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題 名 | Adaptive Downlink MIMO Transmission Mode Selection for Next-Generation Mobile Cellular Ssytems |
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作 者 | Ho, Chung-Lien; Lee, Ta-Sung; Hsiao, Chang-Lung; Sheen, Wen-Ho; | 書刊名 | International Journal of Electrical Engineering |
卷 期 | 14:1 2007.02[民96.02] |
頁 次 | 頁21-31 |
分類號 | 448.84 |
關鍵詞 | Multi-input multi-output; MIMO; Adaptive modulation; Adaptive mode selection; |
語 文 | 英文(English) |
英文摘要 | Multi-input multi-output (MIMO) transmission with link adoption is one of the key enabling technologies for the next-generation wireless communications. Depending on the user’s channel conditions, different MIMO models are needed in order to maximize the performance improvement for the user. In this paper, a joint MIMO mode and modulation scheme selection is proposed to maximize spectral efficiency, under a given error probability. In addition, to reduce the feedback overhead, a simplified mode selection is developed by taking advantage of the channel characteristics. It is very high spectral efficiency is envisaged. The improvement on spectral efficiency of the proposed method is confirmed through simulation results. |
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