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來源資料
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題名 | Performance Analysis of Hidden Preamble Detector in the Frequency Hopped Multiple Access Communication Environment=隱藏式前置檢測器於跳頻多工進接通信環境中之性能分析 |
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作者姓名(中文) | 孫伯斗; 朱致遠; | 書刊名 | 逢甲學報 |
卷期 | 29 1996.06[民85.06] |
頁次 | 頁233-245 |
分類號 | 448.6 |
關鍵詞 | 隱藏式前置檢測器; 跳頻多工進接; Hidden preamble detector; Frequency hopped multiple access; |
語文 | 英文(English) |
中文摘要 | 跳頻多工進接通信環境包含多工進接干擾,多路徑衰減及背景(熱)雜訊,利用平 均搜尋時間上限之法則,以簡化多用戶通信狀況下隱藏式前置檢測器性能之模擬。模擬參 數包含訊號雜訊比、跳頻速率、搜尋機率、接收訊號鏡射項與散射頸之相對強度、前置頻 率脈波數、射頻與中頻路徑數及每一跳頻頻率在跳頻週期中之出現次數。模擬結果與主動 關聯器及匹配濾波器進行比較,証明隱藏式前置檢測器之搜尋速度幾乎可與匹配濾波器一 樣快。 |
英文摘要 | The multiple access environment of frequency hopped communication contains multiple access interference, multipath fading and background (thermal) noise. An upper bound on mean acquisition time is provided to simplify the performance simulation of hidden preamble detector in the multi-user condition. The simulation parameters related to the performance include the signal to nosie ratio, hopping rate, probability of acquisition, relative strength of specular and scatter components of the received signals, number of pulses of preamble frequency, number of RF-IF branches, and the times of appearance of a frequency in one hopping period. The results are also compared with active correlator and matched filter. It shows hidden preamble detector has the acquisition speed that is nearly as faster as matched filter. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。