- 期刊
MIMO MC-CDMA系統中基於選擇性映射(SLM)降低峰均功率比
PAPR Reduction in MIMO MC-CDMA System Based on SLM
摘要
本研究提出了將選擇影射法應用於空域複用MIMOMC-CDMA系統降低峰均功率比。同時針對傳統的選擇影射法需傳輸的邊帶資訊大的缺陷，提出將一種改進的SLM技術應用於系統中的方法。並對應用SLM前後系統發射端和接收端的性能進行了理論上的分析和仿真比較。理論分析和仿真結果表明：在發射端，應用SLM後降低了系統的峰均功率比，並且隨著向量個數的增加峰均功率比性能會進一步改善；在接收端，SLM對系統的BER有一定的影響，而改進的SLM對系統的BER影響極小。
並列摘要
A method of peak-to-average power ratio (PAPR) reduction in the space division multiplexing MIMO MCCDMA system using Selected Mapping (SLM) technique is presented in this paper. Moreover, in order to reduce number of side information, a novel improvement SLM approach on the system is also presented in this paper. A comparison of the difference of the transmitter and receiver performance between with SLM and without SLM in terms of theory and simulation indicates that the average PAPR can be lowered with the novel improvement SLM approach besides with the increase in the number of vector PAR the performance will be further improved in the transmitter; and the influence to a certain degree of BER is less than without the novel improvement SLM approach in the receiver.
延伸閱讀
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- 洪志宇（2014）。PAPR Reduction in SC-FDMA Systems by Using Modified SLM and PTS Schemes〔碩士論文，國立臺北科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0006-0608201415363100