Dynamic Power Allocation for Mc-Cdma System Using Iterative Water Filling Algorithm (Iwfa)

Power control in Multi-Carrier Code Division Multiple Access (MCCDMA) based wireless cellular network is of great importance. The power allocation methodology to enhance the performance of the MCCDMA system by limiting interference noise is at the expense of signaling overhead due to sharing of Channel State Information (CSI). The distributed algorithms that manage the power level based on the user’s SINR requirements needs the complete knowledge of Channel State Information (CSI). Since the CSI is subjected to the errors because of the imperfect channel estimation/measurement due to the time varying nature of the channels, the distributed power control algorithm is not globally optimum.

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Resource Details

Provided by:
International Journal of Engineering and Science Invention (IJESI)
Topic:
Mobility
Format:
PDF
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