基於 IEEE802.11ax 規格之軟體無線電實現與分析;Implementation and Analysis of Software Radio Based on IEEE802.11ax Specification

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Title:	基於 IEEE802.11ax 規格之軟體無線電實現與分析;Implementation and Analysis of Software Radio Based on IEEE802.11ax Specification
Authors:	藍方妤;LAN, FUNG-YU
Contributors:	通訊工程學系
Keywords:	IEEE802.11AX;正交分頻多工;空時分組編碼;多輸入多輸出;IEEE802.11AX;OFDMA;STBC;MIMO
Date:	2023-08-14
Issue Date:	2023-10-04 15:27:22 (UTC+8)
Publisher:	國立中央大學
Abstract:	近年來人們對網路的依賴，造成了網路與生活越來越緊密，WiFi 和行動網路也隨之推陳出新，因此對於 wifi 的研究與理解是很重要的！現今較為普及的新一代 Wi-Fi 為 Wi-Fi 6 也被稱作「5G Wi-Fi」，因為過去的 Wi-Fi 一般都是採用 2.4GHz 頻段，如今可以在更高的頻段 5GHz 運行，使得穩定度提高，OFDMA 也讓傳輸速率提升。此篇論文將著重研究 Wi-Fi 6，也就是 802.11ax 規格，來進行模擬完整的收發機，也會使用軟體定義無線電平台（SDR）分別做傳接收，來模擬在真實通道下訊號的完整解調過程，提供的最高天線數為四乘四，除了完整的系統模擬，本篇論文也將會探討傳送端是否有使用空時分組編碼（Space-time block code, 縮寫 i STBC）對於解調結果造成的影響。隨著人們對於無線通訊研究的積極投入，Wi-Fi 7 也即將於 2023 年問世，本篇論文也會簡易的介紹 Wi-Fi 7 與 Wi-Fi 6 的不同之處，以及主要的發展重點，期待今後的技術能夠有重大突破，再次帶領人們進入下個 Wi-Fi 世代。;In recent years, people’s dependence on the Internet has caused the Internet and life to become more and more closely connected, and WiFi and mobile networks have also been introduced. Therefore, the research and understanding of wifi is very important! The new generation of Wi-Fi that is more popular today is Wi-Fi 6, also known as ”5G Wi-Fi”, because in the past Wi-Fi generally used the 2.4GHz frequency band, but now it can operate at a higher frequency band of 5GHz, making The stability is improved, and Ofdma also increases the transmission rate. This paper will focus on the study of Wi-Fi 6, which is the 802.11ax specification, to simulate a complete transceiver. It will also use the software-defined radio platform (SDR) to perform transmission and reception separately, to simulate the complete solution of the signal in a real channel. During the tuning process, the maximum number of antennas provided is four times four. In addition to the complete system simulation, this paper will also discuss whether the use of space-time block codes (Space-time block code, abbreviated as STBC) at the transmitter has any impact on the demodulation results. Impact. With people’s active investment in wireless communication research, Wi-Fi 7 will come out in 2023. This paper will also briefly introduce the differences between Wi-Fi 7 and Wi-Fi 6, as well as the main development points. We look forward to major breakthroughs in future technologies that will once again lead people into the next Wi-Fi generation
Appears in Collections:	[Graduate Institute of Communication Engineering] Electronic Thesis & Dissertation

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