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頁籤選單縮合
題 名 | 在蜂巢式分碼多重進接系統中逆向鏈路同細胞干擾的分析=Analysis of Reverse Link Same-Cell Interference in a Cellular CDMA System |
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作 者 | 邱哲盛; 湯凱安; | 書刊名 | 電信研究 |
卷 期 | 32:1 2002.02[民91.02] |
頁 次 | 頁101-108 |
分類號 | 448.8 |
關鍵詞 | 分碼多重進接; 逆向鏈路; 同細胞干擾; Code division multiple access; Reverse link; Same-cell interference; |
語 文 | 中文(Chinese) |
中文摘要 | 在一個分碼多重進接(CDMA)系統中,所有使用者的能量(energy)在同一時間佔據相同的頻寬,因此其干擾源包含了整個區域。近年來有許多論文和實測報告相繼在探討分碼多重進接系統中的干擾(interference),藉以更準確的估計出系統容量(capacity)。本文旨在研究分碼多重進接系統中逆向鏈路(reverse link)同細胞(same-cell)干擾的組成成分。對一特定用戶,透過數學分析及適當的系統模型,我們求出此用戶被一給定細胞控制的機率,並利用此結果求出同細胞干擾在不同傳播環境下的平均值及各成分所佔的比例。 |
英文摘要 | In a CDMA system, energy from all users occupies the same bandwidth at the same time. Therefore, each user is considered as an interference source to the other users. Recently, there are a lot of papers and test reports discussing about the interference in a CDMA system for the purpose of estimating the system capacity more precisely. In this paper, the interference in the reverse link within the same cell is studied. According to the mathematical analysis and proper system model, the probability that describes the user controlled by one given cell is drawn. Base on the result, both the average value of the same-cell interference and the percentages of each interference component are obtained in the different propagation environments. |
本系統中英文摘要資訊取自各篇刊載內容。