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題 名 | Importance Sampling Techniques for Estimating the Bit Error Rate in Digital Communication Systems=估計數位傳輸系統上的位元錯誤率之重點抽樣技術 |
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作 者 | 桑慧敏; 邱文琪; 劉信龍; | 書刊名 | 工業工程學刊 |
卷 期 | 27:1 2010.01[民99.01] |
頁 次 | 頁1-14 |
分類號 | 494.56 |
關鍵詞 | 位元錯誤率; 蒙地卡羅模擬; 重點抽樣; 尾端分配; Bit error rate; Monte Carlo simulation; Importance sampling; Tailed distribution; |
語 文 | 英文(English) |
英文摘要 | We are interested in estimating the bit error rate (BER) for signal transmission in digital communication systems. Since BERs tend to be extremely small, it is difficult to obtain precise estimators based on the use of crude Monte Carlo simulation techniques. In this article, we review, expand upon, and evaluate a number of importance sampling variance reduction techniques for estimating the BER. We find that a mixture of certain ‘‘tailed’’ distributions with a uniform distribution produce estimators that are at least competitive with those in the literature. Our comparisons are based on analytical calculations and lay the groundwork for the evaluation of more-general mixture distributions. |
本系統中英文摘要資訊取自各篇刊載內容。