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In OFDMA cellular system, in order to get high spectral efficiency, the fractional power control scheme is always used in the uplink, which fractionally compensates the pass loss to the serving cell. Meanwhile, the inter-cell interference is the dominating interference of the OFDMA cellular system, which greatly degrades performance of the cell edge user. In this paper, we propose a novel uplink power...
In OFDMA cellular system, the inter-cell interference is the dominating interference of the system, which greatly degrades the system performance, especially for the user at cell edge. The power control in uplink is an effective method to control the inter-cell interference. In this paper, we propose a modified uplink power control scheme utilizing the path loss difference between the serving cell...
The uplink power control is essentially important to the link performance and the system stability. By analyzing the SC-FDMA system's interference character, we view the SC-FDMA system as a modified OFDMA system with multichannel model, and accordingly propose a power control scheme composed of intra-cell and inter-cell power control based on the multi-channel model. Especially the Inter-cell power...
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