture,” EURECOM Technical Document, Oct. 2017.
[4] 3GPP TS 36.321, “Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Control (MAC) protocol specification.” V10.10.0, July 2014.
[5] 3GPP TS 36.213, “Evolved Universal Terrestrial Radio Access (E-UTRA): Physical layer procedures,” V10.13.0, July 2015.
[6] Kokku, R., et al., "NVS: A Substrate for Virtualizing Wireless Resources in Cellular Networks." in IEEE/ACM Transactions on Networking, vol. 20, no.5, Oct. 2012, pp 1333-1346
[7] Alliance, N. J. N. g. m. n., white paper (2015). "5G white paper."
[8] Ordonez-Lucena, J., et al., "Network Slicing for 5G with SDN/NFV: Concepts, Architectures, and Challenges," in IEEE Communications Magazine, vol. 55, no. 5, May 2017, pp. 80-87.
[9] 3GPP TS 23.251 “Network Sharing: Architecture and functional description,” V14.0.0, March. 2017
[10] Ksentini, A. and N. Nikaein, " Toward Enforcing Network Slicing on RAN: Flexibility and Resources Abstraction," in IEEE Communications Magazine, vol. 55, no. 6, June 2017, pp. 102-108.