Efficient Downlink Scheduling With Power Boosting in Mobile IEEE 802.16 Networks

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Executive Summary

In current mobile Broadband Wireless Access (BWA) technologies, which are based on Orthogonal Frequency Division Multiple Access (OFDMA), terminals close to cell edge experience poor channel quality, due to severe path-loss and high interference from concurrent transmissions in nearby cells. To mitigate this problem the authors propose: to partition the set of sub-channels into chunks, which are assigned different power levels; the design of a data scheduling and allocation algorithm positioned in the Medium Access Control (MAC) layer of the Base Station (BS), exploiting such a partitioning.

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