本篇論文的主要研究是，針對最新的標準IEEE802.11p高速移動無線網路作分析，並且就現有已開放出來的草案協定與其設定所要達到的目

標，整理出一個IEEE802.11p實體層的概觀，然後根據原始的實體層系統設定，探討其系統的可行性及缺點。在對於IEEE802.11p系統有完整的瞭解之後，我們針對其缺點來修正，將其原始的OFDM架構加入Columnwise Complementary codes，期望能利用Columnwise Complementary codes克服通道衰減的能力，來改善原始IEEE802.11p系統面對高速移動時所造成的性能衰減。對於IEEE802.11p系統與Columnwise Complementary codes有足夠的認識之後，為了在符合IEEE802.11p標準的設定與使用Columnwise Complementary codes的條件下，將原本的OFDM與CDMA做適當的結合，我們提出一個新的CCC-OFDM系統架構。最後將我們提出的CCC-OFDM系統作分析，並且與原始使用OFDM的IEEE802.11p系統做比較，可以發現原始的IEEE802.11p系統在高速移動的通訊環境下，其性統效能非常糟糕，而我們提出的CCC-OFDM系統能有效地克服快速時變通道所造成的衰減，而且當車輛的移動速度越快時，也就是通道的變化變得很嚴重時，則兩個系統性能的差距會越來越大，CCC-OFDM系統的優點會更趨於明顯。

First, the introduction of IEEE 802.11p will be made. There are some issues of IEEE 802.11p under vehicular environment And its OFDM system suffers much loss in time-varying fading channel. To mitigate the performance degradation, we combine Columnwise Complementary Codes with IEEE 802.11p to resist the interference caused by high-speed mobile channel. Finally, we will show some simulation results of CCC-OFDM system compared with the original OFDM system working in the IEEE 802.11p environment.

1 導論 (第1頁)
2 車用無線網路IEEE802.11p的系統架構與探討 (第9頁)
3 選取合適Columnwise Complementary Code加入IEEE802.11p系統 (第37頁)
4 應用於車通訊的Columnwise Complementary Code-OFDM系統架構 (第49頁)
5 Columnwise Complementary Code-OFDM系統分析 (第77頁)
6 結論 (第107頁)
附錄A 星座點錯誤率分析 (第109頁)
附錄B 干擾項b的變異數直接求解 (第125頁)
參考文獻 (第126頁)
作者簡歷 (第127頁)

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