Distributed Resource Allocation for the Downlink of Multi-user Multi-cell MISO Cellular System
| Autor: | Chun-YenLiu, 劉君彥 |
|---|---|
| Rok vydání: | 2012 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 100 In order to increase spectrum efficiency, the resource allocation mechanism of OFDMA system reuses every subcarrier to the best of its ability, which means the same subcarrier would be applied to multi-cell and multi-user. The situations will cause the interferences between the users which were using the same subcarrier. To decrease the interferences effectively is one of the important issues in the thesis. A technology with MISO(multi input single output) to decrease the interferences between users effectively in multi-cell multi-user downlink system had been proposed in the thesis. The system emphasizes how the distributed operations work at the base stations, which means there are no information exchanges between the base stations. Since under multi-cell and multi-user environment, the capacity of cell-edged users reduce conspicuously because of the interferences. Hence, the thesis proposed the idea of power control and user selection under distributed system to increase the information capacity of cell-edged users and to elevate the fairness of the users’ information capacity. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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